ci: Use catchsegv catching stacktraces

Seems better than patching backtrace() calls into
our test binaries.

.gitlab-ci.yml

@@ -16,11 +16,11 @@ stages:
 
 # Common variables
 variables:
-  COMMON_MESON_FLAGS: "--fatal-meson-warnings --werror"
-  BACKEND_FLAGS: "-Dx11-backend=true -Dwayland-backend=true -Dbroadway-backend=true -Dvulkan=yes"
-  FEATURE_FLAGS: "-Dcloudproviders=true"
+  COMMON_MESON_FLAGS: "--fatal-meson-warnings -Dgtk:werror=true"
+  BACKEND_FLAGS: "-Dx11-backend=true -Dwayland-backend=true -Dbroadway-backend=true"
+  FEATURE_FLAGS: "-Dvulkan=enabled -Dcloudproviders=enabled"
   MESON_TEST_TIMEOUT_MULTIPLIER: 3
-  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v20"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v22"
   FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
   DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora-docs:v19"
 
@@ -68,11 +68,13 @@ style-check-diff:
 fedora-x86_64:
   extends: .build-fedora-default
   stage: build
+  needs: []
   variables:
     EXTRA_MESON_FLAGS: "--buildtype=debug --default-library=both"
   script:
+    - meson subprojects update
     - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
-            -Dprofiler=true
+            -Dsysprof=enabled
             _build
     - ninja -C _build
     - .gitlab-ci/run-tests.sh _build x11
@@ -82,14 +84,38 @@ fedora-x86_64:
 release-build:
   extends: .build-fedora-default
   stage: build
+  needs: []
   variables:
     EXTRA_MESON_FLAGS: "--buildtype=release"
   script:
+    - meson subprojects update
     - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
             _build
     - ninja -C _build
     - .gitlab-ci/run-tests.sh _build x11
 
+installed-tests:
+  extends: .build-fedora-default
+  stage: build
+  needs: []
+  variables:
+    EXTRA_MESON_FLAGS: "--prefix=/usr --libdir=/usr/lib64 -Dinstall-tests=true"
+  script:
+    - meson subprojects update
+    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
+            _build
+    - ninja -C _build
+    - sudo ninja -C _build install
+    - dbus-run-session xvfb-run -a -s "-screen 0 1024x768x24"
+            gnome-desktop-testing-runner
+                   --report-directory=_build/installed-tests-report/failed/
+                   --parallel=0
+                   gtk-4.0
+  artifacts:
+    paths:
+      - "_build/installed-tests-report/"
+
+
 .mingw-defaults:
   stage: build
   tags:
@@ -109,6 +135,7 @@ release-build:
 
 msys2-mingw64:
   extends: .mingw-defaults
+  needs: []
   variables:
     MSYSTEM: "MINGW64"
     CHERE_INVOKING: "yes"
@@ -139,37 +166,44 @@ msys2-mingw64:
 
 flatpak-manual:demo:
   extends: .flatpak-manual
+  needs: []
   variables:
     APPID: org.gtk.Demo4
 
 flatpak-master:demo:
   extends: .flatpak-master
+  needs: []
   variables:
     APPID: org.gtk.Demo4
 
 flatpak-manual:widget-factory:
   extends: .flatpak-manual
+  needs: []
   variables:
     APPID: org.gtk.WidgetFactory4
 
 flatpak-master:widget-factory:
   extends: .flatpak-master
+  needs: []
   variables:
     APPID: org.gtk.WidgetFactory4
 
 flatpak-manual:icon-browser:
   extends: .flatpak-manual
+  needs: []
   variables:
     APPID: org.gtk.IconBrowser4
 
 flatpak-master:icon-browser:
   extends: .flatpak-master
+  needs: []
   variables:
     APPID: org.gtk.IconBrowser4
 
 static-scan:
   image: $FEDORA_IMAGE
   stage: analysis
+  needs: []
   variables:
     EXTRA_MESON_FLAGS: "--buildtype=debug"
   script:
@@ -184,8 +218,9 @@ static-scan:
 # since it is incompatible with asan
 asan-build:
   image: $FEDORA_IMAGE
-  tags: [ privileged ]
+  tags: [ asan ]
   stage: analysis
+  needs: []
   variables:
   script:
     - CC=clang meson --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=false _build
@@ -199,6 +234,7 @@ asan-build:
 reference:
   image: $DOCS_IMAGE
   stage: docs
+  needs: []
   variables:
     EXTRA_MESON_FLAGS: "--buildtype=release"
   script:
@@ -214,6 +250,7 @@ reference:
 
 pages:
   stage: deploy
+  needs: ['reference']
   script:
     - mv _reference/ public/
   artifacts:

.gitlab-ci/fedora-base.Dockerfile

@@ -29,6 +29,7 @@ RUN dnf -y install \
     glib2-static \
     glibc-devel \
     glibc-headers \
+    gnome-desktop-testing \
     gobject-introspection-devel \
     graphene-devel \
     gstreamer1-devel \
@@ -75,7 +76,6 @@ RUN dnf -y install \
     python3-wheel \
     redhat-rpm-config \
     sassc \
-    sysprof-devel \
     systemtap-sdt-devel \
     vulkan-devel \
     wayland-devel \

.gitlab-ci/fedora.Dockerfile

@@ -1,8 +1,11 @@
-FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v20
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v21
+
+# Enable sudo for wheel users
+RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers
 
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
-RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+RUN useradd -u $HOST_USER_ID -G wheel -ms /bin/bash user
 
 USER user
 WORKDIR /home/user

.gitlab-ci/run-tests.sh

@@ -12,13 +12,13 @@ export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp
 
 case "${backend}" in
   x11)
-    xvfb-run -a -s "-screen 0 1024x768x24" \
+    xvfb-run -a -s "-screen 0 1024x768x24 -noreset" \
           meson test -C ${builddir} \
                 --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
+                --wrap catchsegv \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-broadway
 
     # Store the exit code for the CI run, but always
@@ -37,8 +37,8 @@ case "${backend}" in
                 --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
+                --wrap catchsegv \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-broadway
 
     exit_code=$?
@@ -56,8 +56,8 @@ case "${backend}" in
                 --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                 --print-errorlogs \
                 --setup=${backend} \
+                --wrap catchsegv \
                 --suite=gtk \
-                --no-suite=gtk:a11y \
                 --no-suite=gsk-compare-opengl
 
     # don't let Broadway failures fail the run, for now

.gitlab-ci/test-msys2.sh

@@ -33,17 +33,29 @@ pacman --noconfirm -S --needed \
     mingw-w64-$MSYS2_ARCH-gst-plugins-bad \
     mingw-w64-$MSYS2_ARCH-shared-mime-info
 
-# https://gitlab.gnome.org/GNOME/gtk/issues/2243
-wget "https://gitlab.gnome.org/creiter/gitlab-ci-win32-runner-v2/raw/master/pango/mingw-w64-$MSYS2_ARCH-pango-git-1.44.7.90.ge48ae523-1-any.pkg.tar.zst"
-pacman --noconfirm -U "mingw-w64-$MSYS2_ARCH-pango-git-1.44.7.90.ge48ae523-1-any.pkg.tar.zst"
-
-# https://github.com/msys2/MINGW-packages/pull/6465
-pacman --noconfirm -S --needed mingw-w64-$MSYS2_ARCH-brotli
-
 mkdir -p _ccache
 export CCACHE_BASEDIR="$(pwd)"
 export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 
+# https://gitlab.gnome.org/GNOME/gtk/-/issues/2243
+# https://gitlab.gnome.org/GNOME/gtk/-/issues/3002
+
+if ! pkg-config --atleast-version=2.65.0 glib-2.0; then
+    git clone https://gitlab.gnome.org/GNOME/glib.git _glib
+    meson setup _glib_build _glib
+    meson compile -C _glib_build
+    meson install -C _glib_build
+fi
+pkg-config --modversion glib-2.0
+
+if ! pkg-config --atleast-version=1.45.4 pango; then
+    git clone https://gitlab.gnome.org/GNOME/pango.git _pango
+    meson setup _pango_build _pango
+    meson compile -C _pango_build
+    meson install -C _pango_build
+fi
+pkg-config --modversion pango
+
 # Build
 ccache --zero-stats
 ccache --show-stats
@@ -54,9 +66,9 @@ meson \
     -Dx11-backend=false \
     -Dwayland-backend=false \
     -Dwin32-backend=true \
-    -Dvulkan=no \
+    -Dvulkan=disabled \
     -Dintrospection=false \
-    --werror \
+    -Dgtk:werror=true \
     _build
 unset CCACHE_DISABLE
 

NEWS

@@ -1,7 +1,54 @@
+Overview of Changes in GTK 3.99.1
+=================================
+
+* GtkGridLayout: Rename left-/top-attach to column/row
+
+* Drop GtkAccelLabel - it is no longer used
+
+* GtkTextView:
+ - Fix redraw issues with selections
+ - Make insert-emoji replace the selection
+
+* GtkTreeView:
+ - Fix selection handling in cell editables
+
+* CSS:
+ - Hexadecimal colors can now specify alpha
+
+* Documentation:
+ - Refresh the widget gallery
+ - Add images for new widgets to the gallery
+ - Fix many cross-references
+
+* Demos:
+ - Numerous crash- and bug fixes
+
+* Fix build with cups < 2.3
+
+* win32:
+ - Default to the GL renderer when we can
+
+* Translation updates:
+  Catalan
+  Polish
+  Romanian
+  Spanish
+  Ukrainian
+
+
 Overview of Changes in GTK 3.99.0
 =================================
 
-* Add GtkEditableLabel
+* Remove the old accessibility implementation and
+  add the foundations for a new one that is based
+  on ARIA. The relevant widget api is GtkAccessible,
+  the backend implementations will use GtkATContext.
+  Currently, there is just a nascent test backend.
+
+* Update the GTK headers to use char *, int, float and
+  double instead of the corresponding GLib types.
+
+* Add GtkEditableLabel, a label that can be edited
 
 * Add GtkBookmarkList, a list model for bookmarks
 
@@ -35,6 +82,15 @@ Overview of Changes in GTK 3.99.0
 
 * GtkFilterListModel:
  - Add incremental filtering
+ - Add a boolean filter, GtkBoolFilter
+
+* GtkSortListModel:
+ - Use timsort
+ - Add various tweaks that massively speed up sorting
+ - Add incremental sorting
+
+* GtkWidget:
+ - Massively speed up action handling
 
 * GtkEntry:
  - Make entry completion work again
@@ -43,12 +99,18 @@ Overview of Changes in GTK 3.99.0
 * Inspector:
  - Improve list model support
  - Add direct navigation between objects
+ - Show accessibility information
 
 * GDK:
  - Compress scroll events
  - Keep a scroll history
  - Clean up GdkDevice api
+ - Drop the master/slave device split
+ - Move axes to GdkDeviceTool
+ - Change monitor workarea to be per-backend API
  - Improve frame clock accuracy
+ - Add a new macOS backend
+ - Add an ANGLE-based GLES renderer for Windows
 
 * GSK:
  - Use GL_ARB_framebuffer_object

README.md

@@ -56,7 +56,6 @@ building for:
   - [Pango](https://download.gnome.org/sources/pango)
   - [Epoxy](https://github.com/anholt/libepoxy)
   - [Graphene](https://github.com/ebassi/graphene)
-  - [ATK](https://download.gnome.org/sources/atk)
   - [Xkb-common](https://github.com/xkbcommon/libxkbcommon)
 
 If you are building the X11 backend, you will also need:
@@ -70,7 +69,6 @@ If you are building the X11 backend, you will also need:
     - xcursor
     - xdamage
     - xcomposite
-  - [atk-bridge-2.0](https://download.gnome.org/sources/at-spi2-atk)
 
 If you are building the Wayland backend, you will also need:
 

build-aux/flatpak/org.gtk.Demo4.json

@@ -1,29 +1,38 @@
 {
-    "app-id": "org.gtk.Demo4",
-    "runtime": "org.gnome.Platform",
-    "runtime-version": "master",
-    "sdk": "org.gnome.Sdk",
-    "command": "gtk4-demo",
-    "tags": ["devel", "development", "nightly"],
-    "desktop-file-name-prefix": "(Development) ",
-    "finish-args": [
+    "app-id" : "org.gtk.Demo4",
+    "runtime" : "org.gnome.Platform",
+    "runtime-version" : "master",
+    "sdk" : "org.gnome.Sdk",
+    "command" : "gtk4-demo",
+    "tags" : [
+        "devel",
+        "development",
+        "nightly"
+    ],
+    "desktop-file-name-prefix" : "(Development) ",
+    "finish-args" : [
         "--device=dri",
         "--share=ipc",
         "--socket=fallback-x11",
         "--socket=wayland",
-        "--talk-name=org.gtk.vfs", "--talk-name=org.gtk.vfs.*"
+        "--talk-name=org.gtk.vfs",
+        "--talk-name=org.gtk.vfs.*"
     ],
-    "cleanup": [
+    "cleanup" : [
         "/include",
-        "/lib/pkgconfig", "/share/pkgconfig",
+        "/lib/pkgconfig",
+        "/share/pkgconfig",
         "/share/aclocal",
-        "/man", "/share/man", "/share/gtk-doc",
-        "*.la", ".a",
+        "/man",
+        "/share/man",
+        "/share/gtk-doc",
+        "*.la",
+        ".a",
         "/lib/girepository-1.0",
         "/share/gir-1.0",
         "/share/doc"
     ],
-    "modules": [
+    "modules" : [
         {
             "name" : "wayland",
             "buildsystem" : "autotools",
@@ -39,18 +48,18 @@
             ]
         },
         {
-            "name": "graphene",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
+            "name" : "graphene",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
                 "--libdir=/app/lib",
                 "-Dtests=false",
                 "-Dbenchmarks=false"
             ],
-            "sources": [
+            "sources" : [
                 {
-                    "type": "git",
-                    "url": "https://github.com/ebassi/graphene.git"
+                    "type" : "git",
+                    "url" : "https://github.com/ebassi/graphene.git"
                 }
             ]
         },
@@ -58,7 +67,7 @@
             "name" : "libsass",
             "buildsystem" : "meson",
             "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                 "--libdir=/app/lib"
             ],
             "sources" : [
@@ -73,7 +82,7 @@
             "name" : "sassc",
             "buildsystem" : "meson",
             "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                 "--libdir=/app/lib"
             ],
             "sources" : [
@@ -85,18 +94,25 @@
             ]
         },
         {
-            "name": "gtk",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
-                "--libdir=/app/lib"
+            "name" : "gtk",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
+                "--libdir=/app/lib",
+                "-Denable_vulkan=no",
+                "-Dbuildtype=debugoptimized"
             ],
-            "sources": [
+            "sources" : [
                 {
-                    "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/gtk.git"
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                 }
             ]
         }
-    ]
+    ],
+    "build-options" : {
+        "env" : {
+            "GSK_RENDERER" : "opengl"
+        }
+    }
 }

build-aux/flatpak/org.gtk.IconBrowser4.json

@@ -1,29 +1,38 @@
 {
-    "app-id": "org.gtk.IconBrowser4",
-    "runtime": "org.gnome.Platform",
-    "runtime-version": "master",
-    "sdk": "org.gnome.Sdk",
-    "command": "gtk4-icon-browser",
-    "tags": ["devel", "development", "nightly"],
-    "desktop-file-name-prefix": "(Development) ",
-    "finish-args": [
+    "app-id" : "org.gtk.IconBrowser4",
+    "runtime" : "org.gnome.Platform",
+    "runtime-version" : "master",
+    "sdk" : "org.gnome.Sdk",
+    "command" : "gtk4-icon-browser",
+    "tags" : [
+        "devel",
+        "development",
+        "nightly"
+    ],
+    "desktop-file-name-prefix" : "(Development) ",
+    "finish-args" : [
         "--device=dri",
         "--share=ipc",
         "--socket=fallback-x11",
         "--socket=wayland",
-        "--talk-name=org.gtk.vfs", "--talk-name=org.gtk.vfs.*"
+        "--talk-name=org.gtk.vfs",
+        "--talk-name=org.gtk.vfs.*"
     ],
-    "cleanup": [
+    "cleanup" : [
         "/include",
-        "/lib/pkgconfig", "/share/pkgconfig",
+        "/lib/pkgconfig",
+        "/share/pkgconfig",
         "/share/aclocal",
-        "/man", "/share/man", "/share/gtk-doc",
-        "*.la", ".a",
+        "/man",
+        "/share/man",
+        "/share/gtk-doc",
+        "*.la",
+        ".a",
         "/lib/girepository-1.0",
         "/share/gir-1.0",
         "/share/doc"
     ],
-    "modules": [
+    "modules" : [
         {
             "name" : "wayland",
             "buildsystem" : "autotools",
@@ -39,18 +48,18 @@
             ]
         },
         {
-            "name": "graphene",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
+            "name" : "graphene",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
                 "--libdir=/app/lib",
                 "-Dtests=false",
                 "-Dbenchmarks=false"
             ],
-            "sources": [
+            "sources" : [
                 {
-                    "type": "git",
-                    "url": "https://github.com/ebassi/graphene.git"
+                    "type" : "git",
+                    "url" : "https://github.com/ebassi/graphene.git"
                 }
             ]
         },
@@ -58,7 +67,7 @@
             "name" : "libsass",
             "buildsystem" : "meson",
             "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                 "--libdir=/app/lib"
             ],
             "sources" : [
@@ -73,7 +82,7 @@
             "name" : "sassc",
             "buildsystem" : "meson",
             "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                 "--libdir=/app/lib"
             ],
             "sources" : [
@@ -85,18 +94,24 @@
             ]
         },
         {
-            "name": "gtk",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
-                "--libdir=/app/lib"
+            "name" : "gtk",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
+                "--libdir=/app/lib",
+                "-Denable_vulkan=no",
+                "-Dbuildtype=debugoptimized"
             ],
-            "sources": [
+            "sources" : [
                 {
-                    "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/gtk.git"
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                 }
             ]
         }
-    ]
+    ],
+    "build-options" : {
+        "env" : {
+        }
+    }
 }

build-aux/flatpak/org.gtk.WidgetFactory4.json

@@ -98,7 +98,9 @@
             "buildsystem" : "meson",
             "builddir" : true,
             "config-opts" : [
-                "--libdir=/app/lib"
+                "--libdir=/app/lib",
+                "-Denable_vulkan=no",
+                "-Dbuildtype=debugoptimized"
             ],
             "sources" : [
                 {
@@ -110,7 +112,10 @@
     ],
     "build-options" : {
         "env" : {
-            "DBUS_SESSION_BUS_ADDRESS" : "''"
+            "DBUS_SESSION_BUS_ADDRESS" : "''",
+            "GSK_RENDERER" : "opengl",
+            "GDK_DEBUG" : "vulkan-disable",
+            "G_ENABLE_DEBUG" : "true"
         }
     }
 }

config.h.meson

@@ -103,7 +103,7 @@
 #mesondefine HAVE_SYS_PARAM_H
 
 /* Have the sysprof-capture library */
-#mesondefine HAVE_SYSPROF_CAPTURE
+#mesondefine HAVE_SYSPROF
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #mesondefine HAVE_SYS_STAT_H

demos/constraint-editor/constraint-editor-application.c

@@ -81,11 +81,11 @@ constraint_editor_application_activate (GApplication *app)
 static void
 constraint_editor_application_open (GApplication  *app,
                                     GFile        **files,
-                                    gint           n_files,
-                                    const gchar   *hint)
+                                    int            n_files,
+                                    const char    *hint)
 {
   ConstraintEditorWindow *win;
-  gint i;
+  int i;
 
   for (i = 0; i < n_files; i++)
     {

demos/constraint-editor/constraint-editor-window.c

@@ -193,7 +193,7 @@ constraint_editor_window_load (ConstraintEditorWindow *self,
 
 static void
 open_response_cb (GtkNativeDialog        *dialog,
-                  gint                    response,
+                  int                     response,
                   ConstraintEditorWindow *self)
 {
   gtk_native_dialog_hide (dialog);
@@ -285,7 +285,7 @@ serialize_model (GListModel *list)
 
 static void
 save_response_cb (GtkNativeDialog        *dialog,
-                  gint                    response,
+                  int                     response,
                   ConstraintEditorWindow *self)
 {
   gtk_native_dialog_hide (dialog);

demos/constraint-editor/constraint-editor.ui

@@ -13,8 +13,8 @@
           <object class="GtkLabel">
             <property name="label">Target</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -23,8 +23,8 @@
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <signal name="changed" handler="update_button" swapped="yes"/>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -32,8 +32,8 @@
           <object class="GtkComboBoxText" id="target_attr">
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -41,8 +41,8 @@
           <object class="GtkLabel">
             <property name="label">Relation</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -50,8 +50,8 @@
           <object class="GtkComboBoxText" id="relation">
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -59,8 +59,8 @@
           <object class="GtkLabel">
             <property name="label">Source</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -69,8 +69,8 @@
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <signal name="changed" handler="update_button" swapped="yes"/>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -79,8 +79,8 @@
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <signal name="changed" handler="source_attr_changed" swapped="yes"/>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -88,8 +88,8 @@
           <object class="GtkLabel">
             <property name="label">Multiplier</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
+              <property name="column">0</property>
+              <property name="row">4</property>
             </layout>
           </object>
         </child>
@@ -97,8 +97,8 @@
           <object class="GtkEntry" id="multiplier">
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
             </layout>
           </object>
         </child>
@@ -106,8 +106,8 @@
           <object class="GtkLabel">
             <property name="label">Constant</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">5</property>
+              <property name="column">0</property>
+              <property name="row">5</property>
             </layout>
           </object>
         </child>
@@ -115,8 +115,8 @@
           <object class="GtkEntry" id="constant">
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">5</property>
+              <property name="column">1</property>
+              <property name="row">5</property>
             </layout>
           </object>
         </child>
@@ -124,16 +124,16 @@
           <object class="GtkLabel">
             <property name="label">Strength</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">6</property>
+              <property name="column">0</property>
+              <property name="row">6</property>
             </layout>
           </object>
         </child>
         <child>
           <object class="GtkComboBoxText" id="strength">
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">6</property>
+              <property name="column">1</property>
+              <property name="row">6</property>
             </layout>
           </object>
         </child>
@@ -141,8 +141,8 @@
           <object class="GtkLabel" id="preview">
             <property name="xalign">0</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">7</property>
+              <property name="column">1</property>
+              <property name="row">7</property>
               <property name="column-span">2</property>
             </layout>
             <attributes>
@@ -155,8 +155,8 @@
             <property name="label">Create</property>
             <signal name="clicked" handler="create_constraint"/>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">8</property>
+              <property name="column">2</property>
+              <property name="row">8</property>
             </layout>
           </object>
         </child>

demos/constraint-editor/constraint-view.c

@@ -174,28 +174,25 @@ constraint_view_init (ConstraintView *self)
   manager = gtk_constraint_layout_new ();
   gtk_widget_set_layout_manager (GTK_WIDGET (self), manager);
 
-  all_children = gtk_widget_observe_children (GTK_WIDGET (self));
-  all_constraints = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (manager));
   guides = gtk_constraint_layout_observe_guides (GTK_CONSTRAINT_LAYOUT (manager));
+
+  all_constraints = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (manager));
   filter = gtk_custom_filter_new (omit_internal, NULL, NULL);
   constraints = (GListModel *)gtk_filter_list_model_new (all_constraints, filter);
-  g_object_unref (filter);
+
+  all_children = gtk_widget_observe_children (GTK_WIDGET (self));
   filter = gtk_custom_filter_new (omit_internal, NULL, NULL);
   children = (GListModel *)gtk_filter_list_model_new (all_children, filter);
-  g_object_unref (filter);
 
   list = g_list_store_new (G_TYPE_LIST_MODEL);
   g_list_store_append (list, children);
   g_list_store_append (list, guides);
   g_list_store_append (list, constraints);
-  self->model = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (list)));
   g_object_unref (children);
   g_object_unref (guides);
   g_object_unref (constraints);
-  g_object_unref (all_children);
-  g_object_unref (all_constraints);
-  g_object_unref (list);
 
+  self->model = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (list)));
 
   controller = (GtkEventController *)gtk_gesture_drag_new ();
   g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);

demos/constraint-editor/guide-editor.ui

@@ -55,8 +55,8 @@
           <object class="GtkLabel">
             <property name="label">Name</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -64,8 +64,8 @@
           <object class="GtkEntry" id="name">
             <property name="max-width-chars">20</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
               <property name="column-span">2</property>
             </layout>
           </object>
@@ -74,8 +74,8 @@
           <object class="GtkLabel">
             <property name="label">Min Size</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -84,8 +84,8 @@
             <property name="adjustment">min_width_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -94,8 +94,8 @@
             <property name="adjustment">min_height_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -103,8 +103,8 @@
           <object class="GtkLabel">
             <property name="label">Nat Size</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -113,8 +113,8 @@
             <property name="adjustment">nat_width_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -123,8 +123,8 @@
             <property name="adjustment">nat_height_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">2</property>
+              <property name="column">2</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -132,8 +132,8 @@
           <object class="GtkLabel">
             <property name="label">Max Size</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -142,8 +142,8 @@
             <property name="adjustment">max_width_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -152,8 +152,8 @@
             <property name="adjustment">max_height_adj</property>
             <property name="max-width-chars">5</property>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -161,16 +161,16 @@
           <object class="GtkLabel">
             <property name="label">Strength</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
+              <property name="column">0</property>
+              <property name="row">4</property>
             </layout>
           </object>
         </child>
         <child>
           <object class="GtkComboBoxText" id="strength">
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
               <property name="column-span">2</property>
             </layout>
           </object>
@@ -180,8 +180,8 @@
             <property name="label">Create</property>
             <signal name="clicked" handler="create_guide"/>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">5</property>
+              <property name="column">2</property>
+              <property name="row">5</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/application.c

@@ -1,4 +1,3 @@
-
 #include "config.h"
 
 #include <gtk/gtk.h>
@@ -34,7 +33,7 @@ static void create_window (GApplication *app, const char *contents);
 static void
 show_action_dialog (GSimpleAction *action)
 {
-  const gchar *name;
+  const char *name;
   GtkWidget *dialog;
 
   name = g_action_get_name (G_ACTION (action));
@@ -58,9 +57,9 @@ show_action_infobar (GSimpleAction *action,
                      gpointer       data)
 {
   DemoApplicationWindow *window = data;
-  gchar *text;
-  const gchar *name;
-  const gchar *value;
+  char *text;
+  const char *name;
+  const char *value;
 
   name = g_action_get_name (G_ACTION (action));
   value = g_variant_get_string (parameter, NULL);
@@ -92,7 +91,7 @@ activate_new (GSimpleAction *action,
 
 static void
 open_response_cb (GtkNativeDialog *dialog,
-                  gint             response_id,
+                  int              response_id,
                   gpointer         user_data)
 {
   GtkFileChooserNative *native = user_data;
@@ -185,7 +184,7 @@ activate_about (GSimpleAction *action,
 {
   GtkWidget *window = user_data;
 
-  const gchar *authors[] = {
+  const char *authors[] = {
     "Peter Mattis",
     "Spencer Kimball",
     "Josh MacDonald",
@@ -193,7 +192,7 @@ activate_about (GSimpleAction *action,
     NULL
   };
 
-  const gchar *documentors[] = {
+  const char *documentors[] = {
     "Owen Taylor",
     "Tony Gale",
     "Matthias Clasen <mclasen@redhat.com>",
@@ -244,9 +243,9 @@ static void
 update_statusbar (GtkTextBuffer         *buffer,
                   DemoApplicationWindow *window)
 {
-  gchar *msg;
-  gint row, col;
-  gint count;
+  char *msg;
+  int row, col;
+  int count;
   GtkTextIter iter;
 
   /* clear any previous message, underflow is allowed */

demos/gtk-demo/application.ui

@@ -31,8 +31,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -54,8 +54,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -70,8 +70,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -79,8 +79,8 @@
           <object class="GtkStatusbar" id="status">
             <property name="hexpand">1</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/application_demo.c

@@ -16,8 +16,8 @@ static GtkWidget *placeholder;
 
 static void
 on_name_appeared (GDBusConnection *connection,
-                  const gchar     *name,
-                  const gchar     *name_owner,
+                  const char      *name,
+                  const char      *name_owner,
                   gpointer         user_data)
 {
   name_seen = TRUE;
@@ -25,7 +25,7 @@ on_name_appeared (GDBusConnection *connection,
 
 static void
 on_name_vanished (GDBusConnection *connection,
-                  const gchar     *name,
+                  const char      *name,
                   gpointer         user_data)
 {
   if (!name_seen)
@@ -55,7 +55,7 @@ do_application_demo (GtkWidget *toplevel)
 
   if (placeholder == NULL)
     {
-      const gchar *command;
+      const char *command;
       GError *error = NULL;
 
       if (g_file_test ("./gtk4-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))

demos/gtk-demo/assistant.c

@@ -12,7 +12,7 @@ static GtkWidget *progress_bar = NULL;
 static gboolean
 apply_changes_gradually (gpointer data)
 {
-  gdouble fraction;
+  double fraction;
 
