gsk: Tweak GskGLShader long desc

Reformulate one paragraph, as suggested by Benjamin.

.gitlab-ci.yml

@@ -1,7 +1,3 @@
-include:
-  - project: 'gnome/citemplates'
-    file: 'flatpak/flatpak_ci_initiative.yml'
-
 stages:
   - build
   - analysis
@@ -20,13 +16,13 @@ stages:
 
 # Common variables
 variables:
-  COMMON_MESON_FLAGS: "-Dwerror=true -Dglib:werror=false -Dpango:werror=false -Dgtk-doc:werror=false -Dwayland-protocols:werror=false -Dsysprof:werror=false"
+  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:v25"
+  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:v25"
+  DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora-docs:v19"
 
 .only-default:
   only:
@@ -78,6 +74,7 @@ fedora-x86_64:
   script:
     - meson subprojects update
     - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
+            -Dsysprof=enabled
             _build
     - ninja -C _build
     - .gitlab-ci/run-tests.sh _build x11
@@ -103,7 +100,6 @@ installed-tests:
   needs: []
   variables:
     EXTRA_MESON_FLAGS: "--prefix=/usr --libdir=/usr/lib64 -Dinstall-tests=true"
-    G_TEST_ACCESSIBLE: 1
   script:
     - meson subprojects update
     - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
@@ -153,7 +149,6 @@ msys2-mingw64:
   artifacts:
     paths:
       - "${APPID}-dev.flatpak"
-      - 'repo.tar'
     expire_in: 1 day
   script:
     - bash -x ./.gitlab-ci/flatpak-build.sh "${APPID}"
@@ -205,24 +200,6 @@ flatpak-master:icon-browser:
   variables:
     APPID: org.gtk.IconBrowser4
 
-# Publish the demo apps to the GNOME Nightly repo
-# https://wiki.gnome.org/Apps/Nightly
-# https://gitlab.gnome.org/GNOME/Initiatives/-/wikis/DevOps-with-Flatpak
-nightly demo:
-    extends: '.publish_nightly'
-    dependencies: ['flatpak-master:demo']
-    needs: ['flatpak-master:demo']
-
-nightly factory:
-    extends: '.publish_nightly'
-    dependencies: ['flatpak-master:widget-factory']
-    needs: ['flatpak-master:widget-factory']
-
-nightly icon-browser:
-    extends: '.publish_nightly'
-    dependencies: ['flatpak-master:icon-browser']
-    needs: ['flatpak-master:icon-browser']
-
 static-scan:
   image: $FEDORA_IMAGE
   stage: analysis
@@ -246,7 +223,7 @@ asan-build:
   needs: []
   variables:
   script:
-    - CC=clang meson --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=disabled _build
+    - CC=clang meson --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=false _build
     - ninja -C _build
     - .gitlab-ci/run-tests.sh _build wayland
   artifacts:

.gitlab-ci/fedora-base.Dockerfile

@@ -44,7 +44,6 @@ RUN dnf -y install \
     lcov \
     libasan \
     libattr-devel \
-    libcloudproviders-devel \
     libepoxy-devel \
     libffi-devel \
     libmount-devel \
@@ -87,5 +86,5 @@ RUN dnf -y install \
     xorg-x11-server-Xvfb \
  && dnf clean all
 
-RUN pip3 install meson==0.55.3
+RUN pip3 install meson==0.53.1
 

.gitlab-ci/fedora-docs.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v25
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v19
 
 RUN dnf -y install pandoc
 

.gitlab-ci/fedora.Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v25
+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

.gitlab-ci/flatpak-build.sh

@@ -22,7 +22,7 @@ flatpak build ${builddir} meson \
                 -Dprint-backends=file \
                 -Dbuild-tests=false \
                 -Dbuild-examples=false \
-                -Dintrospection=disabled \
+                -Dintrospection=false \
                 -Ddemos=true \
                 _flatpak_build
 
@@ -40,8 +40,3 @@ flatpak build-bundle \
         ${appid}-dev.flatpak \
         --runtime-repo=https://nightly.gnome.org/gnome-nightly.flatpakrepo \
         ${appid}
-
-# to be consumed by the nightly publish jobs
-if [[ $CI_COMMIT_BRANCH == master ]]; then
-        tar cf repo.tar ${repodir}
-fi

.gitlab-ci/test-msys2.sh

@@ -60,12 +60,14 @@ pkg-config --modversion pango
 ccache --zero-stats
 ccache --show-stats
 export CCACHE_DISABLE=true
+# FIXME: introspection disabled for now because of
+# https://gitlab.gnome.org/GNOME/gobject-introspection/-/issues/340
 meson \
     -Dx11-backend=false \
     -Dwayland-backend=false \
     -Dwin32-backend=true \
     -Dvulkan=disabled \
-    -Dintrospection=enabled \
+    -Dintrospection=false \
     -Dgtk:werror=true \
     _build
 unset CCACHE_DISABLE

NEWS

@@ -1,285 +1,19 @@
-Overview of Changes
-===================
-
-* Accessibility:
- - Map presentation role according to Core-AAM
- - Use presentation role for spacers in list views
- - Set proper roles, relations and descriptions on more widgets
- - Expand the documentation
- - Use a single GTK_A11Y environment variable and document it
- - Serveral memory leak and crash fixes
- - Initialize AT contexts lazily
- - Improve the API for storing lists in relations
- - Implement more of the Component interface
- - Implement the Cache interface
- - Implement ScrollSubstringTo for GtkTextView
-
-* Introspection:
- - Add many missing annotations to APIs
- - In particular, nullability annotation fixes for rust
-
-* Touch support:
- - Fix issues with text handles
- - Fix interaction between touch scrolling and focus
- - Fix active state updates for touch events
- - Allow pressing buttons with multiple fingers
-
-* GtkScrolledWindow:
- - Accumulate velocity with kinetic scrolling
-
-* GtkSearchEntry:
- - Use a better clear icon
-
-* GtkTreeView:
- - Remove the deprecated GtkCellRendererClass.get_size vfunc
-
-* GtkBuilder:
- - Be stricter about <requires>
- - Make gtk-builder-tool simplify update <requires>
-
-* GtkFileChooser:
- - Remove GtkFileChooserButton
-
-* Make the inspector available in non-debug builds
-
-* CSS:
- - Support conic gradients
-
-* Adwaita:
- - Round all window corners
- - Round submenus
- - Remove the 'chin' on menus
- - Industrial style menuitems
- - Improved tooltip styling
- - Unified sidebar styles
- - Dark prelight
- - Don't backdrop labels
-
-* GSK:
- - Rename render node apis from peek to get
-
-* Make GLES work in the absence of GL_ARB_timer_query
-
-* Wayland:
- - Support gtk_shell1 version 3 (startup notification
-   and activation)
- - Implmement minimization
-
-* OS X:
- - Use the cairo renderer by default
- - Work towards a working GL renderer
- - Search engine updates
- - Fix rendering artifacts with hover transitions
-
-* Windows:
- - Fix key event generation, making text input work
-
-* Documentation:
- - Add missing enumerations, symbols and types
- - Lots of smaller fixes
-
-* Demos:
- - Make the constraints demo more useful
- - Make search more obvious
- - Add a suggestion entry demo
- - Consistency improvements
- - Drop 'devel' styling
-
-* Translation updates:
- Belarusian
- Catalan
- Polish
- Spanish
- Swedish
- Ukrainian
-
-
-Overview of Changes in 3.99.4
-=============================
-
-* GtkColumnView:
- - Improve column resizing
- - Make double-click reset column widths
- - Move header outside of scrollbars
-
-* GtkSearchEntry:
- - Add an icon
-
-* GtkDropDown:
- - Polish the appearance
-
-* GtkColorChooser:
- - Accessibility improvements
-
-* GtkPopoverMenu:
- - Add accessibility support
- - Allow custom items. This adds new API:
-   gtk_popover_menu_add/remove_child
-   gtk_popover_menu_bar_add/remove_child
-
-* GtkTextView:
- - Fix rendering and positioning of anchored children
- - Fix positioning of touch handles
-
-* Constraints:
- - Fix loading constraints from ui files
-
-* Media support:
- - Use cubic instead of linear volume
-
-* Accessibility:
- - Implement Component for all widgets
- - Implement Text and EditableText for all editables
- - Rework accessible name/description computation
- - Add documentation for app and widget developers
- - Handle HIDDEN state changes by adding/removing elements
- - Support setting accessibility attributes in ui files
- - Make window controls accessible
-
-* Introspection:
- - Add some missing annotations
-
-* gdk:
- - Deliver events on flush
- - Drop the unused GdkPoint struct from the API
- - Improve popup autohide behavior
-
-* Demos:
- - Add another constraints demo
- - Tweak various demos to improve consistency
- - Small accessibility improvements
-
-* Tools:
- - Improve gtk4-builder-tool handling of various
-   widgets when converting ui files from GTK 3
-
-* Documentation:
- - Use GtkApplication in all examples
- - Improve and expand the widget gallery
-
-* Testsuite:
- - Improve coverage of GDK
- - Improve coverage of gtk4-builder-tool
-
-* Build:
- - Fix the build with cups 2.2.12
- - Make cloudprint support build without warnings
-
-* Broadway:
- - Support modifiers for scroll events
-
-* Windows:
- - Improve IME support
-
-* OS X:
- - Fix various input issues
- - Make GtkGLArea work (with the cairo backend)
-
-* Translation updates:
- German
- Polish
-
-
-Overview of Changes in 3.99.3
-=============================
-
-* Accessibility:
- - Add an initial AT-SPI backend
-
-* GtkEmojiChooser:
- - Allow inserting multiple Emoji by pressing Control
- - Update Emoji data to Unicode 13 / CLDR 37
- - Use translations
- - The recent-emoji setting type changed. Call
-   gsettings reset org.gtk.gtk4.Settings.EmojiChooser recent-emoji
-
-* GtkTextBuffer:
- - Add boolean returns to some get_iter functions
-
-* GtkScale:
- - Change the default value of the :draw-value property
-
-* GtkPopover:
- - Avoid losing focus when popovers are close
-
-* GtkColorChooser:
- - Add color names back for accessibility
-
-* Input methods:
- - Add a 'private' input hint
-
-* GL Renderer:
- - Fix issues with texture caching
- - Fix texture flipping problems
-
-* Build:
- - Use meson yield feature for some options
- - Require gtk-doc 1.33
- - Require sysprof 3.38
-
-* Wayland:
- - Clean up Wayland backend api, add annotations
- - Generate introspection for Wayland backend api
-
-* Windows:
- - Fix modal window handling and window stacking
-
-* MacOS:
- - Fix the build
- - Define GDK_WINDOWING_MACOS
- - Fix various event handling issues
-
-* Demos:
- - Add another column view demo
- - Add an svg paintable demo
-
-* Translation updates
- Czech
- Lithuanian
- Polish
-
-
 Overview of Changes in GTK 3.99.2
 =================================
 
-* GtkButton:
- - Check coordinates for button releases
-
-* GtkColorChooser:
- - Update the default palette
-
 * GtkEntry:
  - Fix issues with Emoji insertion
  - Fix issues with dnd
  - Set correct hotspot for dnd icon
 
-* GtkFileChooser:
- - Fix a crash
- - Fix setting unlisted filters
-
-* GtkFontChooser:
- - Determine sample text based on font coverage (requires fontconfig)
- - Allow filtering by language (requires fontconfig)
- - Don't center the list
-
-* GtkMenuButton:
- - Always use the direction property for the arrow
-
 * GtkPasswordEntry:
  - Use non-pageable memory
- - Add an ::activate signal
-
-* GtkRevealer:
- - Fix clipping issues in the swing transitions
-
-* GtkScrolledWindow:
- - Fix kinetic scrolling in X11
 
 * GtkSearchEntry:
  - Don't handle forwarded events twice
 
-* GtkStack:
- - Add gtk_stack_add_child
+* GtkPasswordEntry:
+ - Add an ::activate signal
 
 * GtkTextView:
  - Fix dnd
@@ -288,12 +22,28 @@ Overview of Changes in GTK 3.99.2
  - Make clickable links work again
  - Fix handling of anchored children
 
+* GtkRevealer:
+ - Fix clipping issues in the swing transitions
+
+* GtkColorChooser:
+ - Update the default palette
+
+* GtkFileChooser:
+ - Fix a crash
+ - Fix setting unlisted filters
+
+* GtkFontChooser:
+ - Determine sample text based on font coverage
+ - Allow filtering by language
+
+* GtkStack:
+ - Add gtk_stack_add_child
+
 * GtkVideo:
  - Make autoplay work
 
 * CSS:
  - Allow more than 64 selectors per rule
- - Avoid some allocation overhead
 
 * Adwaita:
  - Improve gesture graphics
@@ -302,20 +52,15 @@ Overview of Changes in GTK 3.99.2
 
 * GDK:
  - Add gdk_frame_clock_get_fps
- - GLES: Fix color channel mixup in textures
- - GL: Reduce image copying for texture uploads
 
 * GSK:
  - Add radial gradient nodes
- - Add GskGLShader and shader nodes
 
 * GL renderer:
  - Fix clipping with projective transforms
  - Use linear interpolation for offscreen rendering
    with non-axis-aligned transforms
  - Fix texture caching to avoid size mismatches
- - Avoid downloading GL textures when possible,
-   improving GtkGLArea performance
 
 * Vulkan renderer:
  - Fix swapchain creation
@@ -325,26 +70,18 @@ Overview of Changes in GTK 3.99.2
 
 * Wayland
  - Always ack configure to avoid jumping windows
- - Use the primary-selection-unstable-v1 protocol
 
 * API cleanups:
  - Make filter and sorter constructors return exact types
  - Rename GdkSurfaceState to GdkToplevelState
  - Remove GdkWaylandSurface::committed
  - Make Wayland backend api take GdkToplevel
- - Drop gtk_widget_new
- - Drop cairo_surface_upload_to_gl
- - Drop gtk_scrolled_window_set_capture_button_press
- - Drop gtk_column_view_column_new_with_factory
- - Rename gtk_buildable_set_name to gtk_buildable_set_buildable_id
- - Drop other GtkBuildable api
 
 * Demos:
  - Bug and crash fixes
  - Cosmetic improvements for several demos
  - Improve search in the sidebar
  - Add a Shadertoy demo
- - Add a OpenGL transitions demo
  - Add an Emblem demo
  - Add a demo for input validation and error states
  - Add a demo for context menus
@@ -364,7 +101,6 @@ Overview of Changes in GTK 3.99.2
  French
  Galician
  German
- Hebrew
  Hungarian
  Indonesian
  Italian

config.h.meson

@@ -1,9 +1,8 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
 /* always defined to indicate that i18n is enabled */
 #define ENABLE_NLS 1
 
-/* Use structured logging */
-#define G_LOG_STRUCTURED 1
-
 /* The prefix for our gettext translation domains. */
 #mesondefine GETTEXT_PACKAGE
 

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

@@ -36,7 +36,7 @@ struct _ConstraintEditorWindow
 G_DEFINE_TYPE(ConstraintEditorWindow, constraint_editor_window, GTK_TYPE_APPLICATION_WINDOW);
 
 static GtkConstraintTarget *
-find_target (GListModel          *model,
+find_target (GListModel *model,
              GtkConstraintTarget *orig)
 {
   const char *name;
@@ -163,30 +163,20 @@ constraint_editor_window_load (ConstraintEditorWindow *self,
       GtkConstraint *clone;
       GtkConstraintTarget *target;
       GtkConstraintTarget *source;
-      GtkConstraintAttribute source_attr;
 
       item = g_list_model_get_item (list, i);
       constraint = GTK_CONSTRAINT (item);
 
       target = gtk_constraint_get_target (constraint);
       source = gtk_constraint_get_source (constraint);
-      source_attr = gtk_constraint_get_source_attribute (constraint);
-
-      if (source == NULL && source_attr == GTK_CONSTRAINT_ATTRIBUTE_NONE)
-        clone = gtk_constraint_new_constant (find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), target),
+      clone = gtk_constraint_new (find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), target),
                                   gtk_constraint_get_target_attribute (constraint),
                                   gtk_constraint_get_relation (constraint),
+                                  find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), source),
+                                  gtk_constraint_get_target_attribute (constraint),
+                                  gtk_constraint_get_multiplier (constraint),
                                   gtk_constraint_get_constant (constraint),
                                   gtk_constraint_get_strength (constraint));
-      else
-        clone = gtk_constraint_new (find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), target),
-                                    gtk_constraint_get_target_attribute (constraint),
-                                    gtk_constraint_get_relation (constraint),
-                                    find_target (constraint_view_get_model (CONSTRAINT_VIEW (self->view)), source),
-                                    source_attr,
-                                    gtk_constraint_get_multiplier (constraint),
-                                    gtk_constraint_get_constant (constraint),
-                                    gtk_constraint_get_strength (constraint));
 
       constraint_view_add_constraint (CONSTRAINT_VIEW (self->view), clone);
 
@@ -310,7 +300,7 @@ save_response_cb (GtkNativeDialog        *dialog,
       model = constraint_view_get_model (CONSTRAINT_VIEW (self->view));
       text = serialize_model (model);
       file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-      g_file_replace_contents (file, text, strlen (text),
+      g_file_replace_contents (file, text, -1,
                                NULL, FALSE,
                                G_FILE_CREATE_NONE,
                                NULL,

demos/constraint-editor/constraint-editor-window.ui

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ConstraintEditorWindow" parent="GtkApplicationWindow">
+    <style>
+      <class name="devel"/>
+    </style>
     <property name="title" translatable="yes">GTK Constraint Editor</property>
     <property name="default-width">1024</property>
     <property name="default-height">768</property>

demos/constraint-editor/constraint-editor.c

@@ -142,9 +142,6 @@ get_target (GListModel *model,
 {
   int i;
 
-  if (id == NULL)
-    return NULL;
-
   if (strcmp ("super", id) == 0)
     return NULL;
 
@@ -215,22 +212,6 @@ get_relation_nick (GtkConstraintRelation relation)
   return nick;
 }
 
-static const char *
-get_relation_display_name (GtkConstraintRelation relation)
-{
-  switch (relation)
-    {
-    case GTK_CONSTRAINT_RELATION_LE:
-      return "≤";
-    case GTK_CONSTRAINT_RELATION_EQ:
-      return "=";
-    case GTK_CONSTRAINT_RELATION_GE:
-      return "≥";
-    default:
-      return "?";
-    }
-}
-
 static GtkConstraintStrength
 get_strength (const char *id)
 {
@@ -350,7 +331,6 @@ source_attr_changed (ConstraintEditor *editor)
     {
       gtk_widget_set_sensitive (editor->source, TRUE);
       gtk_widget_set_sensitive (editor->multiplier, TRUE);
-      gtk_editable_set_text (GTK_EDITABLE (editor->multiplier), "1");
     }
 }
 
@@ -367,7 +347,7 @@ constraint_editor_constraint_to_string (GtkConstraint *constraint)
 
   name = get_target_name (gtk_constraint_get_target (constraint));
   attr = get_attr_nick (gtk_constraint_get_target_attribute (constraint));
-  relation = get_relation_display_name (gtk_constraint_get_relation (constraint));
+  relation = get_relation_nick (gtk_constraint_get_relation (constraint));
 
   if (name == NULL)
     name = "[ ]";
@@ -461,12 +441,8 @@ update_preview (ConstraintEditor *editor)
 static void
 update_button (ConstraintEditor *editor)
 {
-  const char *target = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target));
-  const char *source = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source));
-  const char *source_attr = gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source_attr));
-
-  if (target &&
-      (source || (source_attr && get_target_attr (source_attr) == GTK_CONSTRAINT_ATTRIBUTE_NONE)))
+  if (gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->target)) != NULL &&
+      gtk_combo_box_get_active_id (GTK_COMBO_BOX (editor->source)) != NULL)
     gtk_widget_set_sensitive (editor->button, TRUE);
   else
     gtk_widget_set_sensitive (editor->button, FALSE);

demos/constraint-editor/constraint-editor.ui

@@ -78,7 +78,6 @@
           <object class="GtkComboBoxText" id="source_attr">
             <signal name="changed" handler="update_preview" swapped="yes"/>
             <signal name="changed" handler="source_attr_changed" swapped="yes"/>
-            <signal name="changed" handler="update_button" swapped="yes"/>
             <layout>
               <property name="column">2</property>
               <property name="row">3</property>

demos/gtk-demo/alienplanet.glsl

@@ -67,7 +67,7 @@ vec2 raySphere(vec3 ro, vec3 rd, vec4 sphere) {
   return vec2(t0, t1);
 }
 
-float noize1(vec2 p) {
+float noise1(vec2 p) {
   vec2 n = mod2(p, vec2(cellWidth));
   vec2 hh = hash(sqrt(2.0)*(n+1000.0));
   hh.x *= hh.y;
@@ -81,7 +81,7 @@ float noize1(vec2 p) {
   return h*0.25;
 }
 
-float noize2(vec2 p) {
+float noise2(vec2 p) {
   vec2 n = mod2(p, vec2(cellWidth));
   vec2 hh = hash(sqrt(2.0)*(n+1000.0));
   hh.x *= hh.y;
@@ -114,7 +114,7 @@ float height(vec2 p, float dd, int mx) {
   int i = 0;
 
   for (; i < 4;++i) {
-    float nn = a*noize2(p);
+    float nn = a*noise2(p);
     s += nn;
     d += abs(a);
     p += o;
@@ -130,7 +130,7 @@ float height(vec2 p, float dd, int mx) {
   mx = int(mix(float(4), float(mx), step(rdd, far)));
 
   for (; i < mx; ++i) {
-    float nn = a*noize1(p);
+    float nn = a*noise1(p);
     s += nn;
     d += abs(a);
     p += o;

demos/gtk-demo/background.glsl

@@ -1,26 +0,0 @@
-uniform float u_time;
-
-void
-mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv)
-{
-  vec2 pos = (fragCoord.xy * 2.0 - resolution.xy)/ min (resolution.x, resolution.y) ;
-
-  float t0 = sin ((u_time + 0.00)*1.0);
-  float t1 = sin ((u_time + 0.30)*0.4);
-  float t2 = cos ((u_time + 0.23)*0.9);
-  float t3 = cos ((u_time + 0.41)*0.6);
-  float t4 = cos ((u_time + 0.11)*0.3);
-
-  vec2 p0 = vec2 (t1, t0) ;
-  vec2 p1 = vec2 (t2, t3) ;
-  vec2 p2 = vec2 (t4, t3) ;
-
-  float r = 1.0/distance (pos, p0);
-  float g = 1.0/distance (pos, p1);
-  float b = 1.0/distance (pos, p2);
-  float sum = r + g + b;
-
-  float alpha = 1.0 - pow (1.0/(sum), 40)*pow (10.0, 40*0.7);
-
-  fragColor = vec4 (r*0.5, g*0.5, b*0.5, 1.0) * alpha;
-}

demos/gtk-demo/blendmodes.ui

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
+  <requires lib="gtk+" version="3.20"/>
   <object class="GtkWindow" id="window">
     <property name="resizable">0</property>
     <property name="title">CSS Blend Modes</property>

demos/gtk-demo/builder.c

@@ -1,5 +1,5 @@
 /* Builder
- * #Keywords: GMenu, GtkPopoverMenuBar, GtkBuilder, GtkStatusBar, GtkShortcutController, toolbar
+ * #Keywords: GMenu, GtkPopoverMenuBar, GtkBuilder, GtkStatusBar, toolbar
  *
  * Demonstrates a traditional interface, loaded from a XML description,
  * and shows how to connect actions to the menu items and toolbar buttons.
@@ -158,6 +158,7 @@ do_builder (GtkWidget *do_widget)
       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);
 

demos/gtk-demo/constraints.c

@@ -1,16 +1,9 @@
-/* Constraints/Simple Constraints
+/* Constraints/Simple
  * #Keywords: GtkLayoutManager
  *
  * GtkConstraintLayout provides a layout manager that uses relations
- * between widgets (also known as “constraints”) to compute the position
+ * between widgets (also known as "constraints") to compute the position
  * and size of each child.
- *
- * In addition to child widgets, the constraints can involve spacer
- * objects (also known as “guides”). This example has a guide between
- * the two buttons in the top row.
- *
- * Try resizing the window to see how the constraints react to update
- * the layout.
  */
 
 #include <glib/gi18n.h>
@@ -241,12 +234,15 @@ simple_grid_init (SimpleGrid *self)
 
   self->button1 = gtk_button_new_with_label ("Child 1");
   gtk_widget_set_parent (self->button1, widget);
+  gtk_widget_set_name (self->button1, "button1");
 
   self->button2 = gtk_button_new_with_label ("Child 2");
   gtk_widget_set_parent (self->button2, widget);
+  gtk_widget_set_name (self->button2, "button2");
 
   self->button3 = gtk_button_new_with_label ("Child 3");
   gtk_widget_set_parent (self->button3, widget);
+  gtk_widget_set_name (self->button3, "button3");
 
   GtkLayoutManager *manager = gtk_widget_get_layout_manager (GTK_WIDGET (self));
   build_constraints (self, GTK_CONSTRAINT_LAYOUT (manager));
@@ -263,8 +259,7 @@ do_constraints (GtkWidget *do_widget)
 
      window = gtk_window_new ();
      gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
-     gtk_window_set_title (GTK_WINDOW (window), "Simple Constraints");
-     gtk_window_set_default_size (GTK_WINDOW (window), 260, -1);
+     gtk_window_set_title (GTK_WINDOW (window), "Constraints");
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);

demos/gtk-demo/constraints2.c

@@ -1,7 +1,7 @@
-/* Constraints/Interactive Constraints
+/* Constraints/Interactive
  * #Keywords: GtkConstraintLayout
  *
- * This example shows how constraints can be updated during user interaction.
+ * Demonstrate how constraints can be updates during user interaction.
  * The vertical edge between the buttons can be dragged with the mouse.
  */
 
@@ -205,7 +205,7 @@ interactive_grid_init (InteractiveGrid *self)
 }
 
 GtkWidget *
-do_constraints_interactive (GtkWidget *do_widget)
+do_constraints2 (GtkWidget *do_widget)
 {
  static GtkWidget *window;
 
@@ -215,8 +215,7 @@ do_constraints_interactive (GtkWidget *do_widget)
 
      window = gtk_window_new ();
      gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
-     gtk_window_set_title (GTK_WINDOW (window), "Interactive Constraints");
-     gtk_window_set_default_size (GTK_WINDOW (window), 260, -1);
+     gtk_window_set_title (GTK_WINDOW (window), "Constraints");
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);

demos/gtk-demo/constraints3.c

@@ -2,10 +2,6 @@
  *
  * GtkConstraintLayout allows defining constraints using a
  * compact syntax called Visual Format Language, or VFL.
- *
- * A typical example of a VFL specification looks like this:
- *
- * H:|-[button1(==button2)]-12-[button2]-|
  */
 
 #include <glib/gi18n.h>
@@ -128,7 +124,7 @@ vfl_grid_init (VflGrid *self)
 }
 
 GtkWidget *
-do_constraints_vfl (GtkWidget *do_widget)
+do_constraints3 (GtkWidget *do_widget)
 {
  static GtkWidget *window;
 
@@ -138,8 +134,7 @@ do_constraints_vfl (GtkWidget *do_widget)
 
      window = gtk_window_new ();
      gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
-     gtk_window_set_title (GTK_WINDOW (window), "Constraints — VFL");
-     gtk_window_set_default_size (GTK_WINDOW (window), 260, -1);
+     gtk_window_set_title (GTK_WINDOW (window), "Constraints");
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);

demos/gtk-demo/constraints_builder.c

@@ -1,74 +0,0 @@
-/* Constraints/Builder
- *
- * GtkConstraintLayouts can be created in .ui files, and constraints can
- * be set up at that time as well, as this example demonstrates. It shows
- * various ways to do spacing and sizing with constraints.
- *
- * Make the window wider to see the rows react differently
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-G_DECLARE_FINAL_TYPE (ConstraintsGrid, constraints_grid, CONSTRAINTS, GRID, GtkWidget)
-
-struct _ConstraintsGrid
-{
-  GtkWidget parent_instance;
-};
-
-G_DEFINE_TYPE (ConstraintsGrid, constraints_grid, GTK_TYPE_WIDGET)
-
-static void
-constraints_grid_init (ConstraintsGrid *grid)
-{
-}
-
-static void
-constraints_grid_dispose (GObject *object)
-{
-  GtkWidget *widget = GTK_WIDGET (object);
-  GtkWidget *child;
-
-  while ((child = gtk_widget_get_first_child (widget)))
-    gtk_widget_unparent (child);
-
-  G_OBJECT_CLASS (constraints_grid_parent_class)->dispose (object);
-}
-
-static void
-constraints_grid_class_init (ConstraintsGridClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = constraints_grid_dispose;
-}
-
-GtkWidget *
-do_constraints_builder (GtkWidget *do_widget)
-{
- static GtkWidget *window;
-
- if (!window)
-   {
-     GtkBuilder *builder;
-
-     g_type_ensure (constraints_grid_get_type ());
-
-     builder = gtk_builder_new_from_resource ("/constraints_builder/constraints_builder.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);
-
-     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/constraints_builder.ui

