Add a gst-build subproject

This should help to reach 100% 'build from git' status. Fixes: #3795
2021-03-25 21:26:19 -04:00
2135 changed files with 205247 additions and 236209 deletions
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2021 The GTK Authors
-# SPDX-License-Identifier: CC0-1.0
-
-root = true
-
-[*]
-charset = utf-8
-end_of_line = lf
-trim_trailing_whitespace = true
-
-[*.[ch]]
-indent_size = 2
-indent_style = space
-insert_final_newline = true
-# For the legacy tabs which still exist in the code:
-tab_width = 8
-
-[*.ui]
-indent_size = 2
-indent_style = space
-insert_final_newline = true
-
-[*.xml]
-indent_size = 2
-indent_style = space
-
-[meson.build]
-indent_size = 2
-indent_style = space
-
-[*.md]
-max_line_length = 80
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,6 @@ stages:
  - analysis
  - docs
  - flatpak
-  - publish
  - deploy

 .cache-paths: &cache-paths
@@ -25,8 +24,9 @@ variables:
  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:v35"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v28"
  FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
+  DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora-docs:v26"

 .only-default:
  only:
@@ -58,10 +58,8 @@ style-check-diff:
      - "${CI_PROJECT_DIR}/_build/report*.xml"
      - "${CI_PROJECT_DIR}/_build/report*.html"
      - "${CI_PROJECT_DIR}/_build/testsuite/reftests/output/*/*.png"
-      - "${CI_PROJECT_DIR}/_build/testsuite/tools/output/*/*"
      - "${CI_PROJECT_DIR}/_build/testsuite/gsk/compare/*/*/*.png"
      - "${CI_PROJECT_DIR}/_build/testsuite/css/output/*/*.syscap"
-      - "${CI_PROJECT_DIR}/_build_hello/meson-logs"
  cache:
    key: "$CI_JOB_NAME"
    paths:
@@ -79,19 +77,12 @@ fedora-x86_64:
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=debug --default-library=both"
  script:
-    - .gitlab-ci/show-info-linux.sh
    - meson subprojects update
-    - mkdir _install
-    - meson --prefix=${CI_PROJECT_DIR}/_install
-            ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
+    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
            _build
-    - meson compile -C _build
-    - meson install -C _build
-    - PKG_CONFIG_PATH=${CI_PROJECT_DIR}/_install/lib64/pkgconfig:${CI_PROJECT_DIR}/_install/share/pkgconfig meson setup _build_hello examples/hello
-    - meson compile -C _build_hello
+    - ninja -C _build
    - .gitlab-ci/run-tests.sh _build x11
    - .gitlab-ci/run-tests.sh _build wayland
-    - .gitlab-ci/run-tests.sh _build waylandgles
    - .gitlab-ci/run-tests.sh _build broadway

 release-build:
@@ -101,7 +92,6 @@ release-build:
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=release"
  script:
-    - .gitlab-ci/show-info-linux.sh
    - meson subprojects update
    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
            _build
@@ -116,7 +106,6 @@ installed-tests:
    EXTRA_MESON_FLAGS: "--prefix=/usr --libdir=/usr/lib64 -Dinstall-tests=true"
    G_TEST_ACCESSIBLE: 1
  script:
-    - .gitlab-ci/show-info-linux.sh
    - meson subprojects update
    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
            _build
@@ -166,16 +155,13 @@ macos:
    - macos
  needs: []
  before_script:
-    - bash .gitlab-ci/show-info-osx.sh
-    - pip3 install --user meson==0.59
+    - bash .gitlab-ci/show-execution-environment.sh
+    - pip3 install --user meson==0.56
    - pip3 install --user ninja
    - export PATH=/Users/gitlabrunner/Library/Python/3.7/bin:$PATH
    - export MESON_FORCE_BACKTRACE=1
  script:
    - meson -Dx11-backend=false
-            -Dbroadway-backend=true
-            -Dmacos-backend=true
-            -Dmedia-gstreamer=disabled
            -Dintrospection=disabled
            -Dcpp_std=c++11
            -Dpixman:tests=disabled
@@ -186,22 +172,6 @@ macos:
    paths:
      - "${CI_PROJECT_DIR}/_build/meson-logs"

-vs2017-x64:
-  extends: .only-default
-  # TODO: Uncomment this when ready to merge.
-  #only:
-  #  - branches@GNOME/gtk
-  stage: build
-  tags:
-    - win32-ps
-  needs: []
-  script:
-    - .gitlab-ci/test-msvc.bat
-  artifacts:
-    when: always
-    paths:
-      - "${CI_PROJECT_DIR}/_build/meson-logs"
-
 .flatpak-defaults:
  image: $FLATPAK_IMAGE
  stage: flatpak
@@ -221,11 +191,11 @@ vs2017-x64:
  extends: .flatpak-defaults
  when: manual

-# Only build Flatpak bundles automatically on main
-.flatpak-main:
+# Only build Flatpak bundles automatically on master
+.flatpak-master:
  extends: .flatpak-defaults
  only:
-    - main
+    - master

 flatpak-manual:demo:
  extends: .flatpak-manual
@@ -233,8 +203,8 @@ flatpak-manual:demo:
  variables:
    APPID: org.gtk.Demo4

-flatpak-main:demo:
-  extends: .flatpak-main
+flatpak-master:demo:
+  extends: .flatpak-master
  needs: []
  variables:
    APPID: org.gtk.Demo4
@@ -245,8 +215,8 @@ flatpak-manual:widget-factory:
  variables:
    APPID: org.gtk.WidgetFactory4

-flatpak-main:widget-factory:
-  extends: .flatpak-main
+flatpak-master:widget-factory:
+  extends: .flatpak-master
  needs: []
  variables:
    APPID: org.gtk.WidgetFactory4
@@ -257,8 +227,8 @@ flatpak-manual:icon-browser:
  variables:
    APPID: org.gtk.IconBrowser4

-flatpak-main:icon-browser:
-  extends: .flatpak-main
+flatpak-master:icon-browser:
+  extends: .flatpak-master
  needs: []
  variables:
    APPID: org.gtk.IconBrowser4
@@ -268,18 +238,18 @@ flatpak-main:icon-browser:
 # https://gitlab.gnome.org/GNOME/Initiatives/-/wikis/DevOps-with-Flatpak
 nightly demo:
    extends: '.publish_nightly'
-    dependencies: ['flatpak-main:demo']
-    needs: ['flatpak-main:demo']
+    dependencies: ['flatpak-master:demo']
+    needs: ['flatpak-master:demo']

 nightly factory:
    extends: '.publish_nightly'
-    dependencies: ['flatpak-main:widget-factory']
-    needs: ['flatpak-main:widget-factory']
+    dependencies: ['flatpak-master:widget-factory']
+    needs: ['flatpak-master:widget-factory']

 nightly icon-browser:
    extends: '.publish_nightly'
-    dependencies: ['flatpak-main:icon-browser']
-    needs: ['flatpak-main:icon-browser']
+    dependencies: ['flatpak-master:icon-browser']
+    needs: ['flatpak-master:icon-browser']

 static-scan:
  image: $FEDORA_IMAGE
@@ -313,7 +283,7 @@ asan-build:
  allow_failure: true

 reference:
-  image: $FEDORA_IMAGE
+  image: $DOCS_IMAGE
  stage: docs
  needs: []
  variables:
@@ -339,11 +309,14 @@ reference:
    paths:
      - _reference

-publish-docs:
-  stage: publish
+pages:
+  stage: deploy
  needs: ['reference']
  script:
-    - "curl -X POST -F token=${PAGES_TRIGGER_TOKEN} -F ref=docs-gtk-org https://gitlab.gnome.org/api/v4/projects/665/trigger/pipeline"
+    - mv _reference/ public/
+    - cp .gitlab-ci/pages/* public/
+  artifacts:
+    paths:
+      - public
  only:
-    refs:
-      - main
+    - master
--- a/.gitlab-ci/fedora-base.Dockerfile
+++ b/.gitlab-ci/fedora-base.Dockerfile
@@ -0,0 +1,89 @@
+FROM fedora:33
+
+RUN dnf -y install \
+    adwaita-icon-theme \
+    atk-devel \
+    at-spi2-atk-devel \
+    avahi-gobject-devel \
+    cairo-devel \
+    cairo-gobject-devel \
+    ccache \
+    clang \
+    clang-analyzer \
+    colord-devel \
+    cups-devel \
+    dbus-daemon \
+    dbus-x11 \
+    dejavu-sans-mono-fonts \
+    desktop-file-utils \
+    diffutils \
+    elfutils-libelf-devel \
+    fribidi-devel \
+    gcc \
+    gcc-c++ \
+    gdk-pixbuf2-devel \
+    gdk-pixbuf2-modules \
+    gettext \
+    git \
+    glib2-devel \
+    glib2-static \
+    glibc-devel \
+    glibc-headers \
+    gnome-desktop-testing \
+    gobject-introspection-devel \
+    graphene-devel \
+    gstreamer1-devel \
+    gstreamer1-plugins-good \
+    gstreamer1-plugins-bad-free-devel \
+    gstreamer1-plugins-base-devel \
+    gtk-doc \
+    hicolor-icon-theme \
+    iso-codes \
+    itstool \
+    json-glib-devel \
+    lcov \
+    libasan \
+    libattr-devel \
+    libcloudproviders-devel \
+    libepoxy-devel \
+    libffi-devel \
+    libmount-devel \
+    librsvg2 \
+    libselinux-devel \
+    libubsan \
+    libXcomposite-devel \
+    libXcursor-devel \
+    libXcursor-devel \
+    libXdamage-devel \
+    libXfixes-devel \
+    libXi-devel \
+    libXinerama-devel \
+    libxkbcommon-devel \
+    libXrandr-devel \
+    libXrender-devel \
+    libXtst-devel \
+    libxslt \
+    mesa-dri-drivers \
+    mesa-libEGL-devel \
+    mesa-libGLES-devel \
+    meson \
+    ninja-build \
+    pango-devel \
+    pcre-devel \
+    pcre-static \
+    python3 \
+    python3-jinja2 \
+    python3-pip \
+    python3-pygments \
+    python3-wheel \
+    redhat-rpm-config \
+    sassc \
+    systemtap-sdt-devel \
+    vulkan-devel \
+    wayland-devel \
+    wayland-protocols-devel \
+    weston \
+    weston-libs \
+    which \
+    xorg-x11-server-Xvfb \
+ && dnf clean all
--- a/.gitlab-ci/fedora-docs.Dockerfile
+++ b/.gitlab-ci/fedora-docs.Dockerfile
@@ -0,0 +1,17 @@
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v28
+
+RUN dnf -y install \
+        python3-jinja2 \
+        python3-markdown \
+        python3-pygments \
+        python3-toml \
+        python3-typogrify
+
+ARG HOST_USER_ID=5555
+ENV HOST_USER_ID ${HOST_USER_ID}
+RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+
+USER user
+WORKDIR /home/user
+
+ENV LANG C.UTF-8
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -1,101 +1,4 @@
-FROM fedora:34
-
-RUN dnf -y install \
-    adwaita-icon-theme \
-    atk-devel \
-    at-spi2-atk-devel \
-    avahi-gobject-devel \
-    cairo-devel \
-    cairo-gobject-devel \
-    ccache \
-    clang \
-    clang-analyzer \
-    clang-tools-extra \
-    colord-devel \
-    cups-devel \
-    dbus-daemon \
-    dbus-x11 \
-    dejavu-sans-mono-fonts \
-    desktop-file-utils \
-    diffutils \
-    elfutils-libelf-devel \
-    fribidi-devel \
-    gcc \
-    gcc-c++ \
-    gdk-pixbuf2-devel \
-    gdk-pixbuf2-modules \
-    gettext \
-    git \
-    glib2-devel \
-    glib2-static \
-    glibc-devel \
-    glibc-headers \
-    gnome-desktop-testing \
-    gobject-introspection-devel \
-    graphene-devel \
-    graphviz \
-    gstreamer1-devel \
-    gstreamer1-plugins-good \
-    gstreamer1-plugins-bad-free-devel \
-    gstreamer1-plugins-base-devel \
-    hicolor-icon-theme \
-    iso-codes \
-    itstool \
-    json-glib-devel \
-    lcov \
-    libasan \
-    libattr-devel \
-    libcloudproviders-devel \
-    libepoxy-devel \
-    libffi-devel \
-    libjpeg-turbo-devel \
-    libmount-devel \
-    libpng-devel \
-    librsvg2 \
-    libselinux-devel \
-    libtiff-devel \
-    libubsan \
-    libXcomposite-devel \
-    libXcursor-devel \
-    libXcursor-devel \
-    libXdamage-devel \
-    libXfixes-devel \
-    libXi-devel \
-    libXinerama-devel \
-    libxkbcommon-devel \
-    libXrandr-devel \
-    libXrender-devel \
-    libXtst-devel \
-    libxslt \
-    mesa-dri-drivers \
-    mesa-libEGL-devel \
-    mesa-libGLES-devel \
-    meson \
-    ninja-build \
-    pango-devel \
-    pcre-devel \
-    pcre-static \
-    python3 \
-    python3-docutils \
-    python3-gobject \
-    python3-jinja2 \
-    python3-markdown \
-    python3-pip \
-    python3-pygments \
-    python3-toml \
-    python3-typogrify \
-    python3-wheel \
-    redhat-rpm-config \
-    sassc \
-    systemtap-sdt-devel \
-    vulkan-devel \
-    wayland-devel \
-    wayland-protocols-devel \
-    weston \
-    weston-libs \
-    which \
-    xorg-x11-server-Xvfb \
- && dnf clean all
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v28

 # Enable sudo for wheel users
 RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers
--- a/.gitlab-ci/flatpak-build.sh
+++ b/.gitlab-ci/flatpak-build.sh
@@ -24,7 +24,6 @@ flatpak build ${builddir} meson \
                -Dbuild-examples=false \
                -Dintrospection=disabled \
                -Ddemos=true \
-                -Dprofile=devel \
                _flatpak_build

 flatpak build ${builddir} ninja -C _flatpak_build install
@@ -43,6 +42,6 @@ flatpak build-bundle \
        ${appid}

 # to be consumed by the nightly publish jobs
-if [[ $CI_COMMIT_BRANCH == main ]]; then
+if [[ $CI_COMMIT_BRANCH == master ]]; then
        tar cf repo.tar ${repodir}
 fi
--- a/.gitlab-ci/meson-html-report.py
+++ b/.gitlab-ci/meson-html-report.py
@@ -268,7 +268,7 @@ aparser.add_argument('--job-id', metavar='ID',
                     default=None)
 aparser.add_argument('--branch', metavar='NAME',
                     help='Branch of the project being tested',
-                     default='main')
+                     default='master')
 aparser.add_argument('--output', metavar='FILE',
                     help='The output HTML file, stdout by default',
                     type=argparse.FileType('w', encoding='UTF-8'),
--- a/.gitlab-ci/meson-junit-report.py
+++ b/.gitlab-ci/meson-junit-report.py
@@ -27,7 +27,7 @@ aparser.add_argument('--job-id', metavar='ID',
                     default='Unknown')
 aparser.add_argument('--branch', metavar='NAME',
                     help='Branch of the project being tested',
-                     default='main')
+                     default='master')
 aparser.add_argument('--output', metavar='FILE',
                     help='The output file, stdout by default',
                     type=argparse.FileType('w', encoding='UTF-8'),
--- a/.gitlab-ci/run-style-check-diff.sh
+++ b/.gitlab-ci/run-style-check-diff.sh
@@ -2,7 +2,7 @@

 set -e

-# We need to add a new remote for the upstream main, since this script could
+# We need to add a new remote for the upstream master, since this script could
 # be running in a personal fork of the repository which has out of date branches.
 if [ "${CI_PROJECT_NAMESPACE}" != "GNOME" ]; then
    echo "Retrieving the current upstream repository from ${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}..."
@@ -16,7 +16,7 @@ fi

 # Work out the newest common ancestor between the detached HEAD that this CI job
 # has checked out, and the upstream target branch (which will typically be
-# `upstream/main` or `upstream/gtk-3-24`).
+# `upstream/master` or `upstream/gtk-3-24`).
 #
 # `${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}` is only defined if we’re running in
 # a merge request pipeline; fall back to `${CI_DEFAULT_BRANCH}` otherwise.
@@ -36,7 +36,7 @@ exit_status=$?
 echo ""
 echo "Note that clang-format output is advisory and cannot always match the"
 echo "GTK coding style, documented at:"
-echo "   https://gitlab.gnome.org/GNOME/gtk/blob/main/docs/CODING-STYLE"
+echo "   https://gitlab.gnome.org/GNOME/gtk/blob/master/docs/CODING-STYLE"
 echo "Warnings from this tool can be ignored in favour of the documented "
 echo "coding style, or in favour of matching the style of existing"
 echo "surrounding code."
--- a/.gitlab-ci/run-tests.sh
+++ b/.gitlab-ci/run-tests.sh
@@ -44,24 +44,6 @@ case "${backend}" in
    kill ${compositor}
    ;;

-  waylandgles)
-    export XDG_RUNTIME_DIR="$(mktemp -p $(pwd) -d xdg-runtime-XXXXXX)"
-
-    weston --backend=headless-backend.so --socket=wayland-6 --idle-time=0 &
-    compositor=$!
-    export WAYLAND_DISPLAY=wayland-6
-
-    meson test -C ${builddir} \
-                --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
-                --print-errorlogs \
-                --setup=${backend} \
-                --suite=gtk \
-                --no-suite=gsk-compare-broadway
-
-    exit_code=$?
-    kill ${compositor}
-    ;;
-
  broadway)
    export XDG_RUNTIME_DIR="$(mktemp -p $(pwd) -d xdg-runtime-XXXXXX)"

@@ -80,12 +62,6 @@ case "${backend}" in
    exit_code=0
    kill ${server}
    ;;
-
-  *)
-    echo "Failed to add ${backend} to .gitlab-ci/run-tests.sh"
-    exit 1
-    ;;
-
 esac

 cd ${builddir}
--- a/.gitlab-ci/show-execution-environment.sh
+++ b/.gitlab-ci/show-execution-environment.sh
--- a/.gitlab-ci/show-info-linux.sh
+++ b/.gitlab-ci/show-info-linux.sh
@@ -1,5 +0,0 @@
-#! /bin/sh
-
-. /etc/os-release
-
-echo $PRETTY_NAME
--- a/.gitlab-ci/test-docker.sh
+++ b/.gitlab-ci/test-docker.sh
@@ -15,7 +15,7 @@ meson \
        -Dx11-backend=true \
        -Dwayland-backend=true \
        -Dbroadway-backend=true \
-        -Dvulkan=enabled \
+        -Dvulkan=yes \
        -Dprofiler=true \
        --werror \
        ${EXTRA_MESON_FLAGS:-} \
--- a/.gitlab-ci/test-msvc.bat
+++ b/.gitlab-ci/test-msvc.bat
@@ -1,14 +0,0 @@
-@echo on
-:: vcvarsall.bat sets various env vars like PATH, INCLUDE, LIB, LIBPATH for the
-:: specified build architecture
-call "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x64
-@echo on
-
-:: FIXME: make warnings fatal
-pip3 install --upgrade --user meson==0.59 || goto :error
-meson -Dmedia-gstreamer=disabled _build || goto :error
-ninja -C _build || goto :error
-
-goto :EOF
-:error
-exit /b 1
--- a/.gitlab-ci/test-msys2.sh
+++ b/.gitlab-ci/test-msys2.sh
@@ -31,8 +31,7 @@ pacman --noconfirm -S --needed \
    mingw-w64-$MSYS2_ARCH-pango \
    mingw-w64-$MSYS2_ARCH-fribidi \
    mingw-w64-$MSYS2_ARCH-gst-plugins-bad \
-    mingw-w64-$MSYS2_ARCH-shared-mime-info \
-    mingw-w64-$MSYS2_ARCH-python-gobject
+    mingw-w64-$MSYS2_ARCH-shared-mime-info

 mkdir -p _ccache
 export CCACHE_BASEDIR="$(pwd)"
@@ -41,7 +40,7 @@ export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 # https://gitlab.gnome.org/GNOME/gtk/-/issues/2243
 # https://gitlab.gnome.org/GNOME/gtk/-/issues/3002

-if ! pkg-config --atleast-version=2.66.0 glib-2.0; then
+if ! pkg-config --atleast-version=2.65.0 glib-2.0; then
    git clone https://gitlab.gnome.org/GNOME/glib.git _glib
    meson setup _glib_build _glib
    meson compile -C _glib_build
@@ -49,7 +48,7 @@ if ! pkg-config --atleast-version=2.66.0 glib-2.0; then
 fi
 pkg-config --modversion glib-2.0

-if ! pkg-config --atleast-version=1.50.0 pango; then
+if ! pkg-config --atleast-version=1.47.0 pango; then
    git clone https://gitlab.gnome.org/GNOME/pango.git _pango
    meson setup _pango_build _pango
    meson compile -C _pango_build
--- a/.gitlab/issue_templates/Bug.md
+++ b/.gitlab/issue_templates/Bug.md
@@ -1,7 +1,7 @@
 <!--
  Please, read the CONTRIBUTING.md guide on how to file a new issue.

-  https://gitlab.gnome.org/GNOME/gtk/-/blob/main/CONTRIBUTING.md
+  https://gitlab.gnome.org/GNOME/gtk/-/blob/master/CONTRIBUTING.md
 -->
 ## Steps to reproduce
 <!--
--- a/.gitlab/issue_templates/Crash.md
+++ b/.gitlab/issue_templates/Crash.md
@@ -1,7 +1,7 @@
 <!--
  Please, read the CONTRIBUTING.md guide on how to file a new issue.

-  https://gitlab.gnome.org/GNOME/gtk/-/blob/main/CONTRIBUTING.md
+  https://gitlab.gnome.org/GNOME/gtk/-/blob/master/CONTRIBUTING.md
 -->

 ## Steps to reproduce
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -256,7 +256,7 @@ people committing to GTK to follow a few rules:
 0. Always write a meaningful commit message. Changes without a sufficient
   commit message will be reverted.