   /* Work, work, work... */
   fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress_bar));
@@ -47,8 +47,8 @@ on_assistant_close_cancel (GtkWidget *widget, gpointer data)
 static void
 on_assistant_prepare (GtkWidget *widget, GtkWidget *page, gpointer data)
 {
-  gint current_page, n_pages;
-  gchar *title;
+  int current_page, n_pages;
+  char *title;
 
   current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (widget));
   n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (widget));
@@ -70,8 +70,8 @@ on_entry_changed (GtkWidget *widget, gpointer data)
 {
   GtkAssistant *assistant = GTK_ASSISTANT (data);
   GtkWidget *current_page;
-  gint page_number;
-  const gchar *text;
+  int page_number;
+  const char *text;
 
   page_number = gtk_assistant_get_current_page (assistant);
   current_page = gtk_assistant_get_nth_page (assistant, page_number);

demos/gtk-demo/blendmodes.ui

@@ -8,6 +8,10 @@
     <property name="default-height">300</property>
     <child>
       <object class="GtkGrid">
+        <property name="margin-start">12</property>
+        <property name="margin-end">12</property>
+        <property name="margin-top">12</property>
+        <property name="margin-bottom">12</property>
         <property name="row-spacing">12</property>
         <property name="column-spacing">12</property>
         <child>
@@ -18,8 +22,8 @@
               <class name="dim-label"/>
             </style>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -29,8 +33,8 @@
             <property name="has-frame">1</property>
             <property name="min-content-width">150</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -40,8 +44,8 @@
             <property name="hexpand">1</property>
             <property name="stack">stack</property>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -67,8 +71,8 @@
                       <object class="GtkLabel">
                         <property name="label" translatable="yes">Duck</property>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -76,8 +80,8 @@
                       <object class="GtkLabel">
                         <property name="label" translatable="yes">Background</property>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -87,8 +91,8 @@
                           <class name="duck"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -98,8 +102,8 @@
                           <class name="gradient"/>
                         </style>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -108,8 +112,8 @@
                         <property name="label" translatable="yes">
 Blended picture</property>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                           <property name="column-span">2</property>
                         </layout>
                       </object>
@@ -121,8 +125,8 @@ Blended picture</property>
                           <class name="blend0"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                           <property name="column-span">2</property>
                         </layout>
                       </object>
@@ -146,8 +150,8 @@ Blended picture</property>
                       <object class="GtkLabel">
                         <property name="label" translatable="yes">Red</property>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -155,8 +159,8 @@ Blended picture</property>
                       <object class="GtkLabel">
                         <property name="label" translatable="yes">Blue</property>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -166,8 +170,8 @@ Blended picture</property>
                           <class name="red"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -177,8 +181,8 @@ Blended picture</property>
                           <class name="blue"/>
                         </style>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -187,8 +191,8 @@ Blended picture</property>
                         <property name="label" translatable="yes">
 Blended picture</property>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                           <property name="column-span">2</property>
                         </layout>
                       </object>
@@ -200,8 +204,8 @@ Blended picture</property>
                           <class name="blend1"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                           <property name="column-span">2</property>
                         </layout>
                       </object>
@@ -228,8 +232,8 @@ Blended picture</property>
                           <class name="cyan"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -239,8 +243,8 @@ Blended picture</property>
                           <class name="magenta"/>
                         </style>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                         </layout>
                       </object>
                     </child>
@@ -250,8 +254,8 @@ Blended picture</property>
                           <class name="yellow"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                         </layout>
                       </object>
                     </child>
@@ -262,8 +266,8 @@ Blended picture</property>
                           <class name="blend2"/>
                         </style>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">1</property>
+                          <property name="row">3</property>
                         </layout>
                       </object>
                     </child>
@@ -275,8 +279,8 @@ Blended picture</property>
                           <class name="dim-label"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -288,8 +292,8 @@ Blended picture</property>
                           <class name="dim-label"/>
                         </style>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                         </layout>
                       </object>
                     </child>
@@ -301,8 +305,8 @@ Blended picture</property>
                           <class name="dim-label"/>
                         </style>
                         <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                         </layout>
                       </object>
                     </child>
@@ -314,8 +318,8 @@ Blended picture</property>
                           <attribute name="weight" value="bold"></attribute>
                         </attributes>
                         <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">1</property>
+                          <property name="row">2</property>
                         </layout>
                       </object>
                     </child>
@@ -324,8 +328,8 @@ Blended picture</property>
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/bluroverlay.c

@@ -132,10 +132,10 @@ blur_overlay_child_update_style_classes (BlurOverlay *overlay,
   gboolean is_left, is_right, is_top, is_bottom;
   gboolean has_left, has_right, has_top, has_bottom;
 
-  has_left = gtk_widget_has_css_class (child, GTK_STYLE_CLASS_LEFT);
-  has_right = gtk_widget_has_css_class (child, GTK_STYLE_CLASS_RIGHT);
-  has_top = gtk_widget_has_css_class (child, GTK_STYLE_CLASS_TOP);
-  has_bottom = gtk_widget_has_css_class (child, GTK_STYLE_CLASS_BOTTOM);
+  has_left = gtk_widget_has_css_class (child, "left");
+  has_right = gtk_widget_has_css_class (child, "right");
+  has_top = gtk_widget_has_css_class (child, "top");
+  has_bottom = gtk_widget_has_css_class (child, "bottom");
 
   is_left = is_right = is_top = is_bottom = FALSE;
 
@@ -158,24 +158,24 @@ blur_overlay_child_update_style_classes (BlurOverlay *overlay,
     is_bottom = (child_allocation->y + child_allocation->height == height);
 
   if (has_left && !is_left)
-    gtk_widget_remove_css_class (child, GTK_STYLE_CLASS_LEFT);
+    gtk_widget_remove_css_class (child, "left");
   else if (!has_left && is_left)
-    gtk_widget_add_css_class (child, GTK_STYLE_CLASS_LEFT);
+    gtk_widget_add_css_class (child, "left");
 
   if (has_right && !is_right)
-    gtk_widget_remove_css_class (child, GTK_STYLE_CLASS_RIGHT);
+    gtk_widget_remove_css_class (child, "right");
   else if (!has_right && is_right)
-    gtk_widget_add_css_class (child, GTK_STYLE_CLASS_RIGHT);
+    gtk_widget_add_css_class (child, "right");
 
   if (has_top && !is_top)
-    gtk_widget_remove_css_class (child, GTK_STYLE_CLASS_TOP);
+    gtk_widget_remove_css_class (child, "top");
   else if (!has_top && is_top)
-    gtk_widget_add_css_class (child, GTK_STYLE_CLASS_TOP);
+    gtk_widget_add_css_class (child, "top");
 
   if (has_bottom && !is_bottom)
-    gtk_widget_remove_css_class (child, GTK_STYLE_CLASS_BOTTOM);
+    gtk_widget_remove_css_class (child, "bottom");
   else if (!has_bottom && is_bottom)
-    gtk_widget_add_css_class (child, GTK_STYLE_CLASS_BOTTOM);
+    gtk_widget_add_css_class (child, "bottom");
 }
 
 static void

demos/gtk-demo/builder.c

@@ -21,15 +21,38 @@ about_activate (GSimpleAction *action,
                 gpointer       user_data)
 {
   GtkWidget *window = user_data;
-  GtkBuilder *builder;
   GtkWidget *about_dlg;
 
-  builder = g_object_get_data (G_OBJECT (window), "builder");
-  about_dlg = GTK_WIDGET (gtk_builder_get_object (builder, "aboutdialog1"));
-  gtk_window_set_transient_for (GTK_WINDOW (about_dlg), GTK_WINDOW (window));
-  gtk_window_set_hide_on_close (GTK_WINDOW (about_dlg), TRUE);
-  g_signal_connect (about_dlg, "response", G_CALLBACK (gtk_widget_hide), NULL);
-  gtk_widget_show (about_dlg);
+  about_dlg = GTK_WIDGET (g_object_get_data (G_OBJECT (window), "about"));
+  gtk_window_present (GTK_WINDOW (about_dlg));
+}
+
+static void
+remove_timeout (gpointer data)
+{
+  guint id = GPOINTER_TO_UINT (data);
+
+  g_source_remove (id);
+}
+
+static gboolean
+pop_status (gpointer data)
+{
+  gtk_statusbar_pop (GTK_STATUSBAR (data), 0);
+  g_object_set_data (G_OBJECT (data), "timeout", NULL);
+  return G_SOURCE_REMOVE;
+}
+
+static void
+status_message (GtkStatusbar *status,
+                const char   *text)
+{
+  guint id;
+
+  gtk_statusbar_push (GTK_STATUSBAR (status), 0, text);
+  id = g_timeout_add (5000, pop_status, status);
+
+  g_object_set_data_full (G_OBJECT (status), "timeout", GUINT_TO_POINTER (id), remove_timeout);
 }
 
 static void
@@ -37,7 +60,10 @@ help_activate (GSimpleAction *action,
                GVariant      *parameter,
                gpointer       user_data)
 {
-  g_print ("Help not available\n");
+  GtkWidget *status;
+
+  status = GTK_WIDGET (g_object_get_data (G_OBJECT (user_data), "status"));
+  status_message (GTK_STATUSBAR (status), "Help not available");
 }
 
 static void
@@ -45,7 +71,13 @@ not_implemented (GSimpleAction *action,
                  GVariant      *parameter,
                  gpointer       user_data)
 {
-  g_print ("Action “%s” not implemented\n", g_action_get_name (G_ACTION (action)));
+  GtkWidget *status;
+  char *text;
+
+  text = g_strdup_printf ("Action “%s” not implemented", g_action_get_name (G_ACTION (action)));
+  status = GTK_WIDGET (g_object_get_data (G_OBJECT (user_data), "status"));
+  status_message (GTK_STATUSBAR (status), text);
+  g_free (text);
 }
 
 static GActionEntry win_entries[] = {
@@ -70,6 +102,8 @@ do_builder (GtkWidget *do_widget)
   if (!window)
     {
       GtkBuilder *builder;
+      GtkWidget *about;
+      GtkWidget *status;
 
       builder = gtk_builder_new_from_resource ("/builder/demo.ui");
 
@@ -83,6 +117,16 @@ do_builder (GtkWidget *do_widget)
                                        window);
       gtk_widget_insert_action_group (window, "win", actions);
 
+      about = GTK_WIDGET (gtk_builder_get_object (builder, "aboutdialog1"));
+      gtk_window_set_transient_for (GTK_WINDOW (about), GTK_WINDOW (window));
+      gtk_window_set_hide_on_close (GTK_WINDOW (about), TRUE);
+      g_signal_connect (about, "response", G_CALLBACK (gtk_widget_hide), NULL);
+      g_object_set_data_full (G_OBJECT (window), "about",
+                              about, (GDestroyNotify)gtk_window_destroy);
+
+      status = GTK_WIDGET (gtk_builder_get_object (builder, "statusbar1"));
+      g_object_set_data (G_OBJECT (window), "status", status);
+
       g_object_unref (builder);
     }
 

demos/gtk-demo/combobox.c

@@ -38,7 +38,7 @@ create_icon_store (void)
 
   GtkTreeIter iter;
   GtkListStore *store;
-  gint i;
+  int i;
 
   store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 
@@ -77,7 +77,7 @@ set_sensitive (GtkCellLayout   *cell_layout,
                gpointer         data)
 {
   GtkTreePath *path;
-  gint *indices;
+  int *indices;
   gboolean sensitive;
 
   path = gtk_tree_model_get_path (tree_model, iter);
@@ -175,7 +175,7 @@ create_capital_store (void)
 
   GtkTreeIter iter, iter2;
   GtkTreeStore *store;
-  gint i;
+  int i;
 
   store = gtk_tree_store_new (1, G_TYPE_STRING);
 

demos/gtk-demo/css_blendmodes.c

@@ -38,14 +38,14 @@ struct {
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 static void
 update_css_for_blend_mode (GtkCssProvider *provider,
-                           const gchar    *blend_mode)
+                           const char     *blend_mode)
 {
   GBytes *bytes;
-  gchar *css;
+  char *css;
 
   bytes = g_resources_lookup_data ("/css_blendmodes/css_blendmodes.css", 0, NULL);
 
-  css = g_strdup_printf ((gchar*) g_bytes_get_data (bytes, NULL),
+  css = g_strdup_printf ((char *) g_bytes_get_data (bytes, NULL),
                          blend_mode,
                          blend_mode,
                          blend_mode);
@@ -62,7 +62,7 @@ row_activated (GtkListBox     *listbox,
                GtkListBoxRow  *row,
                GtkCssProvider *provider)
 {
-  const gchar *blend_mode;
+  const char *blend_mode;
 
   blend_mode = blend_modes[gtk_list_box_row_get_index (row)].id;
 
@@ -75,7 +75,7 @@ setup_listbox (GtkBuilder       *builder,
 {
   GtkWidget *normal_row;
   GtkWidget *listbox;
-  gint i;
+  int i;
 
   normal_row = NULL;
   listbox = gtk_list_box_new ();

demos/gtk-demo/cursors.ui

@@ -4,7 +4,7 @@
     <property name="name">default</property>
   </object>
   <object class="GdkCursor" id="default_cursor_image">
-    <property name="texture">resource:///cursors/default_cursor.png</property>
+    <property name="texture">resource:///cursors/images/default_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">5</property>
   </object>
@@ -13,7 +13,7 @@
     <property name="fallback">default_cursor_image</property>
   </object>
   <object class="GdkCursor" id="default_cursor_image_fallback">
-    <property name="texture">resource:///cursors/default_cursor.png</property>
+    <property name="texture">resource:///cursors/images/default_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">5</property>
     <property name="fallback">default_cursor</property>
@@ -22,21 +22,21 @@
     <property name="name">none</property>
   </object>
   <object class="GdkCursor" id="none_cursor_image">
-    <property name="texture">resource:///cursors/none_cursor.png</property>
+    <property name="texture">resource:///cursors/images/none_cursor.png</property>
   </object>
   <object class="GdkCursor" id="none_cursor_fallback">
     <property name="name">none</property>
     <property name="fallback">none_cursor_image</property>
   </object>
   <object class="GdkCursor" id="none_cursor_image_fallback">
-    <property name="texture">resource:///cursors/none_cursor.png</property>
+    <property name="texture">resource:///cursors/images/none_cursor.png</property>
     <property name="fallback">none_cursor</property>
   </object>
   <object class="GdkCursor" id="gtk-logo_cursor">
     <property name="name">gtk-logo</property>
   </object>
   <object class="GdkCursor" id="gtk-logo_cursor_image">
-    <property name="texture">resource:///cursors/gtk_logo_cursor.png</property>
+    <property name="texture">resource:///cursors/images/gtk_logo_cursor.png</property>
     <property name="hotspot-x">18</property>
     <property name="hotspot-y">2</property>
   </object>
@@ -45,7 +45,7 @@
     <property name="fallback">gtk-logo_cursor_image</property>
   </object>
   <object class="GdkCursor" id="gtk-logo_cursor_image_fallback">
-    <property name="texture">resource:///cursors/gtk_logo_cursor.png</property>
+    <property name="texture">resource:///cursors/images/gtk_logo_cursor.png</property>
     <property name="hotspot-x">18</property>
     <property name="hotspot-y">2</property>
     <property name="fallback">gtk-logo_cursor</property>
@@ -54,7 +54,7 @@
     <property name="name">context-menu</property>
   </object>
   <object class="GdkCursor" id="context-menu_cursor_image">
-    <property name="texture">resource:///cursors/context_menu_cursor.png</property>
+    <property name="texture">resource:///cursors/images/context_menu_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">5</property>
   </object>
@@ -63,7 +63,7 @@
     <property name="fallback">context-menu_cursor_image</property>
   </object>
   <object class="GdkCursor" id="context-menu_cursor_image_fallback">
-    <property name="texture">resource:///cursors/context_menu_cursor.png</property>
+    <property name="texture">resource:///cursors/images/context_menu_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">5</property>
     <property name="fallback">context-menu_cursor</property>
@@ -72,7 +72,7 @@
     <property name="name">help</property>
   </object>
   <object class="GdkCursor" id="help_cursor_image">
-    <property name="texture">resource:///cursors/help_cursor.png</property>
+    <property name="texture">resource:///cursors/images/help_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">27</property>
   </object>
@@ -81,7 +81,7 @@
     <property name="fallback">help_cursor_image</property>
   </object>
   <object class="GdkCursor" id="help_cursor_image_fallback">
-    <property name="texture">resource:///cursors/help_cursor.png</property>
+    <property name="texture">resource:///cursors/images/help_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">27</property>
     <property name="fallback">help_cursor</property>
@@ -90,7 +90,7 @@
     <property name="name">pointer</property>
   </object>
   <object class="GdkCursor" id="pointer_cursor_image">
-    <property name="texture">resource:///cursors/pointer_cursor.png</property>
+    <property name="texture">resource:///cursors/images/pointer_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">9</property>
   </object>
@@ -99,7 +99,7 @@
     <property name="fallback">pointer_cursor_image</property>
   </object>
   <object class="GdkCursor" id="pointer_cursor_image_fallback">
-    <property name="texture">resource:///cursors/pointer_cursor.png</property>
+    <property name="texture">resource:///cursors/images/pointer_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">9</property>
     <property name="fallback">pointer_cursor</property>
@@ -108,7 +108,7 @@
     <property name="name">progress</property>
   </object>
   <object class="GdkCursor" id="progress_cursor_image">
-    <property name="texture">resource:///cursors/progress_cursor.png</property>
+    <property name="texture">resource:///cursors/images/progress_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">4</property>
   </object>
@@ -117,7 +117,7 @@
     <property name="fallback">progress_cursor_image</property>
   </object>
   <object class="GdkCursor" id="progress_cursor_image_fallback">
-    <property name="texture">resource:///cursors/progress_cursor.png</property>
+    <property name="texture">resource:///cursors/images/progress_cursor.png</property>
     <property name="hotspot-x">5</property>
     <property name="hotspot-y">4</property>
     <property name="fallback">progress_cursor</property>
@@ -126,7 +126,7 @@
     <property name="name">wait</property>
   </object>
   <object class="GdkCursor" id="wait_cursor_image">
-    <property name="texture">resource:///cursors/wait_cursor.png</property>
+    <property name="texture">resource:///cursors/images/wait_cursor.png</property>
     <property name="hotspot-x">11</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -135,7 +135,7 @@
     <property name="fallback">wait_cursor_image</property>
   </object>
   <object class="GdkCursor" id="wait_cursor_image_fallback">
-    <property name="texture">resource:///cursors/wait_cursor.png</property>
+    <property name="texture">resource:///cursors/images/wait_cursor.png</property>
     <property name="hotspot-x">11</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">wait_cursor</property>
@@ -144,7 +144,7 @@
     <property name="name">cell</property>
   </object>
   <object class="GdkCursor" id="cell_cursor_image">
-    <property name="texture">resource:///cursors/cell_cursor.png</property>
+    <property name="texture">resource:///cursors/images/cell_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -153,7 +153,7 @@
     <property name="fallback">cell_cursor_image</property>
   </object>
   <object class="GdkCursor" id="cell_cursor_image_fallback">
-    <property name="texture">resource:///cursors/cell_cursor.png</property>
+    <property name="texture">resource:///cursors/images/cell_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">cell_cursor</property>
@@ -162,7 +162,7 @@
     <property name="name">crosshair</property>
   </object>
   <object class="GdkCursor" id="crosshair_cursor_image">
-    <property name="texture">resource:///cursors/crosshair_cursor.png</property>
+    <property name="texture">resource:///cursors/images/crosshair_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -171,7 +171,7 @@
     <property name="fallback">crosshair_cursor_image</property>
   </object>
   <object class="GdkCursor" id="crosshair_cursor_image_fallback">
-    <property name="texture">resource:///cursors/crosshair_cursor.png</property>
+    <property name="texture">resource:///cursors/images/crosshair_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">crosshair_cursor</property>
@@ -180,7 +180,7 @@
     <property name="name">text</property>
   </object>
   <object class="GdkCursor" id="text_cursor_image">
-    <property name="texture">resource:///cursors/text_cursor.png</property>
+    <property name="texture">resource:///cursors/images/text_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -189,7 +189,7 @@
     <property name="fallback">text_cursor_image</property>
   </object>
   <object class="GdkCursor" id="text_cursor_image_fallback">
-    <property name="texture">resource:///cursors/text_cursor.png</property>
+    <property name="texture">resource:///cursors/images/text_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">text_cursor</property>
@@ -198,7 +198,7 @@
     <property name="name">vertical-text</property>
   </object>
   <object class="GdkCursor" id="vertical-text_cursor_image">
-    <property name="texture">resource:///cursors/vertical_text_cursor.png</property>
+    <property name="texture">resource:///cursors/images/vertical_text_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -207,7 +207,7 @@
     <property name="fallback">vertical-text_cursor_image</property>
   </object>
   <object class="GdkCursor" id="vertical-text_cursor_image_fallback">
-    <property name="texture">resource:///cursors/vertical_text_cursor.png</property>
+    <property name="texture">resource:///cursors/images/vertical_text_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">vertical-text_cursor</property>
@@ -216,7 +216,7 @@
     <property name="name">alias</property>
   </object>
   <object class="GdkCursor" id="alias_cursor_image">
-    <property name="texture">resource:///cursors/alias_cursor.png</property>
+    <property name="texture">resource:///cursors/images/alias_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -225,7 +225,7 @@
     <property name="fallback">alias_cursor_image</property>
   </object>
   <object class="GdkCursor" id="alias_cursor_image_fallback">
-    <property name="texture">resource:///cursors/alias_cursor.png</property>
+    <property name="texture">resource:///cursors/images/alias_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">alias_cursor</property>
@@ -234,7 +234,7 @@
     <property name="name">copy</property>
   </object>
   <object class="GdkCursor" id="copy_cursor_image">
-    <property name="texture">resource:///cursors/copy_cursor.png</property>
+    <property name="texture">resource:///cursors/images/copy_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -243,7 +243,7 @@
     <property name="fallback">copy_cursor_image</property>
   </object>
   <object class="GdkCursor" id="copy_cursor_image_fallback">
-    <property name="texture">resource:///cursors/copy_cursor.png</property>
+    <property name="texture">resource:///cursors/images/copy_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">copy_cursor</property>
@@ -252,7 +252,7 @@
     <property name="name">move</property>
   </object>
   <object class="GdkCursor" id="move_cursor_image">
-    <property name="texture">resource:///cursors/move_cursor.png</property>
+    <property name="texture">resource:///cursors/images/move_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -261,7 +261,7 @@
     <property name="fallback">move_cursor_image</property>
   </object>
   <object class="GdkCursor" id="move_cursor_image_fallback">
-    <property name="texture">resource:///cursors/move_cursor.png</property>
+    <property name="texture">resource:///cursors/images/move_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">move_cursor</property>
@@ -270,7 +270,7 @@
     <property name="name">no-drop</property>
   </object>
   <object class="GdkCursor" id="no-drop_cursor_image">
-    <property name="texture">resource:///cursors/no_drop_cursor.png</property>
+    <property name="texture">resource:///cursors/images/no_drop_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -279,7 +279,7 @@
     <property name="fallback">no-drop_cursor_image</property>
   </object>
   <object class="GdkCursor" id="no-drop_cursor_image_fallback">
-    <property name="texture">resource:///cursors/no_drop_cursor.png</property>
+    <property name="texture">resource:///cursors/images/no_drop_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">no-drop_cursor</property>
@@ -288,7 +288,7 @@
     <property name="name">not-allowed</property>
   </object>
   <object class="GdkCursor" id="not-allowed_cursor_image">
-    <property name="texture">resource:///cursors/not_allowed_cursor.png</property>
+    <property name="texture">resource:///cursors/images/not_allowed_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
   </object>
@@ -297,7 +297,7 @@
     <property name="fallback">not-allowed_cursor_image</property>
   </object>
   <object class="GdkCursor" id="not-allowed_cursor_image_fallback">
-    <property name="texture">resource:///cursors/not_allowed_cursor.png</property>
+    <property name="texture">resource:///cursors/images/not_allowed_cursor.png</property>
     <property name="hotspot-x">12</property>
     <property name="hotspot-y">11</property>
     <property name="fallback">not-allowed_cursor</property>
@@ -306,7 +306,7 @@
     <property name="name">grab</property>
   </object>
   <object class="GdkCursor" id="grab_cursor_image">
-    <property name="texture">resource:///cursors/grab_cursor.png</property>
+    <property name="texture">resource:///cursors/images/grab_cursor.png</property>
     <property name="hotspot-x">10</property>
     <property name="hotspot-y">6</property>
   </object>
@@ -315,7 +315,7 @@
     <property name="fallback">grab_cursor_image</property>
   </object>
   <object class="GdkCursor" id="grab_cursor_image_fallback">
-    <property name="texture">resource:///cursors/grab_cursor.png</property>
+    <property name="texture">resource:///cursors/images/grab_cursor.png</property>
     <property name="hotspot-x">10</property>
     <property name="hotspot-y">6</property>
     <property name="fallback">grab_cursor</property>
@@ -324,7 +324,7 @@
     <property name="name">grabbing</property>
   </object>
   <object class="GdkCursor" id="grabbing_cursor_image">
-    <property name="texture">resource:///cursors/grabbing_cursor.png</property>
+    <property name="texture">resource:///cursors/images/grabbing_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">14</property>
   </object>
@@ -333,7 +333,7 @@
     <property name="fallback">grabbing_cursor_image</property>
   </object>
   <object class="GdkCursor" id="grabbing_cursor_image_fallback">
-    <property name="texture">resource:///cursors/grabbing_cursor.png</property>
+    <property name="texture">resource:///cursors/images/grabbing_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">14</property>
     <property name="fallback">grabbing_cursor</property>
@@ -342,7 +342,7 @@
     <property name="name">all-scroll</property>
   </object>
   <object class="GdkCursor" id="all-scroll_cursor_image">
-    <property name="texture">resource:///cursors/all_scroll_cursor.png</property>
+    <property name="texture">resource:///cursors/images/all_scroll_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -351,7 +351,7 @@
     <property name="fallback">all-scroll_cursor_image</property>
   </object>
   <object class="GdkCursor" id="all-scroll_cursor_image_fallback">
-    <property name="texture">resource:///cursors/all_scroll_cursor.png</property>
+    <property name="texture">resource:///cursors/images/all_scroll_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">all-scroll_cursor</property>
@@ -360,7 +360,7 @@
     <property name="name">col-resize</property>
   </object>
   <object class="GdkCursor" id="col-resize_cursor_image">
-    <property name="texture">resource:///cursors/col_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/col_resize_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -369,7 +369,7 @@
     <property name="fallback">col-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="col-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/col_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/col_resize_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">col-resize_cursor</property>
@@ -378,7 +378,7 @@
     <property name="name">row-resize</property>
   </object>
   <object class="GdkCursor" id="row-resize_cursor_image">
-    <property name="texture">resource:///cursors/row_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/row_resize_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">17</property>
   </object>
@@ -387,7 +387,7 @@
     <property name="fallback">row-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="row-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/row_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/row_resize_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">17</property>
     <property name="fallback">row-resize_cursor</property>
@@ -396,7 +396,7 @@
     <property name="name">n-resize</property>
   </object>
   <object class="GdkCursor" id="n-resize_cursor_image">
-    <property name="texture">resource:///cursors/n_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/n_resize_cursor.png</property>
     <property name="hotspot-x">17</property>
     <property name="hotspot-y">7</property>
   </object>
@@ -405,7 +405,7 @@
     <property name="fallback">n-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="n-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/n_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/n_resize_cursor.png</property>
     <property name="hotspot-x">17</property>
     <property name="hotspot-y">7</property>
     <property name="fallback">n-resize_cursor</property>
@@ -414,7 +414,7 @@
     <property name="name">e-resize</property>
   </object>
   <object class="GdkCursor" id="e-resize_cursor_image">
-    <property name="texture">resource:///cursors/e_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/e_resize_cursor.png</property>
     <property name="hotspot-x">25</property>
     <property name="hotspot-y">17</property>
   </object>
@@ -423,7 +423,7 @@
     <property name="fallback">e-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="e-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/e_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/e_resize_cursor.png</property>
     <property name="hotspot-x">25</property>
     <property name="hotspot-y">17</property>
     <property name="fallback">e-resize_cursor</property>
@@ -432,7 +432,7 @@
     <property name="name">s-resize</property>
   </object>
   <object class="GdkCursor" id="s-resize_cursor_image">
-    <property name="texture">resource:///cursors/s_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/s_resize_cursor.png</property>
     <property name="hotspot-x">17</property>
     <property name="hotspot-y">23</property>
   </object>
@@ -441,7 +441,7 @@
     <property name="fallback">s-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="s-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/s_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/s_resize_cursor.png</property>
     <property name="hotspot-x">17</property>
     <property name="hotspot-y">23</property>
     <property name="fallback">s-resize_cursor</property>
@@ -450,7 +450,7 @@
     <property name="name">w-resize</property>
   </object>
   <object class="GdkCursor" id="w-resize_cursor_image">
-    <property name="texture">resource:///cursors/w_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/w_resize_cursor.png</property>
     <property name="hotspot-x">8</property>
     <property name="hotspot-y">17</property>
   </object>
@@ -459,7 +459,7 @@
     <property name="fallback">w-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="w-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/w_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/w_resize_cursor.png</property>
     <property name="hotspot-x">8</property>
     <property name="hotspot-y">17</property>
     <property name="fallback">w-resize_cursor</property>
@@ -468,7 +468,7 @@
     <property name="name">ne-resize</property>
   </object>
   <object class="GdkCursor" id="ne-resize_cursor_image">
-    <property name="texture">resource:///cursors/ne_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ne_resize_cursor.png</property>
     <property name="hotspot-x">20</property>
     <property name="hotspot-y">13</property>
   </object>
@@ -477,7 +477,7 @@
     <property name="fallback">ne-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="ne-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/ne_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ne_resize_cursor.png</property>
     <property name="hotspot-x">20</property>
     <property name="hotspot-y">13</property>
     <property name="fallback">ne-resize_cursor</property>
@@ -486,7 +486,7 @@
     <property name="name">nw-resize</property>
   </object>
   <object class="GdkCursor" id="nw-resize_cursor_image">
-    <property name="texture">resource:///cursors/nw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nw_resize_cursor.png</property>
     <property name="hotspot-x">13</property>
     <property name="hotspot-y">13</property>
   </object>
@@ -495,7 +495,7 @@
     <property name="fallback">nw-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="nw-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/nw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nw_resize_cursor.png</property>
     <property name="hotspot-x">13</property>
     <property name="hotspot-y">13</property>
     <property name="fallback">nw-resize_cursor</property>
@@ -504,7 +504,7 @@
     <property name="name">se-resize</property>
   </object>
   <object class="GdkCursor" id="se-resize_cursor_image">
-    <property name="texture">resource:///cursors/se_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/se_resize_cursor.png</property>
     <property name="hotspot-x">19</property>
     <property name="hotspot-y">19</property>
   </object>
@@ -513,7 +513,7 @@
     <property name="fallback">se-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="se-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/se_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/se_resize_cursor.png</property>
     <property name="hotspot-x">19</property>
     <property name="hotspot-y">19</property>
     <property name="fallback">se-resize_cursor</property>
@@ -522,7 +522,7 @@
     <property name="name">sw-resize</property>
   </object>
   <object class="GdkCursor" id="sw-resize_cursor_image">
-    <property name="texture">resource:///cursors/sw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/sw_resize_cursor.png</property>
     <property name="hotspot-x">13</property>
     <property name="hotspot-y">19</property>
   </object>
@@ -531,7 +531,7 @@
     <property name="fallback">sw-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="sw-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/sw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/sw_resize_cursor.png</property>
     <property name="hotspot-x">13</property>
     <property name="hotspot-y">19</property>
     <property name="fallback">sw-resize_cursor</property>
@@ -540,7 +540,7 @@
     <property name="name">ew-resize</property>
   </object>
   <object class="GdkCursor" id="ew-resize_cursor_image">
-    <property name="texture">resource:///cursors/ew_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ew_resize_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
   </object>
@@ -549,7 +549,7 @@
     <property name="fallback">ew-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="ew-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/ew_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ew_resize_cursor.png</property>
     <property name="hotspot-x">16</property>
     <property name="hotspot-y">15</property>
     <property name="fallback">ew-resize_cursor</property>
@@ -558,7 +558,7 @@
     <property name="name">ns-resize</property>
   </object>
   <object class="GdkCursor" id="ns-resize_cursor_image">
-    <property name="texture">resource:///cursors/ns_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ns_resize_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">17</property>
   </object>
@@ -567,7 +567,7 @@
     <property name="fallback">ns-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="ns-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/ns_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/ns_resize_cursor.png</property>
     <property name="hotspot-x">15</property>
     <property name="hotspot-y">17</property>
     <property name="fallback">ns-resize_cursor</property>
@@ -576,7 +576,7 @@
     <property name="name">nesw-resize</property>
   </object>
   <object class="GdkCursor" id="nesw-resize_cursor_image">
-    <property name="texture">resource:///cursors/nesw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nesw_resize_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">14</property>
   </object>
@@ -585,7 +585,7 @@
     <property name="fallback">nesw-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="nesw-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/nesw_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nesw_resize_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">14</property>
     <property name="fallback">nesw-resize_cursor</property>
@@ -594,7 +594,7 @@
     <property name="name">nwse-resize</property>
   </object>
   <object class="GdkCursor" id="nwse-resize_cursor_image">
-    <property name="texture">resource:///cursors/nwse_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nwse_resize_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">14</property>
   </object>
@@ -603,7 +603,7 @@
     <property name="fallback">nwse-resize_cursor_image</property>
   </object>
   <object class="GdkCursor" id="nwse-resize_cursor_image_fallback">
-    <property name="texture">resource:///cursors/nwse_resize_cursor.png</property>
+    <property name="texture">resource:///cursors/images/nwse_resize_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">14</property>
     <property name="fallback">nwse-resize_cursor</property>
@@ -612,7 +612,7 @@
     <property name="name">zoom-in</property>
   </object>
   <object class="GdkCursor" id="zoom-in_cursor_image">
-    <property name="texture">resource:///cursors/zoom_in_cursor.png</property>
+    <property name="texture">resource:///cursors/images/zoom_in_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">13</property>
   </object>
@@ -621,7 +621,7 @@
     <property name="fallback">zoom-in_cursor_image</property>
   </object>
   <object class="GdkCursor" id="zoom-in_cursor_image_fallback">
-    <property name="texture">resource:///cursors/zoom_in_cursor.png</property>
+    <property name="texture">resource:///cursors/images/zoom_in_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">13</property>
     <property name="fallback">zoom-in_cursor</property>
@@ -630,7 +630,7 @@
     <property name="name">zoom-out</property>
   </object>
   <object class="GdkCursor" id="zoom-out_cursor_image">
-    <property name="texture">resource:///cursors/zoom_out_cursor.png</property>
+    <property name="texture">resource:///cursors/images/zoom_out_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">13</property>
   </object>
@@ -639,7 +639,7 @@
     <property name="fallback">zoom-out_cursor_image</property>
   </object>
   <object class="GdkCursor" id="zoom-out_cursor_image_fallback">
-    <property name="texture">resource:///cursors/zoom_out_cursor.png</property>
+    <property name="texture">resource:///cursors/images/zoom_out_cursor.png</property>
     <property name="hotspot-x">14</property>
     <property name="hotspot-y">13</property>
     <property name="fallback">zoom-out_cursor</property>
@@ -682,7 +682,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/default_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/default_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -742,7 +742,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/none_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/none_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -802,7 +802,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/gtk_logo_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/gtk_logo_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -875,7 +875,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/context_menu_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/context_menu_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -935,7 +935,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/help_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/help_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -995,7 +995,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/pointer_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/pointer_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1055,7 +1055,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/progress_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/progress_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1115,7 +1115,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/wait_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/wait_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1188,7 +1188,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/cell_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/cell_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1248,7 +1248,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/crosshair_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/crosshair_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1308,7 +1308,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/text_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/text_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1368,7 +1368,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/vertical_text_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/vertical_text_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1441,7 +1441,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/alias_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/alias_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1501,7 +1501,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/copy_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/copy_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1561,7 +1561,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/move_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/move_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1621,7 +1621,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/no_drop_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/no_drop_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1681,7 +1681,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/not_allowed_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/not_allowed_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1741,7 +1741,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/grab_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/grab_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1801,7 +1801,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/grabbing_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/grabbing_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1874,7 +1874,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/all_scroll_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/all_scroll_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1934,7 +1934,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/col_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/col_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -1994,7 +1994,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/row_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/row_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2054,7 +2054,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/n_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/n_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2114,7 +2114,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/e_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/e_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2174,7 +2174,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/s_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/s_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2234,7 +2234,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/w_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/w_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2294,7 +2294,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/ne_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/ne_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2354,7 +2354,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/nw_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/nw_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2414,7 +2414,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/sw_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/sw_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2474,7 +2474,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/se_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/se_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2534,7 +2534,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/ew_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/ew_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2594,7 +2594,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/ns_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/ns_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2654,7 +2654,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/nesw_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/nesw_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2714,7 +2714,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/nwse_resize_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/nwse_resize_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2787,7 +2787,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/zoom_in_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/zoom_in_cursor.png</property>
                               </object>
                             </child>
                             <child>
@@ -2847,7 +2847,7 @@
                             <property name="spacing">10</property>
                             <child>
                               <object class="GtkImage">
-                                <property name="paintable">resource:///cursors/zoom_out_cursor.png</property>
+                                <property name="paintable">resource:///cursors/images/zoom_out_cursor.png</property>
                               </object>
                             </child>
                             <child>