@@ -1,460 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window1">
-    <property name="title" translatable="yes">Constraints — Builder</property>
-    <property name="default-width">260</property>
-    <child>
-      <object class="ConstraintsGrid">
-        <property name="halign">fill</property>
-        <property name="valign">fill</property>
-        <property name="margin-top">10</property>
-        <property name="margin-bottom">10</property>
-        <property name="margin-start">10</property>
-        <property name="margin-end">10</property>
-        <property name="layout-manager">
-          <object class="GtkConstraintLayout">
-            <constraints>
-              <guide name="guide1" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide2" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide3" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide4" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide5" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide6" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide7" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide8" min-width="10" nat-width="200" strength="weak"/>
-              <guide name="guide9" min-width="0" nat-width="200" strength="weak"/>
-              <guide name="guide10" min-width="0" nat-width="200" strength="weak"/>
-              <guide name="barrier1" min-height="10"/>
-              <guide name="barrier2" min-height="10"/>
-              <guide name="barrier3" min-height="10"/>
-              <guide name="barrier4" min-height="10"/>
-
-              <!-- Spread Chain -->
-              <constraint target="super" target-attribute="top"
-                          relation="eq"
-                          source="button1" source-attribute="top"
-                          strength="required"/>
-              <constraint target="super" target-attribute="top"
-                          relation="eq"
-                          source="button2" source-attribute="top"
-                          strength="required"/>
-              <constraint target="super" target-attribute="top"
-                          relation="eq"
-                          source="button3" source-attribute="top"
-                          strength="required"/>
-
-              <constraint target="super" target-attribute="left"
-                          relation="eq"
-                          source="guide1" source-attribute="left"
-                          strength="required"/>
-              <constraint target="button1" target-attribute="left"
-                          relation="eq"
-                          source="guide1" source-attribute="right"
-                          strength="required"/>
-              <constraint target="guide2" target-attribute="left"
-                          relation="eq"
-                          source="button1" source-attribute="right"
-                          strength="required"/>
-              <constraint target="button2" target-attribute="left"
-                          relation="eq"
-                          source="guide2" source-attribute="right"
-                          strength="required"/>
-              <constraint target="guide3" target-attribute="left"
-                          relation="eq"
-                          source="button2" source-attribute="right"
-                          strength="required"/>
-              <constraint target="button3" target-attribute="left"
-                          relation="eq"
-                          source="guide3" source-attribute="right"
-                          strength="required"/>
-              <constraint target="guide4" target-attribute="left"
-                          relation="eq"
-                          source="button3" source-attribute="right"
-                          strength="required"/>
-              <constraint target="super" target-attribute="right"
-                          relation="eq"
-                          source="guide4" source-attribute="right"
-                          strength="required"/>
-
-              <constraint target="guide1" target-attribute="width"
-                          relation="eq"
-                          source="guide2" source-attribute="width"
-                          strength="required"/>
-              <constraint target="guide2" target-attribute="width"
-                          relation="eq"
-                          source="guide3" source-attribute="width"
-                          strength="required"/>
-              <constraint target="guide3" target-attribute="width"
-                          relation="eq"
-                          source="guide4" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button1" target-attribute="width"
-                          relation="eq"
-                          source="button2" source-attribute="width"
-                          strength="required"/>
-              <constraint target="button2" target-attribute="width"
-                          relation="eq"
-                          source="button3" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button1" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier1" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button2" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier1" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button3" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier1" source-attribute="top"
-                          strength="required"/>
-
-              <!-- Spread Inside Chain -->
-
-              <constraint target="super" target-attribute="left"
-                          relation="eq"
-                          source="button4" source-attribute="left"
-                          strength="required"/>
-              <constraint target="guide5" target-attribute="left"
-                          relation="eq"
-                          source="button4" source-attribute="right"
-                          strength="required"/>
-              <constraint target="button5" target-attribute="left"
-                          relation="eq"
-                          source="guide5" source-attribute="right"
-                          strength="required"/>
-              <constraint target="guide6" target-attribute="left"
-                          relation="eq"
-                          source="button5" source-attribute="right"
-                          strength="required"/>
-              <constraint target="button6" target-attribute="left"
-                          relation="eq"
-                          source="guide6" source-attribute="right"
-                          strength="required"/>
-              <constraint target="super" target-attribute="right"
-                          relation="eq"
-                          source="button6" source-attribute="right"
-                          strength="required"/>
-
-              <constraint target="guide5" target-attribute="width"
-                          relation="eq"
-                          source="guide6" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button4" target-attribute="width"
-                          relation="eq"
-                          source="button5" source-attribute="width"
-                          strength="required"/>
-              <constraint target="button5" target-attribute="width"
-                          relation="eq"
-                          source="button6" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button4" target-attribute="top"
-                          relation="eq"
-                          source="barrier1" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button5" target-attribute="top"
-                          relation="eq"
-                          source="barrier1" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button6" target-attribute="top"
-                          relation="eq"
-                          source="barrier1" source-attribute="bottom"
-                          strength="required"/>
-
-              <constraint target="button4" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier2" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button5" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier2" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button6" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier2" source-attribute="top"
-                          strength="required"/>
-
-              <!-- Weighted Chain -->
-
-              <constraint target="super" target-attribute="left"
-                          relation="eq"
-                          source="button7" source-attribute="left"
-                          strength="required"/>
-              <constraint target="button8" target-attribute="left"
-                          relation="eq"
-                          source="button7" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="button9" target-attribute="left"
-                          relation="eq"
-                          source="button8" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="super" target-attribute="right"
-                          relation="eq"
-                          source="button9" source-attribute="right"
-                          strength="required"/>
-
-              <constraint target="button8" target-attribute="width"
-                          relation="eq"
-                          source="button7" source-attribute="width"
-                          multiplier="2"
-                          strength="required"/>
-              <constraint target="button9" target-attribute="width"
-                          relation="eq"
-                          source="button7" source-attribute="width"
-                          multiplier="3"
-                          strength="required"/>
-
-              <constraint target="button7" target-attribute="top"
-                          relation="eq"
-                          source="barrier2" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button8" target-attribute="top"
-                          relation="eq"
-                          source="barrier2" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button9" target-attribute="top"
-                          relation="eq"
-                          source="barrier2" source-attribute="bottom"
-                          strength="required"/>
-
-              <constraint target="button7" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier3" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button8" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier3" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button9" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier3" source-attribute="top"
-                          strength="required"/>
-
-              <!-- Packed Chain -->
-
-              <constraint target="super" target-attribute="left"
-                          relation="eq"
-                          source="guide7" source-attribute="left"
-                          strength="required"/>
-              <constraint target="button10" target-attribute="left"
-                          relation="eq"
-                          source="guide7" source-attribute="right"
-                          strength="required"/>
-              <constraint target="button11" target-attribute="left"
-                          relation="eq"
-                          source="button10" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="button12" target-attribute="left"
-                          relation="eq"
-                          source="button11" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="guide8" target-attribute="left"
-                          relation="eq"
-                          source="button12" source-attribute="right"
-                          strength="required"/>
-              <constraint target="super" target-attribute="right"
-                          relation="eq"
-                          source="guide8" source-attribute="right"
-                          strength="required"/>
-
-              <constraint target="guide7" target-attribute="width"
-                          relation="eq"
-                          source="guide8" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button10" target-attribute="width"
-                          relation="eq"
-                          source="button11" source-attribute="width"
-                          strength="required"/>
-              <constraint target="button11" target-attribute="width"
-                          relation="eq"
-                          source="button12" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button10" target-attribute="top"
-                          relation="eq"
-                          source="barrier3" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button11" target-attribute="top"
-                          relation="eq"
-                          source="barrier3" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button12" target-attribute="top"
-                          relation="eq"
-                          source="barrier3" source-attribute="bottom"
-                          strength="required"/>
-
-              <constraint target="button10" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier4" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button11" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier4" source-attribute="top"
-                          strength="required"/>
-              <constraint target="button12" target-attribute="bottom"
-                          relation="eq"
-                          source="barrier4" source-attribute="top"
-                          strength="required"/>
-
-              <!-- Packed Chain with Bias -->
-
-              <constraint target="super" target-attribute="left"
-                          relation="eq"
-                          source="guide9" source-attribute="left"
-                          strength="required"/>
-              <constraint target="button13" target-attribute="left"
-                          relation="eq"
-                          source="guide9" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="button14" target-attribute="left"
-                          relation="eq"
-                          source="button13" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="button15" target-attribute="left"
-                          relation="eq"
-                          source="button14" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="guide10" target-attribute="left"
-                          relation="eq"
-                          source="button15" source-attribute="right"
-                          constant="10"
-                          strength="required"/>
-              <constraint target="super" target-attribute="right"
-                          relation="eq"
-                          source="guide10" source-attribute="right"
-                          strength="required"/>
-
-              <constraint target="guide9" target-attribute="width"
-                          relation="eq"
-                          source="guide10" source-attribute="width"
-                          multiplier="4"
-                          strength="required"/>
-
-              <constraint target="button13" target-attribute="width"
-                          relation="eq"
-                          source="button14" source-attribute="width"
-                          strength="required"/>
-              <constraint target="button14" target-attribute="width"
-                          relation="eq"
-                          source="button15" source-attribute="width"
-                          strength="required"/>
-
-              <constraint target="button13" target-attribute="top"
-                          relation="eq"
-                          source="barrier4" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button14" target-attribute="top"
-                          relation="eq"
-                          source="barrier4" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="button15" target-attribute="top"
-                          relation="eq"
-                          source="barrier4" source-attribute="bottom"
-                          strength="required"/>
-
-              <constraint target="super" target-attribute="bottom"
-                          relation="ge"
-                          source="button13" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="super" target-attribute="bottom"
-                          relation="ge"
-                          source="button14" source-attribute="bottom"
-                          strength="required"/>
-              <constraint target="super" target-attribute="bottom"
-                          relation="ge"
-                          source="button15" source-attribute="bottom"
-                          strength="required"/>
-            </constraints>
-          </object>
-        </property>
-        <child>
-          <object class="GtkButton" id="button1">
-            <property name="label">A</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button2">
-            <property name="label">B</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button3">
-            <property name="label">C</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button4">
-            <property name="label">A</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button5">
-            <property name="label">B</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button6">
-            <property name="label">C</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button7">
-            <property name="label">A</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button8">
-            <property name="label">B</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button9">
-            <property name="label">C</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button10">
-            <property name="label">A</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button11">
-            <property name="label">B</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button12">
-            <property name="label">C</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button13">
-            <property name="label">A</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button14">
-            <property name="label">B</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkButton" id="button15">
-            <property name="label">C</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>

demos/gtk-demo/demo.gresource.xml

@@ -18,9 +18,6 @@
     <file>demoimage.c</file>
     <file>demoimage.h</file>
   </gresource>
-  <gresource prefix="/constraints_builder">
-    <file>constraints_builder.ui</file>
-  </gresource>
   <gresource prefix="/css_accordion">
     <file>css_accordion.css</file>
     <file>reset.css</file>
@@ -43,11 +40,6 @@
     <file>cssview.css</file>
     <file>reset.css</file>
   </gresource>
-  <gresource prefix="/dropdown">
-    <file>suggestionentry.h</file>
-    <file>suggestionentry.c</file>
-    <file>suggestionentry.css</file>
-  </gresource>
   <gresource prefix="/theming_style_classes">
     <file>theming.ui</file>
   </gresource>
@@ -146,15 +138,12 @@
     <file>gtkshaderstack.h</file>
     <file>gtkshaderbin.h</file>
     <file>gtkshaderbin.c</file>
-    <file>gskshaderpaintable.h</file>
-    <file>gskshaderpaintable.c</file>
-    <file>wind.glsl</file>
-    <file>radial.glsl</file>
-    <file>crosswarp.glsl</file>
-    <file>kaleidoscope.glsl</file>
+    <file>fire.glsl</file>
+    <file>transition1.glsl</file>
+    <file>transition2.glsl</file>
+    <file>transition3.glsl</file>
+    <file>transition4.glsl</file>
     <file>cogs2.glsl</file>
-    <file>ripple.glsl</file>
-    <file>background.glsl</file>
   </gresource>
   <gresource prefix="/iconscroll">
     <file>iconscroll.ui</file>
@@ -192,9 +181,6 @@
   <gresource prefix="/listview_settings">
     <file>listview_settings.ui</file>
   </gresource>
-  <gresource prefix="/listview_ucd_data/">
-    <file>ucdnames.data</file>
-  </gresource>
   <gresource prefix="/listview_weather">
     <file compressed="true">listview_weather.txt</file>
   </gresource>
@@ -212,11 +198,6 @@
     <file>demo3widget.h</file>
     <file>demo3widget.ui</file>
   </gresource>
-  <gresource prefix="/paintable_svg">
-    <file>svgpaintable.h</file>
-    <file>svgpaintable.c</file>
-    <file>org.gtk.gtk4.NodeEditor.Devel.svg</file>
-  </gresource>
   <gresource prefix="/shortcuts">
     <file>shortcuts.ui</file>
     <file>shortcuts-builder.ui</file>
@@ -236,12 +217,9 @@
     <file>revealer.ui</file>
   </gresource>
   <gresource prefix="/images">
-    <file>pixbufpaintable.h</file>
-    <file>pixbufpaintable.c</file>
     <file>alphatest.png</file>
     <file>floppybuddy.gif</file>
     <file>gtk-logo.webm</file>
-    <file alias="org.gtk.Demo4.svg">data/scalable/apps/org.gtk.Demo4.svg</file>
   </gresource>
   <gresource prefix="/video-player">
     <file>bbb.png</file>
@@ -253,9 +231,8 @@
     <file>clipboard.c</file>
     <file>combobox.c</file>
     <file>constraints.c</file>
-    <file>constraints_interactive.c</file>
-    <file>constraints_vfl.c</file>
-    <file>constraints_builder.c</file>
+    <file>constraints2.c</file>
+    <file>constraints3.c</file>
     <file>css_accordion.c</file>
     <file>css_basics.c</file>
     <file>css_blendmodes.c</file>
@@ -294,14 +271,13 @@
     <file>layoutmanager2.c</file>
     <file>links.c</file>
     <file>listbox.c</file>
-    <file>listbox_controls.c</file>
+    <file>listbox2.c</file>
     <file>listview_applauncher.c</file>
     <file>listview_colors.c</file>
     <file>listview_clocks.c</file>
     <file>listview_filebrowser.c</file>
     <file>listview_minesweeper.c</file>
     <file>listview_settings.c</file>
-    <file>listview_ucd.c</file>
     <file>listview_weather.c</file>
     <file>listview_words.c</file>
     <file>list_store.c</file>
@@ -309,19 +285,15 @@
     <file>markup.c</file>
     <file>menu.c</file>
     <file>overlay.c</file>
-    <file>overlay_decorative.c</file>
+    <file>overlay2.c</file>
     <file>paint.c</file>
     <file>pagesetup.c</file>
     <file>paintable.c</file>
     <file>paintable_animated.c</file>
     <file>paintable_emblem.c</file>
     <file>paintable_mediastream.c</file>
-    <file>paintable_svg.c</file>
     <file>panes.c</file>
     <file>password_entry.c</file>
-    <file>path_fill.c</file>
-    <file>path_maze.c</file>
-    <file>path_text.c</file>
     <file>peg_solitaire.c</file>
     <file>pickers.c</file>
     <file>printing.c</file>
@@ -362,8 +334,8 @@
     <file>messages.txt</file>
     <file>apple-red.png</file>
   </gresource>
-  <gresource prefix="/listbox_controls">
-    <file>listbox_controls.ui</file>
+  <gresource prefix="/listbox2">
+    <file>listbox2.ui</file>
   </gresource>
   <gresource prefix="/glarea">
     <file>glarea-gl.fs.glsl</file>
@@ -406,9 +378,6 @@
   <gresource prefix="/fontrendering">
     <file>fontrendering.ui</file>
   </gresource>
-  <gresource prefix="/path_text">
-    <file>path_text.ui</file>
-  </gresource>
   <gresource prefix="/org/gtk/Demo4">
     <file>icons/16x16/actions/application-exit.png</file>
     <file>icons/16x16/actions/document-new.png</file>

demos/gtk-demo/demo.ui

@@ -83,7 +83,7 @@
   </menu>
   <object class="GtkAboutDialog" id="aboutdialog1">
     <property name="program-name" translatable="yes">Builder demo</property>
-    <property name="logo-icon-name" translatable="yes">org.gtk.Demo4</property>
+    <property name="logo-icon-name" translatable="yes">gtk3-demo</property>
     <property name="modal">True</property>
   </object>
   <object class="GtkWindow" id="window1">
@@ -96,18 +96,13 @@
         <child>
           <object class="GtkPopoverMenuBar" id="menubar1">
             <property name="menu-model">menubar</property>
-            <accessibility>
-              <property name="label">Main Menu</property>
-            </accessibility>
           </object>
         </child>
         <child>
           <object class="GtkBox" id="toolbar1">
-            <property name="accessible-role">toolbar</property>
-            <property name="css-classes">toolbar</property>
-            <accessibility>
-              <property name="label">Toolbar</property>
-            </accessibility>
+            <style>
+              <class name="toolbar"/>
+            </style>
             <child>
               <object class="GtkButton">
                 <property name="label" translatable="yes">New</property>

demos/gtk-demo/demoimage.c

@@ -47,38 +47,6 @@ get_image_paintable (GtkImage *image)
     }
 }
 
-static void
-update_drag_icon (DemoImage   *demo,
-                  GtkDragIcon *icon)
-{
-  const char *icon_name;
-  GdkPaintable *paintable;
-  GtkWidget *image;
-
-  switch (gtk_image_get_storage_type (GTK_IMAGE (demo->image)))
-    {
-    case GTK_IMAGE_PAINTABLE:
-      paintable = gtk_image_get_paintable (GTK_IMAGE (demo->image));
-      image = gtk_image_new_from_paintable (paintable);
-      break;
-    case GTK_IMAGE_ICON_NAME:
-      icon_name = gtk_image_get_icon_name (GTK_IMAGE (demo->image));
-      image = gtk_image_new_from_icon_name (icon_name);
-      break;
-    case GTK_IMAGE_EMPTY:
-    case GTK_IMAGE_GICON:
-    default:
-      g_warning ("Image storage type %d not handled",
-                 gtk_image_get_storage_type (GTK_IMAGE (demo->image)));
-      return;
-    }
-
-  gtk_image_set_pixel_size (GTK_IMAGE (image),
-                            gtk_image_get_pixel_size (GTK_IMAGE (demo->image)));
-
-  gtk_drag_icon_set_child (icon, image);
-}
-
 static void
 drag_begin (GtkDragSource *source,
             GdkDrag       *drag,
@@ -86,8 +54,14 @@ drag_begin (GtkDragSource *source,
 {
   GtkWidget *widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (source));
   DemoImage *demo = DEMO_IMAGE (widget);
+  GdkPaintable *paintable;
 
-  update_drag_icon (demo, GTK_DRAG_ICON (gtk_drag_icon_get_for_drag (drag)));
+  paintable = get_image_paintable (GTK_IMAGE (demo->image));
+  if (paintable)
+    {
+      gtk_drag_icon_set_from_paintable (drag, paintable, -2, -2);
+      g_object_unref (paintable);
+    }
 }
 
 static GdkContentProvider *

demos/gtk-demo/demotaggedentry.c

@@ -44,23 +44,11 @@ G_DEFINE_TYPE_WITH_CODE (DemoTaggedEntry, demo_tagged_entry, GTK_TYPE_WIDGET,
 static void
 demo_tagged_entry_init (DemoTaggedEntry *entry)
 {
-  GtkCssProvider *provider;
-
   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));
-  gtk_editable_set_width_chars (GTK_EDITABLE (entry->text), 6);
-  gtk_editable_set_max_width_chars (GTK_EDITABLE (entry->text), 6);
-  gtk_widget_add_css_class (GTK_WIDGET (entry), "tagged");
-
-  provider = gtk_css_provider_new ();
-  gtk_css_provider_load_from_resource (provider, "/tagged_entry/tagstyle.css");
-  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
-                                              GTK_STYLE_PROVIDER (provider),
-                                              800);
-  g_object_unref (provider);
 }
 
 static void
@@ -128,7 +116,6 @@ demo_tagged_entry_class_init (DemoTaggedEntryClass *klass)
 
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
   gtk_widget_class_set_css_name (widget_class, "entry");
-  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_TEXT_BOX);
 }
 
 static GtkEditable *
@@ -224,6 +211,7 @@ static void
 demo_tagged_entry_tag_init (DemoTaggedEntryTag *tag)
 {
   GtkGesture *gesture;
+  GtkCssProvider *provider;
 
   tag->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_widget_set_parent (tag->box, GTK_WIDGET (tag));
@@ -233,6 +221,13 @@ demo_tagged_entry_tag_init (DemoTaggedEntryTag *tag)
   gesture = gtk_gesture_click_new ();
   g_signal_connect (gesture, "released", G_CALLBACK (on_released), tag);
   gtk_widget_add_controller (GTK_WIDGET (tag), GTK_EVENT_CONTROLLER (gesture));
+
+  provider = gtk_css_provider_new ();
+  gtk_css_provider_load_from_resource (provider, "/tagged_entry/tagstyle.css");
+  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
+                                              GTK_STYLE_PROVIDER (provider),
+                                              800);
+  g_object_unref (provider);
 }
 
 static void

demos/gtk-demo/dnd.c

@@ -113,9 +113,12 @@ apply_transform (CanvasItem *item)
   y = gtk_widget_get_allocated_height (item->label) / 2.0;
   item->r = sqrt (x*x + y*y);
 
-  transform = gsk_transform_translate (NULL, &(graphene_point_t) { item->r, item->r });
-  transform = gsk_transform_rotate (transform, item->angle + item->delta);
-  transform = gsk_transform_translate (transform, &(graphene_point_t) { -x, -y });
+  transform = gsk_transform_translate (
+                 gsk_transform_rotate (
+                   gsk_transform_translate (NULL,
+                                            &(graphene_point_t) { item->r, item->r }),
+                   item->angle + item->delta),
+                 &(graphene_point_t) { - x, - y });
 
   gtk_fixed_set_child_transform (GTK_FIXED (item->fixed), item->label, transform);
   gsk_transform_unref (transform);

demos/gtk-demo/drawingarea.c

@@ -311,7 +311,6 @@ do_drawingarea (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Drawing Area");
-      gtk_window_set_default_size (GTK_WINDOW (window), 250, -1);
 
       g_signal_connect (window, "destroy",
                         G_CALLBACK (close_window), NULL);
@@ -326,8 +325,9 @@ do_drawingarea (GtkWidget *do_widget)
       /*
        * Create the groups area
        */
-      label = gtk_label_new ("Knockout groups");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Knockout groups</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -344,8 +344,9 @@ do_drawingarea (GtkWidget *do_widget)
        * Create the scribble area
        */
 
-      label = gtk_label_new ("Scribble area");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Scribble area</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);

demos/gtk-demo/dropdown.c

@@ -1,16 +1,17 @@
-/* Lists/Selections
+/* Drop Downs
  *
  * The GtkDropDown widget is a modern alternative to GtkComboBox.
  * It uses list models instead of tree models, and the content is
  * displayed using widgets instead of cell renderers.
  *
- * This example also shows a custom widget that can replace
- * GtkEntryCompletion or GtkComboBoxText. It is not currently
- * part of GTK.
+ * The examples here demonstrate how to use different kinds of
+ * list models with GtkDropDown, how to use search and how to
+ * display the selected item differently from the presentation
+ * in the popup.
  */
 
 #include <gtk/gtk.h>
-#include "suggestionentry.h"
+
 
 #define STRING_TYPE_HOLDER (string_holder_get_type ())
 G_DECLARE_FINAL_TYPE (StringHolder, string_holder, STRING, HOLDER, GObject)
@@ -64,22 +65,18 @@ strings_setup_item_single_line (GtkSignalListItemFactory *factory,
                                 GtkListItem              *item)
 {
   GtkWidget *box, *image, *title;
-  GtkWidget *checkmark;
 
   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
 
   image = gtk_image_new ();
   title = gtk_label_new ("");
   gtk_label_set_xalign (GTK_LABEL (title), 0.0);
-  checkmark = gtk_image_new_from_icon_name ("object-select-symbolic");
 
   gtk_box_append (GTK_BOX (box), image);
   gtk_box_append (GTK_BOX (box), title);
-  gtk_box_append (GTK_BOX (box), checkmark);
 
   g_object_set_data (G_OBJECT (item), "title", title);
   g_object_set_data (G_OBJECT (item), "image", image);
-  g_object_set_data (G_OBJECT (item), "checkmark", checkmark);
 
   gtk_list_item_set_child (item, box);
 }
@@ -89,7 +86,6 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
                          GtkListItem              *item)
 {
   GtkWidget *box, *box2, *image, *title, *description;
-  GtkWidget *checkmark;
 
   image = gtk_image_new ();
   title = gtk_label_new ("");
@@ -97,7 +93,6 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
   description = gtk_label_new ("");
   gtk_label_set_xalign (GTK_LABEL (description), 0.0);
   gtk_widget_add_css_class (description, "dim-label");
-  checkmark = gtk_image_new_from_icon_name ("object-select-symbolic");
 
   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
   box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
@@ -106,48 +101,26 @@ strings_setup_item_full (GtkSignalListItemFactory *factory,
   gtk_box_append (GTK_BOX (box), box2);
   gtk_box_append (GTK_BOX (box2), title);
   gtk_box_append (GTK_BOX (box2), description);
-  gtk_box_append (GTK_BOX (box), checkmark);
 
   g_object_set_data (G_OBJECT (item), "title", title);
   g_object_set_data (G_OBJECT (item), "image", image);
   g_object_set_data (G_OBJECT (item), "description", description);
-  g_object_set_data (G_OBJECT (item), "checkmark", checkmark);
 
   gtk_list_item_set_child (item, box);
 }
 
-static void
-selected_item_changed (GtkDropDown *dropdown,
-                       GParamSpec  *pspec,
-                       GtkListItem *item)
-{
-  GtkWidget *checkmark;
-
-  checkmark = g_object_get_data (G_OBJECT (item), "checkmark");
-
-  if (gtk_drop_down_get_selected_item (dropdown) == gtk_list_item_get_item (item))
-    gtk_widget_set_opacity (checkmark, 1.0);
-  else
-    gtk_widget_set_opacity (checkmark, 0.0);
-}
-
 static void
 strings_bind_item (GtkSignalListItemFactory *factory,
-                   GtkListItem              *item,
-                   gpointer                  data)
+                    GtkListItem              *item)
 {
-  GtkDropDown *dropdown = data;
   GtkWidget *image, *title, *description;
-  GtkWidget *checkmark;
   StringHolder *holder;
-  GtkWidget *popup;
 
   holder = gtk_list_item_get_item (item);
 
   title = g_object_get_data (G_OBJECT (item), "title");
   image = g_object_get_data (G_OBJECT (item), "image");
   description = g_object_get_data (G_OBJECT (item), "description");
-  checkmark = g_object_get_data (G_OBJECT (item), "checkmark");
 
   gtk_label_set_label (GTK_LABEL (title), holder->title);
   if (image)
@@ -160,43 +133,19 @@ strings_bind_item (GtkSignalListItemFactory *factory,
       gtk_label_set_label (GTK_LABEL (description), holder->description);
       gtk_widget_set_visible (description , holder->description != NULL);
     }
-
-  popup = gtk_widget_get_ancestor (title, GTK_TYPE_POPOVER);
-  if (popup && gtk_widget_is_ancestor (popup, GTK_WIDGET (dropdown)))
-    {
-      gtk_widget_show (checkmark);
-      g_signal_connect (dropdown, "notify::selected-item",
-                        G_CALLBACK (selected_item_changed), item);
-      selected_item_changed (dropdown, NULL, item);
-    }
-  else
-    {
-      gtk_widget_hide (checkmark);
-    }
-}
-
-static void
-strings_unbind_item (GtkSignalListItemFactory *factory,
-                     GtkListItem              *list_item,
-                     gpointer                  data)
-{
-  GtkDropDown *dropdown = data;
-
-  g_signal_handlers_disconnect_by_func (dropdown, selected_item_changed, list_item);
 }
 
 static GtkListItemFactory *
-strings_factory_new (gpointer data, gboolean full)
+strings_factory_new (gboolean full)
 {
   GtkListItemFactory *factory;
 
   factory = gtk_signal_list_item_factory_new ();
   if (full)
-    g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_full), data);
+    g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_full), NULL);
   else
-    g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_single_line), data);
-  g_signal_connect (factory, "bind", G_CALLBACK (strings_bind_item), data);
-  g_signal_connect (factory, "unbind", G_CALLBACK (strings_unbind_item), data);
+    g_signal_connect (factory, "setup", G_CALLBACK (strings_setup_item_single_line), NULL);
+  g_signal_connect (factory, "bind", G_CALLBACK (strings_bind_item), NULL);
 
   return factory;
 }
@@ -237,22 +186,19 @@ drop_down_new_from_strings (const char *const *titles,
   g_return_val_if_fail (descriptions == NULL || g_strv_length ((char **)icons) == g_strv_length ((char **)descriptions), NULL);
 
   model = strings_model_new (titles, icons, descriptions);
-  widget = g_object_new (GTK_TYPE_DROP_DOWN,
-                         "model", model,
-                         NULL);
-  g_object_unref (model);
-
-  factory = strings_factory_new (widget, FALSE);
+  factory = strings_factory_new (FALSE);
   if (icons != NULL || descriptions != NULL)
-    list_factory = strings_factory_new (widget, TRUE);
+    list_factory = strings_factory_new (TRUE);
   else
     list_factory = NULL;
 