-0. Never push to the `main` branch, or any stable branches, directly; you
+0. Never push to the `master` branch, or any stable branches, directly; you
   should always go through a merge request, to ensure that the code is
   tested on the CI infrastructure at the very least. A merge request is
   also the proper place to get a comprehensive code review from the core
--- a/678
+++ b/678
@@ -1,681 +1,3 @@
-Overview of Changes
-===================
-
-* GtkProgressBar:
- - Fix handling of "inverted"
-
-* GtkLabel:
- - Add a "natural wrap mode" property to influence how
-   natural width is determined
-
-* GtkTextView
- - Scroll insertion on-screen after undo / redo
-
-* gsk:
- - Abort region diffing when changes are too complex
-
-* gdk:
- - Avoid compressing discrete scroll events
- - Fix problems with hiding windows
- - Improve GL and GLES version checks
-
-* Wayland:
- - Support new high-contrast setting
-
-* Inspector:
- - Add DND inspection support
-
-* build:
- - Avoid deprecated meson apis
-
-* Translation updates
- Galician
- Portuguese
- Ukrainian
-
-
-Overview of Changes in 4.5.1, 16-12-2021
-========================================
-
-* GtkWidget sizing has been rewritten to implement
-  width-for-height more properly. This had some fallout,
-  and some widgets may still not react kindly to the
-  new way of doing things.
-
-  See https://blog.gtk.org/2021/12/03/sizable-news/
-  for details, and please file issues if you notice fallout.
-
-* Rename git `master` branch to `main`
-
-* Css:
- - Fully support font-variant-caps
- - Fix a crash with gradients
-
-* Make various widgets activatable:
- - GtkComboBox
- - GtkDropDown
-
-* GtkPopover:
- - Make focus indicators not disappear
-
-* GtkTextView:
- - Don't leave embedded children stranded when scrolling
- - Don't insert Emoji into non-editable textviews
- - Fix Emoji chooser positioning
- - Fix problems with pasting text
- - Improve scroll-to-mark behavior
- - Support right-aligned, centered and decimal tabs
- - Make child anchor replacement character settable
- - Provide more context to input methods
-
-* GtkDragIcon:
- - Provide default icons for paintables and files
-
-* GtkBuilder:
- - Speed up template precompilation
-
-* Actions:
- - Reduce allocations during signal emissions
- - Avoid duplication and unnecessary recursion
-
-* Inspector:
- - Show the selected im-module in the General tab
- - Add a clipboard viewer
- - Make the recorder record events too
- - Add a graph visualizing gtk_widget_measure()
-
-* Gsk:
- - Fix hexbox rendering
- - Fix transformed linear gradient rendering
-
-* Printing:
- - Fix dialog-less printing
-
-* Windows:
- - Use the common EGL setup code
- - Respect GDK_DEBUG=gl-egl
- - Fix AeroSnap indicator and positioning
-
-* X11:
- - Improve behavior of windows drags on headerbar controls
- - Trap errors for RANDR changes
- - Fix problems with drag icons
-
-* Wayland:
- - Ensure we prefer the Wayland im-module over others
-
-* Translation updates
- Basque
- Catalan
- Croatian
- Friulian
- Galician
- Hebrew
- Icelandic
- Italian
- Latvian
- Lithuanian
- Occitan
- Persian
- Portuguese
- Spanish
- Swedish
- Ukrainian
-
-Overview of Changes in 4.5.0
-============================
-
-* gsk:
- - Drop the GL renderer in favor of NGL
- - Rename NGL to GL
- - Fix some coordinate overflow issues
- - Reimplement texture upload and download for better
-   support of image formats and color spaces
- - New api:
-   gsk_transform_skew
-   gsk_transform_to_2d_components
-
-* gdk:
- - Support HSL in gdk_rgba_parse
- - Use libpng, libjpeg and libtiff directly when loading
-   textures, and support more image formats (including 16bit
-   and float formats)
- - New apis:
-   gdk_texture_new_from_bytes
-   gdk_texture_new_from_filename
-   gdk_texture_download_float
-   gdk_texture_save_to_png_bytes
-   gdk_texture_save_to_tiff
-   gdk_texture_save_to_tiff_bytes
-   gdk_display_create_gl_context
- - Implement GIcon and GLoadableIcon in GdkTexture
- - Move EGL initialization to the frontend
- - Use configless EGL contexts, if supported
- - Use >8bit pixel formats, if supported and requested
-
-* css:
- - Add support for line-height
- - Add support for text-transform
-
-* theme:
- - Fixes for buttons in toolbars
-
-* input:
- - Update compose sequences from libX11 1.7.2
- - Accept replacement string longer than 20 characters
-
-* text:
- - Implement sloped caret drawing
- - Add a gtk-hint-font-metrics setting to switch
-   font rendering to be more similar to GTK3
-
-* GtkTextView:
- - Add support for line height
- - Add support for text transforms
- - Misc fixes for css->pango attribute translations
- - Invalidate pango contexts when font settings change
- - Improve undo grouping when overwriting
-
-* GtkListView:
- - Make tree indentation more flexible with
-   GtkTreeExpander:indent-for-icon
-
-* GtkMenuButton:
- - Support custom children
-
-* GtkFlowBox:
- - Add prepend and append
-
-* GtkCalendar:
- - Fix handling of weeks starting on Monday
-
-* GtkWindow:
- - Add a titlebar property
-
-* GtkDropDown:
- - Add a show-arrow property
-
-* GtkPopoverMenu:
- - Support a use-markup attribute in menu models
-
-* Add GtkSymbolicPaintable
-
-* Tools:
- - Support DND in gtk4-node-editor and the inspector's recorder
-
-* Demos:
- - Improve the font rendering demo
-
-* Build:
- - Require Pango 1.49
- - Require libpng, libtiff and libjpeg
- - Speed up handling of resources during build
-
-* X11:
- - Support touchpad gestures with XInput 2.4
-
-* Windows:
- - Fix DND coordinates
-
-* Translation updates:
- Basque
- Brazilian Portuguese
- Catalan
- Chinese (China)
- Croatian
- Czech
- Dutch
- Finnish
- French
- Galician
- German
- Hebrew
- Hungarian
- Icelandic
- Indonesian
- Kazakh
- Korean
- Latvian
- Lithuanian
- Persian
- Portuguese
- Romanian
- Serbian
- Slovak
- Spanish
- Swedish
- Turkish
- Ukrainian
-
-
-Overview of Changes in 4.4.0
-============================
-
-* Input:
- - Match IBus for display of Compose sequences
- - Match IBus for handling of mismatches
- - Handle Escape in Compose sequences
- - Allow multiple dead keys
- - Support 32bit keysyms
-
-* GtkCheckButton:
- - Activate when moving focus
-
-* GtkLabel:
- - Propertly ignore double underscores for mnemonics
-
-* GtkPopoverMenu:
- - Fix focus cycling
-
-* GtkTextView:
- - Improve word selection
- - Fix block cursors on empty lines
-
-* GdkToplevel:
- - Support the gnome-shell titlebar gesture protocol
-
-* GdkDropTarget:
- - Allow creating drop targets in ui files
-
-* gsk:
- - Handle partial color fonts correctly
- - Use harfbuzz for color font information
- - Avoid pango for glyph cache rendering
- - Shrink shadow extents
-
-* Settings:
- - Change the default for gtk-split-cursor to FALSE
-
-* Demos:
- - Small improvements to widget-factory
- - gtk-demo: Improve the hypertext demo
- - gtk-dem: Improve the clipboard demo
-
-* X11:
- - Set WM_CLASS on toplevels
-
-* Wayland:
- - Support wl_seat v7
-
-* Windows:
- - Drop the local DND protocol
- - Avoid WGL if shaders don't work
- - Use WinPointer API
-
-* Translation updates:
- Belarusian
- Friulian
- Hebrew
- Khmer
- Persian
- Polish
-
-
-Overview of Changes in 4.3.2
-============================
-
-* GtkToggleButton:
- - Fix the actionable implementation
-
-* GtkCheckButton:
- - Fix the actionable implementation
- - Cancel activation on when the pointer leaves
-
-* GtkMenuButton:
- - Make activatable again
- - Add a way to have an icon + arrow
-
-* GtkColorButton:
- - Make activatable again
-
-* GtkFontButton:
- - Make activatable again
-
-* GtkAppChooserButton:
- - Make activatable again
-
-* GtkColumnView:
- - Fix double activation
-
-* GtkLabel:
- - Fix mnemonics without markup
-
-* GtkTreeView:
- - Clip header buttons
-
-* GtkTextView:
- - Add api to get the RTL and LTR contexts
- - Fix some errors in text history grouping
-
-* GtkText:
- - Don't show placeholder text on top of entry text
- - Add api to compute the cursor extents
- - Fix y coordinates for text selection
-
-* GtkFileChooser:
- - Don't show Trash in the side bar
-
-* GtkPopoverMenu:
- - Add scrollbars to long menus
-
-* GtkActionMuxer:
- - Fix propagation of accel changes
-
-* Introspection:
- - Annotate all filename arguments
- - Rename GtkMediaStream apis to avoid name collisions
- - Rename GtkDropTarget properties to avoid name collisions
- - Make GtkPasswordEntryBuffer introspectable
-
-* Printing:
- - Remove the Google Cloud Print backend
-
-* Theme:
- - Sync included icons with the Adwaita icon theme
-
-* GSK:
- - Avoid overflowing the vertex counter
- - Handle negative scales correctly in the ngl renderer
-
-* GDK:
- - Cleanup and simplify OpenGL setup code
- - Add a GdkDisplay::init_gl vfunc and gdk_display_prepare_gl() api
- - Require EGL 1.4
- - Fix EGL + NVidia
-
-* Build:
- - Enable gstreamer by default
- - Disable Vulkan by default
- - Remove the sassc option
- - Remove options and checks for X11 extensions
-
-* X11:
- - Stop using XComposite
- - Remove the Visual cache
-
-* Wayland:
- - Fix some DND corner cases
- - Work with version 2 of pointer-gestures-v1
- - Look for cursor themes in $HOME/.icons
-
-* Windows:
- - Fix SIGILL on x64 due to popcnt
- - Fix popup placement
- - Fix drag icon placement
- - Clean up HiDPI and WGL support
- - Default to WGL
-
-* MacOs:
- - Fix input method support
- - Register known clipboard types for drop targets
- - Add initial DND support
-
-* Translation updates:
- Brazilian Portuguese
- Portuguese
- Romanian
- Turkish
- Ukrainian
-
-
-Overview of Changes in 4.3.1
-============================
-
-* GtkEmojiChooser:
- - Update data from CLDR 39
- - Load Emoji data for both language and territory
-
-* GtkCalendar:
- - Fix an off-by-one error in day numbers
-
-* GtkListView:
- - Add .activatable style class to activatable items
-
-* GtkCheckButton:
- - Don't allow unchecking grouped radio buttons
-
-*GtkToggleButton:
- - Fix mnemonic activation propagation
-
-* GtkLabel:
- - Make mnemonics work even when invisible
- - Fix mnemonic activation propagation
-
-* GtkMenuButton:
- - Add a property to mark primary menus and make F10 work
-
-* GtkApplication:
- - Fix initial screensaver state async
-
-* GtkEntry:
- - Apply xalign to placeholder text (as it was in GTK 3)
-
-* GtkSpinButton:
- - Fix swipe gestures
-
-* GtkStackSwitcher:
- - Implement GtkOrientable (as it was in GTK 3)
- - Fix a use-after-free problem with drag timeouts
-
-* GtkFileChooser:
- - Add support for (case-insensitive) suffix matches in GtkFileFilter
-
-* GtkPasswordEntry:
- - Make GtkPasswordEntryBuffer public, to make it easier
-   to write your own password entry widget
-
-* Input:
- - Fix interference between various obscure XKB features
-   (e.g. overlays) and Compose sequences
-
-* Action support:
- - Fix submenu-action handling
-
-* Theme:
- - Update icons from the Adwaita icon theme
- - Fix icon names for GtkSwitch
- - Fix switch-off icon
-
-* GSK:
- - Improve transformed offscreen rendering
- - Add padding between cached glyphs
-
-* Wayland:
- - Fix monitor sizes in the presence of transforms
- - Add a getter for the EGLDisplay
- - Fix click-drag-release sequences for popovers
-
-* X11:
- - Support EGL for X11. Fall back to GLX if EGL isn't available
- - Always fall back to GLX on NVidia
- - Add a getter for the EGLDisplay
-
-* Broadway:
- - Add a setter for display scale
-
-* Windows:
- - Add a getter for the EGLDisplay
- - Make GL work for media playback
-
-* MacOS:
- - Fix menubar appearance
-
-* Tools:
- - gtk4-builder-tool: Replace can-focus with focusable in 3-to-4 conversion
-
-* Introspection:
- - Add missing annotations in a few places (e.g. gtk_free_view_row_activated)
-
-* Build:
- - Only build one source file with -mf16c
- - Fix devel styling for ci flatpak builds
- - Generate appdata for demo flatpaks
-
-* Docs:
- - Numerous fixes and additions
-
-* Translation updates:
- Friulian
- Nepali
- Norwegian Bokmål
- Ukrainian
-
-
-Overview of Changes in 4.3.0
-============================
-
-* GtkVideo:
- - Detect stream metadata when using gstreamer
-
-* GtkFileChooser:
- - Fix a crash
-
-* GtkButton:
- - Add back visual feedback for keynav activation
-
-* GtkFontChooser:
- - Fix initial font selection
-
-* Text widgets:
- - Replace squiggly error underlines by dotted lines
- - Support translucent selections
-
-* GtkTextView:
- - Various improvements to rendering performance
-
-* GtkScrolledWindow:
- - Stop using scroll cursors
-
-* GtkMenuButton:
- - Make focus-on-click work
-
-* GtkToggleButton:
- - Make grouped buttons mutually exclusive
-
-* GtkPasswordEntry:
- - Use MADV_DONTDUMP for secure memory
-
-* GtkListBox:
- - Allow repeated selection extension for MULTIPLE
-
-* Themes:
- - Reorganize and rename included themes. The theme is now
-   called Default, with dark, hc and hc-dark variants.
-   Visually, the themes are unchanged.
- - The theme variants are also available as standalone
-   themes called Default-dark, etc.
- - The theme named Adwaita is moving to libadwaita
- - Fix resize border sizing
- - Fix solid-csd window decorations
-
-* Input:
- - Revert some Compose sequence changes (mainly around dead
-   acute and apostrophe)
- - Consume all key events during preedit, to avoid unexpected
-   interactions
- - Ignore more modifiers during preedit, to allow using 3rd and
-   5th level choosers
- - Fix handling of cursor positions in non-ASCII preedit text
- - Fix a problem with deferred focus setting
-
-* GdkClipboard:
- - Ensure strings are nul-terminated
-
-* GSK:
- - Improvements to the ngl renderer
-   - Fix offscreen rendering with transforms
-   - Fix downscaled textures
-   - Avoid huge intermediate textures
-   - Use fp16 for colors
-   - Optimize handling of underlines in text
-   - Fix corner cases of shadow rendering
- - Reorganize shader resources
- - Make shadow rendering match across renderers
-
-* Accessibility:
- - Various fixes to get Orca to speak (still a work in progress)
-
-* Wayland:
- - Improve font settings fallback
- - Avoid unintentional rendering freezes with popovers
- - Support the xdg_activation_v1 protocol
-
-* X11:
- - Don't beep on untrusted displays
- - Don't crash when popovers are outside the workarea
-
-* Windows:
- - Fix using GL rendering with Mesa drivers
-
-* Tools:
- - Add support for copy/paste in gtk4-node-editor
- - Make syntax highlighting work in the gtk4-demo flatpak
-
-* Inspector:
- - Enable the inspector by default, in all cases
- - Show keyboard layouts
- - Improve monitor information
-
-* Translation updates:
- Catalan
- Chinese (Taiwan)
- Dutch
- Nepali
- Polish
- Swedish
- Ukrainian
-
-
-Overview of Changes in 4.2.0
-============================
-
-* GtkFileChooser: Make the location entry work again
-
-* GtlLabel: Fix tooltips on links
-
-* GtkTextView: Make scrolling work better with renderers
-
-* X11:
- - Fix damage handling
- - Trap errors from the COW
-
-* Windows:
- - Use a visible scroll cursor
- - Include more icons for icon-theme-less situations
-
-* Wayland: Fix key event matching with mismatched layouts.
-  This was causing keyboard accelerators to trigger unexpectedly
-
-* Inspector: Allow inspecting Unicode
-
-* Input:
- - Improve dead key handling
- - Regenerate compose sequence table
-
-* gsk:
- - Fix a crash in the ngl renderer
- - Fix a rounding error in subpixel glyph positioning
- - ngl: Implement glyph cache eviction
- - ngl: Improve the glyph cache effectiveness
- - ngl: Fix uniform key mapping on Windows
- - Make the ngl renderer the default
-
-* build:
- - Fix build with cairo as subproject
- - Disable g_assert in release builds
- - Include gi-docgen as subproject
- - Include generated docs
-
-* Translation updates:
- Hebrew
- Hungarian
- Italian
- Polish
- Portuguese
- Swedish
- Ukrainian
-
-
 Overview of Changes in 4.1.2
 ============================

--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 GTK — The GTK toolkit
 =====================

-[![Build status](https://gitlab.gnome.org/GNOME/gtk/badges/main/pipeline.svg)](https://gitlab.gnome.org/GNOME/gtk/-/commits/main)
+[![Build status](https://gitlab.gnome.org/GNOME/gtk/badges/master/pipeline.svg)](https://gitlab.gnome.org/GNOME/gtk/-/commits/master)

 General information
 -------------------
@@ -10,12 +10,10 @@ GTK is a multi-platform toolkit for creating graphical user interfaces.
 Offering a complete set of widgets, GTK is suitable for projects ranging
 from small one-off projects to complete application suites.

-GTK is a free and open-source software project. The licensing terms
-for GTK, the GNU LGPL, allow it to be used by all developers, including those
-developing proprietary software, without any license fees or royalties.
-
-GTK is hosted by the GNOME project (thanks!) and used by a wide variety
-of applications and projects.
+GTK is free software and part of the GNU Project. However, the
+licensing terms for GTK, the GNU LGPL, allow it to be used by all
+developers, including those developing proprietary software, without any
+license fees or royalties.

 The official download location

@@ -38,13 +36,6 @@ Nightly documentation can be found at
  - Gdk: https://gnome.pages.gitlab.gnome.org/gtk/gdk4/
  - Gsk: https://gnome.pages.gitlab.gnome.org/gtk/gsk4/

-Nightly flatpaks of our demos can be installed from the
-[GNOME Nightly](https://wiki.gnome.org/Apps/Nightly) repository:
-  - `flatpak remote-add --if-not-exists gnome-nightly https://nightly.gnome.org/gnome-nightly.flatpakrepo`
-  - `flatpak install gnome-nightly org.gtk.Demo4`
-  - `flatpak install gnome-nightly org.gtk.WidgetFactory4`
-  - `flatpak install gnome-nightly org.gtk.IconBrowser4`
-
 Building and installing
 -----------------------

