4.12.2

This conversion of GtkStatusbar was a bit too
quick.

Fixes: #6107

.clang-format

@@ -1,4 +1,4 @@
-# See https://www.apertis.org/policies/coding_conventions/#code-formatting
+# See https://wiki.apertis.org/Guidelines/Coding_conventions#Code_formatting
 BasedOnStyle: GNU
 AlwaysBreakAfterDefinitionReturnType: All
 BreakBeforeBinaryOperators: None

.gitlab-ci.yml

@@ -26,21 +26,12 @@ variables:
   BACKEND_FLAGS: "-Dx11-backend=true -Dwayland-backend=true -Dbroadway-backend=true"
   FEATURE_FLAGS: "-Dvulkan=enabled -Dcloudproviders=enabled -Dbuild-testsuite=true -Dintrospection=enabled"
   MESON_TEST_TIMEOUT_MULTIPLIER: 3
-  MESON_TEST_MAX_PROCESSES: 8
-  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v52"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v48"
 
 workflow:
   rules:
-    # run merge request pipelines
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    # do not run branch pipelines if corresponding merge requests exist...
-    # (this avoids duplicate pipelines)
-    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
-      when: never
-    # ...but otherwise run branch pipelines
-    - if: $CI_COMMIT_BRANCH
-    # run tag pipelines
     - if: $CI_COMMIT_TAG
+    - if: $CI_COMMIT_BRANCH
 
 default:
   retry:
@@ -67,8 +58,7 @@ style-check-diff:
       junit:
         - "${CI_PROJECT_DIR}/_build/report-x11.xml"
         - "${CI_PROJECT_DIR}/_build/report-wayland.xml"
-        - "${CI_PROJECT_DIR}/_build/report-wayland_gl.xml"
-        - "${CI_PROJECT_DIR}/_build/report-wayland_gles2.xml"
+        - "${CI_PROJECT_DIR}/_build/report-wayland_gles.xml"
         - "${CI_PROJECT_DIR}/_build/report-broadway.xml"
     name: "gtk-${CI_COMMIT_REF_NAME}"
     paths:
@@ -79,7 +69,6 @@ style-check-diff:
       - "${CI_PROJECT_DIR}/_build/testsuite/reftests/output/*/*.node"
       - "${CI_PROJECT_DIR}/_build/testsuite/tools/output/*/*"
       - "${CI_PROJECT_DIR}/_build/testsuite/gsk/compare/*/*/*.png"
-      - "${CI_PROJECT_DIR}/_build/testsuite/gsk/compare/*/*/*.node"
       - "${CI_PROJECT_DIR}/_build/testsuite/css/output/*/*.syscap"
       - "${CI_PROJECT_DIR}/_build/testsuite/headless/*/*.log"
       - "${CI_PROJECT_DIR}/_build_hello/meson-logs"
@@ -106,9 +95,8 @@ fedora-x86_64:
             ${FEATURE_FLAGS}
             _build
     - meson compile -C _build
-    - .gitlab-ci/run-tests.sh _build x11 gtk
-    # only repeat test runs that are likely affected by test setups
-    - .gitlab-ci/run-tests.sh _build wayland_gl gtk:gdk,gtk:gsk-gl
+    - .gitlab-ci/run-tests.sh _build wayland
+    - .gitlab-ci/run-tests.sh _build wayland_gles
 
 release-build:
   extends: .build-fedora-default
@@ -118,11 +106,10 @@ release-build:
     EXTRA_MESON_FLAGS: "--buildtype=release"
   script:
     - .gitlab-ci/show-info-linux.sh
-    - mkdir _install
-    - export PATH="$HOME/.local/bin:${CI_PROJECT_DIR}/_install/bin:$PATH"
-    - .gitlab-ci/install-meson-project.sh --prefix ${CI_PROJECT_DIR}/_install https://gitlab.gnome.org/jadahl/catch.git main
+    - export PATH="$HOME/.local/bin:$PATH"
     - meson subprojects download
     - meson subprojects update --reset
+    - mkdir _install
     - meson setup
             --prefix=${CI_PROJECT_DIR}/_install
             ${COMMON_MESON_FLAGS}
@@ -134,9 +121,7 @@ release-build:
     - meson install -C _build
     - PKG_CONFIG_PATH=${CI_PROJECT_DIR}/_install/lib64/pkgconfig:${CI_PROJECT_DIR}/_install/share/pkgconfig meson setup _build_hello examples/hello
     - LD_LIBRARY_PATH=${CI_PROJECT_DIR}/_install/lib64 meson compile -C _build_hello
-    - .gitlab-ci/run-tests.sh _build wayland gtk
-    # only repeat test runs that are likely affected by test setups
-    - .gitlab-ci/run-tests.sh _build wayland_gles2 gtk:gdk,gtk:gsk-gl
+    - .gitlab-ci/run-tests.sh _build x11
 
 fedora-clang:
   extends: .build-fedora-default
@@ -213,53 +198,34 @@ msys2-mingw64:
       - "${CI_PROJECT_DIR}/_build/gtkdll.tar.gz"
 
 macos:
+  # Sadly, this fails regularly, and its failure is never enlightening
+  allow_failure: true
   rules:
-    # Do not run in forks as the runner is not available there.
-    # (except for dehesselle who maintains the runner)
-    - if: $CI_PROJECT_NAMESPACE != "GNOME" && $CI_PROJECT_NAMESPACE != "dehesselle"
-      when: never
-    - if: $RUNNER == "macosintel"
-      variables:
-        SDKROOT: /opt/sdks/MacOSX10.13.4.sdk
-        NINJA_PKG: $CI_API_V4_URL/projects/30745/packages/generic/ninja_macos/v1.11.1.1+9/ninja-1.11.1.1-cp38-cp38-macosx_11_0_x86_64.whl
-      when: manual
-      allow_failure: true
-    - if: $RUNNER == "macosarm"
-      variables:
-        SDKROOT: /opt/sdks/MacOSX11.3.sdk
-        NINJA_PKG: ninja==1.11.1.1
+    - if: $CI_PROJECT_NAMESPACE == "GNOME"
   stage: build
-  parallel:
-    matrix:
-      - RUNNER: [ "macosintel", "macosarm" ]
   tags:
-    - ${RUNNER}
+    - macos
   needs: []
-  variables:
-    EXTRA_MESON_FLAGS: ""
-    BACKEND_FLAGS: "-Dx11-backend=false -Dbroadway-backend=true"
-    FEATURE_FLAGS: "-Dmedia-gstreamer=disabled -Dintrospection=enabled -Dgobject-introspection:werror=false"
-    TMPDIR: /Users/Shared/work/tmp
-    PIP_CACHE_DIR: /Users/Shared/build/cache
-    PIPENV_CACHE_DIR: $PIP_CACHE_DIR
-    PYTHONPYCACHEPREFIX: $PIP_CACHE_DIR
   before_script:
-    - .gitlab-ci/show-info-macos.sh
-    - python3 -m venv .venv
-    # Building the introspection feature requires pkg-config and bison.
-    - curl -L $CI_API_V4_URL/projects/30437/packages/generic/pkgconfig/v0.29.2+10/pkg-config-0.29.2+10_$(uname -m).tar.xz | tar -C .venv -xJ
-    - curl -L $CI_API_V4_URL/projects/30438/packages/generic/bison/v3.8.2+3/bison-3.8.2+3_$(uname -m).tar.xz | tar -C .venv -xJ
-    - source .venv/bin/activate
-    - pip3 install meson==1.3.2 $NINJA_PKG
-    # We're not setting up ccache here on purpose as it accelerates the build
-    # so much that it triggers race conditions in the gobject-introspection
-    # subproject.
+    - bash .gitlab-ci/show-info-osx.sh
+    - pip3 install --user meson~=1.0
+    - pip3 install --user ninja
+    - export PATH=/Users/gitlabrunner/Library/Python/3.7/bin:$PATH
+    - export MESON_FORCE_BACKTRACE=1
   script:
-    - meson setup
-            ${COMMON_MESON_FLAGS}
-            ${EXTRA_MESON_FLAGS}
-            ${BACKEND_FLAGS}
-            ${FEATURE_FLAGS}
+    - meson setup ${COMMON_MESON_FLAGS}
+            -Dx11-backend=false
+            -Dbroadway-backend=true
+            -Dmacos-backend=true
+            -Dmedia-gstreamer=disabled
+            -Dintrospection=disabled
+            -Dcpp_std=c++11
+            -Dpixman:tests=disabled
+            -Dlibjpeg-turbo:simd=disabled
+            -Dbuild-demos=false
+            -Dbuild-tests=false
+            -Dbuild-examples=false
+            -Dbuild-testsuite=false
             _build
     - meson compile -C _build
   artifacts:
@@ -415,12 +381,11 @@ static-scan:
 # Run tests with the address sanitizer. We need to turn off introspection
 # and f16c, since they are incompatible with asan
 asan-build:
-  extends: .build-fedora-default
+  image: $FEDORA_IMAGE
   tags: [ asan ]
   stage: analysis
   needs: []
   variables:
-    MESON_TEST_MAX_PROCESSES: 4
   script:
     - export PATH="$HOME/.local/bin:$PATH"
     - CC=clang meson setup
@@ -434,7 +399,13 @@ asan-build:
             -Df16c=disabled
             _build
     - ninja -C _build
-    - .gitlab-ci/run-tests.sh _build wayland gtk
+    - .gitlab-ci/run-tests.sh _build wayland
+    - .gitlab-ci/run-tests.sh _build wayland_gles
+    - .gitlab-ci/run-tests.sh _build x11
+  artifacts:
+    when: always
+    paths:
+      - "${CI_PROJECT_DIR}/_build/meson-logs"
 
 reference:
   image: $FEDORA_IMAGE
@@ -448,10 +419,10 @@ reference:
             --force-fallback-for=gdk-pixbuf,pango
             -Dintrospection=enabled
             -Ddocumentation=true
-            -Dman-pages=true
+            -Dgtk_doc=true
             -Dgdk-pixbuf:gtk_doc=true
-            -Dpango:documentation=true
-            -Dbuild-demos=true
+            -Dpango:gtk_doc=true
+            -Dbuild-demos=false
             -Dbuild-examples=false
             -Dbuild-tests=false
             -Dbuild-testsuite=false
@@ -463,7 +434,6 @@ reference:
     - mv _build/docs/reference/gdk/gdk4-wayland/ _reference/gdk4-wayland/
     - mv _build/docs/reference/gsk/gsk4/ _reference/gsk4/
     - mv _build/docs/reference/gtk/gtk4/ _reference/gtk4/
-    - mv _build/docs/reference/gtk/*.html _reference/gtk4/
     - mv _build/subprojects/pango/docs/Pango/ _reference/Pango/
     - mv _build/subprojects/pango/docs/PangoCairo/ _reference/PangoCairo/
     - mv _build/subprojects/pango/docs/PangoFc/ _reference/PangoFc/
@@ -485,4 +455,3 @@ publish-docs:
     - "curl -X POST -F token=${PAGES_TRIGGER_TOKEN} -F ref=docs-gtk-org https://gitlab.gnome.org/api/v4/projects/665/trigger/pipeline"
   rules:
     - if: $CI_COMMIT_REF_NAME == "main"
-

.gitlab-ci/fedora.Dockerfile

@@ -1,7 +1,9 @@
-FROM fedora:40
+FROM fedora:38
 
 RUN dnf -y install \
     adwaita-icon-theme \
+    atk-devel \
+    at-spi2-atk-devel \
     avahi-gobject-devel \
     cairo-devel \
     cairo-gobject-devel \
@@ -16,6 +18,7 @@ RUN dnf -y install \
     dejavu-sans-mono-fonts \
     desktop-file-utils \
     diffutils \
+    docbook-style-xsl \
     elfutils-libelf-devel \
     expat-devel \
     fribidi-devel \
@@ -99,11 +102,8 @@ RUN dnf -y install \
     which \
     wireplumber \
     xorg-x11-server-Xvfb \
- && dnf -y update \
  && dnf clean all
 
-RUN rm /usr/share/vulkan/icd.d/powervr_mesa_icd.x86_64.json
-
 # Enable sudo for wheel users
 RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers
 

.gitlab-ci/flatpak-build.sh

@@ -24,10 +24,10 @@ flatpak build ${builddir} meson \
                 -Dbuild-examples=false \
                 -Dintrospection=disabled \
                 -Dbuild-demos=true \
-                -Dprofile=devel \
+                -Ddemo-profile=devel \
                 _flatpak_build
 
-flatpak build --env=CI_COMMIT_SHORT_SHA=$CI_COMMIT_SHORT_SHA ${builddir} ninja -C _flatpak_build install
+flatpak build ${builddir} ninja -C _flatpak_build install
 
 flatpak-builder \
         --user --disable-rofiles-fuse \

.gitlab-ci/install-meson-project.sh

@@ -1,91 +0,0 @@
-#!/bin/bash
-
-set -e
-
-usage() {
-  cat <<-EOF
-	Usage: $(basename $0) [OPTION…] REPO_URL COMMIT
-
-	Check out and install a meson project
-
-	Options:
-	  -Dkey=val      Option to pass on to meson
-	  --prefix       Prefix to install to
-	  --subdir       Build subdirectory instead of whole project
-	  --prepare      Script to run before build
-
-	  -h, --help     Display this help
-
-	EOF
-}
-
-TEMP=$(getopt \
-  --name=$(basename $0) \
-  --options='D:h' \
-  --longoptions='prefix:' \
-  --longoptions='subdir:' \
-  --longoptions='prepare:' \
-  --longoptions='help' \
-  -- "$@")
-
-eval set -- "$TEMP"
-unset TEMP
-
-MESON_OPTIONS=()
-PREFIX=/usr
-SUBDIR=.
-PREPARE=:
-
-while true; do
-  case "$1" in
-    -D)
-      MESON_OPTIONS+=( -D$2 )
-      shift 2
-    ;;
-
-    --prefix)
-      PREFIX=$2
-      shift 2
-    ;;
-
-    --subdir)
-      SUBDIR=$2
-      shift 2
-    ;;
-
-    --prepare)
-      PREPARE=$2
-      shift 2
-    ;;
-
-    -h|--help)
-      usage
-      exit 0
-    ;;
-
-    --)
-      shift
-      break
-    ;;
-  esac
-done
-
-if [[ $# -lt 2 ]]; then
-  usage
-  exit 1
-fi
-
-REPO_URL="$1"
-COMMIT="$2"
-
-CHECKOUT_DIR=$(mktemp --directory)
-trap "rm -rf $CHECKOUT_DIR" EXIT
-
-git clone --depth 1 "$REPO_URL" -b "$COMMIT" "$CHECKOUT_DIR"
-
-pushd "$CHECKOUT_DIR/$SUBDIR"
-sh -c "$PREPARE"
-meson setup --prefix "$PREFIX" _build "${MESON_OPTIONS[@]}"
-meson compile -C _build
-meson install -C _build
-popd