-  g_object_set (widget,
-                "factory", factory,
-                "list-factory", list_factory,
-                NULL);
+  widget = g_object_new (GTK_TYPE_DROP_DOWN,
+                         "model", model,
+                         "factory", factory,
+                         "list-factory", list_factory,
+                         NULL);
 
+  g_object_unref (model);
   g_object_unref (factory);
   if (list_factory)
     g_object_unref (list_factory);
@@ -272,110 +218,13 @@ get_title (gpointer item)
   return g_strdup (STRING_HOLDER (item)->title);
 }
 
-static char *
-get_file_name (gpointer item)
-{
-  return g_strdup (g_file_info_get_display_name (G_FILE_INFO (item)));
-}
-
-static void
-setup_item (GtkSignalListItemFactory *factory,
-            GtkListItem              *item)
-{
-  GtkWidget *box;
-  GtkWidget *icon;
-  GtkWidget *label;
-
-  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-  icon = gtk_image_new ();
-  label = gtk_label_new ("");
-  gtk_label_set_xalign (GTK_LABEL (label), 0);
-  gtk_box_append (GTK_BOX (box), icon);
-  gtk_box_append (GTK_BOX (box), label);
-  gtk_list_item_set_child (item, box);
-}
-
-static void
-bind_item (GtkSignalListItemFactory *factory,
-           GtkListItem              *item)
-{
-  MatchObject *match = MATCH_OBJECT (gtk_list_item_get_item (item));
-  GFileInfo *info = G_FILE_INFO (match_object_get_item (match));
-  GtkWidget *box = gtk_list_item_get_child (item);
-  GtkWidget *icon = gtk_widget_get_first_child (box);
-  GtkWidget *label = gtk_widget_get_last_child (box);
-
-  gtk_image_set_from_gicon (GTK_IMAGE (icon), g_file_info_get_icon (info));
-  gtk_label_set_label (GTK_LABEL (label), g_file_info_get_display_name (info));
-}
-
-static void
-setup_highlight_item (GtkSignalListItemFactory *factory,
-                      GtkListItem              *item)
-{
-  GtkWidget *label;
-
-  label = gtk_label_new ("");
-  gtk_label_set_xalign (GTK_LABEL (label), 0);
-  gtk_list_item_set_child (item, label);
-}
-
-static void
-bind_highlight_item (GtkSignalListItemFactory *factory,
-                     GtkListItem              *item)
-{
-  MatchObject *obj;
-  GtkWidget *label;
-  PangoAttrList *attrs;
-  PangoAttribute *attr;
-  const char *str;
-
-  obj = MATCH_OBJECT (gtk_list_item_get_item (item));
-  label = gtk_list_item_get_child (item);
-
-  str = match_object_get_string (obj);
-
-  gtk_label_set_label (GTK_LABEL (label), str);
-  attrs = pango_attr_list_new ();
-  attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
-  attr->start_index = match_object_get_match_start (obj);
-  attr->end_index = match_object_get_match_end (obj);
-  pango_attr_list_insert (attrs, attr);
-  gtk_label_set_attributes (GTK_LABEL (label), attrs);
-  pango_attr_list_unref (attrs);
-}
-
-static void
-match_func (MatchObject *obj,
-            const char  *search,
-            gpointer     user_data)
-{
-  char *tmp1, *tmp2;
-  char *p;
-
-  tmp1 = g_utf8_normalize (match_object_get_string (obj), -1, G_NORMALIZE_ALL);
-  tmp2 = g_utf8_normalize (search, -1, G_NORMALIZE_ALL);
-
-  if ((p = strstr (tmp1, tmp2)) != NULL)
-    match_object_set_match (obj,
-                            p - tmp1,
-                            (p - tmp1) + g_utf8_strlen (search, -1),
-                            1);
-  else
-    match_object_set_match (obj, 0, 0, 0);
-
-  g_free (tmp1);
-  g_free (tmp2);
-}
-
 GtkWidget *
 do_dropdown (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
-  GtkWidget *button, *box, *spin, *check, *hbox, *label, *entry;
+  GtkWidget *button, *box, *spin, *check;
   GListModel *model;
   GtkExpression *expression;
-  GtkListItemFactory *factory;
   const char * const times[] = { "1 minute", "2 minutes", "5 minutes", "20 minutes", NULL };
   const char * const many_times[] = {
     "1 minute", "2 minutes", "5 minutes", "10 minutes", "15 minutes", "20 minutes",
@@ -388,49 +237,22 @@ do_dropdown (GtkWidget *do_widget)
   const char * const device_descriptions[] = {
     "Built-in Audio", "Built-in audio", "Thinkpad Tunderbolt 3 Dock USB Audio", "Thinkpad Tunderbolt 3 Dock USB Audio", NULL
   };
-  char *cwd;
-  GFile *file;
-  GListModel *dir;
-  GtkStringList *strings;
 
   if (!window)
     {
       window = gtk_window_new ();
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
-      gtk_window_set_title (GTK_WINDOW (window), "Selections");
+      gtk_window_set_title (GTK_WINDOW (window), "Drop Downs");
       gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
-      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
-
-      gtk_widget_set_margin_start (hbox, 20);
-      gtk_widget_set_margin_end (hbox, 20);
-      gtk_widget_set_margin_top (hbox, 20);
-      gtk_widget_set_margin_bottom (hbox, 20);
-      gtk_window_set_child (GTK_WINDOW (window), hbox);
-
       box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
-      gtk_box_append (GTK_BOX (hbox), box);
-
-      label = gtk_label_new ("Dropdowns");
-      gtk_widget_add_css_class (label, "title-4");
-      gtk_box_append (GTK_BOX (box), label);
-
-      /* A basic dropdown */
-      button = drop_down_new_from_strings (times, NULL, NULL);
-      gtk_box_append (GTK_BOX (box), button);
-
-      /* A dropdown using an expression to obtain strings */
-      button = drop_down_new_from_strings (many_times, NULL, NULL);
-      gtk_drop_down_set_enable_search (GTK_DROP_DOWN (button), TRUE);
-      expression = gtk_cclosure_expression_new (G_TYPE_STRING, NULL,
-                                                0, NULL,
-                                                (GCallback)get_title,
-                                                NULL, NULL);
-      gtk_drop_down_set_expression (GTK_DROP_DOWN (button), expression);
-      gtk_expression_unref (expression);
-      gtk_box_append (GTK_BOX (box), button);
+      gtk_widget_set_margin_start (box, 10);
+      gtk_widget_set_margin_end (box, 10);
+      gtk_widget_set_margin_top (box, 10);
+      gtk_widget_set_margin_bottom (box, 10);
+      gtk_window_set_child (GTK_WINDOW (window), box);
 
       button = gtk_drop_down_new (NULL, NULL);
 
@@ -448,118 +270,30 @@ do_dropdown (GtkWidget *do_widget)
 
       spin = gtk_spin_button_new_with_range (-1, g_list_model_get_n_items (G_LIST_MODEL (model)), 1);
       gtk_widget_set_halign (spin, GTK_ALIGN_START);
-      gtk_widget_set_margin_start (spin, 20);
       g_object_bind_property  (button, "selected", spin, "value", G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
       gtk_box_append (GTK_BOX (box), spin);
 
       check = gtk_check_button_new_with_label ("Enable search");
-      gtk_widget_set_margin_start (check, 20);
       g_object_bind_property  (button, "enable-search", check, "active", G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
       gtk_box_append (GTK_BOX (box), check);
 
       g_object_unref (model);
 
-      /* A dropdown with a separate list factory */
-      button = drop_down_new_from_strings (device_titles, device_icons, device_descriptions);
+      button = drop_down_new_from_strings (times, NULL, NULL);
       gtk_box_append (GTK_BOX (box), button);
 
-      gtk_box_append (GTK_BOX (hbox), gtk_separator_new (GTK_ORIENTATION_VERTICAL));
-
-      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
-      gtk_box_append (GTK_BOX (hbox), box);
-
-      label = gtk_label_new ("Suggestions");
-      gtk_widget_add_css_class (label, "title-4");
-      gtk_box_append (GTK_BOX (box), label);
-
-      /* A basic suggestion entry */
-      entry = suggestion_entry_new ();
-      g_object_set (entry, "placeholder-text", "Words with T or G…", NULL);
-      strings = gtk_string_list_new ((const char *[]){
-                                     "GNOME",
-                                     "gnominious",
-                                     "Gnomonic projection",
-                                     "total",
-                                     "totally",
-                                     "toto",
-                                     "tottery",
-                                     "totterer",
-                                     "Totten trust",
-                                     "totipotent",
-                                     "totipotency",
-                                     "totemism",
-                                     "totem pole",
-                                     "Totara",
-                                     "totalizer",
-                                     "totalizator",
-                                     "totalitarianism",
-                                     "total parenteral nutrition",
-                                     "total hysterectomy",
-                                     "total eclipse",
-                                     "Totipresence",
-                                     "Totipalmi",
-                                     "Tomboy",
-                                     "zombie",
-                                     NULL});
-      suggestion_entry_set_model (SUGGESTION_ENTRY (entry), G_LIST_MODEL (strings));
-      g_object_unref (strings);
-
-      gtk_box_append (GTK_BOX (box), entry);
-
-      /* A suggestion entry using a custom model, and no filtering */
-      entry = suggestion_entry_new ();
-
-      cwd = g_get_current_dir ();
-      file = g_file_new_for_path (cwd);
-      dir = G_LIST_MODEL (gtk_directory_list_new ("standard::display-name,standard::content-type,standard::icon,standard::size", file));
-      suggestion_entry_set_model (SUGGESTION_ENTRY (entry), dir);
-      g_object_unref (dir);
-      g_object_unref (file);
-      g_free (cwd);
-
+      button = drop_down_new_from_strings (many_times, NULL, NULL);
+      gtk_drop_down_set_enable_search (GTK_DROP_DOWN (button), TRUE);
       expression = gtk_cclosure_expression_new (G_TYPE_STRING, NULL,
                                                 0, NULL,
-                                                (GCallback)get_file_name,
+                                                (GCallback)get_title,
                                                 NULL, NULL);
-      suggestion_entry_set_expression (SUGGESTION_ENTRY (entry), expression);
+      gtk_drop_down_set_expression (GTK_DROP_DOWN (button), expression);
       gtk_expression_unref (expression);
+      gtk_box_append (GTK_BOX (box), button);
 
-      factory = gtk_signal_list_item_factory_new ();
-      g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
-      g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
-
-      suggestion_entry_set_factory (SUGGESTION_ENTRY (entry), factory);
-      g_object_unref (factory);
-
-      suggestion_entry_set_use_filter (SUGGESTION_ENTRY (entry), FALSE);
-      suggestion_entry_set_show_arrow (SUGGESTION_ENTRY (entry), TRUE);
-
-      gtk_box_append (GTK_BOX (box), entry);
-
-      /* A suggestion entry with match highlighting */
-      entry = suggestion_entry_new ();
-      g_object_set (entry, "placeholder-text", "Destination", NULL);
-
-      strings = gtk_string_list_new ((const char *[]){
-                                     "app-mockups",
-                                     "settings-mockups",
-                                     "os-mockups",
-                                     "software-mockups",
-                                     "mocktails",
-                                     NULL});
-      suggestion_entry_set_model (SUGGESTION_ENTRY (entry), G_LIST_MODEL (strings));
-      g_object_unref (strings);
-
-      gtk_box_append (GTK_BOX (box), entry);
-
-      suggestion_entry_set_match_func (SUGGESTION_ENTRY (entry), match_func, NULL, NULL);
-
-      factory = gtk_signal_list_item_factory_new ();
-      g_signal_connect (factory, "setup", G_CALLBACK (setup_highlight_item), NULL);
-      g_signal_connect (factory, "bind", G_CALLBACK (bind_highlight_item), NULL);
-      suggestion_entry_set_factory (SUGGESTION_ENTRY (entry), factory);
-      g_object_unref (factory);
-
+      button = drop_down_new_from_strings (device_titles, device_icons, device_descriptions);
+      gtk_box_append (GTK_BOX (box), button);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/entry_completion.c

@@ -78,11 +78,11 @@ do_entry_completion (GtkWidget *do_widget)
       gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
-      gtk_widget_set_margin_start (vbox, 18);
-      gtk_widget_set_margin_end (vbox, 18);
-      gtk_widget_set_margin_top (vbox, 18);
-      gtk_widget_set_margin_bottom (vbox, 18);
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+      gtk_widget_set_margin_start (vbox, 5);
+      gtk_widget_set_margin_end (vbox, 5);
+      gtk_widget_set_margin_top (vbox, 5);
+      gtk_widget_set_margin_bottom (vbox, 5);
       gtk_window_set_child (GTK_WINDOW (window), vbox);
 
       label = gtk_label_new (NULL);

demos/gtk-demo/entry_undo.c

@@ -27,16 +27,16 @@ do_entry_undo (GtkWidget *do_widget)
       gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
-      gtk_widget_set_margin_start (vbox, 18);
-      gtk_widget_set_margin_end (vbox, 18);
-      gtk_widget_set_margin_top (vbox, 18);
-      gtk_widget_set_margin_bottom (vbox, 18);
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+      gtk_widget_set_margin_start (vbox, 5);
+      gtk_widget_set_margin_end (vbox, 5);
+      gtk_widget_set_margin_top (vbox, 5);
+      gtk_widget_set_margin_bottom (vbox, 5);
       gtk_window_set_child (GTK_WINDOW (window), vbox);
 
       label = gtk_label_new (NULL);
       gtk_label_set_markup (GTK_LABEL (label),
-                            "Use Control+z or Control+Shift+z to undo or redo changes");
+                            "Use Primary+z or Primary+Shift+z to undo or redo changes");
       gtk_box_append (GTK_BOX (vbox), label);
 
       /* Create our entry */

demos/gtk-demo/errorstates.c

@@ -1,4 +1,4 @@
-/* Error States
+/* Error states
  *
  * GtkLabel and GtkEntry can indicate errors if you set the .error
  * style class on them.

demos/gtk-demo/errorstates.ui

@@ -5,7 +5,7 @@
     <property name="modal">1</property>
     <property name="resizable">0</property>
     <property name="use-header-bar">1</property>
-    <property name="title" translatable="yes">Error States</property>
+    <property name="title" translatable="yes">Settings</property>
     <property name="hide-on-close">1</property>
     <child internal-child="content_area">
       <object class="GtkBox">

demos/gtk-demo/filtermodel.ui

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
+  <requires lib="gtk+" version="3.16"/>
   <object class="GtkListStore" id="liststore1">
     <columns>
       <column type="gint"/>

demos/gtk-demo/fire.glsl

@@ -0,0 +1,72 @@
+uniform float u_time;
+uniform sampler2D u_texture1;
+
+/* 2D -> [0..1] random number generator */
+float random(vec2 st) {
+  return fract(sin(dot(st.xy,
+                       vec2(12.9898,78.233))) *
+               43758.5453123);
+}
+
+/* Generate a smoothed 2d noise based on random() */
+float noise(vec2 v) {
+  /* Round point v to integer grid grid */
+  vec2 grid_point = floor(v);
+  /* Randomize in grid corners */
+  float corner1 = random(grid_point);
+  float corner2 = random(grid_point + vec2(1, 0));
+  float corner3 = random(grid_point + vec2(0, 1));
+  float corner4 = random(grid_point + vec2(1, 1));
+  /* Interpolate smoothly between grid points */
+  vec2 fraction = smoothstep(vec2(0.0), vec2(1.0), fract(v));
+  return mix(mix(corner1, corner2, fraction.x),
+             mix(corner3, corner4, fraction.x),
+             fraction.y);
+}
+
+/* fractal brownian motion noice, see https://www.iquilezles.org/www/articles/fbm/fbm.htm */
+float fbm(in vec2 x)
+{
+  const float octaveScale = 1.9;
+  const float G = 0.5;
+  float f = 1.0;
+  float a = 1.0;
+  float t = 0.0;
+  int numOctaves = 5;
+  for (int i = 0; i < numOctaves; i++) {
+    t += a*noise(f*x);
+    f *= octaveScale;
+    a *= G;
+  }
+
+  return t;
+}
+
+void mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv)
+{
+  vec2 xy = fragCoord / resolution;
+
+  float zoom = 3.0 - sin(u_time*0.5)*0.3;
+
+  // Normalize coord to height of widget
+  vec2 p = (vec2 (-resolution.x/2.0 + fragCoord.x, resolution.y - fragCoord.y) / resolution.yy)* zoom;
+
+    // Use recursive incantations of fbm
+  float q1 = fbm(p - vec2(0.8, 0.3) * u_time);
+  float q2 = fbm(p - vec2(0.5, 1.3) * u_time);
+  float r = fbm(2.0*p + vec2(q1,q2) - vec2(0.0, 1.0)*u_time*10.0 *0.4);
+
+  // Compute intensity, mostly on the bottom
+  float w = 2.0 * r * p.y;
+
+  // Smooth out left/right side and fade in at start
+  w /= smoothstep(0.0,0.1, xy.x)* smoothstep(0.0,0.1, 1.0-xy.x) *  smoothstep(0.0,0.4, u_time);
+
+  // Compute colors
+  vec3 c = vec3(1.0,.2,.05);
+  vec3 color = 1.0 / (w*w/c + 1.0);
+
+  // Mix in widget
+  vec4 widget = GskTexture(u_texture1,uv);
+  fragColor = mix(vec4(color,1), widget, 1.0-color.x);
+}

demos/gtk-demo/font-features.ui

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
+  <requires lib="gtk+" version="3.12"/>
   <object class="GtkWindow" id="window">
     <property name="default-width">600</property>
     <property name="default-height">500</property>

demos/gtk-demo/font_features.c

@@ -1068,6 +1068,7 @@ update_font_variations (void)
   unsigned int length;
   int i;
 
+  child = gtk_widget_get_first_child (variations_grid);
   while ((child = gtk_widget_get_first_child (variations_grid)))
     gtk_grid_remove (GTK_GRID (variations_grid), child);
 

demos/gtk-demo/fontify.c

@@ -501,7 +501,7 @@ fontify (const char    *format,
   char *theme;
   gboolean prefer_dark;
   const char *style_arg;
-  char *text;
+  const char *text;
   GtkTextIter start, end;
   GBytes *bytes;
   GError *error = NULL;
@@ -553,7 +553,7 @@ fontify (const char    *format,
 
   gtk_text_buffer_get_bounds (source_buffer, &start, &end);
   text = gtk_text_buffer_get_text (source_buffer, &start, &end, TRUE);
-  bytes = g_bytes_new_take (text, strlen (text));
+  bytes = g_bytes_new_static (text, strlen (text));
 
 #ifdef HAVE_GIO_UNIX
   /* Work around https://gitlab.gnome.org/GNOME/glib/-/issues/2182 */
@@ -570,5 +570,4 @@ fontify (const char    *format,
                                   NULL,
                                   fontify_finish,
                                   g_object_ref (source_buffer));
-  g_bytes_unref (bytes);
 }

demos/gtk-demo/fontrendering.c

@@ -1,4 +1,4 @@
-/* Pango/Font Rendering
+/* Pango/Font rendering
  *
  * Demonstrates various aspects of font rendering.
  */

demos/gtk-demo/glarea.c

@@ -406,7 +406,6 @@ create_glarea_window (GtkWidget *do_widget)
   gl_area = gtk_gl_area_new ();
   gtk_widget_set_hexpand (gl_area, TRUE);
   gtk_widget_set_vexpand (gl_area, TRUE);
-  gtk_widget_set_size_request (gl_area, 100, 200);
   gtk_box_append (GTK_BOX (box), gl_area);
 
   /* We need to initialize and free GL resources, so we use

demos/gtk-demo/gltransition.c

@@ -1,5 +1,5 @@
-/* OpenGL/Transitions and Effects
- * #Keywords: OpenGL, shader, effect
+/* OpenGL/Transitions
+ * #Keywords: OpenGL, shader
  *
  * Create transitions between pages using a custom fragment shader.
  *
@@ -9,8 +9,7 @@
  * The transitions work with arbitrary content. We use images, shaders
  * GL areas and plain old widgets to demonstrate this.
  *
- * The demo also shows some over-the-top effects like wobbly widgets,
- * and animated backgrounds.
+ * The demo also shows some sample fire effects on the buttons.
  */
 
 #include <math.h>
@@ -86,15 +85,15 @@ clicked_cb (GtkGestureClick *gesture,
 }
 
 static GtkWidget *
-ripple_bin_new (void)
+fire_bin_new (void)
 {
   GtkWidget *bin = gtk_shader_bin_new ();
   static GskGLShader *shader = NULL;
 
   if (shader == NULL)
-    shader = gsk_gl_shader_new_from_resource ("/gltransition/ripple.glsl");
+    shader = gsk_gl_shader_new_from_resource ("/gltransition/fire.glsl");
 
-  gtk_shader_bin_add_shader (GTK_SHADER_BIN (bin), shader, GTK_STATE_FLAG_PRELIGHT, GTK_STATE_FLAG_PRELIGHT, 20);
+  gtk_shader_bin_add_shader (GTK_SHADER_BIN (bin), shader, GTK_STATE_FLAG_PRELIGHT, GTK_STATE_FLAG_PRELIGHT);
 
   return bin;
 }
@@ -132,7 +131,6 @@ update_paintable (GtkWidget     *widget,
 static GtkWidget *
 make_shader_stack (const char *name,
                    const char *resource_path,
-                   int active_child,
                    GtkWidget  *scale)
 {
   GtkWidget *stack, *child, *widget, *vbox, *hbox, *bin;
@@ -152,7 +150,7 @@ make_shader_stack (const char *name,
   gtk_shader_stack_set_shader (GTK_SHADER_STACK (stack), shader);
   g_object_unref (shader);
 
-  child = gtk_picture_new_for_resource ("/css_blendmodes/ducky.png");
+  child = gtk_picture_new_for_resource ("/css_pixbufs/background.jpg");
   gtk_picture_set_can_shrink (GTK_PICTURE (child), TRUE);
   gtk_shader_stack_add_child (GTK_SHADER_STACK (stack), child);
 
@@ -221,8 +219,6 @@ make_shader_stack (const char *name,
 
   gtk_shader_stack_add_child (GTK_SHADER_STACK (stack), child);
 
-  gtk_shader_stack_set_active (GTK_SHADER_STACK (stack), active_child);
-
   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 
   widget = gtk_center_box_new ();
@@ -249,25 +245,22 @@ make_shader_stack (const char *name,
 
   gtk_box_append (GTK_BOX (vbox), widget);
 
-  GtkWidget *bin2 = ripple_bin_new ();
-  gtk_shader_bin_set_child (GTK_SHADER_BIN (bin2), stack);
-
-  gtk_box_append (GTK_BOX (vbox), bin2);
+  gtk_box_append (GTK_BOX (vbox), stack);
 
   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
   gtk_widget_set_halign (hbox, GTK_ALIGN_CENTER);
 
   gtk_box_append (GTK_BOX (vbox), hbox);
 
-  button = gtk_button_new_from_icon_name ("go-previous-symbolic");
+  button = gtk_button_new_from_icon_name ("go-previous");
   g_signal_connect (button, "clicked", G_CALLBACK (go_back), stack);
-  bin = ripple_bin_new ();
+  bin = fire_bin_new ();
   gtk_shader_bin_set_child (GTK_SHADER_BIN (bin), button);
   gtk_box_append (GTK_BOX (hbox), bin);
 
-  button = gtk_button_new_from_icon_name ("go-next-symbolic");
+  button = gtk_button_new_from_icon_name ("go-next");
   g_signal_connect (button, "clicked", G_CALLBACK (go_forward), stack);
-  bin = ripple_bin_new ();
+  bin = fire_bin_new ();
   gtk_shader_bin_set_child (GTK_SHADER_BIN (bin), button);
   gtk_box_append (GTK_BOX (hbox), bin);
 
@@ -277,37 +270,22 @@ make_shader_stack (const char *name,
 static GtkWidget *
 create_gltransition_window (GtkWidget *do_widget)
 {
-  GtkWidget *window, *headerbar, *scale, *outer_grid, *grid, *background;
-  GdkPaintable *paintable;
+  GtkWidget *window, *headerbar, *scale, *grid;
 
   window = gtk_window_new ();
   gtk_window_set_display (GTK_WINDOW (window),  gtk_widget_get_display (do_widget));
-  gtk_window_set_title (GTK_WINDOW (window), "Transitions and Effects");
+  gtk_window_set_title (GTK_WINDOW (window), "Transitions");
   headerbar = gtk_header_bar_new ();
   scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, NULL);
   gtk_scale_set_draw_value (GTK_SCALE (scale), FALSE);
   gtk_widget_set_size_request (scale, 100, -1);
-  gtk_widget_set_tooltip_text (scale, "Transition duration");
   gtk_header_bar_pack_end (GTK_HEADER_BAR (headerbar), scale);
   gtk_window_set_titlebar (GTK_WINDOW (window), headerbar);
   gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
   g_signal_connect (window, "destroy", G_CALLBACK (close_window), NULL);
 
-  outer_grid = gtk_grid_new ();
-  gtk_window_set_child (GTK_WINDOW (window), outer_grid);
-
-  paintable = gsk_shader_paintable_new (gsk_gl_shader_new_from_resource ("/gltransition/background.glsl"), NULL);
-  background = gtk_picture_new_for_paintable (paintable);
-  gtk_widget_add_tick_callback (background, update_paintable, NULL, NULL);
-
-  gtk_grid_attach (GTK_GRID (outer_grid),
-                   background,
-                   0, 0, 1, 1);
-
   grid = gtk_grid_new ();
-  gtk_grid_attach (GTK_GRID (outer_grid),
-                   grid,
-                   0, 0, 1, 1);
+  gtk_window_set_child (GTK_WINDOW (window), grid);
 
   gtk_widget_set_halign (grid, GTK_ALIGN_CENTER);
   gtk_widget_set_valign (grid, GTK_ALIGN_CENTER);
@@ -321,16 +299,16 @@ create_gltransition_window (GtkWidget *do_widget)
   gtk_grid_set_column_homogeneous (GTK_GRID (grid), TRUE);
 
   gtk_grid_attach (GTK_GRID (grid),
-                   make_shader_stack ("Wind", "/gltransition/wind.glsl", 0, scale),
+                   make_shader_stack ("Wind", "/gltransition/transition1.glsl", scale),
                    0, 0, 1, 1);
   gtk_grid_attach (GTK_GRID (grid),
-                   make_shader_stack ("Radial", "/gltransition/radial.glsl", 1, scale),
+                   make_shader_stack ("Radial", "/gltransition/transition2.glsl", scale),
                    1, 0, 1, 1);
   gtk_grid_attach (GTK_GRID (grid),
-                   make_shader_stack ("Crosswarp", "/gltransition/crosswarp.glsl", 2, scale),
+                   make_shader_stack ("Crosswarp", "/gltransition/transition3.glsl", scale),
                    0, 1, 1, 1);
   gtk_grid_attach (GTK_GRID (grid),
-                   make_shader_stack ("Kaleidoscope", "/gltransition/kaleidoscope.glsl", 3, scale),
+                   make_shader_stack ("Kaleidoscope", "/gltransition/transition4.glsl", scale),
                    1, 1, 1, 1);
 
   return window;

demos/gtk-demo/gskshaderpaintable.c

@@ -32,7 +32,7 @@
  * that uses a #GskGLShader to create pixels.
  *
  * You can set the uniform data that the shader needs for rendering
- * using gsk_shader_paintable_set_args(). This function can
+ * using gsk_shader_paintable_set_uniform_data(). This function can
  * be called repeatedly to change the uniform data for the next
  * snapshot.
  *
@@ -48,7 +48,7 @@ struct _GskShaderPaintable
   GObject parent_instance;
 