demos/gtk-demo/demo.gresource.xml

@@ -51,6 +51,8 @@
     <file>cssview.css</file>
     <file>reset.css</file>
     <file>background.jpg</file>
+  </gresource>
+  <gresource prefix="/css_pixbufs/images">
     <file>apple-red.png</file>
     <file>gnome-applets.png</file>
     <file>gnome-calendar.png</file>
@@ -67,6 +69,8 @@
   </gresource>
   <gresource prefix="/cursors">
     <file>cursors.ui</file>
+  </gresource>
+  <gresource prefix="/cursors/images">
     <file>alias_cursor.png</file>
     <file>all_scroll_cursor.png</file>
     <file>cell_cursor.png</file>
@@ -124,6 +128,14 @@
     <file>gnome-fs-directory.png</file>
     <file>gnome-fs-regular.png</file>
   </gresource>
+  <gresource prefix="/layoutmanager">
+    <file>demolayout.h</file>
+    <file>demolayout.c</file>
+    <file>demowidget.h</file>
+    <file>demowidget.c</file>
+    <file>demochild.h</file>
+    <file>demochild.c</file>
+  </gresource>
   <gresource prefix="/listview_filebrowser">
     <file>listview_filebrowser.ui</file>
     <file>listview_filebrowser.css</file>
@@ -165,17 +177,6 @@
     <file>floppybuddy.gif</file>
     <file>gtk-logo.webm</file>
   </gresource>
-  <gresource prefix="/pixbufs">
-    <file>apple-red.png</file>
-    <file>background.jpg</file>
-    <file>gnome-applets.png</file>
-    <file>gnome-calendar.png</file>
-    <file>gnome-foot.png</file>
-    <file>gnome-gmush.png</file>
-    <file>gnome-gimp.png</file>
-    <file>gnome-gsame.png</file>
-    <file>gnu-keys.png</file>
-  </gresource>
   <gresource prefix="/sources">
     <file>application_demo.c</file>
     <file>assistant.c</file>
@@ -217,8 +218,10 @@
     <file>iconview_edit.c</file>
     <file>images.c</file>
     <file>infobar.c</file>
+    <file>layoutmanager.c</file>
     <file>links.c</file>
     <file>listbox.c</file>
+    <file>listbox2.c</file>
     <file>listview_applauncher.c</file>
     <file>listview_colors.c</file>
     <file>listview_clocks.c</file>
@@ -229,7 +232,6 @@
     <file>listview_words.c</file>
     <file>list_store.c</file>
     <file>markup.c</file>
-    <file>modelbutton.c</file>
     <file>overlay.c</file>
     <file>overlay2.c</file>
     <file>paint.c</file>
@@ -241,7 +243,6 @@
     <file>password_entry.c</file>
     <file>peg_solitaire.c</file>
     <file>pickers.c</file>
-    <file>pixbufs.c</file>
     <file>printing.c</file>
     <file>revealer.c</file>
     <file>rotated_text.c</file>
@@ -279,6 +280,9 @@
     <file>messages.txt</file>
     <file>apple-red.png</file>
   </gresource>
+  <gresource prefix="/listbox2">
+    <file>listbox2.ui</file>
+  </gresource>
   <gresource prefix="/glarea">
     <file>glarea-gl.fs.glsl</file>
     <file>glarea-gl.vs.glsl</file>
@@ -310,9 +314,6 @@
   <gresource prefix="/scale">
     <file>scale.ui</file>
   </gresource>
-  <gresource prefix="/modelbutton">
-    <file>modelbutton.ui</file>
-  </gresource>
   <gresource prefix="/tagged_entry">
     <file>demotaggedentry.c</file>
     <file>demotaggedentry.h</file>

demos/gtk-demo/demo.ui

@@ -95,9 +95,6 @@
     <property name="program-name" translatable="yes">Builder demo</property>
     <property name="logo-icon-name" translatable="yes">gtk3-demo</property>
     <property name="modal">True</property>
-    <accessibility>
-      <relation target="window1" type="subwindow-of"/>
-    </accessibility>
   </object>
   <object class="GtkWindow" id="window1">
     <property name="default-height">250</property>
@@ -113,11 +110,6 @@
         </child>
         <child>
           <object class="GtkBox" id="toolbar1">
-            <child internal-child="accessible">
-              <object class="AtkObject" id="a11y-toolbar">
-                <property name="AtkObject::accessible-name">The toolbar</property>
-              </object>
-            </child>
             <child>
               <object class="GtkButton">
                 <property name="label" translatable="yes">New</property>
@@ -174,14 +166,6 @@
               <object class="GtkTreeView" id="treeview1">
                 <property name="model">liststore1</property>
                 <property name="tooltip-column">3</property>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="a11y-treeview">
-                    <property name="AtkObject::accessible-name">Name list</property>
-                    <property name="AtkObject::accessible-description">
-                                    A list of person with name, surname and age columns
-                                  </property>
-                  </object>
-                </child>
                 <child>
                   <object class="GtkTreeViewColumn" id="column1">
                     <property name="title">Name</property>

demos/gtk-demo/demochild.c

@@ -0,0 +1,72 @@
+#include "demochild.h"
+
+/* This is a trivial child widget just for demo purposes.
+ * It draws a 32x32 square in fixed color.
+ */
+
+struct _DemoChild
+{
+  GtkWidget parent_instance;
+  GdkRGBA color;
+};
+
+struct _DemoChildClass
+{
+  GtkWidgetClass parent_class;
+};
+
+G_DEFINE_TYPE (DemoChild, demo_child, GTK_TYPE_WIDGET)
+
+static void
+demo_child_init (DemoChild *self)
+{
+}
+
+static void
+demo_child_snapshot (GtkWidget   *widget,
+                     GtkSnapshot *snapshot)
+{
+  DemoChild *self = DEMO_CHILD (widget);
+  int width, height;
+
+  width = gtk_widget_get_width (widget);
+  height = gtk_widget_get_height (widget);
+
+  gtk_snapshot_append_color (snapshot, &self->color,
+                             &GRAPHENE_RECT_INIT(0, 0, width, height));
+}
+
+static void
+demo_child_measure (GtkWidget        *widget,
+                    GtkOrientation    orientation,
+                    int               for_size,
+                    int              *minimum,
+                    int              *natural,
+                    int              *minimum_baseline,
+                    int              *natural_baseline)
+{
+  *minimum = *natural = 32;
+}
+
+static void
+demo_child_class_init (DemoChildClass *class)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  widget_class->snapshot = demo_child_snapshot;
+  widget_class->measure = demo_child_measure;
+}
+
+GtkWidget *
+demo_child_new (const char *color)
+{
+  DemoChild *self;
+
+  self = g_object_new (DEMO_TYPE_CHILD,
+                       "tooltip-text", color,
+                       NULL);
+
+  gdk_rgba_parse (&self->color, color);
+
+  return GTK_WIDGET (self);
+}

demos/gtk-demo/demochild.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <gtk/gtk.h>
+
+#define DEMO_TYPE_CHILD (demo_child_get_type ())
+G_DECLARE_FINAL_TYPE (DemoChild, demo_child, DEMO, CHILD, GtkWidget)
+
+GtkWidget * demo_child_new (const char *color);

demos/gtk-demo/demoimage.c

@@ -17,7 +17,7 @@ G_DEFINE_TYPE(DemoImage, demo_image, GTK_TYPE_WIDGET)
 static GdkPaintable *
 get_image_paintable (GtkImage *image)
 {
-  const gchar *icon_name;
+  const char *icon_name;
   GtkIconTheme *icon_theme;
   GtkIconPaintable *icon;
 

demos/gtk-demo/demolayout.c

@@ -0,0 +1,189 @@
+#include "demolayout.h"
+
+struct _DemoLayout
+{
+  GtkLayoutManager parent_instance;
+
+  float position;
+  int pos[16];
+};
+
+struct _DemoLayoutClass
+{
+  GtkLayoutManagerClass parent_class;
+};
+
+G_DEFINE_TYPE (DemoLayout, demo_layout, GTK_TYPE_LAYOUT_MANAGER)
+
+static void
+demo_layout_measure (GtkLayoutManager *layout_manager,
+                     GtkWidget        *widget,
+                     GtkOrientation    orientation,
+                     int               for_size,
+                     int              *minimum,
+                     int              *natural,
+                     int              *minimum_baseline,
+                     int              *natural_baseline)
+{
+  GtkWidget *child;
+  int minimum_size = 0;
+  int natural_size = 0;
+
+  for (child = gtk_widget_get_first_child (widget);
+       child != NULL;
+       child = gtk_widget_get_next_sibling (child))
+    {
+      int child_min = 0, child_nat = 0;
+
+      if (!gtk_widget_should_layout (child))
+        continue;
+
+      gtk_widget_measure (child, orientation, -1,
+                          &child_min, &child_nat,
+                          NULL, NULL);
+      minimum_size = MAX (minimum_size, child_min);
+      natural_size = MAX (natural_size, child_nat);
+    }
+
+  /* A back-of-a-napkin calculation to reserve enough
+   * space for arranging 16 children in a circle.
+   */
+  *minimum = 16 * minimum_size / G_PI + minimum_size;
+  *natural = 16 * natural_size / G_PI + natural_size;
+}
+
+static void
+demo_layout_allocate (GtkLayoutManager *layout_manager,
+                      GtkWidget        *widget,
+                      int               width,
+                      int               height,
+                      int               baseline)
+{
+  DemoLayout *self = DEMO_LAYOUT (layout_manager);
+  GtkWidget *child;
+  int i;
+  int child_width = 0;
+  int child_height = 0;
+  int x0, y0;
+  float r;
+  float t;
+
+  t = self->position;
+
+  for (child = gtk_widget_get_first_child (widget);
+       child != NULL;
+       child = gtk_widget_get_next_sibling (child))
+    {
+      GtkRequisition child_req;
+
+      if (!gtk_widget_should_layout (child))
+        continue;
+
+      gtk_widget_get_preferred_size (child, &child_req, NULL);
+
+      child_width = MAX (child_width, child_req.width);
+      child_height = MAX (child_height, child_req.height);
+    }
+
+  /* the center of our layout */
+  x0 = (width / 2);
+  y0 = (height / 2);
+
+  /* the radius for our circle of children */
+  r = 8 * child_width / G_PI;
+
+  for (child = gtk_widget_get_first_child (widget), i = 0;
+       child != NULL;
+       child = gtk_widget_get_next_sibling (child), i++)
+    {
+      GtkRequisition child_req;
+      float a = self->pos[i] * G_PI / 8;
+      int gx, gy;
+      int cx, cy;
+      int x, y;
+
+      if (!gtk_widget_should_layout (child))
+        continue;
+
+      gtk_widget_get_preferred_size (child, &child_req, NULL);
+
+      /* The grid position of child. */
+      gx = x0 + (i % 4 - 2) * child_width;
+      gy = y0 + (i / 4 - 2) * child_height;
+
+      /* The circle position of child. Note that we
+       * are adjusting the position by half the child size
+       * to place the center of child on a centered circle.
+       * This assumes that the children don't use align flags
+       * or uneven margins that would shift the center.
+       */
+      cx = x0 + sin (a) * r - child_req.width / 2;
+      cy = y0 + cos (a) * r - child_req.height / 2;
+
+      /* we interpolate between the two layouts according to
+       * the position value that has been set on the layout.
+       */
+      x = t * cx + (1 - t) * gx;
+      y = t * cy + (1 - t) * gy;
+
+      gtk_widget_size_allocate (child,
+                                &(const GtkAllocation){ x, y, child_width, child_height},
+                                -1);
+    }
+}
+
+static GtkSizeRequestMode
+demo_layout_get_request_mode (GtkLayoutManager *layout_manager,
+                              GtkWidget        *widget)
+{
+  return GTK_SIZE_REQUEST_CONSTANT_SIZE;
+}
+
+static void
+demo_layout_class_init (DemoLayoutClass *klass)
+{
+  GtkLayoutManagerClass *layout_class = GTK_LAYOUT_MANAGER_CLASS (klass);
+
+  layout_class->get_request_mode = demo_layout_get_request_mode;
+  layout_class->measure = demo_layout_measure;
+  layout_class->allocate = demo_layout_allocate;
+}
+
+static void
+demo_layout_init (DemoLayout *self)
+{
+  int i;
+
+  for (i = 0; i < 16; i++)
+    self->pos[i] = i;
+}
+
+GtkLayoutManager *
+demo_layout_new (void)
+{
+  return g_object_new (DEMO_TYPE_LAYOUT, NULL);
+}
+
+void
+demo_layout_set_position (DemoLayout *layout,
+                          float       position)
+{
+  layout->position = position;
+}
+
+/* Shuffle the circle positions of the children.
+ * Should be called when we are in the grid layout.
+ */
+void
+demo_layout_shuffle (DemoLayout *layout)
+{
+  int i, j, tmp;
+
+  for (i = 0; i < 16; i++)
+    {
+      j = g_random_int_range (0, i + 1);
+      tmp = layout->pos[i];
+      layout->pos[i] = layout->pos[j];
+      layout->pos[j] = tmp;
+    }
+}

demos/gtk-demo/demolayout.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <gtk/gtk.h>
+
+#define DEMO_TYPE_LAYOUT (demo_layout_get_type ())
+
+G_DECLARE_FINAL_TYPE (DemoLayout, demo_layout, DEMO, LAYOUT, GtkLayoutManager)
+
+GtkLayoutManager * demo_layout_new          (void);
+
+void               demo_layout_set_position (DemoLayout *layout,
+                                             float       position);
+void               demo_layout_shuffle      (DemoLayout *layout);

demos/gtk-demo/demotaggedentry.c

@@ -23,14 +23,12 @@
 #include "demotaggedentry.h"
 
 #include <gtk/gtk.h>
-#include <gtk/gtk-a11y.h>
 
 struct _DemoTaggedEntry
 {
   GtkWidget parent_instance;
 
-  GtkWidget *box;
-  GtkWidget *entry;
+  GtkWidget *text;
 };
 
 struct _DemoTaggedEntryClass
@@ -46,15 +44,10 @@ G_DEFINE_TYPE_WITH_CODE (DemoTaggedEntry, demo_tagged_entry, GTK_TYPE_WIDGET,
 static void
 demo_tagged_entry_init (DemoTaggedEntry *entry)
 {
-  entry->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-  gtk_widget_set_parent (entry->box, GTK_WIDGET (entry));
-
-  entry->entry = gtk_text_new ();
-  gtk_widget_set_hexpand (entry->entry, TRUE);
-  gtk_widget_set_vexpand (entry->entry, TRUE);
-  gtk_widget_set_hexpand (entry->box, FALSE);
-  gtk_widget_set_vexpand (entry->box, FALSE);
-  gtk_box_append (GTK_BOX (entry->box), entry->entry);
+  entry->text = gtk_text_new ();
+  gtk_widget_set_hexpand (entry->text, TRUE);
+  gtk_widget_set_vexpand (entry->text, TRUE);
+  gtk_widget_set_parent (entry->text, GTK_WIDGET (entry));
   gtk_editable_init_delegate (GTK_EDITABLE (entry));
 }
 
@@ -62,12 +55,15 @@ static void
 demo_tagged_entry_dispose (GObject *object)
 {
   DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (object);
+  GtkWidget *child;
 
-  if (entry->entry)
+  if (entry->text)
     gtk_editable_finish_delegate (GTK_EDITABLE (entry));
 
-  g_clear_pointer (&entry->entry, gtk_widget_unparent);
-  g_clear_pointer (&entry->box, gtk_widget_unparent);
+  while ((child = gtk_widget_get_first_child (GTK_WIDGET (entry))))
+    gtk_widget_unparent (child);
+
+  entry->text = NULL;
 
   G_OBJECT_CLASS (demo_tagged_entry_parent_class)->dispose (object);
 }
@@ -101,7 +97,7 @@ demo_tagged_entry_grab_focus (GtkWidget *widget)
 {
   DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (widget);
 
-  return gtk_widget_grab_focus (entry->entry);
+  return gtk_widget_grab_focus (entry->text);
 }
 
 static void
@@ -118,15 +114,14 @@ demo_tagged_entry_class_init (DemoTaggedEntryClass *klass)
 
   gtk_editable_install_properties (object_class, 1);
 
-  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
-  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_ENTRY_ACCESSIBLE);
+  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
   gtk_widget_class_set_css_name (widget_class, "entry");
 }
 
 static GtkEditable *
 demo_tagged_entry_get_delegate (GtkEditable *editable)
 {
-  return GTK_EDITABLE (DEMO_TAGGED_ENTRY (editable)->entry);
+  return GTK_EDITABLE (DEMO_TAGGED_ENTRY (editable)->text);
 }
 
 static void
@@ -147,7 +142,7 @@ demo_tagged_entry_add_tag (DemoTaggedEntry *entry,
 {
   g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
 
-  gtk_box_append (GTK_BOX (entry->box), tag);
+  gtk_widget_set_parent (tag, GTK_WIDGET (entry));
 }
 
 void
@@ -157,10 +152,7 @@ demo_tagged_entry_insert_tag_after (DemoTaggedEntry *entry,
 {
   g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
 
-  if (sibling == NULL)
-    gtk_box_append (GTK_BOX (entry->box), tag);
-  else
-    gtk_box_insert_child_after (GTK_BOX (entry->box), tag, sibling);
+  gtk_widget_insert_after (tag, GTK_WIDGET (entry), sibling);
 }
 
 void
@@ -169,7 +161,7 @@ demo_tagged_entry_remove_tag (DemoTaggedEntry *entry,
 {
   g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));
 
-  gtk_box_remove (GTK_BOX (entry->box), tag);
+  gtk_widget_unparent (tag);
 }
 
 struct _DemoTaggedEntryTag

demos/gtk-demo/demowidget.c

@@ -0,0 +1,121 @@
+#include "demowidget.h"
+#include "demolayout.h"
+
+/* parent widget */
+
+struct _DemoWidget
+{
+  GtkWidget parent_instance;
+
+  gboolean backward; /* whether we go 0 -> 1 or 1 -> 0 */
+  gint64 start_time; /* time the transition started */
+  guint tick_id;     /* our tick cb */
+};
+
+struct _DemoWidgetClass
+{
+  GtkWidgetClass parent_class;
+};
+
+G_DEFINE_TYPE (DemoWidget, demo_widget, GTK_TYPE_WIDGET)
+
+/* The widget is controlling the transition by calling
+ * demo_layout_set_position() in a tick callback.
+ *
+ * We take half a second to go from one layout to the other.
+ */
+
+#define DURATION (0.5 * G_TIME_SPAN_SECOND)
+
+static gboolean
+transition (GtkWidget     *widget,
+            GdkFrameClock *frame_clock,
+            gpointer       data)
+{
+  DemoWidget *self = DEMO_WIDGET (widget);
+  DemoLayout *demo_layout = DEMO_LAYOUT (gtk_widget_get_layout_manager (widget));
+  gint64 now = g_get_monotonic_time ();
+
+  gtk_widget_queue_allocate (widget);
+
+  if (self->backward)
+    demo_layout_set_position (demo_layout, 1.0 - (now - self->start_time) / DURATION);
+  else
+    demo_layout_set_position (demo_layout, (now - self->start_time) / DURATION);
+
+  if (now - self->start_time >= DURATION)
+    {
+      self->backward = !self->backward;
+      demo_layout_set_position (demo_layout, self->backward ? 1.0 : 0.0);
+      /* keep things interesting by shuffling the positions */
+      if (!self->backward)
+        demo_layout_shuffle (demo_layout);
+      self->tick_id = 0;
+
+      return G_SOURCE_REMOVE;
+    }
+
+  return G_SOURCE_CONTINUE;
+}
+
+static void
+clicked (GtkGestureClick *gesture,
+         guint            n_press,
+         double           x,
+         double           y,
+         gpointer         data)
+{
+  DemoWidget *self = data;
+
+  if (self->tick_id != 0)
+    return;
+
+  self->start_time = g_get_monotonic_time ();
+  self->tick_id = gtk_widget_add_tick_callback (GTK_WIDGET (self), transition, NULL, NULL);
+}
+
+static void
+demo_widget_init (DemoWidget *self)
+{
+  GtkGesture *gesture;
+
+  gesture = gtk_gesture_click_new ();
+  g_signal_connect (gesture, "pressed", G_CALLBACK (clicked), self);
+  gtk_widget_add_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (gesture));
+}
+
+static void
+demo_widget_dispose (GObject *object)
+{
+  GtkWidget *child;
+
+  while ((child = gtk_widget_get_first_child (GTK_WIDGET (object))))
+    gtk_widget_unparent (child);
+
+  G_OBJECT_CLASS (demo_widget_parent_class)->dispose (object);
+}
+
+static void
+demo_widget_class_init (DemoWidgetClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  object_class->dispose = demo_widget_dispose;
+
+  /* here is where we use our custom layout manager */
+  gtk_widget_class_set_layout_manager_type (widget_class, DEMO_TYPE_LAYOUT);
+}
+
+GtkWidget *
+demo_widget_new (void)
+{
+  return g_object_new (DEMO_TYPE_WIDGET, NULL);
+}
+
+void
+demo_widget_add_child (DemoWidget *self,
+                       GtkWidget  *child)
+{
+  gtk_widget_set_parent (child, GTK_WIDGET (self));
+}

demos/gtk-demo/demowidget.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <gtk/gtk.h>
+
+#define DEMO_TYPE_WIDGET (demo_widget_get_type ())
+G_DECLARE_FINAL_TYPE (DemoWidget, demo_widget, DEMO, WIDGET, GtkWidget)
+
+GtkWidget * demo_widget_new       (void);
+
+void        demo_widget_add_child (DemoWidget *self,
+                                   GtkWidget  *child);

demos/gtk-demo/dialog.c

@@ -16,7 +16,7 @@ message_dialog_clicked (GtkButton *button,
                         gpointer   user_data)
 {
   GtkWidget *dialog;
-  static gint i = 1;
+  static int i = 1;
 
   dialog = gtk_message_dialog_new (GTK_WINDOW (window),
                                    GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,

demos/gtk-demo/dnd.c

@@ -153,6 +153,30 @@ click_done (GtkGesture *gesture)
     gtk_widget_insert_after (item, canvas, last_child);
 }
 
+static gboolean
+theme_is_dark (void)
+{
+  GtkSettings *settings;
+  char *theme;
+  gboolean prefer_dark;
+  gboolean dark;
+
+  settings = gtk_settings_get_default ();
+  g_object_get (settings,
+                "gtk-theme-name", &theme,
+                "gtk-application-prefer-dark-theme", &prefer_dark,
+                NULL);
+
+  if ((strcmp (theme, "Adwaita") == 0 && prefer_dark) || strcmp (theme, "HighContrastInverse") == 0)
+    dark = TRUE;
+  else
+    dark = FALSE;
+
+  g_free (theme);
+
+  return dark;
+}
+
 static void
 canvas_item_init (CanvasItem *item)
 {
@@ -180,7 +204,11 @@ canvas_item_init (CanvasItem *item)
   gtk_widget_set_name (item->label, id);
   g_free (id);
 
-  gdk_rgba_parse (&rgba, "yellow");
+  if (theme_is_dark ())
+    gdk_rgba_parse (&rgba, "blue");
+  else
+    gdk_rgba_parse (&rgba, "yellow");
+
   set_color (item, &rgba);
 
   item->angle = 0;
@@ -538,7 +566,6 @@ canvas_new (void)
   canvas = gtk_fixed_new ();
   gtk_widget_set_hexpand (canvas, TRUE);
   gtk_widget_set_vexpand (canvas, TRUE);
-  gtk_widget_add_css_class (canvas, "frame");
 
   source = gtk_drag_source_new ();
   gtk_drag_source_set_actions (source, GDK_ACTION_MOVE);
@@ -597,6 +624,83 @@ css_button_new (const char *class)
   return button;
 }
 
+typedef struct
+{
+  GtkWidget parent_instance;
+  GdkRGBA color;
+} ColorSwatch;
+
+typedef struct
+{
+  GtkWidgetClass parent_class;
+} ColorSwatchClass;
+
+G_DEFINE_TYPE (ColorSwatch, color_swatch, GTK_TYPE_WIDGET)
+
+static GdkContentProvider *
+color_swatch_drag_prepare (GtkDragSource  *source,
+                           double          x,
+                           double          y,
+                           ColorSwatch    *swatch)
+{
+  return gdk_content_provider_new_typed (GDK_TYPE_RGBA, &swatch->color);
+}
+
+static void
+color_swatch_init (ColorSwatch *swatch)
+{
+  GtkDragSource *source = gtk_drag_source_new ();
+  g_signal_connect (source, "prepare", G_CALLBACK (color_swatch_drag_prepare), swatch);
+  gtk_widget_add_controller (GTK_WIDGET (swatch), GTK_EVENT_CONTROLLER (source));
+}
+
+static void
+color_swatch_snapshot (GtkWidget   *widget,
+                       GtkSnapshot *snapshot)
+{
+  ColorSwatch *swatch = (ColorSwatch *)widget;
+  float w = gtk_widget_get_width (widget);
+  float h = gtk_widget_get_height (widget);
+
+  gtk_snapshot_append_color (snapshot, &swatch->color,
+                             &GRAPHENE_RECT_INIT(0, 0, w, h));
+}
+
+void
+color_swatch_measure (GtkWidget      *widget,
+                      GtkOrientation  orientation,
+                      int             for_size,
+                      int            *minimum_size,
+                      int            *natural_size,
+                      int            *minimum_baseline,
+                      int            *natural_baseline)
+{
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    *minimum_size = *natural_size = 48;
+  else
+    *minimum_size = *natural_size = 32;
+}
+
+static void
+color_swatch_class_init (ColorSwatchClass *class)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  widget_class->snapshot = color_swatch_snapshot;
+  widget_class->measure = color_swatch_measure;
+  gtk_widget_class_set_css_name (widget_class, "colorswatch");
+}
+
+static GtkWidget *
+color_swatch_new (const char *color)
+{
+  ColorSwatch *swatch = g_object_new (color_swatch_get_type (), NULL);
+
+  gdk_rgba_parse (&swatch->color, color);
+
+  return GTK_WIDGET (swatch);
+}
+
 static GtkWidget *window = NULL;
 
 GtkWidget *
@@ -659,6 +763,8 @@ do_dnd (GtkWidget *do_widget)
           y += 100;
         }
 