.gitlab-ci/meson-html-report.py

@@ -324,7 +324,7 @@ for line in args.infile:
     units.append(unit)
 
 report = {}
-report['date'] = datetime.datetime.now(datetime.UTC)
+report['date'] = datetime.datetime.utcnow()
 report['locale_date'] = report['date'].strftime("%c")
 report['project_name'] = args.project_name
 report['backend'] = args.backend

.gitlab-ci/meson-junit-report.py

@@ -44,7 +44,7 @@ outfile = args.output
 testsuites = ET.Element('testsuites')
 testsuites.set('id', '{}/{}'.format(args.job_id, args.branch))
 testsuites.set('package', args.project_name)
-testsuites.set('timestamp', datetime.datetime.now(datetime.UTC).isoformat(timespec='minutes'))
+testsuites.set('timestamp', datetime.datetime.utcnow().isoformat(timespec='minutes'))
 
 suites = {}
 for line in args.infile:

.gitlab-ci/run-tests.sh

@@ -1,33 +1,28 @@
 #!/bin/bash
 
-set -x
+set +x
 set +e
 
 srcdir=$( pwd )
 builddir=$1
-setup=$2
-suite=$3
+backend=$2
 multiplier=${MESON_TEST_TIMEOUT_MULTIPLIER:-1}
-n_processes=${MESON_TEST_MAX_PROCESSES:-1}
 
 # Ignore memory leaks lower in dependencies
 export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp:print_suppressions=0:detect_leaks=0:allocator_may_return_null=1
+export G_SLICE=always-malloc
 
-case "${setup}" in
-  x11*)
-    dbus-run-session -- \
-       xvfb-run -a -s "-screen 0 1024x768x24 -noreset" \
+case "${backend}" in
+  x11)
+    xvfb-run -a -s "-screen 0 1024x768x24 -noreset" \
           meson test -C ${builddir} \
                 --quiet \
                 --timeout-multiplier "${multiplier}" \
-                --num-processes "${n_processes}" \
                 --print-errorlogs \
-                --setup=${setup} \
-                --suite=${suite//,/ --suite=} \
+                --setup=${backend} \
+                --suite=gtk \
                 --no-suite=failing \
-                --no-suite=${setup}_failing \
                 --no-suite=flaky \
-                --no-suite=headless \
                 --no-suite=gsk-compare-broadway
 
     # Store the exit code for the CI run, but always
@@ -42,50 +37,43 @@ case "${setup}" in
     compositor=$!
     export WAYLAND_DISPLAY=wayland-5
 
-    dbus-run-session -- \
-          meson test -C ${builddir} \
+    meson test -C ${builddir} \
                 --quiet \
                 --timeout-multiplier "${multiplier}" \
-                --num-processes "${n_processes}" \
                 --print-errorlogs \
-                --setup=${setup} \
-                --suite=${suite//,/ --suite=} \
+                --setup=${backend} \
+                --suite=gtk \
                 --no-suite=failing \
-                --no-suite=${setup}_failing \
                 --no-suite=flaky \
-                --no-suite=headless \
+                --no-suite=${backend}_failing \
                 --no-suite=gsk-compare-broadway
     exit_code=$?
 
     kill ${compositor}
     ;;
 
-  broadway*)
+  broadway)
     export XDG_RUNTIME_DIR="$(mktemp -p $(pwd) -d xdg-runtime-XXXXXX)"
 
     ${builddir}/gdk/broadway/gtk4-broadwayd :5 &
     server=$!
     export BROADWAY_DISPLAY=:5
 
-    dbus-run-session -- \
-          meson test -C ${builddir} \
+    meson test -C ${builddir} \
                 --quiet \
                 --timeout-multiplier "${multiplier}" \
-                --num-processes "${n_processes}" \
                 --print-errorlogs \
-                --setup=${setup} \
-                --suite=${suite//,/ --suite=} \
+                --setup=${backend} \
+                --suite=gtk \
                 --no-suite=failing \
-                --no-suite=${setup}_failing \
                 --no-suite=flaky \
-                --no-suite=headless \
                 --no-suite=gsk-compare-opengl
 
     kill ${server}
     ;;
 
   *)
-    echo "Failed to add ${setup} to .gitlab-ci/run-tests.sh"
+    echo "Failed to add ${backend} to .gitlab-ci/run-tests.sh"
     exit 1
     ;;
 
@@ -95,17 +83,17 @@ cd ${builddir}
 
 $srcdir/.gitlab-ci/meson-junit-report.py \
             --project-name=gtk \
-            --backend="${setup}" \
+            --backend="${backend}" \
             --job-id="${CI_JOB_NAME}" \
-            --output="report-${setup}.xml" \
-            "meson-logs/testlog-${setup}.json"
+            --output="report-${backend}.xml" \
+            "meson-logs/testlog-${backend}.json"
 
 $srcdir/.gitlab-ci/meson-html-report.py \
             --project-name=gtk \
-            --backend="${setup}" \
+            --backend="${backend}" \
             --job-id="${CI_JOB_NAME}" \
-            --reftest-output-dir="testsuite/reftests/output/${setup}" \
-            --output="report-${setup}.html" \
-            "meson-logs/testlog-${setup}.json"
+            --reftest-output-dir="testsuite/reftests/output/${backend}" \
+            --output="report-${backend}.html" \
+            "meson-logs/testlog-${backend}.json"
 
 exit $exit_code

.gitlab-ci/show-info-osx.sh

@@ -3,11 +3,6 @@
 set -eux -o pipefail
 
 xcodebuild -version || :
-
-if [ -z "$SDKROOT" ]; then
-  xcodebuild -showsdks || :
-else
-  echo "SDKROOT = $SDKROOT"
-fi
+xcodebuild -showsdks || :
 
 system_profiler SPSoftwareDataType || :

.gitlab-ci/test-msvc.bat

@@ -6,7 +6,7 @@ call "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliar
 
 :: FIXME: make warnings fatal
 pip3 install --upgrade --user meson~=0.64 || goto :error
-meson setup -Dbackend_max_links=1 -Ddebug=false -Dmedia-gstreamer=disabled -Dvulkan=disabled _build || goto :error
+meson setup -Dbackend_max_links=1 -Ddebug=false -Dmedia-gstreamer=disabled _build || goto :error
 ninja -C _build || goto :error
 
 goto :EOF

.gitlab-ci/test-msys2.sh

@@ -33,9 +33,7 @@ pacman --noconfirm -S --needed \
     mingw-w64-$MSYS2_ARCH-gst-plugins-bad-libs \
     mingw-w64-$MSYS2_ARCH-shared-mime-info \
     mingw-w64-$MSYS2_ARCH-python-gobject \
-    mingw-w64-$MSYS2_ARCH-shaderc \
-    mingw-w64-$MSYS2_ARCH-vulkan \
-    mingw-w64-$MSYS2_ARCH-vulkan-headers
+    mingw-w64-$MSYS2_ARCH-shaderc
 
 mkdir -p _ccache
 export CCACHE_BASEDIR="$(pwd)"
@@ -45,10 +43,11 @@ export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 ccache --zero-stats
 ccache --show-stats
 export CCACHE_DISABLE=true
-meson setup \
+meson \
     -Dx11-backend=false \
     -Dwayland-backend=false \
     -Dwin32-backend=true \
+    -Dvulkan=disabled \
     -Dintrospection=enabled \
     -Dgtk:werror=true \
     _build

CONTRIBUTING.md

@@ -35,7 +35,8 @@ The issue tracker is meant to be used for actionable issues only.
 
 You should not open a new issue for security related questions.
 
-When in doubt, follow the process for [GNOME security issues](https://security.gnome.org/).
+When in doubt, send an email to the [security](mailto:security@gnome.org)
+mailing list.
 
 ### Bug reports
 
@@ -100,16 +101,14 @@ development tools appropriate for your operating system, including:
  - Meson
  - Ninja
  - Gettext (19.7 or newer)
- - a [C99 compatible compiler][glib-toolchain-reqs]
+ - a [C99 compatible compiler](https://wiki.gnome.org/Projects/GLib/CompilerRequirements)
 
 Up-to-date instructions about developing GNOME applications and libraries
 can be found on [the GNOME Developer Center](https://developer.gnome.org).
 
 The GTK project uses GitLab for code hosting and for tracking issues. More
-information about using GitLab can be found on [the GNOME handbook][handbook].
-
-[glib-toolchain-reqs]: https://gitlab.gnome.org/GNOME/glib/-/blob/main/docs/toolchain-requirements.md
-[handbook]: https://handbook.gnome.org/infrastructure/gitlab.html
+information about using GitLab can be found [on the GNOME
+wiki](https://wiki.gnome.org/GitLab).
 
 ### Dependencies
 
@@ -133,7 +132,7 @@ GTK will attempt to download and build some of these dependencies if it
 cannot find them on your system.
 
 Additionally, you may want to look at projects that create a development
-environment for you, like [jhbuild](https://gitlab.gnome.org/GNOME/jhbuild)
+environment for you, like [jhbuild](https://wiki.gnome.org/HowDoI/Jhbuild)
 and [gvsbuild](https://github.com/wingtk/gvsbuild).
 
 ### Getting started
@@ -146,28 +145,33 @@ $ git clone https://gitlab.gnome.org/yourusername/gtk.git
 $ cd gtk
 ```
 
+**Note**: if you plan to push changes to back to the main repository and
+have a GNOME account, you can skip the fork, and use the following instead:
+
+```sh
+$ git clone git@gitlab.gnome.org:GNOME/gtk.git
+$ cd gtk
+```
+
 To compile the Git version of GTK on your system, you will need to
 configure your build using Meson:
 
 ```sh
-$ meson setup _builddir .
-$ meson compile -C _builddir
+$ meson _builddir .
+$ cd _builddir
+$ ninja
 ```
 
 Typically, you should work on your own branch:
 