   GskGLShader *shader;
-  GBytes *args;
+  GBytes *uniform_data;
 
   gint64 start_time;
 };
@@ -61,7 +61,7 @@ struct _GskShaderPaintableClass
 enum {
   PROP_0,
   PROP_SHADER,
-  PROP_ARGS,
+  PROP_UNIFORM_DATA,
 
   N_PROPS,
 };
@@ -76,7 +76,7 @@ gsk_shader_paintable_paintable_snapshot (GdkPaintable *paintable,
 {
   GskShaderPaintable *self = GSK_SHADER_PAINTABLE (paintable);
 
-  gtk_snapshot_push_gl_shader (snapshot, self->shader, &GRAPHENE_RECT_INIT(0, 0, width, height), g_bytes_ref (self->args));
+  gtk_snapshot_push_gl_shader (snapshot, self->shader, &GRAPHENE_RECT_INIT(0, 0, width, height), g_bytes_ref (self->uniform_data));
   gtk_snapshot_pop (snapshot);
 }
 
@@ -105,8 +105,8 @@ gsk_shader_paintable_set_property (GObject      *object,
       gsk_shader_paintable_set_shader (self, g_value_get_object (value));
       break;
 
-    case PROP_ARGS:
-      gsk_shader_paintable_set_args (self, g_value_get_boxed (value));
+    case PROP_UNIFORM_DATA:
+      gsk_shader_paintable_set_uniform_data (self, g_value_get_boxed (value));
       break;
 
     default:
@@ -129,8 +129,8 @@ gsk_shader_paintable_get_property (GObject    *object,
       g_value_set_object (value, self->shader);
       break;
 
-    case PROP_ARGS:
-      g_value_set_boxed (value, self->args);
+    case PROP_UNIFORM_DATA:
+      g_value_set_boxed (value, self->uniform_data);
       break;
 
     default:
@@ -144,7 +144,7 @@ gsk_shader_paintable_finalize (GObject *object)
 {
   GskShaderPaintable *self = GSK_SHADER_PAINTABLE (object);
 
-  g_clear_pointer (&self->args, g_bytes_unref);
+  g_clear_pointer (&self->uniform_data, g_bytes_unref);
   g_clear_object (&self->shader);
 
   G_OBJECT_CLASS (gsk_shader_paintable_parent_class)->finalize (object);
@@ -164,8 +164,8 @@ gsk_shader_paintable_class_init (GskShaderPaintableClass *klass)
                          GSK_TYPE_GL_SHADER,
                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
 
-  properties[PROP_ARGS] =
-    g_param_spec_boxed ("args", "Arguments", "The uniform arguments",
+  properties[PROP_UNIFORM_DATA] =
+    g_param_spec_boxed ("uniform-data", "Uniform data", "The uniform data",
                         G_TYPE_BYTES,
                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
 
@@ -204,7 +204,7 @@ gsk_shader_paintable_new (GskGLShader *shader,
 
   ret = g_object_new (GSK_TYPE_SHADER_PAINTABLE,
                       "shader", shader,
-                      "args", data,
+                      "uniform-data", data,
                       NULL);
 
   g_clear_object (&shader);
@@ -228,7 +228,7 @@ gsk_shader_paintable_set_shader (GskShaderPaintable *self,
 {
   g_return_if_fail (GSK_IS_SHADER_PAINTABLE (self));
   g_return_if_fail (shader == NULL || GSK_IS_GL_SHADER (shader));
-  g_return_if_fail (shader == NULL || gsk_gl_shader_get_n_textures (shader) == 0);
+  g_return_if_fail (shader == NULL || gsk_gl_shader_get_n_required_textures (shader) == 0);
 
   if (!g_set_object (&self->shader, shader))
     return;
@@ -236,7 +236,7 @@ gsk_shader_paintable_set_shader (GskShaderPaintable *self,
   g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SHADER]);
   gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
 
-  g_clear_pointer (&self->args, g_bytes_unref);
+  g_clear_pointer (&self->uniform_data, g_bytes_unref);
 }
 
 /**
@@ -256,7 +256,7 @@ gsk_shader_paintable_get_shader (GskShaderPaintable *self)
 }
 
 /**
- * gsk_shader_paintable_set_args:
+ * gsk_shader_paintable_set_uniform_data:
  * @self: a #GskShaderPaintable
  * @data: Data block with uniform data for the shader
  *
@@ -268,35 +268,35 @@ gsk_shader_paintable_get_shader (GskShaderPaintable *self)
  * after it has been passed to this function.
  */
 void
-gsk_shader_paintable_set_args (GskShaderPaintable *self,
+gsk_shader_paintable_set_uniform_data (GskShaderPaintable *self,
                                        GBytes             *data)
 {
   g_return_if_fail (GSK_IS_SHADER_PAINTABLE (self));
   g_return_if_fail (data == NULL || g_bytes_get_size (data) == gsk_gl_shader_get_args_size (self->shader));
 
-  g_clear_pointer (&self->args, g_bytes_unref);
+  g_clear_pointer (&self->uniform_data, g_bytes_unref);
   if (data)
-    self->args = g_bytes_ref (data);
+    self->uniform_data = g_bytes_ref (data);
 
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ARGS]);
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_UNIFORM_DATA]);
   gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
 }
 
 /**
- * gsk_shader_paintable_get_args:
+ * gsk_shader_paintable_get_uniform_data:
  * @self: a #GskShaderPaintable
  *
  * Returns the uniform data set with
- * gsk_shader_paintable_get_args().
+ * gsk_shader_paintable_get_uniform_data().
  *
  * Returns: (transfer none): the uniform data
  */
 GBytes *
-gsk_shader_paintable_get_args (GskShaderPaintable *self)
+gsk_shader_paintable_get_uniform_data (GskShaderPaintable *self)
 {
   g_return_val_if_fail (GSK_IS_SHADER_PAINTABLE (self), NULL);
 
-  return self->args;
+  return self->uniform_data;
 }
 
 /**
@@ -306,7 +306,7 @@ gsk_shader_paintable_get_args (GskShaderPaintable *self)
  * @frame_time: the current frame time, as returned by #GdkFrameClock
  *
  * This function is a convenience wrapper for
- * gsk_shader_paintable_set_args() that leaves all
+ * gsk_shader_paintable_set_uniform_data() that leaves all
  * uniform values unchanged, except for the uniform with
  * index @time_idx, which will be set to the elapsed time
  * in seconds, since the first call to this function.
@@ -318,20 +318,27 @@ gsk_shader_paintable_update_time (GskShaderPaintable *self,
                                   int                 time_idx,
                                   gint64              frame_time)
 {
-  GskShaderArgsBuilder *builder;
-  GBytes *args;
+  int size;
+  int offset;
+  guchar *data;
   float time;
+  GBytes *uniform_data;
+
+  size = gsk_gl_shader_get_args_size (self->shader);
+  offset = gsk_gl_shader_get_uniform_offset (self->shader, time_idx);
+
+  data = g_new0 (guchar, size);
+  memcpy (data, g_bytes_get_data (self->uniform_data, NULL), size);
 
   if (self->start_time == 0)
     self->start_time = frame_time;
 
   time = (frame_time - self->start_time) / (float)G_TIME_SPAN_SECOND;
+  *(float*)(data + offset) = time;
 
-  builder = gsk_shader_args_builder_new (self->shader, self->args);
-  gsk_shader_args_builder_set_float (builder, time_idx, time);
-  args = gsk_shader_args_builder_free_to_args (builder);
+  uniform_data = g_bytes_new_take (data, size);
 
-  gsk_shader_paintable_set_args (self, args);
+  gsk_shader_paintable_set_uniform_data (self, uniform_data);
 
-  g_bytes_unref (args);
+  g_bytes_unref (uniform_data);
 }

demos/gtk-demo/gskshaderpaintable.h

@@ -40,9 +40,9 @@ GDK_AVAILABLE_IN_ALL
 void             gsk_shader_paintable_set_shader       (GskShaderPaintable *self,
                                                         GskGLShader        *shader);
 GDK_AVAILABLE_IN_ALL
-GBytes *         gsk_shader_paintable_get_args         (GskShaderPaintable *self);
+GBytes *         gsk_shader_paintable_get_uniform_data (GskShaderPaintable *self);
 GDK_AVAILABLE_IN_ALL
-void             gsk_shader_paintable_set_args         (GskShaderPaintable *self,
+void             gsk_shader_paintable_set_uniform_data (GskShaderPaintable *self,
                                                         GBytes             *data);
 GDK_AVAILABLE_IN_ALL
 void             gsk_shader_paintable_update_time      (GskShaderPaintable *self,

demos/gtk-demo/gtkfishbowl.c

@@ -179,9 +179,6 @@ gtk_fishbowl_add (GtkFishbowl *fishbowl,
   child_info->dy = new_speed ();
 
   gtk_widget_set_parent (widget, GTK_WIDGET (fishbowl));
-  gtk_accessible_update_state (GTK_ACCESSIBLE (widget),
-                               GTK_ACCESSIBLE_STATE_HIDDEN, TRUE,
-                               -1);
 
   g_hash_table_insert (priv->children, widget, child_info);
   priv->count++;
@@ -345,8 +342,6 @@ gtk_fishbowl_class_init (GtkFishbowlClass *klass)
                           G_PARAM_READWRITE);
 
   g_object_class_install_properties (object_class, NUM_PROPERTIES, props);
-
-  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_PRESENTATION);
 }
 
 guint

demos/gtk-demo/gtkgears.c

@@ -764,7 +764,7 @@ gtk_gears_realize (GtkWidget *widget)
   glShaderSource(v, 1, &p, NULL);
   glCompileShader(v);
   glGetShaderInfoLog(v, sizeof msg, NULL, msg);
-  g_debug ("vertex shader info: %s\n", msg);
+  g_print ("vertex shader info: %s\n", msg);
 
   /* Compile the fragment shader */
   if (gdk_gl_context_get_use_es (context))
@@ -775,7 +775,7 @@ gtk_gears_realize (GtkWidget *widget)
   glShaderSource(f, 1, &p, NULL);
   glCompileShader(f);
   glGetShaderInfoLog(f, sizeof msg, NULL, msg);
-  g_debug ("fragment shader info: %s\n", msg);
+  g_print ("fragment shader info: %s\n", msg);
 
   /* Create and link the shader program */
   program = glCreateProgram();
@@ -786,7 +786,7 @@ gtk_gears_realize (GtkWidget *widget)
 
   glLinkProgram(program);
   glGetProgramInfoLog(program, sizeof msg, NULL, msg);
-  g_debug ("program info: %s\n", msg);
+  g_print ("program info: %s\n", msg);
   glDeleteShader (v);
   glDeleteShader (f);
 

demos/gtk-demo/gtkshaderbin.c

@@ -4,7 +4,6 @@ typedef struct {
   GskGLShader *shader;
   GtkStateFlags state;
   GtkStateFlags state_mask;
-  float extra_border;
   gboolean compiled;
   gboolean compiled_ok;
 } ShaderInfo;
@@ -17,7 +16,6 @@ struct _GtkShaderBin
   GPtrArray *shaders;
   guint tick_id;
   float time;
-  float mouse_x, mouse_y;
   gint64 first_frame_time;
 };
 
@@ -73,25 +71,10 @@ gtk_shader_bin_tick (GtkWidget     *widget,
   return G_SOURCE_CONTINUE;
 }
 
-static void
-motion_cb (GtkEventControllerMotion *controller,
-           double                    x,
-           double                    y,
-           GtkShaderBin             *self)
-{
-  self->mouse_x = x;
-  self->mouse_y = y;
-}
-
 static void
 gtk_shader_bin_init (GtkShaderBin *self)
 {
-  GtkEventController *controller;
   self->shaders = g_ptr_array_new_with_free_func ((GDestroyNotify)shader_info_free);
-
-  controller = gtk_event_controller_motion_new ();
-  g_signal_connect (controller, "motion", G_CALLBACK (motion_cb), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
 }
 
 void
@@ -149,14 +132,12 @@ void
 gtk_shader_bin_add_shader (GtkShaderBin *self,
                            GskGLShader  *shader,
                            GtkStateFlags state,
-                           GtkStateFlags state_mask,
-                           float         extra_border)
+                           GtkStateFlags state_mask)
 {
   ShaderInfo *info = g_new0 (ShaderInfo, 1);
   info->shader = g_object_ref (shader);
   info->state = state;
   info->state_mask = state_mask;
-  info->extra_border = extra_border;
 
   g_ptr_array_add (self->shaders, info);
 
@@ -206,8 +187,8 @@ gtk_shader_bin_snapshot (GtkWidget   *widget,
 
           self->active_shader->compiled = TRUE;
           self->active_shader->compiled_ok =
-            gsk_gl_shader_compile (self->active_shader->shader,
-                                   renderer, &error);
+            gsk_gl_shader_try_compile_for (self->active_shader->shader,
+                                           renderer, &error);
           if (!self->active_shader->compiled_ok)
             {
               g_warning ("GtkShaderBin failed to compile shader: %s", error->message);
@@ -217,14 +198,10 @@ gtk_shader_bin_snapshot (GtkWidget   *widget,
 
       if (self->active_shader->compiled_ok)
         {
-          float border = self->active_shader->extra_border;
-          graphene_vec2_t mouse;
-          graphene_vec2_init (&mouse, self->mouse_x + border, self->mouse_y + border);
           gtk_snapshot_push_gl_shader (snapshot, self->active_shader->shader,
-                                       &GRAPHENE_RECT_INIT(-border, -border, width+2*border, height+2*border),
+                                       &GRAPHENE_RECT_INIT(0, 0, width, height),
                                        gsk_gl_shader_format_args (self->active_shader->shader,
                                                                   "u_time", self->time,
-                                                                  "u_mouse", &mouse,
                                                                   NULL));
           gtk_widget_snapshot_child (widget, self->child, snapshot);
           gtk_snapshot_gl_shader_pop_texture (snapshot);

demos/gtk-demo/gtkshaderbin.h

@@ -12,8 +12,7 @@ GtkWidget  *gtk_shader_bin_new        (void);
 void        gtk_shader_bin_add_shader (GtkShaderBin *self,
                                        GskGLShader  *shader,
                                        GtkStateFlags state,
-                                       GtkStateFlags state_mask,
-                                       float         extra_border);
+                                       GtkStateFlags state_mask);
 void       gtk_shader_bin_set_child   (GtkShaderBin *self,
                                        GtkWidget    *child);
 GtkWidget *gtk_shader_bin_get_child   (GtkShaderBin *self);

demos/gtk-demo/gtkshaderstack.c

@@ -238,7 +238,8 @@ gtk_shader_stack_snapshot (GtkWidget   *widget,
           progress = 1. - progress;
         }
 
-      if (gsk_gl_shader_compile (self->shader, renderer, NULL))
+      if (gsk_gl_shader_try_compile_for (self->shader,
+                                         renderer, NULL))
         {
           gtk_snapshot_push_gl_shader (snapshot,
                                        self->shader,
@@ -350,12 +351,3 @@ gtk_shader_stack_add_child (GtkShaderStack *self,
   else
     gtk_widget_set_child_visible (child, FALSE);
 }
-
-void
-gtk_shader_stack_set_active (GtkShaderStack *self,
-                             int             index)
-{
-  stop_transition (self);
-  self->current = MIN (index, self->children->len);
-  update_child_visible (self);
-}

demos/gtk-demo/gtkshaderstack.h

@@ -14,9 +14,7 @@ void        gtk_shader_stack_set_shader   (GtkShaderStack *self,
 void        gtk_shader_stack_add_child    (GtkShaderStack *self,
                                            GtkWidget      *child);
 void        gtk_shader_stack_transition   (GtkShaderStack *self,
-                                           gboolean        forward);
-void        gtk_shader_stack_set_active   (GtkShaderStack *self,
-                                           int             index);
+                                           gboolean       forward);
 
 G_END_DECLS
 

demos/gtk-demo/iconscroll.c

@@ -13,7 +13,7 @@ static GtkWidget *window = NULL;
 static GtkWidget *scrolledwindow;
 static int selected;
 
-#define N_WIDGET_TYPES 7
+#define N_WIDGET_TYPES 6
 
 
 static int hincrement = 5;
@@ -177,24 +177,6 @@ populate_grid (void)
   gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolledwindow), list);
 }
 
-extern GtkWidget *create_ucd_view (GtkWidget *label);
-
-static void
-populate_list2 (void)
-{
-  GtkWidget *list;
-
-  list = create_ucd_view (NULL);
-
-  hincrement = 0;
-  vincrement = 5;
-
-  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow),
-                                  GTK_POLICY_AUTOMATIC,
-                                  GTK_POLICY_AUTOMATIC);
-  gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolledwindow), list);
-}
-
 static void
 set_widget_type (int type)
 {
@@ -234,11 +216,6 @@ set_widget_type (int type)
       break;
 
     case 5:
-      gtk_window_set_title (GTK_WINDOW (window), "Scrolling a columned list");
-      populate_list2 ();
-      break;
-
-    case 6:
       gtk_window_set_title (GTK_WINDOW (window), "Scrolling a grid");
       populate_grid ();
       break;

demos/gtk-demo/images.c

@@ -17,7 +17,6 @@
 #include <glib/gstdio.h>
 #include <stdio.h>
 #include <errno.h>
-#include "pixbufpaintable.h"
 
 static GtkWidget *window = NULL;
 static GdkPixbufLoader *pixbuf_loader = NULL;
@@ -57,7 +56,6 @@ progressive_updated_callback (GdkPixbufLoader *loader,
   picture = GTK_WIDGET (data);
 
   pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
-  gtk_picture_set_pixbuf (GTK_PICTURE (picture), NULL);
   gtk_picture_set_pixbuf (GTK_PICTURE (picture), pixbuf);
 }
 
@@ -264,7 +262,7 @@ 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 (300, progressive_timeout, picture);
+  load_timeout = g_timeout_add (1500, progressive_timeout, picture);
   g_source_set_name_by_id (load_timeout, "[gtk] progressive_timeout");
 }
 
@@ -347,8 +345,9 @@ do_images (GtkWidget *do_widget)
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_box_append (GTK_BOX (hbox), vbox);
 
-      label = gtk_label_new ("Image from a resource");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Image loaded from a file</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -356,7 +355,7 @@ do_images (GtkWidget *do_widget)
       gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
       gtk_box_append (GTK_BOX (vbox), frame);
 
-      image = gtk_image_new_from_resource ("/images/org.gtk.Demo4.svg");
+      image = gtk_image_new_from_icon_name ("gtk3-demo");
       gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
 
       gtk_frame_set_child (GTK_FRAME (frame), image);
@@ -364,8 +363,9 @@ do_images (GtkWidget *do_widget)
 
       /* Animation */
 
-      label = gtk_label_new ("Animation from a resource");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Animation loaded from a file</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -373,16 +373,15 @@ do_images (GtkWidget *do_widget)
       gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
       gtk_box_append (GTK_BOX (vbox), frame);
 
-      paintable = pixbuf_paintable_new_from_resource ("/images/floppybuddy.gif");
-      picture = gtk_picture_new_for_paintable (paintable);
-      g_object_unref (paintable);
+      picture = gtk_picture_new_for_resource ("/images/floppybuddy.gif");
 
       gtk_frame_set_child (GTK_FRAME (frame), picture);
 
       /* Symbolic icon */
 
-      label = gtk_label_new ("Symbolic themed icon");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Symbolic themed icon</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -401,8 +400,9 @@ do_images (GtkWidget *do_widget)
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_box_append (GTK_BOX (hbox), vbox);
 
-      label = gtk_label_new ("Progressive image loading");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Progressive image loading</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -414,7 +414,6 @@ do_images (GtkWidget *do_widget)
        * will create the pixbuf and fill it in.
        */
       picture = gtk_picture_new ();
-      gtk_picture_set_alternative_text (GTK_PICTURE (picture), "A slowly loading image");
       gtk_frame_set_child (GTK_FRAME (frame), picture);
 
       start_progressive_loading (picture);
@@ -423,8 +422,9 @@ do_images (GtkWidget *do_widget)
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_box_append (GTK_BOX (hbox), vbox);
 
-      label = gtk_label_new ("Displaying video");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>Displaying video</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       frame = gtk_frame_new (NULL);
@@ -440,8 +440,9 @@ do_images (GtkWidget *do_widget)
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_box_append (GTK_BOX (hbox), vbox);
 
-      label = gtk_label_new ("GtkWidgetPaintable");
-      gtk_widget_add_css_class (label, "heading");
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label),
+                            "<u>GtkWidgetPaintable</u>");
       gtk_box_append (GTK_BOX (vbox), label);
 
       paintable = gtk_widget_paintable_new (do_widget);

demos/gtk-demo/layoutmanager.c

@@ -34,7 +34,7 @@ do_layoutmanager (GtkWidget *parent)
       int i;
 
       window = gtk_window_new ();
-      gtk_window_set_title (GTK_WINDOW (window), "Layout Manager — Transition");
+      gtk_window_set_title (GTK_WINDOW (window), "Layout Manager—Transition");
       gtk_window_set_default_size (GTK_WINDOW (window), 600, 600);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 

demos/gtk-demo/layoutmanager2.c

@@ -170,7 +170,7 @@ do_layoutmanager2 (GtkWidget *parent)
       int i;
 
       window = gtk_window_new ();
-      gtk_window_set_title (GTK_WINDOW (window), "Layout Manager — Transformation");
+      gtk_window_set_title (GTK_WINDOW (window), "Layout Manager—Transformation");
       gtk_window_set_default_size (GTK_WINDOW (window), 600, 620);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 

demos/gtk-demo/listbox.c

@@ -1,4 +1,4 @@
-/* List Box/Complex
+/* List Box/Complex list
  *
  * GtkListBox allows lists with complicated layouts, using
  * regular widgets supporting sorting and filtering.
@@ -197,7 +197,7 @@ gtk_message_row_update (GtkMessageRow *row)
 
   if (strcmp (priv->message->sender_nick, "@GTKtoolkit") == 0)
     {
-      gtk_image_set_from_icon_name (priv->avatar_image, "org.gtk.Demo4");
+      gtk_image_set_from_icon_name (priv->avatar_image, "gtk3-demo");
       gtk_image_set_icon_size (priv->avatar_image, GTK_ICON_SIZE_LARGE);
     }
   else
@@ -349,7 +349,7 @@ do_listbox (GtkWidget *do_widget)
       window = gtk_window_new ();
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
-      gtk_window_set_title (GTK_WINDOW (window), "List Box — Complex");
+      gtk_window_set_title (GTK_WINDOW (window), "List Box");
       gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 

demos/gtk-demo/listbox2.c

@@ -34,7 +34,7 @@ row_activated (GtkListBox    *list,
 }
 
 GtkWidget *
-do_listbox_controls (GtkWidget *do_widget)
+do_listbox2 (GtkWidget *do_widget)
 {
   if (!window)
     {
@@ -47,7 +47,7 @@ do_listbox_controls (GtkWidget *do_widget)
       builder = gtk_builder_new ();
       gtk_builder_set_scope (builder, scope);
 
-      gtk_builder_add_from_resource (builder, "/listbox_controls/listbox_controls.ui", NULL);
+      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),

demos/gtk-demo/listview_ucd.c

@@ -1,382 +0,0 @@
-/* Lists/Characters
- *
- * This demo shows a multi-column representation of some parts
- * of the Unicode Character Database, or UCD.
- *
- * The dataset used here has 33 796 items.
- */
-
-#include <gtk/gtk.h>
-#include "script-names.h"
-#include "unicode-names.h"
-
-
-#define UCD_TYPE_ITEM (ucd_item_get_type ())
-G_DECLARE_FINAL_TYPE (UcdItem, ucd_item, UCD, ITEM, GObject)
-
-struct _UcdItem
-{
-  GObject parent_instance;
-  gunichar codepoint;
-  const char *name;
-};
-
-struct _UcdItemClass
-{
-  GObjectClass parent_class;
-};
-
-G_DEFINE_TYPE (UcdItem, ucd_item, G_TYPE_OBJECT)
-
-static void
-ucd_item_init (UcdItem *item)
-{
-}
-
-static void
-ucd_item_class_init (UcdItemClass *class)
-{
-}
-
-static UcdItem *
-ucd_item_new (gunichar    codepoint,
-              const char *name)
-{
-  UcdItem *item;
-
-  item = g_object_new (UCD_TYPE_ITEM, NULL);
-
-  item->codepoint = codepoint;
-  item->name = name;
-
-  return item;
-}
-
-static gunichar
-ucd_item_get_codepoint (UcdItem *item)
-{
-  return item->codepoint;
-}
-
-static const char *
-ucd_item_get_name (UcdItem *item)
-{
-  return item->name;
-}
-
-static GListModel *
-ucd_model_new (void)
-{
-  GBytes *bytes;
-  GVariant *v;
-  GVariantIter *iter;
-  GListStore *store;
-  guint u;
-  char *name;
-
-  bytes = g_resources_lookup_data ("/listview_ucd_data/ucdnames.data", 0, NULL);
-  v = g_variant_ref_sink (g_variant_new_from_bytes (G_VARIANT_TYPE ("a(us)"), bytes, TRUE));
-
-  iter = g_variant_iter_new (v);
-
-  store = g_list_store_new (G_TYPE_OBJECT);
-  while (g_variant_iter_next (iter, "(u&s)", &u, &name))
-    {
-      if (u == 0)
-        continue;
-
-      UcdItem *item = ucd_item_new (u, name);
-      g_list_store_append (store, item);
-      g_object_unref (item);
-    }
-
-  g_variant_iter_free (iter);
-  g_variant_unref (v);
-  g_bytes_unref (bytes);
-
-  return G_LIST_MODEL (store);
-}
-
-static void
-setup_centered_label (GtkSignalListItemFactory *factory,
-                      GObject                  *listitem)
-{
-  GtkWidget *label;
-  label = gtk_label_new ("");
-  gtk_list_item_set_child (GTK_LIST_ITEM (listitem), label);
-}
-
-static void
-setup_label (GtkSignalListItemFactory *factory,
-             GObject                  *listitem)
-{
-  GtkWidget *label;
-  label = gtk_label_new ("");
-  gtk_label_set_xalign (GTK_LABEL (label), 0);
-  gtk_list_item_set_child (GTK_LIST_ITEM (listitem), label);
-}
-
-static void
-setup_ellipsizing_label (GtkSignalListItemFactory *factory,
-                         GObject                  *listitem)
-{
-  GtkWidget *label;
-  label = gtk_label_new ("");
-  gtk_label_set_xalign (GTK_LABEL (label), 0);
-  gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
-  gtk_label_set_width_chars (GTK_LABEL (label), 20);
-  gtk_list_item_set_child (GTK_LIST_ITEM (listitem), label);
-}
-
-static void
-bind_codepoint (GtkSignalListItemFactory *factory,
-                GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-  char buffer[16] = { 0, };
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-
-  g_snprintf (buffer, 10, "%#06x", codepoint);
-  gtk_label_set_label (GTK_LABEL (label), buffer);
-}
-
-static void
-bind_char (GtkSignalListItemFactory *factory,
-           GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-  char buffer[16] = { 0, };
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-
-  if (g_unichar_isprint (codepoint))
-    g_unichar_to_utf8 (codepoint, buffer);
-
-  gtk_label_set_label (GTK_LABEL (label), buffer);
-}
-
-static void
-bind_name (GtkSignalListItemFactory *factory,
-           GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  const char *name;
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  name = ucd_item_get_name (UCD_ITEM (item));
-
-  gtk_label_set_label (GTK_LABEL (label), name);
-}
-
-static void
-bind_type (GtkSignalListItemFactory *factory,
-           GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-
-  gtk_label_set_label (GTK_LABEL (label), get_unicode_type_name (g_unichar_type (codepoint)));
-}
-
-static void
-bind_break_type (GtkSignalListItemFactory *factory,
-                 GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-
-  gtk_label_set_label (GTK_LABEL (label), get_break_type_name (g_unichar_break_type (codepoint)));
-}
-
-static void
-bind_combining_class (GtkSignalListItemFactory *factory,
-                      GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-
-  gtk_label_set_label (GTK_LABEL (label), get_combining_class_name (g_unichar_combining_class (codepoint)));
-}
-
-static void
-bind_script (GtkSignalListItemFactory *factory,
-             GObject                  *listitem)
-{
-  GtkWidget *label;
-  GObject *item;
-  gunichar codepoint;
-  GUnicodeScript script;
-
-  label = gtk_list_item_get_child (GTK_LIST_ITEM (listitem));
-  item = gtk_list_item_get_item (GTK_LIST_ITEM (listitem));
-  codepoint = ucd_item_get_codepoint (UCD_ITEM (item));
-  script = g_unichar_get_script (codepoint);
-
-  gtk_label_set_label (GTK_LABEL (label), get_script_name (script));
-}
-
-static void
-selection_changed (GObject    *object,
-                   GParamSpec *pspec,
-                   GtkWidget  *label)
-{
-  UcdItem *item;
-  guint codepoint;
-  char buffer[16] = { 0, };
-
-  item = gtk_single_selection_get_selected_item (GTK_SINGLE_SELECTION (object));
-  codepoint = ucd_item_get_codepoint (item);
-
-  if (g_unichar_isprint (codepoint))
-    g_unichar_to_utf8 (codepoint, buffer);
-
-  gtk_label_set_label (GTK_LABEL (label), buffer);
-}
-
-GtkWidget *
-create_ucd_view (GtkWidget *label)
-{
-  GtkWidget *cv;
-  GListModel *ucd_model;
-  GtkSingleSelection *selection;
-  GtkListItemFactory *factory;
-  GtkColumnViewColumn *column;
-
-  ucd_model = ucd_model_new ();
-
-  selection = gtk_single_selection_new (ucd_model);
-  gtk_single_selection_set_autoselect (selection, TRUE);
-  gtk_single_selection_set_can_unselect (selection, FALSE);
-  if (label)
-    g_signal_connect (selection, "notify::selected", G_CALLBACK (selection_changed), label);
-
-  cv = gtk_column_view_new (GTK_SELECTION_MODEL (selection));
-  gtk_column_view_set_show_column_separators (GTK_COLUMN_VIEW (cv), TRUE);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_centered_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_codepoint), NULL);
-  column = gtk_column_view_column_new ("Codepoint", factory);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_centered_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_char), NULL);
-  column = gtk_column_view_column_new ("Char", factory);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_name), NULL);
-  column = gtk_column_view_column_new ("Name", factory);
-  gtk_column_view_column_set_resizable (column, TRUE);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_type), NULL);
-  column = gtk_column_view_column_new ("Type", factory);
-  gtk_column_view_column_set_resizable (column, TRUE);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_break_type), NULL);
-  column = gtk_column_view_column_new ("Break Type", factory);
-  gtk_column_view_column_set_resizable (column, TRUE);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_combining_class), NULL);
-  column = gtk_column_view_column_new ("Combining Class", factory);
-  gtk_column_view_column_set_resizable (column, TRUE);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_label), NULL);
-  g_signal_connect (factory, "bind", G_CALLBACK (bind_script), NULL);
-  column = gtk_column_view_column_new ("Script", factory);
-  gtk_column_view_column_set_resizable (column, TRUE);
-  gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
-  g_object_unref (column);
-
-  return cv;
-}
-
-static GtkWidget *window;
-
-GtkWidget *
-do_listview_ucd (GtkWidget *do_widget)
-{
-  if (window == NULL)
-    {
-      GtkWidget *listview, *sw;
-      GtkWidget *box, *label;
-      GtkCssProvider *provider;
-
-      window = gtk_window_new ();
-      gtk_window_set_default_size (GTK_WINDOW (window), 800, 400);
-      gtk_window_set_title (GTK_WINDOW (window), "Characters");
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
-
-      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-      label = gtk_label_new ("");
-      gtk_label_set_width_chars (GTK_LABEL (label), 2);
-      gtk_widget_add_css_class (label, "enormous");
-      provider = gtk_css_provider_new ();
-      gtk_css_provider_load_from_data (provider, "label.enormous { font-size: 80px; }", -1);
-      gtk_style_context_add_provider (gtk_widget_get_style_context (label), GTK_STYLE_PROVIDER (provider), 800);
-      gtk_widget_set_hexpand (label, TRUE);
-      gtk_box_append (GTK_BOX (box), label);
-
-      sw = gtk_scrolled_window_new ();
-      gtk_scrolled_window_set_propagate_natural_width (GTK_SCROLLED_WINDOW (sw), TRUE);
-      listview = create_ucd_view (label);
-      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
-      gtk_box_prepend (GTK_BOX (box), sw);
-      gtk_window_set_child (GTK_WINDOW (window), box);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}
-

demos/gtk-demo/listview_words.c

@@ -142,42 +142,16 @@ load_file (GtkStringList *list,
 }
 
 static void
-open_response_cb (GtkWidget     *dialog,
-                  int            response,
+file_selected_cb (GtkWidget     *button,
                   GtkStringList *stringlist)
 {
-  gtk_widget_hide (dialog);
+  GFile *file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (button));
 