@@ -114,21 +105,7 @@ can be found in the file:
 docs/reference/gtk/html/gtk-building.html
 ```

-Or [online](https://docs.gtk.org/gtk4/building.html)
-
-Default branch renamed to `main`
--------------------------------
-
-The default development branch of GTK has been renamed to `main`.
-To update your local checkout, use:
-```sh
-git checkout master
-git branch -m master main
-git fetch
-git branch --unset-upstream
-git branch -u origin/main
-git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main
-```
+Or [online](https://developer.gnome.org/gtk4/stable/gtk-building.html)

 How to report bugs
 ------------------
@@ -167,17 +144,14 @@ Contributing to GTK
 Please, follow the [contribution guide](./CONTRIBUTING.md) to know how to
 start contributing to GTK.

-If you want to support GTK financially, please consider donating to
-the GNOME project, which runs the infrastructure hosting GTK.
-
 Release notes
 -------------

 The release notes for GTK are part of the migration guide in the API
 reference. See:

- - [3.x release notes](https://developer.gnome.org/gtk3/stable/gtk-migrating-2-to-3.html)
- - [4.x release notes](https://docs.gtk.org/gtk4/migrating-3to4.html)
+ - [3.x release notes](https://developer.gnome.org/gtk3/unstable/gtk-migrating-2-to-3.html)
+ - [4.x release notes](https://developer.gnome.org/gtk4/unstable/gtk-migrating-3-to-4.html)

 Licensing terms
 ---------------
--- a/build-aux/flatpak/lua-5.1.5-so.patch
+++ b/build-aux/flatpak/lua-5.1.5-so.patch
@@ -1,43 +0,0 @@
-diff -ur lua-5.1.4/src/Makefile lua-5.1.4-new/src/Makefile
--- lua-5.1.4/src/Makefile	2008-01-19 20:37:58.000000000 +0100
-+++ lua-5.1.4-new/src/Makefile	2012-02-23 18:26:43.000000000 +0100
-@@ -23,6 +23,7 @@
- PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
- 
- LUA_A=	liblua.a
-+LUA_SO=	liblua.so
- CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
- 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
- 	lundump.o lvm.o lzio.o
-@@ -36,7 +37,7 @@
- LUAC_O=	luac.o print.o
- 
- ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
-ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
-+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
- ALL_A= $(LUA_A)
- 
- default: $(PLAT)
-@@ -51,6 +52,11 @@
- 	$(AR) $@ $?
- 	$(RANLIB) $@
- 
-+$(LUA_SO): $(CORE_O) $(LIB_O)
-+	$(CC) -shared -ldl -Wl,-soname,$(LUA_SO).$(V) -o $@.$(R) $? -lm $(MYLDFLAGS)
-+	ln -sf $(LUA_SO).$(R) $(LUA_SO).$(V)
-+	ln -sf $(LUA_SO).$(R) $(LUA_SO)
-+
- $(LUA_T): $(LUA_O) $(LUA_A)
- 	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
- 
--- lua-5.1.4/Makefile	2008-08-12 02:40:48.000000000 +0200
-+++ lua-5.1.4-new/Makefile	2012-02-23 19:06:32.000000000 +0100
-@@ -53,7 +53,7 @@
- all:	$(PLAT)
- 
- $(PLATS) clean:
-	cd src && $(MAKE) $@
-+	cd src && $(MAKE) $@ V=$(V) R=$(R)
- 
- test:	dummy
- 	src/lua test/hello.lua
--- a/build-aux/flatpak/org.gtk.Demo4.json
+++ b/build-aux/flatpak/org.gtk.Demo4.json
@@ -93,92 +93,6 @@
                }
            ]
        },
-        {
-            "name": "boost",
-            "buildsystem": "simple",
-            "build-commands": [
-                "./bootstrap.sh --prefix=/app --with-libraries=date_time,filesystem,iostreams,locale,regex,system,thread,python,program_options,test,serialization",
-                "./b2 --build-type=minimal link=shared -j $FLATPAK_BUILDER_N_JOBS",
-                "./b2 --build-type=minimal link=shared install"
-             ],
-             "sources": [
-                 {
-                     "type": "archive",
-                     "url": "https://boostorg.jfrog.io/artifactory/main/release/1.69.0/source/boost_1_69_0.tar.bz2",
-                     "sha256": "8f32d4617390d1c2d16f26a27ab60d97807b35440d45891fa340fc2648b04406"
-                 }
-            ]
-        },
-        {
-            "name": "lua-5.1",
-            "buildsystem": "simple",
-            "build-commands": [
-                "make -j $FLATPAK_BUILDER_N_JOBS CFLAGS=\"$CFLAGS -fPIC -DLUA_USE_LINUX\" linux",
-                "make INSTALL_TOP=$FLATPAK_DEST TO_LIB='liblua.a liblua.so.5.1.5' install",
-                "ln -sf liblua.so.5.1.5 $FLATPAK_DEST/lib/liblua.so",
-                "ln -sf liblua.so.5.1.5 $FLATPAK_DEST/lib/liblua.so.5.1",
-                "install -Dm0644 etc/lua.pc $FLATPAK_DEST/lib/pkgconfig/lua.pc",
-                "ln -sf lua.pc $FLATPAK_DEST/lib/pkgconfig/lua51.pc",
-                "ln -sf lua.pc $FLATPAK_DEST/lib/pkgconfig/lua5.1.pc",
-                "ln -sf lua.pc $FLATPAK_DEST/lib/pkgconfig/lua-5.1.pc"
-            ],
-            "sources": [
-                {
-                    "type": "archive",
-                    "url": "https://www.lua.org/ftp/lua-5.1.5.tar.gz",
-                    "sha256": "2640fc56a795f29d28ef15e13c34a47e223960b0240e8cb0a82d9b0738695333"
-                },
-                {
-                    "type": "patch",
-                    "path": "lua-5.1.5-so.patch"
-                },
-                {
-                    "type": "shell",
-                    "commands": [
-                        "sed -i \"s|/usr/local|$FLATPAK_DEST|\" etc/lua.pc src/luaconf.h"
-                    ]
-                }
-            ],
-            "cleanup": [
-                "*.a",
-                "/bin",
-                "/include",
-                "/lib/pkgconfig",
-                "/man"
-            ]
-        },
-        {
-            "name" : "highlight",
-            "buildsystem" : "simple",
-            "builddir" : true,
-            "build-commands" : [
-                "sed -i -e 's#^PREFIX = /usr#PREFIX = /app#' makefile",
-                "make",
-                "make install"
-            ],
-            "sources" : [
-                {
-                    "type" : "archive",
-                    "url" : "http://www.andre-simon.de/zip/highlight-4.0.tar.bz2",
-                    "sha256" : "f40dcba26e011a2c67df874f4d9b0238c2c6b065163ce8de3d8371b9dfce864d"
-                }
-            ]
-        },
-        {
-            "name" : "pango",
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "config-opts" : [
-                "--libdir=/app/lib"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
-                    "branch" : "main"
-                }
-            ]
-        },
        {
            "name" : "gtk",
            "buildsystem" : "meson",
@@ -192,8 +106,7 @@
            "sources" : [
                {
                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git",
-                    "branch" : "main"
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                }
            ]
        }
--- a/build-aux/flatpak/org.gtk.IconBrowser4.json
+++ b/build-aux/flatpak/org.gtk.IconBrowser4.json
@@ -93,21 +93,6 @@
                }
            ]
        },
-        {
-            "name" : "pango",
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "config-opts" : [
-                "--libdir=/app/lib"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
-                    "branch" : "main"
-                }
-            ]
-        },
        {
            "name" : "gtk",
            "buildsystem" : "meson",
@@ -121,8 +106,7 @@
            "sources" : [
                {
                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git",
-                    "branch" : "main"
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                }
            ]
        }
--- a/build-aux/flatpak/org.gtk.WidgetFactory4.json
+++ b/build-aux/flatpak/org.gtk.WidgetFactory4.json
@@ -93,21 +93,6 @@
                }
            ]
        },
-        {
-            "name" : "pango",
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "config-opts" : [
-                "--libdir=/app/lib"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/pango.git",
-                    "branch" : "main"
-                }
-            ]
-        },
        {
            "name" : "gtk",
            "buildsystem" : "meson",
@@ -121,8 +106,7 @@
            "sources" : [
                {
                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git",
-                    "branch" : "main"
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                }
            ]
        }
--- a/build-aux/meson/dist-data.py
+++ b/build-aux/meson/dist-data.py
@@ -1,39 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import shutil
-import subprocess
-
-from pathlib import PurePath
-
-
-stylesheets = [
-    'gtk/theme/Default/Default-light.css',
-    'gtk/theme/Default/Default-dark.css',
-    'gtk/theme/Default/Default-hc.css',
-    'gtk/theme/Default/Default-hc-dark.css',
-]
-
-references = [
-    'docs/reference/gtk/gtk4',
-    'docs/reference/gsk/gsk4',
-    'docs/reference/gdk/gdk4',
-    'docs/reference/gdk/gdk4-wayland',
-    'docs/reference/gdk/gdk4-x11',
-]
-
-sourceroot = os.environ.get('MESON_SOURCE_ROOT')
-buildroot = os.environ.get('MESON_BUILD_ROOT')
-distroot = os.environ.get('MESON_DIST_ROOT')
-
-for stylesheet in stylesheets:
-    stylesheet_path = PurePath(stylesheet)
-    src = PurePath(sourceroot, stylesheet_path.with_suffix('.scss'))
-    dst = PurePath(distroot, stylesheet_path)
-    subprocess.call(['sassc', '-a', '-M', '-t', 'compact', src, dst])
-
-for reference in references:
-    src_path = os.path.join(buildroot, reference)
-    if os.path.isdir(src_path):
-        dst_path = os.path.join(distroot, reference)
-        shutil.copytree(src_path, dst_path)
--- a/build-aux/meson/dist-theme.py
+++ b/build-aux/meson/dist-theme.py
@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+import os
+from pathlib import PurePath
+import subprocess
+
+stylesheets = [ 'gtk/theme/Adwaita/Adwaita.css',
+                'gtk/theme/Adwaita/Adwaita-dark.css',
+                'gtk/theme/HighContrast/HighContrast.css',
+                'gtk/theme/HighContrast/HighContrast-dark.css' ]
+
+sourceroot = os.environ.get('MESON_SOURCE_ROOT')
+distroot = os.environ.get('MESON_DIST_ROOT')
+
+for stylesheet in stylesheets:
+  stylesheet_path = PurePath(stylesheet)
+  src = PurePath(sourceroot, stylesheet_path.with_suffix('.scss'))
+  dst = PurePath(distroot, stylesheet_path)
+  subprocess.call(['sassc', '-a', '-M', '-t', 'compact', src, dst])
--- a/build-aux/meson/gen-demo-header.py
+++ b/build-aux/meson/gen-demo-header.py
@@ -1,26 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import subprocess
-import sys
-
-repodir = sys.argv[1]
-profile = sys.argv[2]
-
-sys.stdout.write("/* This file is auto-generated. Do not edit. */\n")
-sys.stdout.write("#pragma once\n")
-sys.stdout.write("\n")
-sys.stdout.write(f"#define PROFILE \"{profile}\"\n")
-
-short_sha = os.environ.get('CI_COMMIT_SHORT_SHA')
-if short_sha is None:
-    cmd = ["git", "-C", repodir, "rev-parse", "--short", "HEAD"]
-    try:
-        with subprocess.Popen(cmd, stdout=subprocess.PIPE) as p:
-            short_sha = p.stdout.read().decode('utf-8').rstrip("\n")
-    except FileNotFoundError:
-        short_sha = ''
-        if profile != 'default':
-            short_sha = 'devel'
-
-sys.stdout.write(f"#define VCS_TAG \"{short_sha}\"\n")
--- a/config.h.meson
+++ b/config.h.meson
@@ -0,0 +1,281 @@
+/* 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
+
+/* Disable deprecation warnings from glib */
+#mesondefine GLIB_DISABLE_DEPRECATION_WARNINGS
+
+/* Define the location where the catalogs will be installed */
+#mesondefine GTK_LOCALEDIR
+
+/* Define to 1 if you have the `bind_textdomain_codeset' function. */
+#mesondefine HAVE_BIND_TEXTDOMAIN_CODESET
+
+/* Have the cloudproviders library */
+#mesondefine HAVE_CLOUDPROVIDERS
+
+/* define if we have colord */
+#mesondefine HAVE_COLORD
+
+/* Define to 1 if you have the <crt_externs.h> header file. */
+#mesondefine HAVE_CRT_EXTERNS_H
+
+/* Define to 1 if you have the `dcgettext' function. */
+#mesondefine HAVE_DCGETTEXT
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#mesondefine HAVE_DLFCN_H
+
+/* Have the ffmpeg library */
+#mesondefine HAVE_FFMPEG
+
+/* Define to 1 if you have the <ftw.h> header file. */
+#mesondefine HAVE_FTW_H
+
+/* Define to 1 if you have the `getpagesize' function. */
+#mesondefine HAVE_GETPAGESIZE
+
+/* Define to 1 if you have the `getresuid' function. */
+#mesondefine HAVE_GETRESUID
+
+/* Define if gio-unix is available */
+#mesondefine HAVE_GIO_UNIX
+
+/* Define if GStreamer support is available */
+#mesondefine HAVE_GSTREAMER
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#mesondefine HAVE_INTTYPES_H
+
+/* Define to 1 if the system has the type `IPrintDialogCallback'. */
+#mesondefine HAVE_IPRINTDIALOGCALLBACK
+
+/* Define to 1 if you have the <locale.h> header file. */
+#mesondefine HAVE_LOCALE_H
+
+/* Define to 1 if you have the `lstat' function. */
+#mesondefine HAVE_LSTAT
+
+/* Define to 1 if you have the `mallinfo' function. */
+#mesondefine HAVE_MALLINFO
+
+/* Define to 1 if you have the <memory.h> header file. */
+#mesondefine HAVE_MEMORY_H
+
+/* Define to 1 if you have the `mkstemp' function. */
+#mesondefine HAVE_MKSTEMP
+
+/* Define to 1 if you have the `mlock` function. */
+#mesondefine HAVE_MLOCK
+
+/* Define to 1 if you have a working `mmap' system call. */
+#mesondefine HAVE_MMAP
+
+/* Define to 1 if you have the `posix_fallocate' function. */
+#mesondefine HAVE_POSIX_FALLOCATE
+
+/* Have the Xrandr extension library */
+#mesondefine HAVE_RANDR
+
+/* Have the Xrandr 1.5 extension library */
+#mesondefine HAVE_RANDR15
+
+/* Define to 1 if you have the `sincos' function. */
+#mesondefine HAVE_SINCOS
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#mesondefine HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#mesondefine HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#mesondefine HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#mesondefine HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#mesondefine HAVE_SYS_MMAN_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#mesondefine HAVE_SYS_PARAM_H
+
+/* Have the sysprof-capture library */
+#mesondefine HAVE_SYSPROF
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#mesondefine HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#mesondefine HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#mesondefine HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#mesondefine HAVE_UNISTD_H
+
+/* Have the XCOMPOSITE X extension */
+#mesondefine HAVE_XCOMPOSITE
+
+/* Have the Xcursor library */
+#mesondefine HAVE_XCURSOR
+
+/* Have the XDAMAGE X extension */
+#mesondefine HAVE_XDAMAGE
+
+/* Have the XFIXES X extension */
+#mesondefine HAVE_XFIXES
+
+/* Define to 1 if XFree Xinerama is available */
+#mesondefine HAVE_XFREE_XINERAMA
+
+/* Have XGenericEvent */
+#mesondefine HAVE_XGENERICEVENTS
+
+/* Define to use XKB extension */
+#mesondefine HAVE_XKB
+
+/* Have the SYNC extension library */
+#mesondefine HAVE_XSYNC
+
+/* Define to 1 if you have the `_lock_file' function */
+#mesondefine HAVE__LOCK_FILE
+
+/* Define to 1 if you have the `flockfile' function */
+#mesondefine HAVE_FLOCKFILE
+
+/* Define if _NL_MEASUREMENT_MEASUREMENT is available */
+#mesondefine HAVE__NL_MEASUREMENT_MEASUREMENT
+
+/* Define if _NL_PAPER_HEIGHT is available */
+#mesondefine HAVE__NL_PAPER_HEIGHT
+
+/* Define if _NL_PAPER_WIDTH is available */
+#mesondefine HAVE__NL_PAPER_WIDTH
+
+/* Define if _NL_TIME_FIRST_WEEKDAY is available */
+#mesondefine HAVE__NL_TIME_FIRST_WEEKDAY
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#mesondefine LT_OBJDIR
+
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#mesondefine NO_MINUS_C_MINUS_O
+
+/* Define to the address where bug reports for this package should be sent. */
+#mesondefine PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#mesondefine PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#mesondefine PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#mesondefine PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#mesondefine PACKAGE_URL
+
+/* Define to the version of this package. */
+#mesondefine PACKAGE_VERSION
+
+/* Use NSBundle functions to determine load paths for libraries, translations,
+   etc. */
+#mesondefine QUARTZ_RELOCATION
+
+/* Define to 1 if you have the ANSI C header files. */
+#mesondefine STDC_HEADERS
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
+/* Define to 1 if XInput 2.2 is available */
+#mesondefine XINPUT_2_2
+
+/* Define to 1 if the X Window System is missing or not being used. */
+#mesondefine X_DISPLAY_MISSING
+
+/* Enable large inode numbers on Mac OS X 10.5.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#mesondefine _FILE_OFFSET_BITS
+
+/* defines how to decorate public symbols while building */
+#mesondefine _GDK_EXTERN
+
+/* Define for large files, on AIX-style hosts. */
+#mesondefine _LARGE_FILES
+
+/* Define to 1 if on MINIX. */
+#mesondefine _MINIX
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#mesondefine _POSIX_1_SOURCE
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#mesondefine _POSIX_SOURCE
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#mesondefine gid_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#mesondefine uid_t
+
+/* Define to 1 if linux/memfd.h exists */
+#mesondefine HAVE_LINUX_MEMFD_H
+
+#mesondefine HAVE_LINUX_INPUT_H
+
+#mesondefine HAVE_DEV_EVDEV_INPUT_H
+
+#mesondefine GTK_SYSCONFDIR
+
+#mesondefine GTK_LOCALEDIR
+
+#mesondefine GTK_DATADIR
+
+#mesondefine GTK_LIBDIR
+
+#mesondefine GTK_PRINT_BACKENDS
+
+#mesondefine HAVE_CAIRO_SCRIPT_INTERPRETER
+
+#mesondefine HAVE_HARFBUZZ
+
+#mesondefine HAVE_PANGOFT
+
+#mesondefine ISO_CODES_PREFIX
+
+/* Define if tracker3 is available */
+#mesondefine HAVE_TRACKER3
--- a/demos/constraint-editor/meson.build
+++ b/demos/constraint-editor/meson.build
@@ -17,7 +17,7 @@ executable('gtk4-constraint-editor',
  c_args: common_cflags,
  dependencies: libgtk_dep,
  include_directories: confinc,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: false,
 )
--- a/demos/gtk-demo/clipboard.c
+++ b/demos/gtk-demo/clipboard.c
@@ -1,10 +1,12 @@
 /* Clipboard
 *
 * GdkClipboard is used for clipboard handling. This demo shows how to
- * copy and paste text, images, colors or files to and from the clipboard.
+ * copy and paste text to and from the clipboard.
 *
- * You can also use Drag-And-Drop to copy the data from the source to the
- * target.
+ * It also shows how to transfer images via the clipboard or via
+ * drag-and-drop, and how to make clipboard contents persist after
+ * the application exits. Clipboard persistence requires a clipboard
+ * manager to run.
 */

 #include <glib/gi18n.h>
@@ -12,103 +14,22 @@
 #include <string.h>
 #include "demoimage.h"

+static GtkWidget *window = NULL;
+
 static void
-copy_button_clicked (GtkStack *source_stack,
-                     gpointer  user_data)
+copy_button_clicked (GtkWidget *button,
+                     gpointer   user_data)
 {
+  GtkWidget *entry;
  GdkClipboard *clipboard;
-  const char *visible_child_name;
-  GtkWidget *visible_child;

-  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (source_stack));
+  entry = GTK_WIDGET (user_data);

-  visible_child = gtk_stack_get_visible_child (source_stack);
-  visible_child_name = gtk_stack_get_visible_child_name (source_stack);
+  /* Get the clipboard object */
+  clipboard = gtk_widget_get_clipboard (entry);

-  if (strcmp (visible_child_name, "Text") == 0)
-    {
-      gdk_clipboard_set_text (clipboard, gtk_editable_get_text (GTK_EDITABLE (visible_child)));
-    }
-  else if (strcmp (visible_child_name, "Image") == 0)
-    {
-      GtkWidget *child;
-
-      for (child = gtk_widget_get_first_child (visible_child); child; child = gtk_widget_get_next_sibling (child))
-        {
-          if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (child)))
-            {
-              GtkWidget *image = gtk_widget_get_first_child (child);
-              GdkPaintable *paintable = gtk_image_get_paintable (GTK_IMAGE (image));
-
-              if (GDK_IS_TEXTURE (paintable))
-                gdk_clipboard_set (clipboard, GDK_TYPE_TEXTURE, paintable);
-              else
-                gdk_clipboard_set (clipboard, GDK_TYPE_PAINTABLE, paintable);
-              break;
-            }
-        }
-    }
-  else if (strcmp (visible_child_name, "Color") == 0)
-    {
-      GdkRGBA color;
-
-      gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (visible_child), &color);
-      gdk_clipboard_set (clipboard, GDK_TYPE_RGBA, &color);
-    }
-  else if (strcmp (visible_child_name, "File") == 0)
-    {
-      gdk_clipboard_set (clipboard, G_TYPE_FILE, g_object_get_data (G_OBJECT (visible_child), "file"), NULL);
-    }
-  else
-    {
-      g_print ("TODO");
-    }
-}
-
-static void
-present_value (GtkStack     *dest_stack,
-               const GValue *value)
-{
-  GtkWidget *child;
-
-  if (G_VALUE_HOLDS (value, G_TYPE_FILE))
-    {
-      GFile *file;
-
-      gtk_stack_set_visible_child_name (dest_stack, "File");
-      child = gtk_stack_get_visible_child (dest_stack);
-
-      file = g_value_get_object (value);
-      g_object_set (child, "label", g_file_peek_path (file), NULL);
-    }
-  else if (G_VALUE_HOLDS (value, GDK_TYPE_RGBA))
-    {
-      GdkRGBA *color;
-
-      gtk_stack_set_visible_child_name (dest_stack, "Color");
-      child = gtk_widget_get_first_child (gtk_stack_get_visible_child (dest_stack));
-
-      color = g_value_get_boxed (value);
-      g_object_set (child, "rgba", color, NULL);
-    }
-  else if (G_VALUE_HOLDS (value, GDK_TYPE_TEXTURE) ||
-           G_VALUE_HOLDS (value, GDK_TYPE_PAINTABLE))
-    {
-      GdkPaintable *paintable;
-
-      gtk_stack_set_visible_child_name (dest_stack, "Image");
-      child = gtk_stack_get_visible_child (dest_stack);
-
-      paintable = g_value_get_object (value);
-      g_object_set (child, "paintable", paintable, NULL);
-    }
-  else if (G_VALUE_HOLDS (value, G_TYPE_STRING))
-    {
-      gtk_stack_set_visible_child_name (dest_stack, "Text");
-      child = gtk_stack_get_visible_child (dest_stack);
-
-      gtk_label_set_label (GTK_LABEL (child), g_value_get_string (value));
-    }
+  /* Set clipboard text */
+  gdk_clipboard_set_text (clipboard, gtk_editable_get_text (GTK_EDITABLE (entry)));
 }

 static void
@@ -116,259 +37,149 @@ paste_received (GObject      *source_object,
                GAsyncResult *result,
                gpointer      user_data)
 {
-  GtkStack *dest_stack = user_data;
  GdkClipboard *clipboard;
-  const GValue *value;
+  GtkWidget *entry;
+  char *text;
  GError *error = NULL;

  clipboard = GDK_CLIPBOARD (source_object);
+  entry = GTK_WIDGET (user_data);

-  value = gdk_clipboard_read_value_finish (clipboard, result, &error);
-  if (value)
+  /* Get the resulting text of the read operation */
+  text = gdk_clipboard_read_text_finish (clipboard, result, &error);
+
+  if (text)
    {
-      present_value (dest_stack, value);
+      /* Set the entry text */
+      gtk_editable_set_text (GTK_EDITABLE (entry), text);
+      g_free (text);
    }
  else
    {
-      g_print ("%s\n", error->message);
+      GtkWidget *dialog;
+
+      /* Show an error about why pasting failed.
+       * Usually you probably want to ignore such failures,
+       * but for demonstration purposes, we show the error.
+       */
+      dialog = gtk_message_dialog_new (GTK_WINDOW (window),
+                                       GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
+                                       GTK_MESSAGE_ERROR,
+                                       GTK_BUTTONS_CLOSE,
+                                       "Could not paste text: %s",
+                                       error->message);
+      g_signal_connect (dialog, "response",
+                        G_CALLBACK (gtk_window_destroy), NULL);
+      gtk_widget_show (dialog);
+
      g_error_free (error);
    }
 }

 static void
-paste_button_clicked (GtkStack *dest_stack,
-                      gpointer  user_data)
+paste_button_clicked (GtkWidget *button,
+                      gpointer   user_data)
 {
+  GtkWidget *entry;
  GdkClipboard *clipboard;
-  GdkContentFormats *formats;

-  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (dest_stack));
-  formats = gdk_clipboard_get_formats (clipboard);
+  entry = GTK_WIDGET (user_data);

-  if (gdk_content_formats_contain_gtype (formats, GDK_TYPE_TEXTURE))
-    gdk_clipboard_read_value_async (clipboard, GDK_TYPE_TEXTURE, 0, NULL, paste_received, dest_stack);
-  else if (gdk_content_formats_contain_gtype (formats, GDK_TYPE_PAINTABLE))
-    gdk_clipboard_read_value_async (clipboard, GDK_TYPE_PAINTABLE, 0, NULL, paste_received, dest_stack);
-  else if (gdk_content_formats_contain_gtype (formats, GDK_TYPE_RGBA))
-    gdk_clipboard_read_value_async (clipboard, GDK_TYPE_RGBA, 0, NULL, paste_received, dest_stack);
-  else if (gdk_content_formats_contain_gtype (formats, G_TYPE_FILE))
-    gdk_clipboard_read_value_async (clipboard, G_TYPE_FILE, 0, NULL, paste_received, dest_stack);
-  else if (gdk_content_formats_contain_gtype (formats, G_TYPE_STRING))
-    gdk_clipboard_read_value_async (clipboard, G_TYPE_STRING, 0, NULL, paste_received, dest_stack);
-}
+  /* Get the clipboard object */
+  clipboard = gtk_widget_get_clipboard (entry);

-static void
-update_copy_button_sensitivity (GtkWidget *source_stack)
-{
-  GtkButton *copy_button;
-  const char *visible_child_name;
-  GtkWidget *visible_child;
-  gboolean sensitive;
-
-  copy_button = GTK_BUTTON (g_object_get_data (G_OBJECT (source_stack), "copy-button"));
-
-  visible_child = gtk_stack_get_visible_child (GTK_STACK (source_stack));
-  visible_child_name = gtk_stack_get_visible_child_name (GTK_STACK (source_stack));
-  if (strcmp (visible_child_name, "Text") == 0)
-    {
-      sensitive = strlen (gtk_editable_get_text (GTK_EDITABLE (visible_child))) > 0;
-    }
-  else if (strcmp (visible_child_name, "Color") == 0 ||
-           strcmp (visible_child_name, "Image") == 0)
-    {
-      sensitive = TRUE;
-    }
-  else if (strcmp (visible_child_name, "File") == 0)
-    {
-      sensitive = g_object_get_data (G_OBJECT (visible_child), "file") != NULL;
-    }
-  else
-    {
-      sensitive = FALSE;
-    }
-
-  gtk_widget_set_sensitive (GTK_WIDGET (copy_button), sensitive);
-}
-
-static void
-source_changed_cb (GtkButton  *copy_button,
-                   GParamSpec *pspec,
-                   GtkWidget  *source_stack)
-{
-  update_copy_button_sensitivity (source_stack);
-}
-
-static void
-text_changed_cb (GtkButton  *copy_button,
-                 GParamSpec *pspec,
-                 GtkWidget  *entry)
-{
-  update_copy_button_sensitivity (gtk_widget_get_ancestor (entry, GTK_TYPE_STACK));
-}
-
-static void
-file_button_set_file (GtkButton *button,
-                      GFile     *file)
-{
-  gtk_label_set_label (GTK_LABEL (gtk_button_get_child (button)), g_file_peek_path (file));
-  g_object_set_data_full (G_OBJECT (button), "file", g_object_ref (file), g_object_unref);
-}
-
-static void
-file_chooser_response (GtkNativeDialog *dialog,
-                       int              response,
-                       GtkButton       *button)
-{
-  gtk_native_dialog_hide (dialog);
-
-  if (response == GTK_RESPONSE_ACCEPT)
-    {
-      GFile *file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (dialog));
-      file_button_set_file (button, file);
-      g_object_unref (file);
-
-      update_copy_button_sensitivity (gtk_widget_get_ancestor (GTK_WIDGET (button), GTK_TYPE_STACK));
-    }
-
-  gtk_native_dialog_destroy (dialog);
-}
-
-static void
-open_file_cb (GtkWidget *button)
-{
-  GtkFileChooserNative *chooser;
-
-  chooser = gtk_file_chooser_native_new ("Choose a file",
-                                         GTK_WINDOW (gtk_widget_get_ancestor (button, GTK_TYPE_WINDOW)),
-                                         GTK_FILE_CHOOSER_ACTION_OPEN,
-                                         "_Open",
-                                         "_Cancel");
-
-  g_signal_connect (chooser, "response", G_CALLBACK (file_chooser_response), button);
-  gtk_native_dialog_show (GTK_NATIVE_DIALOG (chooser));
-}
-
-static void
-update_paste_button_sensitivity (GdkClipboard *clipboard,
-                                 GtkWidget    *paste_button)
-{
-  GdkContentFormats *formats;
-  gboolean sensitive = FALSE;
-
-  formats = gdk_clipboard_get_formats (clipboard);
-
-  if (gdk_content_formats_contain_gtype (formats, G_TYPE_FILE) ||