 ```sh
-$ git switch -C your-branch
+$ git checkout -b your-branch
 ```
 
 Once you've finished working on the bug fix or feature, push the branch
 to the Git repository and open a new merge request, to let the GTK
 maintainers review your contribution.
 
-**Important**: Do **not** attach a diff or a patch file to a GitLab issue.
-Patches cannot be reviewed, and do not not go through the CI pipeline. If
-you wish to submit your changes to GTK, always use a merge request.
-
 ### Code reviews
 
 Each contribution is reviewed by the core developers of the GTK project.
@@ -210,7 +214,7 @@ Closes #1234
  `git commit -a --author "Joe Coder <joe@coder.org>"` and `--signoff`.
 
  - If your commit is addressing an issue, use the
- [GitLab syntax](https://docs.gitlab.com/ee/user/project/issues/managing_issues.html#closing-issues-automatically)
+ [GitLab syntax](https://docs.gitlab.com/ce/user/project/issues/automatic_issue_closing.html)
  to automatically close the issue when merging the commit with the upstream
  repository:
 
@@ -240,11 +244,13 @@ people committing to GTK to follow a few rules:
    code, you should always ask. If your change is minor and you've been
    working on GTK for a while it probably isn't necessary to ask. But when
    in doubt, ask. Even if your change is correct, somebody may know a
-   better way to do things.
-   The `gtk` [room on matrix](https://matrix.to/#/#gtk:gnome.org) is also a
-   good place to find GTK developers to discuss changes, but if you live
-   outside of the EU/US time zones, the [gtk tag on the GNOME Discourse instance](https://discourse.gnome.org/tag/gtk)
-   is the most certain and preferred method.
+   better way to do things. If you are making changes to GTK, you should
+   be subscribed to the [gtk-devel](https://mail.gnome.org/mailman/listinfo/gtk-devel-list)
+   mailing list; this is a good place to ask about intended changes.
+   The `#gtk` IRC channel on irc.gnome.org is also a good place to find GTK
+   developers to discuss changes, but if you live outside of the EU/US time
+   zones, an email to the gtk-devel mailing list is the most certain and
+   preferred method.
 
 0. Ask _first_.
 
@@ -259,4 +265,4 @@ people committing to GTK to follow a few rules:
 
 If you have been contributing to GTK for a while and you don't have commit
 access to the repository, you may ask to obtain it following the [GNOME account
-process](https://handbook.gnome.org/infrastructure/developer-access.html).
+process](https://wiki.gnome.org/AccountsTeam/NewAccounts).

README.md

@@ -39,21 +39,18 @@ Nightly documentation can be found at
   - Gsk: https://gnome.pages.gitlab.gnome.org/gtk/gsk4/
 
 Nightly flatpaks of our demos can be installed from the
-[GNOME Nightly](https://nightly.gnome.org/) repository:
-
-```sh
-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
-```
+[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
 -----------------------
 
 In order to build GTK you will need:
 
-  - [a C11 compatible compiler](https://gitlab.gnome.org/GNOME/glib/-/blob/main/docs/toolchain-requirements.md)
+  - [a C99 compatible compiler](https://wiki.gnome.org/Projects/GLib/CompilerRequirements)
   - [Python 3](https://www.python.org/)
   - [Meson](http://mesonbuild.com)
   - [Ninja](https://ninja-build.org)
@@ -128,7 +125,7 @@ version, for example `gtk-4-10`.
 How to report bugs
 ------------------
 
-Bugs should be reported on the [issues page](https://gitlab.gnome.org/GNOME/gtk/issues/).
+Bugs should be reported on the [issues page](https://gitlab.gnome.org/GNOME/gtk/issues/new).
 
 In the bug report please include:
 

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

@@ -185,8 +185,9 @@
             "builddir" : true,
             "config-opts" : [
                 "--libdir=/app/lib",
+                "-Dvulkan=disabled",
                 "-Dbuildtype=debugoptimized",
-                "-Dprofile=devel"
+                "-Ddemo-profile=devel"
             ],
             "sources" : [
                 {

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

@@ -114,8 +114,9 @@
             "builddir" : true,
             "config-opts" : [
                 "--libdir=/app/lib",
+                "-Dvulkan=disabled",
                 "-Dbuildtype=debugoptimized",
-                "-Dprofile=devel"
+                "-Ddemo-profile=devel"
             ],
             "sources" : [
                 {

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

@@ -114,8 +114,9 @@
             "builddir" : true,
             "config-opts" : [
                 "--libdir=/app/lib",
+                "-Dvulkan=disabled",
                 "-Dbuildtype=debugoptimized",
-                "-Dprofile=devel"
+                "-Ddemo-profile=devel"
             ],
             "sources" : [
                 {
@@ -130,6 +131,7 @@
         "env" : {
             "DBUS_SESSION_BUS_ADDRESS" : "''",
             "GSK_RENDERER" : "opengl",
+            "GDK_DEBUG" : "vulkan-disable",
             "G_ENABLE_DEBUG" : "true"
         }
     }

build-aux/flatpak/org.gtk.gtk4.NodeEditor.json

@@ -114,8 +114,9 @@
             "builddir" : true,
             "config-opts" : [
                 "--libdir=/app/lib",
+                "-Dvulkan=disabled",
                 "-Dbuildtype=debugoptimized",
-                "-Dprofile=devel"
+                "-Ddemo-profile=devel"
             ],
             "sources" : [
                 {
@@ -130,6 +131,7 @@
         "env" : {
             "DBUS_SESSION_BUS_ADDRESS" : "''",
             "GSK_RENDERER" : "opengl",
+            "GDK_DEBUG" : "vulkan-disable",
             "G_ENABLE_DEBUG" : "true"
         }
     }

build-aux/msvc/msvc_recommended_pragmas.h

@@ -1,41 +0,0 @@
-#ifndef _MSC_VER
-#pragma error "This header is for Microsoft VC or clang-cl only."
-#endif /* _MSC_VER */
-
-/* Make MSVC more pedantic, this is a recommended pragma list
- * from _Win32_Programming_ by Rector and Newcomer.
- */
-#ifndef __clang__
-#pragma warning(error:4002) /* too many actual parameters for macro */
-#pragma warning(error:4003) /* not enough actual parameters for macro */
-#pragma warning(1:4010)     /* single-line comment contains line-continuation character */
-#pragma warning(error:4013) /* 'function' undefined; assuming extern returning int */
-#pragma warning(1:4016)     /* no function return type; using int as default */
-#pragma warning(error:4020) /* too many actual parameters */
-#pragma warning(error:4021) /* too few actual parameters */
-#pragma warning(error:4027) /* function declared without formal parameter list */
-#pragma warning(error:4029) /* declared formal parameter list different from definition */
-#pragma warning(error:4033) /* 'function' must return a value */
-#pragma warning(error:4035) /* 'function' : no return value */
-#pragma warning(error:4045) /* array bounds overflow */
-#pragma warning(error:4047) /* different levels of indirection */
-#pragma warning(error:4049) /* terminating line number emission */
-#pragma warning(error:4053) /* An expression of type void was used as an operand */
-#pragma warning(error:4071) /* no function prototype given */
-#pragma warning(disable:4101) /* unreferenced local variable */
-#pragma warning(error:4150)
-
-/* G_NORETURN */
-#pragma warning(error:4646) /* function declared with __declspec(noreturn) has non-void return type */
-#pragma warning(error:4715) /* 'function': not all control paths return a value */
-#pragma warning(error:4098) /* 'void' function returning a value */
-
-#pragma warning(disable:4244)	/* No possible loss of data warnings */
-#pragma warning(disable:4305)   /* No truncation from int to char warnings */
-
-#pragma warning(error:4819) /* The file contains a character that cannot be represented in the current code page */
-#endif                      /* __clang__ */
-
-/* work around Microsoft's premature attempt to deprecate the C-Library */
-#define _CRT_SECURE_NO_WARNINGS
-#define _CRT_NONSTDC_NO_WARNINGS

demos/gtk-demo/application.c

@@ -35,7 +35,7 @@ show_action_dialog (GSimpleAction *action)
 {
   GtkAlertDialog *dialog;
 
-  dialog = gtk_alert_dialog_new ("You activated action: \"%s\"",
+  dialog = gtk_alert_dialog_new ("You activated action: \"%s\n",
                                  g_action_get_name (G_ACTION (action)));
   gtk_alert_dialog_show (dialog, NULL);
   g_object_unref (dialog);

demos/gtk-demo/bluroverlay.h

@@ -18,7 +18,8 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#pragma once
+#ifndef __BLUR_OVERLAY_H__
+#define __BLUR_OVERLAY_H__
 
 #include <gtk/gtk.h>
 
@@ -59,3 +60,5 @@ void       blur_overlay_set_child   (BlurOverlay *overlay,
                                      GtkWidget   *widget);
 
 G_END_DECLS
+
+#endif /* __BLUR_OVERLAY_H__ */

demos/gtk-demo/cursors.c

@@ -15,54 +15,12 @@ on_destroy (gpointer data)
   window = NULL;
 }
 
-static GdkTexture *
-cursor_callback (GdkCursor *cursor,
-                 int        cursor_size,
-                 double     scale,
-                 int       *width,
-                 int       *height,
-                 int       *hotspot_x,
-                 int       *hotspot_y,
-                 gpointer   data)
-{
-  GdkPixbuf *pixbuf;
-  GdkTexture *texture;
-  GError *error = NULL;
-  int scaled_size;
-
-  scaled_size = ceil (cursor_size * scale);
-
-  pixbuf = gdk_pixbuf_new_from_resource_at_scale ("/cursors/images/gtk-logo.svg",
-                                                  scaled_size, scaled_size,
-                                                  TRUE,
-                                                  &error);
-  if (!pixbuf)
-    {
-      g_print ("%s\n", error->message);
-      g_error_free (error);
-      return NULL;
-    }
-
-  texture = gdk_texture_new_for_pixbuf (pixbuf);
-
-  g_object_unref (pixbuf);
-
-  *width = cursor_size;
-  *height = cursor_size;
-  *hotspot_x = 18 * cursor_size / 32.0;
-  *hotspot_y = 2 * cursor_size / 32.0;
-
-  return texture;
-}
-
 GtkWidget *
 do_cursors (GtkWidget *do_widget)
 {
   if (!window)
     {
       GtkBuilder *builder;
-      GtkWidget *logo_callback;
-      GdkCursor *cursor;
 
       builder = gtk_builder_new_from_resource ("/cursors/cursors.ui");
       window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
@@ -71,10 +29,6 @@ do_cursors (GtkWidget *do_widget)
                               gtk_widget_get_display (do_widget));
       g_signal_connect (window, "destroy",
                         G_CALLBACK (on_destroy), NULL);
-      logo_callback = GTK_WIDGET (gtk_builder_get_object (builder, "logo_callback"));
-      cursor = gdk_cursor_new_from_callback (cursor_callback, NULL, NULL, NULL);
-      gtk_widget_set_cursor (logo_callback, cursor);
-      g_object_unref (cursor);
       g_object_unref (builder);
     }
 

demos/gtk-demo/demo.gresource.xml

@@ -116,7 +116,6 @@
     <file>w_resize_cursor.png</file>
     <file>zoom_in_cursor.png</file>
     <file>zoom_out_cursor.png</file>
-    <file>gtk-logo.svg</file>
   </gresource>
   <gresource prefix="/dnd">
     <file>dnd.css</file>
@@ -128,7 +127,6 @@
     <file>fishbowl.ui</file>
     <file>gtkfishbowl.c</file>
     <file>gtkfishbowl.h</file>
-    <file>tiger.node</file>
   </gresource>
   <gresource prefix="/frames">
     <file>frames.ui</file>
@@ -337,11 +335,6 @@
     <file>paintable_symbolic.c</file>
     <file>panes.c</file>
     <file>password_entry.c</file>
-    <file>path_fill.c</file>
-    <file>path_maze.c</file>
-    <file>path_spinner.c</file>
-    <file>path_walk.c</file>
-    <file>path_text.c</file>
     <file>peg_solitaire.c</file>
     <file>pickers.c</file>
     <file>printing.c</file>
@@ -427,13 +420,6 @@
   <gresource prefix="/fontrendering">
     <file>fontrendering.ui</file>
   </gresource>
-  <gresource prefix="/path_walk">
-    <file>path_walk.ui</file>
-    <file compressed="true">path_world.txt</file>
-  </gresource>
-  <gresource prefix="/path_text">
-    <file>path_text.ui</file>
-  </gresource>
   <gresource prefix="/org/gtk/Demo4">
     <file>icons/16x16/actions/application-exit.png</file>
     <file>icons/16x16/actions/document-new.png</file>

demos/gtk-demo/demo3widget.c

@@ -75,9 +75,7 @@ query_tooltip (GtkWidget  *widget,
   gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
 
   precision = 1;
-  s = NULL;
   do {
-    g_free (s);
     s = g_strdup_printf ("%.*f", precision, self->scale);
     l = strlen (s) - 1;
     while (s[l] == '0')

demos/gtk-demo/demotaggedentry.h

@@ -18,7 +18,8 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#pragma once
+#ifndef __DEMO_TAGGED_ENTRY_H__
+#define __DEMO_TAGGED_ENTRY_H__
 
 #include <gtk/gtk.h>
 
@@ -56,3 +57,5 @@ void            demo_tagged_entry_tag_set_has_close_button (DemoTaggedEntryTag *
                                                             gboolean            has_close_button);
 
 G_END_DECLS
+
+#endif /* __DEMO_TAGGED_ENTRY_H__ */

demos/gtk-demo/demowidget.c

@@ -34,7 +34,7 @@ transition (GtkWidget     *widget,
 {
   DemoWidget *self = DEMO_WIDGET (widget);
   DemoLayout *demo_layout = DEMO_LAYOUT (gtk_widget_get_layout_manager (widget));
-  gint64 now = gdk_frame_clock_get_frame_time (frame_clock);
+  gint64 now = g_get_monotonic_time ();
 
   gtk_widget_queue_allocate (widget);
 
@@ -66,13 +66,11 @@ clicked (GtkGestureClick *gesture,
          gpointer         data)
 {
   DemoWidget *self = data;
-  GdkFrameClock *frame_clock;
 
   if (self->tick_id != 0)
     return;
 
-  frame_clock = gtk_widget_get_frame_clock (GTK_WIDGET (self));
-  self->start_time = gdk_frame_clock_get_frame_time (frame_clock);
+  self->start_time = g_get_monotonic_time ();
   self->tick_id = gtk_widget_add_tick_callback (GTK_WIDGET (self), transition, NULL, NULL);
 }
 

demos/gtk-demo/fishbowl.c

@@ -11,9 +11,6 @@