-  if (response == GTK_RESPONSE_ACCEPT)
+  if (file)
     {
-      GFile *file;
-
-      file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
       load_file (stringlist, file);
       g_object_unref (file);
     }
-
-  gtk_window_destroy (GTK_WINDOW (dialog));
-}
-
-static void
-file_open_cb (GtkWidget     *button,
-              GtkStringList *stringlist)
-{
-  GtkWidget *dialog;
-
-  dialog = gtk_file_chooser_dialog_new ("Open file",
-                                        GTK_WINDOW (gtk_widget_get_root (button)),
-                                        GTK_FILE_CHOOSER_ACTION_OPEN,
-                                        "_Cancel", GTK_RESPONSE_CANCEL,
-                                        "_Load", GTK_RESPONSE_ACCEPT,
-                                        NULL);
-
-  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
-  gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
-
-  g_signal_connect (dialog, "response", G_CALLBACK (open_response_cb), stringlist);
-  gtk_widget_show (dialog);
 }
 
 GtkWidget *
@@ -215,8 +189,8 @@ do_listview_words (GtkWidget *do_widget)
 
       header = gtk_header_bar_new ();
       gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (header), TRUE);
-      open_button = gtk_button_new_with_mnemonic ("_Open");
-      g_signal_connect (open_button, "clicked", G_CALLBACK (file_open_cb), stringlist);
+      open_button = gtk_file_chooser_button_new ("_Open", GTK_FILE_CHOOSER_ACTION_OPEN);
+      g_signal_connect (open_button, "file-set", G_CALLBACK (file_selected_cb), stringlist);
       gtk_header_bar_pack_start (GTK_HEADER_BAR (header), open_button);
       gtk_window_set_titlebar (GTK_WINDOW (window), header);
 

demos/gtk-demo/main.c

@@ -337,8 +337,8 @@ display_text (const char  *format,
 
   bytes = g_resources_lookup_data (resource, 0, NULL);
   g_assert (bytes);
-  text = g_bytes_get_data (bytes, &len);
-  g_assert (g_utf8_validate (text, len, NULL));
+
+  g_assert (g_utf8_validate (g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes), NULL));
 
   textview = gtk_text_view_new ();
   gtk_text_view_set_left_margin (GTK_TEXT_VIEW (textview), 20);
@@ -354,8 +354,9 @@ display_text (const char  *format,
   gtk_text_view_set_monospace (GTK_TEXT_VIEW (textview), TRUE);
 
   buffer = gtk_text_buffer_new (NULL);
+
+  text = g_bytes_unref_to_data (bytes, &len);
   gtk_text_buffer_set_text (buffer, text, len);
-  g_bytes_unref (bytes);
 
   if (format)
     fontify (format, buffer);
@@ -390,7 +391,7 @@ display_nothing (const char *resource)
   GtkWidget *widget;
   char *str;
 
-  str = g_strdup_printf ("The contents of the resource at '%s' cannot be displayed", resource);
+  str = g_strdup_printf ("The lazy GTK developers forgot to add a way to display the resource '%s'", resource);
   widget = gtk_label_new (str);
   gtk_label_set_wrap (GTK_LABEL (widget), TRUE);
 
@@ -409,7 +410,6 @@ static struct {
   { ".gif", NULL, display_image },
   { ".jpg", NULL, display_image },
   { ".png", NULL, display_image },
-  { ".svg", NULL, display_image },
   { ".c", "c", display_text },
   { ".css", "css", display_text },
   { ".glsl", NULL, display_text },

demos/gtk-demo/main.ui

@@ -17,6 +17,9 @@
     </section>
   </menu>
   <object class="GtkApplicationWindow" id="window">
+    <style>
+      <class name="devel"/>
+    </style>
     <property name="default-width">800</property>
     <property name="default-height">600</property>
     <child type="titlebar">
@@ -25,17 +28,14 @@
           <object class="GtkButton">
             <property name="valign">center</property>
             <property name="action-name">win.run</property>
-            <property name="label" translatable="yes">Run</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkToggleButton">
-            <property name="icon-name">edit-find-symbolic</property>
-            <property name="valign">center</property>
-            <property name="active" bind-source="searchbar" bind-property="search-mode-enabled" bind-flags="bidirectional|sync-create"/>
-            <accessibility>
-              <property name="label" translatable="yes">Search</property>
-            </accessibility>
+            <style>
+              <class name="text-button"/>
+            </style>
+            <child>
+              <object class="GtkLabel">
+                <property name="label" translatable="yes">Run</property>
+              </object>
+            </child>
           </object>
         </child>
         <child type="end">
@@ -43,9 +43,6 @@
             <property name="valign">center</property>
             <property name="menu-model">gear_menu</property>
             <property name="icon-name">open-menu-symbolic</property>
-            <accessibility>
-              <property name="label" translatable="yes">Primary menu</property>
-            </accessibility>
           </object>
         </child>
       </object>
@@ -54,9 +51,6 @@
       <object class="GtkBox">
         <child>
           <object class="GtkScrolledWindow">
-            <style>
-              <class name="sidebar"/>
-            </style>
             <property name="width-request">120</property>
             <property name="hscrollbar-policy">never</property>
             <property name="min-content-width">150</property>
@@ -69,11 +63,7 @@
                   <object class="GtkSearchBar" id="searchbar">
                     <property name="key-capture-widget">window</property>
                     <child>
-                      <object class="GtkSearchEntry" id="search-entry">
-                        <accessibility>
-                          <relation name="controls">listview</relation>
-                        </accessibility>
-                      </object>
+                      <object class="GtkSearchEntry" id="search-entry"/>
                     </child>
                   </object>
                 </child>
@@ -88,10 +78,6 @@
                         <property name="resource">/ui/main-listitem.ui</property>
                       </object>
                     </property>
-                    <accessibility>
-                      <property name="label" translatable="yes">Demo list</property>
-                      <relation name="controls">notebook</relation>
-                    </accessibility>
                   </object>
                 </child>
 
@@ -99,6 +85,9 @@
             </child>
           </object>
         </child>
+        <child>
+          <object class="GtkSeparator"/>
+        </child>
         <child>
           <object class="GtkNotebook" id="notebook">
             <property name="scrollable">1</property>
@@ -123,10 +112,6 @@
                         <property name="editable">0</property>
                         <property name="wrap-mode">word</property>
                         <property name="cursor-visible">0</property>
-                        <accessibility>
-                          <property name="label" translatable="yes">Info</property>
-                          <property name="description" translatable="yes">A description of the demo</property>
-                        </accessibility>
                       </object>
                     </child>
                   </object>
@@ -157,10 +142,6 @@
                         <property name="wrap-mode">word</property>
                         <property name="pixels-above-lines">2</property>
                         <property name="pixels-below-lines">2</property>
-                        <accessibility>
-                          <property name="label" translatable="yes">Source</property>
-                          <property name="description" translatable="yes">The source code of the demo</property>
-                        </accessibility>
                       </object>
                     </child>
                   </object>

demos/gtk-demo/meson.build

@@ -7,9 +7,8 @@ demos = files([
   'clipboard.c',
   'combobox.c',
   'constraints.c',
-  'constraints_interactive.c',
-  'constraints_vfl.c',
-  'constraints_builder.c',
+  'constraints2.c',
+  'constraints3.c',
   'css_accordion.c',
   'css_basics.c',
   'css_blendmodes.c',
@@ -19,6 +18,7 @@ demos = files([
   'cursors.c',
   'dialog.c',
   'drawingarea.c',
+  'dropdown.c',
   'dnd.c',
   'editable_cells.c',
   'entry_completion.c',
@@ -44,7 +44,7 @@ demos = files([
   'layoutmanager2.c',
   'links.c',
   'listbox.c',
-  'listbox_controls.c',
+  'listbox2.c',
   'menu.c',
   'flowbox.c',
   'list_store.c',
@@ -53,14 +53,12 @@ demos = files([
   'listview_colors.c',
   'listview_filebrowser.c',
   'listview_minesweeper.c',
-  'dropdown.c',
   'listview_settings.c',
-  'listview_ucd.c',
   'listview_weather.c',
   'listview_words.c',
   'markup.c',
   'overlay.c',
-  'overlay_decorative.c',
+  'overlay2.c',
   'paint.c',
   'paintable.c',
   'paintable_animated.c',
@@ -68,9 +66,6 @@ demos = files([
   'paintable_mediastream.c',
   'panes.c',
   'password_entry.c',
-  'path_fill.c',
-  'path_maze.c',
-  'path_text.c',
   'peg_solitaire.c',
   'pickers.c',
   'printing.c',
@@ -123,15 +118,11 @@ extra_demo_sources = files(['main.c',
                             'singular_value_decomposition.c',
                             'four_point_transform.c',
                             'demo2widget.c',
-                            'demo3widget.c',
-                            'pixbufpaintable.c',
-                            'script-names.c',
-                            'unicode-names.c',
-                            'suggestionentry.c'])
+                            'demo3widget.c'])
 
 if harfbuzz_dep.found() and pangoft_dep.found()
-  demos += files(['font_features.c'])
-  extra_demo_sources += files(['language-names.c'])
+  demos += files('font_features.c')
+  extra_demo_sources += files(['script-names.c', 'language-names.c'])
   gtkdemo_deps += [ harfbuzz_dep, epoxy_dep ]
 endif
 
@@ -139,14 +130,6 @@ if os_unix
   demos += files('pagesetup.c')
 endif
 
-librsvg_dep = dependency('librsvg-2.0', version: '>= 2.46.0', required: false)
-
-if librsvg_dep.found()
-  demos += files('paintable_svg.c')
-  extra_demo_sources += files(['svgpaintable.c'])
-  gtkdemo_deps += [ librsvg_dep ]
-endif
-
 gtkdemo_args = [ '-DGDK_DISABLE_DEPRECATED', '-DGTK_DISABLE_DEPRECATED', ]
 
 demos_h = custom_target('gtk4 demo header',

demos/gtk-demo/org.gtk.gtk4.NodeEditor.Devel.svg

@@ -1,88 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg height="128px" viewBox="0 0 128 128" width="128px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <linearGradient id="a" gradientUnits="userSpaceOnUse" x1="43.000351" x2="85.000351" y1="39.000164" y2="39.000164">
-        <stop offset="0" stop-color="#26a269"/>
-        <stop offset="0.0934161" stop-color="#84e3b7"/>
-        <stop offset="0.330831" stop-color="#26a269"/>
-        <stop offset="0.686952" stop-color="#26a269"/>
-        <stop offset="0.89736" stop-color="#175e3c"/>
-        <stop offset="1" stop-color="#26a269"/>
-    </linearGradient>
-    <linearGradient id="b" gradientUnits="userSpaceOnUse">
-        <stop offset="0" stop-color="#c0bfbc"/>
-        <stop offset="0.154754" stop-color="#ffffff"/>
-        <stop offset="0.433722" stop-color="#bdbbb5"/>
-        <stop offset="0.650505" stop-color="#c1c0ba"/>
-        <stop offset="0.825253" stop-color="#ffffff"/>
-        <stop offset="1" stop-color="#c0bfbc"/>
-    </linearGradient>
-    <linearGradient id="c" gradientTransform="matrix(0.0811899 -0.046875 0.069079 0.119648 307.03142 127.069456)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
-    <linearGradient id="d" gradientTransform="matrix(-0.0811899 -0.046875 -0.069079 0.119648 -177.242852 127.069447)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
-    <linearGradient id="e" gradientUnits="userSpaceOnUse" x1="14" x2="56" y1="94.999964" y2="94.999964">
-        <stop offset="0" stop-color="#813d9c"/>
-        <stop offset="0.109119" stop-color="#b378ca"/>
-        <stop offset="0.241583" stop-color="#813d9c"/>
-        <stop offset="0.731841" stop-color="#813d9c"/>
-        <stop offset="0.872163" stop-color="#4d255d"/>
-        <stop offset="1" stop-color="#813d9c"/>
-    </linearGradient>
-    <linearGradient id="f" gradientUnits="userSpaceOnUse" x1="72" x2="114" y1="94.999964" y2="94.999964">
-        <stop offset="0" stop-color="#e66100"/>
-        <stop offset="0.0678478" stop-color="#ff903e"/>
-        <stop offset="0.168852" stop-color="#e66100"/>
-        <stop offset="0.886626" stop-color="#e66100"/>
-        <stop offset="1" stop-color="#9d4200"/>
-    </linearGradient>
-    <clipPath id="g">
-        <rect height="128" width="128"/>
-    </clipPath>
-    <clipPath id="h">
-        <rect height="128" width="128"/>
-    </clipPath>
-    <filter id="i" height="100%" width="100%" x="0%" y="0%">
-        <feColorMatrix in="SourceGraphic" type="matrix" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/>
-    </filter>
-    <mask id="j">
-        <g clip-path="url(#h)" filter="url(#i)">
-            <g clip-path="url(#g)">
-                <path d="m 51 18 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#a)"/>
-                <path d="m 51 12 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#57e389"/>
-                <path d="m 76.976562 55.453125 c 1.480469 -0.855469 3.371094 -0.347656 4.226563 1.132813 l 6.742187 11.679687 c 0.855469 1.480469 0.347657 3.371094 -1.132812 4.226563 c -1.480469 0.851562 -3.371094 0.347656 -4.226562 -1.132813 l -6.742188 -11.679687 c -0.855469 -1.480469 -0.347656 -3.371094 1.132812 -4.226563 z m 0 0" fill="url(#c)"/>
-                <path d="m 52.8125 55.453125 c -1.480469 -0.855469 -3.371094 -0.347656 -4.226562 1.132813 l -6.742188 11.679687 c -0.855469 1.480469 -0.347656 3.371094 1.132812 4.226563 c 1.480469 0.851562 3.371094 0.347656 4.226563 -1.132813 l 6.742187 -11.679687 c 0.855469 -1.480469 0.347657 -3.371094 -1.132812 -4.226563 z m 0 0" fill="url(#d)"/>
-                <path d="m 22 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#e)"/>
-                <path d="m 22 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#dc8add"/>
-                <path d="m 80 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#f)"/>
-                <path d="m 80 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#ffa348"/>
-            </g>
-        </g>
-    </mask>
-    <mask id="k">
-        <g filter="url(#i)">
-            <rect fill-opacity="0.8" height="128" width="128"/>
-        </g>
-    </mask>
-    <linearGradient id="l" gradientTransform="matrix(0 0.37 -0.98462 0 295.38501 -30.360001)" gradientUnits="userSpaceOnUse" x1="300" x2="428" y1="235" y2="235">
-        <stop offset="0" stop-color="#f9f06b"/>
-        <stop offset="1" stop-color="#f5c211"/>
-    </linearGradient>
-    <clipPath id="m">
-        <rect height="128" width="128"/>
-    </clipPath>
-    <clipPath id="n">
-        <rect height="128" width="128"/>
-    </clipPath>
-    <path d="m 51 18 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#a)"/>
-    <path d="m 51 12 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#57e389"/>
-    <path d="m 76.976562 55.453125 c 1.480469 -0.855469 3.371094 -0.347656 4.226563 1.132813 l 6.742187 11.679687 c 0.855469 1.480469 0.347657 3.371094 -1.132812 4.226563 c -1.480469 0.851562 -3.371094 0.347656 -4.226562 -1.132813 l -6.742188 -11.679687 c -0.855469 -1.480469 -0.347656 -3.371094 1.132812 -4.226563 z m 0 0" fill="url(#c)"/>
-    <path d="m 52.8125 55.453125 c -1.480469 -0.855469 -3.371094 -0.347656 -4.226562 1.132813 l -6.742188 11.679687 c -0.855469 1.480469 -0.347656 3.371094 1.132812 4.226563 c 1.480469 0.851562 3.371094 0.347656 4.226563 -1.132813 l 6.742187 -11.679687 c 0.855469 -1.480469 0.347657 -3.371094 -1.132812 -4.226563 z m 0 0" fill="url(#d)"/>
-    <path d="m 22 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#e)"/>
-    <path d="m 22 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#dc8add"/>
-    <path d="m 80 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#f)"/>
-    <path d="m 80 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#ffa348"/>
-    <g clip-path="url(#n)" mask="url(#j)">
-        <g clip-path="url(#m)" mask="url(#k)">
-            <path d="m 128 80.640625 v 47.359375 h -128 v -47.359375 z m 0 0" fill="url(#l)"/>
-            <path d="m 13.308594 80.640625 l 47.355468 47.359375 h 21.214844 l -47.359375 -47.359375 z m 42.421875 0 l 47.363281 47.359375 h 21.214844 l -47.363282 -47.359375 z m 42.429687 0 l 29.839844 29.839844 v -21.210938 l -8.628906 -8.628906 z m -98.160156 7.90625 v 21.214844 l 18.238281 18.238281 h 21.214844 z m 0 0"/>
-        </g>
-    </g>
-</svg>

demos/gtk-demo/overlay2.c

@@ -21,7 +21,7 @@ margin_changed (GtkAdjustment *adjustment,
 }
 
 GtkWidget *
-do_overlay_decorative (GtkWidget *do_widget)
+do_overlay2 (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
 

demos/gtk-demo/paintable.c

@@ -1,4 +1,4 @@
-/* Paintable/Simple Paintable
+/* Paintable/A simple paintable
  *
  * GdkPaintable is an interface used by GTK for drawings of any sort
  * that do not require layouting or positioning.

demos/gtk-demo/paintable_animated.c

@@ -1,4 +1,4 @@
-/* Paintable/Animated Paintable
+/* Paintable/An animated paintable
  *
  * GdkPaintable also allows paintables to change.
  *

demos/gtk-demo/paintable_emblem.c

@@ -153,7 +153,7 @@ do_paintable_emblem (GtkWidget *do_widget)
       window = gtk_window_new ();
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
-      gtk_window_set_title (GTK_WINDOW (window), "Paintable — Emblems");
+      gtk_window_set_title (GTK_WINDOW (window), "Emblems");
       gtk_window_set_default_size (GTK_WINDOW (window), 300, 200);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 

demos/gtk-demo/paintable_mediastream.c

@@ -1,4 +1,4 @@
-/* Paintable/Media Stream
+/* Paintable/A media stream
  *
  * GdkPaintable is also used by the GtkMediaStream class.
  *

demos/gtk-demo/paintable_svg.c

@@ -1,106 +0,0 @@
-/* Paintable/SVG
- *
- * This demo shows wrapping a librsvg RsvgHandle in a GdkPaintable
- * to display an SVG image that can be scaled by resizing the window.
- *
- * This demo relies on librsvg, which GTK itself does not link against.
- */
-
-#include <gtk/gtk.h>
-#include <librsvg/rsvg.h>
-
-#include "svgpaintable.h"
-
-
-static void
-open_response_cb (GtkWidget  *dialog,
-                  int         response,
-                  GtkPicture *picture)
-{
-  gtk_widget_hide (dialog);
-
-  if (response == GTK_RESPONSE_ACCEPT)
-    {
-      GFile *file;
-      GdkPaintable *paintable;
-
-      file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-      paintable = svg_paintable_new (file);
-      gtk_picture_set_paintable (GTK_PICTURE (picture), paintable);
-      g_object_unref (paintable);
-      g_object_unref (file);
-    }
-
-  gtk_window_destroy (GTK_WINDOW (dialog));
-}
-
-static void
-show_file_open (GtkWidget  *button,
-                GtkPicture *picture)
-{
-  GtkFileFilter *filter;
-  GtkWidget *dialog;
-
-  dialog = gtk_file_chooser_dialog_new ("Open node file",
-                                        GTK_WINDOW (gtk_widget_get_root (button)),
-                                        GTK_FILE_CHOOSER_ACTION_OPEN,
-                                        "_Cancel", GTK_RESPONSE_CANCEL,
-                                        "_Load", GTK_RESPONSE_ACCEPT,
-                                        NULL);
-
-  filter = gtk_file_filter_new ();
-  gtk_file_filter_add_mime_type (filter, "image/svg+xml");
-  gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
-
-  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
-  gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
-
-  g_signal_connect (dialog, "response", G_CALLBACK (open_response_cb), picture);
-  gtk_widget_show (dialog);
-}
-
-static GtkWidget *window;
-
-GtkWidget *
-do_paintable_svg (GtkWidget *do_widget)
-{
-  GtkWidget *header;
-  GtkWidget *picture;
-  GtkWidget *button;
-  GFile *file;
-  GdkPaintable *paintable;
-
-  if (!window)
-    {
-      window = gtk_window_new ();
-      header = gtk_header_bar_new ();
-      gtk_window_set_titlebar (GTK_WINDOW (window), header);
-      gtk_window_set_default_size (GTK_WINDOW (window), 330, 330);
-      gtk_window_set_title (GTK_WINDOW (window), "Paintable — SVG");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      button = gtk_button_new_with_mnemonic ("_Open");
-      gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
-
-      picture = gtk_picture_new ();
-      gtk_picture_set_can_shrink (GTK_PICTURE (picture), TRUE);
-      gtk_widget_set_size_request (picture, 16, 16);
-
-      g_signal_connect (button, "clicked", G_CALLBACK (show_file_open), picture);
-
-      gtk_window_set_child (GTK_WINDOW (window), picture);
-
-      file = g_file_new_for_uri ("resource:///paintable_svg/org.gtk.gtk4.NodeEditor.Devel.svg");
-      paintable = svg_paintable_new (file);
-      gtk_picture_set_paintable (GTK_PICTURE (picture), paintable);
-      g_object_unref (paintable);
-      g_object_unref (file);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/panes.c

@@ -3,16 +3,100 @@
  * The GtkPaned Widget divides its content area into two panes
  * with a divider in between that the user can adjust. A separate
  * child is placed into each pane. GtkPaned widgets can be split
- * horizontally or vertically. This test contains both a horizontal
- * and a vertical GtkPaned widget.
+ * horizontally or vertially.
  *
  * There are a number of options that can be set for each pane.
- * You can use the Inspector to adjust the options for each side
- * of each widget.
+ * This test contains both a horizontal and a vertical GtkPaned
+ * widget, and allows you to adjust the options for each side of
+ * each widget.
  */
 
 #include <gtk/gtk.h>
 
+static void
+toggle_resize (GtkWidget *widget,
+               GtkWidget *child)
+{
+  GtkWidget *parent;
+  GtkPaned *paned;
+
+  parent = gtk_widget_get_parent (child);
+  paned = GTK_PANED (parent);
+
+  if (child == gtk_paned_get_start_child (paned))
+    gtk_paned_set_resize_start_child (paned, !gtk_paned_get_resize_start_child (paned));
+  else
+    gtk_paned_set_resize_end_child (paned, !gtk_paned_get_resize_end_child (paned));
+}
+
+static void
+toggle_shrink (GtkWidget *widget,
+               GtkWidget *child)
+{
+  GtkWidget *parent;
+  GtkPaned *paned;
+
+  parent = gtk_widget_get_parent (child);
+  paned = GTK_PANED (parent);
+
+  if (child == gtk_paned_get_start_child (paned))
+    gtk_paned_set_shrink_start_child (paned, !gtk_paned_get_shrink_start_child (paned));
+  else
+    gtk_paned_set_shrink_end_child (paned, !gtk_paned_get_shrink_end_child (paned));
+}
+
+static GtkWidget *
+create_pane_options (GtkPaned    *paned,
+                     const char *frame_label,
+                     const char *label1,
+                     const char *label2)
+{
+  GtkWidget *child1, *child2;
+  GtkWidget *frame;
+  GtkWidget *table;
+  GtkWidget *label;
+  GtkWidget *check_button;
+
+  child1 = gtk_paned_get_start_child (paned);
+  child2 = gtk_paned_get_end_child (paned);
+
+  frame = gtk_frame_new (frame_label);
+
+  table = gtk_grid_new ();
+  gtk_frame_set_child (GTK_FRAME (frame), table);
+
+  label = gtk_label_new (label1);
+  gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
+
+  check_button = gtk_check_button_new_with_mnemonic ("_Resize");
+  gtk_grid_attach (GTK_GRID (table), check_button, 0, 1, 1, 1);
+  g_signal_connect (check_button, "toggled",
+                    G_CALLBACK (toggle_resize), child1);
+
+  check_button = gtk_check_button_new_with_mnemonic ("_Shrink");
+  gtk_grid_attach (GTK_GRID (table), check_button, 0, 2, 1, 1);
+  gtk_check_button_set_active (GTK_CHECK_BUTTON (check_button), TRUE);
+  g_signal_connect (check_button, "toggled",
+                    G_CALLBACK (toggle_shrink), child1);
+
+  label = gtk_label_new (label2);
+  gtk_grid_attach (GTK_GRID (table), label, 1, 0, 1, 1);
+
+  check_button = gtk_check_button_new_with_mnemonic ("_Resize");
+  gtk_grid_attach (GTK_GRID (table), check_button, 1, 1, 1, 1);
+  gtk_check_button_set_active (GTK_CHECK_BUTTON (check_button), TRUE);
+  g_signal_connect (check_button, "toggled",
+                    G_CALLBACK (toggle_resize), child2);
+
+  check_button = gtk_check_button_new_with_mnemonic ("_Shrink");
+  gtk_grid_attach (GTK_GRID (table), check_button, 1, 2, 1, 1);
+  gtk_check_button_set_active (GTK_CHECK_BUTTON (check_button), TRUE);
+  g_signal_connect (check_button, "toggled",
+                    G_CALLBACK (toggle_shrink), child2);
+
+  return frame;
+}
+
 GtkWidget *
 do_panes (GtkWidget *do_widget)
 {
@@ -20,19 +104,19 @@ do_panes (GtkWidget *do_widget)
   GtkWidget *frame;
   GtkWidget *hpaned;
   GtkWidget *vpaned;
-  GtkWidget *label;
+  GtkWidget *button;
   GtkWidget *vbox;
+  GtkWidget *box;
 
   if (!window)
     {
       window = gtk_window_new ();
-      gtk_window_set_title (GTK_WINDOW (window), "Paned Widgets");
-      gtk_window_set_default_size (GTK_WINDOW (window), 330, 250);
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
+      gtk_window_set_title (GTK_WINDOW (window), "Paned Widgets");
+
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
       gtk_widget_set_margin_start (vbox, 8);
       gtk_widget_set_margin_end (vbox, 8);
@@ -48,37 +132,41 @@ do_panes (GtkWidget *do_widget)
 
       hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
       gtk_paned_set_start_child (GTK_PANED (vpaned), hpaned);
-      gtk_paned_set_shrink_start_child (GTK_PANED (vpaned), FALSE);
 