+      gtk_box_append (GTK_BOX (box), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
+
       sw = gtk_scrolled_window_new ();
       gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
                                       GTK_POLICY_AUTOMATIC,
@@ -670,18 +776,7 @@ do_dnd (GtkWidget *do_widget)
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), box3);
 
       for (i = 0; colors[i]; i++)
-        {
-          GdkRGBA rgba;
-          GtkWidget *swatch;
-
-          gdk_rgba_parse (&rgba, colors[i]);
-
-          swatch = g_object_new (g_type_from_name ("GtkColorSwatch"),
-                                 "rgba", &rgba,
-                                 "selectable", FALSE,
-                                 NULL);
-          gtk_box_append (GTK_BOX (box3), swatch);
-        }
+        gtk_box_append (GTK_BOX (box3), color_swatch_new (colors[i]));
 
       gtk_box_append (GTK_BOX (box3), css_button_new ("rainbow1"));
       gtk_box_append (GTK_BOX (box3), css_button_new ("rainbow2"));

demos/gtk-demo/drawingarea.c

@@ -64,8 +64,8 @@ scribble_draw (GtkDrawingArea *da,
 /* Draw a rectangle on the screen */
 static void
 draw_brush (GtkWidget *widget,
-            gdouble    x,
-            gdouble    y)
+            double     x,
+            double     y)
 {
   GdkRectangle update_rect;
   cairo_t *cr;

demos/gtk-demo/dropdown.c

@@ -254,7 +254,7 @@ do_dropdown (GtkWidget *do_widget)
       gtk_widget_set_margin_bottom (box, 10);
       gtk_window_set_child (GTK_WINDOW (window), box);
 
-      button = gtk_drop_down_new ();
+      button = gtk_drop_down_new (NULL, NULL);
 
       model = G_LIST_MODEL (pango_cairo_font_map_get_default ());
       gtk_drop_down_set_model (GTK_DROP_DOWN (button), model);

demos/gtk-demo/editable_cells.c

@@ -16,9 +16,9 @@
 
 typedef struct
 {
-  gint   number;
-  gchar *product;
-  gint   yummy;
+  int    number;
+  char *product;
+  int    yummy;
 }
 Item;
 
@@ -74,7 +74,7 @@ add_items (void)
 static GtkTreeModel *
 create_items_model (void)
 {
-  gint i = 0;
+  int i = 0;
   GtkListStore *model;
   GtkTreeIter iter;
 
@@ -109,7 +109,7 @@ static GtkTreeModel *
 create_numbers_model (void)
 {
 #define N_NUMBERS 10
-  gint i = 0;
+  int i = 0;
   GtkListStore *model;
   GtkTreeIter iter;
 
@@ -192,7 +192,7 @@ remove_item (GtkWidget *widget, gpointer data)
 
   if (gtk_tree_selection_get_selected (selection, NULL, &iter))
     {
-      gint i;
+      int i;
       GtkTreePath *path;
 
       path = gtk_tree_model_get_path (model, &iter);
@@ -211,7 +211,7 @@ separator_row (GtkTreeModel *model,
                gpointer      data)
 {
   GtkTreePath *path;
-  gint idx;
+  int idx;
 
   path = gtk_tree_model_get_path (model, iter);
   idx = gtk_tree_path_get_indices (path)[0];
@@ -224,7 +224,7 @@ separator_row (GtkTreeModel *model,
 static void
 editing_started (GtkCellRenderer *cell,
                  GtkCellEditable *editable,
-                 const gchar     *path,
+                 const char      *path,
                  gpointer         data)
 {
   gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (editable),
@@ -233,15 +233,15 @@ editing_started (GtkCellRenderer *cell,
 
 static void
 cell_edited (GtkCellRendererText *cell,
-             const gchar         *path_string,
-             const gchar         *new_text,
+             const char          *path_string,
+             const char          *new_text,
              gpointer             data)
 {
   GtkTreeModel *model = (GtkTreeModel *)data;
   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
   GtkTreeIter iter;
 
-  gint column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+  int column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
 
   gtk_tree_model_get_iter (model, &iter, path);
 
@@ -249,7 +249,7 @@ cell_edited (GtkCellRendererText *cell,
     {
     case COLUMN_ITEM_NUMBER:
       {
-        gint i;
+        int i;
 
         i = gtk_tree_path_get_indices (path)[0];
         g_array_index (articles, Item, i).number = atoi (new_text);
@@ -261,8 +261,8 @@ cell_edited (GtkCellRendererText *cell,
 
     case COLUMN_ITEM_PRODUCT:
       {
-        gint i;
-        gchar *old_text;
+        int i;
+        char *old_text;
 
         gtk_tree_model_get (model, &iter, column, &old_text, -1);
         g_free (old_text);

demos/gtk-demo/expander.c

@@ -13,7 +13,7 @@
 static GtkWidget *window = NULL;
 
 static void
-response_cb (GtkDialog *dialog, gint response_id)
+response_cb (GtkDialog *dialog, int response_id)
 {
   gtk_window_destroy (GTK_WINDOW (window));
   window = NULL;
@@ -35,6 +35,10 @@ do_expander (GtkWidget *do_widget)
   GtkWidget *sw;
   GtkWidget *tv;
   GtkTextBuffer *buffer;
+  GtkTextIter start;
+  GtkTextIter end;
+  GtkTextTag *tag;
+  GdkPaintable *paintable;
 
   if (!window)
     {
@@ -64,12 +68,25 @@ do_expander (GtkWidget *do_widget)
                                       GTK_POLICY_NEVER,
                                       GTK_POLICY_AUTOMATIC);
       gtk_scrolled_window_set_propagate_natural_height (GTK_SCROLLED_WINDOW (sw), TRUE);
+      gtk_widget_set_vexpand (sw, TRUE);
 
       tv = gtk_text_view_new ();
+
+      g_object_set (tv,
+                    "left-margin", 10,
+                    "right-margin", 10,
+                    "top-margin", 10,
+                    "bottom-margin", 10,
+                    NULL);
+
       buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
       gtk_text_view_set_editable (GTK_TEXT_VIEW (tv), FALSE);
+      gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (tv), FALSE);
       gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
-      gtk_text_buffer_set_text (GTK_TEXT_BUFFER (buffer),
+      gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (tv), 2);
+      gtk_text_view_set_pixels_below_lines (GTK_TEXT_VIEW (tv), 2);
+
+      gtk_text_buffer_set_text (buffer,
                                 "Finally, the full story with all details. "
                                 "And all the inside information, including "
                                 "error codes, etc etc. Pages of information, "
@@ -77,7 +94,22 @@ do_expander (GtkWidget *do_widget)
                                 "or even resize the window - it works !\n"
                                 "A second paragraph will contain even more "
                                 "innuendo, just to make you scroll down or "
-                                "resize the window. Do it already !", -1);
+                                "resize the window.\n"
+                                "Do it already!\n", -1);
+
+      gtk_text_buffer_get_end_iter (buffer, &start);
+      paintable = GDK_PAINTABLE (gdk_texture_new_from_resource ("/cursors/images/gtk_logo_cursor.png"));
+      gtk_text_buffer_insert_paintable (buffer, &start, paintable);
+      g_object_unref (paintable);
+      gtk_text_iter_backward_char (&start);
+
+      gtk_text_buffer_get_end_iter (buffer, &end);
+      tag = gtk_text_buffer_create_tag (buffer, NULL,
+                                        "pixels-above-lines", 200,
+                                        "justification", GTK_JUSTIFY_RIGHT,
+                                        NULL);
+      gtk_text_buffer_apply_tag (buffer, tag, &start, &end);
+
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
       gtk_expander_set_child (GTK_EXPANDER (expander), sw);
       gtk_box_append (GTK_BOX (area), expander);

demos/gtk-demo/filtermodel.c

@@ -22,8 +22,8 @@ format_number (GtkTreeViewColumn *col,
                GtkTreeIter       *iter,
                gpointer           data)
 {
-  gint num;
-  gchar *text;
+  int num;
+  char *text;
 
   gtk_tree_model_get (model, iter, GPOINTER_TO_INT (data), &num, -1);
   text = g_strdup_printf ("%d", num);
@@ -35,11 +35,11 @@ static void
 filter_modify_func (GtkTreeModel *model,
                     GtkTreeIter  *iter,
                     GValue       *value,
-                    gint          column,
+                    int           column,
                     gpointer      data)
 {
   GtkTreeModelFilter *filter_model = GTK_TREE_MODEL_FILTER (model);
-  gint width, height;
+  int width, height;
   GtkTreeModel *child_model;
   GtkTreeIter child_iter;
 
@@ -75,7 +75,7 @@ visible_func (GtkTreeModel *model,
               GtkTreeIter  *iter,
               gpointer      data)
 {
-  gint width;
+  int width;
 
   gtk_tree_model_get (model, iter,
                       WIDTH_COLUMN, &width,

demos/gtk-demo/filtermodel.ui

@@ -45,12 +45,9 @@
             <attributes>
               <attribute name="weight" value="bold"></attribute>
             </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview1"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -83,12 +80,9 @@
                 </child>
               </object>
             </child>
-            <accessibility>
-              <relation type="labelled-by" target="label1"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -133,12 +127,9 @@
                 </child>
               </object>
             </child>
-            <accessibility>
-              <relation type="labelled-by" target="label2"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -149,12 +140,9 @@
             <attributes>
               <attribute name="weight" value="bold"></attribute>
             </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview2"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -165,12 +153,9 @@
             <attributes>
               <attribute name="weight" value="bold"></attribute>
             </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview3"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -197,12 +182,9 @@
                 </child>
               </object>
             </child>
-            <accessibility>
-              <relation type="labelled-by" target="label3"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/fishbowl.c

@@ -209,7 +209,7 @@ set_widget_type (GtkFishbowl *fishbowl,
                         widget_types[selected_widget_type].name);
 }
 
-void
+G_MODULE_EXPORT void
 fishbowl_next_button_clicked_cb (GtkButton *source,
                                  gpointer   user_data)
 {
@@ -224,7 +224,7 @@ fishbowl_next_button_clicked_cb (GtkButton *source,
   set_widget_type (fishbowl, new_index);
 }
 
-void
+G_MODULE_EXPORT void
 fishbowl_prev_button_clicked_cb (GtkButton *source,
                                  gpointer   user_data)
 {
@@ -239,7 +239,7 @@ fishbowl_prev_button_clicked_cb (GtkButton *source,
   set_widget_type (fishbowl, new_index);
 }
 
-void
+G_MODULE_EXPORT void
 fishbowl_changes_toggled_cb (GtkToggleButton *button,
                              gpointer         user_data)
 {
@@ -249,7 +249,7 @@ fishbowl_changes_toggled_cb (GtkToggleButton *button,
     gtk_button_set_icon_name (GTK_BUTTON (button), "changes-allow");
 }
 
-char *
+G_MODULE_EXPORT char *
 format_header_cb (GObject *object,
                   guint    count,
                   double   fps)

demos/gtk-demo/flowbox.c

@@ -29,7 +29,7 @@ draw_color (GtkDrawingArea *drawingarea,
 }
 
 static GtkWidget *
-color_swatch_new (const gchar *color)
+color_swatch_new (const char *color)
 {
   GtkWidget *button, *area;
 
@@ -48,7 +48,7 @@ do_flowbox (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
   GtkWidget *scrolled, *flowbox;
-  const gchar *colors[] = {
+  const char *colors[] = {
     "AliceBlue",
     "AntiqueWhite",
     "AntiqueWhite1",
@@ -716,7 +716,7 @@ do_flowbox (GtkWidget *do_widget)
     "YellowGreen",
     NULL
   };
-  gint i;
+  int i;
 
   if (!window)
     {

demos/gtk-demo/font_features.c

@@ -130,6 +130,10 @@ static const char *
 get_feature_display_name (unsigned int tag)
 {
   int i;
+  static char buf[5] = { 0, };
+
+  if (tag == MAKE_TAG ('x', 'x', 'x', 'x'))
+    return _("Default");
 
   for (i = 0; i < G_N_ELEMENTS (open_type_layout_features); i++)
     {
@@ -137,7 +141,10 @@ get_feature_display_name (unsigned int tag)
         return g_dpgettext2 (NULL, "OpenType layout", open_type_layout_features[i].name);
     }
 
-  return NULL;
+  hb_tag_to_string (tag, buf);
+  g_warning ("unknown OpenType layout feature tag: %s", buf);
+
+  return buf;
 }
 
 static void update_display (void);
@@ -295,7 +302,7 @@ update_display (void)
   GList *l;
   PangoAttrList *attrs;
   PangoAttribute *attr;
-  gint ins, bound;
+  int ins, bound;
   guint start, end;
   PangoLanguage *lang;
   char *font_desc;
@@ -479,7 +486,7 @@ update_script_combo (void)
 {
   GtkListStore *store;
   hb_font_t *hb_font;
-  gint i, j, k;
+  int i, j, k;
   PangoFont *pango_font;
   GHashTable *tags;
   GHashTableIter iter;
@@ -593,7 +600,7 @@ update_script_combo (void)
 static void
 update_features (void)
 {
-  gint i, j;
+  int i, j;
   GtkTreeModel *model;
   GtkTreeIter iter;
   guint script_index, lang_index;
@@ -728,8 +735,8 @@ static void
 entry_activated (GtkEntry *entry,
                  GtkAdjustment *adjustment)
 {
-  gdouble value;
-  gchar *err = NULL;
+  double value;
+  char *err = NULL;
 
   value = g_strtod (gtk_editable_get_text (GTK_EDITABLE (entry)), &err);
   if (err != NULL)
@@ -939,7 +946,7 @@ instance_changed (GtkComboBox *combo)
     {
       Axis *axis;
       Axis akey;
-      gdouble value;
+      double value;
 
       value = coords[ai[i].axis_index];
 
@@ -1285,8 +1292,7 @@ do_font_features (GtkWidget *do_widget)
                                                                             "palt",
                                                                             "twid",
                                                                             "qwid", NULL });
-      add_check_group (feature_list, _("Alternative Stylistic Sets"), (const char *[]){ "ss00",
-                                                                                        "ss01",
+      add_check_group (feature_list, _("Alternative Stylistic Sets"), (const char *[]){ "ss01",
                                                                                         "ss02",
                                                                                         "ss03",
                                                                                         "ss04",

demos/gtk-demo/fontify.c

@@ -0,0 +1,458 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+#include <glib/gstdio.h>
+
+#ifdef HAVE_GIO_UNIX
+#include <gio/gunixoutputstream.h>
+#include <fcntl.h>
+#endif
+
+
+/* This is the guts of gtk_text_buffer_insert_markup,
+ * copied here so we can make an incremental version.
+ */
+static void
+insert_tags_for_attributes (GtkTextBuffer     *buffer,
+                            PangoAttrIterator *iter,
+                            GtkTextIter       *start,
+                            GtkTextIter       *end)
+{
+  GtkTextTagTable *table;
+  PangoAttribute *attr;
+  GtkTextTag *tag;
+  char name[256];
+
+  table = gtk_text_buffer_get_tag_table (buffer);
+
+#define STRING_ATTR(pango_attr_name, attr_name) \
+  attr = pango_attr_iterator_get (iter, pango_attr_name); \
+  if (attr) \
+    { \
+      const char *string = ((PangoAttrString*)attr)->value; \
+      g_snprintf (name, 256, #attr_name "=%s", string); \
+      tag = gtk_text_tag_table_lookup (table, name); \
+      if (!tag) \
+        { \
+          tag = gtk_text_tag_new (name); \
+          g_object_set (tag, #attr_name, string, NULL); \
+          gtk_text_tag_table_add (table, tag); \
+          g_object_unref (tag); \
+        } \
+      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
+    }
+
+#define INT_ATTR(pango_attr_name, attr_name) \
+  attr = pango_attr_iterator_get (iter, pango_attr_name); \
+  if (attr) \
+    { \
+      int value = ((PangoAttrInt*)attr)->value; \
+      g_snprintf (name, 256, #attr_name "=%d", value); \
+      tag = gtk_text_tag_table_lookup (table, name); \
+      if (!tag) \
+        { \
+          tag = gtk_text_tag_new (name); \
+          g_object_set (tag, #attr_name, value, NULL); \
+          gtk_text_tag_table_add (table, tag); \
+          g_object_unref (tag); \
+        } \
+      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
+    }
+
+#define FLOAT_ATTR(pango_attr_name, attr_name) \
+  attr = pango_attr_iterator_get (iter, pango_attr_name); \
+  if (attr) \
+    { \
+      float value = ((PangoAttrFloat*)attr)->value; \
+      g_snprintf (name, 256, #attr_name "=%g", value); \
+      tag = gtk_text_tag_table_lookup (table, name); \
+      if (!tag) \
+        { \
+          tag = gtk_text_tag_new (name); \
+          g_object_set (tag, #attr_name, value, NULL); \
+          gtk_text_tag_table_add (table, tag); \
+          g_object_unref (tag); \
+        } \
+      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
+    }
+
+#define RGBA_ATTR(pango_attr_name, attr_name) \
+  attr = pango_attr_iterator_get (iter, pango_attr_name); \
+  if (attr) \
+    { \
+      PangoColor *color; \
+      GdkRGBA rgba; \
+      color = &((PangoAttrColor*)attr)->color; \
+      rgba.red = color->red / 65535.; \
+      rgba.green = color->green / 65535.; \
+      rgba.blue = color->blue / 65535.; \
+      rgba.alpha = 1.; \
+      char *str = gdk_rgba_to_string (&rgba); \
+      g_snprintf (name, 256, #attr_name "=%s", str); \
+      g_free (str); \
+      tag = gtk_text_tag_table_lookup (table, name); \
+      if (!tag) \
+        { \
+          tag = gtk_text_tag_new (name); \
+          g_object_set (tag, #attr_name, &rgba, NULL); \
+          gtk_text_tag_table_add (table, tag); \
+          g_object_unref (tag); \
+        } \
+      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
+    }
+
+  attr = pango_attr_iterator_get (iter, PANGO_ATTR_LANGUAGE);
+  if (attr)
+    {
+      const char *language = pango_language_to_string (((PangoAttrLanguage*)attr)->value);
+      g_snprintf (name, 256, "language=%s", language);
+      tag = gtk_text_tag_table_lookup (table, name);
+      if (!tag)
+        {
+          tag = gtk_text_tag_new (name);
+          g_object_set (tag, "language", language, NULL);
+          gtk_text_tag_table_add (table, tag);
+          g_object_unref (tag);
+        }
+      gtk_text_buffer_apply_tag (buffer, tag, start, end);
+    }
+
+  STRING_ATTR (PANGO_ATTR_FAMILY, family)
+  INT_ATTR    (PANGO_ATTR_STYLE, style)
+  INT_ATTR    (PANGO_ATTR_WEIGHT, weight)
+  INT_ATTR    (PANGO_ATTR_VARIANT, variant)
+  INT_ATTR    (PANGO_ATTR_STRETCH, stretch)
+  INT_ATTR    (PANGO_ATTR_SIZE, size)
+
+  attr = pango_attr_iterator_get (iter, PANGO_ATTR_FONT_DESC);
+  if (attr)
+    {
+      PangoFontDescription *desc = ((PangoAttrFontDesc*)attr)->desc;
+      char *str = pango_font_description_to_string (desc);
+      g_snprintf (name, 256, "font-desc=%s", str);
+      g_free (str);
+      tag = gtk_text_tag_table_lookup (table, name);
+      if (!tag)
+        {
+          tag = gtk_text_tag_new (name);
+          g_object_set (tag, "font-desc", desc, NULL);
+          gtk_text_tag_table_add (table, tag);
+          g_object_unref (tag);
+        }
+      gtk_text_buffer_apply_tag (buffer, tag, start, end);
+    }
+
+  RGBA_ATTR   (PANGO_ATTR_FOREGROUND, foreground_rgba)
+  RGBA_ATTR   (PANGO_ATTR_BACKGROUND, background_rgba)
+  INT_ATTR    (PANGO_ATTR_UNDERLINE, underline)
+  RGBA_ATTR   (PANGO_ATTR_UNDERLINE_COLOR, underline_rgba)
+  INT_ATTR    (PANGO_ATTR_OVERLINE, overline)
+  RGBA_ATTR   (PANGO_ATTR_OVERLINE_COLOR, overline_rgba)
+  INT_ATTR    (PANGO_ATTR_STRIKETHROUGH, strikethrough)
+  RGBA_ATTR   (PANGO_ATTR_STRIKETHROUGH_COLOR, strikethrough_rgba)
+  INT_ATTR    (PANGO_ATTR_RISE, rise)
+  FLOAT_ATTR  (PANGO_ATTR_SCALE, scale)
+  INT_ATTR    (PANGO_ATTR_FALLBACK, fallback)
+  INT_ATTR    (PANGO_ATTR_LETTER_SPACING, letter_spacing)
+  STRING_ATTR (PANGO_ATTR_FONT_FEATURES, font_features)
+  INT_ATTR    (PANGO_ATTR_ALLOW_BREAKS, allow_breaks)
+  INT_ATTR    (PANGO_ATTR_SHOW, show_spaces)
+  INT_ATTR    (PANGO_ATTR_INSERT_HYPHENS, insert_hyphens)
+}
+
+typedef struct
+{
+  GMarkupParseContext *parser;
+  char *markup;
+  gsize pos;
+  gsize len;
+  GtkTextBuffer *buffer;
+  GtkTextIter iter;
+  GtkTextMark *mark;
+  PangoAttrList *attributes;
+  char *text;
+  PangoAttrIterator *attr;
+} MarkupData;
+
+static void
+free_markup_data (MarkupData *mdata)
+{
+  g_free (mdata->markup);
+  g_clear_pointer (&mdata->parser, g_markup_parse_context_free);
+  gtk_text_buffer_delete_mark (mdata->buffer, mdata->mark);
+  g_clear_pointer (&mdata->attr, pango_attr_iterator_destroy);
+  g_clear_pointer (&mdata->attributes, pango_attr_list_unref);
+  g_free (mdata->text);
+  g_object_unref (mdata->buffer);
+  g_free (mdata);
+}
+
+static gboolean
+insert_markup_idle (gpointer data)
+{
+  MarkupData *mdata = data;
+  gint64 begin;
+
+  begin = g_get_monotonic_time ();
+
+  do
+    {
+      int start, end;
+      int start_offset;
+      GtkTextIter start_iter;
+
+      if (g_get_monotonic_time () - begin > G_TIME_SPAN_MILLISECOND)
+        {
+          g_idle_add (insert_markup_idle, data);
+          return G_SOURCE_REMOVE;
+        }
+
+      pango_attr_iterator_range (mdata->attr, &start, &end);
+
+      if (end == G_MAXINT) /* last chunk */
+        end = start - 1; /* resulting in -1 to be passed to _insert */
+
+      start_offset = gtk_text_iter_get_offset (&mdata->iter);
+      gtk_text_buffer_insert (mdata->buffer, &mdata->iter, mdata->text + start, end - start);
+      gtk_text_buffer_get_iter_at_offset (mdata->buffer, &start_iter, start_offset);
+
+      insert_tags_for_attributes (mdata->buffer, mdata->attr, &start_iter, &mdata->iter);
+
+      gtk_text_buffer_get_iter_at_mark (mdata->buffer, &mdata->iter, mdata->mark);
+    }
+  while (pango_attr_iterator_next (mdata->attr));
+
+  free_markup_data (mdata);
+  return G_SOURCE_REMOVE;
+}
+
+static gboolean
+parse_markup_idle (gpointer data)
+{
+  MarkupData *mdata = data;
+  gint64 begin;
+  GError *error = NULL;
+
+  begin = g_get_monotonic_time ();
+
+  do {
+    if (g_get_monotonic_time () - begin > G_TIME_SPAN_MILLISECOND)
+      {
+        g_idle_add (parse_markup_idle, data);
+        return G_SOURCE_REMOVE;
+      }
+
+    if (!g_markup_parse_context_parse (mdata->parser,
+                                       mdata->markup + mdata->pos,
+                                       MIN (4096, mdata->len - mdata->pos),
+                                       &error))
+      {
+        g_warning ("Invalid markup string: %s", error->message);
+        g_error_free (error);
+        free_markup_data (mdata);
+        return G_SOURCE_REMOVE;
+      }
+
+    mdata->pos += 4096;
+  } while (mdata->pos < mdata->len);
+
+  if (!pango_markup_parser_finish (mdata->parser,
+                                   &mdata->attributes,
+                                   &mdata->text,
+                                   NULL,
+                                   &error))
+    {
+      g_warning ("Invalid markup string: %s", error->message);
+      g_error_free (error);
+      free_markup_data (mdata);
+      return G_SOURCE_REMOVE;
+    }
+
+  if (!mdata->attributes)
+    {
+      gtk_text_buffer_insert (mdata->buffer, &mdata->iter, mdata->text, -1);
+      free_markup_data (mdata);
+      return G_SOURCE_REMOVE;
+    }
+
+  mdata->attr = pango_attr_list_get_iterator (mdata->attributes);
+  insert_markup_idle (data);
+
+  return G_SOURCE_REMOVE;
+}
+
+/* Takes a ref on @buffer while it is operating,
+ * and consumes @markup.
+ */
+static void
+insert_markup (GtkTextBuffer *buffer,
+               GtkTextIter   *iter,
+               char          *markup,
+               int            len)
+{
+  MarkupData *data;
+
+  g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+  data = g_new0 (MarkupData, 1);
+
+  data->buffer = g_object_ref (buffer);
+  data->iter = *iter;
+  data->markup = markup;
+  data->len = len;
+
+  data->parser = pango_markup_parser_new (0);
+  data->pos = 0;
+
+  /* create mark with right gravity */
+  data->mark = gtk_text_buffer_create_mark (buffer, NULL, iter, FALSE);
+
+  parse_markup_idle (data);
+}
+
+static void
+fontify_finish (GObject      *source,
+                GAsyncResult *result,
+                gpointer      data)
+{
+  GSubprocess *subprocess = G_SUBPROCESS (source);
+  GtkTextBuffer *buffer = data;
+  GBytes *stdout_buf = NULL;
+  GBytes *stderr_buf = NULL;
+  GError *error = NULL;
+
+  if (!g_subprocess_communicate_finish (subprocess,
+                                        result,
+                                        &stdout_buf,
+                                        &stderr_buf,
+                                        &error))
+    {
+      g_clear_pointer (&stdout_buf, g_bytes_unref);
+      g_clear_pointer (&stderr_buf, g_bytes_unref);
+
+      g_warning ("%s", error->message);
+      g_clear_error (&error);
+
+      g_object_unref (subprocess);
+      g_object_unref (buffer);
+      return;
+    }
+
+  if (g_subprocess_get_exit_status (subprocess) != 0)
+    {
+      if (stderr_buf)
+        g_warning ("%s", (char *)g_bytes_get_data (stderr_buf, NULL));
+      g_clear_pointer (&stderr_buf, g_bytes_unref);
+    }
+
+  g_object_unref (subprocess);
+
+  g_clear_pointer (&stderr_buf, g_bytes_unref);
+
+  if (stdout_buf)
+    {
+      char *markup;
+      gsize len;
+      char *p;
+      GtkTextIter start;
+
+      gtk_text_buffer_set_text (buffer, "", 0);
+
+      /* highlight puts a span with font and size around its output,
+       * which we don't want.
+       */
+      markup = g_bytes_unref_to_data (stdout_buf, &len);
+      for (p = markup + strlen ("<span "); *p != '>'; p++) *p = ' ';
+
+      gtk_text_buffer_get_start_iter (buffer, &start);
+      insert_markup (buffer, &start, markup, len);
+   }
+
+  g_object_unref (buffer);
+}
+
+void
+fontify (const char    *format,
+         GtkTextBuffer *source_buffer)
+{
+  GSubprocess *subprocess;
+  char *format_arg;
+  GtkSettings *settings;
+  char *theme;
+  gboolean prefer_dark;
+  const char *style_arg;
+  const char *text;
+  GtkTextIter start, end;
+  GBytes *bytes;
+  GError *error = NULL;
+
+  settings = gtk_settings_get_default ();
+  g_object_get (settings,
+                "gtk-theme-name", &theme,
+                "gtk-application-prefer-dark-theme", &prefer_dark,
+                NULL);
+
+  if (prefer_dark || strcmp (theme, "HighContrastInverse") == 0)
+    style_arg = "--style=edit-vim-dark";
+  else
+    style_arg = "--style=edit-kwrite";
+
+  g_free (theme);
+
+  format_arg = g_strconcat ("--syntax=", format, NULL);
+  subprocess = g_subprocess_new (G_SUBPROCESS_FLAGS_STDIN_PIPE |
+                                 G_SUBPROCESS_FLAGS_STDOUT_PIPE |
+                                 G_SUBPROCESS_FLAGS_STDERR_PIPE,
+                                 &error,
+                                 "highlight",
+                                 format_arg,
+                                 "--out-format=pango",
+                                 style_arg,
+                                 NULL);
+  g_free (format_arg);
+
+  if (!subprocess)
+    {
+      if (g_error_matches (error, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT))
+        {
+          static gboolean warned = FALSE;
+
+          if (!warned)
+            {
+              warned = TRUE;
+              g_message ("For syntax highlighting, install the “highlight” program");
+            }
+        }
+      else
+        g_warning ("%s", error->message);
+
+      g_clear_error (&error);
+
+      return;
+    }
+
+  gtk_text_buffer_get_bounds (source_buffer, &start, &end);
+  text = gtk_text_buffer_get_text (source_buffer, &start, &end, TRUE);
+  bytes = g_bytes_new_static (text, strlen (text));
+
+#ifdef HAVE_GIO_UNIX
+  /* Work around https://gitlab.gnome.org/GNOME/glib/-/issues/2182 */
+  if (G_IS_UNIX_OUTPUT_STREAM (g_subprocess_get_stdin_pipe (subprocess)))
+    {
+      GOutputStream *stdin_pipe = g_subprocess_get_stdin_pipe (subprocess);
+      int fd = g_unix_output_stream_get_fd (G_UNIX_OUTPUT_STREAM (stdin_pipe));
+      fcntl (fd, F_SETFL, O_NONBLOCK);
+    }
+#endif
+
+  g_subprocess_communicate_async (subprocess,
+                                  bytes,
+                                  NULL,
+                                  fontify_finish,
+                                  g_object_ref (source_buffer));
+}

demos/gtk-demo/fontify.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <gtk/gtk.h>
+
+void fontify (const char    *format,
+              GtkTextBuffer *buffer);

demos/gtk-demo/fontplane.c

@@ -36,11 +36,11 @@ adjustment_get_normalized_value (GtkAdjustment *adj)
 
 static void
 val_to_xy (GtkFontPlane *plane,
-           gint          *x,
-           gint          *y)
+           int           *x,
+           int           *y)
 {
-  gdouble u, v;
-  gint width, height;
+  double u, v;
+  int width, height;
 
   width = gtk_widget_get_allocated_width (GTK_WIDGET (plane));
   height = gtk_widget_get_allocated_height (GTK_WIDGET (plane));
@@ -57,8 +57,8 @@ plane_snapshot (GtkWidget   *widget,
                 GtkSnapshot *snapshot)
 {
   GtkFontPlane *plane = GTK_FONT_PLANE (widget);
-  gint x, y;
-  gint width, height;
+  int x, y;
+  int width, height;
   cairo_t *cr;
 
   val_to_xy (plane, &x, &y);
@@ -125,11 +125,11 @@ adjustment_set_normalized_value (GtkAdjustment *adj,
 
 static void
 update_value (GtkFontPlane *plane,
-              gint           x,
-              gint           y)
+              int            x,
+              int            y)
 {
   GtkWidget *widget = GTK_WIDGET (plane);
-  gdouble u, v;
+  double u, v;
 
   u = CLAMP (x * (1.0 / gtk_widget_get_allocated_width (widget)), 0, 1);
   v = CLAMP (1 - y * (1.0 / gtk_widget_get_allocated_height (widget)), 0, 1);
@@ -142,8 +142,8 @@ update_value (GtkFontPlane *plane,
 
 static void
 plane_drag_gesture_begin (GtkGestureDrag *gesture,
-                          gdouble         start_x,
-                          gdouble         start_y,
+                          double          start_x,
+                          double          start_y,
                           GtkFontPlane  *plane)
 {
   guint button;
@@ -164,11 +164,11 @@ plane_drag_gesture_begin (GtkGestureDrag *gesture,
 
 static void
 plane_drag_gesture_update (GtkGestureDrag *gesture,
-                           gdouble         offset_x,
-                           gdouble         offset_y,
+                           double          offset_x,
+                           double          offset_y,
                            GtkFontPlane  *plane)
 {
-  gdouble start_x, start_y;
+  double start_x, start_y;
 
   gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (gesture),
                                     &start_x, &start_y);
@@ -177,8 +177,8 @@ plane_drag_gesture_update (GtkGestureDrag *gesture,
 
 static void
 plane_drag_gesture_end (GtkGestureDrag *gesture,
-                        gdouble         offset_x,
-                        gdouble         offset_y,
+                        double          offset_x,
+                        double          offset_y,
                         GtkFontPlane  *plane)
 {
   set_cross_cursor (GTK_WIDGET (plane), FALSE);

demos/gtk-demo/fontrendering.c

@@ -19,13 +19,7 @@ static GtkWidget *show_extents = NULL;
 
 static PangoContext *context;
 