 #include "gtkgears.h"
 #include "gskshaderpaintable.h"
 
-#include "nodewidget.h"
-#include "graphwidget.h"
-
 const char *const css =
 ".blurred-button {"
 "  box-shadow: 0px 0px 5px 10px rgba(0, 0, 0, 0.5);"
@@ -74,7 +71,14 @@ create_blurred_button (void)
 static GtkWidget *
 create_font_button (void)
 {
-  return gtk_font_dialog_button_new (gtk_font_dialog_new ());
+  GtkFontDialog *dialog;
+  GtkWidget *button;
+
+  dialog = gtk_font_dialog_new ();
+  button = gtk_font_dialog_button_new (dialog);
+  g_object_unref (dialog);
+
+  return button;
 }
 
 static GtkWidget *
@@ -170,7 +174,6 @@ update_paintable (GtkWidget     *widget,
 static GtkWidget *
 create_cogs (void)
 {
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   GtkWidget *picture;
   static GskGLShader *cog_shader = NULL;
   GdkPaintable *paintable;
@@ -183,13 +186,6 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   gtk_widget_add_tick_callback (picture, update_paintable, NULL, NULL);
 
   return picture;
-G_GNUC_END_IGNORE_DEPRECATIONS
-}
-
-static gboolean
-check_cogs (GtkFishbowl *fb)
-{
-  return GSK_IS_GL_RENDERER (gtk_native_get_renderer (gtk_widget_get_native (GTK_WIDGET (fb))));
 }
 
 static void
@@ -212,55 +208,36 @@ create_menu_button (void)
   return w;
 }
 
-static GtkWidget *
-create_tiger (void)
-{
-  return node_widget_new ("/fishbowl/tiger.node");
-}
-
-static GtkWidget *
-create_graph (void)
-{
-  return graph_widget_new ();
-}
-
 static const struct {
   const char *name;
-  GtkWidget * (* create_func) (void);
-  gboolean    (* check) (GtkFishbowl *fb);
+  GtkWidget * (*create_func) (void);
 } widget_types[] = {
-  { "Icon",       create_icon,           NULL },
-  { "Button",     create_button,         NULL },
-  { "Blurbutton", create_blurred_button, NULL },
-  { "Fontbutton", create_font_button,    NULL },
-  { "Levelbar",   create_level_bar,      NULL },
-  { "Label",      create_label,          NULL },
-  { "Spinner",    create_spinner,        NULL },
-  { "Spinbutton", create_spinbutton,     NULL },
-  { "Video",      create_video,          NULL },
-  { "Gears",      create_gears,          NULL },
-  { "Switch",     create_switch,         NULL },
-  { "Menubutton", create_menu_button,    NULL },
-  { "Shader",     create_cogs,           check_cogs },
-  { "Tiger",      create_tiger,          NULL },
-  { "Graph",      create_graph,          NULL },
+  { "Icon",       create_icon           },
+  { "Button",     create_button         },
+  { "Blurbutton", create_blurred_button },
+  { "Fontbutton", create_font_button    },
+  { "Levelbar",   create_level_bar      },
+  { "Label",      create_label          },
+  { "Spinner",    create_spinner        },
+  { "Spinbutton", create_spinbutton     },
+  { "Video",      create_video          },
+  { "Gears",      create_gears          },
+  { "Switch",     create_switch         },
+  { "Menubutton", create_menu_button    },
+  { "Shader",     create_cogs           },
 };
 
 static int selected_widget_type = -1;
 static const int N_WIDGET_TYPES = G_N_ELEMENTS (widget_types);
 
-static gboolean
+static void
 set_widget_type (GtkFishbowl *fishbowl,
                  int          widget_type_index)
 {
   GtkWidget *window;
 
   if (widget_type_index == selected_widget_type)
-    return TRUE;
-
-  if (widget_types[widget_type_index].check != NULL &&
-      !widget_types[widget_type_index].check (fishbowl))
-    return FALSE;
+    return;
 
   selected_widget_type = widget_type_index;
 
@@ -270,8 +247,6 @@ set_widget_type (GtkFishbowl *fishbowl,
   window = GTK_WIDGET (gtk_widget_get_root (GTK_WIDGET (fishbowl)));
   gtk_window_set_title (GTK_WINDOW (window),
                         widget_types[selected_widget_type].name);
-
-  return TRUE;
 }
 
 G_MODULE_EXPORT void
@@ -279,17 +254,14 @@ fishbowl_next_button_clicked_cb (GtkButton *source,
                                  gpointer   user_data)
 {
   GtkFishbowl *fishbowl = user_data;
-  int new_index = selected_widget_type;
+  int new_index;
 
-  do
-    {
-      if (new_index + 1 >= N_WIDGET_TYPES)
-        new_index = 0;
-      else
-        new_index = new_index + 1;
+  if (selected_widget_type + 1 >= N_WIDGET_TYPES)
+    new_index = 0;
+  else
+    new_index = selected_widget_type + 1;
 
-    }
-  while (!set_widget_type (fishbowl, new_index));
+  set_widget_type (fishbowl, new_index);
 }
 
 G_MODULE_EXPORT void
@@ -297,18 +269,14 @@ fishbowl_prev_button_clicked_cb (GtkButton *source,
                                  gpointer   user_data)
 {
   GtkFishbowl *fishbowl = user_data;
-  int new_index = selected_widget_type;
+  int new_index;
 
-  do
-    {
-      if (new_index - 1 < 0)
-        new_index = N_WIDGET_TYPES - 1;
-      else
-        new_index = new_index - 1;
+  if (selected_widget_type - 1 < 0)
+    new_index = N_WIDGET_TYPES - 1;
+  else
+    new_index = selected_widget_type - 1;
 
-    }
-
-  while (!set_widget_type (fishbowl, new_index));
+  set_widget_type (fishbowl, new_index);
 }
 
 G_MODULE_EXPORT void

demos/gtk-demo/font_features.c

@@ -600,8 +600,8 @@ update_display (void)
   if (s->len > 0)
     {
       pango_font_description_set_variations (desc, s->str);
+      g_string_free (s, TRUE);
     }
-  g_string_free (s, TRUE);
 
   font_desc = pango_font_description_to_string (desc);
 
@@ -1586,7 +1586,7 @@ update_font_variations (void)
         }
 
       gtk_grid_attach (GTK_GRID (demo->variations_grid), combo, 1, -1, 3, 1);
-      g_signal_connect (combo, "notify::selected", G_CALLBACK (instance_changed), NULL);
+      g_signal_connect (combo, "notify::selecte", G_CALLBACK (instance_changed), NULL);
       demo->instance_combo = combo;
    }
 

demos/gtk-demo/fontify.c

@@ -363,9 +363,7 @@ insert_markup_idle (gpointer data)
 
       if (g_get_monotonic_time () - begin > G_TIME_SPAN_MILLISECOND)
         {
-          guint id;
-          id = g_idle_add (insert_markup_idle, data);
-          g_source_set_name_by_id (id, "[gtk-demo] insert_markup_idle");
+          g_idle_add (insert_markup_idle, data);
           return G_SOURCE_REMOVE;
         }
 
@@ -400,9 +398,7 @@ parse_markup_idle (gpointer data)
   do {
     if (g_get_monotonic_time () - begin > G_TIME_SPAN_MILLISECOND)
       {
-        guint id;
-        id = g_idle_add (parse_markup_idle, data);
-        g_source_set_name_by_id (id, "[gtk-demo] parse_markup_idle");
+        g_idle_add (parse_markup_idle, data);
         return G_SOURCE_REMOVE;
       }
 

demos/gtk-demo/fontplane.h

@@ -15,7 +15,8 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#pragma once
+#ifndef __GTK_FONT_PLANE_H__
+#define __GTK_FONT_PLANE_H__
 
 #include <gtk/gtk.h>
 
@@ -59,3 +60,5 @@ GtkWidget * gtk_font_plane_new      (GtkAdjustment *width_adj,
                                      GtkAdjustment *weight_adj);
 
 G_END_DECLS
+
+#endif /* __GTK_FONT_PLANE_H__ */

demos/gtk-demo/gltransition.c

@@ -20,8 +20,6 @@
 #include "gtkshadertoy.h"
 #include "gskshaderpaintable.h"
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 static GtkWidget *demo_window = NULL;
 
 static void
@@ -362,5 +360,3 @@ do_gltransition (GtkWidget *do_widget)
 
   return demo_window;
 }
-
-G_GNUC_END_IGNORE_DEPRECATIONS

demos/gtk-demo/graphwidget.c

@@ -1,153 +0,0 @@
-#include "graphwidget.h"
-
-struct _GraphWidget
-{
-  GtkWidget parent_instance;
-
-  GskPath *path;
-  GskStroke *stroke;
-  GdkRGBA color;
-
-  guint tick_cb;
-  guint64 start_time;
-
-  double period;
-  double amplitude;
-};
-
-struct _GraphWidgetClass
-{
-  GtkWidgetClass parent_class;
-};
-
-G_DEFINE_TYPE (GraphWidget, graph_widget, GTK_TYPE_WIDGET)
-
-static void
-update_path (GraphWidget *self,
-             float        amplitude)
-{
-  graphene_point_t p[20];
-  GskPathBuilder *builder;
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-
-  for (int i = 0; i < 20; i++)
-    {
-      p[i].x = 10 * i;
-      p[i].y = 50;
-
-      if (i % 4 == 1 || i % 4 == 2)
-        {
-          if (i % 8 < 4)
-            p[i].y += amplitude;
-          else
-            p[i].y -= amplitude;
-        }
-    }
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_move_to (builder, p[0].x, p[0].y);
-
-  for (int i = 0; i < 20; i += 4)
-    gsk_path_builder_cubic_to (builder,
-                               p[i+1].x, p[i+1].y,
-                               p[i+2].x, p[i+2].y,
-                               p[i+3].x, p[i+3].y);
-
-  self->path = gsk_path_builder_free_to_path (builder);
-}
-
-static gboolean
-tick_cb (GtkWidget     *widget,
-         GdkFrameClock *frame_clock,
-         gpointer       user_data)
-{
-  GraphWidget *self = GRAPH_WIDGET (widget);
-  guint64 now;
-  double angle;
-
-  now = gdk_frame_clock_get_frame_time (frame_clock);
-
-  if (self->start_time == 0)
-    self->start_time = now;
-
-  angle = 360 * (now - self->start_time) / (double)(self->period * G_TIME_SPAN_MINUTE);
-  update_path (self, sin (angle) * self->amplitude);
-
-  gtk_widget_queue_draw (widget);
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-graph_widget_init (GraphWidget *self)
-{
-  self->color.red = g_random_double_range (0, 1);
-  self->color.green = g_random_double_range (0, 1);
-  self->color.blue = g_random_double_range (0, 1);
-  self->color.alpha = 1;
-
-  self->period = g_random_double_range (0.5, 1);
-  self->amplitude = g_random_double_range (10, 25);
-
-  self->stroke = gsk_stroke_new (2);
-
-  update_path (self, 0);
-
-  self->start_time = 0;
-  self->tick_cb = gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_cb, NULL, NULL);
-}
-
-static void
-graph_widget_dispose (GObject *object)
-{
-  GraphWidget *self = GRAPH_WIDGET (object);
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-  gsk_stroke_free (self->stroke);
-
-  G_OBJECT_CLASS (graph_widget_parent_class)->dispose (object);
-}
-
-static void
-graph_widget_snapshot (GtkWidget   *widget,
-                      GtkSnapshot *snapshot)
-{
-  GraphWidget *self = GRAPH_WIDGET (widget);
-
-  gtk_snapshot_append_stroke (snapshot, self->path, self->stroke, &self->color);
-}
-
-static void
-graph_widget_measure (GtkWidget      *widget,
-                      GtkOrientation  orientation,
-                      int             for_size,
-                      int            *minimum,
-                      int            *natural,
-                      int            *minimum_baseline,
-                      int            *natural_baseline)
-{
-  if (orientation == GTK_ORIENTATION_HORIZONTAL)
-    *minimum = *natural = 200;
-  else
-    *minimum = *natural = 100;
-}
-
-
-static void
-graph_widget_class_init (GraphWidgetClass *class)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (class);
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
-
-  object_class->dispose = graph_widget_dispose;
-
-  widget_class->snapshot = graph_widget_snapshot;
-  widget_class->measure = graph_widget_measure;
-}
-
-GtkWidget *
-graph_widget_new (void)
-{
-  return g_object_new (GRAPH_TYPE_WIDGET, NULL);
-}

demos/gtk-demo/graphwidget.h

@@ -1,8 +0,0 @@
-#pragma once
-
-#include <gtk/gtk.h>
-
-#define GRAPH_TYPE_WIDGET (graph_widget_get_type ())
-G_DECLARE_FINAL_TYPE (GraphWidget, graph_widget, GRAPH, WIDGET, GtkWidget)
-
-GtkWidget * graph_widget_new       (void);

demos/gtk-demo/gskshaderpaintable.c

@@ -22,8 +22,6 @@
 #include <gtk/gtk.h>
 #include "gskshaderpaintable.h"
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 /**
  * GskShaderPaintable:
  *
@@ -334,5 +332,3 @@ gsk_shader_paintable_update_time (GskShaderPaintable *self,
 
   g_bytes_unref (args);
 }
-
-G_GNUC_END_IGNORE_DEPRECATIONS

demos/gtk-demo/gskshaderpaintable.h

@@ -17,13 +17,12 @@
  * Authors: Matthias Clasen <mclasen@redhat.com>
  */
 
-#pragma once
+#ifndef __GSK_SHADER_PAINTABLE_H__
+#define __GSK_SHADER_PAINTABLE_H__
 
 #include <gdk/gdk.h>
 #include <gsk/gsk.h>
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 G_BEGIN_DECLS
 
 #define GSK_TYPE_SHADER_PAINTABLE (gsk_shader_paintable_get_type ())
@@ -44,4 +43,4 @@ void             gsk_shader_paintable_update_time      (GskShaderPaintable *self
                                                         gint64              frame_time);
 G_END_DECLS
 
-G_GNUC_END_IGNORE_DEPRECATIONS
+#endif /* __GSK_SHADER_PAINTABLE_H__ */

demos/gtk-demo/gtk-logo.svg

@@ -1,138 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="128"
-   height="128"
-   id="svg6843"
-   sodipodi:version="0.32"
-   inkscape:version="0.92.4 5da689c313, 2019-01-14"
-   version="1.0"
-   sodipodi:docname="gtk-logo.svg"
-   inkscape:output_extension="org.inkscape.output.svg.inkscape"
-   inkscape:export-filename="/home/ebassi/Pictures/gtk-logo-256.png"
-   inkscape:export-xdpi="192"
-   inkscape:export-ydpi="192">
-  <defs
-     id="defs6845">
-    <inkscape:perspective
-       sodipodi:type="inkscape:persp3d"
-       inkscape:vp_x="-50 : 600 : 1"
-       inkscape:vp_y="0 : 1000 : 0"
-       inkscape:vp_z="700 : 600 : 1"
-       inkscape:persp3d-origin="300 : 400 : 1"
-       id="perspective13" />
-  </defs>
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="2.8284271"
-     inkscape:cx="69.874353"
-     inkscape:cy="64.313526"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     inkscape:document-units="px"
-     inkscape:grid-bbox="true"
-     width="128px"
-     height="128px"
-     showguides="true"
-     inkscape:guide-bbox="true"
-     inkscape:window-width="1920"
-     inkscape:window-height="1016"
-     inkscape:window-x="0"
-     inkscape:window-y="27"
-     inkscape:window-maximized="1">
-    <inkscape:grid
-       type="xygrid"
-       id="grid7947" />
-  </sodipodi:namedview>
-  <metadata
-     id="metadata6848">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title />
-        <dc:date />
-        <dc:creator>
-          <cc:Agent>