-      gdk_content_formats_contain_gtype (formats, GDK_TYPE_RGBA) ||
-      gdk_content_formats_contain_gtype (formats, GDK_TYPE_TEXTURE) ||
-      gdk_content_formats_contain_gtype (formats, GDK_TYPE_PAINTABLE) ||
-      gdk_content_formats_contain_gtype (formats, G_TYPE_STRING))
-    sensitive = TRUE;
-
-  gtk_widget_set_sensitive (paste_button, sensitive);
-}
-
-static void
-unset_clipboard_handler (gpointer data)
-{
-  GdkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (data));
-
-  g_signal_handlers_disconnect_by_func (clipboard, update_paste_button_sensitivity, data);
-}
-
-static gboolean
-on_drop (GtkStack      *dest_stack,
-         const GValue  *value,
-         double         x,
-         double         y,
-         gpointer       data)
-{
-  present_value (dest_stack, value);
-  return TRUE;
-}
-
-static GdkContentProvider *
-drag_prepare (GtkDragSource *drag_source,
-              double         x,
-              double         y,
-              gpointer       data)
-{
-  GtkWidget *button;
-  GValue value = G_VALUE_INIT;
-
-  button = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (drag_source));
-
-  if (GTK_IS_TOGGLE_BUTTON (button))
-    {
-      GtkWidget *image = gtk_widget_get_first_child (button);
-      GdkPaintable *paintable = gtk_image_get_paintable (GTK_IMAGE (image));
-
-      if (GDK_IS_TEXTURE (paintable))
-        {
-          g_value_init (&value, GDK_TYPE_TEXTURE);
-          g_value_set_object (&value, paintable);
-        }
-      else
-        {
-          g_value_init (&value, GDK_TYPE_PAINTABLE);
-          g_value_set_object (&value, paintable);
-        }
-    }
-  else
-    {
-      GFile *file = g_object_get_data (G_OBJECT (button), "file");
-
-      if (file)
-        {
-          g_value_init (&value, G_TYPE_FILE);
-          g_value_set_object (&value, file);
-        }
-      else
-        return NULL;
-    }
-
-  return gdk_content_provider_new_for_value (&value);
+  /* Request the contents of the clipboard, contents_received will be
+     called when we do get the contents.
+   */
+  gdk_clipboard_read_text_async (clipboard, NULL, paste_received, entry);
 }

 GtkWidget *
 do_clipboard (GtkWidget *do_widget)
 {
-  static GtkWidget *window = NULL;
-
  if (!window)
    {
-      GtkBuilderScope *scope;
-      GtkBuilder *builder;
-      GtkWidget *button;
+      GtkWidget *vbox, *hbox;
+      GtkWidget *label;
+      GtkWidget *entry, *button;
+      GtkWidget *image;

-      scope = gtk_builder_cscope_new ();
-      gtk_builder_cscope_add_callback_symbols (GTK_BUILDER_CSCOPE (scope),
-                                               "copy_button_clicked", G_CALLBACK (copy_button_clicked),
-                                               "paste_button_clicked", G_CALLBACK (paste_button_clicked),
-                                               "source_changed_cb", G_CALLBACK (source_changed_cb),
-                                               "text_changed_cb", G_CALLBACK (text_changed_cb),
-                                               "open_file_cb", G_CALLBACK (open_file_cb),
-                                               "on_drop", G_CALLBACK (on_drop),
-                                               "drag_prepare", G_CALLBACK (drag_prepare),
-                                               NULL);
-
-      builder = gtk_builder_new ();
-      gtk_builder_set_scope (builder, scope);
-      gtk_builder_add_from_resource (builder, "/clipboard/clipboard.ui", NULL);
-
-      window = GTK_WIDGET (gtk_builder_get_object (builder, "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), "Clipboard");
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-      gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));

-      button = GTK_WIDGET (gtk_builder_get_object (builder, "copy_button"));
-      g_object_set_data (gtk_builder_get_object (builder, "source_stack"), "copy-button", button);
+      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+      gtk_widget_set_margin_start (vbox, 8);
+      gtk_widget_set_margin_end (vbox, 8);
+      gtk_widget_set_margin_top (vbox, 8);
+      gtk_widget_set_margin_bottom (vbox, 8);

-      button = GTK_WIDGET (gtk_builder_get_object (builder, "paste_button"));
-      g_signal_connect (gtk_widget_get_clipboard (button), "changed",
-                        G_CALLBACK (update_paste_button_sensitivity), button);
-      g_object_set_data_full (G_OBJECT (button), "clipboard-handler", button, unset_clipboard_handler);
+      gtk_window_set_child (GTK_WINDOW (window), vbox);

-      g_object_unref (builder);
-      g_object_unref (scope);
+      label = gtk_label_new ("\"Copy\" will copy the text\nin the entry to the clipboard");
+
+      gtk_box_append (GTK_BOX (vbox), label);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
+      gtk_widget_set_margin_start (hbox, 8);
+      gtk_widget_set_margin_end (hbox, 8);
+      gtk_widget_set_margin_top (hbox, 8);
+      gtk_widget_set_margin_bottom (hbox, 8);
+      gtk_box_append (GTK_BOX (vbox), hbox);
+
+      /* Create the first entry */
+      entry = gtk_entry_new ();
+      gtk_box_append (GTK_BOX (hbox), entry);
+
+      /* Create the button */
+      button = gtk_button_new_with_mnemonic (_("_Copy"));
+      gtk_box_append (GTK_BOX (hbox), button);
+      g_signal_connect (button, "clicked",
+                        G_CALLBACK (copy_button_clicked), entry);
+
+      label = gtk_label_new ("\"Paste\" will paste the text from the clipboard to the entry");
+      gtk_box_append (GTK_BOX (vbox), label);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
+      gtk_widget_set_margin_start (hbox, 8);
+      gtk_widget_set_margin_end (hbox, 8);
+      gtk_widget_set_margin_top (hbox, 8);
+      gtk_widget_set_margin_bottom (hbox, 8);
+      gtk_box_append (GTK_BOX (vbox), hbox);
+
+      /* Create the second entry */
+      entry = gtk_entry_new ();
+      gtk_box_append (GTK_BOX (hbox), entry);
+
+      /* Create the button */
+      button = gtk_button_new_with_mnemonic (_("_Paste"));
+      gtk_box_append (GTK_BOX (hbox), button);
+      g_signal_connect (button, "clicked",
+                        G_CALLBACK (paste_button_clicked), entry);
+
+      label = gtk_label_new ("Images can be transferred via the clipboard, too");
+      gtk_box_append (GTK_BOX (vbox), label);
+
+      hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
+      gtk_widget_set_margin_start (hbox, 8);
+      gtk_widget_set_margin_end (hbox, 8);
+      gtk_widget_set_margin_top (hbox, 8);
+      gtk_widget_set_margin_bottom (hbox, 8);
+      gtk_box_append (GTK_BOX (vbox), hbox);
+
+      /* Create the first image */
+      image = demo_image_new ("dialog-warning");
+      gtk_box_append (GTK_BOX (hbox), image);
+
+      /* Create the second image */
+      image = demo_image_new ("process-stop");
+      gtk_box_append (GTK_BOX (hbox), image);
+
+      /* Create the third image */
+      image = demo_image_new ("weather-clear");
+      gtk_box_append (GTK_BOX (hbox), image);
    }

  if (!gtk_widget_get_visible (window))
--- a/demos/gtk-demo/clipboard.ui
+++ b/demos/gtk-demo/clipboard.ui
@@ -1,288 +0,0 @@
-
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window">
-    <property name="resizable">1</property>
-    <property name="title">Clipboard</property>
-    <child>
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <property name="margin-start">12</property>
-        <property name="margin-end">12</property>
-        <property name="margin-top">12</property>
-        <property name="margin-bottom">12</property>
-        <property name="spacing">12</property>
-        <child>
-          <object class="GtkLabel">
-            <property name="label">“Copy” will copy the selected data the clipboard, “Paste” will show the current clipboard contents. You can also drag the data to the bottom.</property>
-            <property name="wrap">1</property>
-            <property name="max-width-chars">40</property>
-          </object>
-        </child>
-        <child>
-          <object class="GtkBox">
-            <property name="spacing">12</property>
-            <child>
-              <object class="GtkDropDown" id="source_chooser">
-                <property name="valign">center</property>
-                <property name="model">
-                  <object class="GtkStringList">
-                    <items>
-                      <item>Text</item>
-                      <item>Color</item>
-                      <item>Image</item>
-                      <item>File</item>
-                    </items>
-                  </object>
-                </property>
-              </object>
-            </child>
-            <child>
-              <object class="GtkStack" id="source_stack">
-                <signal name="notify::visible-child" handler="source_changed_cb" object="copy_button"/>
-                <property name="vexpand">1</property>
-                <binding name="visible-child-name">
-                  <lookup name="string" type="GtkStringObject">
-                    <lookup name="selected-item">
-                      source_chooser
-                    </lookup>
-                  </lookup>
-                </binding>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Text</property>
-                    <property name="child">
-                      <object class="GtkEntry" id="source_text">
-                        <property name="valign">center</property>
-                        <signal name="notify::text" handler="text_changed_cb" object="copy_button"/>
-                        <property name="text">Copy this!</property>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Color</property>
-                    <property name="child">
-                      <object class="GtkColorButton" id="source_color">
-                        <property name="valign">center</property>
-                        <property name="rgba">purple</property>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Image</property>
-                    <property name="child">
-                      <object class="GtkBox">
-                        <property name="valign">center</property>
-                        <style>
-                          <class name="linked"/>
-                        </style>
-                        <child>
-                          <object class="GtkToggleButton" id="image_rose">
-                            <property name="active">1</property>
-                            <child>
-                              <object class="GtkDragSource">
-                                <signal name="prepare" handler="drag_prepare"/>
-                              </object>
-                            </child>
-                            <child>
-                              <object class="GtkImage">
-                                <style>
-                                  <class name="large-icons"/>
-                                </style>
-                                <property name="paintable">resource:///transparent/portland-rose.jpg</property>
-                              </object>
-                            </child>
-                          </object>
-                        </child>
-                        <child>
-                          <object class="GtkToggleButton" id="image_floppy">
-                            <property name="group">image_rose</property>
-                            <child>
-                              <object class="GtkDragSource">
-                                <signal name="prepare" handler="drag_prepare"/>
-                              </object>
-                            </child>
-                            <child>
-                              <object class="GtkImage">
-                                <style>
-                                  <class name="large-icons"/>
-                                </style>
-                                <property name="paintable">resource:///images/floppybuddy.gif</property>
-                              </object>
-                            </child>
-                          </object>
-                        </child>
-                        <child>
-                          <object class="GtkToggleButton" id="image_logo">
-                            <property name="group">image_floppy</property>
-                            <child>
-                              <object class="GtkDragSource">
-                                <signal name="prepare" handler="drag_prepare"/>
-                              </object>
-                            </child>
-                            <child>
-                              <object class="GtkImage">
-                                <style>
-                                  <class name="large-icons"/>
-                                </style>
-                                <property name="paintable">resource:///images/org.gtk.Demo4.svg</property>
-                              </object>
-                            </child>
-                          </object>
-                        </child>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">File</property>
-                    <property name="child">
-                      <object class="GtkButton" id="source_file">
-                        <child>
-                          <object class="GtkDragSource">
-                            <property name="propagation-phase">capture</property>
-                            <signal name="prepare" handler="drag_prepare"/>
-                          </object>
-                        </child>
-                        <property name="valign">center</property>
-                        <property name="child">
-                          <object class="GtkLabel">
-                            <property name="label">—</property>
-                            <property name="xalign">0</property>
-                            <property name="ellipsize">start</property>
-                          </object>
-                        </property>
-                        <signal name="clicked" handler="open_file_cb"/>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-              </object>
-            </child>
-            <child>
-              <object class="GtkButton" id="copy_button">
-                <property name="valign">center</property>
-                <property name="label" translatable="yes">_Copy</property>
-                <signal name="clicked" handler="copy_button_clicked" object="source_stack"/>
-                <property name="use-underline">1</property>
-              </object>
-            </child>
-          </object>
-        </child>
-        <child>
-          <object class="GtkSeparator">
-          </object>
-        </child>
-        <child>
-          <object class="GtkBox">
-            <property name="spacing">12</property>
-            <child>
-              <object class="GtkDropTarget">
-                <property name="actions">copy</property>
-                <property name="formats">GdkTexture GdkPaintable GFile GdkRGBA gchararray</property>
-                <signal name="drop" handler="on_drop" object="dest_stack"/>
-              </object>
-            </child>
-            <child>
-              <object class="GtkButton" id="paste_button">
-                <property name="label" translatable="yes">_Paste</property>
-                <signal name="clicked" handler="paste_button_clicked" object="dest_stack"/>
-                <property name="use-underline">1</property>
-              </object>
-            </child>
-            <child>
-              <object class="GtkLabel">
-                <property name="xalign">0</property>
-                <binding name="label">
-                  <lookup name="visible-child-name" type="GtkStack">
-                    dest_stack
-                  </lookup>
-                </binding>
-              </object>
-            </child>
-            <child>
-              <object class="GtkStack" id="dest_stack">
-                <property name="halign">end</property>
-                <property name="valign">center</property>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name"></property>
-                    <property name="child">
-                      <object class="GtkLabel">
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Text</property>
-                    <property name="child">
-                      <object class="GtkLabel">
-                        <property name="halign">end</property>
-                        <property name="valign">center</property>
-                        <property name="xalign">0</property>
-                        <property name="ellipsize">end</property>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Image</property>
-                    <property name="child">
-                      <object class="GtkImage">
-                        <property name="halign">end</property>
-                        <property name="valign">center</property>
-                        <style>
-                          <class name="large-icons"/>
-                        </style>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">Color</property>
-                    <property name="child">
-                      <object class="GtkBox">
-                        <property name="halign">end</property>
-                        <property name="valign">center</property>
-                        <child>
-                          <object class="GtkColorSwatch">
-                            <property name="accessible-role">img</property>
-                            <property name="can-focus">0</property>
-                            <property name="selectable">0</property>
-                            <property name="has-menu">0</property>
-                          </object>
-                        </child>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkStackPage">
-                    <property name="name">File</property>
-                    <property name="child">
-                      <object class="GtkLabel">
-                        <property name="halign">end</property>
-                        <property name="valign">center</property>
-                        <property name="xalign">0</property>
-                        <property name="hexpand">1</property>
-                        <property name="ellipsize">start</property>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-              </object>
-            </child>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>
--- a/demos/gtk-demo/demo.gresource.xml
+++ b/demos/gtk-demo/demo.gresource.xml
@@ -15,7 +15,6 @@
    <file>demo.ui</file>
  </gresource>
  <gresource prefix="/clipboard">
-    <file>clipboard.ui</file>
    <file>demoimage.c</file>
    <file>demoimage.h</file>
  </gresource>
@@ -129,9 +128,6 @@
    <file>gtkfishbowl.c</file>
    <file>gtkfishbowl.h</file>
  </gresource>
-  <gresource prefix="/frames">
-    <file>frames.ui</file>
-  </gresource>
  <gresource prefix="/gears">
    <file>gtkgears.c</file>
    <file>gtkgears.h</file>
@@ -280,7 +276,6 @@
    <file>fishbowl.c</file>
    <file>fixed.c</file>
    <file>flowbox.c</file>
-    <file>frames.c</file>
    <file>font_features.c</file>
    <file>fontplane.c</file>
    <file>fontrendering.c</file>
@@ -322,7 +317,6 @@
    <file>paintable_emblem.c</file>
    <file>paintable_mediastream.c</file>
    <file>paintable_svg.c</file>
-    <file>paintable_symbolic.c</file>
    <file>panes.c</file>
    <file>password_entry.c</file>
    <file>peg_solitaire.c</file>
--- a/demos/gtk-demo/demoimage.c
+++ b/demos/gtk-demo/demoimage.c
@@ -100,11 +100,7 @@ prepare_drag (GtkDragSource *source,
  DemoImage *demo = DEMO_IMAGE (widget);
  GdkPaintable *paintable = get_image_paintable (GTK_IMAGE (demo->image));

-  /* Textures can be serialized, paintables can't, so special case the textures */
-  if (GDK_IS_TEXTURE (paintable))
-    return gdk_content_provider_new_typed (GDK_TYPE_TEXTURE, paintable);
-  else
-    return gdk_content_provider_new_typed (GDK_TYPE_PAINTABLE, paintable);
+  return gdk_content_provider_new_typed (GDK_TYPE_PAINTABLE, paintable);
 }

 static gboolean
@@ -133,11 +129,7 @@ copy_image (GtkWidget *widget,
  GdkPaintable *paintable = get_image_paintable (GTK_IMAGE (demo->image));
  GValue value = G_VALUE_INIT;

-  /* Textures can be serialized, paintables can't, so special case the textures */
-  if (GDK_IS_TEXTURE (paintable))
-    g_value_init (&value, GDK_TYPE_TEXTURE);
-  else
-    g_value_init (&value, GDK_TYPE_PAINTABLE);
+  g_value_init (&value, GDK_TYPE_PAINTABLE);
  g_value_set_object (&value, paintable);
  gdk_clipboard_set_value (clipboard, &value);
  g_value_unset (&value);
@@ -146,46 +138,24 @@ copy_image (GtkWidget *widget,
    g_object_unref (paintable);
 }

-static void
-paste_image_cb (GObject      *source,
-                GAsyncResult *result,
-                gpointer      data)
-{
-  GdkClipboard *clipboard = GDK_CLIPBOARD (source);
-  DemoImage *demo = DEMO_IMAGE (data);
-  const GValue *value;
-
-  value = gdk_clipboard_read_value_finish (clipboard, result, NULL);
-  if (value == NULL)
-    {
-      gtk_widget_error_bell (GTK_WIDGET (demo));
-      g_object_unref (demo);
-      return;
-    }
-
-  gtk_image_set_from_paintable (GTK_IMAGE (demo->image), g_value_get_object (value));
-  g_object_unref (demo);
-}
-
 static void
 paste_image (GtkWidget *widget,
             const char *action_name,
             GVariant *parameter)
 {
  GdkClipboard *clipboard = gtk_widget_get_clipboard (widget);
-  GType type;
+  DemoImage *demo = DEMO_IMAGE (widget);
+  GdkContentProvider *content = gdk_clipboard_get_content (clipboard);
+  GValue value = G_VALUE_INIT;
+  GdkPaintable *paintable;

-  if (gdk_content_formats_contain_gtype (gdk_clipboard_get_formats (clipboard), GDK_TYPE_TEXTURE))
-    type = GDK_TYPE_TEXTURE;
-  else
-    type = GDK_TYPE_PAINTABLE;
+  g_value_init (&value, GDK_TYPE_PAINTABLE);
+  if (!gdk_content_provider_get_value (content, &value, NULL))
+    return;

-  gdk_clipboard_read_value_async (clipboard, 
-                                  type,
-                                  G_PRIORITY_DEFAULT,
-                                  NULL,
-                                  paste_image_cb,
-                                  g_object_ref (widget));
+  paintable = GDK_PAINTABLE (g_value_get_object (&value));
+  gtk_image_set_from_paintable (GTK_IMAGE (demo->image), paintable);
+  g_value_unset (&value);
 }

 static void
--- a/demos/gtk-demo/fishbowl.ui
+++ b/demos/gtk-demo/fishbowl.ui
@@ -13,13 +13,13 @@
            </style>
            <child>
              <object class="GtkButton">
-                <property name="icon-name">go-previous-symbolic</property>
+                <property name="icon-name">pan-start-symbolic</property>
                <signal name="clicked" handler="fishbowl_prev_button_clicked_cb" object="bowl" swapped="no"/>
              </object>
            </child>
            <child>
              <object class="GtkButton">
-                <property name="icon-name">go-next-symbolic</property>
+                <property name="icon-name">pan-end-symbolic</property>
                <signal name="clicked" handler="fishbowl_next_button_clicked_cb" object="bowl" swapped="no"/>
              </object>
            </child>
--- a/demos/gtk-demo/font-features.ui
+++ b/demos/gtk-demo/font-features.ui
@@ -10,8 +10,12 @@
          <object class="GtkButton" id="reset">
            <property name="receives-default">1</property>
            <property name="tooltip-text">Reset</property>
-            <property name="icon-name">view-refresh-symbolic</property>
            <signal name="clicked" handler="font_features_reset_features" swapped="no"/>
+            <child>
+              <object class="GtkImage">
+                <property name="icon-name">view-refresh-symbolic</property>
+              </object>
+            </child>
          </object>
        </child>
      </object>
@@ -45,7 +49,9 @@
                          <object class="GtkLabel">
                            <property name="xalign">0</property>
                            <property name="label" translatable="yes">Font Features</property>
-                            <property name="attributes" translatable="yes">0 -1 weight bold</property>
+                            <attributes>
+                              <attribute name="weight" value="bold"></attribute>
+                            </attributes>
                          </object>
                        </child>
                        <child>
@@ -73,7 +79,9 @@
                          <object class="GtkLabel" id="variations_heading">
                            <property name="label" translatable="yes">Font Variations</property>
                            <property name="xalign">0</property>
-                            <property name="attributes" translatable="yes">0 -1 weight bold</property>
+                            <attributes>
+                              <attribute name="weight" value="bold"></attribute>
+                            </attributes>
                          </object>
                        </child>
                        <child>
--- a/demos/gtk-demo/font_features.c
+++ b/demos/gtk-demo/font_features.c
@@ -1136,7 +1136,7 @@ done:
  g_free (design_coords);
 }

-G_MODULE_EXPORT void
+void
 font_features_font_changed (void)
 {
  update_script_combo ();
@@ -1144,14 +1144,14 @@ font_features_font_changed (void)
  update_font_variations ();
 }

-G_MODULE_EXPORT void
+void
 font_features_script_changed (void)
 {
  update_features ();
  update_display ();
 }

-G_MODULE_EXPORT void
+void
 font_features_reset_features (void)
 {
  GList *l;
@@ -1197,7 +1197,7 @@ switch_to_label (void)
  update_display ();
 }

-G_MODULE_EXPORT void
+void
 font_features_toggle_edit (void)
 {
  if (strcmp (gtk_stack_get_visible_child_name (GTK_STACK (stack)), "label") == 0)
@@ -1206,7 +1206,7 @@ font_features_toggle_edit (void)
    switch_to_label ();
 }

-G_MODULE_EXPORT void
+void
 font_features_stop_edit (void)
 {
  g_signal_emit_by_name (edit_toggle, "clicked");
--- a/demos/gtk-demo/fontify.c
+++ b/demos/gtk-demo/fontify.c
@@ -131,19 +131,6 @@ insert_tags_for_attributes (GtkTextBuffer     *buffer,
      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
    }

-#define VOID_ATTR(attr_name) \
-    { \
-      tag = gtk_text_tag_table_lookup (table, #attr_name); \
-      if (!tag) \
-        { \
-          tag = gtk_text_tag_new (#attr_name); \
-          g_object_set (tag, #attr_name, TRUE, NULL); \
-          gtk_text_tag_table_add (table, tag); \
-          g_object_unref (tag); \
-        } \
-      gtk_text_buffer_apply_tag (buffer, tag, start, end); \
-    }
-
  fg_alpha = bg_alpha = 1.;

  attrs = pango_attr_iterator_get_attrs (iter);
@@ -268,29 +255,6 @@ insert_tags_for_attributes (GtkTextBuffer     *buffer,
          INT_ATTR (insert_hyphens);
          break;

-        case PANGO_ATTR_LINE_HEIGHT:
-          FLOAT_ATTR (line_height);
-          break;
-
-        case PANGO_ATTR_ABSOLUTE_LINE_HEIGHT:
-          break;
-
-        case PANGO_ATTR_WORD:
-          VOID_ATTR (word);
-          break;
-
-        case PANGO_ATTR_SENTENCE:
-          VOID_ATTR (sentence);
-          break;
-
-        case PANGO_ATTR_BASELINE_SHIFT:
-          INT_ATTR (baseline_shift);
-          break;
-
-        case PANGO_ATTR_FONT_SCALE:
-          INT_ATTR (font_scale);
-          break;
-
        case PANGO_ATTR_SHAPE:
        case PANGO_ATTR_ABSOLUTE_SIZE:
        case PANGO_ATTR_GRAVITY:
@@ -299,10 +263,6 @@ insert_tags_for_attributes (GtkTextBuffer     *buffer,
        case PANGO_ATTR_BACKGROUND_ALPHA:
          break;

-        case PANGO_ATTR_TEXT_TRANSFORM:
-          INT_ATTR (text_transform);
-          break;
-
        case PANGO_ATTR_INVALID:
        default:
          g_assert_not_reached ();
--- a/demos/gtk-demo/fontrendering.c
+++ b/demos/gtk-demo/fontrendering.c
@@ -1,11 +1,6 @@
 /* Pango/Font Rendering
 *
- * Demonstrates various aspects of font rendering,
- * such as hinting, antialiasing and grid alignment.
- *
- * The demo lets you explore font rendering options
- * interactively to get a feeling for they affect the
- * shape and positioning of the glyphs.
+ * Demonstrates various aspects of font rendering.