-static int scale = 10;
-
-static void
-on_destroy (gpointer data)
-{
-  window = NULL;
-}
+static int scale = 9;
 
 static void
 update_image (void)
@@ -251,9 +245,7 @@ do_fontrendering (GtkWidget *do_widget)
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
-      g_signal_connect (window, "destroy",
-                        G_CALLBACK (on_destroy), NULL);
-      g_object_set_data_full (G_OBJECT (window), "builder", builder, g_object_unref);
+      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
       font_button = GTK_WIDGET (gtk_builder_get_object (builder, "font_button"));
       up_button = GTK_WIDGET (gtk_builder_get_object (builder, "up_button"));
       down_button = GTK_WIDGET (gtk_builder_get_object (builder, "down_button"));
@@ -276,6 +268,8 @@ do_fontrendering (GtkWidget *do_widget)
       g_signal_connect (show_extents, "notify::active", G_CALLBACK (update_image), NULL);
 
       update_image ();
+
+      g_object_unref (builder);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/fontrendering.ui

@@ -6,164 +6,11 @@
     <property name="page-increment">4</property>
   </object>
   <object class="GtkWindow" id="window">
-    <property name="default-width">600</property>
-    <property name="default-height">300</property>
-    <property name="title">Font rendering</property>
-    <child>
-      <object class="GtkGrid">
-        <property name="margin-top">10</property>
-        <property name="row-spacing">10</property>
-        <property name="column-spacing">10</property>
-        <child>
-          <object class="GtkLabel">
-            <property name="margin-start">10</property>
-            <property name="label">Text</property>
-            <property name="xalign">1</property>
-            <style>
-              <class name="dim-label"/>
-            </style>
-          </object>
-        </child>
-        <child>
-          <object class="GtkEntry" id="entry">
-            <property name="text">Fonts render</property>
-            <layout>
-              <property name="left-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkLabel">
-            <property name="margin-start">10</property>
-            <property name="label">Font</property>
-            <property name="xalign">1</property>
-            <style>
-              <class name="dim-label"/>
-            </style>
-            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkFontButton" id="font_button">
-            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkLabel">
-            <property name="label">Hinting</property>
-            <property name="xalign">1</property>
-            <style>
-              <class name="dim-label"/>
-            </style>
-            <layout>
-              <property name="left-attach">2</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkComboBoxText" id="hinting">
-            <property name="active">0</property>
-            <property name="valign">center</property>
-            <items>
-              <item translatable="yes" id="none">None</item>
-              <item translatable="yes" id="slight">Slight</item>
-              <item translatable="yes" id="medium">Medium</item>
-              <item translatable="yes" id="full">Full</item>
-            </items>
-            <layout>
-              <property name="left-attach">3</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkCheckButton" id="hint_metrics">
-            <child>
-              <object class="GtkLabel">
-                <property name="label">Hint Metrics</property>
-                <style>
-                  <class name="dim-label"/>
-                </style>
-              </object>
-            </child>
-            <layout>
-              <property name="left-attach">3</property>
-              <property name="top-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkCheckButton" id="show_extents">
-            <property name="active">1</property>
-            <child>
-              <object class="GtkLabel">
-                <property name="label">Show Extents</property>
-                <style>
-                  <class name="dim-label"/>
-                </style>
-              </object>
-            </child>
-            <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">0</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkCheckButton" id="show_grid">
-            <property name="active">1</property>
-            <child>
-              <object class="GtkLabel">
-                <property name="label">Show Grid</property>
-                <style>
-                  <class name="dim-label"/>
-                </style>
-              </object>
-            </child>
-            <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="up_button">
-            <property name="icon-name">list-add-symbolic</property>
-            <style>
-              <class name="circular"/>
-            </style>
-            <layout>
-              <property name="left-attach">5</property>
-              <property name="top-attach">0</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="down_button">
-            <property name="icon-name">list-remove-symbolic</property>
-            <style>
-              <class name="circular"/>
-            </style>
-            <layout>
-              <property name="left-attach">5</property>
-              <property name="top-attach">1</property>
-            </layout>
-          </object>
-        </child>
-        <child>
-          <object class="GtkLabel">
-            <property name="hexpand">1</property>
-            <layout>
-              <property name="left-attach">6</property>
-            </layout>
-          </object>
-        </child>
-        <child>
+    <property name="default-width">1080</property>
+    <property name="default-height">430</property>
+    <child type="titlebar">
+      <object class="GtkHeaderBar">
+        <child type="title">
           <object class="GtkBox">
             <property name="halign">center</property>
             <property name="valign">center</property>
@@ -183,17 +30,180 @@
                 <property name="group">text_radio</property>
               </object>
             </child>
-            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
-              <property name="column-span">7</property>
-            </layout>
           </object>
         </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkBox">
+        <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkGrid">
+            <property name="halign">center</property>
+            <property name="margin-top">10</property>
+            <property name="margin-bottom">10</property>
+            <property name="row-spacing">10</property>
+            <property name="column-spacing">10</property>
+            <child>
+              <object class="GtkLabel">
+                <property name="margin-start">10</property>
+                <property name="label">Text</property>
+                <property name="xalign">1</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
+                <layout>
+                  <property name="column">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkEntry" id="entry">
+                <property name="text">Fonts render</property>
+                <layout>
+                  <property name="column">2</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel">
+                <property name="margin-start">10</property>
+                <property name="label">Font</property>
+                <property name="xalign">1</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
+                <layout>
+                  <property name="column">1</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkFontButton" id="font_button">
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel">
+                <property name="label">Hinting</property>
+                <property name="xalign">1</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
+                <layout>
+                  <property name="column">3</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkComboBoxText" id="hinting">
+                <property name="active">0</property>
+                <property name="valign">center</property>
+                <items>
+                  <item translatable="yes" id="none">None</item>
+                  <item translatable="yes" id="slight">Slight</item>
+                  <item translatable="yes" id="medium">Medium</item>
+                  <item translatable="yes" id="full">Full</item>
+                </items>
+                <layout>
+                  <property name="column">4</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkCheckButton" id="hint_metrics">
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label">Hint Metrics</property>
+                    <style>
+                      <class name="dim-label"/>
+                    </style>
+                  </object>
+                </child>
+                <layout>
+                  <property name="column">4</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkCheckButton" id="show_extents">
+                <property name="active">1</property>
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label">Show Extents</property>
+                    <style>
+                      <class name="dim-label"/>
+                    </style>
+                  </object>
+                </child>
+                <layout>
+                  <property name="column">5</property>
+                  <property name="row">0</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkCheckButton" id="show_grid">
+                <property name="active">1</property>
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label">Show Grid</property>
+                    <style>
+                      <class name="dim-label"/>
+                    </style>
+                  </object>
+                </child>
+                <layout>
+                  <property name="column">5</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkButton" id="up_button">
+                <property name="icon-name">list-add-symbolic</property>
+                <style>
+                  <class name="circular"/>
+                </style>
+                <layout>
+                  <property name="column">6</property>
+                  <property name="row">0</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkButton" id="down_button">
+                <property name="icon-name">list-remove-symbolic</property>
+                <style>
+                  <class name="circular"/>
+                </style>
+                <layout>
+                  <property name="column">6</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkLabel">
+                <property name="hexpand">1</property>
+                <layout>
+                  <property name="column">7</property>
+                </layout>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkSeparator"/>
+        </child>
         <child>
           <object class="GtkScrolledWindow">
             <property name="propagate-natural-height">1</property>
-            <property name="has-frame">1</property>
             <property name="hexpand">1</property>
             <property name="vexpand">1</property>
             <child>
@@ -203,11 +213,6 @@
                 <property name="can-shrink">0</property>
               </object>
             </child>
-            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
-              <property name="column-span">7</property>
-            </layout>
           </object>
         </child>
       </object>

demos/gtk-demo/gestures.c

@@ -9,8 +9,8 @@
 
 static GtkGesture *rotate = NULL;
 static GtkGesture *zoom = NULL;
-static gdouble swipe_x = 0;
-static gdouble swipe_y = 0;
+static double swipe_x = 0;
+static double swipe_y = 0;
 static gboolean long_pressed = FALSE;
 
 static gboolean
@@ -26,8 +26,8 @@ touchpad_swipe_gesture_begin (GtkGesture       *gesture,
 
 static void
 swipe_gesture_swept (GtkGestureSwipe *gesture,
-                     gdouble          velocity_x,
-                     gdouble          velocity_y,
+                     double           velocity_x,
+                     double           velocity_y,
                      GtkWidget       *widget)
 {
   swipe_x = velocity_x / 10;
@@ -37,8 +37,8 @@ swipe_gesture_swept (GtkGestureSwipe *gesture,
 
 static void
 long_press_gesture_pressed (GtkGestureLongPress *gesture,
-                            gdouble              x,
-                            gdouble              y,
+                            double               x,
+                            double               y,
                             GtkWidget           *widget)
 {
   long_pressed = TRUE;
@@ -56,8 +56,8 @@ long_press_gesture_end (GtkGesture       *gesture,
 
 static void
 rotation_angle_changed (GtkGestureRotate *gesture,
-                        gdouble           angle,
-                        gdouble           delta,
+                        double            angle,
+                        double            delta,
                         GtkWidget        *widget)
 {
   gtk_widget_queue_draw (widget);
@@ -65,7 +65,7 @@ rotation_angle_changed (GtkGestureRotate *gesture,
 
 static void
 zoom_scale_changed (GtkGestureZoom *gesture,
-                    gdouble         scale,
+                    double          scale,
                     GtkWidget      *widget)
 {
   gtk_widget_queue_draw (widget);
@@ -93,8 +93,8 @@ drawing_area_draw (GtkDrawingArea *area,
     {
       cairo_pattern_t *pat;
       cairo_matrix_t matrix;
-      gdouble angle, scale;
-      gdouble x_center, y_center;
+      double angle, scale;
+      double x_center, y_center;
 
       gtk_gesture_get_bounding_box_center (GTK_GESTURE (zoom), &x_center, &y_center);
 

demos/gtk-demo/glarea-gles.fs.glsl

@@ -1,7 +1,7 @@
 precision highp float;
 
 void main() {
-  float lerpVal = gl_FragCoord.y / 500.0f;
+  float lerpVal = gl_FragCoord.y / 500.0;
 
-  gl_FragColor = mix(vec4(1.0f, 0.85f, 0.35f, 1.0f), vec4(0.2f, 0.2f, 0.2f, 1.0f), lerpVal);
+  gl_FragColor = mix(vec4(1.0, 0.85, 0.35, 1.0), vec4(0.2, 0.2, 0.2, 1.0), lerpVal);
 }

demos/gtk-demo/gtkfishbowl.c

@@ -98,7 +98,7 @@ gtk_fishbowl_measure (GtkWidget      *widget,
   GHashTableIter iter;
   gpointer key, value;
   GtkFishbowlChild *child;
-  gint child_min, child_nat;
+  int child_min, child_nat;
 
   *minimum = 0;
   *natural = 0;

demos/gtk-demo/gtkgears.c

@@ -305,7 +305,7 @@ create_gear (GLfloat inner_radius,
     /* Create the 7 points (only x,y coords) used to draw a tooth */
     struct point p[7];
 
-    /* Calculate needed sin/cos for varius angles */
+    /* Calculate needed sin/cos for various angles */
     sincos(i * 2.0 * G_PI / teeth + da * 0, &s[0], &c[0]);
     sincos(i * 2.0 * M_PI / teeth + da * 1, &s[1], &c[1]);
     sincos(i * 2.0 * M_PI / teeth + da * 2, &s[2], &c[2]);
@@ -800,7 +800,7 @@ gtk_gears_realize (GtkWidget *widget)
   priv->LightSourcePosition_location = glGetUniformLocation(program, "LightSourcePosition");
   priv->MaterialColor_location = glGetUniformLocation(program, "MaterialColor");
 
-  /* Set the LightSourcePosition uniform which is constant throught the program */
+  /* Set the LightSourcePosition uniform which is constant throughout the program */
   glUniform4fv(priv->LightSourcePosition_location, 1, priv->LightSourcePosition);
 
   /* make the gears */

demos/gtk-demo/hypertext.c

@@ -18,7 +18,7 @@ static void
 insert_link (GtkTextBuffer *buffer,
              GtkTextIter   *iter,
              const char    *text,
-             gint           page)
+             int            page)
 {
   GtkTextTag *tag;
 
@@ -35,7 +35,7 @@ insert_link (GtkTextBuffer *buffer,
  */
 static void
 show_page (GtkTextBuffer *buffer,
-           gint           page)
+           int            page)
 {
   GtkTextIter iter;
 
@@ -91,7 +91,7 @@ follow_if_link (GtkWidget   *text_view,
   for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
     {
       GtkTextTag *tag = tagp->data;
-      gint page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
+      int page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
 
       if (page != 0)
         {
@@ -134,14 +134,14 @@ key_pressed (GtkEventController *controller,
 }
 
 static void set_cursor_if_appropriate (GtkTextView *text_view,
-                                       gint         x,
-                                       gint         y);
+                                       int          x,
+                                       int          y);
 
 static void
 released_cb (GtkGestureClick *gesture,
              guint            n_press,
-             gdouble          x,
-             gdouble          y,
+             double           x,
+             double           y,
              GtkWidget       *text_view)
 {
   GtkTextIter start, end, iter;
@@ -168,8 +168,8 @@ released_cb (GtkGestureClick *gesture,
 
 static void
 motion_cb (GtkEventControllerMotion *controller,
-           gdouble                   x,
-           gdouble                   y,
+           double                    x,
+           double                    y,
            GtkTextView              *text_view)
 {
   set_cursor_if_appropriate (text_view, x, y);
@@ -183,8 +183,8 @@ static gboolean hovering_over_link = FALSE;
  */
 static void
 set_cursor_if_appropriate (GtkTextView    *text_view,
-                           gint            x,
-                           gint            y)
+                           int             x,
+                           int             y)
 {
   GSList *tags = NULL, *tagp = NULL;
   GtkTextIter iter;
@@ -196,7 +196,7 @@ set_cursor_if_appropriate (GtkTextView    *text_view,
       for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
         {
           GtkTextTag *tag = tagp->data;
-          gint page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
+          int page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
 
           if (page != 0)
             {

demos/gtk-demo/iconscroll.c

@@ -75,10 +75,10 @@ populate_icons (void)
 static char *content;
 static gsize content_len;
 
-extern void fontify (GtkTextBuffer *buffer);
+extern void fontify (const char *format, GtkTextBuffer *buffer);
 
 static void
-populate_text (gboolean hilight)
+populate_text (gboolean highlight)
 {
   GtkWidget *textview;
   GtkTextBuffer *buffer;
@@ -94,8 +94,8 @@ populate_text (gboolean hilight)
   buffer = gtk_text_buffer_new (NULL);
   gtk_text_buffer_set_text (buffer, content, (int)content_len);
 
-  if (hilight)
-    fontify (buffer);
+  if (highlight)
+    fontify ("c", buffer);
 
   textview = gtk_text_view_new ();
   gtk_text_view_set_buffer (GTK_TEXT_VIEW (textview), buffer);
@@ -153,14 +153,20 @@ populate_list (void)
 }
 
 extern GtkWidget *create_color_grid (void);
+extern GListModel *gtk_color_list_new (guint size);
 
 static void
 populate_grid (void)
 {
   GtkWidget *list;
+  GtkNoSelection *selection;
 
   list = create_color_grid ();
 
+  selection = gtk_no_selection_new (gtk_color_list_new (2097152));
+  gtk_grid_view_set_model (GTK_GRID_VIEW (list), G_LIST_MODEL (selection));
+  g_object_unref (selection);
+
   hincrement = 0;
   vincrement = 5;
 
@@ -220,7 +226,7 @@ set_widget_type (int type)
   tick_cb = gtk_widget_add_tick_callback (window, scroll_cb, NULL, NULL);
 }
 
-void
+G_MODULE_EXPORT void
 iconscroll_next_clicked_cb (GtkButton *source,
                             gpointer   user_data)
 {
@@ -235,7 +241,7 @@ iconscroll_next_clicked_cb (GtkButton *source,
   set_widget_type (new_index);
 }
 
-void
+G_MODULE_EXPORT void
 iconscroll_prev_clicked_cb (GtkButton *source,
                             gpointer   user_data)
 {
@@ -249,7 +255,7 @@ iconscroll_prev_clicked_cb (GtkButton *source,
   set_widget_type (new_index);
 }
 
-GtkWidget *
+G_MODULE_EXPORT GtkWidget *
 do_iconscroll (GtkWidget *do_widget)
 {
   if (!window)

demos/gtk-demo/iconview.c

@@ -25,7 +25,7 @@ enum
 
 
 static GdkPixbuf *file_pixbuf, *folder_pixbuf;
-gchar *parent;
+char *parent;
 GtkWidget *up_button;
 
 /* Loads the images for the demo and returns whether the operation succeeded */
@@ -47,7 +47,7 @@ static void
 fill_store (GtkListStore *store)
 {
   GDir *dir;
-  const gchar *name;
+  const char *name;
   GtkTreeIter iter;
 
   /* First clear the store */
@@ -62,7 +62,7 @@ fill_store (GtkListStore *store)
   name = g_dir_read_name (dir);
   while (name != NULL)
     {
-      gchar *path, *display_name;
+      char *path, *display_name;
       gboolean is_dir;
 
       /* We ignore hidden files that start with a '.' */
@@ -90,14 +90,14 @@ fill_store (GtkListStore *store)
   g_dir_close (dir);
 }
 
-static gint
+static int
 sort_func (GtkTreeModel *model,
            GtkTreeIter  *a,
            GtkTreeIter  *b,
            gpointer      user_data)
 {
   gboolean is_dir_a, is_dir_b;
-  gchar *name_a, *name_b;
+  char *name_a, *name_b;
   int ret;
 
   /* We need this function because we want to sort
@@ -158,7 +158,7 @@ item_activated (GtkIconView *icon_view,
                 gpointer     user_data)
 {
   GtkListStore *store;
-  gchar *path;
+  char *path;
   GtkTreeIter iter;
   gboolean is_dir;
 
@@ -192,7 +192,7 @@ up_clicked (GtkButton *item,
             gpointer   user_data)
 {
   GtkListStore *store;
-  gchar *dir_name;
+  char *dir_name;
 
   store = GTK_LIST_STORE (user_data);
 

demos/gtk-demo/iconview_edit.c

@@ -19,8 +19,8 @@ static void
 fill_store (GtkListStore *store)
 {
   GtkTreeIter iter;
-  const gchar *text[] = { "Red", "Green", "Blue", "Yellow" };
-  gint i;
+  const char *text[] = { "Red", "Green", "Blue", "Yellow" };
+  int i;
 
   /* First clear the store */
   gtk_list_store_clear (store);
@@ -49,7 +49,7 @@ set_cell_color (GtkCellLayout   *cell_layout,
                 GtkTreeIter     *iter,
                 gpointer         data)
 {
-  gchar *text;
+  char *text;
   GdkRGBA color;
   guint32 pixel = 0;
   GdkPixbuf *pixbuf;
@@ -60,10 +60,10 @@ set_cell_color (GtkCellLayout   *cell_layout,
 
   if (gdk_rgba_parse (&color, text))
     pixel =
-      ((gint)(color.red * 255)) << 24 |
-      ((gint)(color.green * 255)) << 16 |
-      ((gint)(color.blue  * 255)) << 8 |
-      ((gint)(color.alpha * 255));
+      ((int)(color.red * 255)) << 24 |
+      ((int)(color.green * 255)) << 16 |
+      ((int)(color.blue  * 255)) << 8 |
+      ((int)(color.alpha * 255));
 
   g_free (text);
 
@@ -77,8 +77,8 @@ set_cell_color (GtkCellLayout   *cell_layout,
 
 static void
 edited (GtkCellRendererText *cell,
-        gchar               *path_string,
-        gchar               *text,
+        char                *path_string,
+        char                *text,
         gpointer             data)
 {
   GtkTreeModel *model;

demos/gtk-demo/images.c

@@ -43,10 +43,10 @@ progressive_prepared_callback (GdkPixbufLoader *loader,
 
 static void
 progressive_updated_callback (GdkPixbufLoader *loader,
-                              gint                 x,
-                              gint                 y,
-                              gint                 width,
-                              gint                 height,
+                              int                  x,
+                              int                  y,
+                              int                  width,
+                              int                  height,
                               gpointer     data)
 {
   GtkWidget *picture;
@@ -58,7 +58,7 @@ progressive_updated_callback (GdkPixbufLoader *loader,
   gtk_picture_set_pixbuf (GTK_PICTURE (picture), pixbuf);
 }
 
-static gint
+static int
 progressive_timeout (gpointer data)
 {
   GtkWidget *picture;
@@ -240,11 +240,11 @@ progressive_timeout (gpointer data)
 
       pixbuf_loader = gdk_pixbuf_loader_new ();
 
-      g_signal_connect (pixbuf_loader, "area-prepared",
-                        G_CALLBACK (progressive_prepared_callback), picture);
+      g_signal_connect_object (pixbuf_loader, "area-prepared",
+                               G_CALLBACK (progressive_prepared_callback), picture, 0);
 
-      g_signal_connect (pixbuf_loader, "area-updated",
-                        G_CALLBACK (progressive_updated_callback), picture);
+      g_signal_connect_object (pixbuf_loader, "area-updated",
+                               G_CALLBACK (progressive_updated_callback), picture, 0);
     }
 
   /* leave timeout installed */
@@ -261,14 +261,16 @@ start_progressive_loading (GtkWidget *picture)
    * The timeout simply simulates a slow data source by inserting
    * pauses in the reading process.
    */
-  load_timeout = g_timeout_add (150, progressive_timeout, picture);
+  load_timeout = g_timeout_add (1500, progressive_timeout, picture);
   g_source_set_name_by_id (load_timeout, "[gtk] progressive_timeout");
 }
 
 static void
-cleanup_callback (GObject   *object,
-                  gpointer   data)
+cleanup_callback (gpointer  data,
+                  GObject  *former_object)
 {
+  *(gpointer**)data = NULL;
+
   if (load_timeout)
     {
       g_source_remove (load_timeout);
@@ -327,10 +329,7 @@ do_images (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Images");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      g_signal_connect (window, "destroy",
-                        G_CALLBACK (cleanup_callback), NULL);
+      g_object_weak_ref (G_OBJECT (window), cleanup_callback, &window);
 
       base_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_widget_set_margin_start (base_vbox, 16);

demos/gtk-demo/infobar.c

@@ -8,7 +8,7 @@
 
 static void
 on_bar_response (GtkInfoBar *info_bar,
-                 gint        response_id,
+                 int         response_id,
                  gpointer    user_data)
 {
   GtkWidget *dialog;

demos/gtk-demo/layoutmanager.c

@@ -0,0 +1,61 @@
+/* Layout Manager
+ *
+ * This examples shows a simple example of a custom layout manager
+ * and a widget using it. The layout manager places the children
+ * of the widget in a grid or a circle, or something in between.
+ *
+ * The widget is animating the transition between the two layouts.
+ * Click to start the transition.
+ */
+
+#include <gtk/gtk.h>
+
+#include "demowidget.h"
+#include "demochild.h"
+
+
+GtkWidget *
+do_layoutmanager (GtkWidget *parent)
+{
+  static GtkWidget *window = NULL;
+
+  if (!window)
+    {
+      GtkWidget *widget;
+      GtkWidget *child;
+      const char *color[] = {
+        "red", "orange", "yellow", "green",
+        "blue", "grey", "magenta", "lime",
+        "yellow", "firebrick", "aqua", "purple",
+        "tomato", "pink", "thistle", "maroon"
+      };
+      int i;
+
+      window = gtk_window_new ();
+      gtk_window_set_title (GTK_WINDOW (window), "Layout Manager");
+      gtk_window_set_default_size (GTK_WINDOW (window), 600, 600);
+      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
+
+      widget = demo_widget_new ();
+
+      for (i = 0; i < 16; i++)
+        {
+          child = demo_child_new (color[i]);
+          gtk_widget_set_margin_start (child, 4);
+          gtk_widget_set_margin_end (child, 4);
+          gtk_widget_set_margin_top (child, 4);
+          gtk_widget_set_margin_bottom (child, 4);
+          demo_widget_add_child (DEMO_WIDGET (widget), child);
+        }
+
+      gtk_window_set_child (GTK_WINDOW (window), widget);
+    }
+
+  if (!gtk_widget_get_visible (window))
+    gtk_widget_show (window);
+  else
+    gtk_window_destroy (GTK_WINDOW (window));
+
+  return window;
+
+}

demos/gtk-demo/links.c

@@ -9,7 +9,7 @@
 
 static void
 response_cb (GtkWidget *dialog,
-             gint       response_id,
+             int        response_id,
              gpointer   data)
 {
   gtk_window_destroy (GTK_WINDOW (dialog));
@@ -17,7 +17,7 @@ response_cb (GtkWidget *dialog,
 
 static gboolean
 activate_link (GtkWidget   *label,
-               const gchar *uri,
+               const char *uri,
                gpointer     data)
 {
   if (g_strcmp0 (uri, "keynav") == 0)

demos/gtk-demo/list_store.c

@@ -47,7 +47,7 @@ static Bug bugs[] =
   { FALSE, 56925, "Normal",     "Gtkcalender size" },
   { FALSE, 56221, "Normal",     "Selectable label needs right-click copy menu" },
   { TRUE,  50939, "Normal",     "Add shift clicking to GtkTextView" },
-  { FALSE, 6112,  "Enhancement","netscape-like collapsable toolbars" },
+  { FALSE, 6112,  "Enhancement","netscape-like collapsible toolbars" },
   { FALSE, 1,     "Normal",     "First bug :=)" },
 };
 
@@ -81,7 +81,7 @@ spinner_timeout (gpointer data)
 static GtkTreeModel *
 create_model (void)
 {
-  gint i = 0;
+  int i = 0;
   GtkListStore *store;
   GtkTreeIter iter;
 

demos/gtk-demo/listbox.c

@@ -1,4 +1,4 @@
-/* List Box
+/* List Box/Complex list
  *
  * GtkListBox allows lists with complicated layouts, using
  * regular widgets supporting sorting and filtering.

demos/gtk-demo/listbox.ui

@@ -26,8 +26,8 @@
             <property name="margin-end">8</property>
             <property name="icon-name">image-missing</property>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
               <property name="row-span">5</property>
             </layout>
           </object>
@@ -71,8 +71,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -84,12 +84,9 @@
             <property name="yalign">0</property>
             <property name="label" translatable="0">Message</property>
             <property name="wrap">1</property>
-            <accessibility>
-              <role type="static"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -114,8 +111,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -168,8 +165,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -184,27 +181,17 @@
                     <property name="margin-bottom">2</property>
                     <property name="spacing">8</property>
                     <child>
-                      <object class="GtkFrame" id="frame1">
-                        <child>
-                          <object class="GtkLabel" id="n_reshares_label">
-                            <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
+                      <object class="GtkLabel" id="n_reshares_label">
+                        <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
 Reshares</property>
-                            <property name="use-markup">1</property>
-                          </object>
-                        </child>
-                        <child type="label_item"/>
+                        <property name="use-markup">1</property>
                       </object>
                     </child>
                     <child>
-                      <object class="GtkFrame" id="frame2">
-                        <child>
-                          <object class="GtkLabel" id="n_favorites_label">
-                            <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
+                      <object class="GtkLabel" id="n_favorites_label">
+                        <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
 FAVORITES</property>
-                            <property name="use-markup">1</property>
-                          </object>
-                        </child>
-                        <child type="label_item"/>
+                        <property name="use-markup">1</property>
                       </object>
                     </child>
                   </object>
@@ -234,8 +221,8 @@ FAVORITES</property>
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/listbox2.c