-      label = gtk_label_new ("Hi there");
-      gtk_widget_set_margin_start (label, 4);
-      gtk_widget_set_margin_end (label, 4);
-      gtk_widget_set_margin_top (label, 4);
-      gtk_widget_set_margin_bottom (label, 4);
-      gtk_widget_set_hexpand (label, TRUE);
-      gtk_widget_set_vexpand (label, TRUE);
-      gtk_paned_set_start_child (GTK_PANED (hpaned), label);
-      gtk_paned_set_shrink_start_child (GTK_PANED (hpaned), FALSE);
+      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);
 
-      label = gtk_label_new ("Hello");
-      gtk_widget_set_margin_start (label, 4);
-      gtk_widget_set_margin_end (label, 4);
-      gtk_widget_set_margin_top (label, 4);
-      gtk_widget_set_margin_bottom (label, 4);
-      gtk_widget_set_hexpand (label, TRUE);
-      gtk_widget_set_vexpand (label, TRUE);
-      gtk_paned_set_end_child (GTK_PANED (hpaned), label);
-      gtk_paned_set_shrink_end_child (GTK_PANED (hpaned), FALSE);
+      button = gtk_button_new_with_mnemonic ("_Hi there");
+      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);
 
-      label = gtk_label_new ("Goodbye");
-      gtk_widget_set_margin_start (label, 4);
-      gtk_widget_set_margin_end (label, 4);
-      gtk_widget_set_margin_top (label, 4);
-      gtk_widget_set_margin_bottom (label, 4);
-      gtk_widget_set_hexpand (label, TRUE);
-      gtk_widget_set_vexpand (label, TRUE);
-      gtk_paned_set_end_child (GTK_PANED (vpaned), label);
-      gtk_paned_set_shrink_end_child (GTK_PANED (vpaned), FALSE);
+      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);
+
+      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 */
+
+      gtk_box_append (GTK_BOX (vbox),
+                          create_pane_options (GTK_PANED (hpaned),
+                                               "Horizontal",
+                                               "Left",
+                                               "Right"));
+
+      gtk_box_append (GTK_BOX (vbox),
+                          create_pane_options (GTK_PANED (vpaned),
+                                               "Vertical",
+                                               "Top",
+                                               "Bottom"));
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/path_fill.c

@@ -1,359 +0,0 @@
-/* Path/Fill
- *
- * This demo shows how to use PangoCairo to draw text with more than
- * just a single color.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#include "paintable.h"
-#include "gsk/gskpathdashprivate.h"
-
-#define GTK_TYPE_PATH_PAINTABLE (gtk_path_paintable_get_type ())
-G_DECLARE_FINAL_TYPE (GtkPathPaintable, gtk_path_paintable, GTK, PATH_PAINTABLE, GObject)
-
-struct _GtkPathPaintable
-{
-  GObject parent_instance;
-
-  int width;
-  int height;
-  GskPath *path;
-  GdkPaintable *background;
-};
-
-struct _GtkPathPaintableClass
-{
-  GObjectClass parent_class;
-};
-
-static int
-gtk_path_paintable_get_intrinsic_width (GdkPaintable *paintable)
-{
-  GtkPathPaintable *self = GTK_PATH_PAINTABLE (paintable);
-
-  if (self->background)
-    return MAX (gdk_paintable_get_intrinsic_width (self->background), self->width);
-  else
-    return self->width;
-}
-
-static int
-gtk_path_paintable_get_intrinsic_height (GdkPaintable *paintable)
-{
-  GtkPathPaintable *self = GTK_PATH_PAINTABLE (paintable);
-
-  if (self->background)
-    return MAX (gdk_paintable_get_intrinsic_height (self->background), self->height);
-  else
-    return self->height;
-}
-
-static void
-gtk_path_paintable_snapshot (GdkPaintable *paintable,
-                             GdkSnapshot  *snapshot,
-                             double        width,
-                             double        height)
-{
-  GtkPathPaintable *self = GTK_PATH_PAINTABLE (paintable);
-
-#if 0
-  gtk_snapshot_push_fill (snapshot, self->path, GSK_FILL_RULE_WINDING);
-#else
-  GskStroke *stroke = gsk_stroke_new (2.0);
-  gtk_snapshot_push_stroke (snapshot, self->path, stroke);
-  gsk_stroke_free (stroke);
-#endif
-
-  if (self->background)
-    {
-      gdk_paintable_snapshot (self->background, snapshot, width, height);
-    }
-  else
-    {
-      gtk_snapshot_append_linear_gradient (snapshot,
-                                           &GRAPHENE_RECT_INIT (0, 0, width, height),
-                                           &GRAPHENE_POINT_INIT (0, 0),
-                                           &GRAPHENE_POINT_INIT (width, height),
-                                           (GskColorStop[8]) {
-                                             { 0.0, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.2, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.3, { 1.0, 1.0, 0.0, 1.0 } },
-                                             { 0.4, { 0.0, 1.0, 0.0, 1.0 } },
-                                             { 0.6, { 0.0, 1.0, 1.0, 1.0 } },
-                                             { 0.7, { 0.0, 0.0, 1.0, 1.0 } },
-                                             { 0.8, { 1.0, 0.0, 1.0, 1.0 } },
-                                             { 1.0, { 1.0, 0.0, 1.0, 1.0 } }
-                                           },
-                                           8);
-    }
-
-  gtk_snapshot_pop (snapshot);
-
-}
-
-static GdkPaintableFlags
-gtk_path_paintable_get_flags (GdkPaintable *paintable)
-{
-  GtkPathPaintable *self = GTK_PATH_PAINTABLE (paintable);
-
-  if (self->background)
-    return gdk_paintable_get_flags (self->background);
-  else
-    return GDK_PAINTABLE_STATIC_CONTENTS | GDK_PAINTABLE_STATIC_SIZE;
-}
-
-static void
-gtk_path_paintable_paintable_init (GdkPaintableInterface *iface)
-{
-  iface->get_intrinsic_width = gtk_path_paintable_get_intrinsic_width;
-  iface->get_intrinsic_height = gtk_path_paintable_get_intrinsic_height;
-  iface->snapshot = gtk_path_paintable_snapshot;
-  iface->get_flags = gtk_path_paintable_get_flags;
-}
-
-/* When defining the GType, we need to implement the GdkPaintable interface */
-G_DEFINE_TYPE_WITH_CODE (GtkPathPaintable, gtk_path_paintable, G_TYPE_OBJECT,
-                         G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
-                                                gtk_path_paintable_paintable_init))
-
-/* Here's the boilerplate for the GObject declaration.
- * We don't need to do anything special here, because we keep no
- * data of our own.
- */
-static void
-gtk_path_paintable_class_init (GtkPathPaintableClass *klass)
-{
-}
-
-static void
-gtk_path_paintable_init (GtkPathPaintable *self)
-{
-}
-
-/* And finally, we add a simple constructor.
- * It is declared in the header so that the other examples
- * can use it.
- */
-GdkPaintable *
-gtk_path_paintable_new (GskPath      *path,
-                        GdkPaintable *background,
-                        int           width,
-                        int           height)
-{
-  GtkPathPaintable *self;
-
-  self = g_object_new (GTK_TYPE_PATH_PAINTABLE, NULL);
-  self->path = path;
-  self->background = background;
-  if (self->background)
-    {
-      g_signal_connect_swapped (self->background, "invalidate-contents", G_CALLBACK (gdk_paintable_invalidate_contents), self);
-      g_signal_connect_swapped (self->background, "invalidate-size", G_CALLBACK (gdk_paintable_invalidate_size), self);
-    }
-  self->width = width;
-  self->height = height;
-
-  return GDK_PAINTABLE (self);
-}
-
-void
-gtk_path_paintable_set_path (GtkPathPaintable *self,
-                             GskPath          *path)
-{
-  g_clear_pointer (&self->path, gsk_path_unref);
-  self->path = gsk_path_ref (path);
-
-  gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
-}
-
-static GskPath *
-create_hexagon (GtkWidget *widget)
-{
-  GskPathBuilder *builder;
-
-  builder = gsk_path_builder_new ();
-
-  gsk_path_builder_move_to (builder, 120, 0);
-  gsk_path_builder_line_to (builder, 360, 0);
-  gsk_path_builder_line_to (builder, 480, 208);
-  gsk_path_builder_line_to (builder, 360, 416);
-  gsk_path_builder_line_to (builder, 120, 416);
-  gsk_path_builder_line_to (builder, 0, 208);
-  gsk_path_builder_close (builder);
-
-  return gsk_path_builder_free_to_path (builder);
-}
-
-static GskPath *
-create_path_from_text (GtkWidget *widget)
-{
-  cairo_surface_t *surface;
-  cairo_t *cr;
-  cairo_path_t *path;
-  PangoLayout *layout;
-  PangoFontDescription *desc;
-  GskPath *result;
-
-  surface = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, NULL);
-  cr = cairo_create (surface);
-
-  layout = gtk_widget_create_pango_layout (widget, "Pango power!\nPango power!\nPango power!");
-  desc = pango_font_description_from_string ("sans bold 36");
-  pango_layout_set_font_description (layout, desc);
-  pango_font_description_free (desc);
-
-  pango_cairo_layout_path (cr, layout);
-  path = cairo_copy_path_flat (cr);
-  result = gsk_path_new_from_cairo (path);
-
-  cairo_path_destroy (path);
-  g_object_unref (layout);
-  cairo_destroy (cr);
-  cairo_surface_destroy (surface);
-
-  return result;
-}
-
-static gboolean
-build_path (GskPathOperation        op,
-            const graphene_point_t *pts,
-            gsize                   n_pts,
-            float                   weight,
-            gpointer                user_data)
-{
-  GskPathBuilder *builder = user_data;
-
-  switch (op)
-  {
-    case GSK_PATH_MOVE:
-      gsk_path_builder_move_to (builder, pts[0].x, pts[0].y);
-      break;
-
-    case GSK_PATH_CLOSE:
-      gsk_path_builder_close (builder);
-      break;
-
-    case GSK_PATH_LINE:
-      gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
-      break;
-
-    case GSK_PATH_CURVE:
-      gsk_path_builder_curve_to (builder, pts[1].x, pts[1].y, pts[2].x, pts[2].y, pts[3].x, pts[3].y);
-      break;
-
-    case GSK_PATH_CONIC:
-      gsk_path_builder_conic_to (builder, pts[1].x, pts[1].y, pts[2].x, pts[2].y, weight);
-      break;
-
-    default:
-      g_assert_not_reached ();
-      break;
-  }
-
-  return TRUE;
-}
-
-
-static gboolean
-update_path (GtkWidget     *widget,
-             GdkFrameClock *frame_clock,
-             gpointer       measure)
-{
-  float progress = gdk_frame_clock_get_frame_time (frame_clock) % (60 * G_USEC_PER_SEC) / (float) (30 * G_USEC_PER_SEC);
-  GskPathBuilder *builder;
-  GskPath *path;
-  graphene_point_t pos;
-  graphene_vec2_t tangent;
-  GskStroke *stroke;
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_segment (builder,
-                                measure,
-#if 1
-                                0.0, gsk_path_measure_get_length (measure));
-#else
-                                progress > 1 ? (progress - 1) * gsk_path_measure_get_length (measure) : 0.0,
-                                (progress < 1 ? progress : 1.0) * gsk_path_measure_get_length (measure));
-#endif
-
-  path = gsk_path_builder_free_to_path (builder);
-
-  stroke = gsk_stroke_new (1);
-  gsk_stroke_set_dash (stroke, (float[2]) { 10, 5 }, 2);
-  gsk_stroke_set_dash_offset (stroke, - (gdk_frame_clock_get_frame_time (frame_clock) % G_USEC_PER_SEC) * 15. / G_USEC_PER_SEC);
-  builder = gsk_path_builder_new ();
-  gsk_path_dash (path, stroke, 0.2, build_path, builder);
-  gsk_path_unref (path);
-
-  gsk_path_measure_get_point (measure,
-                              (progress > 1 ? (progress - 1) : progress) * gsk_path_measure_get_length (measure),
-                              &pos,
-                              &tangent);
-  gsk_path_builder_move_to (builder, pos.x + 5 * graphene_vec2_get_x (&tangent), pos.y + 5 * graphene_vec2_get_y (&tangent));
-  gsk_path_builder_line_to (builder, pos.x + 3 * graphene_vec2_get_y (&tangent), pos.y + 3 * graphene_vec2_get_x (&tangent));
-  gsk_path_builder_line_to (builder, pos.x - 3 * graphene_vec2_get_y (&tangent), pos.y - 3 * graphene_vec2_get_x (&tangent));
-  gsk_path_builder_close (builder);
-
-  path = gsk_path_builder_free_to_path (builder);
-
-  gtk_path_paintable_set_path (GTK_PATH_PAINTABLE (gtk_picture_get_paintable (GTK_PICTURE (widget))),
-                               path);
-  gsk_path_unref (path);
-
-  return G_SOURCE_CONTINUE;
-}
-
-GtkWidget *
-do_path_fill (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *picture;
-      GdkPaintable *paintable;
-      GtkMediaStream *stream;
-      GskPath *path;
-      graphene_rect_t bounds;
-      GskPathMeasure *measure;
-
-      window = gtk_window_new ();
-      gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
-      gtk_window_set_title (GTK_WINDOW (window), "Path Fill");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-#if 0
-      stream = gtk_media_file_new_for_resource ("/images/gtk-logo.webm");
-#else
-      stream = gtk_nuclear_media_stream_new ();
-#endif
-      gtk_media_stream_play (stream);
-      gtk_media_stream_set_loop (stream, TRUE);
-
-      path = create_hexagon (window);
-      path = create_path_from_text (window);
-      gsk_path_get_bounds (path, &bounds);
-
-      paintable = gtk_path_paintable_new (path,
-                                          GDK_PAINTABLE (stream),
-                                          bounds.origin.x + bounds.size.width,
-                                          bounds.origin.y + bounds.size.height);
-      picture = gtk_picture_new_for_paintable (paintable);
-      measure = gsk_path_measure_new (path);
-      gtk_widget_add_tick_callback (picture, update_path, measure, (GDestroyNotify) gsk_path_measure_unref);
-      gtk_picture_set_keep_aspect_ratio (GTK_PICTURE (picture), FALSE);
-      gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE);
-      g_object_unref (paintable);
-
-      gtk_window_set_child (GTK_WINDOW (window), picture);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_maze.c

@@ -1,338 +0,0 @@
-/* Path/Maze
- *
- * This demo shows how to use a GskPath to create a maze and use
- * gsk_path_measure_get_closest_point() to check the mouse stays
- * on the path.
- *
- * It also shows off the performance of GskPath (or not) as this
- * is a rather complex path.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#include "paintable.h"
-
-#define MAZE_GRID_SIZE 20
-#define MAZE_STROKE_SIZE_ACTIVE (MAZE_GRID_SIZE - 4)
-#define MAZE_STROKE_SIZE_INACTIVE (MAZE_GRID_SIZE - 12)
-#define MAZE_WIDTH 31
-#define MAZE_HEIGHT 21
-
-#define GTK_TYPE_MAZE (gtk_maze_get_type ())
-G_DECLARE_FINAL_TYPE (GtkMaze, gtk_maze, GTK, MAZE, GtkWidget)
-
-struct _GtkMaze
-{
-  GtkWidget parent_instance;
-
-  int width;
-  int height;
-  GskPath *path;
-  GskPathMeasure *measure;
-  GdkPaintable *background;
-
-  gboolean active;
-};
-
-struct _GtkMazeClass
-{
-  GtkWidgetClass parent_class;
-};
-
-G_DEFINE_TYPE (GtkMaze, gtk_maze, GTK_TYPE_WIDGET)
-
-static void
-gtk_maze_measure (GtkWidget      *widget,
-                  GtkOrientation  orientation,
-                  int             for_size,
-                  int            *minimum,
-                  int            *natural,
-                  int            *minimum_baseline,
-                  int            *natural_baseline)
-{
-  GtkMaze *self = GTK_MAZE (widget);
-
-  if (orientation == GTK_ORIENTATION_HORIZONTAL)
-    *minimum = *natural = self->width;
-  else
-    *minimum = *natural = self->height;
-}
-
-static void
-gtk_maze_snapshot (GtkWidget   *widget,
-                   GdkSnapshot *snapshot)
-{
-  GtkMaze *self = GTK_MAZE (widget);
-  double width = gtk_widget_get_width (widget);
-  double height = gtk_widget_get_height (widget);
-  GskStroke *stroke;
-
-  stroke = gsk_stroke_new (MAZE_STROKE_SIZE_INACTIVE);
-  if (self->active)
-    gsk_stroke_set_line_width (stroke, MAZE_STROKE_SIZE_ACTIVE);
-  gsk_stroke_set_line_join (stroke, GSK_LINE_JOIN_ROUND);
-  gsk_stroke_set_line_cap (stroke, GSK_LINE_CAP_ROUND);
-  gtk_snapshot_push_stroke (snapshot, self->path, stroke);
-  gsk_stroke_free (stroke);
-
-  if (self->background)
-    {
-      gdk_paintable_snapshot (self->background, snapshot, width, height);
-    }
-  else
-    {
-      gtk_snapshot_append_linear_gradient (snapshot,
-                                           &GRAPHENE_RECT_INIT (0, 0, width, height),
-                                           &GRAPHENE_POINT_INIT (0, 0),
-                                           &GRAPHENE_POINT_INIT (width, height),
-                                           (GskColorStop[8]) {
-                                             { 0.0, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.2, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.3, { 1.0, 1.0, 0.0, 1.0 } },
-                                             { 0.4, { 0.0, 1.0, 0.0, 1.0 } },
-                                             { 0.6, { 0.0, 1.0, 1.0, 1.0 } },
-                                             { 0.7, { 0.0, 0.0, 1.0, 1.0 } },
-                                             { 0.8, { 1.0, 0.0, 1.0, 1.0 } },
-                                             { 1.0, { 1.0, 0.0, 1.0, 1.0 } }
-                                           },
-                                           8);
-    }
-
-  gtk_snapshot_pop (snapshot);
-
-}
-
-static void
-gtk_maze_dispose (GObject *object)
-{
-  GtkMaze *self = GTK_MAZE (object);
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-  g_clear_pointer (&self->measure, gsk_path_measure_unref);
-  if (self->background)
-    {
-      g_signal_handlers_disconnect_matched (self->background, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
-      g_clear_object (&self->background);
-    }
-
-  G_OBJECT_CLASS (gtk_maze_parent_class)->dispose (object);
-}
-
-static void
-gtk_maze_class_init (GtkMazeClass *klass)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_maze_dispose;
-
-  widget_class->measure = gtk_maze_measure;
-  widget_class->snapshot = gtk_maze_snapshot;
-}
-
-static void
-pointer_motion (GtkEventControllerMotion *controller,
-                double                    x,
-                double                    y,
-                GtkMaze                  *self)
-{
-  if (!self->active)
-    return;
-
-  if (gsk_path_measure_get_closest_point (self->measure, &GRAPHENE_POINT_INIT (x, y), NULL) <= MAZE_STROKE_SIZE_ACTIVE / 2.0f)
-    return;
-
-  self->active = FALSE;
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-pointer_leave (GtkEventControllerMotion *controller,
-               GtkMaze                  *self)
-{
-  if (!self->active)
-    {
-      self->active = TRUE;
-      gtk_widget_queue_draw (GTK_WIDGET (self));
-    }
-}
-
-static void
-gtk_maze_init (GtkMaze *self)
-{
-  GtkEventController *controller;
-
-  controller = GTK_EVENT_CONTROLLER (gtk_event_controller_motion_new ());
-  g_signal_connect (controller, "motion", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "leave", G_CALLBACK (pointer_leave), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  self->active = TRUE;
-}
-
-static void
-gtk_maze_set_path (GtkMaze *self,
-                   GskPath *path)
-{
-  g_clear_pointer (&self->path, gsk_path_unref);
-  g_clear_pointer (&self->measure, gsk_path_measure_unref);
-  self->path = gsk_path_ref (path);
-  self->measure = gsk_path_measure_new (path);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-GtkWidget *
-gtk_maze_new (GskPath      *path,
-              GdkPaintable *background,
-              int           width,
-              int           height)
-{
-  GtkMaze *self;
-
-  self = g_object_new (GTK_TYPE_MAZE, NULL);
-
-  gtk_maze_set_path (self, path);
-  gsk_path_unref (path);
-  self->background = background;
-  if (self->background)
-    {
-      g_signal_connect_swapped (self->background, "invalidate-contents", G_CALLBACK (gtk_widget_queue_draw), self);
-      g_signal_connect_swapped (self->background, "invalidate-size", G_CALLBACK (gtk_widget_queue_resize), self);
-    }
-  self->width = width;
-  self->height = height;
-
-  return GTK_WIDGET (self);
-}
-
-static void
-add_point_to_maze (GtkBitset      *maze,
-                   GskPathBuilder *builder,
-                   guint           x,
-                   guint           y)
-{
-  gboolean set[4] = { };
-  guint dir;
-
-  gtk_bitset_add (maze, y * MAZE_WIDTH + x);
-
-  while (TRUE)
-    {
-      set[0] = set[0] || x == 0 || gtk_bitset_contains (maze, y * MAZE_WIDTH + x - 1);
-      set[1] = set[1] || y == 0 || gtk_bitset_contains (maze, (y - 1) * MAZE_WIDTH + x);
-      set[2] = set[2] || x + 1 == MAZE_WIDTH || gtk_bitset_contains (maze, y * MAZE_WIDTH + x + 1);
-      set[3] = set[3] || y + 1 == MAZE_HEIGHT || gtk_bitset_contains (maze, (y + 1) * MAZE_WIDTH + x);
-
-      if (set[0] && set[1] && set[2] && set[3])
-        return;
-      
-      do
-        {
-          dir = g_random_int_range (0, 4);
-        }
-      while (set[dir]);
-
-      switch (dir)
-        {
-          case 0:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x - 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x - 1, y);
-            break;
-
-          case 1:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y - 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x, y - 1);
-            break;
-
-          case 2:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 1.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x + 1, y);
-            break;
-
-          case 3:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 1.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x, y + 1);
-            break;
-
-          default:
-            g_assert_not_reached ();
-            break;
-        }
-    }
-}
-
-static GskPath *
-create_path_for_maze (GtkWidget *widget)
-{
-  GskPathBuilder *builder;
-  GtkBitset *maze;
-
-  builder = gsk_path_builder_new ();
-  maze = gtk_bitset_new_empty ();
-  /* make sure the outer lines are unreachable:
-   * Set the full range, then remove the center again. */
-  gtk_bitset_add_range (maze, 0, MAZE_WIDTH * MAZE_HEIGHT);
-  gtk_bitset_remove_rectangle (maze, MAZE_WIDTH + 1, MAZE_WIDTH - 2, MAZE_HEIGHT - 2, MAZE_WIDTH);
-
-  /* Fill the maze */
-  add_point_to_maze (maze, builder, MAZE_WIDTH / 2, MAZE_HEIGHT / 2);
-
-  /* Add start and stop lines */
-  gsk_path_builder_move_to (builder, 1.5 * MAZE_GRID_SIZE, -0.5 * MAZE_GRID_SIZE);
-  gsk_path_builder_line_to (builder, 1.5 * MAZE_GRID_SIZE, 1.5 * MAZE_GRID_SIZE);
-  gsk_path_builder_move_to (builder, (MAZE_WIDTH - 1.5) * MAZE_GRID_SIZE, (MAZE_HEIGHT - 1.5) * MAZE_GRID_SIZE);
-  gsk_path_builder_line_to (builder, (MAZE_WIDTH - 1.5) * MAZE_GRID_SIZE, (MAZE_HEIGHT + 0.5) * MAZE_GRID_SIZE);
-
-
-  gtk_bitset_unref (maze);
-
-  return gsk_path_builder_free_to_path (builder);
-}
-
-GtkWidget *
-do_path_maze (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *maze;
-      GtkMediaStream *stream;
-      GskPath *path;
-
-      window = gtk_window_new ();
-      gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
-      gtk_window_set_title (GTK_WINDOW (window), "Follow the maze with the mouse");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-#if 0
-      stream = gtk_media_file_new_for_resource ("/images/gtk-logo.webm");
-#else
-      stream = gtk_nuclear_media_stream_new ();
-#endif
-      gtk_media_stream_play (stream);
-      gtk_media_stream_set_loop (stream, TRUE);
-
-      path = create_path_for_maze (window);
-
-      maze = gtk_maze_new (path,
-                           GDK_PAINTABLE (stream),
-                           MAZE_WIDTH * MAZE_GRID_SIZE,
-                           MAZE_HEIGHT * MAZE_GRID_SIZE);
-
-      gtk_window_set_child (GTK_WINDOW (window), maze);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_text.c