 */

 #include <gtk/gtk.h>
@@ -15,21 +10,16 @@ static GtkWidget *font_button = NULL;
 static GtkWidget *entry = NULL;
 static GtkWidget *image = NULL;
 static GtkWidget *hinting = NULL;
-static GtkWidget *anti_alias = NULL;
 static GtkWidget *hint_metrics = NULL;
 static GtkWidget *up_button = NULL;
 static GtkWidget *down_button = NULL;
 static GtkWidget *text_radio = NULL;
 static GtkWidget *show_grid = NULL;
 static GtkWidget *show_extents = NULL;
-static GtkWidget *show_pixels = NULL;
-static GtkWidget *show_outlines = NULL;

 static PangoContext *context;

-static int scale = 7;
-static double pixel_alpha = 1.0;
-static double outline_alpha = 0.0;
+static int scale = 9;

 static void
 update_image (void)
@@ -37,7 +27,7 @@ update_image (void)
  const char *text;
  PangoFontDescription *desc;
  PangoLayout *layout;
-  PangoRectangle ink, logical;
+  PangoRectangle ink, pink, logical;
  int baseline;
  cairo_surface_t *surface;
  cairo_t *cr;
@@ -47,8 +37,6 @@ update_image (void)
  cairo_font_options_t *fopt;
  cairo_hint_style_t hintstyle;
  cairo_hint_metrics_t hintmetrics;
-  cairo_antialias_t antialias;
-  cairo_path_t *path;

  if (!context)
    context = gtk_widget_create_pango_context (image);
@@ -59,18 +47,16 @@ update_image (void)
  fopt = cairo_font_options_copy (pango_cairo_context_get_font_options (context));

  hint = gtk_combo_box_get_active_id (GTK_COMBO_BOX (hinting));
-  hintstyle = CAIRO_HINT_STYLE_DEFAULT;
-  if (hint)
-    {
-      if (strcmp (hint, "none") == 0)
-        hintstyle = CAIRO_HINT_STYLE_NONE;
-      else if (strcmp (hint, "slight") == 0)
-        hintstyle = CAIRO_HINT_STYLE_SLIGHT;
-      else if (strcmp (hint, "medium") == 0)
-        hintstyle = CAIRO_HINT_STYLE_MEDIUM;
-      else if (strcmp (hint, "full") == 0)
-        hintstyle = CAIRO_HINT_STYLE_FULL;
-    }
+  if (strcmp (hint, "none") == 0)
+    hintstyle = CAIRO_HINT_STYLE_NONE;
+  else if (strcmp (hint, "slight") == 0)
+    hintstyle = CAIRO_HINT_STYLE_SLIGHT;
+  else if (strcmp (hint, "medium") == 0)
+    hintstyle = CAIRO_HINT_STYLE_MEDIUM;
+  else if (strcmp (hint, "full") == 0)
+    hintstyle = CAIRO_HINT_STYLE_FULL;
+  else
+    hintstyle = CAIRO_HINT_STYLE_DEFAULT;
  cairo_font_options_set_hint_style (fopt, hintstyle);

  if (gtk_check_button_get_active (GTK_CHECK_BUTTON (hint_metrics)))
@@ -79,13 +65,6 @@ update_image (void)
    hintmetrics = CAIRO_HINT_METRICS_OFF;
  cairo_font_options_set_hint_metrics (fopt, hintmetrics);

-  if (gtk_check_button_get_active (GTK_CHECK_BUTTON (anti_alias)))
-    antialias = CAIRO_ANTIALIAS_GRAY;
-  else
-    antialias = CAIRO_ANTIALIAS_NONE;
-  cairo_font_options_set_antialias (fopt, antialias);
-
-  pango_context_set_round_glyph_positions (context, hintmetrics == CAIRO_HINT_METRICS_ON);
  pango_cairo_context_set_font_options (context, fopt);
  cairo_font_options_destroy (fopt);
  pango_context_changed (context);
@@ -96,6 +75,7 @@ update_image (void)
      pango_layout_set_font_description (layout, desc);
      pango_layout_set_text (layout, text, -1);
      pango_layout_get_extents (layout, &ink, &logical);
+      pink = ink;
      baseline = pango_layout_get_baseline (layout);

      pango_extents_to_pixels (&ink, NULL);
@@ -105,14 +85,10 @@ update_image (void)
      cairo_set_source_rgb (cr, 1, 1, 1);
      cairo_paint (cr);

-      cairo_set_source_rgba (cr, 0, 0, 0, pixel_alpha);
-
+      cairo_set_source_rgb (cr, 0, 0, 0);
      cairo_move_to (cr, 10, 10);
      pango_cairo_show_layout (cr, layout);

-      pango_cairo_layout_path (cr, layout);
-      path = cairo_copy_path (cr);
-
      cairo_destroy (cr);
      g_object_unref (layout);

@@ -151,7 +127,7 @@ update_image (void)

      if (gtk_check_button_get_active (GTK_CHECK_BUTTON (show_extents)))
        {
-          cairo_set_source_rgb (cr, 0, 0, 1);
+          cairo_set_source_rgba (cr, 0, 0, 1, 1);

          cairo_rectangle (cr,
                           scale * (10 + pango_units_to_double (logical.x)) - 0.5,
@@ -164,45 +140,17 @@ update_image (void)
          cairo_line_to (cr, scale * (10 + pango_units_to_double (logical.x + logical.width)) + 1,
                             scale * (10 + pango_units_to_double (baseline)) - 0.5);
          cairo_stroke (cr);
-          cairo_set_source_rgb (cr, 1, 0, 0);
+          cairo_set_source_rgba (cr, 1, 0, 0, 1);
          cairo_rectangle (cr,
-                           scale * (10 + ink.x) - 0.5,
-                           scale * (10 + ink.y) - 0.5,
-                           scale * ink.width + 1,
-                           scale * ink.height + 1);
+                           scale * (10 + pango_units_to_double (pink.x)) + 0.5,
+                           scale * (10 + pango_units_to_double (pink.y)) + 0.5,
+                           scale * pango_units_to_double (pink.width) - 1,
+                           scale * pango_units_to_double (pink.height) - 1);
          cairo_stroke (cr);
        }

-      for (int i = 0; i < path->num_data; i += path->data[i].header.length)
-        {
-          cairo_path_data_t *data = &path->data[i];
-          switch (data->header.type)
-            {
-            case CAIRO_PATH_CURVE_TO:
-              data[3].point.x *= scale; data[3].point.y *= scale;
-              data[2].point.x *= scale; data[2].point.y *= scale;
-              data[1].point.x *= scale; data[1].point.y *= scale;
-              break;
-            case CAIRO_PATH_LINE_TO:
-            case CAIRO_PATH_MOVE_TO:
-              data[1].point.x *= scale; data[1].point.y *= scale;
-              break;
-            case CAIRO_PATH_CLOSE_PATH:
-              break;
-            default:
-              g_assert_not_reached ();
-            }
-        }
-
-      cairo_set_source_rgba (cr, 0, 0, 0, outline_alpha);
-      cairo_move_to (cr, scale * 20 - 0.5, scale * 20 - 0.5);
-      cairo_append_path (cr, path);
-      cairo_stroke (cr);
-
      cairo_surface_destroy (surface);
      cairo_destroy (cr);
-
-      cairo_path_destroy (path);
    }
  else
    {
@@ -210,26 +158,10 @@ update_image (void)
      PangoLayoutRun *run;
      PangoGlyphInfo *g;
      int i, j;
-      GString *str;
-      gunichar ch;
-
-      if (*text == '\0')
-        text = " ";
-
-      ch = g_utf8_get_char (text);
-
-      str = g_string_new ("");
-
-      for (i = 0; i < 4; i++)
-        {
-          g_string_append_unichar (str, ch);
-          g_string_append_unichar (str, 0x200c);
-        }

      layout = pango_layout_new (context);
      pango_layout_set_font_description (layout, desc);
-      pango_layout_set_text (layout, str->str, -1);
-      g_string_free (str, TRUE);
+      pango_layout_set_text (layout, "aaaa", -1);
      pango_layout_get_extents (layout, &ink, &logical);
      pango_extents_to_pixels (&logical, NULL);

@@ -244,7 +176,7 @@ update_image (void)
      cairo_set_source_rgb (cr, 0, 0, 0);
      for (i = 0; i < 4; i++)
        {
-          g = &(run->glyphs->glyphs[2*i]);
+          g = &(run->glyphs->glyphs[i]);
          g->geometry.width = PANGO_UNITS_ROUND (g->geometry.width * 3 / 2);
        }

@@ -252,7 +184,7 @@ update_image (void)
        {
          for (i = 0; i < 4; i++)
            {
-              g = &(run->glyphs->glyphs[2*i]);
+              g = &(run->glyphs->glyphs[i]);
              g->geometry.x_offset = i * (PANGO_SCALE / 4);
              g->geometry.y_offset = j * (PANGO_SCALE / 4);
            }
@@ -271,6 +203,7 @@ update_image (void)
      cairo_surface_destroy (surface);
    }

+
  gtk_picture_set_pixbuf (GTK_PICTURE (image), pixbuf2);

  g_object_unref (pixbuf2);
@@ -278,78 +211,6 @@ update_image (void)
  pango_font_description_free (desc);
 }

-static gboolean fading = FALSE;
-static double start_pixel_alpha;
-static double end_pixel_alpha;
-static double start_outline_alpha;
-static double end_outline_alpha;
-static gint64 start_time;
-static gint64 end_time;
-
-static double
-ease_out_cubic (double t)
-{
-  double p = t - 1;
-  return p * p * p + 1;
-}
-
-static gboolean
-change_alpha (GtkWidget     *widget,
-              GdkFrameClock *clock,
-              gpointer       user_data)
-{
-  gint64 now = g_get_monotonic_time ();
-  double t;
-
-  t = ease_out_cubic ((now - start_time) / (double) (end_time - start_time));
-
-  pixel_alpha = start_pixel_alpha + (end_pixel_alpha - start_pixel_alpha) * t;
-  outline_alpha = start_outline_alpha + (end_outline_alpha - start_outline_alpha) * t;
-
-  update_image ();
-
-  if (now >= end_time)
-    {
-      fading = FALSE;
-      return G_SOURCE_REMOVE;
-    }
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-start_alpha_fade (void)
-{
-  gboolean pixels;
-  gboolean outlines;
-
-  if (fading)
-    return;
-
-  pixels = gtk_check_button_get_active (GTK_CHECK_BUTTON (show_pixels));
-  outlines = gtk_check_button_get_active (GTK_CHECK_BUTTON (show_outlines));
-
-  start_pixel_alpha = pixel_alpha;
-  if (pixels && outlines)
-    end_pixel_alpha = 0.5;
-  else if (pixels)
-    end_pixel_alpha = 1;
-  else
-    end_pixel_alpha = 0;
-
-  start_outline_alpha = outline_alpha;
-  if (outlines)
-    end_outline_alpha = 1.0;
-  else
-    end_outline_alpha = 0.0;
-
-  start_time = g_get_monotonic_time ();
-  end_time = start_time + G_TIME_SPAN_SECOND / 2;
-
-  fading = TRUE;
-  gtk_widget_add_tick_callback (window, change_alpha, NULL, NULL);
-}
-
 static void
 update_buttons (void)
 {
@@ -357,26 +218,20 @@ update_buttons (void)
  gtk_widget_set_sensitive (down_button, scale > 1);
 }

-static gboolean
-scale_up (GtkWidget *widget,
-          GVariant  *args,
-          gpointer   user_data)
+static void
+scale_up (void)
 {
  scale += 1;
  update_buttons ();
  update_image ();
-  return TRUE;
 }

-static gboolean
-scale_down (GtkWidget *widget,
-            GVariant  *args,
-            gpointer   user_data)
+static void
+scale_down (void)
 {
  scale -= 1;
  update_buttons ();
  update_image ();
-  return TRUE;
 }

 GtkWidget *
@@ -397,26 +252,20 @@ do_fontrendering (GtkWidget *do_widget)
      entry = GTK_WIDGET (gtk_builder_get_object (builder, "entry"));
      image = GTK_WIDGET (gtk_builder_get_object (builder, "image"));
      hinting = GTK_WIDGET (gtk_builder_get_object (builder, "hinting"));
-      anti_alias = GTK_WIDGET (gtk_builder_get_object (builder, "antialias"));
      hint_metrics = GTK_WIDGET (gtk_builder_get_object (builder, "hint_metrics"));
      text_radio = GTK_WIDGET (gtk_builder_get_object (builder, "text_radio"));
      show_grid = GTK_WIDGET (gtk_builder_get_object (builder, "show_grid"));
      show_extents = GTK_WIDGET (gtk_builder_get_object (builder, "show_extents"));
-      show_pixels = GTK_WIDGET (gtk_builder_get_object (builder, "show_pixels"));
-      show_outlines = GTK_WIDGET (gtk_builder_get_object (builder, "show_outlines"));

      g_signal_connect (up_button, "clicked", G_CALLBACK (scale_up), NULL);
      g_signal_connect (down_button, "clicked", G_CALLBACK (scale_down), NULL);
      g_signal_connect (entry, "notify::text", G_CALLBACK (update_image), NULL);
      g_signal_connect (font_button, "notify::font-desc", G_CALLBACK (update_image), NULL);
      g_signal_connect (hinting, "notify::active", G_CALLBACK (update_image), NULL);
-      g_signal_connect (anti_alias, "notify::active", G_CALLBACK (update_image), NULL);
      g_signal_connect (hint_metrics, "notify::active", G_CALLBACK (update_image), NULL);
      g_signal_connect (text_radio, "notify::active", G_CALLBACK (update_image), NULL);
      g_signal_connect (show_grid, "notify::active", G_CALLBACK (update_image), NULL);
      g_signal_connect (show_extents, "notify::active", G_CALLBACK (update_image), NULL);
-      g_signal_connect (show_pixels, "notify::active", G_CALLBACK (start_alpha_fade), NULL);
-      g_signal_connect (show_outlines, "notify::active", G_CALLBACK (start_alpha_fade), NULL);

      update_image ();

--- a/demos/gtk-demo/fontrendering.ui
+++ b/demos/gtk-demo/fontrendering.ui
@@ -1,8 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
+  <object class="GtkAdjustment" id="scale_adj">
+    <property name="upper">24</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">4</property>
+  </object>
  <object class="GtkWindow" id="window">
-    <property name="default-width">1024</property>
-    <property name="default-height">768</property>
+    <property name="default-width">1080</property>
+    <property name="default-height">430</property>
    <child type="titlebar">
      <object class="GtkHeaderBar">
        <child type="title">
@@ -82,119 +87,69 @@
              </object>
            </child>
            <child>
-              <object class="GtkCheckButton" id="show_pixels">
-                <property name="label">Show _Pixels</property>
-                <property name="use-underline">1</property>
-                <property name="active">1</property>
+              <object class="GtkLabel">
+                <property name="label">Hinting</property>
+                <property name="xalign">1</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
                <layout>
                  <property name="column">3</property>
-                  <property name="row">0</property>
                </layout>
              </object>
            </child>
            <child>
-              <object class="GtkCheckButton" id="show_outlines">
-                <property name="label">Show _Outline</property>
-                <property name="use-underline">1</property>
-                <layout>
-                  <property name="column">3</property>
-                  <property name="row">1</property>
-                </layout>
-              </object>
-            </child>
-            <child>
-              <object class="GtkBox">
-                <property name="spacing">6</property>
-                <child>
-                  <object class="GtkLabel">
-                    <property name="label">_Hinting</property>
-                    <property name="use-underline">1</property>
-                    <property name="mnemonic-widget">hinting</property>
-                    <style>
-                      <class name="dim-label"/>
-                    </style>
-                  </object>
-                </child>
-                <child>
-                  <object class="GtkComboBoxText" id="hinting">
-                    <property name="active">0</property>
-                    <property name="valign">center</property>
-                    <items>
-                      <item translatable="yes" id="none">None</item>
-                      <item translatable="yes" id="slight">Slight</item>
-                      <item translatable="yes" id="medium">Medium</item>
-                      <item translatable="yes" id="full">Full</item>
-                    </items>
-                  </object>
-                </child>
+              <object class="GtkComboBoxText" id="hinting">
+                <property name="active">0</property>
+                <property name="valign">center</property>
+                <items>
+                  <item translatable="yes" id="none">None</item>
+                  <item translatable="yes" id="slight">Slight</item>
+                  <item translatable="yes" id="medium">Medium</item>
+                  <item translatable="yes" id="full">Full</item>
+                </items>
                <layout>
                  <property name="column">4</property>
-                  <property name="column-span">2</property>
-                </layout>
-              </object>
-            </child>
-            <child>
-              <object class="GtkCheckButton" id="antialias">
-                <property name="label">_Antialias</property>
-                <property name="use-underline">1</property>
-                <property name="active">1</property>
-                <layout>
-                  <property name="column">4</property>
-                  <property name="row">1</property>
                </layout>
              </object>
            </child>
            <child>
              <object class="GtkCheckButton" id="hint_metrics">
-                <property name="label">Hint _Metrics</property>
-                <property name="use-underline">1</property>
+                <property name="label">Hint Metrics</property>
+                <layout>
+                  <property name="column">4</property>
+                  <property name="row">1</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkCheckButton" id="show_extents">
+                <property name="label">Show Extents</property>
+                <property name="active">1</property>
+                <layout>
+                  <property name="column">5</property>
+                  <property name="row">0</property>
+                </layout>
+              </object>
+            </child>
+            <child>
+              <object class="GtkCheckButton" id="show_grid">
+                <property name="active">1</property>
+                <property name="label">Show Grid</property>
                <layout>
                  <property name="column">5</property>
                  <property name="row">1</property>
                </layout>
              </object>
            </child>
-            <child>
-              <object class="GtkCheckButton" id="show_extents">
-                <property name="label">Show _Extents</property>
-                <property name="use-underline">1</property>
-                <layout>
-                  <property name="column">6</property>
-                  <property name="row">0</property>
-                </layout>
-              </object>
-            </child>
-            <child>
-              <object class="GtkCheckButton" id="show_grid">
-                <property name="label">Show _Grid</property>
-                <property name="use-underline">1</property>
-                <layout>
-                  <property name="column">6</property>
-                  <property name="row">1</property>
-                </layout>
-              </object>
-            </child>
            <child>
              <object class="GtkButton" id="up_button">
                <property name="icon-name">list-add-symbolic</property>
-                <property name="halign">center</property>
-                <property name="valign">center</property>
                <style>
                  <class name="circular"/>
                </style>
-                <child>
-                  <object class="GtkShortcutController">
-                    <property name="scope">managed</property>
-                    <child>
-                      <object class="GtkShortcut">
-                        <property name="trigger">&lt;Control&gt;plus</property>
-                        <property name="action">activate</property>
-                      </object>
-                    </child>
-                  </object>
-                </child>
                <layout>
-                  <property name="column">7</property>
+                  <property name="column">6</property>
                  <property name="row">0</property>
                </layout>
              </object>
@@ -202,24 +157,11 @@
            <child>
              <object class="GtkButton" id="down_button">
                <property name="icon-name">list-remove-symbolic</property>
-                <property name="halign">center</property>
-                <property name="valign">center</property>
                <style>
                  <class name="circular"/>
                </style>
-                <child>
-                  <object class="GtkShortcutController">
-                    <property name="scope">managed</property>
-                    <child>
-                      <object class="GtkShortcut">
-                        <property name="trigger">&lt;Control&gt;minus</property>
-                        <property name="action">activate</property>
-                      </object>
-                    </child>
-                  </object>
-                </child>
                <layout>
-                  <property name="column">7</property>
+                  <property name="column">6</property>
                  <property name="row">1</property>
                </layout>
              </object>
@@ -228,7 +170,7 @@
              <object class="GtkLabel">
                <property name="hexpand">1</property>
                <layout>
-                  <property name="column">8</property>
+                  <property name="column">7</property>
                </layout>
              </object>
            </child>
--- a/demos/gtk-demo/frames.c
+++ b/demos/gtk-demo/frames.c
@@ -1,165 +0,0 @@
-/* Benchmark/Frames
- *
- * This demo is intentionally as simple as possible, to see what
- * framerate the windowing system can deliver on its own.
- *
- * It does nothing but change the drawn color, for every frame.
- */
-
-#include <gtk/gtk.h>
-
-typedef struct
-{
-  GtkWidget parent_instance;
-
-  GdkRGBA color1;
-  GdkRGBA color2;
-  guint64 time2;
-  float t;
-
-  guint tick_cb;
-} ColorWidget;
-
-typedef struct
-{
-  GtkWidgetClass parent_class;
-} ColorWidgetClass;
-
-G_DEFINE_TYPE (ColorWidget, color_widget, GTK_TYPE_WIDGET)
-
-#define TIME_SPAN (3.0 * G_TIME_SPAN_SECOND)
-
-static gboolean
-change_color (GtkWidget     *widget,
-              GdkFrameClock *frame_clock,
-              gpointer       data)
-{
-  ColorWidget *color = (ColorWidget *)widget;
-  gint64 time;
-
-  time = gdk_frame_clock_get_frame_time (frame_clock);
-
-  if (time >= color->time2)
-    {
-      color->time2 = time + TIME_SPAN;
-
-      color->color1 = color->color2;
-      color->color2.red = g_random_double_range (0, 1);
-      color->color2.green = g_random_double_range (0, 1);
-      color->color2.blue = g_random_double_range (0, 1);
-      color->color2.alpha = 1;
-    }
-
-  color->t = 1 - (color->time2 - time) / TIME_SPAN;
-
-  gtk_widget_queue_draw (widget);
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-color_widget_snapshot (GtkWidget   *widget,
-                       GtkSnapshot *snapshot)
-{
-  ColorWidget *color = (ColorWidget *)widget;
-  float w, h;
-  GdkRGBA c;
-
-  w = gtk_widget_get_width (widget);
-  h = gtk_widget_get_height (widget);
-
-  c.red = (1 - color->t) * color->color1.red + color->t * color->color2.red;
-  c.green = (1 - color->t) * color->color1.green + color->t * color->color2.green;
-  c.blue = (1 - color->t) * color->color1.blue + color->t * color->color2.blue;
-  c.alpha = 1;
-
-  gtk_snapshot_append_color (snapshot, &c, &GRAPHENE_RECT_INIT (0, 0, w, h));
-}
-
-static void
-color_widget_init (ColorWidget *color)
-{
-  gtk_widget_add_tick_callback (GTK_WIDGET (color), change_color, NULL, NULL);
-  gtk_widget_set_hexpand (GTK_WIDGET (color), TRUE);
-  gtk_widget_set_vexpand (GTK_WIDGET (color), TRUE);
-}
-
-static void
-color_widget_class_init (ColorWidgetClass *class)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
-
-  widget_class->snapshot = color_widget_snapshot;
-}
-
-GtkWidget *
-color_widget_new (void)
-{
-  return g_object_new (color_widget_get_type (), NULL);
-}
-
-static gboolean
-update_fps_label (gpointer data)
-{
-  GtkWidget *label = GTK_WIDGET (data);
-  GdkFrameClock *frame_clock;
-
-  frame_clock = gtk_widget_get_frame_clock (label);
-
-  if (frame_clock)
-    {
-      char *fps;
-
-      fps = g_strdup_printf ("%.2f fps", gdk_frame_clock_get_fps (frame_clock));
-      gtk_label_set_label (GTK_LABEL (label), fps);
-      g_free (fps);
-    }
-  else
-    gtk_label_set_label (GTK_LABEL (label), "");
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-remove_id (gpointer data)
-{
-  guint id = GPOINTER_TO_UINT (data);
-
-  g_source_remove (id);
-}
-
-GtkWidget *
-do_frames (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkBuilder *builder;
-      GtkWidget *box;
-      GtkWidget *label;
-      guint id;
-
-      builder = gtk_builder_new_from_resource ("/frames/frames.ui");
-      window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-
-      label = GTK_WIDGET (gtk_builder_get_object (builder, "fps"));
-      box = GTK_WIDGET (gtk_builder_get_object (builder, "box"));
-
-      gtk_box_append (GTK_BOX (box), color_widget_new ());
-
-      id = g_timeout_add (500, update_fps_label, label);
-      g_object_set_data_full (G_OBJECT (label), "tick_cb",
-                              GUINT_TO_POINTER (id), remove_id);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}
--- a/demos/gtk-demo/frames.ui
+++ b/demos/gtk-demo/frames.ui
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window">
-    <property name="resizable">1</property>
-    <property name="default-width">600</property>
-    <property name="default-height">400</property>
-    <property name="title">Frames</property>
-    <child type="titlebar">
-      <object class="GtkHeaderBar" id="header">
-        <child type="end">
-          <object class="GtkLabel" id="fps">
-            <attributes>
-              <attribute name="font-features" value="tnum=1"/>
-            </attributes>
-          </object>
-        </child>
-      </object>
-    </child>
-    <child>
-      <object class="GtkBox" id="box">
-      </object>
-    </child>
-  </object>
-</interface>
--- a/demos/gtk-demo/gskshaderpaintable.c
+++ b/demos/gtk-demo/gskshaderpaintable.c
@@ -23,10 +23,13 @@
 #include "gskshaderpaintable.h"

 /**
- * GskShaderPaintable:
+ * SECTION:gskshaderpaintable
+ * @Short_description: Drawing with shaders
+ * @Title: GskShaderPaintable
+ * @see_also: #GdkPaintable
 *
- * `GskShaderPaintable` is an implementation of the `GdkPaintable` interface
- * that uses a `GskGLShader` to create pixels.
+ * GskShaderPaintable is an implementation of the #GdkPaintable interface
+ * 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
@@ -35,7 +38,7 @@
 *
 * Commonly, time is passed to shaders as a float uniform containing
 * the elapsed time in seconds. The convenience API
- * gsk_shader_paintable_update_time() can be called from a `GtkTickCallback`
+ * gsk_shader_paintable_update_time() can be called from a #GtkTickCallback
 * to update the time based on the frame time of the frame clock.
 */

@@ -183,7 +186,7 @@ gsk_shader_paintable_init (GskShaderPaintable *self)
 * pixels. The shader must not require input textures.
 * If @data is %NULL, all uniform values are set to zero.
 *
- * Returns: (transfer full): a new `GskShaderPaintable`
+ * Returns: (transfer full): a new #GskShaderPaintable
 */
 GdkPaintable *
 gsk_shader_paintable_new (GskGLShader *shader,
@@ -212,8 +215,8 @@ gsk_shader_paintable_new (GskGLShader *shader,

 /**
 * gsk_shader_paintable_set_shader:
- * @self: a `GskShaderPaintable`
- * @shader: the `GskGLShader` to use
+ * @self: a #GskShaderPaintable
+ * @shader: the #GskGLShader to use
 *
 * Sets the shader that the paintable will use
 * to create pixels. The shader must not require
@@ -238,11 +241,11 @@ gsk_shader_paintable_set_shader (GskShaderPaintable *self,

 /**
 * gsk_shader_paintable_get_shader:
- * @self: a `GskShaderPaintable`
+ * @self: a #GskShaderPaintable
 *
 * Returns the shader that the paintable is using.
 *
- * Returns: (transfer none): the `GskGLShader` that is used
+ * Returns: (transfer none): the #GskGLShader that is used
 */
 GskGLShader *
 gsk_shader_paintable_get_shader (GskShaderPaintable *self)
@@ -254,12 +257,12 @@ gsk_shader_paintable_get_shader (GskShaderPaintable *self)

 /**
 * gsk_shader_paintable_set_args:
- * @self: a `GskShaderPaintable`
+ * @self: a #GskShaderPaintable
 * @data: Data block with uniform data for the shader
 *
 * Sets the uniform data that will be passed to the
 * shader when rendering. The @data will typically
- * be produced by a `GskUniformDataBuilder`.
+ * be produced by a #GskUniformDataBuilder.
 *
 * Note that the @data should be considered immutable
 * after it has been passed to this function.
@@ -281,7 +284,7 @@ gsk_shader_paintable_set_args (GskShaderPaintable *self,

 /**
 * gsk_shader_paintable_get_args:
- * @self: a `GskShaderPaintable`
+ * @self: a #GskShaderPaintable
 *
 * Returns the uniform data set with
 * gsk_shader_paintable_get_args().
@@ -298,9 +301,9 @@ gsk_shader_paintable_get_args (GskShaderPaintable *self)

 /**
 * gsk_shader_paintable_update_time:
- * @self: a `GskShaderPaintable`
+ * @self: a #GskShaderPaintable
 * @time_idx: the index of the uniform for time in seconds as float