@@ -0,0 +1,71 @@
+/* List Box/Controls
+ *
+ * GtkListBox is well-suited for creating “button strips” — lists of
+ * controls for use in preference dialogs or settings panels. To create
+ * this style of list, use the .rich-list style class.
+ */
+
+#include <gtk/gtk.h>
+
+static GtkWidget *window;
+static GtkWidget *switch_widget;
+static GtkWidget *check;
+static GtkWidget *image;
+
+static void
+row_activated (GtkListBox    *list,
+               GtkListBoxRow *row)
+{
+  if (gtk_widget_is_ancestor (switch_widget, GTK_WIDGET (row)))
+    {
+      gtk_switch_set_active (GTK_SWITCH (switch_widget),
+                             !gtk_switch_get_active (GTK_SWITCH (switch_widget)));
+    }
+  else if (gtk_widget_is_ancestor (check, GTK_WIDGET (row)))
+    {
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check),
+                                    !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)));
+    }
+  else if (gtk_widget_is_ancestor (image, GTK_WIDGET (row)))
+    {
+      gtk_widget_set_opacity (image,
+                              1.0 - gtk_widget_get_opacity (image));
+    }
+}
+
+GtkWidget *
+do_listbox2 (GtkWidget *do_widget)
+{
+  if (!window)
+    {
+      GtkBuilderScope *scope;
+      GtkBuilder *builder;
+
+      scope = gtk_builder_cscope_new ();
+      gtk_builder_cscope_add_callback_symbol (GTK_BUILDER_CSCOPE (scope),
+                                              "row_activated", G_CALLBACK (row_activated));
+      builder = gtk_builder_new ();
+      gtk_builder_set_scope (builder, scope);
+
+      gtk_builder_add_from_resource (builder, "/listbox2/listbox2.ui", NULL);
+
+      window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
+      gtk_window_set_display (GTK_WINDOW (window),
+                              gtk_widget_get_display (do_widget));
+      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
+
+      switch_widget = GTK_WIDGET (gtk_builder_get_object (builder, "switch"));
+      check = GTK_WIDGET (gtk_builder_get_object (builder, "check"));
+      image = GTK_WIDGET (gtk_builder_get_object (builder, "image"));
+
+      g_object_unref (builder);
+      g_object_unref (scope);
+    }
+
+  if (!gtk_widget_get_visible (window))
+    gtk_widget_show (window);
+  else
+    gtk_window_destroy (GTK_WINDOW (window));
+
+  return window;
+}

demos/gtk-demo/listbox2.ui

@@ -0,0 +1,298 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <object class="GtkWindow" id="window">
+    <property name="title" translatable="yes">List Box — Controls</property>
+    <property name="default-height">400</property>
+    <child>
+      <object class="GtkScrolledWindow">
+        <property name="hscrollbar-policy">never</property>
+        <property name="min-content-height">200</property>
+        <property name="hexpand">0</property>
+        <property name="vexpand">1</property>
+        <child>
+          <object class="GtkViewport">
+            <property name="scroll-to-focus">1</property>
+            <child>
+              <object class="GtkBox">
+                <property name="orientation">vertical</property>
+                <property name="margin-start">60</property>
+                <property name="margin-end">60</property>
+                <property name="margin-top">30</property>
+                <property name="margin-bottom">30</property>
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label">Group 1</property>
+                    <property name="xalign">0</property>
+                    <property name="margin-bottom">10</property>
+                    <style>
+                      <class name="title-2"/>
+                    </style>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkFrame">
+                    <child>
+                      <object class="GtkListBox">
+                        <property name="selection-mode">none</property>
+                        <property name="show-separators">1</property>
+                        <signal name="row-activated" handler="row_activated"/>
+                        <style>
+                          <class name="rich-list"/>
+                        </style>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="switch_label">
+                                    <property name="label" translatable="yes">Switch</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkSwitch" id="switch">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="check_label">
+                                    <property name="label" translatable="yes">Check</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkCheckButton" id="check">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="margin-start">10</property>
+                                    <property name="margin-end">10</property>
+                                    <property name="active">1</property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="image_label">
+                                    <property name="label" translatable="yes">Click here!</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkImage" id="image">
+                                    <property name="icon-name">object-select-symbolic</property>
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="margin-start">10</property>
+                                    <property name="margin-end">10</property>
+                                    <property name="opacity">0</property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+
+                <child>
+                  <object class="GtkLabel">
+                    <property name="margin-top">30</property>
+                    <property name="margin-bottom">10</property>
+                    <property name="label">Group 2</property>
+                    <property name="xalign">0</property>
+                    <style>
+                      <class name="title-2"/>
+                    </style>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkFrame">
+                    <child>
+                      <object class="GtkListBox">
+                        <property name="selection-mode">none</property>
+                        <property name="show-separators">1</property>
+                        <style>
+                          <class name="rich-list"/>
+                        </style>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <property name="activatable">0</property>
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="scale_label">
+                                    <property name="label" translatable="yes">Scale</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkScale">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="draw-value">0</property>
+                                    <property name="width-request">150</property>
+                                    <property name="adjustment">
+                                      <object class="GtkAdjustment">
+                                        <property name="upper">100</property>
+                                        <property name="value">50</property>
+                                        <property name="step-increment">1</property>
+                                        <property name="page-increment">10</property>
+                                      </object>
+                                    </property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <property name="activatable">0</property>
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="spin_label">
+                                    <property name="label" translatable="yes">Spinbutton</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkSpinButton">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="adjustment">
+                                      <object class="GtkAdjustment">
+                                        <property name="upper">100</property>
+                                        <property name="value">50</property>
+                                        <property name="step-increment">1</property>
+                                        <property name="page-increment">10</property>
+                                      </object>
+                                    </property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <property name="activatable">0</property>
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="dropdown_label">
+                                    <property name="label" translatable="yes">Dropdown</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkDropDown">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="model">
+                                      <object class="GtkStringList">
+                                        <items>
+                                          <item>Choice 1</item>
+                                          <item>Choice 2</item>
+                                          <item>Choice 3</item>
+                                          <item>Choice 4</item>
+                                        </items>
+                                      </object>
+                                    </property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+
+                        <child>
+                          <object class="GtkListBoxRow">
+                            <property name="activatable">0</property>
+                            <child>
+                              <object class="GtkBox">
+                                <child>
+                                  <object class="GtkLabel" id="entry_label">
+                                    <property name="label" translatable="yes">Entry</property>
+                                    <property name="xalign">0</property>
+                                    <property name="halign">start</property>
+                                    <property name="valign">center</property>
+                                    <property name="hexpand">1</property>
+                                  </object>
+                                </child>
+                                <child>
+                                  <object class="GtkEntry">
+                                    <property name="halign">end</property>
+                                    <property name="valign">center</property>
+                                    <property name="placeholder-text">Type here…</property>
+                                  </object>
+                                </child>
+                              </object>
+                            </child>
+                          </object>
+                        </child>
+
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+  <object class="GtkSizeGroup">
+    <property name="mode">horizontal</property>
+    <widgets>
+      <widget name="switch_label"/>
+      <widget name="check_label"/>
+      <widget name="image_label"/>
+      <widget name="scale_label"/>
+      <widget name="spin_label"/>
+      <widget name="dropdown_label"/>
+      <widget name="entry_label"/>
+    </widgets>
+  </object>
+</interface>

demos/gtk-demo/listview_applauncher.c

@@ -166,14 +166,6 @@ do_listview_applauncher (GtkWidget *do_widget)
       g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);
       g_signal_connect (factory, "bind", G_CALLBACK (bind_listitem_cb), NULL);
 
-      /* Create the list widget here.
-       */
-      list = gtk_list_view_new_with_factory (factory);
-      /* We connect the activate signal here. It's the function we defined
-       * above for launching the selected application.
-       */
-      g_signal_connect (list, "activate", G_CALLBACK (activate_cb), NULL);
-
       /* And of course we need to set the data model. Here we call the function
        * we wrote above that gives us the list of applications. Then we set
        * it on the list widget.
@@ -181,8 +173,15 @@ do_listview_applauncher (GtkWidget *do_widget)
        * to create as many listitems as it needs to show itself to the user.
        */
       model = create_application_list ();
-      gtk_list_view_set_model (GTK_LIST_VIEW (list), model);
-      g_object_unref (model);
+
+      /* Create the list widget here.
+       */
+      list = gtk_list_view_new_with_factory (model, factory);
+
+      /* We connect the activate signal here. It's the function we defined
+       * above for launching the selected application.
+       */
+      g_signal_connect (list, "activate", G_CALLBACK (activate_cb), NULL);
 
       /* List widgets should always be contained in a #GtkScrolledWindow,
        * because otherwise they might get too large or they might not

demos/gtk-demo/listview_clocks.c

@@ -101,7 +101,7 @@ gtk_clock_snapshot (GdkPaintable *paintable,
                               (GdkRGBA [4]) { BLACK, BLACK, BLACK, BLACK });
 
   /* Next, draw the hour hand.
-   * We do this using tranforms again: Instead of computing where the angle
+   * We do this using transforms again: Instead of computing where the angle
    * points to, we just rotate everything and then draw the hand as if it
    * was :00. We don't even need to care about am/pm here because rotations
    * just work.
@@ -463,7 +463,6 @@ do_listview_clocks (GtkWidget *do_widget)
       GtkWidget *gridview, *sw;
       GtkListItemFactory *factory;
       GListModel *model;
-      GtkNoSelection *selection;
 
       /* This is the normal window setup code every demo does */
       window = gtk_window_new ();
@@ -485,16 +484,12 @@ do_listview_clocks (GtkWidget *do_widget)
       factory = gtk_signal_list_item_factory_new ();
       g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);
 
-      gridview = gtk_grid_view_new_with_factory (factory);
+      model = G_LIST_MODEL (gtk_no_selection_new (create_clocks_model ()));
+      gridview = gtk_grid_view_new_with_factory (model, factory);
       gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
       gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
 
-      model = create_clocks_model ();
-      selection = gtk_no_selection_new (model);
-      gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), G_LIST_MODEL (selection));
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gridview);
-      g_object_unref (selection);
-      g_object_unref (model);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/listview_colors.c

@@ -79,7 +79,7 @@ gtk_color_paintable_init (GdkPaintableInterface *iface)
 
 /*
  * Finally, we define the type. The important part is adding the paintable
- * interface, so GTK knows that this object can indeed be drawm.
+ * interface, so GTK knows that this object can indeed be drawn.
  */
 G_DEFINE_TYPE_WITH_CODE (GtkColor, gtk_color, G_TYPE_OBJECT,
                          G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
@@ -89,14 +89,14 @@ static GParamSpec *color_properties[N_COLOR_PROPS] = { NULL, };
 
 static void
 rgb_to_hsv (GdkRGBA *rgba,
-            gdouble *h_out,
-            gdouble *s_out,
-            gdouble *v_out)
+            double  *h_out,
+            double  *s_out,
+            double  *v_out)
 {
-  gdouble red, green, blue;
-  gdouble h, s, v;
-  gdouble min, max;
-  gdouble delta;
+  double red, green, blue;
+  double h, s, v;
+  double min, max;
+  double delta;
 
   red = rgba->red;
   green = rgba->green;
@@ -226,7 +226,7 @@ gtk_color_set_property (GObject      *object,
       break;
 
     case PROP_COLOR:
-      self->color = *(GdkRGBA *) g_value_dup_boxed (value);
+      self->color = *(GdkRGBA *) g_value_get_boxed (value);
       rgb_to_hsv (&self->color, &h, &s, &v);
       self->h = round (360 * h);
       self->s = round (100 * s);
@@ -523,7 +523,7 @@ gtk_color_list_init (GtkColorList *self)
   g_bytes_unref (data);
 }
 
-static GListModel *
+GListModel *
 gtk_color_list_new (guint size)
 {
   return g_object_new (GTK_TYPE_COLOR_LIST,
@@ -662,9 +662,8 @@ create_color_grid (void)
 {
   GtkWidget *gridview;
   GtkListItemFactory *factory;
-  GListModel *model, *selection;
 
-  gridview = gtk_grid_view_new ();
+  gridview = gtk_grid_view_new (NULL);
   gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
   gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
 
@@ -676,13 +675,6 @@ create_color_grid (void)
   gtk_grid_view_set_max_columns (GTK_GRID_VIEW (gridview), 24);
   gtk_grid_view_set_enable_rubberband (GTK_GRID_VIEW (gridview), TRUE);
 
-  model = G_LIST_MODEL (gtk_sort_list_model_new (gtk_color_list_new (0), NULL));
-
-  selection = G_LIST_MODEL (gtk_multi_selection_new (model));
-  gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), selection);
-  g_object_unref (selection);
-  g_object_unref (model);
-
   return gridview;
 }
 
@@ -835,6 +827,22 @@ update_selection_average (GListModel *model,
   g_object_unref (color);
 }
 
+static void
+update_progress_cb (GtkSortListModel *model,
+                    GParamSpec       *pspec,
+                    GtkProgressBar   *progress)
+{
+  guint total;
+  guint pending;
+
+  total = g_list_model_get_n_items (G_LIST_MODEL (model));
+  total = MAX (total, 1); /* avoid div by 0 below */
+  pending = gtk_sort_list_model_get_pending (model);
+
+  gtk_widget_set_visible (GTK_WIDGET (progress), pending != 0);
+  gtk_progress_bar_set_fraction (progress, (total - pending) / (double) total);
+}
+
 static GtkWidget *window = NULL;
 
 GtkWidget *
@@ -842,10 +850,11 @@ do_listview_colors (GtkWidget *do_widget)
 {
   if (window == NULL)
     {
-      GtkWidget *header, *gridview, *sw, *box, *dropdown;
+      GtkMultiSelection *selection;
+      GtkSortListModel *sort_model;
+      GtkWidget *header, *overlay, *gridview, *sw, *box, *dropdown;
       GtkListItemFactory *factory;
       GListStore *factories;
-      GListModel *model;
       GtkSorter *sorter;
       GtkSorter *multi_sorter;
       GListStore *sorters;
@@ -863,6 +872,7 @@ do_listview_colors (GtkWidget *do_widget)
       GtkWidget *selection_average_picture;
       GtkWidget *selection_info_toggle;
       GtkWidget *selection_info_revealer;
+      GtkWidget *progress;
       GtkCssProvider *provider;
 
       provider = gtk_css_provider_new ();
@@ -872,6 +882,10 @@ do_listview_colors (GtkWidget *do_widget)
                                                   800);
       g_object_unref (provider);
 
+      sort_model = gtk_sort_list_model_new (gtk_color_list_new (0), NULL);
+      gtk_sort_list_model_set_incremental (sort_model, TRUE);
+      selection = gtk_multi_selection_new (G_LIST_MODEL (sort_model));
+
       window = gtk_window_new ();
       gtk_window_set_title (GTK_WINDOW (window), "Colors");
       header = gtk_header_bar_new ();
@@ -882,8 +896,17 @@ do_listview_colors (GtkWidget *do_widget)
                               gtk_widget_get_display (do_widget));
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer*)&window);
 
+      overlay = gtk_overlay_new ();
+      gtk_window_set_child (GTK_WINDOW (window), overlay);
+
       box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-      gtk_window_set_child (GTK_WINDOW (window), box);
+      gtk_overlay_set_child (GTK_OVERLAY (overlay), box);
+
+      progress = gtk_progress_bar_new ();
+      gtk_widget_set_hexpand (progress, TRUE);
+      gtk_widget_set_valign (progress, GTK_ALIGN_START);
+      g_signal_connect (sort_model, "notify::pending", G_CALLBACK (update_progress_cb), progress);
+      gtk_overlay_add_overlay (GTK_OVERLAY (overlay), progress);
 
       selection_info_revealer = gtk_revealer_new ();
       gtk_box_append (GTK_BOX (box), selection_info_revealer);
@@ -927,7 +950,7 @@ do_listview_colors (GtkWidget *do_widget)
 
       factory = gtk_signal_list_item_factory_new ();
       g_signal_connect (factory, "setup", G_CALLBACK (setup_selection_listitem_cb), NULL);
-      selection_view = gtk_grid_view_new_with_factory (factory);
+      selection_view = gtk_grid_view_new_with_factory (NULL, factory);
       gtk_widget_add_css_class (selection_view, "compact");
       gtk_grid_view_set_max_columns (GTK_GRID_VIEW (selection_view), 200);
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), selection_view);
@@ -936,23 +959,19 @@ do_listview_colors (GtkWidget *do_widget)
       gtk_box_append (GTK_BOX (box), sw);
 
       gridview = create_color_grid ();
+      gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), G_LIST_MODEL (selection));
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gridview);
       gtk_widget_set_hexpand (sw, TRUE);
       gtk_widget_set_vexpand (sw, TRUE);
-      model = gtk_grid_view_get_model (GTK_GRID_VIEW (gridview));
 
-      selection_filter = G_LIST_MODEL (gtk_selection_filter_model_new (GTK_SELECTION_MODEL (model)));
+      selection_filter = G_LIST_MODEL (gtk_selection_filter_model_new (GTK_SELECTION_MODEL (selection)));
       g_signal_connect (selection_filter, "items-changed", G_CALLBACK (update_selection_count), selection_size_label);
       g_signal_connect (selection_filter, "items-changed", G_CALLBACK (update_selection_average), selection_average_picture);
 
       no_selection = G_LIST_MODEL (gtk_no_selection_new (selection_filter));
       gtk_grid_view_set_model (GTK_GRID_VIEW (selection_view), no_selection);
-      g_object_unref (selection_filter);
       g_object_unref (no_selection);
 
-      model = gtk_multi_selection_get_model (GTK_MULTI_SELECTION (model));
-      g_object_ref (model);
-
       selection_info_toggle = gtk_toggle_button_new ();
       gtk_button_set_icon_name (GTK_BUTTON (selection_info_toggle), "emblem-important-symbolic");
       gtk_widget_set_tooltip_text (selection_info_toggle, "Show selection info");
@@ -965,7 +984,7 @@ do_listview_colors (GtkWidget *do_widget)
       button = gtk_button_new_with_mnemonic ("_Refill");
       g_signal_connect (button, "clicked",
                         G_CALLBACK (refill),
-                        gtk_sort_list_model_get_model (GTK_SORT_LIST_MODEL (model)));
+                        gtk_sort_list_model_get_model (sort_model));
 
       gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
 
@@ -980,15 +999,13 @@ do_listview_colors (GtkWidget *do_widget)
       gtk_label_set_width_chars (GTK_LABEL (label), len + 2);
       gtk_label_set_xalign (GTK_LABEL (label), 1);
 
-      g_signal_connect (gtk_grid_view_get_model (GTK_GRID_VIEW (gridview)),
-                        "items-changed", G_CALLBACK (items_changed_cb), label);
+      g_signal_connect (selection, "items-changed", G_CALLBACK (items_changed_cb), label);
       gtk_header_bar_pack_start (GTK_HEADER_BAR (header), label);
 
-      dropdown = gtk_drop_down_new ();
-      gtk_drop_down_set_from_strings (GTK_DROP_DOWN (dropdown), (const char *[]) { "8", "64", "512", "4096", "32768", "262144", "2097152", "16777216", NULL });
+      dropdown = gtk_drop_down_new_from_strings  ((const char * const[]) { "8", "64", "512", "4096", "32768", "262144", "2097152", "16777216", NULL });
       g_signal_connect (dropdown, "notify::selected",
                         G_CALLBACK (limit_changed_cb), 
-                        gtk_sort_list_model_get_model (GTK_SORT_LIST_MODEL (model)));
+                        gtk_sort_list_model_get_model (sort_model));
       g_signal_connect (dropdown, "notify::selected",
                         G_CALLBACK (limit_changed_cb2), 
                         label);
@@ -1063,24 +1080,19 @@ do_listview_colors (GtkWidget *do_widget)
       g_list_store_append (sorters, multi_sorter);
       g_object_unref (multi_sorter);
 
-      dropdown = gtk_drop_down_new ();
-      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-      gtk_box_append (GTK_BOX (box), gtk_label_new ("Sort by:"));
-      gtk_box_append (GTK_BOX (box), dropdown);
-      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
-
       expression = gtk_cclosure_expression_new (G_TYPE_STRING,
                                                 NULL,
                                                 0, NULL,
                                                 (GCallback)get_title,
                                                 NULL, NULL);
-      gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
-      gtk_expression_unref (expression);
 
-      gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (sorters));
-      g_object_unref (sorters);
+      dropdown = gtk_drop_down_new (G_LIST_MODEL (sorters), expression);
+      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_box_append (GTK_BOX (box), gtk_label_new ("Sort by:"));
+      gtk_box_append (GTK_BOX (box), dropdown);
+      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
 
-      g_object_bind_property (dropdown, "selected-item", model, "sorter", G_BINDING_SYNC_CREATE);
+      g_object_bind_property (dropdown, "selected-item", sort_model, "sorter", G_BINDING_SYNC_CREATE);
 
       factories = g_list_store_new (GTK_TYPE_LIST_ITEM_FACTORY);
 
@@ -1094,25 +1106,20 @@ do_listview_colors (GtkWidget *do_widget)
       set_title (factory, "Everything");
       g_list_store_append (factories, factory);
 
-      dropdown = gtk_drop_down_new ();
-      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-      gtk_box_append (GTK_BOX (box), gtk_label_new ("Show:"));
-      gtk_box_append (GTK_BOX (box), dropdown);
-      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
-
       expression = gtk_cclosure_expression_new (G_TYPE_STRING,
                                                 NULL,
                                                 0, NULL,
                                                 (GCallback)get_title,
                                                 NULL, NULL);
-      gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
-      gtk_expression_unref (expression);
-
-      gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (factories));
-      g_object_unref (factories);
+      dropdown = gtk_drop_down_new (G_LIST_MODEL (factories), expression);
+      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_box_append (GTK_BOX (box), gtk_label_new ("Show:"));
+      gtk_box_append (GTK_BOX (box), dropdown);
+      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
 
       g_object_bind_property (dropdown, "selected-item", gridview, "factory", G_BINDING_SYNC_CREATE);
-      g_object_unref (model);
+
+      g_object_unref (selection);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/listview_settings.c

@@ -5,6 +5,10 @@
  * It demonstrates how to implement support for trees with GtkListView.
  * It also shows how to set up sorting and filtering for columns in a
  * GtkColumnView.
+ *
+ * It also demonstrates different styles of list. The tree on the left
+ * uses the ­.navigation-sidebar style class, the list on the right uses
+ * the ­.data-table style class.
  */
 
 #include <gtk/gtk.h>
@@ -214,7 +218,6 @@ transform_settings_to_keys (GBinding     *binding,
   GtkSortListModel *sort_model;
   GtkFilterListModel *filter_model;
   GtkFilter *filter;
-  GtkNoSelection *selection_model;
   char **keys;
   guint i;
 
@@ -242,21 +245,13 @@ transform_settings_to_keys (GBinding     *binding,
   g_object_unref (settings);
 
   sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
-                                        gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
-  g_object_unref (store);
+                                        g_object_ref (gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data))));
 
   filter = gtk_string_filter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
-  filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);
-  g_object_unref (sort_model);
-
   g_set_object (&current_filter, filter);
+  filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);
 
-  g_object_unref (filter);
-
-  selection_model = gtk_no_selection_new (G_LIST_MODEL (filter_model));
-  g_object_unref (filter_model);
-
-  g_value_take_object (to_value, selection_model);
+  g_value_take_object (to_value, gtk_no_selection_new (G_LIST_MODEL (filter_model)));
 
   return TRUE;
 }
@@ -367,6 +362,8 @@ do_listview_settings (GtkWidget *do_widget)
 
       builder = gtk_builder_new ();
       gtk_builder_set_scope (builder, scope);
+      g_object_unref (scope);
+
       gtk_builder_add_from_resource (builder, "/listview_settings/listview_settings.ui", NULL);
 
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
@@ -403,8 +400,8 @@ do_listview_settings (GtkWidget *do_widget)
       g_object_unref (actions);
 
       model = create_settings_model (NULL, NULL);
-      treemodel = gtk_tree_list_model_new (FALSE,
-                                           model,
+      treemodel = gtk_tree_list_model_new (model,
+                                           FALSE,
                                            TRUE,
                                            create_settings_model,
                                            NULL,
@@ -418,8 +415,6 @@ do_listview_settings (GtkWidget *do_widget)
                                    columnview, NULL);
       gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
       g_object_unref (selection);
-      g_object_unref (treemodel);
-      g_object_unref (model);
 
       name_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "name_column"));
       sorter = gtk_string_sorter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));

demos/gtk-demo/listview_settings.ui

@@ -20,6 +20,9 @@
           <object class="GtkScrolledWindow">
             <child>
               <object class="GtkListView" id="listview">
+                <style>
+                  <class name="navigation-sidebar"/>
+                </style>
                 <property name="factory">
                   <object class="GtkBuilderListItemFactory">
                     <property name="bytes"><![CDATA[
@@ -73,6 +76,9 @@
                 <property name="vexpand">1</property>
                 <child>
                   <object class="GtkColumnView" id="columnview">
+                    <style>
+                      <class name="data-table"/>
+                    </style>
                     <child>
                       <object class="GtkColumnViewColumn" id="name_column">
                         <property name="title">Name</property>

demos/gtk-demo/listview_weather.c

@@ -281,20 +281,16 @@ GtkWidget *
 create_weather_view (void)
 {
   GtkWidget *listview;
-  GListModel *model, *selection;
+  GListModel *model;
   GtkListItemFactory *factory;
 
   factory = gtk_signal_list_item_factory_new ();
   g_signal_connect (factory, "setup", G_CALLBACK (setup_widget), NULL);
   g_signal_connect (factory, "bind", G_CALLBACK (bind_widget), NULL);
-  listview = gtk_list_view_new_with_factory (factory);
+  model = G_LIST_MODEL (gtk_no_selection_new (create_weather_model ()));
+  listview = gtk_list_view_new_with_factory (model, factory);
   gtk_orientable_set_orientation (GTK_ORIENTABLE (listview), GTK_ORIENTATION_HORIZONTAL);
   gtk_list_view_set_show_separators (GTK_LIST_VIEW (listview), TRUE);
-  model = create_weather_model ();
-  selection = G_LIST_MODEL (gtk_no_selection_new (model));
-  gtk_list_view_set_model (GTK_LIST_VIEW (listview), selection);
-  g_object_unref (selection);
-  g_object_unref (model);
 
   return listview;
 }

demos/gtk-demo/listview_words.c

@@ -65,6 +65,7 @@ read_lines_cb (GObject      *object,
     {
       g_print ("Could not read data: %s\n", error->message);
       g_clear_error (&error);
+      g_object_unref (stringlist);
       return;
     }
 
@@ -74,6 +75,7 @@ read_lines_cb (GObject      *object,
     {
       if (size)
         gtk_string_list_take (stringlist, g_utf8_make_valid (buffer, size));
+      g_object_unref (stringlist);
       return;
     }
 
@@ -121,6 +123,7 @@ file_is_open_cb (GObject      *file,
     {
       g_print ("Could not open file: %s\n", error->message);
       g_error_free (error);
+      g_object_unref (data);
       return;
     }
 
@@ -134,7 +137,7 @@ load_file (GtkStringList *list,
            GFile         *file)
 {
   gtk_string_list_splice (list, 0, g_list_model_get_n_items (G_LIST_MODEL (list)), NULL);
-  g_file_read_async (file, G_PRIORITY_HIGH_IDLE, NULL, file_is_open_cb, list);
+  g_file_read_async (file, G_PRIORITY_HIGH_IDLE, NULL, file_is_open_cb, g_object_ref (list));
 }
 
 static void
@@ -157,7 +160,6 @@ do_listview_words (GtkWidget *do_widget)
     {
       GtkWidget *header, *listview, *sw, *vbox, *search_entry, *open_button, *overlay;
       GtkFilterListModel *filter_model;
-      GtkNoSelection *selection;
       GtkStringList *stringlist;
       GtkFilter *filter;
       GFile *file;
@@ -175,6 +177,7 @@ do_listview_words (GtkWidget *do_widget)
           stringlist = gtk_string_list_new ((const char **) words);
           g_strfreev (words);
         }
+      g_object_unref (file);
 
       filter = gtk_string_filter_new (gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string"));
       filter_model = gtk_filter_list_model_new (G_LIST_MODEL (stringlist), filter);
@@ -215,18 +218,15 @@ do_listview_words (GtkWidget *do_widget)
       gtk_overlay_set_child (GTK_OVERLAY (overlay), sw);
 
       listview = gtk_list_view_new_with_factory (
+          G_LIST_MODEL (gtk_no_selection_new (G_LIST_MODEL (filter_model))),
           gtk_builder_list_item_factory_new_from_bytes (NULL,
               g_bytes_new_static (factory_text, strlen (factory_text))));
       gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
-      selection = gtk_no_selection_new (G_LIST_MODEL (filter_model));
-      gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
-      g_object_unref (selection);
 
       g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), progress);
       g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), progress);
       update_title_cb (filter_model);
 
-      g_object_unref (filter_model);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/main.c

@@ -9,11 +9,12 @@
 #include <glib/gstdio.h>
 
 #include "demos.h"
+#include "fontify.h"
 
 static GtkWidget *info_view;
 static GtkWidget *source_view;
 
-static gchar *current_file = NULL;
+static char *current_file = NULL;
 
 static GtkWidget *notebook;
 static GtkSingleSelection *selection;
@@ -141,15 +142,21 @@ activate_about (GSimpleAction *action,
                 gpointer       user_data)
 {
   GtkApplication *app = user_data;
-  const gchar *authors[] = {
+  const char *authors[] = {
     "The GTK Team",
     NULL
   };
   char *version;
+  char *os_name;
+  char *os_version;
   GString *s;
 
   s = g_string_new ("");
 
+  os_name = g_get_os_info (G_OS_INFO_KEY_NAME);
+  os_version = g_get_os_info (G_OS_INFO_KEY_VERSION_ID);
+  if (os_name && os_version)
+    g_string_append_printf (s, "OS\t%s %s\n\n", os_name, os_version);
   g_string_append (s, "System libraries\n");
   g_string_append_printf (s, "\tGLib\t%d.%d.%d\n",
                           glib_major_version,
@@ -184,6 +191,8 @@ activate_about (GSimpleAction *action,
 
   g_string_free (s, TRUE);
   g_free (version);
+  g_free (os_name);
+  g_free (os_version);
 }
 
 static void
@@ -226,377 +235,10 @@ activate_run (GSimpleAction *action,
   gtk_demo_run (demo, window);
 }
 