-            <dc:title />
-          </cc:Agent>
-        </dc:creator>
-        <dc:rights>
-          <cc:Agent>
-            <dc:title />
-          </cc:Agent>
-        </dc:rights>
-        <dc:publisher>
-          <cc:Agent>
-            <dc:title />
-          </cc:Agent>
-        </dc:publisher>
-        <dc:identifier />
-        <dc:source />
-        <dc:relation />
-        <dc:language />
-        <dc:subject>
-          <rdf:Bag />
-        </dc:subject>
-        <dc:coverage />
-        <dc:description />
-        <dc:contributor>
-          <cc:Agent>
-            <dc:title />
-          </cc:Agent>
-        </dc:contributor>
-        <cc:license
-           rdf:resource="" />
-      </cc:Work>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     id="layer1"
-     inkscape:label="Layer 1"
-     inkscape:groupmode="layer">
-    <path
-       sodipodi:nodetypes="ccccc"
-       id="path6976"
-       d="M 20.88413,30.82696 L 53.816977,55.527708 L 107.33282,39.060543 L 70.587303,17.177763 L 20.88413,30.82696 z"
-       style="fill:#729fcf;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:2.12364459;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;display:inline" />
-    <path
-       id="path6978"
-       d="M 22.94243,82.287118 L 20.88413,30.82696 L 53.816977,55.527708 L 53.816977,111.10486 L 22.94243,82.287118 z"
-       style="fill:#e40000;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:2.12364459;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;display:inline" />
-    <path
-       id="path6980"
-       d="M 53.816977,111.10486 L 103.21619,90.5207 L 107.33282,39.060543 L 53.816977,55.527708 L 53.816977,111.10486 z"
-       style="fill:#7fe719;fill-opacity:1;fill-rule:evenodd;stroke:#ffffff;stroke-width:2.12364459;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;display:inline" />
-    <path
-       sodipodi:nodetypes="ccc"
-       id="path6982"
-       d="M 23.216626,81.319479 L 70.48573,67.361442 L 103.38422,90.444516"
-       style="opacity:1;fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:1.25;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
-    <path
-       sodipodi:nodetypes="cc"
-       id="path6984"
-       d="M 70.434539,17.875593 L 70.434539,66.984877"
-       style="opacity:1;fill:#babdb6;fill-rule:evenodd;stroke:#ffffff;stroke-width:1.25;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
-  </g>
-</svg>

demos/gtk-demo/gtkfishbowl.c

@@ -456,33 +456,43 @@ gtk_fishbowl_do_update (GtkFishbowl *fishbowl)
 {
   GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
   GdkFrameClock *frame_clock;
-  GdkFrameTimings *end;
-  gint64 end_counter;
-  double fps, expected_fps;
+  GdkFrameTimings *start, *end;
+  gint64 start_counter, end_counter;
+  gint64 n_frames, expected_frames;
+  gint64 start_timestamp, end_timestamp;
   gint64 interval;
 
   frame_clock = gtk_widget_get_frame_clock (GTK_WIDGET (fishbowl));
   if (frame_clock == NULL)
     return;
 
-  fps = gdk_frame_clock_get_fps (frame_clock);
-  if (fps <= 0.0)
+  start_counter = gdk_frame_clock_get_history_start (frame_clock);
+  end_counter = gdk_frame_clock_get_frame_counter (frame_clock);
+  start = gdk_frame_clock_get_timings (frame_clock, start_counter);
+  for (end = gdk_frame_clock_get_timings (frame_clock, end_counter);
+       end_counter > start_counter && end != NULL && !gdk_frame_timings_get_complete (end);
+       end = gdk_frame_clock_get_timings (frame_clock, end_counter))
+    end_counter--;
+  if (end_counter - start_counter < 4)
     return;
 
-  priv->framerate = fps;
+  start_timestamp = gdk_frame_timings_get_presentation_time (start);
+  end_timestamp = gdk_frame_timings_get_presentation_time (end);
+  if (start_timestamp == 0 || end_timestamp == 0)
+    {
+      start_timestamp = gdk_frame_timings_get_frame_time (start);
+      end_timestamp = gdk_frame_timings_get_frame_time (end);
+    }
+
+  n_frames = end_counter - start_counter;
+  priv->framerate = ((double) n_frames) * G_USEC_PER_SEC / (end_timestamp - start_timestamp);
+  priv->framerate = ((int)(priv->framerate * 100))/100.0;
+
   g_object_notify_by_pspec (G_OBJECT (fishbowl), props[PROP_FRAMERATE]);
 
   if (!priv->benchmark)
     return;
 
-  end_counter = gdk_frame_clock_get_frame_counter (frame_clock);
-  for (end = gdk_frame_clock_get_timings (frame_clock, end_counter);
-       end != NULL && !gdk_frame_timings_get_complete (end);
-       end = gdk_frame_clock_get_timings (frame_clock, end_counter))
-    end_counter--;
-  if (end == NULL)
-    return;
-
   interval = gdk_frame_timings_get_refresh_interval (end);
   if (interval == 0)
     {
@@ -490,16 +500,16 @@ gtk_fishbowl_do_update (GtkFishbowl *fishbowl)
       if (interval == 0)
         return;
     }
-  expected_fps = (double) G_USEC_PER_SEC / interval;
+  expected_frames = round ((double) (end_timestamp - start_timestamp) / interval);
 
-  if (fps > (expected_fps - 1))
+  if (n_frames >= expected_frames)
     {
       if (priv->last_benchmark_change > 0)
         priv->last_benchmark_change *= 2;
       else
         priv->last_benchmark_change = 1;
     }
-  else if (0.95 * fps < expected_fps)
+  else if (n_frames + 1 < expected_frames)
     {
       if (priv->last_benchmark_change < 0)
         priv->last_benchmark_change--;

demos/gtk-demo/gtkfishbowl.h

@@ -15,7 +15,8 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#pragma once
+#ifndef __GTK_FISHBOWL_H__
+#define __GTK_FISHBOWL_H__
 
 #include <gtk/gtk.h>
 
@@ -64,3 +65,5 @@ void       gtk_fishbowl_set_creation_func (GtkFishbowl       *fishbowl,
                                            GtkFishCreationFunc creation_func);
 
 G_END_DECLS
+
+#endif /* __GTK_FISHBOWL_H__ */

demos/gtk-demo/gtkgears.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __GTK_GEARS_H__
+#define __GTK_GEARS_H__
 
 #include <gtk/gtk.h>
 
@@ -43,3 +44,5 @@ void       gtk_gears_set_fps_label (GtkGears *gears,
 
 
 G_END_DECLS
+
+#endif /* __GTK_GEARS_H__ */

demos/gtk-demo/gtkshaderbin.c

@@ -1,7 +1,5 @@
 #include "gtkshaderbin.h"
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 typedef struct {
   GskGLShader *shader;
   GtkStateFlags state;
@@ -264,5 +262,3 @@ gtk_shader_bin_new (void)
 
   return GTK_WIDGET (self);
 }
-
-G_GNUC_END_IGNORE_DEPRECATIONS

demos/gtk-demo/gtkshaderbin.h

@@ -1,9 +1,8 @@
-#pragma once
+#ifndef __GTK_SHADER_BIN_H__
+#define __GTK_SHADER_BIN_H__
 
 #include <gtk/gtk.h>
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 G_BEGIN_DECLS
 
 #define GTK_TYPE_SHADER_BIN      (gtk_shader_bin_get_type ())
@@ -21,4 +20,4 @@ GtkWidget *gtk_shader_bin_get_child   (GtkShaderBin *self);
 
 G_END_DECLS
 
-G_GNUC_END_IGNORE_DEPRECATIONS
+#endif /* __GTK_SHADER_BIN_H__ */

demos/gtk-demo/gtkshaderstack.c

@@ -1,7 +1,5 @@
 #include "gtkshaderstack.h"
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 struct _GtkShaderStack
 {
   GtkWidget parent_instance;
@@ -361,5 +359,3 @@ gtk_shader_stack_set_active (GtkShaderStack *self,
   self->current = MIN (index, self->children->len);
   update_child_visible (self);
 }
-
-G_GNUC_END_IGNORE_DEPRECATIONS

demos/gtk-demo/gtkshaderstack.h

@@ -1,9 +1,8 @@
-#pragma once
+#ifndef __GTK_SHADER_STACK_H__
+#define __GTK_SHADER_STACK_H__
 
 #include <gtk/gtk.h>
 
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
 G_BEGIN_DECLS
 
 #define GTK_TYPE_SHADER_STACK     (gtk_shader_stack_get_type ())
@@ -21,4 +20,4 @@ void        gtk_shader_stack_set_active   (GtkShaderStack *self,
 
 G_END_DECLS
 
-G_GNUC_END_IGNORE_DEPRECATIONS
+#endif /* __GTK_SHADER_STACK_H__ */

demos/gtk-demo/gtkshadertoy.c

@@ -116,9 +116,7 @@ static gboolean gtk_shadertoy_tick          (GtkWidget     *widget,
 GtkWidget *
 gtk_shadertoy_new (void)
 {
-  return g_object_new (gtk_shadertoy_get_type (),
-                       "allowed-apis", GDK_GL_API_GL,
-                       NULL);
+  return g_object_new (gtk_shadertoy_get_type (), NULL);
 }
 
 static void

demos/gtk-demo/gtkshadertoy.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __GTK_SHADERTOY_H__
+#define __GTK_SHADERTOY_H__
 
 #include <gtk/gtk.h>
 
@@ -29,3 +30,5 @@ void        gtk_shadertoy_set_image_shader (GtkShadertoy *shadertoy,
                                             const char   *shader);
 
 G_END_DECLS
+
+#endif /* __GTK_SHADERTOY_H__ */

demos/gtk-demo/images.c

@@ -354,7 +354,6 @@ do_images (GtkWidget *do_widget)
       gicon = g_themed_icon_new_with_default_fallbacks ("battery-caution-charging-symbolic");
       image = gtk_image_new_from_gicon (gicon);
       gtk_image_set_icon_size (GTK_IMAGE (image), GTK_ICON_SIZE_LARGE);
-      g_object_unref (gicon);
 
       gtk_frame_set_child (GTK_FRAME (frame), image);
 

demos/gtk-demo/language-names.c

@@ -40,7 +40,7 @@ get_win32_all_locales_scripts (LPWSTR locale_w, DWORD flags, LPARAM param)
 {
   wchar_t *langname_w = NULL;
   wchar_t locale_abbrev_w[9];
-  gchar *langname, *locale_abbrev, *locale;
+  gchar *langname, *locale_abbrev, *locale, *p;
   gint i;
   const LCTYPE iso639_lctypes[] = { LOCALE_SISO639LANGNAME, LOCALE_SISO639LANGNAME2 };
   GHashTable *ht_scripts_langs = (GHashTable *) param;
@@ -59,6 +59,7 @@ get_win32_all_locales_scripts (LPWSTR locale_w, DWORD flags, LPARAM param)
   GetLocaleInfoEx (locale_w, LOCALE_SLOCALIZEDDISPLAYNAME, langname_w, langname_size);
   langname = g_utf16_to_utf8 (langname_w, -1, NULL, NULL, NULL);
   locale = g_utf16_to_utf8 (locale_w, -1, NULL, NULL, NULL);
+  p = strchr (locale, '-');
   lang = pango_language_from_string (locale);
   if (g_hash_table_lookup (ht_scripts_langs, lang) == NULL)
     g_hash_table_insert (ht_scripts_langs, lang, langname);

demos/gtk-demo/language-names.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef LANGUAGE_NAMES_H
+#define LANGUAGE_NAMES_H
 
 #include <pango/pango.h>
 
@@ -8,3 +9,5 @@ const char * get_language_name (PangoLanguage *language);
 const char * get_language_name_for_tag (guint32 tag);
 
 G_END_DECLS
+
+#endif

demos/gtk-demo/listview_selections.c

@@ -1,5 +1,4 @@
 /* Lists/Selections
- * #Keywords: suggestion, completion
  *
  * The GtkDropDown widget is a modern alternative to GtkComboBox.
  * It uses list models instead of tree models, and the content is

demos/gtk-demo/main.c

@@ -20,12 +20,11 @@
 #include "config.h"
 #include <gtk/gtk.h>
 #include <glib/gstdio.h>
-#include <glib/gi18n.h>
 
 #include "demos.h"
 #include "fontify.h"
 
-#include "profile_conf.h"
+#include "demo_conf.h"
 
 static GtkWidget *info_view;
 static GtkWidget *source_view;
@@ -828,25 +827,13 @@ demo_search_changed_cb (GtkSearchEntry *entry,
   gtk_filter_changed (filter, GTK_FILTER_CHANGE_DIFFERENT);
 }
 
-static gboolean
-demo_can_run (GtkWidget  *window,
-              const char *name)
-{
-  if (name != NULL && strcmp (name, "gltransition") == 0)
-    return GSK_IS_GL_RENDERER (gtk_native_get_renderer (GTK_NATIVE (window)));
-
-  return TRUE;
-}
-
 static GListModel *
-create_demo_model (GtkWidget *window)
+create_demo_model (void)
 {
   GListStore *store = g_list_store_new (GTK_TYPE_DEMO);
   DemoData *demo = gtk_demos;
   GtkDemo *d;
 
-  gtk_widget_realize (window);
-
   d = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
   d->name = "main";
   d->title = "GTK Demo";
@@ -858,20 +845,16 @@ create_demo_model (GtkWidget *window)
 
   while (demo->title)
     {
-       DemoData *children = demo->children;
+      d = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
+      DemoData *children = demo->children;
 
-      if (demo_can_run (window, demo->name))
-        {
-          d = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
+      d->name = demo->name;
+      d->title = demo->title;
+      d->keywords = demo->keywords;
+      d->filename = demo->filename;
+      d->func = demo->func;
 
-          d->name = demo->name;
-          d->title = demo->title;
-          d->keywords = demo->keywords;
-          d->filename = demo->filename;
-          d->func = demo->func;
-
-          g_list_store_append (store, d);
-        }
+      g_list_store_append (store, d);
 
       if (children)
         {
@@ -879,19 +862,15 @@ create_demo_model (GtkWidget *window)
 
           while (children->title)
             {
-              if (demo_can_run (window, children->name))
-                {
-                  GtkDemo *child = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
+              GtkDemo *child = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
 
-                  child->name = children->name;
-                  child->title = children->title;
-                  child->keywords = children->keywords;
-                  child->filename = children->filename;
-                  child->func = children->func;
-
-                  g_list_store_append (G_LIST_STORE (d->children_model), child);
-                }
+              child->name = children->name;
+              child->title = children->title;
+              child->keywords = children->keywords;
+              child->filename = children->filename;
+              child->func = children->func;
 
+              g_list_store_append (G_LIST_STORE (d->children_model), child);
               children++;
             }
         }
@@ -924,34 +903,6 @@ clear_search (GtkSearchBar *bar)
     }
 }
 
-static void
-search_results_update (GObject    *filter_model,
-                       GParamSpec *pspec,
-                       GtkEntry   *entry)
-{
-  gsize n_items = g_list_model_get_n_items (G_LIST_MODEL (filter_model));
-
-  if (strlen (gtk_editable_get_text (GTK_EDITABLE (entry))) > 0)
-    {
-      char *text;
-
-      if (n_items > 0)
-        text = g_strdup_printf (ngettext ("%ld search result", "%ld search results", (long) n_items), (long) n_items);
-      else
-        text = g_strdup (_("No search results"));