- * @frame_time: the current frame time, as returned by `GdkFrameClock`
+ * @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
@@ -308,7 +311,7 @@ gsk_shader_paintable_get_args (GskShaderPaintable *self)
 * index @time_idx, which will be set to the elapsed time
 * in seconds, since the first call to this function.
 *
- * This function is usually called from a `GtkTickCallback`.
+ * This function is usually called from a #GtkTickCallback.
 */
 void
 gsk_shader_paintable_update_time (GskShaderPaintable *self,
--- a/demos/gtk-demo/gtkfishbowl.c
+++ b/demos/gtk-demo/gtkfishbowl.c
@@ -74,9 +74,9 @@ gtk_fishbowl_init (GtkFishbowl *fishbowl)
 /**
 * gtk_fishbowl_new:
 *
- * Creates a new `GtkFishbowl`.
+ * Creates a new #GtkFishbowl.
 *
- * Returns: a new `GtkFishbowl`.
+ * Returns: a new #GtkFishbowl.
 */
 GtkWidget*
 gtk_fishbowl_new (void)
--- a/demos/gtk-demo/gtkgears.c
+++ b/demos/gtk-demo/gtkgears.c
@@ -874,8 +874,8 @@ gtk_gears_tick (GtkWidget     *widget,
 {
  GtkGears *gears = GTK_GEARS (widget);
  GtkGearsPrivate *priv = gtk_gears_get_instance_private (gears);
-  GdkFrameTimings *previous_timings;
-  gint64 previous_frame_time;
+  GdkFrameTimings *timings, *previous_timings;
+  gint64 previous_frame_time = 0;
  gint64 frame_time;
  gint64 history_start, history_len;
  gint64 frame;
@@ -915,6 +915,12 @@ gtk_gears_tick (GtkWidget     *widget,
        }
    }

+  timings = gdk_frame_clock_get_current_timings (frame_clock);
+  previous_timings = gdk_frame_clock_get_timings (frame_clock,
+                                                  gdk_frame_timings_get_frame_counter (timings) - 1);
+  if (previous_timings != NULL)
+    previous_frame_time = gdk_frame_timings_get_frame_time (previous_timings);
+
  return G_SOURCE_CONTINUE;
 }

--- a/demos/gtk-demo/gtkshadertoy.c
+++ b/demos/gtk-demo/gtkshadertoy.c
@@ -163,8 +163,8 @@ drag_update_cb (GtkGestureDrag *drag,

 static void
 drag_end_cb (GtkGestureDrag *drag,
-             double          dx,
-             double          dy,
+             gdouble         dx,
+             gdouble         dy,
             gpointer        user_data)
 {
  GtkShadertoy *shadertoy = GTK_SHADERTOY (user_data);
--- a/demos/gtk-demo/headerbar.c
+++ b/demos/gtk-demo/headerbar.c
@@ -18,6 +18,8 @@ do_headerbar (GtkWidget *do_widget)
  GtkWidget *header;
  GtkWidget *button;
  GtkWidget *box;
+  GtkWidget *image;
+  GIcon *icon;

  if (!window)
    {
@@ -30,14 +32,20 @@ do_headerbar (GtkWidget *do_widget)

      header = gtk_header_bar_new ();

-      button = gtk_button_new_from_icon_name ("mail-send-receive-symbolic");
+      button = gtk_button_new ();
+      icon = g_themed_icon_new ("mail-send-receive-symbolic");
+      image = gtk_image_new_from_gicon (icon);
+      g_object_unref (icon);
+      gtk_button_set_child (GTK_BUTTON (button), image);
      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), button);

      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
      gtk_widget_add_css_class (box, "linked");
-      button = gtk_button_new_from_icon_name ("go-previous-symbolic");
+      button = gtk_button_new ();
+      gtk_button_set_child (GTK_BUTTON (button), gtk_image_new_from_icon_name ("pan-start-symbolic"));
      gtk_box_append (GTK_BOX (box), button);
-      button = gtk_button_new_from_icon_name ("go-next-symbolic");
+      button = gtk_button_new ();
+      gtk_button_set_child (GTK_BUTTON (button), gtk_image_new_from_icon_name ("pan-end-symbolic"));
      gtk_box_append (GTK_BOX (box), button);

      gtk_header_bar_pack_start (GTK_HEADER_BAR (header), box);
--- a/demos/gtk-demo/hypertext.c
+++ b/demos/gtk-demo/hypertext.c
@@ -7,8 +7,7 @@
 * shows.
 *
 * We also demonstrate adding other things to a text view, such as
- * clickable icons and widgets which can also replace a character
- * (try copying the ghost text).
+ * clickable icons.
 */

 #include <gtk/gtk.h>
@@ -62,26 +61,12 @@ show_page (GtkTextView *text_view,
           int          page)
 {
  GtkTextBuffer *buffer;
-  GtkTextIter iter, start;
-  GtkTextMark *mark;
+  GtkTextIter iter;
  GtkWidget *child;
  GtkTextChildAnchor *anchor;
  GtkEventController *controller;
-  GtkTextTag *bold, *mono, *nobreaks;

  buffer = gtk_text_view_get_buffer (text_view);
-
-  bold = gtk_text_buffer_create_tag (buffer, NULL,
-                                     "weight", PANGO_WEIGHT_BOLD,
-                                     "scale", PANGO_SCALE_X_LARGE,
-                                     NULL);
-  mono = gtk_text_buffer_create_tag (buffer, NULL,
-                                     "family", "monospace",
-                                     NULL);
-  nobreaks = gtk_text_buffer_create_tag (buffer, NULL,
-                                         "allow-breaks", FALSE,
-                                         NULL);
-
  gtk_text_buffer_set_text (buffer, "", 0);
  gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
  gtk_text_buffer_begin_irreversible_action (buffer);
@@ -95,12 +80,13 @@ show_page (GtkTextView *text_view,
      gtk_text_buffer_insert (buffer, &iter, " can easily be realized with ", -1);
      insert_link (buffer, &iter, "tags", 2);
      gtk_text_buffer_insert (buffer, &iter, ".\n", -1);
-      gtk_text_buffer_insert (buffer, &iter, "Of course you can also embed Emoji 😋, ", -1);
-      gtk_text_buffer_insert (buffer, &iter, "icons ", -1);
+      gtk_text_buffer_insert (buffer, &iter,
+          "Of course you can also embed Emoji 😋, "
+          "icons ", -1);

      theme = gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)));
      icon = gtk_icon_theme_lookup_icon (theme,
-                                         "eye-not-looking-symbolic",
+                                         "microphone-sensitivity-high-symbolic",
                                         NULL,
                                         16,
                                         1,
@@ -114,31 +100,21 @@ show_page (GtkTextView *text_view,
      gtk_level_bar_set_value (GTK_LEVEL_BAR (child), 50);
      gtk_widget_set_size_request (child, 100, -1);
      gtk_text_view_add_child_at_anchor (text_view, child, anchor);
-      gtk_text_buffer_insert (buffer, &iter, " and labels with ", -1);
-      anchor = gtk_text_child_anchor_new_with_replacement ("👻");
-      gtk_text_buffer_insert_child_anchor (buffer, &iter, anchor);
-      child = gtk_label_new ("ghost");
-      gtk_text_view_add_child_at_anchor (text_view, child, anchor);
-      gtk_text_buffer_insert (buffer, &iter, " text.", -1);
+      gtk_text_buffer_insert (buffer, &iter, ".", -1);
    }
  else if (page == 2)
    {
-      mark = gtk_text_buffer_create_mark (buffer, "mark", &iter, TRUE);
+      GtkTextTag *tag;

-      gtk_text_buffer_insert_with_tags (buffer, &iter, "tag", -1, bold, NULL);
-      gtk_text_buffer_insert (buffer, &iter, " /", -1);
-
-      gtk_text_buffer_get_iter_at_mark (buffer, &start, mark);
-      gtk_text_buffer_apply_tag (buffer, nobreaks, &start, &iter);
-      gtk_text_buffer_insert (buffer, &iter, " ", -1);
-
-      gtk_text_buffer_move_mark (buffer, mark, &iter);
-      gtk_text_buffer_insert_with_tags (buffer, &iter, "tag", -1, mono, NULL);
-      gtk_text_buffer_insert (buffer, &iter, " /", -1);
-
-      gtk_text_buffer_get_iter_at_mark (buffer, &start, mark);
-      gtk_text_buffer_apply_tag (buffer, nobreaks, &start, &iter);
-      gtk_text_buffer_insert (buffer, &iter, " ", -1);
+      tag = gtk_text_buffer_create_tag (buffer, NULL,
+                                        "weight", PANGO_WEIGHT_BOLD,
+                                        "scale", PANGO_SCALE_X_LARGE,
+                                        NULL);
+      gtk_text_buffer_insert_with_tags (buffer, &iter, "tag", -1, tag, NULL);
+      tag = gtk_text_buffer_create_tag (buffer, NULL,
+                                        "family", "monospace",
+                                        NULL);
+      gtk_text_buffer_insert_with_tags (buffer, &iter, " / tag / ", -1, tag, NULL);

      anchor = gtk_text_buffer_create_child_anchor (buffer, &iter);
      child = gtk_image_new_from_icon_name ("audio-volume-high-symbolic");
@@ -156,26 +132,20 @@ show_page (GtkTextView *text_view,
          "behavior of mouse and key presses, “lock” a range of text so the "
          "user can't edit it, or countless other things.\n", -1);
      insert_link (buffer, &iter, "Go back", 1);
-
-      gtk_text_buffer_delete_mark (buffer, mark);
    }
  else if (page == 3)
    {
-      mark = gtk_text_buffer_create_mark (buffer, "mark", &iter, TRUE);
+      GtkTextTag *tag;

-      gtk_text_buffer_insert_with_tags (buffer, &iter, "hypertext", -1, bold, NULL);
-      gtk_text_buffer_insert (buffer, &iter, " /", -1);
-
-      gtk_text_buffer_get_iter_at_mark (buffer, &start, mark);
-      gtk_text_buffer_apply_tag (buffer, nobreaks, &start, &iter);
-      gtk_text_buffer_insert (buffer, &iter, " ", -1);
-
-      gtk_text_buffer_move_mark (buffer, mark, &iter);
-      gtk_text_buffer_insert_with_tags (buffer, &iter, "ˈhaɪ pərˌtɛkst", -1, mono, NULL);
-      gtk_text_buffer_insert (buffer, &iter, " /", -1);
-      gtk_text_buffer_get_iter_at_mark (buffer, &start, mark);
-      gtk_text_buffer_apply_tag (buffer, nobreaks, &start, &iter);
-      gtk_text_buffer_insert (buffer, &iter, " ", -1);
+      tag = gtk_text_buffer_create_tag (buffer, NULL,
+                                        "weight", PANGO_WEIGHT_BOLD,
+                                        "scale", PANGO_SCALE_X_LARGE,
+                                        NULL);
+      gtk_text_buffer_insert_with_tags (buffer, &iter, "hypertext", -1, tag, NULL);
+      tag = gtk_text_buffer_create_tag (buffer, NULL,
+                                        "family", "monospace",
+                                        NULL);
+      gtk_text_buffer_insert_with_tags (buffer, &iter, " / ˈhaɪ pərˌtɛkst / ", -1, tag, NULL);

      anchor = gtk_text_buffer_create_child_anchor (buffer, &iter);
      child = gtk_image_new_from_icon_name ("audio-volume-high-symbolic");
@@ -189,8 +159,6 @@ show_page (GtkTextView *text_view,
          "Machine-readable text that is not sequential but is organized "
          "so that related items of information are connected.\n", -1);
      insert_link (buffer, &iter, "Go back", 1);
-
-      gtk_text_buffer_delete_mark (buffer, mark);
    }
  gtk_text_buffer_end_irreversible_action (buffer);
 }
@@ -390,7 +358,7 @@ do_hypertext (GtkWidget *do_widget)

      sw = gtk_scrolled_window_new ();
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
-                                      GTK_POLICY_NEVER,
+                                      GTK_POLICY_AUTOMATIC,
                                      GTK_POLICY_AUTOMATIC);
      gtk_window_set_child (GTK_WINDOW (window), sw);
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), view);
--- a/demos/gtk-demo/iconscroll.c
+++ b/demos/gtk-demo/iconscroll.c
@@ -116,25 +116,20 @@ populate_emoji_text (void)
  GtkWidget *textview;
  GtkTextBuffer *buffer;
  GString *s;
-  GtkTextIter iter;

-  s = g_string_sized_new (500 * 30 * 4);
+  s = g_string_sized_new (1000 * 30 * 4);

-  for (int i = 0; i < 500; i++)
+  for (int i = 0; i < 1000; i++)
    {
      if (i % 2)
-        g_string_append (s, "<span underline=\"single\" underline_color=\"red\">x</span>");
+        g_string_append (s, "x");
      for (int j = 0; j < 30; j++)
-        {
-          g_string_append (s, "💓");
-          g_string_append (s, "<span underline=\"single\" underline_color=\"red\">x</span>");
-        }
+        g_string_append (s, "💓x");
      g_string_append (s, "\n");
    }

  buffer = gtk_text_buffer_new (NULL);
-  gtk_text_buffer_get_start_iter (buffer, &iter);
-  gtk_text_buffer_insert_markup (buffer, &iter, s->str, s->len);
+  gtk_text_buffer_set_text (buffer, s->str, s->len);

  g_string_free (s, TRUE);

--- a/demos/gtk-demo/iconscroll.ui
+++ b/demos/gtk-demo/iconscroll.ui
@@ -13,13 +13,13 @@
            </style>
            <child>
              <object class="GtkButton">
-                <property name="icon-name">go-previous-symbolic</property>
+                <property name="icon-name">pan-start-symbolic</property>
                <signal name="clicked" handler="iconscroll_prev_clicked_cb"/>
              </object>
            </child>
            <child>
              <object class="GtkButton">
-                <property name="icon-name">go-next-symbolic</property>
+                <property name="icon-name">pan-end-symbolic</property>
                <signal name="clicked" handler="iconscroll_next_clicked_cb"/>
              </object>
            </child>
--- a/demos/gtk-demo/listbox.c
+++ b/demos/gtk-demo/listbox.c
@@ -8,7 +8,7 @@
 #include <stdlib.h>
 #include <string.h>

-static GdkTexture *avatar_texture_other;
+static GdkPixbuf *avatar_pixbuf_other;
 static GtkWidget *window = NULL;

 #define GTK_TYPE_MESSAGE		  (gtk_message_get_type ())
@@ -196,9 +196,12 @@ gtk_message_row_update (GtkMessageRow *row)
    gtk_button_set_label (GTK_BUTTON (priv->resent_by_button), priv->message->resent_by);

  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, "org.gtk.Demo4");
+      gtk_image_set_icon_size (priv->avatar_image, GTK_ICON_SIZE_LARGE);
+    }
  else
-    gtk_image_set_from_paintable (priv->avatar_image, GDK_PAINTABLE (avatar_texture_other));
+    gtk_image_set_from_pixbuf (priv->avatar_image, avatar_pixbuf_other);

 }

@@ -341,7 +344,7 @@ do_listbox (GtkWidget *do_widget)

  if (!window)
    {
-      avatar_texture_other = gdk_texture_new_from_resource ("/listbox/apple-red.png");
+      avatar_pixbuf_other = gdk_pixbuf_new_from_resource_at_scale ("/listbox/apple-red.png", 32, 32, FALSE, NULL);

      window = gtk_window_new ();
      gtk_window_set_display (GTK_WINDOW (window),
--- a/demos/gtk-demo/listbox.ui
+++ b/demos/gtk-demo/listbox.ui
@@ -25,7 +25,6 @@
            <property name="margin-start">8</property>
            <property name="margin-end">8</property>
            <property name="icon-name">image-missing</property>
-            <property name="icon-size">large</property>
            <layout>
              <property name="column">0</property>
              <property name="row">0</property>
--- a/demos/gtk-demo/listview_applauncher.c
+++ b/demos/gtk-demo/listview_applauncher.c
@@ -8,8 +8,8 @@

 #include <gtk/gtk.h>

-/* This is the function that creates the GListModel that we need.
- * GTK list widgets need a GListModel to display, as models support change
+/* This is the function that creates the #GListModel that we need.
+ * GTK list widgets need a #GListModel to display, as models support change
 * notifications.
 * Unfortunately various older APIs do not provide list models, so we create
 * our own.
@@ -20,10 +20,10 @@ create_application_list (void)
  GListStore *store;
  GList *apps, *l;

-  /* We use a GListStore here, which is a simple array-like list implementation
+  /* We use a #GListStore here, which is a simple array-like list implementation
   * for manual management.
   * List models need to know what type of data they provide, so we need to
-   * provide the type here. As we want to do a list of applications, GAppInfo
+   * provide the type here. As we want to do a list of applications, #GAppInfo
   * is the object we provide.
   */
  store = g_list_store_new (G_TYPE_APP_INFO);
@@ -39,7 +39,7 @@ create_application_list (void)
 }

 /* This is the function we use for setting up new listitems to display.
- * We add just an GtkImage and a GtkLabel here to display the application's
+ * We add just an #GtkImage and a #GtkLabel here to display the application's
 * icon and name, as this is just a simple demo.
 */
 static void
@@ -61,8 +61,8 @@ setup_listitem_cb (GtkListItemFactory *factory,

 /* Here we need to prepare the listitem for displaying its item. We get the
 * listitem already set up from the previous function, so we can reuse the
- * GtkImage widget we set up above.
- * We get the item - which we know is a GAppInfo because it comes out of
+ * #GtkImage widget we set up above.
+ * We get the item - which we know is a #GAppInfo because it comes out of
 * the model we set up above, grab its icon and display it.
 */
 static void
@@ -85,7 +85,7 @@ bind_listitem_cb (GtkListItemFactory *factory,
 * the listitem, but this is simple code, so the default implementations are
 * enough. If we had connected signals, this step would have been necessary.
 *
- * The GtkSignalListItemFactory documentation contains more information about
+ * The #GtkSignalListItemFactory documentation contains more information about
 * this step.
 */

@@ -108,8 +108,8 @@ activate_cb (GtkListView  *list,
  app_info = g_list_model_get_item (G_LIST_MODEL (gtk_list_view_get_model (list)), position);

  /* Prepare the context for launching the application and launch it. This
-   * code is explained in detail in the documentation for GdkAppLaunchContext
-   * and GAppInfo.
+   * code is explained in detail in the documentation for #GdkAppLaunchContext
+   * and #GAppInfo.
   */
  context = gdk_display_get_app_launch_context (gtk_widget_get_display (GTK_WIDGET (list)));
  if (!g_app_info_launch (app_info,
@@ -155,13 +155,13 @@ do_listview_applauncher (GtkWidget *do_widget)
      gtk_window_set_title (GTK_WINDOW (window), "Application Launcher");
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);

-      /* The GtkListitemFactory is what is used to create GtkListItems
+      /* The #GtkListitemFactory is what is used to create #GtkListItems
       * to display the data from the model. So it is absolutely necessary
       * to create one.
-       * We will use a GtkSignalListItemFactory because it is the simplest
+       * We will use a #GtkSignalListItemFactory because it is the simplest
       * one to use. Different ones are available for different use cases.
-       * The most powerful one is GtkBuilderListItemFactory which uses
-       * GtkBuilder .ui files, so it requires little code.
+       * The most powerful one is #GtkBuilderListItemFactory which uses
+       * #GtkBuilder .ui files, so it requires little code.
       */
      factory = gtk_signal_list_item_factory_new ();
      g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);
@@ -184,7 +184,7 @@ do_listview_applauncher (GtkWidget *do_widget)
       */
      g_signal_connect (list, "activate", G_CALLBACK (activate_cb), NULL);

-      /* List widgets should always be contained in a GtkScrolledWindow,
+      /* List widgets should always be contained in a #GtkScrolledWindow,
       * because otherwise they might get too large or they might not
       * be scrollable.
       */
--- a/demos/gtk-demo/listview_filebrowser.c
+++ b/demos/gtk-demo/listview_filebrowser.c
@@ -34,7 +34,6 @@ enum {
 };

 #define FILE_BROWSER_TYPE_VIEW (file_browser_view_get_type ())
-G_MODULE_EXPORT
 G_DECLARE_FINAL_TYPE (FileBrowserView, file_browser_view, FILE_BROWSER, VIEW, GObject);

 G_DEFINE_TYPE (FileBrowserView, file_browser_view, G_TYPE_OBJECT);
@@ -160,7 +159,7 @@ static void file_browser_view_init (FileBrowserView *self)
 {
 }

-G_MODULE_EXPORT char *
+char *
 filebrowser_get_display_name (GObject *object,
                              GFileInfo *info)
 {
@@ -170,7 +169,7 @@ filebrowser_get_display_name (GObject *object,
  return g_strdup (g_file_info_get_attribute_string (info, "standard::display-name"));
 }

-G_MODULE_EXPORT char *
+char *
 filebrowser_get_content_type (GObject *object,
                              GFileInfo *info)
 {
@@ -180,7 +179,7 @@ filebrowser_get_content_type (GObject *object,
  return g_strdup (g_file_info_get_attribute_string (info, "standard::content-type"));
 }

-G_MODULE_EXPORT char *
+char *
 filebrowser_get_size (GObject *object,
                      GFileInfo *info)
 {
@@ -190,7 +189,7 @@ filebrowser_get_size (GObject *object,
  return g_format_size (g_file_info_get_attribute_uint64 (info, "standard::size"));
 }

-G_MODULE_EXPORT GIcon *
+GIcon *
 filebrowser_get_icon (GObject *object,
                      GFileInfo *info)
 {
@@ -207,7 +206,7 @@ filebrowser_get_icon (GObject *object,
  return icon;
 }

-G_MODULE_EXPORT void
+void
 filebrowser_up_clicked_cb (GtkButton        *button,
                           GtkDirectoryList *list)
 {
@@ -220,7 +219,7 @@ filebrowser_up_clicked_cb (GtkButton        *button,
  gtk_directory_list_set_file (list, file);
 }

-G_MODULE_EXPORT void
+void
 filebrowser_view_activated_cb (GtkGridView      *view,
                               guint             pos,
                               GtkDirectoryList *list)
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -192,7 +192,7 @@ activate_about (GSimpleAction *action,
                          glib_micro_version);
  g_string_append_printf (s, "\tPango\t%s\n",
                          pango_version_string ());
-  g_string_append_printf (s, "\tGTK \t%d.%d.%d\n",
+  g_string_append_printf (s, "\tGTK\t%d.%d.%d\n",
                          gtk_get_major_version (),
                          gtk_get_minor_version (),
                          gtk_get_micro_version ());
@@ -751,6 +751,7 @@ demo_filter_by_name (gpointer item,
                     gpointer user_data)
 {
  GtkTreeListRow *row = item;
+  GtkFilterListModel *model = user_data;
  GListModel *children;
  GtkDemo *demo;
  guint i, n;
@@ -761,7 +762,7 @@ demo_filter_by_name (gpointer item,
    return TRUE;

  g_assert (GTK_IS_TREE_LIST_ROW (row));
-  g_assert (GTK_IS_FILTER_LIST_MODEL (user_data));
+  g_assert (GTK_IS_FILTER_LIST_MODEL (model));

  /* Show a row if itself of any parent matches */
  for (parent = row; parent; parent = gtk_tree_list_row_get_parent (parent))
--- a/demos/gtk-demo/main.ui
+++ b/demos/gtk-demo/main.ui
@@ -25,7 +25,6 @@
          <object class="GtkButton">
            <property name="valign">center</property>
            <property name="action-name">win.run</property>
-            <property name="focus-on-click">0</property>
            <property name="label" translatable="yes">Run</property>
          </object>
        </child>
@@ -33,7 +32,6 @@
          <object class="GtkToggleButton">
            <property name="icon-name">edit-find-symbolic</property>
            <property name="valign">center</property>
-            <property name="focus-on-click">0</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>
@@ -43,7 +41,6 @@
        <child type="end">
          <object class="GtkMenuButton" id="gear_menu_button">
            <property name="valign">center</property>
-            <property name="focus-on-click">0</property>
            <property name="menu-model">gear_menu</property>
            <property name="icon-name">open-menu-symbolic</property>
            <accessibility>
--- a/demos/gtk-demo/markup.c
+++ b/demos/gtk-demo/markup.c
@@ -58,7 +58,7 @@ do_markup (GtkWidget *do_widget)
      window = gtk_window_new ();
      gtk_window_set_display (GTK_WINDOW (window),
                              gtk_widget_get_display (do_widget));
-      gtk_window_set_default_size (GTK_WINDOW (window), 600, 680);
+      gtk_window_set_default_size (GTK_WINDOW (window), 450, 450);
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);

      stack = gtk_stack_new ();
--- a/demos/gtk-demo/markup.txt
+++ b/demos/gtk-demo/markup.txt
@@ -1,9 +1,5 @@

-Text sizes: <span size="xx-small">tiny </span><span size="x-small">very small </span><span size="small">small </span><span size="medium">normal </span><span size="large">large </span><span size="x-large">very large </span><span size="xx-large">huge</span>
-
-Text styles: <span style="normal">Normal</span> <span style="italic">Italic</span> <span style="oblique">Olique</span>
-
-Text weights: <span weight="thin">thin</span> <span weight="light">light</span> <span weight="normal">normal</span> <span weight="bold">bold</span> <span weight="ultraheavy">ultraheavy</span>
+Text sizes: <span size="xx-small">tiny</span> <span size="x-small">very small</span> <span size="small">small</span> <span size="medium">normal</span> <span size="large">large</span> <span size="x-large">very large</span> <span size="xx-large">huge</span>

 Text <span color="gray">c<span color="green">o</span>l<span color="tomato">o</span>rs</span> and <span background="pink">backgrounds</span>

@@ -19,12 +15,6 @@ OpenType font features: <span font_desc="sans regular" font_features="dlig=0">fe

 Shortcuts: <tt>Monospace</tt> – <b>Bold</b> – <i>Italic</i> – <big>Big</big> – <small>Small</small> – <u>Underlined</u> – <s>Strikethrough</s> – Super<sup>script</sup> – Sub<sub>script</sub>

-hyphenation algorithm is a <span allow_breaks="false" style="italic">set of rules</span>, especially one codified for implementation in a computer program, that decides at which points a word can be broken over two lines with a hyphen. For example, a hyphenation algorithm might decide that impeachment can be broken as impeach‧ment or im‧peachment but not impe‧achment.
+<span allow_breaks="false">A</span> hyphenation algorithm is a set of rules, especially one codified for implementation in a computer program, that decides at which points a word can be broken over two lines with a hyphen. For example, a hyphenation algorithm might decide that impeachment can be broken as <span allow_breaks="false">impeach‧ment</span> or <span allow_breaks="false">im‧peachment</span> but not <span allow_breaks="false">impe‧achment.</span>

 <span insert_hyphens="false">one/two three/four five/six seven/eight nine/ten</span>
-
-<span line_height='1.33'>Line height: This is an example of widely spaced text. It was achieved by setting the line-height factor to 1.33. You can set the line-height factor to any value between 0 and 10.
-Note that the line height affects the spacing between paragraphs as well as between the wrapped lines inside a paragraph.</span>
-
-Transforms: <span text_transform='uppercase'>straße</span> <span text_transform='capitalize'>up, up and away</span>
-
--- a/demos/gtk-demo/menu.c
+++ b/demos/gtk-demo/menu.c
@@ -21,10 +21,8 @@ do_menu (GtkWidget *do_widget)

  if (!window)
    {
-      GtkWidget *box;
      GtkWidget *sw;
      GtkWidget *widget;
-      GtkWidget *scale;

      window = gtk_window_new ();
      gtk_window_set_title (GTK_WINDOW (window), "Menu");
@@ -33,23 +31,11 @@ do_menu (GtkWidget *do_widget)
                              gtk_widget_get_display (do_widget));
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);

-      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-      gtk_window_set_child (GTK_WINDOW (window), box);
-
      sw = gtk_scrolled_window_new ();
-      gtk_widget_set_vexpand (sw, TRUE);
-      gtk_box_append (GTK_BOX (box), sw);
+      gtk_window_set_child (GTK_WINDOW (window), sw);

      widget = demo3_widget_new ("/transparent/portland-rose.jpg");
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), widget);
-
-      scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0.01, 10.0, 0.1);
-      gtk_range_set_value (GTK_RANGE (scale), 1.0);
-      gtk_box_append (GTK_BOX (box), scale);
-
-      g_object_bind_property (gtk_range_get_adjustment (GTK_RANGE (scale)), "value",
-                              widget, "scale",
-                              G_BINDING_BIDIRECTIONAL);
    }

  if (!gtk_widget_get_visible (window))
--- a/demos/gtk-demo/menus.ui
+++ b/demos/gtk-demo/menus.ui
@@ -21,7 +21,7 @@
        <item>
          <attribute name="label" translatable="yes">Save _As...</attribute>
          <attribute name="action">app.save-as</attribute>
-          <attribute name="accel">&lt;Control&gt;&lt;Shift&gt;s</attribute>
+          <attribute name="accel">&lt;Control&gt;s</attribute>
        </item>
      </section>
      <section>
--- a/demos/gtk-demo/meson.build
+++ b/demos/gtk-demo/meson.build
@@ -29,7 +29,6 @@ demos = files([
  'fishbowl.c',
  'fixed.c',
  'fontrendering.c',
-  'frames.c',
  'gears.c',
  'gestures.c',
  'glarea.c',
@@ -67,7 +66,6 @@ demos = files([
  'paintable_animated.c',
  'paintable_emblem.c',
  'paintable_mediastream.c',
-  'paintable_symbolic.c',
  'panes.c',
  'password_entry.c',
  'peg_solitaire.c',
@@ -140,7 +138,7 @@ if os_unix
  demos += files('pagesetup.c')
 endif

-librsvg_dep = dependency('librsvg-2.0', version: '>= 2.52.0', required: false)
+librsvg_dep = dependency('librsvg-2.0', version: '>= 2.46.0', required: false)

 if librsvg_dep.found()
  demos += files('paintable_svg.c')
@@ -156,81 +154,15 @@ demos_h = custom_target('gtk4 demo header',