-/* Stupid syntax highlighting.
- *
- * No regex was used in the making of this highlighting.
- * It should only work for simple cases.  This is good, as
- * that's all we should have in the demos.
- */
-/* This code should not be used elsewhere, except perhaps as an example of how
- * to iterate through a text buffer.
- */
-enum {
-  STATE_NORMAL,
-  STATE_IN_COMMENT
-};
-
-static const char *tokens[] =
-{
-  "/*",
-  "\"",
-  NULL
-};
-
-static const char *types[] =
-{
-  "static",
-  "const ",
-  "void",
-  "gint",
-  " int ",
-  " char ",
-  "gchar ",
-  "gfloat",
-  "float",
-  "double",
-  "gint8",
-  "gint16",
-  "gint32",
-  "guint",
-  "guint8",
-  "guint16",
-  "guint32",
-  "guchar",
-  "glong",
-  "gboolean" ,
-  "gshort",
-  "gushort",
-  "gulong",
-  "gdouble",
-  "gldouble",
-  "gpointer",
-  "NULL",
-  "GList",
-  "GSList",
-  "FALSE",
-  "TRUE",
-  "FILE ",
-  "GtkColorSelection ",
-  "GtkWidget ",
-  "GtkButton ",
-  "GdkColor ",
-  "GdkRectangle ",
-  "GdkEventExpose ",
-  "GdkGC ",
-  "GdkPixbufLoader ",
-  "GdkPixbuf ",
-  "GError",
-  "size_t",
-  "GtkAboutDialog ",
-  "GtkAction ",
-  "GtkActionEntry ",
-  "GtkRadioActionEntry ",
-  "GtkIconFactory ",
-  "GtkTextBuffer ",
-  "GtkStatusbar ",
-  "GtkTextIter ",
-  "GtkTextMark ",
-  "GdkEventWindowState ",
-  "GtkActionGroup ",
-  "GtkUIManager ",
-  "GtkRadioAction ",
-  "GtkActionClass ",
-  "GtkToggleActionEntry ",
-  "GtkAssistant ",
-  "GtkBuilder ",
-  "GtkSizeGroup ",
-  "GtkTreeModel ",
-  "GtkTreeSelection ",
-  "GdkDisplay ",
-  "GdkScreen ",
-  "GdkSurface ",
-  "GdkEventButton ",
-  "GdkCursor ",
-  "GtkTreeIter ",
-  "GtkTreeViewColumn ",
-  "GdkDisplayManager ",
-  "GdkClipboard ",
-  "GtkIconSize ",
-  "GtkImage ",
-  "GdkDragContext ",
-  "GtkSelectionData ",
-  "GtkDialog ",
-  "GtkMenuItem ",
-  "GtkListStore ",
-  "GtkCellLayout ",
-  "GtkCellRenderer ",
-  "GtkTreePath ",
-  "GtkTreeStore ",
-  "GtkEntry ",
-  "GtkEditable ",
-  "GtkEditableInterface ",
-  "GdkPixmap ",
-  "GdkEventConfigure ",
-  "GdkEventMotion ",
-  "GdkModifierType ",
-  "GtkEntryCompletion ",
-  "GtkToolItem ",
-  "GDir ",
-  "GtkIconView ",
-  "GtkCellRendererText ",
-  "GtkContainer ",
-  "GtkPaned ",
-  "GtkPrintOperation ",
-  "GtkPrintContext ",
-  "cairo_t ",
-  "PangoLayout "
-  "PangoFontDescription ",
-  "PangoRenderer ",
-  "PangoMatrix ",
-  "PangoContext ",
-  "PangoLayout ",
-  "GtkToggleButton ",
-  "GString ",
-  "GtkIconSize ",
-  "GtkTreeView ",
-  "GtkTextTag ",
-  "GdkEvent ",
-  "GdkEventKey ",
-  "GtkTextView ",
-  "GdkBitmap ",
-  "GtkTextChildAnchor ",
-  "GArray ",
-  "GtkCellEditable ",
-  "GtkCellRendererToggle ",
-  NULL
-};
-
-static const char *control[] =
-{
-  " if ",
-  " while ",
-  " else",
-  " do ",
-  " for ",
-  "?",
-  ":",
-  "return ",
-  "goto ",
-  NULL
-};
-void
-parse_chars (gchar       *text,
-             gchar      **end_ptr,
-             gint        *state,
-             const char **tag,
-             gboolean     start)
-{
-  gint i;
-  gchar *next_token;
-
-  /* Handle comments first */
-  if (*state == STATE_IN_COMMENT)
-    {
-      *end_ptr = strstr (text, "*/");
-      if (*end_ptr)
-        {
-          *end_ptr += 2;
-          *state = STATE_NORMAL;
-          *tag = "comment";
-        }
-      return;
-    }
-
-  *tag = NULL;
-  *end_ptr = NULL;
-
-  /* check for comment */
-  if (!strncmp (text, "/*", 2))
-    {
-      *end_ptr = strstr (text, "*/");
-      if (*end_ptr)
-        *end_ptr += 2;
-      else
-        *state = STATE_IN_COMMENT;
-      *tag = "comment";
-      return;
-    }
-
-  /* check for preprocessor defines */
-  if (*text == '#' && start)
-    {
-      *end_ptr = NULL;
-      *tag = "preprocessor";
-      return;
-    }
-
-  /* functions */
-  if (start && * text != '\t' && *text != ' ' && *text != '{' && *text != '}')
-    {
-      if (strstr (text, "("))
-        {
-          *end_ptr = strstr (text, "(");
-          *tag = "function";
-          return;
-        }
-    }
-  /* check for types */
-  for (i = 0; types[i] != NULL; i++)
-    if (!strncmp (text, types[i], strlen (types[i])) ||
-        (start && types[i][0] == ' ' && !strncmp (text, types[i] + 1, strlen (types[i]) - 1)))
-      {
-        *end_ptr = text + strlen (types[i]);
-        *tag = "type";
-        return;
-      }
-
-  /* check for control */
-  for (i = 0; control[i] != NULL; i++)
-    if (!strncmp (text, control[i], strlen (control[i])))
-      {
-        *end_ptr = text + strlen (control[i]);
-        *tag = "control";
-        return;
-      }
-
-  /* check for string */
-  if (text[0] == '"')
-    {
-      gint maybe_escape = FALSE;
-
-      *end_ptr = text + 1;
-      *tag = "string";
-      while (**end_ptr != '\000')
-        {
-          if (**end_ptr == '\"' && !maybe_escape)
-            {
-              *end_ptr += 1;
-              return;
-            }
-          if (**end_ptr == '\\')
-            maybe_escape = TRUE;
-          else
-            maybe_escape = FALSE;
-          *end_ptr += 1;
-        }
-      return;
-    }
-
-  /* not at the start of a tag.  Find the next one. */
-  for (i = 0; tokens[i] != NULL; i++)
-    {
-      next_token = strstr (text, tokens[i]);
-      if (next_token)
-        {
-          if (*end_ptr)
-            *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
-          else
-            *end_ptr = next_token;
-        }
-    }
-
-  for (i = 0; types[i] != NULL; i++)
-    {
-      next_token = strstr (text, types[i]);
-      if (next_token)
-        {
-          if (*end_ptr)
-            *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
-          else
-            *end_ptr = next_token;
-        }
-    }
-
-  for (i = 0; control[i] != NULL; i++)
-    {
-      next_token = strstr (text, control[i]);
-      if (next_token)
-        {
-          if (*end_ptr)
-            *end_ptr = (*end_ptr<next_token)?*end_ptr:next_token;
-          else
-            *end_ptr = next_token;
-        }
-    }
-}
-
-/* While not as cool as c-mode, this will do as a quick attempt at highlighting */
-void
-fontify (GtkTextBuffer *source_buffer)
-{
-  GtkTextIter start_iter, next_iter, tmp_iter;
-  gint state;
-  gchar *text;
-  gchar *start_ptr, *end_ptr;
-  const char *tag;
-
-  gtk_text_buffer_create_tag (source_buffer, "source",
-                              "font", "monospace",
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "comment",
-                              "foreground", "DodgerBlue",
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "type",
-                              "foreground", "ForestGreen",
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "string",
-                              "foreground", "RosyBrown",
-                              "weight", PANGO_WEIGHT_BOLD,
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "control",
-                              "foreground", "purple",
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "preprocessor",
-                              "style", PANGO_STYLE_OBLIQUE,
-                              "foreground", "burlywood4",
-                              NULL);
-  gtk_text_buffer_create_tag (source_buffer, "function",
-                              "weight", PANGO_WEIGHT_BOLD,
-                              "foreground", "DarkGoldenrod4",
-                              NULL);
-
-  gtk_text_buffer_get_bounds (source_buffer, &start_iter, &tmp_iter);
-  gtk_text_buffer_apply_tag_by_name (source_buffer, "source", &start_iter, &tmp_iter);
-
-  state = STATE_NORMAL;
-
-  gtk_text_buffer_get_iter_at_offset (source_buffer, &start_iter, 0);
-
-  next_iter = start_iter;
-  while (gtk_text_iter_forward_line (&next_iter))
-    {
-      gboolean start = TRUE;
-      start_ptr = text = gtk_text_iter_get_text (&start_iter, &next_iter);
-
-      do
-        {
-          parse_chars (start_ptr, &end_ptr, &state, &tag, start);
-
-          start = FALSE;
-          if (end_ptr)
-            {
-              tmp_iter = start_iter;
-              gtk_text_iter_forward_chars (&tmp_iter, end_ptr - start_ptr);
-            }
-          else
-            {
-              tmp_iter = next_iter;
-            }
-          if (tag)
-            gtk_text_buffer_apply_tag_by_name (source_buffer, tag, &start_iter, &tmp_iter);
-
-          start_iter = tmp_iter;
-          start_ptr = end_ptr;
-        }
-      while (end_ptr);
-
-      g_free (text);
-      start_iter = next_iter;
-    }
-}
-
 static GtkWidget *
-display_image (const char *resource)
+display_image (const char  *format,
+               const char  *resource,
+               char       **label)
 {
   GtkWidget *sw, *image;
 
@@ -610,11 +252,62 @@ display_image (const char *resource)
 }
 
 static GtkWidget *
-display_text (const char *resource)
+display_images (const char  *format,
+                const char  *resource_dir,
+                char       **label)
+{
+  char **resources;
+  GtkWidget *grid;
+  GtkWidget *sw;
+  GtkWidget *widget;
+  guint i;
+
+  resources = g_resources_enumerate_children (resource_dir, 0, NULL);
+  if (resources == NULL)
+    return NULL;
+
+  sw = gtk_scrolled_window_new ();
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+                                  GTK_POLICY_NEVER,
+                                  GTK_POLICY_AUTOMATIC);
+  grid = gtk_flow_box_new ();
+  gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (grid), GTK_SELECTION_NONE);
+  gtk_widget_set_valign (grid, GTK_ALIGN_START);
+  gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), grid);
+
+  for (i = 0; resources[i]; i++)
+    {
+      char *resource_name;
+      GtkWidget *box;
+
+      resource_name = g_strconcat (resource_dir, "/", resources[i], NULL);
+
+      widget = display_image (NULL, resource_name, NULL);
+      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      gtk_box_append (GTK_BOX (box), widget);
+      gtk_box_append (GTK_BOX (box), gtk_label_new (resources[i]));
+      gtk_flow_box_insert (GTK_FLOW_BOX (grid), box, -1);
+
+      g_free (resource_name);
+    }
+
+  g_strfreev (resources);
+
+  *label = g_strdup ("Images");
+
+  return sw;
+}
+
+static GtkWidget *
+display_text (const char  *format,
+              const char  *resource,
+              char       **label)
 {
   GtkTextBuffer *buffer;
   GtkWidget *textview, *sw;
   GBytes *bytes;
+  const char *text;
+  gsize len;
 
   bytes = g_resources_lookup_data (resource, 0, NULL);
   g_assert (bytes);
@@ -634,14 +327,17 @@ display_text (const char *resource)
   gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (textview), GTK_WRAP_WORD);
   gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (textview), 2);
   gtk_text_view_set_pixels_below_lines (GTK_TEXT_VIEW (textview), 2);
+  gtk_text_view_set_monospace (GTK_TEXT_VIEW (textview), TRUE);
 
   buffer = gtk_text_buffer_new (NULL);
-  gtk_text_buffer_set_text (buffer, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
-  if (g_str_has_suffix (resource, ".c"))
-    fontify (buffer);
-  gtk_text_view_set_buffer (GTK_TEXT_VIEW (textview), buffer);
 
-  g_bytes_unref (bytes);
+  text = g_bytes_unref_to_data (bytes, &len);
+  gtk_text_buffer_set_text (buffer, text, len);
+
+  if (format)
+    fontify (format, buffer);
+
+  gtk_text_view_set_buffer (GTK_TEXT_VIEW (textview), buffer);
 
   sw = gtk_scrolled_window_new ();
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
@@ -653,7 +349,9 @@ display_text (const char *resource)
 }
 
 static GtkWidget *
-display_video (const char *resource)
+display_video (const char  *format,
+               const char  *resource,
+               char       **label)
 {
   GtkWidget *video;
 
@@ -680,27 +378,32 @@ display_nothing (const char *resource)
 
 static struct {
   const char *extension;
-  GtkWidget * (* display_func) (const char *resource);
+  const char *format;
+  GtkWidget * (* display_func) (const char  *format,
+                                const char  *resource,
+                                char       **label);
 } display_funcs[] = {
-  { ".gif", display_image },
-  { ".jpg", display_image },
-  { ".png", display_image },
-  { ".c", display_text },
-  { ".css", display_text },
-  { ".glsl", display_text },
-  { ".h", display_text },
-  { ".txt", display_text },
-  { ".ui", display_text },
-  { ".webm", display_video }
+  { ".gif", NULL, display_image },
+  { ".jpg", NULL, display_image },
+  { ".png", NULL, display_image },
+  { ".c", "c", display_text },
+  { ".css", "css", display_text },
+  { ".glsl", NULL, display_text },
+  { ".h", "c", display_text },
+  { ".txt", NULL, display_text },
+  { ".ui", "xml", display_text },
+  { ".webm", NULL, display_video },
+  { "images/", NULL, display_images }
 };
 
 static void
-add_data_tab (const gchar *demoname)
+add_data_tab (const char *demoname)
 {
-  gchar *resource_dir, *resource_name;
-  gchar **resources;
+  char *resource_dir, *resource_name;
+  char **resources;
   GtkWidget *widget, *label;
   guint i, j;
+  char *label_string;
 
   resource_dir = g_strconcat ("/", demoname, NULL);
   resources = g_resources_enumerate_children (resource_dir, 0, NULL);
@@ -714,18 +417,22 @@ add_data_tab (const gchar *demoname)
     {
       resource_name = g_strconcat (resource_dir, "/", resources[i], NULL);
 
-      for (j = 0; j < G_N_ELEMENTS(display_funcs); j++)
+      for (j = 0; j < G_N_ELEMENTS (display_funcs); j++)
         {
           if (g_str_has_suffix (resource_name, display_funcs[j].extension))
             break;
         }
 
-      if (j < G_N_ELEMENTS(display_funcs))
-        widget = display_funcs[j].display_func (resource_name);
+      label_string = NULL;
+
+      if (j < G_N_ELEMENTS (display_funcs))
+        widget = display_funcs[j].display_func (display_funcs[j].format,
+                                                resource_name,
+                                                &label_string);
       else
         widget = display_nothing (resource_name);
 
-      label = gtk_label_new (resources[i]);
+      label = gtk_label_new (label_string ? label_string : resources[i]);
       gtk_widget_show (label);
       gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
       g_object_set (gtk_notebook_get_page (GTK_NOTEBOOK (notebook), widget),
@@ -733,6 +440,7 @@ add_data_tab (const gchar *demoname)
                     NULL);
 
       g_free (resource_name);
+      g_free (label_string);
     }
 
   g_strfreev (resources);
@@ -742,15 +450,15 @@ add_data_tab (const gchar *demoname)
 static void
 remove_data_tabs (void)
 {
-  gint i;
+  int i;
 
   for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) - 1; i > 1; i--)
     gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), i);
 }
 
 void
-load_file (const gchar *demoname,
-           const gchar *filename)
+load_file (const char *demoname,
+           const char *filename)
 {
   GtkTextBuffer *info_buffer, *source_buffer;
   GtkTextIter start, end;
@@ -758,9 +466,9 @@ load_file (const gchar *demoname,
   GError *err = NULL;
   int state = 0;
   gboolean in_para = 0;
-  gchar **lines;
+  char **lines;
   GBytes *bytes;
-  gint i;
+  int i;
 
   if (!g_strcmp0 (current_file, filename))
     return;
@@ -800,9 +508,9 @@ load_file (const gchar *demoname,
   gtk_text_buffer_get_iter_at_offset (info_buffer, &start, 0);
   for (i = 0; lines[i] != NULL; i++)
     {
-      gchar *p;
-      gchar *q;
-      gchar *r;
+      char *p;
+      char *q;
+      char *r;
 
       /* Make sure \r is stripped at the end for the poor windows people */
       lines[i] = g_strchomp (lines[i]);
@@ -916,7 +624,7 @@ load_file (const gchar *demoname,
 
   g_strfreev (lines);
 
-  fontify (source_buffer);
+  fontify ("c", source_buffer);
 
   gtk_text_buffer_end_irreversible_action (source_buffer);
   gtk_text_view_set_buffer (GTK_TEXT_VIEW (source_view), source_buffer);
@@ -970,7 +678,7 @@ filter_demo (GtkDemo *demo)
 {
   int i;
 
-  /* Show only if the name maches every needle */
+  /* Show only if the name matches every needle */
   for (i = 0; search_needle[i]; i++)
     {
       if (!demo->title)
@@ -992,6 +700,7 @@ demo_filter_by_name (GtkTreeListRow     *row,
   GListModel *children;
   GtkDemo *demo;
   guint i, n;
+  GtkTreeListRow *parent;
 
   /* Show all items if search is empty */
   if (!search_needle || !search_needle[0] || !*search_needle[0])
@@ -1000,6 +709,17 @@ demo_filter_by_name (GtkTreeListRow     *row,
   g_assert (GTK_IS_TREE_LIST_ROW (row));
   g_assert (GTK_IS_FILTER_LIST_MODEL (model));
 
+  /* Show a row if itself of any parent matches */
+  for (parent = row; parent; parent = gtk_tree_list_row_get_parent (parent))
+    {
+      demo = gtk_tree_list_row_get_item (parent);
+      g_assert (GTK_IS_DEMO (demo));
+
+      if (filter_demo (demo))
+        return TRUE;
+    }
+
+  /* Show a row if any child matches */
   children = gtk_tree_list_row_get_children (row);
   if (children)
     {
@@ -1018,10 +738,7 @@ demo_filter_by_name (GtkTreeListRow     *row,
         }
     }
 
-  demo = gtk_tree_list_row_get_item (row);
-  g_assert (GTK_IS_DEMO (demo));
-
-  return filter_demo (demo);
+  return FALSE;
 }
 
 static void
@@ -1140,8 +857,8 @@ activate (GApplication *app)
   g_signal_connect (search_bar, "notify::search-mode-enabled", G_CALLBACK (clear_search), NULL);
 
   listmodel = create_demo_model ();
-  treemodel = gtk_tree_list_model_new (FALSE,
-                                       G_LIST_MODEL (listmodel),
+  treemodel = gtk_tree_list_model_new (G_LIST_MODEL (listmodel),
+                                       FALSE,
                                        TRUE,
                                        get_child_model,
                                        NULL,
@@ -1149,6 +866,7 @@ activate (GApplication *app)
   filter_model = gtk_filter_list_model_new (G_LIST_MODEL (treemodel), NULL);
   filter = gtk_custom_filter_new ((GtkCustomFilterFunc)demo_filter_by_name, filter_model, NULL);
   gtk_filter_list_model_set_filter (filter_model, filter);
+  g_object_unref (filter);
   search_entry = GTK_WIDGET (gtk_builder_get_object (builder, "search-entry"));
   g_signal_connect (search_entry, "search-changed", G_CALLBACK (demo_search_changed_cb), filter);
 
@@ -1190,12 +908,12 @@ list_demos (void)
     }
 }
 
-static gint
+static int
 command_line (GApplication            *app,
               GApplicationCommandLine *cmdline)
 {
   GVariantDict *options;
-  const gchar *name = NULL;
+  const char *name = NULL;
   gboolean autoquit = FALSE;
   gboolean list = FALSE;
   DemoData *d, *c;
@@ -1298,8 +1016,8 @@ main (int argc, char **argv)
     { "inspector", activate_inspector, NULL, NULL, NULL },
   };
   struct {
-    const gchar *action_and_target;
-    const gchar *accelerators[2];
+    const char *action_and_target;
+    const char *accelerators[2];
   } accels[] = {
     { "app.about", { "F1", NULL } },
     { "app.quit", { "<Control>q", NULL } },

demos/gtk-demo/main.ui

@@ -70,6 +70,9 @@
 
                 <child>
                   <object class="GtkListView" id="listview">
+                    <style>
+                      <class name="navigation-sidebar"/>
+                    </style>
                     <property name="factory">
                       <object class="GtkBuilderListItemFactory">
                         <property name="resource">/ui/main-listitem.ui</property>
@@ -134,6 +137,10 @@
                         <property name="bottom-margin">20</property>
                         <property name="editable">0</property>
                         <property name="cursor-visible">0</property>
+                        <property name="monospace">1</property>
+                        <property name="wrap-mode">word</property>
+                        <property name="pixels-above-lines">2</property>
+                        <property name="pixels-below-lines">2</property>
                       </object>
                     </child>
                   </object>

demos/gtk-demo/markup.c

@@ -21,7 +21,7 @@ source_toggled (GtkToggleButton *button)
     {
       GtkTextBuffer *buffer;
       GtkTextIter start, end;
-      gchar *markup;
+      char *markup;
 
       buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view2));
       gtk_text_buffer_get_bounds (buffer, &start, &end);
@@ -50,7 +50,7 @@ do_markup (GtkWidget *do_widget)
       GtkTextBuffer *buffer;
       GtkTextIter iter;
       GBytes *bytes;
-      const gchar *markup;
+      const char *markup;
       GtkWidget *header;
       GtkWidget *show_source;
 
@@ -102,7 +102,7 @@ do_markup (GtkWidget *do_widget)
       gtk_stack_add_named (GTK_STACK (stack), sw, "source");
 
       bytes = g_resources_lookup_data ("/markup/markup.txt", 0, NULL);
-      markup = (const gchar *)g_bytes_get_data (bytes, NULL);
+      markup = (const char *)g_bytes_get_data (bytes, NULL);
 
       buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
       gtk_text_buffer_get_start_iter (buffer, &iter);

demos/gtk-demo/meson.build

@@ -38,8 +38,10 @@ demos = files([
   'iconview_edit.c',
   'images.c',
   'infobar.c',
+  'layoutmanager.c',
   'links.c',
   'listbox.c',
+  'listbox2.c',
   'flowbox.c',
   'list_store.c',
   'listview_applauncher.c',
@@ -51,7 +53,6 @@ demos = files([
   'listview_weather.c',
   'listview_words.c',
   'markup.c',
-  'modelbutton.c',
   'overlay.c',
   'overlay2.c',
   'paint.c',
@@ -62,7 +63,6 @@ demos = files([
   'password_entry.c',
   'peg_solitaire.c',
   'pickers.c',
-  'pixbufs.c',
   'printing.c',
   'revealer.c',
   'rotated_text.c',
@@ -93,13 +93,17 @@ demos = files([
 gtkdemo_deps = [ libgtk_dep, ]
 
 extra_demo_sources = files(['main.c',
+                            'fontify.c',
                             'gtkfishbowl.c',
                             'fontplane.c',
                             'gtkgears.c',
                             'puzzlepiece.c',
                             'bluroverlay.c',
                             'demoimage.c',
-                            'demotaggedentry.c'])
+                            'demotaggedentry.c',
+                            'demochild.c',
+                            'demolayout.c',
+                            'demowidget.c'])
 
 if harfbuzz_dep.found() and pangoft_dep.found()
   demos += files('font_features.c')

demos/gtk-demo/modelbutton.c

@@ -1,66 +0,0 @@
-/* Model Button
- *
- * GtkModelButton is a button widget that is designed to be used with
- * a GAction as model. The button will adjust its appearance according
- * to the kind of action it is connected to.
- *
- * It is also possible to use GtkModelButton without a GAction. In this
- * case, you should set the "role" attribute yourself, and connect to the
- * "clicked" signal as you would for any other button.
- *
- * A common use of GtkModelButton is to implement menu-like content
- * in popovers.
- */
-
-#include <gtk/gtk.h>
-
-void
-modelbutton_tool_clicked (GtkButton *button)
-{
-  gboolean active;
-
-  g_object_get (button, "active", &active, NULL);
-  g_object_set (button, "active", !active, NULL);
-}
-
-GtkWidget *
-do_modelbutton (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-  static GActionEntry win_entries[] = {
-    { "color", NULL, "s", "'red'", NULL },
-    { "chocolate", NULL, NULL, "true", NULL },
-    { "vanilla", NULL, NULL, "false", NULL },
-    { "sprinkles", NULL, NULL, NULL, NULL }
-  };
-
-  if (!window)
-    {
-      GtkBuilder *builder;
-      GActionGroup *actions;
-
-      builder = gtk_builder_new_from_resource ("/modelbutton/modelbutton.ui");
-      window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      actions = (GActionGroup*)g_simple_action_group_new ();
-      g_action_map_add_action_entries (G_ACTION_MAP (actions),
-                                       win_entries, G_N_ELEMENTS (win_entries),
-                                       window);
-      gtk_widget_insert_action_group (window, "win", actions);
-
-
-      g_object_unref (builder);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-
-  return window;
-}
-

demos/gtk-demo/modelbutton.ui

@@ -1,133 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window1">
-    <property name="title" translatable="yes">Model Button</property>
-    <property name="resizable">0</property>
-    <child type="titlebar">
-      <object class="GtkHeaderBar"/>
-    </child>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <property name="margin-start">80</property>
-        <property name="margin-end">80</property>
-        <property name="margin-top">80</property>
-        <property name="margin-bottom">80</property>
-        <child>
-          <object class="GtkMenuButton">
-            <property name="popover">thing_a</property>
-            <property name="label">_Color</property>
-            <property name="use-underline">1</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkMenuButton">
-            <property name="popover">thing_b</property>
-            <property name="label">_Flavors</property>
-            <property name="use-underline">1</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkMenuButton">
-            <property name="popover">thing_c</property>
-            <property name="label">_Tools</property>
-            <property name="use-underline">1</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-  <object class="GtkPopover" id="thing_a">
-    <style>
-      <class name="menu"/>
-    </style>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.color</property>
-            <property name="action-target">&apos;red&apos;</property>
-            <property name="text">Red</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.color</property>
-            <property name="action-target">&apos;green&apos;</property>
-            <property name="text">Green</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.color</property>
-            <property name="action-target">&apos;blue&apos;</property>
-            <property name="text">Blue</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-  <object class="GtkPopover" id="thing_b">
-    <style>
-      <class name="menu"/>
-    </style>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.chocolate</property>
-            <property name="text">Chocolate</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.vanilla</property>
-            <property name="text">Vanilla</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkSeparator"/>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="action-name">win.sprinkles</property>
-            <property name="text">Add Sprinkles</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-  <object class="GtkPopover" id="thing_c">
-    <style>
-      <class name="menu"/>
-    </style>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkModelButton">
-            <property name="text">Hammer</property>
-            <property name="role">check</property>
-            <signal name="clicked" handler="modelbutton_tool_clicked"/>
-          </object>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="text">Screwdriver</property>
-            <property name="role">check</property>
-            <signal name="clicked" handler="modelbutton_tool_clicked"/>
-          </object>
-        </child>
-        <child>
-          <object class="GtkModelButton">
-            <property name="text">Drill</property>
-            <property name="role">check</property>
-            <signal name="clicked" handler="modelbutton_tool_clicked"/>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>

demos/gtk-demo/org.gtk.Demo4.appdata.xml

@@ -31,6 +31,11 @@
   <update_contact>matthias.clasen_at_gmail.com</update_contact>
   <developer_name>Matthias Clasen and others</developer_name>
   <releases>
+    <release version="3.99.0" date="2020-07-30">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
     <release version="3.94.0" date="2018-06-25">
       <description>
         <p>A new developers snapshot towards GTK 4.0.</p>

demos/gtk-demo/overlay.c

@@ -2,7 +2,7 @@
  *
  * Shows widgets in static positions over a main widget.
  *
- * The overlayed widgets can be interactive controls such
+ * The overlaid widgets can be interactive controls such
  * as the entry in this example, or just decorative, like
  * the big blue label.
  */

demos/gtk-demo/overlay2.c

@@ -12,9 +12,9 @@ static void
 margin_changed (GtkAdjustment *adjustment,
                 GtkTextView   *text)
 {
-  gint value;
+  int value;
 
-  value = (gint)gtk_adjustment_get_value (adjustment);
+  value = (int)gtk_adjustment_get_value (adjustment);
   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (text), value);
   g_object_set (tag, "pixels-above-lines", value, NULL);
 }

demos/gtk-demo/pagesetup.c

@@ -9,7 +9,7 @@
 #include <gtk/gtkunixprint.h>
 
 static void
-done_cb (GtkDialog *dialog, gint response, gpointer data)
+done_cb (GtkDialog *dialog, int response, gpointer data)
 {
   gtk_window_destroy (GTK_WINDOW (dialog));
 }

demos/gtk-demo/paint.c

@@ -20,7 +20,7 @@ typedef struct
   cairo_t *cr;
   GdkRGBA draw_color;
   GtkPadController *pad_controller;
-  gdouble brush_size;
+  double brush_size;
 } DrawingArea;
 
 typedef struct
@@ -38,7 +38,7 @@ static GtkPadActionEntry pad_actions[] = {
   { GTK_PAD_ACTION_STRIP, -1, -1, N_("Brush size"), "pad.brush_size" },
 };
 
-static const gchar *pad_colors[] = {
+static const char *pad_colors[] = {
   "black",
   "pink",
   "green",
@@ -55,8 +55,8 @@ static void drawing_area_set_color (DrawingArea *area,
 
 static void
 drawing_area_ensure_surface (DrawingArea *area,
-                             gint         width,
-                             gint         height)
+                             int          width,
+                             int          height)
 {
   if (!area->surface ||
       cairo_image_surface_get_width (area->surface) != width ||
@@ -154,7 +154,7 @@ on_pad_button_activate (GSimpleAction *action,
                         GVariant      *parameter,
                         DrawingArea   *area)
 {
-  const gchar *color = g_object_get_data (G_OBJECT (action), "color");
+  const char *color = g_object_get_data (G_OBJECT (action), "color");
   GdkRGBA rgba;
 
   gdk_rgba_parse (&rgba, color);
@@ -166,7 +166,7 @@ on_pad_knob_change (GSimpleAction *action,
                     GVariant      *parameter,
                     DrawingArea   *area)
 {
-  gdouble value = g_variant_get_double (parameter);
+  double value = g_variant_get_double (parameter);
 
   area->brush_size = value;
 }
@@ -195,7 +195,7 @@ drawing_area_root (GtkWidget *widget)
   GSimpleActionGroup *action_group;
   GSimpleAction *action;
   GtkWidget *toplevel;
-  gint i;
+  int i;
 
   GTK_WIDGET_CLASS (drawing_area_parent_class)->root (widget);
 