-
-      gtk_accessible_update_property (GTK_ACCESSIBLE (entry),
-                                      GTK_ACCESSIBLE_PROPERTY_DESCRIPTION, text,
-                                      -1);
-
-      g_free (text);
-    }
-  else
-    {
-      gtk_accessible_reset_property (GTK_ACCESSIBLE (entry), GTK_ACCESSIBLE_PROPERTY_DESCRIPTION);
-    }
-}
-
 static void
 activate (GApplication *app)
 {
@@ -985,7 +936,7 @@ activate (GApplication *app)
   search_bar = GTK_WIDGET (gtk_builder_get_object (builder, "searchbar"));
   g_signal_connect (search_bar, "notify::search-mode-enabled", G_CALLBACK (clear_search), NULL);
 
-  listmodel = create_demo_model (window);
+  listmodel = create_demo_model ();
   treemodel = gtk_tree_list_model_new (G_LIST_MODEL (listmodel),
                                        FALSE,
                                        TRUE,
@@ -999,7 +950,6 @@ activate (GApplication *app)
 
   search_entry = GTK_WIDGET (gtk_builder_get_object (builder, "search-entry"));
   g_signal_connect (search_entry, "search-changed", G_CALLBACK (demo_search_changed_cb), filter);
-  g_signal_connect (filter_model, "notify::n-items", G_CALLBACK (search_results_update), search_entry);
 
   selection = gtk_single_selection_new (G_LIST_MODEL (filter_model));
   g_signal_connect (selection, "notify::selected-item", G_CALLBACK (selection_cb), NULL);

demos/gtk-demo/menus.ui

@@ -2,7 +2,7 @@
 <interface>
   <menu id="menubar">
     <submenu>
-      <attribute name="label" translatable="yes">_File</attribute>
+      <attribute name="label" translatable="yes">_Application</attribute>
       <section>
         <item>
           <attribute name="label" translatable="yes">_New</attribute>
@@ -33,7 +33,7 @@
       </section>
     </submenu>
     <submenu>
-      <attribute name="label" translatable="yes">_Preferences</attribute>
+      <attribute name="label" translatable="yes">_File</attribute>
       <section>
         <item>
           <attribute name="label" translatable="yes">_Prefer Dark Theme</attribute>

demos/gtk-demo/meson.build

@@ -72,11 +72,6 @@ demos = files([
   'paintable_symbolic.c',
   'panes.c',
   'password_entry.c',
-  'path_fill.c',
-  'path_maze.c',
-  'path_spinner.c',
-  'path_walk.c',
-  'path_text.c',
   'peg_solitaire.c',
   'pickers.c',
   'printing.c',
@@ -141,8 +136,6 @@ extra_demo_sources = files([
   'unicode-names.c',
   'suggestionentry.c',
   'language-names.c',
-  'nodewidget.c',
-  'graphwidget.c',
 ])
 
 if os_unix
@@ -236,7 +229,7 @@ foreach flag: common_cflags
   endif
 endforeach
 
-gtkdemo_deps += [ profile_conf_h ]
+gtkdemo_deps += [ demo_conf_h ]
 
 executable('gtk4-demo',
   sources: [demos, demos_h, extra_demo_sources, gtkdemo_resources],

demos/gtk-demo/nodewidget.c

@@ -1,76 +0,0 @@
-#include "nodewidget.h"
-
-struct _NodeWidget
-{
-  GtkWidget parent_instance;
-
-  GskRenderNode *node;
-};
-
-struct _NodeWidgetClass
-{
-  GtkWidgetClass parent_class;
-};
-
-G_DEFINE_TYPE (NodeWidget, node_widget, GTK_TYPE_WIDGET)
-
-static void
-node_widget_init (NodeWidget *self)
-{
-}
-
-static void
-node_widget_dispose (GObject *object)
-{
-  NodeWidget *self = NODE_WIDGET (object);
-
-  gsk_render_node_unref (self->node);
-
-  G_OBJECT_CLASS (node_widget_parent_class)->dispose (object);
-}
-
-static void
-node_widget_snapshot (GtkWidget   *widget,
-                      GtkSnapshot *snapshot)
-{
-  NodeWidget *self = NODE_WIDGET (widget);
-
-  gtk_snapshot_append_node (snapshot, self->node);
-}
-
-static void
-node_widget_class_init (NodeWidgetClass *class)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (class);
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
-
-  object_class->dispose = node_widget_dispose;
-
-  widget_class->snapshot = node_widget_snapshot;
-}
-
-GtkWidget *
-node_widget_new (const char *resource)
-{
-  NodeWidget *self;
-  GBytes *bytes;
-  GskRenderNode *node;
-  graphene_rect_t bounds;
-  float scale;
-  GskTransform *transform;
-
-  self = g_object_new (NODE_TYPE_WIDGET, NULL);
-
-  bytes = g_resources_lookup_data (resource, 0, NULL);
-  node = gsk_render_node_deserialize (bytes, NULL, NULL);
-  g_bytes_unref (bytes);
-
-  gsk_render_node_get_bounds (node, &bounds);
-  scale = MIN (100.0/bounds.size.width, 100.0/bounds.size.height);
-  transform = gsk_transform_scale (NULL, scale, scale);
-  self->node = gsk_transform_node_new (node, transform);
-  gsk_transform_unref (transform);
-  gsk_render_node_unref (node);
-
-  return GTK_WIDGET (self);
-}

demos/gtk-demo/nodewidget.h

@@ -1,8 +0,0 @@
-#pragma once
-
-#include <gtk/gtk.h>
-
-#define NODE_TYPE_WIDGET (node_widget_get_type ())
-G_DECLARE_FINAL_TYPE (NodeWidget, node_widget, NODE, WIDGET, GtkWidget)
-
-GtkWidget * node_widget_new       (const char *file);

demos/gtk-demo/paintable.c

@@ -53,9 +53,7 @@ gtk_nuclear_snapshot (GtkSnapshot   *snapshot,
                       double         rotation)
 {
 #define RADIUS 0.3
-  GskPathBuilder *builder;
-  GskPath *path;
-  GskStroke *stroke;
+  cairo_t *cr;
   double size;
 
   gtk_snapshot_append_color (snapshot,
@@ -63,29 +61,24 @@ gtk_nuclear_snapshot (GtkSnapshot   *snapshot,
                              &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);
 
-  gtk_snapshot_save (snapshot);
+  cairo_arc (cr, 0, 0, 0.1, - G_PI, G_PI);
+  cairo_fill (cr);
 
-  gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0));
-  gtk_snapshot_scale (snapshot, size, size);
-  gtk_snapshot_rotate (snapshot, rotation);
+  cairo_set_line_width (cr, RADIUS);
+  cairo_set_dash (cr, (double[1]) { RADIUS * G_PI / 3 }, 1, 0.0);
+  cairo_arc (cr, 0, 0, RADIUS, - G_PI, G_PI);
+  cairo_stroke (cr);
 
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_circle (builder, graphene_point_zero (), 0.1);
-  path = gsk_path_builder_free_to_path (builder);
-  gtk_snapshot_append_fill (snapshot, path, GSK_FILL_RULE_WINDING, foreground);
-  gsk_path_unref (path);
-
-  stroke = gsk_stroke_new (RADIUS);
-  gsk_stroke_set_dash (stroke, (float[1]) { RADIUS * G_PI / 3 }, 1);
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_circle (builder, graphene_point_zero(), RADIUS);
-  path = gsk_path_builder_free_to_path (builder);
-  gtk_snapshot_append_stroke (snapshot, path, stroke, foreground);
-  gsk_path_unref (path);
-  gsk_stroke_free (stroke);
-
-  gtk_snapshot_restore (snapshot);
+  cairo_destroy (cr);
 }
 
 /* Here, we implement the functionality required by the GdkPaintable interface */

demos/gtk-demo/paintable.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __PAINTABLE_H__
+#define __PAINTABLE_H__
 
 #include <gtk/gtk.h>
 
@@ -12,3 +13,5 @@ void            gtk_nuclear_snapshot           (GtkSnapshot     *snapshot,
 GdkPaintable *  gtk_nuclear_icon_new            (double          rotation);
 GdkPaintable *  gtk_nuclear_animation_new       (gboolean        draw_background);
 GtkMediaStream *gtk_nuclear_media_stream_new    (void);
+
+#endif /* __PAINTABLE_H__ */

demos/gtk-demo/paintable_animated.c

@@ -70,7 +70,7 @@ gtk_nuclear_animation_snapshot (GdkPaintable *paintable,
                           ? &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 } /* yellow */
                           : &(GdkRGBA) { 0, 0, 0, 0 }, /* transparent */
                         width, height,
-                        360 * nuclear->progress / MAX_PROGRESS);
+                        2 * G_PI * nuclear->progress / MAX_PROGRESS);
 }
 
 static GdkPaintable *
@@ -85,7 +85,7 @@ gtk_nuclear_animation_get_current_image (GdkPaintable *paintable)
    * Luckily we added the rotation property to the nuclear icon
    * object previously, so we can just return an instance of that one.
    */
-  return gtk_nuclear_icon_new (360 * nuclear->progress / MAX_PROGRESS);
+  return gtk_nuclear_icon_new (2 * G_PI * nuclear->progress / MAX_PROGRESS);
 }
 
 static GdkPaintableFlags

demos/gtk-demo/paintable_mediastream.c

@@ -76,7 +76,7 @@ gtk_nuclear_media_stream_snapshot (GdkPaintable *paintable,
                         &(GdkRGBA) { 0, 0, 0, 1 }, /* black */
                         &(GdkRGBA) { 0.9, 0.75, 0.15, 1.0 }, /* yellow */
                         width, height,
-                        360 * nuclear->progress / DURATION);
+                        2 * G_PI * nuclear->progress / DURATION);
 }
 
 static GdkPaintable *
@@ -85,7 +85,7 @@ gtk_nuclear_media_stream_get_current_image (GdkPaintable *paintable)
   GtkNuclearMediaStream *nuclear = GTK_NUCLEAR_MEDIA_STREAM (paintable);
 
   /* Same thing as with the animation */
-  return gtk_nuclear_icon_new (360 * nuclear->progress / DURATION);
+  return gtk_nuclear_icon_new (2 * G_PI * nuclear->progress / DURATION);
 }
 
 static GdkPaintableFlags

demos/gtk-demo/path_fill.c

@@ -1,295 +0,0 @@
-/* Path/Fill and Stroke
- *
- * This demo shows how to use GskPath to draw shapes that are (a bit)
- * more complex than a rounded rectangle.
- *
- * It also demonstrates printing to a stream with GtkPrintDialog.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-#include <cairo-pdf.h>
-
-#include "paintable.h"
-
-#define GTK_TYPE_LOGO_PAINTABLE (gtk_logo_paintable_get_type ())
-G_DECLARE_FINAL_TYPE (GtkLogoPaintable, gtk_logo_paintable, GTK, LOGO_PAINTABLE, GObject)
-
-struct _GtkLogoPaintable
-{
-  GObject parent_instance;
-
-  int width;
-  int height;
-  GskPath *path[3];
-  GdkRGBA color[3];
-
-  GskPath *stroke_path;
-  GskStroke *stroke1;
-  GskStroke *stroke2;
-  GdkRGBA stroke_color;
-};
-
-struct _GtkLogoPaintableClass
-{
-  GObjectClass parent_class;
-};
-
-static int
-gtk_logo_paintable_get_intrinsic_width (GdkPaintable *paintable)
-{
-  GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
-
-  return self->width;
-}
-
-static int
-gtk_logo_paintable_get_intrinsic_height (GdkPaintable *paintable)
-{
-  GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
-
-  return self->height;
-}
-
-static void
-gtk_logo_paintable_snapshot (GdkPaintable *paintable,
-                             GdkSnapshot  *snapshot,
-                             double        width,
-                             double        height)
-{
-  GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (paintable);
-
-  for (unsigned int i = 0; i < 3; i++)
-    {
-      gtk_snapshot_push_fill (snapshot, self->path[i], GSK_FILL_RULE_WINDING);
-      gtk_snapshot_append_color (snapshot,
-                                 &self->color[i],
-                                 &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-    }
-  for (unsigned int i = 0; i < 3; i++)
-    {
-      gtk_snapshot_push_stroke (snapshot, self->stroke_path, self->stroke1);
-      gtk_snapshot_append_color (snapshot,
-                                 &self->stroke_color,
-                                 &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-    }
-
-  gtk_snapshot_push_stroke (snapshot, self->stroke_path, self->stroke2);
-  gtk_snapshot_append_color (snapshot,
-                             &self->stroke_color,
-                             &GRAPHENE_RECT_INIT (0, 0, width, height));
-  gtk_snapshot_pop (snapshot);
-}
-
-static GdkPaintableFlags
-gtk_logo_paintable_get_flags (GdkPaintable *paintable)
-{
-  return GDK_PAINTABLE_STATIC_CONTENTS | GDK_PAINTABLE_STATIC_SIZE;
-}
-
-static void
-gtk_logo_paintable_paintable_init (GdkPaintableInterface *iface)
-{
-  iface->get_intrinsic_width = gtk_logo_paintable_get_intrinsic_width;
-  iface->get_intrinsic_height = gtk_logo_paintable_get_intrinsic_height;
-  iface->snapshot = gtk_logo_paintable_snapshot;
-  iface->get_flags = gtk_logo_paintable_get_flags;
-}
-
-/* When defining the GType, we need to implement the GdkPaintable interface */
-G_DEFINE_TYPE_WITH_CODE (GtkLogoPaintable, gtk_logo_paintable, G_TYPE_OBJECT,
-                         G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
-                                                gtk_logo_paintable_paintable_init))
-
-static void
-gtk_logo_paintable_dispose (GObject *object)
-{
-  GtkLogoPaintable *self = GTK_LOGO_PAINTABLE (object);
-
-  for (unsigned int i = 0; i < 3; i++)
-    gsk_path_unref (self->path[i]);
-
-  gsk_path_unref (self->stroke_path);
-
-  gsk_stroke_free (self->stroke1);
-  gsk_stroke_free (self->stroke2);
-
-  G_OBJECT_CLASS (gtk_logo_paintable_parent_class)->dispose (object);
-}
-
-static void
-gtk_logo_paintable_class_init (GtkLogoPaintableClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_logo_paintable_dispose;
-}
-
-static void
-gtk_logo_paintable_init (GtkLogoPaintable *self)
-{
-}
-
-static GdkPaintable *
-gtk_logo_paintable_new (void)
-{
-  GtkLogoPaintable *self;
-  graphene_rect_t bounds, bounds2;
-
-  self = g_object_new (GTK_TYPE_LOGO_PAINTABLE, NULL);
-
-  /* Paths and colors extracted from gtk-logo.svg */
-  self->path[0] = gsk_path_parse ("m3.12,66.17 -2.06,-51.46 32.93,24.7 v55.58 l-30.87,-28.82 z");
-  self->path[1] = gsk_path_parse ("m34,95 49.4,-20.58 4.12,-51.46 -53.52,16.47 v55.58 z");
-  self->path[2] = gsk_path_parse ("m1.06,14.71 32.93,24.7 53.52,-16.47 -36.75,-21.88 -49.7,13.65 z");
-
-  gdk_rgba_parse (&self->color[0], "#e40000");
-  gdk_rgba_parse (&self->color[1], "#7fe719");
-  gdk_rgba_parse (&self->color[2], "#729fcf");
-
-  self->stroke_path = gsk_path_parse ("m50.6,51.3 -47.3,14 z l33,23 z v-50");
-  self->stroke1 = gsk_stroke_new (2.12);
-  self->stroke2 = gsk_stroke_new (1.25);
-  gdk_rgba_parse (&self->stroke_color, "#ffffff");
-
-  gsk_path_get_stroke_bounds (self->path[0], self->stroke1, &bounds);
-  gsk_path_get_stroke_bounds (self->path[1], self->stroke1, &bounds2);
-  graphene_rect_union (&bounds, &bounds2, &bounds);
-  gsk_path_get_stroke_bounds (self->path[2], self->stroke1, &bounds2);
-  graphene_rect_union (&bounds, &bounds2, &bounds);
-  gsk_path_get_stroke_bounds (self->stroke_path, self->stroke2, &bounds2);