@@ -1,590 +0,0 @@
-/* Path/Text
- *
- * This demo shows how to use GskPath to animate a path along another path.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#define GTK_TYPE_PATH_WIDGET (gtk_path_widget_get_type ())
-G_DECLARE_FINAL_TYPE (GtkPathWidget, gtk_path_widget, GTK, PATH_WIDGET, GtkWidget)
-
-#define POINT_SIZE 8
-
-enum {
-  PROP_0,
-  PROP_TEXT,
-  PROP_EDITABLE,
-  N_PROPS
-};
-
-struct _GtkPathWidget
-{
-  GtkWidget parent_instance;
-
-  char *text;
-  gboolean editable;
-
-  graphene_point_t points[4];
-
-  guint active_point;
-  float line_closest;
-
-  GskPath *line_path;
-  GskPathMeasure *line_measure;
-  GskPath *text_path;
-
-  GdkPaintable *background;
-};
-
-struct _GtkPathWidgetClass
-{
-  GtkWidgetClass parent_class;
-};
-
-static GParamSpec *properties[N_PROPS] = { NULL, };
-
-G_DEFINE_TYPE (GtkPathWidget, gtk_path_widget, GTK_TYPE_WIDGET)
-
-static GskPath *
-create_path_from_text (GtkWidget  *widget,
-                       const char *text)
-{
-  cairo_surface_t *surface;
-  cairo_t *cr;
-  cairo_path_t *path;
-  PangoLayout *layout;
-  PangoFontDescription *desc;
-  GskPath *result;
-
-  surface = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, NULL);
-  cr = cairo_create (surface);
-
-  layout = gtk_widget_create_pango_layout (widget, text);
-  desc = pango_font_description_from_string ("sans bold 36");
-  pango_layout_set_font_description (layout, desc);
-  pango_font_description_free (desc);
-
-  cairo_move_to (cr, 0, - pango_layout_get_baseline (layout) / (double) PANGO_SCALE);
-  pango_cairo_layout_path (cr, layout);
-  path = cairo_copy_path_flat (cr);
-  result = gsk_path_new_from_cairo (path);
-
-  cairo_path_destroy (path);
-  g_object_unref (layout);
-  cairo_destroy (cr);
-  cairo_surface_destroy (surface);
-
-  return result;
-}
-
-typedef struct
-{
-  GskPathMeasure *measure;
-  GskPathBuilder *builder;
-  double scale;
-} GtkPathTransform;
-
-static void
-gtk_path_transform_point (GskPathMeasure         *measure,
-                          const graphene_point_t *pt,
-                          float                   scale,
-                          graphene_point_t       *res)
-{
-  graphene_vec2_t tangent;
-
-  gsk_path_measure_get_point (measure, pt->x * scale, res, &tangent);
-
-  res->x -= pt->y * scale * graphene_vec2_get_y (&tangent);
-  res->y += pt->y * scale * graphene_vec2_get_x (&tangent);
-}
-
-static gboolean
-gtk_path_transform_op (GskPathOperation        op,
-                       const graphene_point_t *pts,
-                       gsize                   n_pts,
-                       float                   weight,
-                       gpointer                data)
-{
-  GtkPathTransform *transform = data;
-
-  switch (op)
-  {
-    case GSK_PATH_MOVE:
-      {
-        graphene_point_t res;
-        gtk_path_transform_point (transform->measure, &pts[0], transform->scale, &res);
-        gsk_path_builder_move_to (transform->builder, res.x, res.y);
-      }
-      break;
-
-    case GSK_PATH_LINE:
-      {
-        graphene_point_t res;
-        gtk_path_transform_point (transform->measure, &pts[1], transform->scale, &res);
-        gsk_path_builder_line_to (transform->builder, res.x, res.y);
-      }
-      break;
-
-    case GSK_PATH_CURVE:
-      {
-        graphene_point_t res[3];
-        gtk_path_transform_point (transform->measure, &pts[1], transform->scale, &res[0]);
-        gtk_path_transform_point (transform->measure, &pts[2], transform->scale, &res[1]);
-        gtk_path_transform_point (transform->measure, &pts[3], transform->scale, &res[2]);
-        gsk_path_builder_curve_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, res[2].x, res[2].y);
-      }
-      break;
-
-    case GSK_PATH_CONIC:
-      {
-        graphene_point_t res[2];
-        gtk_path_transform_point (transform->measure, &pts[1], transform->scale, &res[0]);
-        gtk_path_transform_point (transform->measure, &pts[2], transform->scale, &res[1]);
-        gsk_path_builder_conic_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, weight);
-      }
-      break;
-
-    case GSK_PATH_CLOSE:
-      gsk_path_builder_close (transform->builder);
-      break;
-
-    default:
-      g_assert_not_reached();
-      return FALSE;
-  }
-
-  return TRUE;
-}
-
-static GskPath *
-gtk_path_transform (GskPathMeasure *measure,
-                    GskPath        *path)
-{
-  GtkPathTransform transform = { measure, gsk_path_builder_new () };
-  graphene_rect_t bounds;
-
-  gsk_path_get_bounds (path, &bounds);
-  if (bounds.origin.x + bounds.size.width > 0)
-    transform.scale = gsk_path_measure_get_length (measure) / (bounds.origin.x + bounds.size.width);
-  else
-    transform.scale = 1.0f;
-
-  gsk_path_foreach (path, GSK_PATH_FOREACH_ALLOW_CURVE, gtk_path_transform_op, &transform);
-
-  return gsk_path_builder_free_to_path (transform.builder);
-}
-
-static void
-gtk_path_widget_clear_text_path (GtkPathWidget *self)
-{
-  g_clear_pointer (&self->text_path, gsk_path_unref);
-}
-
-static void
-gtk_path_widget_clear_paths (GtkPathWidget *self)
-{
-  gtk_path_widget_clear_text_path (self);
-
-  g_clear_pointer (&self->line_path, gsk_path_unref);
-  g_clear_pointer (&self->line_measure, gsk_path_measure_unref);
-}
-
-static void
-gtk_path_widget_create_text_path (GtkPathWidget *self)
-{
-  GskPath *path;
-
-  gtk_path_widget_clear_text_path (self);
-
-  if (self->line_measure == NULL)
-    return;
-
-  path = create_path_from_text (GTK_WIDGET (self), self->text);
-  self->text_path = gtk_path_transform (self->line_measure, path);
-
-  gsk_path_unref (path);
-}
-
-static void
-gtk_path_widget_create_paths (GtkPathWidget *self)
-{
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  GskPathBuilder *builder;
-
-  gtk_path_widget_clear_paths (self);
-
-  if (width <= 0 || height <= 0)
-    return;
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_move_to (builder,
-                            self->points[0].x * width, self->points[0].y * height);
-  gsk_path_builder_curve_to (builder,
-                             self->points[1].x * width, self->points[1].y * height,
-                             self->points[2].x * width, self->points[2].y * height,
-                             self->points[3].x * width, self->points[3].y * height);
-  self->line_path = gsk_path_builder_free_to_path (builder);
-
-  self->line_measure = gsk_path_measure_new (self->line_path);
-
-  gtk_path_widget_create_text_path (self);
-}
-
-static void
-gtk_path_widget_allocate (GtkWidget *widget,
-                          int        width,
-                          int        height,
-                          int        baseline)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (widget);
-
-  GTK_WIDGET_CLASS (gtk_path_widget_parent_class)->size_allocate (widget, width, height, baseline);
-
-  gtk_path_widget_create_paths (self);
-}
-
-static void
-gtk_path_widget_snapshot (GtkWidget   *widget,
-                          GtkSnapshot *snapshot)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (widget);
-  double width = gtk_widget_get_width (widget);
-  double height = gtk_widget_get_height (widget);
-  GskPath *path;
-  GskStroke *stroke;
-  gsize i;
-
-  /* frosted glass the background */
-  gtk_snapshot_push_blur (snapshot, 100);
-  gdk_paintable_snapshot (self->background, snapshot, width, height);
-  gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 0.6 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-  gtk_snapshot_pop (snapshot);
-
-  /* draw the text */
-  if (self->text_path)
-    {
-      gtk_snapshot_push_fill (snapshot, self->text_path, GSK_FILL_RULE_WINDING);
-      gdk_paintable_snapshot (self->background, snapshot, width, height);
-
-      /* ... with an emboss effect */
-      stroke = gsk_stroke_new (2.0);
-      gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT(1, 1));
-      gtk_snapshot_push_stroke (snapshot, self->text_path, stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 0.2 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gsk_stroke_free (stroke);
-      gtk_snapshot_pop (snapshot);
-
-      gtk_snapshot_pop (snapshot);
-    }
-
-  if (self->editable && self->line_path)
-    {
-      GskPathBuilder *builder;
-
-      /* draw the control line */
-      stroke = gsk_stroke_new (1.0);
-      gtk_snapshot_push_stroke (snapshot, self->line_path, stroke);
-      gsk_stroke_free (stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      /* draw the points */
-      builder = gsk_path_builder_new ();
-      for (i = 0; i < 4; i++)
-        {
-          gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), POINT_SIZE);
-        }
-      path = gsk_path_builder_free_to_path (builder);
-
-      gtk_snapshot_push_fill (snapshot, path, GSK_FILL_RULE_WINDING);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      stroke = gsk_stroke_new (1.0);
-      gtk_snapshot_push_stroke (snapshot, path, stroke);
-      gsk_stroke_free (stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      gsk_path_unref (path);
-    }
-
-  if (self->line_closest >= 0)
-    {
-      GskPathBuilder *builder;
-      graphene_point_t closest;
-
-      builder = gsk_path_builder_new ();
-      gsk_path_measure_get_point (self->line_measure, self->line_closest, &closest, NULL);
-      gsk_path_builder_add_circle (builder, &closest, POINT_SIZE);
-      path = gsk_path_builder_free_to_path (builder);
-
-      gtk_snapshot_push_fill (snapshot, path, GSK_FILL_RULE_WINDING);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 1, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      gsk_path_unref (path);
-    }
-}
-
-static void
-gtk_path_widget_set_text (GtkPathWidget *self,
-                          const char    *text)
-{
-  if (g_strcmp0 (self->text, text) == 0)
-    return;
-
-  g_free (self->text);
-  self->text = g_strdup (text);
-
-  gtk_path_widget_create_paths (self);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TEXT]);
-}
-
-static void
-gtk_path_widget_set_editable (GtkPathWidget *self,
-                              gboolean       editable)
-{
-  if (self->editable == editable)
-    return;
-
-  self->editable = editable;
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EDITABLE]);
-}
-
-static void
-gtk_path_widget_set_property (GObject      *object,
-                              guint         prop_id,
-                              const GValue *value,
-                              GParamSpec   *pspec)
-
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  switch (prop_id)
-    {
-    case PROP_TEXT:
-      gtk_path_widget_set_text (self, g_value_get_string (value));
-      break;
-
-    case PROP_EDITABLE:
-      gtk_path_widget_set_editable (self, g_value_get_boolean (value));
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_widget_get_property (GObject    *object,
-                              guint       prop_id,
-                              GValue     *value,
-                              GParamSpec *pspec)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  switch (prop_id)
-    {
-    case PROP_TEXT:
-      g_value_set_string (value, self->text);
-      break;
-
-    case PROP_EDITABLE:
-      g_value_set_boolean (value, self->editable);
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_widget_dispose (GObject *object)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  gtk_path_widget_clear_paths (self);
-
-  G_OBJECT_CLASS (gtk_path_widget_parent_class)->dispose (object);
-}
-
-static void
-gtk_path_widget_class_init (GtkPathWidgetClass *klass)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_path_widget_dispose;
-  object_class->set_property = gtk_path_widget_set_property;
-  object_class->get_property = gtk_path_widget_get_property;
-
-  widget_class->size_allocate = gtk_path_widget_allocate;
-  widget_class->snapshot = gtk_path_widget_snapshot;
-
-  properties[PROP_TEXT] =
-    g_param_spec_string ("text",
-                         "text",
-                         "Text transformed along a path",
-                         NULL,
-                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  properties[PROP_EDITABLE] =
-    g_param_spec_boolean ("editable",
-                          "editable",
-                          "If the path can be edited by the user",
-                          FALSE,
-                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  g_object_class_install_properties (object_class, N_PROPS, properties);
-}
-
-static void
-drag_begin (GtkGestureDrag *gesture,
-            double          x,
-            double          y,
-            GtkPathWidget  *self)
-{
-  graphene_point_t mouse = GRAPHENE_POINT_INIT (x, y);
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  gsize i;
-
-  for (i = 0; i < 4; i++)
-    {
-      if (graphene_point_distance (&GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), &mouse, NULL, NULL) <= POINT_SIZE)
-        {
-          self->active_point = i;
-          break;
-        }
-    }
-  if (i == 4)
-    {
-      gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
-      return;
-    }
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-drag_update (GtkGestureDrag *drag,
-             double          offset_x,
-             double          offset_y,
-             GtkPathWidget  *self)
-{
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  double start_x, start_y;
-
-  gtk_gesture_drag_get_start_point (drag, &start_x, &start_y);
-
-  self->points[self->active_point] = GRAPHENE_POINT_INIT ((start_x + offset_x) / width,
-                                                          (start_y + offset_y) / height);
-  self->points[self->active_point].x = CLAMP (self->points[self->active_point].x, 0, 1);
-  self->points[self->active_point].y = CLAMP (self->points[self->active_point].y, 0, 1);
-
-  gtk_path_widget_create_paths (self);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-pointer_motion (GtkEventControllerMotion *controller,
-                double                    x,
-                double                    y,
-                GtkPathWidget            *self)
-{
-  gsk_path_measure_get_closest_point_full (self->line_measure,
-                                           &GRAPHENE_POINT_INIT (x, y),
-                                           INFINITY,
-                                           &self->line_closest,
-                                           NULL, NULL, NULL);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-pointer_leave (GtkEventControllerMotion *controller,
-               GtkPathWidget            *self)
-{
-  self->line_closest = -1;
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-gtk_path_widget_init (GtkPathWidget *self)
-{
-  GtkEventController *controller;
-
-  controller = GTK_EVENT_CONTROLLER (gtk_gesture_drag_new ());
-  g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);
-  g_signal_connect (controller, "drag-update", G_CALLBACK (drag_update), self);
-  g_signal_connect (controller, "drag-end", G_CALLBACK (drag_update), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  controller = GTK_EVENT_CONTROLLER (gtk_event_controller_motion_new ());
-  g_signal_connect (controller, "enter", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "motion", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "leave", G_CALLBACK (pointer_leave), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  self->line_closest = -1;
-
-  self->points[0] = GRAPHENE_POINT_INIT (0.1, 0.9);
-  self->points[1] = GRAPHENE_POINT_INIT (0.3, 0.1);
-  self->points[2] = GRAPHENE_POINT_INIT (0.7, 0.1);
-  self->points[3] = GRAPHENE_POINT_INIT (0.9, 0.9);
-
-  self->background = GDK_PAINTABLE (gdk_texture_new_from_resource ("/sliding_puzzle/portland-rose.jpg"));
-
-  gtk_path_widget_set_text (self, "It's almost working");
-}
-
-GtkWidget *
-gtk_path_widget_new (void)
-{
-  GtkPathWidget *self;
-
-  self = g_object_new (GTK_TYPE_PATH_WIDGET, NULL);
-
-  return GTK_WIDGET (self);
-}
-
-GtkWidget *
-do_path_text (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkBuilder *builder;
-
-      g_type_ensure (GTK_TYPE_PATH_WIDGET);
-
-      builder = gtk_builder_new_from_resource ("/path_text/path_text.ui");
-      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);
-      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/path_text.ui

@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window">
-    <property name="title" translatable="yes">Text along a Path</property>
-    <child type="titlebar">
-      <object class="GtkHeaderBar">
-        <child type="end">
-          <object class="GtkToggleButton" id="edit-toggle">
-            <property name="icon-name">document-edit-symbolic</property>
-          </object>
-        </child>
-      </object>
-    </child>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkRevealer">
-            <property name="reveal-child" bind-source="edit-toggle" bind-property="active" bind-flags="sync-create"></property>
-            <child>
-              <object class="GtkEntry" id="text">
-                <property name="text">Through the looking glass</property>
-              </object>
-            </child>
-          </object>
-        </child>
-        <child>
-          <object class="GtkPathWidget" id="view">
-            <property name="editable" bind-source="edit-toggle" bind-property="active" bind-flags="sync-create"></property>
-            <property name="text" bind-source="text" bind-property="text" bind-flags="sync-create"></property>
-            <property name="hexpand">true</property>
-            <property name="vexpand">true</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>

demos/gtk-demo/pickers.c

@@ -63,6 +63,9 @@ do_pickers (GtkWidget *do_widget)
 
   if (!window)
   {
+    char *dir;
+    GFile *file;
+
     window = gtk_window_new ();
     gtk_window_set_display (GTK_WINDOW (window),
                             gtk_widget_get_display (do_widget));
@@ -126,6 +129,41 @@ do_pickers (GtkWidget *do_widget)
     gtk_widget_set_hexpand (label, TRUE);
     gtk_grid_attach (GTK_GRID (table), label, 0, 2, 1, 1);
 
+    picker = gtk_file_chooser_button_new ("Pick a File",
+                                          GTK_FILE_CHOOSER_ACTION_OPEN);
+    gtk_grid_attach (GTK_GRID (table), picker, 1, 2, 1, 1);
+
+    picker = gtk_file_chooser_button_new ("Pick a File",
+                                          GTK_FILE_CHOOSER_ACTION_OPEN);
+
+    dir = g_get_current_dir ();
+    file = g_file_new_for_path (dir);
+    gtk_file_chooser_add_shortcut_folder (GTK_FILE_CHOOSER (picker), file, NULL);
+    g_object_unref (file);
+    g_free (dir);
+
+    gtk_file_chooser_add_choice (GTK_FILE_CHOOSER (picker),
+                                 "choice",
+                                 "Encoding",
+                                 (const char *[]) { "option1", "option2", NULL },
+                                 (const char *[]) { "UTF-8", "Other Encoding", NULL });
+    gtk_file_chooser_set_choice (GTK_FILE_CHOOSER (picker), "choice", "option1");
+    gtk_file_chooser_add_choice (GTK_FILE_CHOOSER (picker),
+                                 "check",
+                                 "Read backwards",
+                                 NULL, NULL);
+    gtk_file_chooser_set_choice (GTK_FILE_CHOOSER (picker), "check", "false");
+
+    gtk_grid_attach (GTK_GRID (table), picker, 2, 2, 1, 1);
+
+    label = gtk_label_new ("Folder:");
+    gtk_widget_set_halign (label, GTK_ALIGN_START);
+    gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
+    picker = gtk_file_chooser_button_new ("Pick a Folder",
+                                          GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
+    gtk_grid_attach (GTK_GRID (table), label, 0, 3, 1, 1);
+    gtk_grid_attach (GTK_GRID (table), picker, 1, 3, 1, 1);
+
     label = gtk_label_new ("Mail:");
     gtk_widget_set_halign (label, GTK_ALIGN_START);
     gtk_widget_set_valign (label, GTK_ALIGN_CENTER);

demos/gtk-demo/pixbufpaintable.c

@@ -1,187 +0,0 @@
-#include <gtk/gtk.h>
-#include "pixbufpaintable.h"
-
-struct _PixbufPaintable {
-  GObject parent_instance;
-
-  char *resource_path;
-  GdkPixbufAnimation *anim;
-  GdkPixbufAnimationIter *iter;
-
-  guint timeout;
-};
-
-enum {
-  PROP_RESOURCE_PATH = 1,
-  NUM_PROPERTIES
-};
-
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
-static void
-pixbuf_paintable_snapshot (GdkPaintable *paintable,
-                           GdkSnapshot  *snapshot,
-                           double        width,
-                           double        height)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
-  GTimeVal val;
-  GdkPixbuf *pixbuf;
-  GdkTexture *texture;
-
-  g_get_current_time (&val);
-  gdk_pixbuf_animation_iter_advance (self->iter, &val);
-  pixbuf = gdk_pixbuf_animation_iter_get_pixbuf (self->iter);
-  texture = gdk_texture_new_for_pixbuf (pixbuf);
-
-  gdk_paintable_snapshot (GDK_PAINTABLE (texture), snapshot, width, height);
-
-  g_object_unref (texture);
-}
-G_GNUC_END_IGNORE_DEPRECATIONS;
-
-static int
-pixbuf_paintable_get_intrinsic_width (GdkPaintable *paintable)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
-
-  return gdk_pixbuf_animation_get_width (self->anim);
-}
-
-static int
-pixbuf_paintable_get_intrinsic_height (GdkPaintable *paintable)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
-
-  return gdk_pixbuf_animation_get_height (self->anim);
-}
-
-static void
-pixbuf_paintable_init_interface (GdkPaintableInterface *iface)
-{
-  iface->snapshot = pixbuf_paintable_snapshot;
-  iface->get_intrinsic_width = pixbuf_paintable_get_intrinsic_width;
-  iface->get_intrinsic_height = pixbuf_paintable_get_intrinsic_height;
-}
-
-G_DEFINE_TYPE_WITH_CODE(PixbufPaintable, pixbuf_paintable, G_TYPE_OBJECT,
-                        G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
-                                               pixbuf_paintable_init_interface))
-
-static void
-pixbuf_paintable_init (PixbufPaintable *paintable)
-{
-}
-
-static gboolean
-delay_cb (gpointer data)
-{
-  PixbufPaintable *self = data;
-  int delay;
-
-  delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
-  self->timeout = g_timeout_add (delay, delay_cb, self);
-
-  gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
-
-  return G_SOURCE_REMOVE;
-}
-
-static void
-pixbuf_paintable_set_resource_path (PixbufPaintable *self,
-                                    const char      *resource_path)
-{
-  int delay;
-
-  g_free (self->resource_path);
-  self->resource_path = g_strdup (resource_path);
-
-  g_clear_object (&self->anim);
-  self->anim = gdk_pixbuf_animation_new_from_resource (resource_path, NULL);
-  g_clear_object (&self->iter);
-  self->iter = gdk_pixbuf_animation_get_iter (self->anim, NULL);
-
-  delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
-  self->timeout = g_timeout_add (delay, delay_cb, self);
-
-  gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
-
-  g_object_notify (G_OBJECT (self), "resource-path");
-}
-
-static void
-pixbuf_paintable_set_property (GObject      *object,
-                               guint         prop_id,
-                               const GValue *value,
-                               GParamSpec   *pspec)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (object);
-
-  switch (prop_id)
-    {
-    case PROP_RESOURCE_PATH:
-      pixbuf_paintable_set_resource_path (self, g_value_get_string (value));
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-    }
-}
-
-static void
-pixbuf_paintable_get_property (GObject    *object,
-                               guint       prop_id,
-                               GValue     *value,
-                               GParamSpec *pspec)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (object);
-
-  switch (prop_id)
-    {
-    case PROP_RESOURCE_PATH:
-      g_value_set_string (value, self->resource_path);
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-    }
-}
-
-static void
-pixbuf_paintable_dispose (GObject *object)
-{
-  PixbufPaintable *self = PIXBUF_PAINTABLE (object);
-
-  g_clear_pointer (&self->resource_path, g_free);
-  g_clear_object (&self->anim);
-  g_clear_object (&self->iter);
-  if (self->timeout)
-    {
-      g_source_remove (self->timeout);
-      self->timeout = 0;
-    }
-
-  G_OBJECT_CLASS (pixbuf_paintable_parent_class)->dispose (object);
-}
-
-static void
-pixbuf_paintable_class_init (PixbufPaintableClass *class)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (class);
-
-  object_class->dispose = pixbuf_paintable_dispose;
-  object_class->get_property = pixbuf_paintable_get_property;
-  object_class->set_property = pixbuf_paintable_set_property;
-
-  g_object_class_install_property (object_class, PROP_RESOURCE_PATH,
-      g_param_spec_string ("resource-path", "Resource path", "Resource path",
-                           NULL, G_PARAM_READWRITE));
-
-}
-
-GdkPaintable *
-pixbuf_paintable_new_from_resource (const char *path)
-{
-  return g_object_new (PIXBUF_TYPE_PAINTABLE,
-                       "resource-path", path,
-                       NULL);
-}

demos/gtk-demo/pixbufpaintable.h

@@ -1,13 +0,0 @@
-#pragma once
-
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-#define PIXBUF_TYPE_PAINTABLE (pixbuf_paintable_get_type ())
-
-G_DECLARE_FINAL_TYPE(PixbufPaintable, pixbuf_paintable, PIXBUF, PAINTABLE, GObject)
-
-GdkPaintable * pixbuf_paintable_new_from_resource (const char *path);
-
-G_END_DECLS

demos/gtk-demo/ripple.glsl

@@ -1,43 +0,0 @@
-uniform float u_time;
-uniform vec2 u_mouse;
-uniform sampler2D u_texture1;
-
-#define PI      3.141592654
-
-float decay(float v, float t)
-{
-  return v * (1.0 / (1.0 + t*t));
-}
-
-void mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv)
-{
-  // Temporary to loop time every 1 sec
-  float time = u_time;
-  // we normalize all the effects according to the min height/width
-  float size = min(resolution.x, resolution.y);
-
-  // Animate one wave over size in 0.3 sec
-  float wave_speed = size / 0.3;
-  float wave_length = size / 1.0;
-  float wave_height = size  * 0.1;
-
-  vec2 center = u_mouse;
-  vec2 direction_from_center = fragCoord - center;
-  float distance_from_center = length(direction_from_center);
-
-  /* Normalize direction */
-  direction_from_center = direction_from_center / distance_from_center;
-
-  float propagation_length = time * wave_speed;
-
-  float t = (propagation_length - distance_from_center) / wave_length;
-  float offset_magnitude = 0;
-  if (t > 0.0)
-    offset_magnitude = decay(wave_height * sin(t * 2.0 * PI), t);
-
-  vec2 offset = direction_from_center * min(offset_magnitude, distance_from_center);
-  vec2 source = fragCoord - offset;
-
-  vec2 uv2 = source / resolution;
-  fragColor = GskTexture(u_texture1, vec2(uv2.x, 1.0-uv2.y));
-}

demos/gtk-demo/script-names.c

@@ -91,7 +91,7 @@ static struct {
   { G_UNICODE_SCRIPT_LYDIAN, HB_SCRIPT_LYDIAN,  NC_("Script", "Lydian") },
   { G_UNICODE_SCRIPT_AVESTAN, HB_SCRIPT_AVESTAN,  NC_("Script", "Avestan") },
   { G_UNICODE_SCRIPT_BAMUM, HB_SCRIPT_BAMUM,  NC_("Script", "Bamum") },
-  { G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS, HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,  NC_("Script", "Egyptian Hieroglyphs") },
+  { G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS, HB_SCRIPT_EGYPTIAN_HIEROGLYPHS,  NC_("Script", "Egyptian Hieroglpyhs") },
   { G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC, HB_SCRIPT_IMPERIAL_ARAMAIC,  NC_("Script", "Imperial Aramaic") },
   { G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI, HB_SCRIPT_INSCRIPTIONAL_PAHLAVI,  NC_("Script", "Inscriptional Pahlavi") },
   { G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN, HB_SCRIPT_INSCRIPTIONAL_PARTHIAN,  NC_("Script", "Inscriptional Parthian") },
@@ -119,7 +119,7 @@ static struct {
   { G_UNICODE_SCRIPT_DUPLOYAN, HB_SCRIPT_DUPLOYAN,  NC_("Script", "Duployan") },
   { G_UNICODE_SCRIPT_ELBASAN, HB_SCRIPT_ELBASAN,  NC_("Script", "Elbasan") },
   { G_UNICODE_SCRIPT_GRANTHA, HB_SCRIPT_GRANTHA,  NC_("Script", "Grantha") },
-  { G_UNICODE_SCRIPT_KHOJKI, HB_SCRIPT_KHOJKI,  NC_("Script", "Khojki") },
+  { G_UNICODE_SCRIPT_KHOJKI, HB_SCRIPT_KHOJKI,  NC_("Script", "Kjohki") },
   { G_UNICODE_SCRIPT_KHUDAWADI, HB_SCRIPT_KHUDAWADI,  NC_("Script", "Khudawadi, Sindhi") },
   { G_UNICODE_SCRIPT_LINEAR_A, HB_SCRIPT_LINEAR_A,  NC_("Script", "Linear A") },
   { G_UNICODE_SCRIPT_MAHAJANI, HB_SCRIPT_MAHAJANI,  NC_("Script", "Mahajani") },
@@ -149,40 +149,10 @@ static struct {
   { G_UNICODE_SCRIPT_NEWA, HB_SCRIPT_NEWA,  NC_("Script", "Newa") },
   { G_UNICODE_SCRIPT_OSAGE, HB_SCRIPT_OSAGE,  NC_("Script", "Osage") },
   { G_UNICODE_SCRIPT_TANGUT, HB_SCRIPT_TANGUT,  NC_("Script", "Tangut") },
-  { G_UNICODE_SCRIPT_MASARAM_GONDI, HB_SCRIPT_MASARAM_GONDI,  NC_("Script", "Masaram Gondi") },
-  { G_UNICODE_SCRIPT_NUSHU, HB_SCRIPT_NUSHU,  NC_("Script", "Nushu") },
-  { G_UNICODE_SCRIPT_SOYOMBO, HB_SCRIPT_SOYOMBO,  NC_("Script", "Soyombo") },
-  { G_UNICODE_SCRIPT_ZANABAZAR_SQUARE, HB_SCRIPT_ZANABAZAR_SQUARE,  NC_("Script", "Zanabazar Square") },
-  { G_UNICODE_SCRIPT_DOGRA, HB_SCRIPT_DOGRA, NC_("Script", "Dogra") },
-  { G_UNICODE_SCRIPT_GUNJALA_GONDI, HB_SCRIPT_GUNJALA_GONDI, NC_("Script", "Gunjala Gondi") },
-  { G_UNICODE_SCRIPT_HANIFI_ROHINGYA, HB_SCRIPT_HANIFI_ROHINGYA, NC_("Script", "Hanifi Rohingya") },
-  { G_UNICODE_SCRIPT_MAKASAR, HB_SCRIPT_MAKASAR, NC_("Script", "Makasar") },
-  { G_UNICODE_SCRIPT_MEDEFAIDRIN, HB_SCRIPT_MEDEFAIDRIN, NC_("Script", "Medefaidrin") },
-  { G_UNICODE_SCRIPT_OLD_SOGDIAN, HB_SCRIPT_OLD_SOGDIAN, NC_("Script", "Old Sogdian") },
-  { G_UNICODE_SCRIPT_SOGDIAN, HB_SCRIPT_SOGDIAN, NC_("Script", "Sogdian") },
-
-#if HB_VERSION_ATLEAST(2,4,0)
-  { G_UNICODE_SCRIPT_ELYMAIC, HB_SCRIPT_ELYMAIC, NC_("Script", "Elym") },
-  { G_UNICODE_SCRIPT_NANDINAGARI, HB_SCRIPT_NANDINAGARI, NC_("Script", "Nand") },
-  { G_UNICODE_SCRIPT_NYIAKENG_PUACHUE_HMONG, HB_SCRIPT_NYIAKENG_PUACHUE_HMONG, NC_("Script", "Rohg") },
-  { G_UNICODE_SCRIPT_WANCHO, HB_SCRIPT_WANCHO, NC_("Script", "Wcho") },
-#else
-  { G_UNICODE_SCRIPT_ELYMAIC, HB_SCRIPT_INVALID, NC_("Script", "Elym") },
-  { G_UNICODE_SCRIPT_NANDINAGARI, HB_SCRIPT_INVALID, NC_("Script", "Nand") },
-  { G_UNICODE_SCRIPT_NYIAKENG_PUACHUE_HMONG, HB_SCRIPT_INVALID, NC_("Script", "Rohg") },
-  { G_UNICODE_SCRIPT_WANCHO, HB_SCRIPT_INVALID, NC_("Script", "Wcho") },
-#endif
-#if HB_VERSION_ATLEAST(2,6,7)
-  { G_UNICODE_SCRIPT_CHORASMIAN, HB_SCRIPT_CHORASMIAN, NC_("Script", "Chorasmian") },
-  { G_UNICODE_SCRIPT_DIVES_AKURU, HB_SCRIPT_DIVES_AKURU, NC_("Script", "Dives Akuru") },
-  { G_UNICODE_SCRIPT_KHITAN_SMALL_SCRIPT, HB_SCRIPT_KHITAN_SMALL_SCRIPT, NC_("Script", "Khitan small script") },
-  { G_UNICODE_SCRIPT_YEZIDI, HB_SCRIPT_YEZIDI, NC_("Script", "Yezidi") },
-#else
-  { G_UNICODE_SCRIPT_CHORASMIAN, HB_SCRIPT_INVALID, NC_("Script", "Chorasmian") },
-  { G_UNICODE_SCRIPT_DIVES_AKURU, HB_SCRIPT_INVALID, NC_("Script", "Dives Akuru") },
-  { G_UNICODE_SCRIPT_KHITAN_SMALL_SCRIPT, HB_SCRIPT_INVALID, NC_("Script", "Khitan small script") },
-  { G_UNICODE_SCRIPT_YEZIDI, HB_SCRIPT_INVALID, NC_("Script", "Yezidi") },
-#endif
+  { G_UNICODE_SCRIPT_MASARAM_GONDI, HB_SCRIPT_INVALID,  NC_("Script", "Masaram Gondi") },
+  { G_UNICODE_SCRIPT_NUSHU, HB_SCRIPT_INVALID,  NC_("Script", "Nushu") },
+  { G_UNICODE_SCRIPT_SOYOMBO, HB_SCRIPT_INVALID,  NC_("Script", "Soyombo") },
+  { G_UNICODE_SCRIPT_ZANABAZAR_SQUARE, HB_SCRIPT_INVALID,  NC_("Script", "Zanabazar Square") },
 };
 
 const char *
@@ -193,12 +163,7 @@ get_script_name (GUnicodeScript script)
   for (i = 0; i < G_N_ELEMENTS (scripts); i++)
     {
       if (scripts[i].script == script)
-        {
-          if (scripts[i].name)
-            return g_dpgettext2 (GETTEXT_PACKAGE, "Script", scripts[i].name);
-          else
-            return "";
-        }
+        return g_dpgettext2 (GETTEXT_PACKAGE, "Script", scripts[i].name);
     }
 
   return NULL;

demos/gtk-demo/search_entry.c

@@ -110,17 +110,17 @@ set_search_by (GSimpleAction *action,
   if (g_str_equal (term, "name"))
     {
       gtk_entry_set_icon_tooltip_text (entry, GTK_ENTRY_ICON_PRIMARY, "Search by name");
-      gtk_entry_set_placeholder_text (entry, "Name…");
+      gtk_entry_set_placeholder_text (entry, "name");
     }
   else if (g_str_equal (term, "description"))
     {
       gtk_entry_set_icon_tooltip_text (entry, GTK_ENTRY_ICON_PRIMARY, "Search by description");
-      gtk_entry_set_placeholder_text (entry, "Description…");
+      gtk_entry_set_placeholder_text (entry, "description");
     }
   else if (g_str_equal (term, "filename"))
     {
       gtk_entry_set_icon_tooltip_text (entry, GTK_ENTRY_ICON_PRIMARY, "Search by file name");
-      gtk_entry_set_placeholder_text (entry, "File name…");
+      gtk_entry_set_placeholder_text (entry, "file name");
     }
 }
 