  command: [ find_program('geninclude.py'), '@OUTPUT@', '@INPUT@' ],
 )

-objcopy_supports_add_symbol = false
-objcopy = find_program('objcopy', required : false)
-if objcopy.found()
-  objcopy_supports_add_symbol = run_command(objcopy, '--help').stdout().contains('--add-symbol')
-endif
-
-ld = find_program('ld', required : false)
-
-if build_machine.system() == 'linux' and objcopy.found() and objcopy_supports_add_symbol and ld.found()
-  glib_compile_resources = find_program('glib-compile-resources')
-
-  # Create the resource blob
-  gtkdemo_gresource = custom_target('gtkdemo.gresource',
-      input : 'demo.gresource.xml',
-      output : 'gtkdemo.gresource',
-      depfile : 'gtkdemo.gresource.d',
-      command : [glib_compile_resources,
-                 '--generate',
-                 '--target=@OUTPUT@',
-                 '--dependency-file=@DEPFILE@',
-                 '--sourcedir=' + meson.current_source_dir(),
-                 '--sourcedir=' + meson.current_build_dir(),
-                 '@INPUT@'])
-
-  # Create resource data file
-  gtkdemo_resources_c = custom_target('gtkdemo_resources.c',
-      input : 'demo.gresource.xml',
-      output : 'gtkdemo_resources.c',
-      depfile : 'gtkdemo_resources.c.d',
-      command : [glib_compile_resources,
-                 '--generate-source',
-                 '--target=@OUTPUT@',
-                 '--dependency-file=@DEPFILE@',
-                 '--sourcedir=' + meson.current_source_dir(),
-                 '--sourcedir=' + meson.current_build_dir(),
-                 '--external-data',
-                 '--c-name', '_g_binary_gtkdemo',
-                 '@INPUT@'])
-
-  # Create object file containing resource data
-  gtkdemo_resources_binary = custom_target('gtkdemo_resources.o',
-      input : gtkdemo_gresource,
-      output : 'gtkdemo_resources.o',
-      command : [ld,
-                 '-r',
-                 '-b','binary',
-                 '@INPUT@',
-                 '-o','@OUTPUT@'])
-
-  # Rename symbol to match the one in the C file
-  gtkdemo_resources_o = custom_target('gtkdemo_resources2.o',
-    input : gtkdemo_resources_binary,
-    output : 'gtkdemo_resources2.o',
-    command : [objcopy,
-                 '--add-symbol','_g_binary_gtkdemo_resource_data=.data:0',
-                 '@INPUT@',
-                 '@OUTPUT@'])
-
-  gtkdemo_resources = [
-      gtkdemo_resources_c,
-      gtkdemo_resources_o,
-    ]
-else
-  gtkdemo_resources = gnome.compile_resources('gtkdemo_resources',
-    'demo.gresource.xml',
-    source_dir: '.',
-  )
-endif
+gtkdemo_resources = gnome.compile_resources('gtkdemo_resources',
+  'demo.gresource.xml',
+  source_dir: '.',
+)

 # Use a subset of compiler flags
 demo_cflags = []
 foreach flag: common_cflags
-  if flag not in ['-Werror=missing-prototypes', '-Wmissing-prototypes',
-                  '-Werror=missing-declarations', '-Wmissing-declarations',
-                  '-fvisibility=hidden']
+  if flag not in ['-Werror=missing-prototypes', '-Werror=missing-declarations', '-fvisibility=hidden']
    demo_cflags += flag
  endif
 endforeach
@@ -242,7 +174,7 @@ executable('gtk4-demo',
  c_args: gtkdemo_args + demo_cflags,
  dependencies: gtkdemo_deps,
  include_directories: confinc,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: true,
 )
@@ -252,7 +184,7 @@ executable('gtk4-demo-application',
  c_args: gtkdemo_args + common_cflags,
  dependencies: gtkdemo_deps,
  include_directories: confinc,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: true,
 )
@@ -272,9 +204,4 @@ install_data('org.gtk.Demo4.gschema.xml', install_dir: gtk_schemasdir)
 gnome.compile_schemas()

 # appdata
-configure_file(
-  input: 'org.gtk.Demo4.appdata.xml.in',
-  output: 'org.gtk.Demo4.appdata.xml',
-  configuration: appdata_config,
-  install_dir: gtk_appdatadir
-)
+install_data('org.gtk.Demo4.appdata.xml', install_dir: gtk_appdatadir)
--- a/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in
+++ b/demos/gtk-demo/org.gtk.Demo4.appdata.xml.in
@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
-  <id>org.gtk.Demo4</id>
-  <launchable type="desktop-id">org.gtk.Demo4.desktop</launchable>
+  <id>org.gtk.Demo4.desktop</id>
  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.1-or-later</project_license>
+  <project_license>LGPL-2.0+</project_license>
  <name>GTK Demo</name>
  <summary>Program to demonstrate GTK functions</summary>
  <description>
@@ -31,11 +30,15 @@
  <translation type="gettext">gtk-4.0</translation>
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
-  <content_rating type="oars-1.1"/>
  <releases>
-    <release version="@BUILD_VERSION@">
+    <release version="3.99.0" date="2020-07-30">
      <description>
-        <p>A new build of GTK.</p>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
+    <release version="3.94.0" date="2018-06-25">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
      </description>
    </release>
  </releases>
--- a/demos/gtk-demo/paintable.c
+++ b/demos/gtk-demo/paintable.c
@@ -45,27 +45,26 @@ struct _GtkNuclearIconClass
 * so that it can be called from all the other demos, too.
 */
 void
-gtk_nuclear_snapshot (GtkSnapshot   *snapshot,
-                      const GdkRGBA *foreground,
-                      const GdkRGBA *background,
-                      double         width,
-                      double         height,
-                      double         rotation)
+gtk_nuclear_snapshot (GtkSnapshot *snapshot,
+                      double       width,
+                      double       height,
+                      double       rotation,
+                      gboolean     draw_background)
 {
 #define RADIUS 0.3
  cairo_t *cr;
  double size;

-  gtk_snapshot_append_color (snapshot,
-                             background,
-                             &GRAPHENE_RECT_INIT (0, 0, width, height));
+  if (draw_background)
+    gtk_snapshot_append_color (snapshot,
+                               &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 },
+                               &GRAPHENE_RECT_INIT (0, 0, width, height));

  size = MIN (width, height);
  cr = gtk_snapshot_append_cairo (snapshot,
                                  &GRAPHENE_RECT_INIT ((width - size) / 2.0,
                                                       (height - size) / 2.0,
                                                       size, size));
-  gdk_cairo_set_source_rgba (cr, foreground);
  cairo_translate (cr, width / 2.0, height / 2.0);
  cairo_scale (cr, size, size);
  cairo_rotate (cr, rotation);
@@ -95,10 +94,9 @@ gtk_nuclear_icon_snapshot (GdkPaintable *paintable,
   */

  gtk_nuclear_snapshot (snapshot,
-                        &(GdkRGBA) { 0, 0, 0, 1 }, /* black */
-                        &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 }, /* yellow */
                        width, height,
-                        nuclear->rotation);
+                        nuclear->rotation,
+                        TRUE);
 }

 static GdkPaintableFlags
--- a/demos/gtk-demo/paintable.h
+++ b/demos/gtk-demo/paintable.h
@@ -4,11 +4,10 @@
 #include <gtk/gtk.h>

 void            gtk_nuclear_snapshot           (GtkSnapshot     *snapshot,
-                                                const GdkRGBA   *foreground,
-                                                const GdkRGBA   *background,
                                                double           width,
                                                double           height,
-                                                double           rotation);
+                                                double           rotation,
+                                                gboolean         draw_background);

 GdkPaintable *  gtk_nuclear_icon_new            (double          rotation);
 GdkPaintable *  gtk_nuclear_animation_new       (gboolean        draw_background);
--- a/demos/gtk-demo/paintable_animated.c
+++ b/demos/gtk-demo/paintable_animated.c
@@ -65,12 +65,9 @@ gtk_nuclear_animation_snapshot (GdkPaintable *paintable,

  /* We call the function from the previous example here. */
  gtk_nuclear_snapshot (snapshot,
-                        &(GdkRGBA) { 0, 0, 0, 1 }, /* black */
-                        nuclear->draw_background
-                          ? &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 } /* yellow */
-                          : &(GdkRGBA) { 0, 0, 0, 0 }, /* transparent */
                        width, height,
-                        2 * G_PI * nuclear->progress / MAX_PROGRESS);
+                        2 * G_PI * nuclear->progress / MAX_PROGRESS,
+                        nuclear->draw_background);
 }

 static GdkPaintable *
--- a/demos/gtk-demo/paintable_mediastream.c
+++ b/demos/gtk-demo/paintable_mediastream.c
@@ -73,10 +73,9 @@ gtk_nuclear_media_stream_snapshot (GdkPaintable *paintable,

  /* We call the function from the previous example here. */
  gtk_nuclear_snapshot (snapshot,
-                        &(GdkRGBA) { 0, 0, 0, 1 }, /* black */
-                        &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 }, /* yellow */
                        width, height,
-                        2 * G_PI * nuclear->progress / DURATION);
+                        2 * G_PI * nuclear->progress / DURATION,
+                        TRUE);
 }

 static GdkPaintable *
@@ -151,7 +150,7 @@ gtk_nuclear_media_stream_step (gpointer data)
   * call our pause function to pause the stream.
   */
  if (nuclear->progress >= DURATION)
-    gtk_media_stream_stream_ended (GTK_MEDIA_STREAM (nuclear));
+    gtk_media_stream_ended (GTK_MEDIA_STREAM (nuclear));

  /* The timeout function is removed by the pause function,
   * so we can just always return this value.
@@ -268,11 +267,11 @@ gtk_nuclear_media_stream_init (GtkNuclearMediaStream *nuclear)
   * However, media streams need to tell GTK once they are initialized,
   * so we do that here.
   */
-  gtk_media_stream_stream_prepared (GTK_MEDIA_STREAM (nuclear),
-                                    FALSE,
-                                    TRUE,
-                                    TRUE,
-                                    DURATION);
+  gtk_media_stream_prepared (GTK_MEDIA_STREAM (nuclear),
+                             FALSE,
+                             TRUE,
+                             TRUE,
+                             DURATION);
 }

 /* And finally, we add the simple constructor we declared in the header. */
--- a/demos/gtk-demo/paintable_symbolic.c
+++ b/demos/gtk-demo/paintable_symbolic.c
@@ -1,208 +0,0 @@
-/* Paintable/Symbolic Paintable
- *
- * GdkPaintables can be made to follow the theme's colors. GTK calls
- * icons that do this symbolic icons, paintables that want to have
- * the same effect can implement the GtkSymbolicPaintable interface.
- *
- * We will adapt the original paintable example by adding the ability
- * to recolor the paintable based on the symbolic colors.
- */
-
-#include <gtk/gtk.h>
-
-#include "paintable.h"
-
-static GtkWidget *window = NULL;
-
-/* First, add the boilerplate for the object itself.
- * This part would normally go in the header.
- */
-#define GTK_TYPE_NUCLEAR_SYMBOLIC (gtk_nuclear_symbolic_get_type ())
-G_DECLARE_FINAL_TYPE (GtkNuclearSymbolic, gtk_nuclear_symbolic, GTK, NUCLEAR_SYMBOLIC, GObject)
-
-/* Declare a few warning levels, so we can pick colors based on them */
-typedef enum
-{
-  WARNING_NONE,
-  WARNING_ALERT,
-  WARNING_EMERGENCY
-} WarningLevel;
-
-/* Declare the struct. */
-struct _GtkNuclearSymbolic
-{
-  GObject parent_instance;
-
-  WarningLevel warning_level;
-};
-
-struct _GtkNuclearSymbolicClass
-{
-  GObjectClass parent_class;
-};
-
-/* Add a function to draw the nuclear icon in the given colors */
-static void
-gtk_nuclear_symbolic_snapshot_symbolic (GtkSymbolicPaintable *paintable,
-                                        GdkSnapshot          *snapshot,
-                                        double                width,
-                                        double                height,
-                                        const GdkRGBA        *colors,
-                                        gsize                 n_colors)
-{
-  GtkNuclearSymbolic *self = GTK_NUCLEAR_SYMBOLIC (paintable);
-  static const GdkRGBA transparent = { 0, };
-  const GdkRGBA *bg_color;
-
-  /* select the right background color from the warning level */
-  switch (self->warning_level)
-  {
-    case WARNING_NONE:
-      bg_color = &transparent;
-      break;
-    case WARNING_ALERT:
-      bg_color = &colors[GTK_SYMBOLIC_COLOR_WARNING];
-      break;
-    case WARNING_EMERGENCY:
-      bg_color = &colors[GTK_SYMBOLIC_COLOR_ERROR];
-      break;
-    default:
-      /* This should never happen, but we better do defensive coding
-       * with this critical icon */
-      g_assert_not_reached ();
-      bg_color = &transparent;
-      break;
-  }
-
-  /* Draw the icon with the selected warning color */
-  gtk_nuclear_snapshot (snapshot,
-                        &colors[GTK_SYMBOLIC_COLOR_FOREGROUND],
-                        bg_color,
-                        width, height,
-                        0);
-}
-
-static void
-gtk_nuclear_symbolic_symbolic_paintable_init (GtkSymbolicPaintableInterface *iface)
-{
-  iface->snapshot_symbolic = gtk_nuclear_symbolic_snapshot_symbolic;
-}
-
-/* We need to implement the functionality required by the GdkPaintable interface */
-static void
-gtk_nuclear_symbolic_snapshot (GdkPaintable *paintable,
-                                GdkSnapshot  *snapshot,
-                                double        width,
-                                double        height)
-{
-  /* Calling this function without passing a color is a neat trick
-   * to make GTK use default colors and otherwise forward the call
-   * to the snapshotting function above.
-   */
-  gtk_symbolic_paintable_snapshot_symbolic (GTK_SYMBOLIC_PAINTABLE (paintable),
-                                            snapshot,
-                                            width, height,
-                                            NULL, 0);
-}
-
-static GdkPaintableFlags
-gtk_nuclear_symbolic_get_flags (GdkPaintable *paintable)
-{
-  /* This image has a static size, but the contents may change:
-   * We draw different things when the warning level changes.
-   */
-  return GDK_PAINTABLE_STATIC_SIZE;
-}
-
-static void
-gtk_nuclear_symbolic_paintable_init (GdkPaintableInterface *iface)
-{
-  iface->snapshot = gtk_nuclear_symbolic_snapshot;
-  iface->get_flags = gtk_nuclear_symbolic_get_flags;
-}
-
-/* When defining the GType, we need to implement bot the GdkPaintable
- * and the GtkSymbolicPaintable interface */
-G_DEFINE_TYPE_WITH_CODE (GtkNuclearSymbolic, gtk_nuclear_symbolic, G_TYPE_OBJECT,
-                         G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
-                                                gtk_nuclear_symbolic_paintable_init)
-                         G_IMPLEMENT_INTERFACE (GTK_TYPE_SYMBOLIC_PAINTABLE,
-                                                gtk_nuclear_symbolic_symbolic_paintable_init))
-
-static void
-gtk_nuclear_symbolic_class_init (GtkNuclearSymbolicClass *klass)
-{
-}
-
-static void
-gtk_nuclear_symbolic_init (GtkNuclearSymbolic *nuclear)
-{
-}
-
-/* And finally, we add the simple constructor we declared in the header. */
-GdkPaintable *
-gtk_nuclear_symbolic_new (void)
-{
-  return g_object_new (GTK_TYPE_NUCLEAR_SYMBOLIC, NULL);
-}
-
-/* Add some fun feature to the button */
-static void
-nuclear_button_clicked (GtkButton          *button,
-                        GtkNuclearSymbolic *nuclear)
-{
-  if (nuclear->warning_level >= WARNING_EMERGENCY)
-    {
-      /* On maximum warning level, reset the warning */
-      nuclear->warning_level = WARNING_NONE;
-      /* And sometimes (but not always to confuse people)
-       * close the window.
-       */
-      if (g_random_boolean ())
-        gtk_window_close (GTK_WINDOW (window));
-    }
-  else
-    {
-      /* Otherwise just increase the warning level */
-      nuclear->warning_level++;
-    }
-
-  /* Don't forget to emit the signal causing the paintable to redraw.
-   * Changing the warning level changes the background color after all.
-   */
-  gdk_paintable_invalidate_contents (GDK_PAINTABLE (nuclear));
-}
-
-GtkWidget *
-do_paintable_symbolic (GtkWidget *do_widget)
-{
-  GdkPaintable *nuclear;
-  GtkWidget *image, *button;
-
-  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), "Don't click!");
-      gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      button = gtk_button_new ();
-      gtk_window_set_child (GTK_WINDOW (window), button);
-
-      nuclear = gtk_nuclear_symbolic_new ();
-      image = gtk_image_new_from_paintable (nuclear);
-
-      gtk_button_set_child (GTK_BUTTON (button), image);
-      g_signal_connect (button, "clicked", G_CALLBACK (nuclear_button_clicked), nuclear);
-      g_object_unref (nuclear);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}
--- a/demos/gtk-demo/peg_solitaire.c
+++ b/demos/gtk-demo/peg_solitaire.c
@@ -1,7 +1,7 @@
 /* Peg Solitaire
 * #Keywords: GtkGridView, game
 *
- * This demo demonstrates how to use drag-and-drop to implement peg solitaire.
+ * This demo demonstrates how to use drag'n'drop to implement peg solitaire.
 *
 */

@@ -98,7 +98,7 @@ solitaire_peg_init (SolitairePeg *peg)

 /* Add a little setter for the peg's position.
 * We want to track those so that we can check for legal moves
- * during drag-and-drop operations.
+ * during drag'n'drop operations.
 */
 static void
 solitaire_peg_set_position (SolitairePeg *peg,
--- a/demos/gtk-demo/shortcuts.c
+++ b/demos/gtk-demo/shortcuts.c
@@ -25,43 +25,43 @@ show_shortcuts (GtkWidget   *window,
  g_object_unref (builder);
 }

-G_MODULE_EXPORT void
+void
 shortcuts_builder_shortcuts (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-builder", NULL);
 }

-G_MODULE_EXPORT void
+void
 shortcuts_gedit_shortcuts (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-gedit", NULL);
 }

-G_MODULE_EXPORT void
+void
 shortcuts_clocks_shortcuts (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-clocks", NULL);
 }

-G_MODULE_EXPORT void
+void
 shortcuts_clocks_shortcuts_stopwatch (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-clocks", "stopwatch");
 }

-G_MODULE_EXPORT void
+void
 shortcuts_boxes_shortcuts (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-boxes", NULL);
 }

-G_MODULE_EXPORT void
+void
 shortcuts_boxes_shortcuts_wizard (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-boxes", "wizard");
 }

-G_MODULE_EXPORT void
+void
 shortcuts_boxes_shortcuts_display (GtkWidget *window)
 {
  show_shortcuts (window, "shortcuts-boxes", "display");
--- a/demos/gtk-demo/singular_value_decomposition.c
+++ b/demos/gtk-demo/singular_value_decomposition.c
@@ -2,7 +2,6 @@
 #include <float.h>
 #include <math.h>
 #include <glib.h>
-#include <assert.h>

 /* See Golub and Reinsch,
 * "Handbook for Automatic Computation vol II - Linear Algebra",
@@ -40,9 +39,6 @@ householder_reduction (double *A,
  double *pu, *pui, *pv, *pvi;
  double half_norm_squared;

-  assert (nrows >= 2);
-  assert (ncols >= 2);
-
  memcpy (U, A, sizeof (double) * nrows * ncols);

  diagonal[0] = 0.0;
@@ -209,9 +205,6 @@ givens_reduction (int nrows,
  int rotation_test;
  int iteration_count;

-  assert (nrows >= 2);
-  assert (ncols >= 2);
-
  for (i = 0, x = 0.0; i < ncols; i++)
    {
      y = fabs (diagonal[i]) + fabs (superdiagonal[i]);
@@ -349,9 +342,6 @@ sort_singular_values (int     nrows,
  double temp;
  double *p1, *p2;

-  assert (nrows >= 2);
-  assert (ncols >= 2);
-
  for (i = 0; i < ncols - 1; i++)
    {
      max_index = i;
@@ -443,12 +433,9 @@ singular_value_decomposition_solve (double *U,
  double d;
  double tolerance;

-  assert (nrows >= 2);
-  assert (ncols >= 2);
-
  tolerance = DBL_EPSILON * S[0] * (double) ncols;

-  for (i = 0, pv = V; i < ncols; i++, pv += ncols)
+  for ( i = 0, pv = V; i < ncols; i++, pv += ncols)
    {
      x[i] = 0.0;
      for (j = 0; j < ncols; j++)
--- a/demos/gtk-demo/spinbutton.c
+++ b/demos/gtk-demo/spinbutton.c
@@ -12,7 +12,7 @@
 #include <math.h>
 #include <stdlib.h>

-G_MODULE_EXPORT int
+int
 spinbutton_hex_spin_input (GtkSpinButton *spin_button,
                           double        *new_val)
 {
@@ -29,7 +29,7 @@ spinbutton_hex_spin_input (GtkSpinButton *spin_button,
    return TRUE;
 }

-G_MODULE_EXPORT int
+int
 spinbutton_hex_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
@@ -49,7 +49,7 @@ spinbutton_hex_spin_output (GtkSpinButton *spin_button)
  return TRUE;
 }

-G_MODULE_EXPORT int
+int
 spinbutton_time_spin_input (GtkSpinButton *spin_button,
                            double        *new_val)
 {
@@ -88,7 +88,7 @@ spinbutton_time_spin_input (GtkSpinButton *spin_button,
  return TRUE;
 }

-G_MODULE_EXPORT int
+int
 spinbutton_time_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
@@ -122,7 +122,7 @@ static const char *month[12] = {
  "December"
 };

-G_MODULE_EXPORT int
+int
 spinbutton_month_spin_input (GtkSpinButton *spin_button,
                             double        *new_val)
 {
@@ -151,7 +151,7 @@ spinbutton_month_spin_input (GtkSpinButton *spin_button,
  return TRUE;
 }

-G_MODULE_EXPORT int
+int
 spinbutton_month_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
--- a/demos/gtk-demo/svgpaintable.c
+++ b/demos/gtk-demo/svgpaintable.c
@@ -47,24 +47,22 @@ static int
 svg_paintable_get_intrinsic_width (GdkPaintable *paintable)
 {
  SvgPaintable *self = SVG_PAINTABLE (paintable);
-  double width;
+  RsvgDimensionData data;

-  if (!rsvg_handle_get_intrinsic_size_in_pixels (self->handle, &width, NULL))
-    return 0;
+  rsvg_handle_get_dimensions (self->handle, &data);

-  return ceil (width);
+  return data.width;
 }

 static int
 svg_paintable_get_intrinsic_height (GdkPaintable *paintable)
 {
  SvgPaintable *self = SVG_PAINTABLE (paintable);
-  double height;
+  RsvgDimensionData data;

-  if (!rsvg_handle_get_intrinsic_size_in_pixels (self->handle, NULL, &height))
-    return 0;
+  rsvg_handle_get_dimensions (self->handle, &data);

-  return ceil (height);
+  return data.height;
 }

 static void
--- a/demos/gtk-demo/tabs.c
+++ b/demos/gtk-demo/tabs.c
@@ -1,11 +1,6 @@
 /* Text View/Tabs
 *
 * GtkTextView can position text at fixed positions, using tabs.
- * Tabs can specify alignment, and also allow aligning numbers
- * on the decimal point.
- *
- * The example here has three tabs, with left, numeric and right
- * alignment.
 */

 #include <gtk/gtk.h>
@@ -27,7 +22,7 @@ do_tabs (GtkWidget *do_widget)
      gtk_window_set_title (GTK_WINDOW (window), "Tabs");
      gtk_window_set_display (GTK_WINDOW (window),
                              gtk_widget_get_display (do_widget));
-      gtk_window_set_default_size (GTK_WINDOW (window), 330, 130);
+      gtk_window_set_default_size (GTK_WINDOW (window), 330, 330);
      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);

@@ -40,18 +35,17 @@ do_tabs (GtkWidget *do_widget)

      tabs = pango_tab_array_new (3, TRUE);
      pango_tab_array_set_tab (tabs, 0, PANGO_TAB_LEFT, 0);
-      pango_tab_array_set_tab (tabs, 1, PANGO_TAB_DECIMAL, 150);
-      pango_tab_array_set_decimal_point (tabs, 1, '.');
-      pango_tab_array_set_tab (tabs, 2, PANGO_TAB_RIGHT, 290);
+      pango_tab_array_set_tab (tabs, 1, PANGO_TAB_LEFT, 100);
+      pango_tab_array_set_tab (tabs, 2, PANGO_TAB_LEFT, 200);
      gtk_text_view_set_tabs (GTK_TEXT_VIEW (view), tabs);
      pango_tab_array_free (tabs);

      buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
-      gtk_text_buffer_set_text (buffer, "one\t2.0\tthree\nfour\t5.555\tsix\nseven\t88.88\tnine", -1);
+      gtk_text_buffer_set_text (buffer, "one\ttwo\tthree\nfour\tfive\tsix\nseven\teight\tnine", -1);

      sw = gtk_scrolled_window_new ();
      gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
-                                      GTK_POLICY_NEVER,
+                                      GTK_POLICY_AUTOMATIC,
                                      GTK_POLICY_AUTOMATIC);
      gtk_window_set_child (GTK_WINDOW (window), sw);
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), view);
--- a/demos/gtk-demo/video_player.c
+++ b/demos/gtk-demo/video_player.c
@@ -41,26 +41,11 @@ open_clicked_cb (GtkWidget *button,
                                        "_Open",
                                        "_Cancel");

-  filter = gtk_file_filter_new ();
-  gtk_file_filter_add_pattern (filter, "*");
-  gtk_file_filter_set_name (filter, "All Files");
-  gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-  g_object_unref (filter);
-
-  filter = gtk_file_filter_new ();
-  gtk_file_filter_add_mime_type (filter, "image/*");
-  gtk_file_filter_set_name (filter, "Images");
-  gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-  g_object_unref (filter);
-
  filter = gtk_file_filter_new ();
  gtk_file_filter_add_mime_type (filter, "video/*");
  gtk_file_filter_set_name (filter, "Video");
-  gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-  
  gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
  g_object_unref (filter);
-
  gtk_native_dialog_set_modal (GTK_NATIVE_DIALOG (dialog), TRUE);
  g_signal_connect (dialog, "response", G_CALLBACK (open_dialog_response_cb), video);
  gtk_native_dialog_show (GTK_NATIVE_DIALOG (dialog));
--- a/demos/icon-browser/iconbrowserapp.c
+++ b/demos/icon-browser/iconbrowserapp.c
@@ -72,7 +72,7 @@ about_activated (GSimpleAction *action,
                          glib_micro_version);
  g_string_append_printf (s, "\tPango\t%s\n",
                          pango_version_string ());
-  g_string_append_printf (s, "\tGTK \t%d.%d.%d\n",
+  g_string_append_printf (s, "\tGTK\t%d.%d.%d\n",
                          gtk_get_major_version (),
                          gtk_get_minor_version (),
                          gtk_get_micro_version ());
--- a/demos/icon-browser/meson.build
+++ b/demos/icon-browser/meson.build
@@ -16,7 +16,7 @@ executable('gtk4-icon-browser',
  c_args: common_cflags,
  dependencies: [ libgtk_dep, demo_conf_h ],
  include_directories: confinc,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: true,
 )
@@ -32,10 +32,5 @@ endforeach
 install_data('org.gtk.IconBrowser4.desktop', install_dir: gtk_applicationsdir)

 # appdata
-configure_file(
-  input: 'org.gtk.IconBrowser4.appdata.xml.in',
-  output: 'org.gtk.IconBrowser4.appdata.xml',
-  configuration: appdata_config,
-  install_dir: gtk_appdatadir
-)
+install_data('org.gtk.IconBrowser4.appdata.xml', install_dir: gtk_appdatadir)

--- a/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
+++ b/demos/icon-browser/org.gtk.IconBrowser4.appdata.xml.in
@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
-  <id>org.gtk.IconBrowser4</id>
-  <launchable type="desktop-id">org.gtk.IconBrowser4.desktop</launchable>
+  <id>org.gtk.IconBrowser4.desktop</id>
  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.1-or-later</project_license>
+  <project_license>LGPL-2.0+</project_license>
  <name>GTK Icon Browser</name>
  <summary>Program to browse themed icons</summary>
  <description>
@@ -30,11 +29,15 @@
  <translation type="gettext">gtk-4.0</translation>
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
-  <content_rating type="oars-1.1"/>
  <releases>
-    <release version="@BUILD_VERSION@">
+    <release version="3.99.0" date="2020-07-30">
      <description>
-        <p>A new build of GTK.</p>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
+    <release version="3.94.0" date="2018-06-25">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
      </description>
    </release>
  </releases>
--- a/demos/icon-browser/window.ui
+++ b/demos/icon-browser/window.ui
@@ -25,14 +25,12 @@
            </style>
            <child>
              <object class="GtkToggleButton" id="normal_radio">
-                <property name="focus-on-click">0</property>
                <property name="label" translatable="yes">Normal</property>
                <property name="active">1</property>
              </object>
            </child>
            <child>
              <object class="GtkToggleButton" id="symbolic_radio">
-                <property name="focus-on-click">0</property>
                <property name="label" translatable="yes">Symbolic</property>
                <property name="group">normal_radio</property>