-  graphene_rect_union (&bounds, &bounds2, &bounds);
-
-  self->width = bounds.origin.x + bounds.size.width;
-  self->height = bounds.origin.y + bounds.size.height;
-
-  return GDK_PAINTABLE (self);
-}
-
-static cairo_status_t
-write_cairo (void                *closure,
-             const unsigned char *data,
-             unsigned int         length)
-{
-  GOutputStream *stream = closure;
-  gsize written;
-  GError *error = NULL;
-
-  if (!g_output_stream_write_all (stream, data, length, &written, NULL, &error))
-    {
-      g_print ("Error writing pdf stream: %s\n", error->message);
-      g_error_free (error);
-      return CAIRO_STATUS_WRITE_ERROR;
-    }
-
-  return CAIRO_STATUS_SUCCESS;
-}
-
-static void
-print_ready (GObject      *source,
-             GAsyncResult *result,
-             gpointer      data)
-{
-  GtkPrintDialog *dialog = GTK_PRINT_DIALOG (source);
-  GError *error = NULL;
-  GOutputStream *stream;
-  GtkSnapshot *snapshot;
-  GdkPaintable *paintable;
-  GskRenderNode *node;
-  cairo_surface_t *surface;
-  cairo_t *cr;
-
-  stream = gtk_print_dialog_print_finish (dialog, result, &error);
-  if (stream == NULL)
-    {
-      g_print ("Failed to get output stream: %s\n", error->message);
-      g_error_free (error);
-      return;
-    }
-
-  snapshot = gtk_snapshot_new ();
-  paintable = gtk_picture_get_paintable (GTK_PICTURE (data));
-  gdk_paintable_snapshot (paintable, snapshot, 100, 100);
-  node = gtk_snapshot_free_to_node (snapshot);
-
-  surface = cairo_pdf_surface_create_for_stream (write_cairo, stream, 100, 100);
-  cr = cairo_create (surface);
-
-  gsk_render_node_draw (node, cr);
-
-  cairo_destroy (cr);
-  cairo_surface_destroy (surface);
-  gsk_render_node_unref (node);
-
-  if (!g_output_stream_close (stream, NULL, &error))
-    {
-      g_print ("Error from close: %s\n", error->message);
-      g_error_free (error);
-    }
-
-  g_object_unref (stream);
-}
-
-static void
-print (GtkButton *button,
-       gpointer   data)
-{
-  GtkWidget *picture = data;
-  GtkPrintDialog *dialog;
-
-  dialog = gtk_print_dialog_new ();
-
-  gtk_print_dialog_print (dialog,
-                          GTK_WINDOW (gtk_widget_get_root (picture)),
-                          NULL,
-                          NULL,
-                          print_ready,
-                          picture);
-
-  g_object_unref (dialog);
-}
-
-GtkWidget *
-do_path_fill (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *header, *button, *label;
-      GtkWidget *picture;
-      GdkPaintable *paintable;
-
-      window = gtk_window_new ();
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
-      gtk_window_set_default_size (GTK_WINDOW (window), 100, 100);
-      gtk_window_set_title (GTK_WINDOW (window), "Fill and Stroke");
-      header = gtk_header_bar_new ();
-      button = gtk_button_new_from_icon_name ("printer-symbolic");
-      gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
-      label = gtk_label_new ("Fill and Stroke");
-      gtk_widget_add_css_class (label, "title");
-      gtk_header_bar_set_title_widget (GTK_HEADER_BAR (header), label);
-      gtk_window_set_titlebar (GTK_WINDOW (window), header);
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      paintable = gtk_logo_paintable_new ();
-      picture = gtk_picture_new_for_paintable (paintable);
-      gtk_picture_set_content_fit (GTK_PICTURE (picture), GTK_CONTENT_FIT_CONTAIN);
-      gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE);
-      g_object_unref (paintable);
-
-      g_signal_connect (button, "clicked", G_CALLBACK (print), picture);
-
-      gtk_window_set_child (GTK_WINDOW (window), picture);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_maze.c

@@ -1,369 +0,0 @@
-/* Path/Maze
- *
- * This demo shows how to use a GskPath to create a maze and use
- * gsk_path_get_closest_point() to check the mouse stays
- * on the path.
- *
- * It also shows off the performance of GskPath (or not) as this
- * is a rather complex path.
- */
-
-#include "config.h"
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#include "paintable.h"
-
-#define MAZE_GRID_SIZE 20
-#define MAZE_STROKE_SIZE_ACTIVE (MAZE_GRID_SIZE - 4)
-#define MAZE_STROKE_SIZE_INACTIVE (MAZE_GRID_SIZE - 12)
-#define MAZE_WIDTH 31
-#define MAZE_HEIGHT 21
-
-#define GTK_TYPE_MAZE (gtk_maze_get_type ())
-G_DECLARE_FINAL_TYPE (GtkMaze, gtk_maze, GTK, MAZE, GtkWidget)
-
-struct _GtkMaze
-{
-  GtkWidget parent_instance;
-
-  int width;
-  int height;
-  GskPath *path;
-  GskPathMeasure *measure;
-  GdkPaintable *background;
-
-  gboolean active;
-};
-
-struct _GtkMazeClass
-{
-  GtkWidgetClass parent_class;
-};
-
-G_DEFINE_TYPE (GtkMaze, gtk_maze, GTK_TYPE_WIDGET)
-
-static void
-gtk_maze_measure (GtkWidget      *widget,
-                  GtkOrientation  orientation,
-                  int             for_size,
-                  int            *minimum,
-                  int            *natural,
-                  int            *minimum_baseline,
-                  int            *natural_baseline)
-{
-  GtkMaze *self = GTK_MAZE (widget);
-
-  if (orientation == GTK_ORIENTATION_HORIZONTAL)
-    *minimum = *natural = self->width;
-  else
-    *minimum = *natural = self->height;
-}
-
-static void
-gtk_maze_snapshot (GtkWidget   *widget,
-                   GdkSnapshot *snapshot)
-{
-  GtkMaze *self = GTK_MAZE (widget);
-  double width = gtk_widget_get_width (widget);
-  double height = gtk_widget_get_height (widget);
-  GskStroke *stroke;
-
-  stroke = gsk_stroke_new (MAZE_STROKE_SIZE_INACTIVE);
-  if (self->active)
-    gsk_stroke_set_line_width (stroke, MAZE_STROKE_SIZE_ACTIVE);
-  gsk_stroke_set_line_join (stroke, GSK_LINE_JOIN_ROUND);
-  gsk_stroke_set_line_cap (stroke, GSK_LINE_CAP_ROUND);
-  gtk_snapshot_push_stroke (snapshot, self->path, stroke);
-  gsk_stroke_free (stroke);
-
-  if (self->background)
-    {
-      gdk_paintable_snapshot (self->background, snapshot, width, height);
-    }
-  else
-    {
-      gtk_snapshot_append_linear_gradient (snapshot,
-                                           &GRAPHENE_RECT_INIT (0, 0, width, height),
-                                           &GRAPHENE_POINT_INIT (0, 0),
-                                           &GRAPHENE_POINT_INIT (width, height),
-                                           (GskColorStop[8]) {
-                                             { 0.0, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.2, { 1.0, 0.0, 0.0, 1.0 } },
-                                             { 0.3, { 1.0, 1.0, 0.0, 1.0 } },
-                                             { 0.4, { 0.0, 1.0, 0.0, 1.0 } },
-                                             { 0.6, { 0.0, 1.0, 1.0, 1.0 } },
-                                             { 0.7, { 0.0, 0.0, 1.0, 1.0 } },
-                                             { 0.8, { 1.0, 0.0, 1.0, 1.0 } },
-                                             { 1.0, { 1.0, 0.0, 1.0, 1.0 } }
-                                           },
-                                           8);
-    }
-
-  gtk_snapshot_pop (snapshot);
-
-}
-
-static void
-gtk_maze_dispose (GObject *object)
-{
-  GtkMaze *self = GTK_MAZE (object);
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-  g_clear_pointer (&self->measure, gsk_path_measure_unref);
-  if (self->background)
-    {
-      g_signal_handlers_disconnect_matched (self->background, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
-      g_clear_object (&self->background);
-    }
-
-  G_OBJECT_CLASS (gtk_maze_parent_class)->dispose (object);
-}
-
-static void
-gtk_maze_class_init (GtkMazeClass *klass)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_maze_dispose;
-
-  widget_class->measure = gtk_maze_measure;
-  widget_class->snapshot = gtk_maze_snapshot;
-}
-
-static void
-celebrate (gboolean win)
-{
-  char *path;
-  GtkMediaStream *stream;
-
-  if (win)
-    path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "complete.oga", NULL);
-  else
-    path = g_build_filename (GTK_DATADIR, "sounds", "freedesktop", "stereo", "suspend-error.oga", NULL);
-  stream = gtk_media_file_new_for_filename (path);
-  gtk_media_stream_set_volume (stream, 1.0);
-  gtk_media_stream_play (stream);
-
-  g_signal_connect (stream, "notify::ended", G_CALLBACK (g_object_unref), NULL);
-  g_free (path);
-}
-
-static void
-pointer_motion (GtkEventControllerMotion *controller,
-                double                    x,
-                double                    y,
-                GtkMaze                  *self)
-{
-  GskPathPoint point;
-  float distance;
-
-  if (!self->active)
-    return;
-
-  if (gsk_path_get_closest_point (self->path,
-                                  &GRAPHENE_POINT_INIT (x, y),
-                                  INFINITY,
-                                  &point,
-                                  &distance))
-    {
-      if (distance < MAZE_STROKE_SIZE_ACTIVE / 2.f)
-        return;
-    }
-
-  celebrate (FALSE);
-
-  self->active = FALSE;
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-pointer_leave (GtkEventControllerMotion *controller,
-               GtkMaze                  *self)
-{
-  if (!self->active)
-    {
-      self->active = TRUE;
-      gtk_widget_queue_draw (GTK_WIDGET (self));
-    }
-}
-
-static void
-gtk_maze_init (GtkMaze *self)
-{
-  GtkEventController *controller;
-
-  controller = GTK_EVENT_CONTROLLER (gtk_event_controller_motion_new ());
-  g_signal_connect (controller, "motion", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "leave", G_CALLBACK (pointer_leave), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  self->active = TRUE;
-}
-
-static void
-gtk_maze_set_path (GtkMaze *self,
-                   GskPath *path)
-{
-  g_clear_pointer (&self->path, gsk_path_unref);
-  g_clear_pointer (&self->measure, gsk_path_measure_unref);
-  self->path = gsk_path_ref (path);
-  self->measure = gsk_path_measure_new (path);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-GtkWidget *
-gtk_maze_new (GskPath      *path,
-              GdkPaintable *background,
-              int           width,
-              int           height)
-{
-  GtkMaze *self;
-
-  self = g_object_new (GTK_TYPE_MAZE, NULL);
-
-  gtk_maze_set_path (self, path);
-  gsk_path_unref (path);
-  self->background = background;
-  if (self->background)
-    {
-      g_signal_connect_swapped (self->background, "invalidate-contents", G_CALLBACK (gtk_widget_queue_draw), self);
-      g_signal_connect_swapped (self->background, "invalidate-size", G_CALLBACK (gtk_widget_queue_resize), self);
-    }
-  self->width = width;
-  self->height = height;
-
-  return GTK_WIDGET (self);
-}
-
-static void
-add_point_to_maze (GtkBitset      *maze,
-                   GskPathBuilder *builder,
-                   guint           x,
-                   guint           y)
-{
-  gboolean set[4] = { FALSE, FALSE, FALSE, FALSE };
-  guint dir;
-
-  gtk_bitset_add (maze, y * MAZE_WIDTH + x);
-
-  while (TRUE)
-    {
-      set[0] = set[0] || x == 0 || gtk_bitset_contains (maze, y * MAZE_WIDTH + x - 1);
-      set[1] = set[1] || y == 0 || gtk_bitset_contains (maze, (y - 1) * MAZE_WIDTH + x);
-      set[2] = set[2] || x + 1 == MAZE_WIDTH || gtk_bitset_contains (maze, y * MAZE_WIDTH + x + 1);
-      set[3] = set[3] || y + 1 == MAZE_HEIGHT || gtk_bitset_contains (maze, (y + 1) * MAZE_WIDTH + x);
-
-      if (set[0] && set[1] && set[2] && set[3])
-        return;
-      
-      do
-        {
-          dir = g_random_int_range (0, 4);
-        }
-      while (set[dir]);
-
-      switch (dir)
-        {
-          case 0:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x - 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x - 1, y);
-            break;
-
-          case 1:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y - 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x, y - 1);
-            break;
-
-          case 2:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 1.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x + 1, y);
-            break;
-
-          case 3:
-            gsk_path_builder_move_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 0.5) * MAZE_GRID_SIZE);
-            gsk_path_builder_line_to (builder, (x + 0.5) * MAZE_GRID_SIZE, (y + 1.5) * MAZE_GRID_SIZE);
-            add_point_to_maze (maze, builder, x, y + 1);
-            break;
-
-          default:
-            g_assert_not_reached ();
-            break;
-        }
-    }
-}
-
-static GskPath *
-create_path_for_maze (GtkWidget *widget)
-{
-  GskPathBuilder *builder;
-  GtkBitset *maze;
-
-  builder = gsk_path_builder_new ();
-  maze = gtk_bitset_new_empty ();
-  /* make sure the outer lines are unreachable:
-   * Set the full range, then remove the center again. */
-  gtk_bitset_add_range (maze, 0, MAZE_WIDTH * MAZE_HEIGHT);
-  gtk_bitset_remove_rectangle (maze, MAZE_WIDTH + 1, MAZE_WIDTH - 2, MAZE_HEIGHT - 2, MAZE_WIDTH);
-
-  /* Fill the maze */
-  add_point_to_maze (maze, builder, MAZE_WIDTH / 2, MAZE_HEIGHT / 2);
-
-  /* Add start and stop lines */
-  gsk_path_builder_move_to (builder, 1.5 * MAZE_GRID_SIZE, -0.5 * MAZE_GRID_SIZE);
-  gsk_path_builder_line_to (builder, 1.5 * MAZE_GRID_SIZE, 1.5 * MAZE_GRID_SIZE);
-  gsk_path_builder_move_to (builder, (MAZE_WIDTH - 1.5) * MAZE_GRID_SIZE, (MAZE_HEIGHT - 1.5) * MAZE_GRID_SIZE);
-  gsk_path_builder_line_to (builder, (MAZE_WIDTH - 1.5) * MAZE_GRID_SIZE, (MAZE_HEIGHT + 0.5) * MAZE_GRID_SIZE);
-
-
-  gtk_bitset_unref (maze);
-
-  return gsk_path_builder_free_to_path (builder);
-}
-
-GtkWidget *
-do_path_maze (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *maze;
-      GtkMediaStream *stream;
-      GskPath *path;
-
-      window = gtk_window_new ();