@@ -254,6 +254,7 @@ do_search_entry (GtkWidget *do_widget)
 {
   GtkWidget *vbox;
   GtkWidget *hbox;
+  GtkWidget *label;
   GtkWidget *entry;
   GtkWidget *find_button;
   GtkWidget *cancel_button;
@@ -267,14 +268,18 @@ do_search_entry (GtkWidget *do_widget)
 
       g_object_weak_ref (G_OBJECT (window), search_entry_destroyed, &window);
 
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
-      gtk_widget_set_margin_start (vbox, 18);
-      gtk_widget_set_margin_end (vbox, 18);
-      gtk_widget_set_margin_top (vbox, 18);
-      gtk_widget_set_margin_bottom (vbox, 18);
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
+      gtk_widget_set_margin_start (vbox, 5);
+      gtk_widget_set_margin_end (vbox, 5);
+      gtk_widget_set_margin_top (vbox, 5);
+      gtk_widget_set_margin_bottom (vbox, 5);
       gtk_window_set_child (GTK_WINDOW (window), vbox);
 
-      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
+      label = gtk_label_new (NULL);
+      gtk_label_set_markup (GTK_LABEL (label), "Search entry demo");
+      gtk_box_append (GTK_BOX (vbox), label);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
       gtk_box_append (GTK_BOX (vbox), hbox);
 
       /* Create our entry */

demos/gtk-demo/search_entry2.c

@@ -1,10 +1,10 @@
-/* Entry/Type to Search
+/* Entry/Delayed Search Entry
  *
  * GtkSearchEntry provides an entry that is ready for search.
  *
- * Search entries have their "search-changed" signal delayed and
- * should be used when the search operation is slow, such as big
- * datasets to search, or online searches.
+ * Search entries have their "changed" signal delayed and should
+ * be used when the searched operation is slow such as loads of
+ * entries to search, or online searches.
  *
  * GtkSearchBar allows have a hidden search entry that 'springs
  * into action' upon keyboard input.
@@ -18,69 +18,101 @@ search_changed_cb (GtkSearchEntry *entry,
 {
   const char *text;
   text = gtk_editable_get_text (GTK_EDITABLE (entry));
+  g_message ("search changed: %s", text);
   gtk_label_set_text (result_label, text ? text : "");
 }
 
+static void
+changed_cb (GtkEditable *editable)
+{
+  const char *text;
+  text = gtk_editable_get_text (GTK_EDITABLE (editable));
+  g_message ("changed: %s", text);
+}
+
+static void
+search_changed (GtkSearchEntry *entry,
+                GtkLabel       *label)
+{
+  gtk_label_set_text (label, "search-changed");
+}
+
+static void
+next_match (GtkSearchEntry *entry,
+            GtkLabel       *label)
+{
+  gtk_label_set_text (label, "next-match");
+}
+
+static void
+previous_match (GtkSearchEntry *entry,
+                GtkLabel       *label)
+{
+  gtk_label_set_text (label, "previous-match");
+}
+
+static void
+stop_search (GtkSearchEntry *entry,
+             GtkLabel       *label)
+{
+  gtk_label_set_text (label, "stop-search");
+}
+
 GtkWidget *
 do_search_entry2 (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
   GtkWidget *vbox;
   GtkWidget *hbox;
-  GtkWidget *box;
   GtkWidget *label;
   GtkWidget *entry;
+  GtkWidget *container;
   GtkWidget *searchbar;
   GtkWidget *button;
-  GtkWidget *header;
 
   if (!window)
     {
       window = gtk_window_new ();
-      gtk_window_set_title (GTK_WINDOW (window), "Type to Search");
+      gtk_window_set_title (GTK_WINDOW (window), "Delayed Search Entry");
       gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (do_widget));
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
+      gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
       gtk_widget_set_size_request (window, 200, -1);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
-      header = gtk_header_bar_new ();
-      gtk_window_set_titlebar (GTK_WINDOW (window), header);
-
       vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
       gtk_window_set_child (GTK_WINDOW (window), vbox);
 
       entry = gtk_search_entry_new ();
-      gtk_widget_set_halign (entry, GTK_ALIGN_CENTER);
+      container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_widget_set_halign (container, GTK_ALIGN_CENTER);
+      gtk_box_append (GTK_BOX (container), entry);
       searchbar = gtk_search_bar_new ();
       gtk_search_bar_connect_entry (GTK_SEARCH_BAR (searchbar), GTK_EDITABLE (entry));
       gtk_search_bar_set_show_close_button (GTK_SEARCH_BAR (searchbar), FALSE);
-      gtk_search_bar_set_child (GTK_SEARCH_BAR (searchbar), entry);
+      gtk_search_bar_set_child (GTK_SEARCH_BAR (searchbar), container);
       gtk_box_append (GTK_BOX (vbox), searchbar);
 
       /* Hook the search bar to key presses */
       gtk_search_bar_set_key_capture_widget (GTK_SEARCH_BAR (searchbar), window);
 
-      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 18);
-      gtk_widget_set_margin_start (box, 18);
-      gtk_widget_set_margin_end (box, 18);
-      gtk_widget_set_margin_top (box, 18);
-      gtk_widget_set_margin_bottom (box, 18);
-      gtk_box_append (GTK_BOX (vbox), box);
+      /* Help */
+      label = gtk_label_new ("Start Typing to search");
+      gtk_box_append (GTK_BOX (vbox), label);
 
       /* Toggle button */
-      button = gtk_toggle_button_new ();
-      gtk_button_set_icon_name (GTK_BUTTON (button), "system-search-symbolic");
+      button = gtk_toggle_button_new_with_label ("Search");
       g_object_bind_property (button, "active",
                               searchbar, "search-mode-enabled",
                               G_BINDING_BIDIRECTIONAL);
-      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), button);
+      gtk_box_append (GTK_BOX (vbox), button);
 
       /* Result */
       hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-      gtk_box_append (GTK_BOX (box), hbox);
+      gtk_box_append (GTK_BOX (vbox), hbox);
 
-      label = gtk_label_new ("Searching for:");
+      label = gtk_label_new ("Result:");
       gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+      gtk_widget_set_margin_start (label, 6);
       gtk_box_append (GTK_BOX (hbox), label);
 
       label = gtk_label_new ("");
@@ -88,6 +120,28 @@ do_search_entry2 (GtkWidget *do_widget)
 
       g_signal_connect (entry, "search-changed",
                         G_CALLBACK (search_changed_cb), label);
+      g_signal_connect (entry, "changed",
+                        G_CALLBACK (changed_cb), label);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_box_append (GTK_BOX (vbox), hbox);
+
+      label = gtk_label_new ("Signal:");
+      gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+      gtk_widget_set_margin_start (label, 6);
+      gtk_box_append (GTK_BOX (hbox), label);
+
+      label = gtk_label_new ("");
+      gtk_box_append (GTK_BOX (hbox), label);
+
+      g_signal_connect (entry, "search-changed",
+                        G_CALLBACK (search_changed), label);
+      g_signal_connect (entry, "next-match",
+                        G_CALLBACK (next_match), label);
+      g_signal_connect (entry, "previous-match",
+                        G_CALLBACK (previous_match), label);
+      g_signal_connect (entry, "stop-search",
+                        G_CALLBACK (stop_search), label);
     }
 
   if (!gtk_widget_get_visible (window))

demos/gtk-demo/shortcut_triggers.c

@@ -57,8 +57,6 @@ do_shortcut_triggers (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Shortcuts");
-      gtk_window_set_default_size (GTK_WINDOW (window), 200, -1);
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
 
       list = gtk_list_box_new ();

demos/gtk-demo/shortcuts.ui

@@ -8,7 +8,7 @@
         <property name="margin-start">50</property>
         <property name="margin-end">50</property>
         <property name="margin-top">50</property>
-        <property name="margin-bottom">50</property>
+        <property name="margin-end">50</property>
         <property name="spacing">10</property>
         <child>
           <object class="GtkButton">

demos/gtk-demo/sliding_puzzle.c

@@ -1,5 +1,5 @@
 /* Sliding Puzzle
- * #Keywords: GdkPaintable, GdkGesture, GtkShortcutController, game
+ * #Keywords: GdkPaintable, GdkGesture, game
  *
  * This demo demonstrates how to use gestures and paintables to create a
  * small sliding puzzle game.
@@ -281,8 +281,7 @@ start_puzzle (GdkPaintable *paintable)
   gtk_aspect_frame_set_obey_child (GTK_ASPECT_FRAME (frame), FALSE);
 
   /* Add shortcuts so people can use the arrow
-   * keys to move the puzzle
-   */
+   * keys to move the puzzle */
   controller = gtk_shortcut_controller_new ();
   gtk_shortcut_controller_set_scope (GTK_SHORTCUT_CONTROLLER (controller),
                                      GTK_SHORTCUT_SCOPE_LOCAL);

demos/gtk-demo/suggestionentry.css

@@ -1,28 +0,0 @@
-entry.suggestion > popover.menu.background > contents {
-  padding: 0;
-}
-
-entry.suggestion arrow {
-  -gtk-icon-source: -gtk-icontheme('pan-down-symbolic');
-  min-height: 16px;
-  min-width: 16px;
-}
-
-entry.suggestion > popover {
-  margin-top: 6px;
-  padding: 0;
-}
-
-entry.suggestion > popover listview {
-  margin: 8px 0;
-}
-
-entry.suggestion > popover listview > row {
-  padding: 8px;
-}
-
-entry.suggestion > popover listview > row:selected {
-  outline-color: rgba(1,1,1,0.2);
-  color: @theme_text_color;
-  background-color: shade(#f6f5f4, 0.97);
-}

demos/gtk-demo/suggestionentry.h

@@ -1,66 +0,0 @@
-#pragma once
-
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-
-#define MATCH_TYPE_OBJECT                 (match_object_get_type ())
-#define MATCH_OBJECT(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATCH_TYPE_OBJECT, MatchObject))
-#define MATCH_IS_OBJECT(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATCH_TYPE_OBJECT))
-
-typedef struct _MatchObject MatchObject;
-
-GType            match_object_get_type (void) G_GNUC_CONST;
-
-gpointer         match_object_get_item        (MatchObject *object);
-const char *     match_object_get_string      (MatchObject *object);
-guint            match_object_get_match_start (MatchObject *object);
-guint            match_object_get_match_end   (MatchObject *object);
-guint            match_object_get_score       (MatchObject *object);
-void             match_object_set_match       (MatchObject *object,
-                                               guint        start,
-                                               guint        end,
-                                               guint        score);
-
-#define SUGGESTION_TYPE_ENTRY               (suggestion_entry_get_type ())
-#define SUGGESTION_ENTRY(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), SUGGESTION_TYPE_ENTRY, SuggestionEntry))
-#define SUGGESTION_IS_ENTRY(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SUGGESTION_TYPE_ENTRY))
-
-typedef struct _SuggestionEntry       SuggestionEntry;
-
-GType           suggestion_entry_get_type (void) G_GNUC_CONST;
-
-GtkWidget*      suggestion_entry_new                (void);
-
-void            suggestion_entry_set_model          (SuggestionEntry     *self,
-                                                     GListModel          *model);
-GListModel *    suggestion_entry_get_model          (SuggestionEntry     *self);
-
-void            suggestion_entry_set_factory        (SuggestionEntry     *self,
-                                                     GtkListItemFactory  *factory);
-GtkListItemFactory *
-                suggestion_entry_get_factory        (SuggestionEntry     *self);
-
-void            suggestion_entry_set_use_filter     (SuggestionEntry     *self,
-                                                     gboolean             use_ilter);
-gboolean        suggestion_entry_get_use_filter     (SuggestionEntry     *self);
-
-void            suggestion_entry_set_expression     (SuggestionEntry     *self,
-                                                     GtkExpression       *expression);
-GtkExpression * suggestion_entry_get_expression     (SuggestionEntry     *self);
-
-void            suggestion_entry_set_show_arrow     (SuggestionEntry     *self,
-                                                     gboolean             show_arrow);
-gboolean        suggestion_entry_get_show_arrow     (SuggestionEntry     *self);
-
-typedef void (* SuggestionEntryMatchFunc)           (MatchObject *object,
-                                                     const char  *search,
-                                                     gpointer     user_data);
-
-void            suggestion_entry_set_match_func     (SuggestionEntry          *self,
-                                                     SuggestionEntryMatchFunc  func,
-                                                     gpointer                  user_data,
-                                                     GDestroyNotify            destroy);
-
-G_END_DECLS

demos/gtk-demo/svgpaintable.h

@@ -1,13 +0,0 @@
-#pragma once
-
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-#define SVG_TYPE_PAINTABLE (svg_paintable_get_type ())
-
-G_DECLARE_FINAL_TYPE (SvgPaintable, svg_paintable, SVG, PAINTABLE, GObject)
-
-GdkPaintable * svg_paintable_new (GFile *file);
-
-G_END_DECLS

demos/gtk-demo/tagged_entry.c

@@ -66,7 +66,6 @@ do_tagged_entry (GtkWidget *do_widget)
       gtk_window_set_display (GTK_WINDOW (window),
                               gtk_widget_get_display (do_widget));
       gtk_window_set_title (GTK_WINDOW (window), "Tagged Entry");
-      gtk_window_set_default_size (GTK_WINDOW (window), 260, -1);
       gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 
       g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);

demos/gtk-demo/tagstyle.css

@@ -1,5 +1,5 @@
 tag {
-  margin: 4px 0px;
+  margin: 4px;
   padding: 4px;
   border-radius: 4px;
   background: lightskyblue;
@@ -17,7 +17,3 @@ tag button {
   padding: 0;
   border: 1px solid white;
 }
-
-entry.tagged {
-  border-spacing: 4px;
-}

demos/gtk-demo/textview.c

@@ -545,7 +545,6 @@ recursive_attach_view (int                 depth,
     return;
 
   child_view = gtk_text_view_new_with_buffer (gtk_text_view_get_buffer (view));
-  gtk_widget_set_size_request (child_view, 260 - 20 * depth, -1);
 
   /* Frame is to add a black border around each child view */
   frame = gtk_frame_new (NULL);
@@ -591,8 +590,6 @@ easter_egg_callback (GtkWidget *button,
   g_object_unref (buffer);
 
   window = gtk_window_new ();
-  gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (gtk_widget_get_root (button)));
-  gtk_window_set_modal (GTK_WINDOW (window), TRUE);
   sw = gtk_scrolled_window_new ();
   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
                                   GTK_POLICY_AUTOMATIC,

demos/gtk-demo/themes.ui

@@ -11,7 +11,6 @@
   </object>
   <object class="GtkWindow" id="window">
     <property name="resizable">0</property>
-    <property name="title">Themes</property>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="header">
         <child type="start">

demos/gtk-demo/unicode-names.c

@@ -1,174 +0,0 @@
-#include "unicode-names.h"
-
-const char *
-get_unicode_type_name (GUnicodeType type)
-{
-  const char *names[] = {
-    "Other, Control",
-    "Other, Format",
-    "Other, Not Assigned",
-    "Other, Private Use",
-    "Other, Surrogate",
-    "Letter, Lowercase",
-    "Letter, Modifier",
-    "Letter, Other",
-    "Letter, Titlecase",
-    "Letter, Uppercase",
-    "Mark, Spacing",
-    "Mark, Enclosing",
-    "Mark, Nonspacing",
-    "Number, Decimal Digit",
-    "Number, Letter",
-    "Number, Other",
-    "Punctuation, Connector",
-    "Punctuation, Dash",
-    "Punctuation, Close",
-    "Punctuation, Final quote",
-    "Punctuation, Initial quote",
-    "Punctuation, Other",
-    "Punctuation, Open",
-    "Symbol, Currency",
-    "Symbol, Modifier",
-    "Symbol, Math",
-    "Symbol, Other",
-    "Separator, Line",
-    "Separator, Paragraph",
-    "Separator, Space",
-  };
-
-  if (type < G_N_ELEMENTS (names))
-    return names[type];
-
-  return "Unknown";
-}
-
-const char *
-get_break_type_name (GUnicodeBreakType type)
-{
-  const char *names[] = {
-    "Mandatory Break",
-    "Carriage Return",
-    "Line Feed",
-    "Attached Characters and Combining Marks",
-    "Surrogates",
-    "Zero Width Space",
-    "Inseparable",
-    "Non-breaking (\"Glue\")",
-    "Contingent Break Opportunity",
-    "Space",
-    "Break Opportunity After",
-    "Break Opportunity Before",
-    "Break Opportunity Before and After",
-    "Hyphen",
-    "Nonstarter",
-    "Opening Punctuation",
-    "Closing Punctuation",
-    "Ambiguous Quotation",
-    "Exclamation/Interrogation",
-    "Ideographic",
-    "Numeric",
-    "Infix Separator (Numeric)",
-    "Symbols Allowing Break After",
-    "Ordinary Alphabetic and Symbol Characters",
-    "Prefix (Numeric)",
-    "Postfix (Numeric)",
-    "Complex Content Dependent (South East Asian)",
-    "Ambiguous (Alphabetic or Ideographic)",
-    "Unknown",
-    "Next Line",
-    "Word Joiner",
-    "Hangul L Jamo",
-    "Hangul V Jamo",
-    "Hangul T Jamo",
-    "Hangul LV Syllable",
-    "Hangul LVT Syllable",
-    "Closing Parenthesis",
-    "Conditional Japanese Starter",
-    "Hebrew Letter",
-    "Regional Indicator",
-    "Emoji Base",
-    "Emoji Modifier",
-    "Zero Width Joiner",
-  };
-
-  if (type < G_N_ELEMENTS (names))
-    return names[type];
-
-  return "Unknown";
-}
-
-const char *
-get_combining_class_name (int cclass)
-{
-  const char *classes[256] = { 0, };
-
-  classes[0] = "Not Reordered";
-  classes[1] = "Overlay";
-  classes[7] = "Nukta";
-  classes[8] = "Kana Voicing";
-  classes[9] = "Virama";
-  classes[10] = "CCC10 (Hebrew)";
-  classes[11] = "CCC11 (Hebrew)";
-  classes[12] = "CCC12 (Hebrew)";
-  classes[13] = "CCC13 (Hebrew)";
-  classes[14] = "CCC14 (Hebrew)";
-  classes[15] = "CCC15 (Hebrew)";
-  classes[16] = "CCC16 (Hebrew)";
-  classes[17] = "CCC17 (Hebrew)";
-  classes[18] = "CCC18 (Hebrew)";
-  classes[19] = "CCC19 (Hebrew)";
-  classes[20] = "CCC20 (Hebrew)";
-  classes[21] = "CCC21 (Hebrew)";
-  classes[22] = "CCC22 (Hebrew)";
-  classes[23] = "CCC23 (Hebrew)";
-  classes[24] = "CCC24 (Hebrew)";
-  classes[25] = "CCC25 (Hebrew)";
-  classes[26] = "CCC26 (Hebrew)";
-
-  classes[27] = "CCC27 (Arabic)";
-  classes[28] = "CCC28 (Arabic)";
-  classes[29] = "CCC29 (Arabic)";
-  classes[30] = "CCC30 (Arabic)";
-  classes[31] = "CCC31 (Arabic)";
-  classes[32] = "CCC32 (Arabic)";
-  classes[33] = "CCC33 (Arabic)";
-  classes[34] = "CCC34 (Arabic)";
-  classes[35] = "CCC35 (Arabic)";
-
-  classes[36] = "CCC36 (Syriac)";
-
-  classes[84] = "CCC84 (Telugu)";
-  classes[85] = "CCC85 (Telugu)";
-
-  classes[103] = "CCC103 (Thai)";
-  classes[107] = "CCC107 (Thai)";
-
-  classes[118] = "CCC118 (Lao)";
-  classes[122] = "CCC122 (Lao)";
-
-  classes[129] = "CCC129 (Tibetan)";
-  classes[130] = "CCC130 (Tibetan)";
-  classes[133] = "CCC133 (Tibetan)";
-
-  classes[200] = "Attached Below Left";
-  classes[202] = "Attached Below";
-  classes[214] = "Attached Above";
-  classes[216] = "Attached Above Right";
-  classes[218] = "Below Left";
-  classes[220] = "Below";
-  classes[222] = "Below Right";
-  classes[224] = "Left";
-  classes[226] = "Right";
-  classes[228] = "Above Left";
-  classes[230] = "Above";
-  classes[232] = "Above Right";
-  classes[233] = "Double Below";
-  classes[234] = "Double Above";
-  classes[240] = "Iota Subscript";
-  classes[255] = "Invalid";
-
-  if (cclass < 256 && classes[cclass] != NULL)
-    return classes[cclass];
-
-  return "Unknown";
-}

demos/gtk-demo/unicode-names.h

@@ -1,7 +0,0 @@
-#pragma once
-
-#include <glib.h>
-
-const char * get_unicode_type_name    (GUnicodeType      type);
-const char * get_break_type_name      (GUnicodeBreakType type);
-const char * get_combining_class_name (int               cclass);

demos/icon-browser/window.ui

@@ -13,6 +13,9 @@
     </section>
   </menu>
   <template class="IconBrowserWindow" parent="GtkApplicationWindow">
+    <style>
+      <class name="devel"/>
+    </style>
     <property name="title" translatable="yes">Icon Browser</property>
     <property name="default-width">1024</property>
     <property name="default-height">768</property>
@@ -63,14 +66,11 @@
       <object class="GtkBox">
         <child>
           <object class="GtkScrolledWindow">
-            <style>
-              <class name="sidebar"/>
-            </style>
             <property name="hscrollbar-policy">never</property>
             <child>
               <object class="GtkListView">
                 <style>
-                  <class name="navigation-sidebar"/>
+                  <class name="navigation-sidebar" />
                 </style>
                 <property name="model">
                   <object class="GtkSingleSelection" id="context_model">
@@ -108,6 +108,11 @@
             </child>
           </object>
         </child>
+        <child>
+          <object class="GtkSeparator">
+            <property name="orientation">vertical</property>
+          </object>
+        </child>
         <child>
           <object class="GtkBox" id="content_box">
             <property name="orientation">vertical</property>

demos/node-editor/help-window.ui

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <object class="GtkWindow" id="window">
+    <style>
+      <class name="devel"/>
+    </style>
     <property name="title" translatable="yes">Help</property>
     <property name="default-width">720</property>
     <property name="default-height">520</property>

demos/node-editor/node-editor-window.c

@@ -102,11 +102,12 @@ text_buffer_remove_all_tags (GtkTextBuffer *buffer)
 }
 
 static void
-deserialize_error_func (const GskParseLocation *start_location,
-                        const GskParseLocation *end_location,
-                        const GError           *error,
-                        gpointer                user_data)
+deserialize_error_func (const GtkCssSection *section,
+                        const GError        *error,
+                        gpointer             user_data)
 {
+  const GtkCssLocation *start_location = gtk_css_section_get_start_location (section);
+  const GtkCssLocation *end_location = gtk_css_section_get_end_location (section);
   NodeEditorWindow *self = user_data;
   GtkTextIter start_iter, end_iter;
   TextViewError text_view_error;
@@ -170,8 +171,6 @@ text_changed (GtkTextBuffer    *buffer,
   GskRenderNode *node;
   char *text;
   GBytes *bytes;
-  GtkTextIter iter;
-  GtkTextIter start, end;
 
   g_array_remove_range (self->errors, 0, self->errors->len);
   text = get_current_text (self->text_buffer);
@@ -209,6 +208,8 @@ text_changed (GtkTextBuffer    *buffer,
       gtk_picture_set_paintable (GTK_PICTURE (self->picture), NULL);
     }
 
+  GtkTextIter iter;
+
   gtk_text_buffer_get_start_iter (self->text_buffer, &iter);
 
   while (!gtk_text_iter_is_end (&iter))
@@ -271,10 +272,6 @@ text_changed (GtkTextBuffer    *buffer,
 
       gtk_text_iter_forward_char (&iter);
     }
-
-  gtk_text_buffer_get_bounds (self->text_buffer, &start, &end);
-  gtk_text_buffer_apply_tag_by_name (self->text_buffer, "no-hyphens",
-                                     &start, &end);
 }
 
 static gboolean
@@ -465,7 +462,7 @@ save_response_cb (GtkWidget        *dialog,
       text = get_current_text (self->text_buffer);
 
       file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-      g_file_replace_contents (file, text, strlen (text),
+      g_file_replace_contents (file, text, -1,
                                NULL, FALSE,
                                G_FILE_CREATE_NONE,
                                NULL,
@@ -901,11 +898,6 @@ node_editor_window_init (NodeEditorWindow *self)
                                         "name", "number",
                                         "foreground-rgba", &(GdkRGBA) { 0.8, 0.52, 0.43, 1},
                                         NULL));
-  gtk_text_tag_table_add (self->tag_table,
-                          g_object_new (GTK_TYPE_TEXT_TAG,
-                                        "name", "no-hyphens",
-                                        "insert-hyphens", FALSE,
-                                        NULL));
 
   self->text_buffer = gtk_text_buffer_new (self->tag_table);
   g_signal_connect (self->text_buffer, "changed", G_CALLBACK (text_changed), self);