                <signal name="notify::active" handler="symbolic_toggled" swapped="yes" after="yes"/>
@@ -42,7 +40,6 @@
        </child>
        <child type="end">
          <object class="GtkMenuButton" id="gear_menu_button">
-            <property name="focus-on-click">0</property>
            <property name="valign">center</property>
            <property name="menu-model">gear_menu</property>
            <property name="icon-name">open-menu-symbolic</property>
@@ -50,7 +47,6 @@
        </child>
        <child type="end">
          <object class="GtkToggleButton" id="search">
-            <property name="focus-on-click">0</property>
            <style>
              <class name="image-button"/>
            </style>
--- a/demos/meson.build
+++ b/demos/meson.build
@@ -1,21 +1,19 @@
-gen_demo_header = find_program('../build-aux/meson/gen-demo-header.py')
-demo_profile = get_option('profile')
+demo_conf = configuration_data()
+demo_conf.set_quoted('PROFILE', get_option('profile'))
+demo_conf.set_quoted('VCS_TAG', '@VCS_TAG@')

 demo_conf_h = declare_dependency(
-  sources: custom_target('demo-header',
-    command: [gen_demo_header, meson.project_source_root(), demo_profile],
-    capture: true,
-    output: 'demo_conf.h',
-    build_by_default: true,
-    build_always_stale: true,
-  )
+  sources: vcs_tag(
+             command: [ 'git', 'rev-parse', '--short', 'HEAD' ],
+             fallback: get_option('profile') != 'default' ? 'devel' : '',
+             input: configure_file(
+                      output: 'demo_conf.h.in',
+                      configuration: demo_conf
+                    ),
+             output: 'demo_conf.h'
+           )
 )

-# appdata
-
-appdata_config = configuration_data()
-appdata_config.set('BUILD_VERSION', meson.project_version())
-
 subdir('constraint-editor')
 subdir('gtk-demo')
 subdir('icon-browser')
--- a/demos/node-editor/help-window.ui
+++ b/demos/node-editor/help-window.ui
@@ -2,8 +2,8 @@
 <interface>
  <object class="GtkWindow" id="window">
    <property name="title" translatable="yes">Help</property>
-    <property name="default-width">920</property>
-    <property name="default-height">600</property>
+    <property name="default-width">720</property>
+    <property name="default-height">520</property>
    <child>
      <object class="GtkScrolledWindow">
        <child>
--- a/demos/node-editor/meson.build
+++ b/demos/node-editor/meson.build
@@ -17,7 +17,7 @@ executable('gtk4-node-editor',
  c_args: [
    '-DNODE_EDITOR_SOURCE_DIR="@0@/../../testsuite/gsk/compare/"'.format(meson.current_source_dir())
  ] + common_cflags,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: false,
 )
--- a/demos/node-editor/node-editor-application.c
+++ b/demos/node-editor/node-editor-application.c
@@ -79,7 +79,7 @@ activate_about (GSimpleAction *action,
                          glib_micro_version);
  g_string_append_printf (s, "\tPango\t%s\n",
                          pango_version_string ());
-  g_string_append_printf (s, "\tGTK \t%d.%d.%d\n",
+  g_string_append_printf (s, "\tGTK\t%d.%d.%d\n",
                          gtk_get_major_version (),
                          gtk_get_minor_version (),
                          gtk_get_micro_version ());
--- a/demos/node-editor/node-editor-window.c
+++ b/demos/node-editor/node-editor-window.c
@@ -25,6 +25,7 @@

 #include "gsk/gskrendernodeparserprivate.h"
 #include "gsk/gl/gskglrenderer.h"
+#include "gsk/ngl/gsknglrenderer.h"
 #ifdef GDK_WINDOWING_BROADWAY
 #include "gsk/broadway/gskbroadwayrenderer.h"
 #endif
@@ -60,7 +61,7 @@ struct _NodeEditorWindow

  GtkWidget *renderer_listbox;
  GListStore *renderers;
-  GskRenderNode *node;
+  GdkPaintable *paintable;

  GFileMonitor *file_monitor;

@@ -167,6 +168,7 @@ static void
 text_changed (GtkTextBuffer    *buffer,
              NodeEditorWindow *self)
 {
+  GskRenderNode *node;
  char *text;
  GBytes *bytes;
  GtkTextIter iter;
@@ -177,12 +179,10 @@ text_changed (GtkTextBuffer    *buffer,
  text_buffer_remove_all_tags (self->text_buffer);
  bytes = g_bytes_new_take (text, strlen (text));

-  g_clear_pointer (&self->node, gsk_render_node_unref);
-
  /* If this is too slow, go fix the parser performance */
-  self->node = gsk_render_node_deserialize (bytes, deserialize_error_func, self);
+  node = gsk_render_node_deserialize (bytes, deserialize_error_func, self);
  g_bytes_unref (bytes);
-  if (self->node)
+  if (node)
    {
      /* XXX: Is this code necessary or can we have API to turn nodes into paintables? */
      GtkSnapshot *snapshot;
@@ -191,9 +191,10 @@ text_changed (GtkTextBuffer    *buffer,
      guint i;

      snapshot = gtk_snapshot_new ();
-      gsk_render_node_get_bounds (self->node, &bounds);
+      gsk_render_node_get_bounds (node, &bounds);
      gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- bounds.origin.x, - bounds.origin.y));
-      gtk_snapshot_append_node (snapshot, self->node);
+      gtk_snapshot_append_node (snapshot, node);
+      gsk_render_node_unref (node);
      paintable = gtk_snapshot_free_to_paintable (snapshot, &bounds.size);
      gtk_picture_set_paintable (GTK_PICTURE (self->picture), paintable);
      for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (self->renderers)); i++)
@@ -337,38 +338,17 @@ text_view_query_tooltip_cb (GtkWidget        *widget,
 }

 static gboolean
-load_bytes (NodeEditorWindow *self,
-            GBytes           *bytes);
-
-static void
-load_error (NodeEditorWindow *self,
-            const char        *error_message)
+load_file_contents (NodeEditorWindow *self,
+                    GFile            *file)
 {
-  PangoLayout *layout;
-  GtkSnapshot *snapshot;
-  GskRenderNode *node;
  GBytes *bytes;

-  layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), error_message);
-  pango_layout_set_width (layout, 300 * PANGO_SCALE);
-  snapshot = gtk_snapshot_new ();
-  gtk_snapshot_append_layout (snapshot, layout, &(GdkRGBA) { 0.7, 0.13, 0.13, 1.0 });
-  node = gtk_snapshot_free_to_node (snapshot);
-  bytes = gsk_render_node_serialize (node);
+  bytes = g_file_load_bytes (file, NULL, NULL, NULL);
+  if (bytes == NULL)
+    return FALSE;

-  load_bytes (self, bytes);
-
-  gsk_render_node_unref (node);
-  g_object_unref (layout);
-}
-
-static gboolean
-load_bytes (NodeEditorWindow *self,
-            GBytes           *bytes)
-{
  if (!g_utf8_validate (g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes), NULL))
    {
-      load_error (self, "Invalid UTF-8");
      g_bytes_unref (bytes);
      return FALSE;
    }
@@ -382,110 +362,6 @@ load_bytes (NodeEditorWindow *self,
  return TRUE;
 }

-static gboolean
-load_file_contents (NodeEditorWindow *self,
-                    GFile            *file)
-{
-  GError *error = NULL;
-  GBytes *bytes;
-
-  bytes = g_file_load_bytes (file, NULL, NULL, &error);
-  if (bytes == NULL)
-    {
-      load_error (self, error->message);
-      g_clear_error (&error);
-      return FALSE;
-    }
-
-  return load_bytes (self, bytes);
-}
-
-static GdkContentProvider *
-on_picture_drag_prepare_cb (GtkDragSource    *source,
-                            double            x,
-                            double            y,
-                            NodeEditorWindow *self)
-{
-  if (self->node == NULL)
-    return NULL;
-
-  return gdk_content_provider_new_typed (GSK_TYPE_RENDER_NODE, self->node);
-}
-
-static void
-on_picture_drop_read_done_cb (GObject      *source,
-                              GAsyncResult *res,
-                              gpointer      data)
-{
-  NodeEditorWindow *self = data;
-  GOutputStream *stream = G_OUTPUT_STREAM (source);
-  GdkDrop *drop = g_object_get_data (source, "drop");
-  GdkDragAction action = 0;
-  GBytes *bytes;
-
-  if (g_output_stream_splice_finish (stream, res, NULL) >= 0)
-    {
-      bytes = g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (stream));
-      if (load_bytes (self, bytes))
-        action = GDK_ACTION_COPY;
-    }
-
-  g_object_unref (self);
-  gdk_drop_finish (drop, action);
-  g_object_unref (drop);
-  return;
-}
-
-static void
-on_picture_drop_read_cb (GObject      *source,
-                         GAsyncResult *res,
-                         gpointer      data)
-{
-  NodeEditorWindow *self = data;
-  GdkDrop *drop = GDK_DROP (source);
-  GInputStream *input;
-  GOutputStream *output;
-
-  input = gdk_drop_read_finish (drop, res, NULL, NULL);
-  if (input == NULL)
-    {
-      g_object_unref (self);
-      gdk_drop_finish (drop, 0);
-      return;
-    }
-
-  output = g_memory_output_stream_new_resizable ();
-  g_object_set_data (G_OBJECT (output), "drop", drop);
-  g_object_ref (drop);
-
-  g_output_stream_splice_async (output,
-                                input,
-                                G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
-                                G_PRIORITY_DEFAULT,
-                                NULL,
-                                on_picture_drop_read_done_cb,
-                                self);
-  g_object_unref (output);
-  g_object_unref (input);
-}
-
-static gboolean
-on_picture_drop_cb (GtkDropTargetAsync *dest,
-                    GdkDrop            *drop,
-                    double              x,
-                    double              y,
-                    NodeEditorWindow   *self)
-{
-  gdk_drop_read_async (drop,
-                       (const char *[2]) { "application/x-gtk-render-node", NULL },
-                       G_PRIORITY_DEFAULT,
-                       NULL,
-                       on_picture_drop_read_cb,
-                       g_object_ref (self));
-
-  return TRUE;
-}
-
 static void
 file_changed_cb (GFileMonitor      *monitor,
                 GFile             *file,
@@ -505,18 +381,17 @@ node_editor_window_load (NodeEditorWindow *self,
 {
  GError *error = NULL;

-  g_clear_object (&self->file_monitor);
-
  if (!load_file_contents (self, file))
    return FALSE;

+  g_clear_object (&self->file_monitor);
  self->file_monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, &error);

+
  if (error)
    {
      g_warning ("couldn't monitor file: %s", error->message);
      g_error_free (error);
-      g_clear_object (&self->file_monitor);
    }
  else
    {
@@ -679,6 +554,7 @@ create_cairo_texture (NodeEditorWindow *self)
  GskRenderer *renderer;
  GskRenderNode *node;
  GdkTexture *texture;
+  GdkSurface *surface;

  paintable = gtk_picture_get_paintable (GTK_PICTURE (self->picture));
  if (paintable == NULL ||
@@ -691,8 +567,9 @@ create_cairo_texture (NodeEditorWindow *self)
  if (node == NULL)
    return NULL;

+  surface = gtk_native_get_surface (gtk_widget_get_native (GTK_WIDGET (self)));
  renderer = gsk_cairo_renderer_new ();
-  gsk_renderer_realize (renderer, NULL, NULL);
+  gsk_renderer_realize (renderer, surface, NULL);

  texture = gsk_renderer_render_texture (renderer, node, NULL);
  gsk_render_node_unref (node);
@@ -758,24 +635,6 @@ export_image_cb (GtkWidget        *button,
  gtk_widget_show (dialog);
 }

-static void
-clip_image_cb (GtkWidget        *button,
-               NodeEditorWindow *self)
-{
-  GdkTexture *texture;
-  GdkClipboard *clipboard;
-
-  texture = create_texture (self);
-  if (texture == NULL)
-    return;
-
-  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (self));
-
-  gdk_clipboard_set_texture (clipboard, texture);
-
-  g_object_unref (texture);
-}
-
 static void
 testcase_name_entry_changed_cb (GtkWidget        *button,
                                GParamSpec       *pspec,
@@ -859,7 +718,6 @@ node_editor_window_finalize (GObject *object)

  g_array_free (self->errors, TRUE);

-  g_clear_pointer (&self->node, gsk_render_node_unref);
  g_clear_object (&self->renderers);

  G_OBJECT_CLASS (node_editor_window_parent_class)->finalize (object);
@@ -870,18 +728,16 @@ node_editor_window_add_renderer (NodeEditorWindow *self,
                                 GskRenderer      *renderer,
                                 const char       *description)
 {
+  GdkSurface *surface;
  GdkPaintable *paintable;

-  if (!gsk_renderer_realize (renderer, NULL, NULL))
-    {
-      GdkSurface *surface = gtk_native_get_surface (GTK_NATIVE (self));
-      g_assert (surface != NULL);
+  surface = gtk_native_get_surface (GTK_NATIVE (self));
+  g_assert (surface != NULL);

-      if (!gsk_renderer_realize (renderer, surface, NULL))
-        {
-          g_object_unref (renderer);
-          return;
-        }
+  if (renderer != NULL && !gsk_renderer_realize (renderer, surface, NULL))
+    {
+      g_object_unref (renderer);
+      return;
    }

  paintable = gtk_renderer_paintable_new (renderer, gtk_picture_get_paintable (GTK_PICTURE (self->picture)));
@@ -907,6 +763,9 @@ node_editor_window_realize (GtkWidget *widget)
  node_editor_window_add_renderer (self,
                                   gsk_gl_renderer_new (),
                                   "OpenGL");
+  node_editor_window_add_renderer (self,
+                                   gsk_ngl_renderer_new (),
+                                   "NGL");
 #ifdef GDK_RENDERING_VULKAN
  node_editor_window_add_renderer (self,
                                   gsk_vulkan_renderer_new (),
@@ -967,12 +826,9 @@ node_editor_window_class_init (NodeEditorWindowClass *class)
  gtk_widget_class_bind_template_callback (widget_class, open_cb);
  gtk_widget_class_bind_template_callback (widget_class, save_cb);
  gtk_widget_class_bind_template_callback (widget_class, export_image_cb);
-  gtk_widget_class_bind_template_callback (widget_class, clip_image_cb);
  gtk_widget_class_bind_template_callback (widget_class, testcase_save_clicked_cb);
  gtk_widget_class_bind_template_callback (widget_class, testcase_name_entry_changed_cb);
  gtk_widget_class_bind_template_callback (widget_class, dark_mode_cb);
-  gtk_widget_class_bind_template_callback (widget_class, on_picture_drag_prepare_cb);
-  gtk_widget_class_bind_template_callback (widget_class, on_picture_drop_cb);
 }

 static GtkWidget *
--- a/demos/node-editor/node-editor-window.ui
+++ b/demos/node-editor/node-editor-window.ui
@@ -102,7 +102,6 @@
      <object class="GtkHeaderBar" id="header">
        <child type="start">
          <object class="GtkButton">
-            <property name="focus-on-click">0</property>
            <property name="icon-name">document-open-symbolic</property>
            <property name="tooltip-text">Open node file</property>
            <signal name="clicked" handler="open_cb"/>
@@ -110,7 +109,6 @@
        </child>
        <child type="start">
          <object class="GtkButton">
-            <property name="focus-on-click">0</property>
            <property name="icon-name">document-save-symbolic</property>
            <property name="tooltip-text">Save to node file</property>
            <signal name="clicked" handler="save_cb"/>
@@ -118,30 +116,24 @@
        </child>
        <child type="start">
          <object class="GtkButton">
-            <property name="focus-on-click">0</property>
            <property name="icon-name">insert-image-symbolic</property>
            <property name="tooltip-text">Export to image</property>
            <signal name="clicked" handler="export_image_cb"/>
          </object>
        </child>
        <child type="start">
-          <object class="GtkButton">
-            <property name="focus-on-click">0</property>
-            <property name="icon-name">edit-copy-symbolic</property>
-            <property name="tooltip-text">Copy image to clipboard</property>
-            <signal name="clicked" handler="clip_image_cb"/>
+          <object class="GtkSeparator">
+            <property name="orientation">vertical</property>
          </object>
        </child>
        <child type="start">
          <object class="GtkMenuButton">
-            <property name="focus-on-click">0</property>
            <property name="label">Save Testcase</property>
            <property name="popover">testcase_popover</property>
          </object>
        </child>
        <child type="end">
          <object class="GtkMenuButton" id="gear_menu_button">
-            <property name="focus-on-click">0</property>
            <property name="valign">center</property>
            <property name="menu-model">gear_menu</property>
            <property name="icon-name">open-menu-symbolic</property>
@@ -149,7 +141,6 @@
        </child>
        <child type="end">
          <object class="GtkToggleButton" id="dark_bg_button">
-            <property name="focus-on-click">0</property>
            <property name="valign">center</property>
            <property name="has-frame">0</property>
            <property name="icon-name">display-brightness-symbolic</property>
@@ -161,10 +152,9 @@
    </child>
    <child>
      <object class="GtkPaned">
-        <property name="shrink-start-child">false</property>
        <property name="shrink-end-child">false</property>
        <property name="position">400</property>
-        <property name="start-child">
+        <child>
          <object class="GtkScrolledWindow">
            <property name="hscrollbar-policy">never</property>
            <property name="hexpand">1</property>
@@ -185,8 +175,8 @@
              </object>
            </child>
          </object>
-        </property>
-        <property name="end-child">
+        </child>
+        <child>
          <object class="GtkBox">
            <child>
              <object class="GtkScrolledWindow">
@@ -199,22 +189,8 @@
                    <child>
                      <object class="GtkPicture" id="picture">
                        <property name="can-shrink">0</property>
-                        <property name="keep-aspect-ratio">1</property>
                        <property name="halign">center</property>
                        <property name="valign">center</property>
-                        <child>
-                          <object class="GtkDragSource">
-                            <property name="actions">copy</property>
-                            <signal name="prepare" handler="on_picture_drag_prepare_cb" swapped="no"/>
-                          </object>
-                        </child>
-                      </object>
-                    </child>
-                    <child>
-                      <object class="GtkDropTargetAsync">
-                        <property name="actions">copy</property>
-                        <property name="formats">application/x-gtk-render-node</property>
-                        <signal name="drop" handler="on_picture_drop_cb" swapped="no"/>
                      </object>
                    </child>
                  </object>
@@ -232,7 +208,7 @@
              </object>
            </child>
          </object>
-        </property>
+        </child>
      </object>
    </child>
  </template>
--- a/demos/print-editor/meson.build
+++ b/demos/print-editor/meson.build
@@ -3,7 +3,7 @@ executable('gtk4-print-editor',
  c_args: common_cflags,
  dependencies: [ libgtk_dep, demo_conf_h ],
  include_directories: confinc,
-  win_subsystem: 'windows',
+  gui_app: true,
  link_args: extra_demo_ldflags,
  install: true,
 )
--- a/demos/print-editor/org.gtk.PrintEditor4.appdata.xml
+++ b/demos/print-editor/org.gtk.PrintEditor4.appdata.xml
@@ -1,9 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
-  <id>org.gtk.PrintEditor4</id>
-  <launchable type="desktop-id">org.gtk.PrintEditor4.desktop</launchable>
+  <id>org.gtk.PrintEditor4.desktop</id>
  <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LGPL-2.1-or-later</project_license>
+  <project_license>LGPL-2.0+</project_license>
  <name>GTK Print Editor</name>
  <summary>Program to demonstrate GTK printing</summary>
  <description>
@@ -25,7 +24,6 @@
  <translation type="gettext">gtk-4.0</translation>
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
-  <content_rating type="oars-1.1"/>
  <releases>
    <release version="3.99.0" date="2020-07-30">
      <description>
--- a/demos/print-editor/print-editor.c
+++ b/demos/print-editor/print-editor.c
@@ -42,7 +42,7 @@ update_statusbar (void)
  const char *print_str;

  gtk_statusbar_pop (GTK_STATUSBAR (statusbar), 0);
-
+  
  gtk_text_buffer_get_iter_at_mark (buffer,
                                    &iter,
                                    gtk_text_buffer_get_insert (buffer));
@@ -56,7 +56,7 @@ update_statusbar (void)
      GtkPrintOperation *op = active_prints->data;
      print_str = gtk_print_operation_get_status_string (op);
    }
-
+  
  msg = g_strdup_printf ("%d, %d%s %s",
                         row, col,
 			 file_changed?" - Modified":"",
@@ -159,7 +159,7 @@ save_file (GFile *save_filename)

  error = NULL;
  g_file_replace_contents (save_filename,
-                           text, strlen (text),
+                           text, -1,
                           NULL, FALSE,
                           G_FILE_CREATE_NONE,
                           NULL,
@@ -188,10 +188,10 @@ save_file (GFile *save_filename)
 					     "Error saving to file %s:\n%s",
 					     display_name,
 					     error->message);
-
+      
      g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_window_destroy), NULL);
      gtk_widget_show (error_dialog);
-
+      
      g_error_free (error);
      g_object_unref (info);
    }
@@ -229,7 +229,7 @@ begin_print (GtkPrintOperation *operation,
  pango_font_description_free (desc);

  pango_layout_set_width (print_data->layout, width * PANGO_SCALE);
-
+  
  pango_layout_set_text (print_data->layout, print_data->text, -1);

  num_lines = pango_layout_get_line_count (print_data->layout);
@@ -241,7 +241,7 @@ begin_print (GtkPrintOperation *operation,
    {
      PangoRectangle ink_rect, logical_rect;
      double line_height;
-
+      
      layout_line = pango_layout_get_line (print_data->layout, line);
      pango_layout_line_get_extents (layout_line, &ink_rect, &logical_rect);

@@ -258,7 +258,7 @@ begin_print (GtkPrintOperation *operation,

  page_breaks = g_list_reverse (page_breaks);
  gtk_print_operation_set_n_pages (operation, g_list_length (page_breaks) + 1);
-
+  
  print_data->page_breaks = page_breaks;
 }

@@ -287,11 +287,11 @@ draw_page (GtkPrintOperation *operation,
    end = pango_layout_get_line_count (print_data->layout);
  else
    end = GPOINTER_TO_INT (pagebreak->data);
-
+    
  cr = gtk_print_context_get_cairo_context (context);

  cairo_set_source_rgb (cr, 0, 0, 0);
-
+  
  i = 0;
  start_pos = 0;
  iter = pango_layout_get_iter (print_data->layout);
@@ -307,12 +307,12 @@ draw_page (GtkPrintOperation *operation,

 	  pango_layout_iter_get_line_extents (iter, NULL, &logical_rect);
 	  baseline = pango_layout_iter_get_baseline (iter);
-
+	  
 	  if (i == start)
 	    start_pos = logical_rect.y / 1024.0;
-
+	  
 	  cairo_move_to (cr, logical_rect.x / 1024.0, baseline / 1024.0 - start_pos);
-
+	  
 	  pango_cairo_show_layout_line  (cr, line);
 	}
      i++;
@@ -383,9 +383,9 @@ print_done (GtkPrintOperation *op,
    {

      GtkWidget *error_dialog;
-
+      
      gtk_print_operation_get_error (op, &error);
-
+      
      error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
 					     GTK_DIALOG_DESTROY_WITH_PARENT,
 					     GTK_MESSAGE_ERROR,
@@ -405,13 +405,13 @@ print_done (GtkPrintOperation *op,
  g_free (print_data->text);
  g_free (print_data->font);
  g_free (print_data);
-
+  
  if (!gtk_print_operation_is_finished (op))
    {
      g_object_ref (op);
      active_prints = g_list_append (active_prints, op);
      update_statusbar ();
-
+      
      /* This ref is unref:ed when we get the final state change */
      g_signal_connect (op, "status_changed",
 			G_CALLBACK (status_changed_cb), NULL);
@@ -628,7 +628,7 @@ activate_about (GSimpleAction *action,
                          glib_micro_version);
  g_string_append_printf (sysinfo, "\tPango\t%s\n",
                          pango_version_string ());
-  g_string_append_printf (sysinfo, "\tGTK \t%d.%d.%d\n",
+  g_string_append_printf (sysinfo, "\tGTK\t%d.%d.%d\n",
                          gtk_get_major_version (),
                          gtk_get_minor_version (),
                          gtk_get_micro_version ());
@@ -721,6 +721,7 @@ static const char ui_info[] =
  "        <item>"
  "          <attribute name='label'>_New</attribute>"
  "          <attribute name='action'>app.new</attribute>"
+  "          <attribute name='accel'>&lt;Primary&gt;n</attribute>"
  "        </item>"
  "        <item>"
  "          <attribute name='label'>_Open</attribute>"
@@ -729,10 +730,12 @@ static const char ui_info[] =
  "        <item>"
  "          <attribute name='label'>_Save</attribute>"
  "          <attribute name='action'>app.save</attribute>"
+  "          <attribute name='accel'>&lt;Primary&gt;s</attribute>"
  "        </item>"
  "        <item>"
  "          <attribute name='label'>Save _As...</attribute>"
  "          <attribute name='action'>app.save-as</attribute>"
+  "          <attribute name='accel'>&lt;Primary&gt;s</attribute>"
  "        </item>"
  "      </section>"
  "      <section>"
@@ -753,6 +756,7 @@ static const char ui_info[] =
  "        <item>"
  "          <attribute name='label'>_Quit</attribute>"
  "          <attribute name='action'>app.quit</attribute>"
+  "          <attribute name='accel'>&lt;Primary&gt;q</attribute>"
  "        </item>"
  "      </section>"
  "    </submenu>"
@@ -762,6 +766,7 @@ static const char ui_info[] =
  "        <item>"
  "          <attribute name='label'>_About Print Editor</attribute>"
  "          <attribute name='action'>app.about</attribute>"
+  "          <attribute name='accel'>&lt;Primary&gt;a</attribute>"
  "        </item>"
  "      </section>"
  "    </submenu>"
@@ -789,15 +794,6 @@ startup (GApplication *app)
 {
  GtkBuilder *builder;
  GMenuModel *menubar;
-  struct {
-    const char *action_and_target;
-    const char *accelerators[2];
-  } accels[] = {
-    { "app.new", { "<Control>n", NULL } },
-    { "app.quit", { "<Control>q", NULL } },
-    { "app.save", { "<Control>s", NULL } },
-    { "app.about", { "<Control>a", NULL } },
-  };

  builder = gtk_builder_new ();
  gtk_builder_add_from_string (builder, ui_info, -1, NULL);
@@ -806,9 +802,6 @@ startup (GApplication *app)

  gtk_application_set_menubar (GTK_APPLICATION (app), menubar);

-  for (int i = 0; i < G_N_ELEMENTS (accels); i++)
-    gtk_application_set_accels_for_action (GTK_APPLICATION (app), accels[i].action_and_target, accels[i].accelerators);
-
  g_object_unref (builder);
 }

--- a/demos/widget-factory/beach.jpg
+++ b/demos/widget-factory/beach.jpg
--- a/demos/widget-factory/gtk-logo.webm
+++ b/demos/widget-factory/gtk-logo.webm
--- a/demos/widget-factory/icons/16x16/actions/call-start-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/call-start-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/call-stop-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/call-stop-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/document-new-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/document-new-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-indent-less-symbolic-rtl.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-indent-less-symbolic-rtl.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-indent-less-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-indent-less-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-indent-more-symbolic-rtl.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-indent-more-symbolic-rtl.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-indent-more-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-indent-more-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-justify-center-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-justify-center-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-justify-fill-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-justify-fill-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-justify-left-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-justify-left-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/format-justify-right-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/format-justify-right-symbolic.symbolic.png
--- a/demos/widget-factory/icons/16x16/actions/insert-link-symbolic.symbolic.png
+++ b/demos/widget-factory/icons/16x16/actions/insert-link-symbolic.symbolic.png
--- a/Show More
+++ b/Show More