@@ -255,9 +255,9 @@ drawing_area_class_init (DrawingAreaClass *klass)
 static void
 drawing_area_apply_stroke (DrawingArea   *area,
                            GdkDeviceTool *tool,
-                           gdouble        x,
-                           gdouble        y,
-                           gdouble        pressure)
+                           double         x,
+                           double         y,
+                           double         pressure)
 {
   if (gdk_device_tool_get_tool_type (tool) == GDK_DEVICE_TOOL_TYPE_ERASER)
     {
@@ -281,8 +281,8 @@ drawing_area_apply_stroke (DrawingArea   *area,
 
 static void
 stylus_gesture_down (GtkGestureStylus *gesture,
-                     gdouble           x,
-                     gdouble           y,
+                     double            x,
+                     double            y,
                      DrawingArea      *area)
 {
   cairo_new_path (area->cr);
@@ -290,13 +290,13 @@ stylus_gesture_down (GtkGestureStylus *gesture,
 
 static void
 stylus_gesture_motion (GtkGestureStylus *gesture,
-                       gdouble           x,
-                       gdouble           y,
+                       double            x,
+                       double            y,
                        DrawingArea      *area)
 {
   GdkTimeCoord *backlog;
   GdkDeviceTool *tool;
-  gdouble pressure;
+  double pressure;
   guint n_items;
 
   tool = gtk_gesture_stylus_get_device_tool (gesture);

demos/gtk-demo/paintable_mediastream.c

@@ -293,6 +293,7 @@ do_paintable_mediastream (GtkWidget *do_widget)
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Nuclear MediaStream");
       gtk_window_set_default_size (GTK_WINDOW (window), 300, 200);
+      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
       nuclear = gtk_nuclear_media_stream_new ();
       gtk_media_stream_set_loop (GTK_MEDIA_STREAM (nuclear), TRUE);

demos/gtk-demo/panes.c

@@ -47,9 +47,9 @@ toggle_shrink (GtkWidget *widget,
 
 static GtkWidget *
 create_pane_options (GtkPaned    *paned,
-                     const gchar *frame_label,
-                     const gchar *label1,
-                     const gchar *label2)
+                     const char *frame_label,
+                     const char *label1,
+                     const char *label2)
 {
   GtkWidget *child1, *child2;
   GtkWidget *frame;
@@ -61,10 +61,6 @@ create_pane_options (GtkPaned    *paned,
   child2 = gtk_paned_get_end_child (paned);
 
   frame = gtk_frame_new (frame_label);
-  gtk_widget_set_margin_start (frame, 4);
-  gtk_widget_set_margin_end (frame, 4);
-  gtk_widget_set_margin_top (frame, 4);
-  gtk_widget_set_margin_bottom (frame, 4);
 
   table = gtk_grid_new ();
   gtk_frame_set_child (GTK_FRAME (frame), table);
@@ -110,6 +106,7 @@ do_panes (GtkWidget *do_widget)
   GtkWidget *vpaned;
   GtkWidget *button;
   GtkWidget *vbox;
+  GtkWidget *box;
 
   if (!window)
     {
@@ -120,33 +117,42 @@ do_panes (GtkWidget *do_widget)
 
       gtk_window_set_title (GTK_WINDOW (window), "Paned Widgets");
 
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
+      gtk_widget_set_margin_start (vbox, 8);
+      gtk_widget_set_margin_end (vbox, 8);
+      gtk_widget_set_margin_top (vbox, 8);
+      gtk_widget_set_margin_bottom (vbox, 8);
       gtk_window_set_child (GTK_WINDOW (window), vbox);
 
+      frame = gtk_frame_new (NULL);
+      gtk_box_append (GTK_BOX (vbox), frame);
+
       vpaned = gtk_paned_new (GTK_ORIENTATION_VERTICAL);
-      gtk_widget_set_margin_start (vpaned, 5);
-      gtk_widget_set_margin_end (vpaned, 5);
-      gtk_widget_set_margin_top (vpaned, 5);
-      gtk_widget_set_margin_bottom (vpaned, 5);
-      gtk_box_append (GTK_BOX (vbox), vpaned);
+      gtk_frame_set_child (GTK_FRAME (frame), vpaned);
 
       hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
       gtk_paned_set_start_child (GTK_PANED (vpaned), hpaned);
 
-      frame = gtk_frame_new (NULL);
-      gtk_widget_set_size_request (frame, 60, 60);
-      gtk_paned_set_start_child (GTK_PANED (hpaned), frame);
+      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      gtk_widget_set_size_request (box, 60, 60);
+      gtk_paned_set_start_child (GTK_PANED (hpaned), box);
 
       button = gtk_button_new_with_mnemonic ("_Hi there");
-      gtk_frame_set_child (GTK_FRAME (frame), button);
+      gtk_widget_set_margin_start (button, 4);
+      gtk_widget_set_margin_end (button, 4);
+      gtk_widget_set_margin_top (button, 4);
+      gtk_widget_set_margin_bottom (button, 4);
+      gtk_widget_set_hexpand (button, TRUE);
+      gtk_widget_set_vexpand (button, TRUE);
+      gtk_box_append (GTK_BOX (box), button);
 
-      frame = gtk_frame_new (NULL);
-      gtk_widget_set_size_request (frame, 80, 60);
-      gtk_paned_set_end_child (GTK_PANED (hpaned), frame);
+      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      gtk_widget_set_size_request (box, 80, 60);
+      gtk_paned_set_end_child (GTK_PANED (hpaned), box);
 
-      frame = gtk_frame_new (NULL);
-      gtk_widget_set_size_request (frame, 60, 80);
-      gtk_paned_set_end_child (GTK_PANED (vpaned), frame);
+      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      gtk_widget_set_size_request (box, 60, 80);
+      gtk_paned_set_end_child (GTK_PANED (vpaned), box);
 
       /* Now create toggle buttons to control sizing */
 

demos/gtk-demo/peg_solitaire.c

@@ -4,10 +4,9 @@
  *
  */
 
+#include "config.h"
 #include <gtk/gtk.h>
 
-static GtkWidget *window = NULL;
-
 /* Create an object for the pegs that get moved around in the game.
  *
  * We implement the GdkPaintable interface for them, so we can use GtkPicture
@@ -56,11 +55,25 @@ solitaire_peg_get_flags (GdkPaintable *paintable)
   return GDK_PAINTABLE_STATIC_CONTENTS | GDK_PAINTABLE_STATIC_SIZE;
 }
 
+static int
+solitaire_peg_get_intrinsic_width (GdkPaintable *paintable)
+{
+  return 32;
+}
+
+static int
+solitaire_peg_get_intrinsic_height (GdkPaintable *paintable)
+{
+  return 32;
+}
+
 static void
 solitaire_peg_paintable_init (GdkPaintableInterface *iface)
 {
   iface->snapshot = solitaire_peg_snapshot;
   iface->get_flags = solitaire_peg_get_flags;
+  iface->get_intrinsic_width = solitaire_peg_get_intrinsic_width;
+  iface->get_intrinsic_height = solitaire_peg_get_intrinsic_height;
 }
 
 /* When defining the GType, we need to implement the GdkPaintable interface */
@@ -103,6 +116,95 @@ solitaire_peg_new (void)
   return g_object_new (SOLITAIRE_TYPE_PEG, NULL);
 }
 
+/*** Helper for finding a win ***/
+
+static void
+ended (GObject *object)
+{
+  g_object_unref (object);
+}
+
+static void
+celebrate (gboolean win)
+{
+  char *path;
+  GtkMediaStream *stream;
+
+  if (win)
+    path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "complete.oga", NULL);
+  else
+    path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "dialog-error.oga", NULL);
+  stream = gtk_media_file_new_for_filename (path);
+  gtk_media_stream_set_volume (stream, 1.0);
+  gtk_media_stream_play (stream);
+
+  g_signal_connect (stream, "notify::ended", G_CALLBACK (ended), NULL);
+  g_free (path);
+}
+
+static int
+check_move (GtkGrid *grid,
+            int      x,
+            int      y,
+            int      dx,
+            int      dy)
+{
+  GtkWidget *image;
+  /* We have a peg at x, y.
+   * Check if we can move the peg to x + 2*dx, y + 2*dy
+   */
+  image = gtk_grid_get_child_at (grid, x + dx, y + dy);
+  if (!GTK_IS_IMAGE (image) ||
+      !SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
+    return 0;
+
+  image = gtk_grid_get_child_at (grid, x + 2*dx, y + 2*dy);
+  if (!GTK_IMAGE (image) ||
+      SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
+    return 0;
+
+  return 1;
+}
+
+static void
+check_for_end (GtkGrid *grid)
+{
+  GtkWidget *image;
+  int x, y;
+  int pegs;
+  int moves;
+
+  pegs = 0;
+  moves = 0;
+  for (x = 0; x < 7; x++)
+    {
+      for (y = 0; y < 7; y++)
+        {
+          image = gtk_grid_get_child_at (grid, x, y);
+          if (GTK_IS_IMAGE (image) &&
+              SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
+            {
+              pegs++;
+              moves += check_move (grid, x, y, 1, 0);
+              moves += check_move (grid, x, y, -1, 0);
+              moves += check_move (grid, x, y, 0, 1);
+              moves += check_move (grid, x, y, 0, -1);
+            }
+
+          if (pegs > 1 && moves > 0)
+            break;
+        }
+    }
+
+  image = gtk_grid_get_child_at (grid, 3, 3);
+  if (pegs == 1 &&
+      SOLITAIRE_IS_PEG (gtk_image_get_paintable (GTK_IMAGE (image))))
+    celebrate (TRUE);
+  else if (moves == 0)
+    celebrate (FALSE);
+}
+
+
 /*** DRAG AND DROP ***/
 
 /* The user tries to start a drag operation.
@@ -154,7 +256,7 @@ drag_begin (GtkDragSource *source,
   gtk_image_clear (GTK_IMAGE (image));
 }
 
-/* Thie is called once a drag operation has ended (successfully or not).
+/* This is called once a drag operation has ended (successfully or not).
  * We want to undo what we did in drag_begin() above and react
  * to a potential move of the peg.
  */
@@ -255,29 +357,120 @@ drop_drop (GtkDropTarget *target,
   solitaire_peg_set_position (peg, image_x, image_y);
   gtk_image_set_from_paintable (GTK_IMAGE (image), GDK_PAINTABLE (peg));
 
+  /* Maybe we have something to celebrate */
+  check_for_end (grid);
+
   /* Success! */
   return TRUE;
 }
 
+static void
+create_board (GtkWidget *window)
+{
+  GtkWidget *grid;
+  GtkWidget *image;
+  int x, y;
+  GtkDragSource *source;
+  GtkDropTarget *target;
+  GtkCssProvider *provider;
+  const char css[] =
+    ".solitaire-field {"
+    "  border: 1px solid lightgray;"
+    "}";
+
+  provider = gtk_css_provider_new ();
+  gtk_css_provider_load_from_data (provider, css, -1);
+
+  grid = gtk_grid_new ();
+  gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
+  gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
+  gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
+  gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
+  gtk_grid_set_row_homogeneous (GTK_GRID (grid), TRUE);
+  gtk_grid_set_column_homogeneous (GTK_GRID (grid), TRUE);
+  gtk_window_set_child (GTK_WINDOW (window), grid);
+
+  for (x = 0; x < 7; x++)
+    {
+      for (y = 0; y < 7; y++)
+        {
+          if ((x < 2 || x >= 5) && (y < 2 || y >= 5))
+            continue;
+
+          image = gtk_image_new ();
+          gtk_style_context_add_provider (gtk_widget_get_style_context (image),
+                                          GTK_STYLE_PROVIDER (provider),
+                                          800);
+          gtk_widget_add_css_class (image, "solitaire-field");
+          gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
+          if (x != 3 || y != 3)
+            {
+              SolitairePeg *peg = solitaire_peg_new ();
+              solitaire_peg_set_position (peg, x, y);
+              gtk_image_set_from_paintable (GTK_IMAGE (image), GDK_PAINTABLE (peg));
+            }
+
+          gtk_grid_attach (GTK_GRID (grid), image, x, y, 1, 1);
+
+          /* Set up the drag source.
+           * This is rather straightforward: Set the supported actions
+           * (in our case, pegs can only be moved) and connect all the
+           * relevant signals.
+           * And because all drag'n'drop handling is done via event controllers,
+           * we need to add the controller to the widget.
+           */
+          source = gtk_drag_source_new ();
+          gtk_drag_source_set_actions (source, GDK_ACTION_MOVE);
+          g_signal_connect (source, "prepare", G_CALLBACK (drag_prepare), image);
+          g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
+          g_signal_connect (source, "drag-end", G_CALLBACK (drag_end), image);
+          gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (source));
+
+          /* Set up the drop target.
+           * This is more involved, because the game logic goes here.
+           */
+
+          /* First we specify the data we accept: pegs.
+           * And we only want moves.
+           */
+          target = gtk_drop_target_new (SOLITAIRE_TYPE_PEG, GDK_ACTION_MOVE);
+          /* Then we connect our signals.
+           */
+          g_signal_connect (target, "accept", G_CALLBACK (drop_accept), image);
+          g_signal_connect (target, "drop", G_CALLBACK (drop_drop), image);
+          /* Finally, like above, we add it to the widget.
+           */
+          gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (target));
+        }
+    }
+
+  g_object_unref (provider);
+}
+
+static void
+restart_game (GtkButton *button,
+              GtkWidget *window)
+{
+  create_board (window);
+}
+
 GtkWidget *
 do_peg_solitaire (GtkWidget *do_widget)
 {
+  static GtkWidget *window = NULL;
+
   if (!window)
     {
       GtkWidget *header;
       GtkWidget *restart;
-      GtkWidget *grid;
-      GtkWidget *image;
-      int x, y;
-      GtkDragSource *source;
-      GtkDropTarget *target;
+
+      window = gtk_window_new ();
 
       restart = gtk_button_new_from_icon_name ("view-refresh-symbolic");
-      g_signal_connect (restart, "clicked", G_CALLBACK (restart), NULL);
+      g_signal_connect (restart, "clicked", G_CALLBACK (restart_game), window);
 
       header = gtk_header_bar_new ();
       gtk_header_bar_pack_start (GTK_HEADER_BAR (header), restart);
-      window = gtk_window_new ();
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Peg Solitaire");
@@ -285,63 +478,7 @@ do_peg_solitaire (GtkWidget *do_widget)
       gtk_window_set_default_size (GTK_WINDOW (window), 400, 300);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
-      grid = gtk_grid_new ();
-      gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
-      gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
-      gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
-      gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
-      gtk_grid_set_row_homogeneous (GTK_GRID (grid), TRUE);
-      gtk_grid_set_column_homogeneous (GTK_GRID (grid), TRUE);
-      gtk_window_set_child (GTK_WINDOW (window), grid);
-
-      for (x = 0; x < 7; x++)
-        {
-          for (y = 0; y < 7; y++)
-            {
-              if ((x < 2 || x >= 5) && (y < 2 || y >= 5))
-                continue;
-
-              image = gtk_image_new ();
-              if (x != 3 || y != 3)
-                {
-                  SolitairePeg *peg = solitaire_peg_new ();
-                  solitaire_peg_set_position (peg, x, y);
-                  gtk_image_set_from_paintable (GTK_IMAGE (image), GDK_PAINTABLE (peg));
-                }
-
-              gtk_grid_attach (GTK_GRID (grid), image, x, y, 1, 1);
-
-              /* Set up the drag source.
-               * This is rather straightforward: Set the supported actions
-               * (in our case, pegs can only be moved) and connect all the
-               * relevant signals.
-               * And because all drag'n'drop handling is done via event controllers,
-               * we need to add the controller to the widget.
-               */
-              source = gtk_drag_source_new ();
-              gtk_drag_source_set_actions (source, GDK_ACTION_MOVE);
-              g_signal_connect (source, "prepare", G_CALLBACK (drag_prepare), image);
-              g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
-              g_signal_connect (source, "drag-end", G_CALLBACK (drag_end), image);
-              gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (source));
-
-              /* Set up the drop target.
-               * This is more involved, because the game logic goes here.
-               */
-
-              /* First we specify the data we accept: pegs.
-               * And we only want moves.
-               */
-              target = gtk_drop_target_new (SOLITAIRE_TYPE_PEG, GDK_ACTION_MOVE);
-              /* Then we connect our signals.
-               */
-              g_signal_connect (target, "accept", G_CALLBACK (drop_accept), image);
-              g_signal_connect (target, "drop", G_CALLBACK (drop_drop), image);
-              /* Finally, like above, we add it to the widget.
-               */
-              gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (target));
-            }
-        }
+      create_board (window);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/pickers.c

@@ -6,11 +6,34 @@
 
 #include <gtk/gtk.h>
 
+#define COLOR(r,g,b) { r/255., g/255., b/255., 1.0 }
+
 GtkWidget *
 do_pickers (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
   GtkWidget *table, *label, *picker;
+  GdkRGBA solarized[] = {
+    COLOR (0xff, 0xff, 0xff),
+    COLOR (0x07, 0x36, 0x42),
+    COLOR (0xdc, 0x32, 0x2f),
+    COLOR (0x85, 0x99, 0x00),
+    COLOR (0xb5, 0x89, 0x00),
+    COLOR (0x26, 0x8b, 0xd2),
+    COLOR (0xd3, 0x36, 0x82),
+    COLOR (0x2a, 0xa1, 0x98),
+    COLOR (0xee, 0xe8, 0xd5),
+
+    COLOR (0x00, 0x00, 0x00),
+    COLOR (0x00, 0x2b, 0x36),
+    COLOR (0xcb, 0x4b, 0x16),
+    COLOR (0x58, 0x6e, 0x75),
+    COLOR (0x65, 0x7b, 0x83),
+    COLOR (0x83, 0x94, 0x96),
+    COLOR (0x6c, 0x71, 0xc4),
+    COLOR (0x93, 0xa1, 0xa1),
+    COLOR (0xfd, 0xf6, 0xe3),
+  };
 
   if (!window)
   {
@@ -34,6 +57,13 @@ do_pickers (GtkWidget *do_widget)
     gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
     gtk_widget_set_hexpand (label, TRUE);
     picker = gtk_color_button_new ();
+    gtk_color_button_set_title (GTK_COLOR_BUTTON (picker), "Solarized colors");
+    gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (picker),
+                                   GTK_ORIENTATION_HORIZONTAL,
+                                   9,
+                                   18,
+                                   solarized);
+
     gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
     gtk_grid_attach (GTK_GRID (table), picker, 1, 0, 1, 1);
 

demos/gtk-demo/pixbufs.c

@@ -1,228 +0,0 @@
-/* Pixbufs
- *
- * A GdkPixbuf represents an image, normally in RGB or RGBA format.
- * Pixbufs are normally used to load files from disk and perform
- * image scaling.
- *
- * This demo is not all that educational, but looks cool. It was written
- * by Extreme Pixbuf Hacker Federico Mena Quintero. It also shows
- * off how to use GtkDrawingArea to do a simple animation.
- *
- * Look at the Image demo for additional pixbuf usage examples.
- *
- */
-
-#include <stdlib.h>
-#include <gtk/gtk.h>
-#include <math.h>
-
-#define BACKGROUND_NAME "/pixbufs/background.jpg"
-
-static const char *image_names[] = {
-  "/pixbufs/apple-red.png",
-  "/pixbufs/gnome-applets.png",
-  "/pixbufs/gnome-calendar.png",
-  "/pixbufs/gnome-foot.png",
-  "/pixbufs/gnome-gmush.png",
-  "/pixbufs/gnome-gimp.png",
-  "/pixbufs/gnome-gsame.png",
-  "/pixbufs/gnu-keys.png"
-};
-
-#define N_IMAGES G_N_ELEMENTS (image_names)
-
-/* demo window */
-static GtkWidget *window = NULL;
-
-/* Current frame */
-static GdkPixbuf *frame;
-
-/* Background image */
-static GdkPixbuf *background;
-static gint back_width, back_height;
-
-/* Images */
-static GdkPixbuf *images[N_IMAGES];
-
-/* Widgets */
-static GtkWidget *da;
-
-/* Loads the images for the demo and returns whether the operation succeeded */
-static gboolean
-load_pixbufs (GError **error)
-{
-  gint i;
-
-  if (background)
-    return TRUE; /* already loaded earlier */
-
-  background = gdk_pixbuf_new_from_resource (BACKGROUND_NAME, error);
-  if (!background)
-    return FALSE; /* Note that "error" was filled with a GError */
-
-  back_width = gdk_pixbuf_get_width (background);
-  back_height = gdk_pixbuf_get_height (background);
-
-  for (i = 0; i < N_IMAGES; i++)
-    {
-      images[i] = gdk_pixbuf_new_from_resource (image_names[i], error);
-
-      if (!images[i])
-        return FALSE; /* Note that "error" was filled with a GError */
-    }
-
-  return TRUE;
-}
-
-/* Expose callback for the drawing area */
-static void
-draw_func (GtkDrawingArea *area,
-           cairo_t        *cr,
-           int             width,
-           int             height,
-           gpointer        data)
-{
-  gdk_cairo_set_source_pixbuf (cr, frame, 0, 0);
-  cairo_paint (cr);
-}
-
-#define CYCLE_TIME 3000000 /* 3 seconds */
-
-static gint64 start_time;
-
-/* Handler to regenerate the frame */
-static gboolean
-on_tick (GtkWidget     *widget,
-         GdkFrameClock *frame_clock,
-         gpointer       data)
-{
-  gint64 current_time;
-  double f;
-  int i;
-  double xmid, ymid;
-  double radius;
-
-  gdk_pixbuf_copy_area (background, 0, 0, back_width, back_height,
-                        frame, 0, 0);
-
-  if (start_time == 0)
-    start_time = gdk_frame_clock_get_frame_time (frame_clock);
-
-  current_time = gdk_frame_clock_get_frame_time (frame_clock);
-  f = ((current_time - start_time) % CYCLE_TIME) / (double)CYCLE_TIME;
-
-  xmid = back_width / 2.0;
-  ymid = back_height / 2.0;
-
-  radius = MIN (xmid, ymid) / 2.0;
-
-  for (i = 0; i < N_IMAGES; i++)
-    {
-      double ang;
-      int xpos, ypos;
-      int iw, ih;
-      double r;
-      GdkRectangle r1, r2, dest;
-      double k;
-
-      ang = 2.0 * G_PI * (double) i / N_IMAGES - f * 2.0 * G_PI;
-
-      iw = gdk_pixbuf_get_width (images[i]);
-      ih = gdk_pixbuf_get_height (images[i]);
-
-      r = radius + (radius / 3.0) * sin (f * 2.0 * G_PI);
-
-      xpos = floor (xmid + r * cos (ang) - iw / 2.0 + 0.5);
-      ypos = floor (ymid + r * sin (ang) - ih / 2.0 + 0.5);
-
-      k = (i & 1) ? sin (f * 2.0 * G_PI) : cos (f * 2.0 * G_PI);
-      k = 2.0 * k * k;
-      k = MAX (0.25, k);
-
-      r1.x = xpos;
-      r1.y = ypos;
-      r1.width = iw * k;
-      r1.height = ih * k;
-
-      r2.x = 0;
-      r2.y = 0;
-      r2.width = back_width;
-      r2.height = back_height;
-
-      if (gdk_rectangle_intersect (&r1, &r2, &dest))
-        gdk_pixbuf_composite (images[i],
-                              frame,
-                              dest.x, dest.y,
-                              dest.width, dest.height,
-                              xpos, ypos,
-                              k, k,
-                              GDK_INTERP_NEAREST,
-                              ((i & 1)
-                               ? MAX (127, fabs (255 * sin (f * 2.0 * G_PI)))
-                               : MAX (127, fabs (255 * cos (f * 2.0 * G_PI)))));
-    }
-
-  gtk_widget_queue_draw (da);
-
-  return G_SOURCE_CONTINUE;
-}
-
-GtkWidget *
-do_pixbufs (GtkWidget *do_widget)
-{
-  if (!window)
-    {
-      GError *error;
-
-      window = gtk_window_new ();
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-      gtk_window_set_title (GTK_WINDOW (window), "Pixbufs");
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      error = NULL;
-      if (!load_pixbufs (&error))
-        {
-          GtkWidget *dialog;
-
-          dialog = gtk_message_dialog_new (GTK_WINDOW (window),
-                                           GTK_DIALOG_DESTROY_WITH_PARENT,
-                                           GTK_MESSAGE_ERROR,
-                                           GTK_BUTTONS_CLOSE,
-                                           "Failed to load an image: %s",
-                                           error->message);
-
-          g_error_free (error);
-
-          g_signal_connect (dialog, "response",
-                            G_CALLBACK (gtk_window_destroy), NULL);
-
-          gtk_widget_show (dialog);
-        }
-      else
-        {
-          frame = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, back_width, back_height);
-
-          da = gtk_drawing_area_new ();
-
-          gtk_drawing_area_set_content_width (GTK_DRAWING_AREA (da), back_width);
-          gtk_drawing_area_set_content_height (GTK_DRAWING_AREA (da), back_height);
-          gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (da), draw_func, NULL, NULL);
-
-          gtk_window_set_child (GTK_WINDOW (window), da);
-
-          gtk_widget_add_tick_callback (da, on_tick, NULL, NULL);
-        }
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    {
-      gtk_window_destroy (GTK_WINDOW (window));
-      g_object_unref (frame);
-    }
-
-  return window;
-}

demos/gtk-demo/printing.c

@@ -14,13 +14,13 @@
 
 typedef struct
 {
-  gchar *resourcename;
-  gdouble font_size;
+  char *resourcename;
+  double font_size;
 
-  gint lines_per_page;
-  gchar **lines;
-  gint num_lines;
-  gint num_pages;
+  int lines_per_page;
+  char **lines;
+  int num_lines;
+  int num_pages;
 } PrintData;
 
 static void
@@ -55,17 +55,17 @@ begin_print (GtkPrintOperation *operation,
 static void
 draw_page (GtkPrintOperation *operation,
            GtkPrintContext   *context,
-           gint               page_nr,
+           int                page_nr,
            gpointer           user_data)
 {
   PrintData *data = (PrintData *)user_data;
   cairo_t *cr;
   PangoLayout *layout;
-  gint text_width, text_height;
-  gdouble width;
-  gint line, i;
+  int text_width, text_height;
+  double width;
+  int line, i;
   PangoFontDescription *desc;
-  gchar *page_str;
+  char *page_str;
 
   cr = gtk_print_context_get_cairo_context (context);
   width = gtk_print_context_get_width (context);

demos/gtk-demo/revealer.c

@@ -6,7 +6,7 @@
 
 #include <gtk/gtk.h>
 
-static gint count = 0;
+static int count = 0;
 static guint timeout = 0;
 
 static void
@@ -25,7 +25,7 @@ static gboolean
 reveal_one (gpointer data)
 {
   GtkWidget *window = data;
-  gchar *name;
+  char *name;
   GtkRevealer *revealer;
 
   name = g_strdup_printf ("revealer%d", count);

demos/gtk-demo/revealer.ui

@@ -19,8 +19,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">2</property>
+              <property name="column">2</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -35,8 +35,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -51,8 +51,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">3</property>
-              <property name="top-attach">2</property>
+              <property name="column">3</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -66,8 +66,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
             </layout>
           </object>
         </child>
@@ -82,8 +82,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -98,8 +98,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">0</property>
+              <property name="column">2</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -114,8 +114,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">2</property>
+              <property name="column">4</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -129,8 +129,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">4</property>
+              <property name="column">2</property>
+              <property name="row">4</property>
             </layout>
           </object>
         </child>
@@ -145,8 +145,8 @@
               </object>
             </child>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/rotated_text.c

@@ -189,7 +189,7 @@ do_rotated_text (GtkWidget *do_widget)
       /* Add a drawing area */
       drawing_area = gtk_drawing_area_new ();
       gtk_box_append (GTK_BOX (box), drawing_area);
-      gtk_widget_add_css_class (drawing_area, GTK_STYLE_CLASS_VIEW);
+      gtk_widget_add_css_class (drawing_area, "view");
 
       gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (drawing_area),
                                       rotated_text_draw,

demos/gtk-demo/scale.ui

@@ -33,12 +33,9 @@
           <object class="GtkLabel" id="label_plain">
             <property name="label">Plain</property>
             <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_plain"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -48,12 +45,9 @@
             <property name="draw-value">0</property>
             <property name="adjustment">adjustment1</property>
             <property name="hexpand">1</property>
-            <accessibility>
-              <relation type="labelled-by" target="label_plain"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
             </layout>
           </object>
         </child>
@@ -61,12 +55,9 @@
           <object class="GtkLabel" id="label_marks">
             <property name="label">Marks</property>
             <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_marks"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -83,12 +74,9 @@
               <mark value="3" position="bottom"></mark>
               <mark value="4" position="bottom"></mark>
             </marks>
-            <accessibility>
-              <relation type="labelled-by" target="label_marks"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
             </layout>
           </object>
         </child>
@@ -96,12 +84,9 @@
           <object class="GtkLabel" id="label_discrete">
             <property name="label">Discrete</property>
             <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_discrete"/>
-            </accessibility>
             <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>
@@ -112,9 +97,6 @@
             <property name="draw-value">0</property>
             <property name="adjustment">adjustment3</property>
             <property name="hexpand">1</property>
-            <accessibility>
-              <relation type="labelled-by" target="label_discrete"/>
-            </accessibility>
             <marks>
               <mark value="0" position="bottom"></mark>
               <mark value="1" position="bottom"></mark>
@@ -123,8 +105,8 @@
               <mark value="4" position="bottom"></mark>
             </marks>
             <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
             </layout>
           </object>
         </child>

demos/gtk-demo/search_entry.c

@@ -37,6 +37,7 @@ static void
 search_progress_done (GtkEntry *entry)
 {
   gtk_entry_set_progress_fraction (entry, 0.0);
+  g_object_unref (entry);
 }
 
 static gboolean
@@ -54,9 +55,11 @@ finish_search (GtkButton *button)
 static gboolean
 start_search_feedback (gpointer data)
 {
+  gtk_entry_set_progress_fraction (GTK_ENTRY (data), 0.1);
   search_progress_id = g_timeout_add_full (G_PRIORITY_DEFAULT, 100,
-                                           (GSourceFunc)search_progress, data,
+                                           (GSourceFunc)search_progress, g_object_ref (data),
                                            (GDestroyNotify)search_progress_done);
+
   return G_SOURCE_REMOVE;
 }
 
@@ -123,7 +126,7 @@ set_search_by (GSimpleAction *action,
 
 static void
 icon_press_cb (GtkEntry       *entry,
-               gint            position,
+               int             position,
                gpointer        data)
 {
   if (position == GTK_ENTRY_ICON_PRIMARY)
@@ -162,7 +165,8 @@ activate_cb (GtkEntry  *entry,
 }
 
 static void
-search_entry_destroyed (GtkWidget *widget)
+search_entry_destroyed (gpointer  data,
+                        GObject  *widget)
 {
   if (finish_search_id != 0)
     {
@@ -261,8 +265,8 @@ do_search_entry (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),  gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Search Entry");
       gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
-      g_signal_connect (window, "destroy",
-                        G_CALLBACK (search_entry_destroyed), &window);
+
+      g_object_weak_ref (G_OBJECT (window), search_entry_destroyed, &window);
 
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
       gtk_widget_set_margin_start (vbox, 5);

demos/gtk-demo/shortcuts.c

@@ -8,12 +8,12 @@
 
 static void
 show_shortcuts (GtkWidget   *window,
-                const gchar *id,
-                const gchar *view)
+                const char *id,
+                const char *view)
 {
   GtkBuilder *builder;
   GtkWidget *overlay;
-  gchar *path;
+  char *path;
 
   path = g_strdup_printf ("/shortcuts/%s.ui", id);
   builder = gtk_builder_new_from_resource (path);

demos/gtk-demo/sidebar.c

@@ -18,7 +18,7 @@ do_sidebar (GtkWidget *do_widget)
   GtkWidget *box;
   GtkWidget *widget;
   GtkWidget *header;
-  const gchar* pages[] = {
+  const char * pages[] = {
     "Welcome to GTK",
     "GtkStackSidebar Widget",
     "Automatic navigation",
@@ -30,7 +30,7 @@ do_sidebar (GtkWidget *do_widget)
     "Page 9",
     NULL
   };
-  const gchar *c = NULL;
+  const char *c = NULL;
   guint i;
 
   if (!window)