-      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
-      gtk_window_set_title (GTK_WINDOW (window), "Follow the maze with the mouse");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-#if 0
-      stream = gtk_media_file_new_for_resource ("/images/gtk-logo.webm");
-#else
-      stream = gtk_nuclear_media_stream_new ();
-#endif
-      gtk_media_stream_play (stream);
-      gtk_media_stream_set_loop (stream, TRUE);
-
-      path = create_path_for_maze (window);
-
-      maze = gtk_maze_new (path,
-                           GDK_PAINTABLE (stream),
-                           MAZE_WIDTH * MAZE_GRID_SIZE,
-                           MAZE_HEIGHT * MAZE_GRID_SIZE);
-
-      gtk_window_set_child (GTK_WINDOW (window), maze);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_spinner.c

@@ -1,323 +0,0 @@
-/* Path/Spinner
- *
- * This demo shows how to use GskPath to draw a simple animation
- * that could be used as a spinner.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#include "paintable.h"
-
-#undef SHOW_CONTROLS
-
-#define GTK_TYPE_SPINNER_PAINTABLE (gtk_spinner_paintable_get_type ())
-G_DECLARE_FINAL_TYPE (GtkSpinnerPaintable, gtk_spinner_paintable, GTK, SPINNER_PAINTABLE, GObject)
-
-struct _GtkSpinnerPaintable
-{
-  GObject parent_instance;
-
-  gint64 start_time;
-
-  int width;
-  double angle;
-  double completion;
-
-  GskPath *circle;
-  GskPath *path;
-  GskStroke *stroke;
-  GdkRGBA color;
-  GdkRGBA circle_color;
-#ifdef SHOW_CONTROLS
-  GskPath *controls;
-  GdkRGBA control_color;
-#endif
-};
-
-struct _GtkSpinnerPaintableClass
-{
-  GObjectClass parent_class;
-};
-
-static int
-gtk_spinner_paintable_get_intrinsic_width (GdkPaintable *paintable)
-{
-  GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
-
-  return self->width;
-}
-
-static int
-gtk_spinner_paintable_get_intrinsic_height (GdkPaintable *paintable)
-{
-  GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
-
-  return self->width;
-}
-
-static void
-gtk_spinner_paintable_snapshot (GdkPaintable *paintable,
-                                GdkSnapshot  *snapshot,
-                                double        width,
-                                double        height)
-{
-  GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (paintable);
-
-  gtk_snapshot_append_stroke (snapshot, self->circle, self->stroke, &self->circle_color);
-  gtk_snapshot_append_stroke (snapshot, self->path, self->stroke, &self->color);
-#ifdef SHOW_CONTROLS
-  GskStroke *stroke = gsk_stroke_new (1);
-  gtk_snapshot_append_stroke (snapshot, self->controls, stroke, &self->control_color);
-  gsk_stroke_free (stroke);
-#endif
-}
-
-static GdkPaintableFlags
-gtk_spinner_paintable_get_flags (GdkPaintable *paintable)
-{
-  return GDK_PAINTABLE_STATIC_SIZE;
-}
-
-static void
-gtk_spinner_paintable_paintable_init (GdkPaintableInterface *iface)
-{
-  iface->get_intrinsic_width = gtk_spinner_paintable_get_intrinsic_width;
-  iface->get_intrinsic_height = gtk_spinner_paintable_get_intrinsic_height;
-  iface->snapshot = gtk_spinner_paintable_snapshot;
-  iface->get_flags = gtk_spinner_paintable_get_flags;
-}
-
-/* When defining the GType, we need to implement the GdkPaintable interface */
-G_DEFINE_TYPE_WITH_CODE (GtkSpinnerPaintable, gtk_spinner_paintable, G_TYPE_OBJECT,
-                         G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
-                                                gtk_spinner_paintable_paintable_init))
-
-static void
-gtk_spinner_paintable_dispose (GObject *object)
-{
-  GtkSpinnerPaintable *self = GTK_SPINNER_PAINTABLE (object);
-
-  gsk_path_unref (self->circle);
-  gsk_path_unref (self->path);
-#ifdef SHOW_CONTROLS
-  gsk_path_unref (self->controls);
-#endif
-
-  gsk_stroke_free (self->stroke);
-
-  G_OBJECT_CLASS (gtk_spinner_paintable_parent_class)->dispose (object);
-}
-
-static void
-gtk_spinner_paintable_class_init (GtkSpinnerPaintableClass *klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_spinner_paintable_dispose;
-}
-
-static void
-gtk_spinner_paintable_init (GtkSpinnerPaintable *self)
-{
-}
-
-static GdkPaintable *
-gtk_spinner_paintable_new (void)
-{
-  GtkSpinnerPaintable *self;
-  GskPathBuilder *builder;
-
-  self = g_object_new (GTK_TYPE_SPINNER_PAINTABLE, NULL);
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (50, 50), 40);
-  self->circle = gsk_path_builder_free_to_path (builder);
-
-  self->width = 100;
-  self->angle = 0;
-  self->completion = 1;
-  gdk_rgba_parse (&self->color, "green");
-  gdk_rgba_parse (&self->circle_color, "lightgray");
-#ifdef SHOW_CONTROLS
-  gdk_rgba_parse (&self->control_color, "black");
-#endif
-  self->stroke = gsk_stroke_new (5);
-
-  return GDK_PAINTABLE (self);
-}
-
-#ifdef SHOW_CONTROLS
-static gboolean
-add_controls (GskPathOperation        op,
-              const graphene_point_t *pts,
-              gsize                   n_pts,
-              float                   weight,
-              gpointer                data)
-{
-  GskPathBuilder *builder = data;
-
-  switch (op)
-    {
-    case GSK_PATH_MOVE:
-      gsk_path_builder_move_to (builder, pts[0].x, pts[0].y);
-      break;
-
-    case GSK_PATH_CLOSE:
-    case GSK_PATH_LINE:
-      gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
-      break;
-
-    case GSK_PATH_QUAD:
-    case GSK_PATH_CONIC:
-      gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
-      gsk_path_builder_line_to (builder, pts[2].x, pts[2].y);
-      break;
-
-    case GSK_PATH_CUBIC:
-      gsk_path_builder_line_to (builder, pts[1].x, pts[1].y);
-      gsk_path_builder_line_to (builder, pts[2].x, pts[2].y);
-      gsk_path_builder_line_to (builder, pts[3].x, pts[3].y);
-      break;
-
-    default:
-      g_assert_not_reached ();
-    }
-
-  return TRUE;
-}
-#endif
-
-static void
-update_path (GtkSpinnerPaintable *self)
-{
-  GskPathBuilder *builder;
-  GskPathPoint start, end;
-  graphene_point_t p0, p1;
-  float start_angle, end_angle;
-
-  start_angle = self->angle;
-  end_angle = fmod (self->angle + 360 * self->completion / 100, 360);
-
-  p0 = GRAPHENE_POINT_INIT (50 + 40 * cos (M_PI * start_angle / 180),
-                            50 + 40 * sin (M_PI * start_angle / 180));
-  p1 = GRAPHENE_POINT_INIT (50 + 40 * cos (M_PI * end_angle / 180),
-                            50 + 40 * sin (M_PI * end_angle / 180));
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-
-  gsk_path_get_closest_point (self->circle, &p0, INFINITY, &start, NULL);
-  gsk_path_get_closest_point (self->circle, &p1, INFINITY, &end, NULL);
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_segment (builder, self->circle, &start, &end);
-  self->path = gsk_path_builder_free_to_path (builder);
-
-#ifdef SHOW_CONTROLS
-  g_clear_pointer (&self->controls, gsk_path_unref);
-  builder = gsk_path_builder_new ();
-  gsk_path_foreach (self->path, -1, add_controls, builder);
-  self->controls = gsk_path_builder_free_to_path (builder);
-#endif
-
-  gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
-}
-
-static void
-gtk_spinner_paintable_set_completion (GtkSpinnerPaintable *self,
-                                   float             completion)
-{
-  self->completion = CLAMP (completion, 0, 100);
-  update_path (self);
-}
-
-static float
-gtk_spinner_paintable_get_completion (GtkSpinnerPaintable *self)
-{
-  return self->completion;
-}
-
-static void
-gtk_spinner_paintable_set_frame_time (GtkSpinnerPaintable *self,
-                                      gint64            time)
-{
-  double delta;
-
-  if (self->start_time == 0)
-    self->start_time = time;
-
-  delta = (time - self->start_time) / (double) G_TIME_SPAN_SECOND;
-  self->angle = fmod (60 * delta, 360);
-  update_path (self);
-}
-
-static gboolean
-tick_cb (GtkWidget *widget,
-         GdkFrameClock *clock,
-         gpointer data)
-{
-  GtkSpinnerPaintable *self = data;
-
-  gtk_spinner_paintable_set_frame_time (self, gdk_frame_clock_get_frame_time (clock));
-  return G_SOURCE_CONTINUE;
-}
-
-static gboolean
-progress_timeout (gpointer data)
-{
-  GtkSpinnerPaintable *self = data;
-  static float progress_delta = 0.5;
-  float progress;
-
-  progress = gtk_spinner_paintable_get_completion (self);
-  if (progress >= 100 || progress <= 0)
-    progress_delta = -progress_delta;
-
-  gtk_spinner_paintable_set_completion (self, progress + progress_delta);
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-unset_timeout (gpointer data)
-{
-  g_source_remove (GPOINTER_TO_UINT (data));
-}
-
-GtkWidget *
-do_path_spinner (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *picture;
-      GdkPaintable *paintable;
-      guint timeout_id;
-
-      window = gtk_window_new ();
-      gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
-      gtk_window_set_title (GTK_WINDOW (window), "Spinner");
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
-
-      paintable = gtk_spinner_paintable_new ();
-      picture = gtk_picture_new_for_paintable (paintable);
-      gtk_picture_set_content_fit (GTK_PICTURE (picture), GTK_CONTENT_FIT_CONTAIN);
-      gtk_picture_set_can_shrink (GTK_PICTURE (picture), FALSE);
-      g_object_unref (paintable);
-
-      gtk_widget_add_tick_callback (picture, tick_cb, paintable, NULL);
-      timeout_id = g_timeout_add (100, progress_timeout, paintable);
-
-      g_object_set_data_full (G_OBJECT (picture), "timeout", GUINT_TO_POINTER (timeout_id), unset_timeout);
-
-      gtk_window_set_child (GTK_WINDOW (window), picture);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_text.c

@@ -1,584 +0,0 @@
-/* Path/Text
- *
- * This demo shows how to use GskPath to transform a path along another path.
- *
- * It also demonstrates that paths can be filled with more interesting
- * content than just plain colors.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#define GTK_TYPE_PATH_WIDGET (gtk_path_widget_get_type ())
-G_DECLARE_FINAL_TYPE (GtkPathWidget, gtk_path_widget, GTK, PATH_WIDGET, GtkWidget)
-
-#define POINT_SIZE 8
-
-enum {
-  PROP_0,
-  PROP_TEXT,
-  PROP_EDITABLE,
-  N_PROPS
-};
-
-struct _GtkPathWidget
-{
-  GtkWidget parent_instance;
-
-  char *text;
-  gboolean editable;
-
-  graphene_point_t points[4];
-
-  guint active_point;
-
-  GskPath *line_path;
-  GskPath *text_path;
-
-  GdkPaintable *background;
-};
-
-struct _GtkPathWidgetClass
-{
-  GtkWidgetClass parent_class;
-};
-
-static GParamSpec *properties[N_PROPS] = { NULL, };
-
-G_DEFINE_TYPE (GtkPathWidget, gtk_path_widget, GTK_TYPE_WIDGET)
-
-static GskPath *
-create_path_from_text (GtkWidget  *widget,
-                       const char *text,
-                       graphene_point_t *out_offset)
-{
-  PangoLayout *layout;
-  PangoFontDescription *desc;
-  GskPathBuilder *builder;
-  GskPath *result;
-
-  layout = gtk_widget_create_pango_layout (widget, text);
-  desc = pango_font_description_from_string ("sans bold 36");
-  pango_layout_set_font_description (layout, desc);
-  pango_font_description_free (desc);
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_add_layout (builder, layout);
-  result = gsk_path_builder_free_to_path (builder);
-
-  if (out_offset)
-    graphene_point_init (out_offset, 0, - pango_layout_get_baseline (layout) / (double) PANGO_SCALE);
-  g_object_unref (layout);
-
-  return result;
-}
-
-typedef struct
-{
-  GskPathMeasure *measure;
-  GskPathBuilder *builder;
-  graphene_point_t offset;
-  double scale;
-} GtkPathTransform;
-
-static void
-gtk_path_transform_point (GskPathMeasure         *measure,
-                          const graphene_point_t *pt,
-                          const graphene_point_t *offset,
-                          float                   scale,
-                          graphene_point_t       *res)
-{
-  graphene_vec2_t tangent;
-  GskPathPoint point;
-
-  if (gsk_path_measure_get_point (measure, (pt->x + offset->x) * scale, &point))
-    {
-      GskPath *path = gsk_path_measure_get_path (measure);
-
-      gsk_path_point_get_position (&point, path, res);
-      gsk_path_point_get_tangent (&point, path, GSK_PATH_TO_END, &tangent);
-
-      res->x -= (pt->y + offset->y) * scale * graphene_vec2_get_y (&tangent);
-      res->y += (pt->y + offset->y) * scale * graphene_vec2_get_x (&tangent);
-    }
-}
-
-static gboolean
-gtk_path_transform_op (GskPathOperation        op,
-                       const graphene_point_t *pts,
-                       gsize                   n_pts,
-                       float                   weight,
-                       gpointer                data)
-{
-  GtkPathTransform *transform = data;
-
-  switch (op)
-  {
-    case GSK_PATH_MOVE:
-      {
-        graphene_point_t res;
-        gtk_path_transform_point (transform->measure, &pts[0], &transform->offset, transform->scale, &res);
-        gsk_path_builder_move_to (transform->builder, res.x, res.y);
-      }
-      break;
-
-    case GSK_PATH_LINE:
-      {
-        graphene_point_t res;
-        gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res);
-        gsk_path_builder_line_to (transform->builder, res.x, res.y);
-      }
-      break;
-
-    case GSK_PATH_QUAD:
-      {
-        graphene_point_t res[2];
-        gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
-        gtk_path_transform_point (transform->measure, &pts[2], &transform->offset, transform->scale, &res[1]);
-        gsk_path_builder_quad_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y);
-      }
-      break;
-
-    case GSK_PATH_CUBIC:
-      {
-        graphene_point_t res[3];
-        gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
-        gtk_path_transform_point (transform->measure, &pts[2], &transform->offset, transform->scale, &res[1]);
-        gtk_path_transform_point (transform->measure, &pts[3], &transform->offset, transform->scale, &res[2]);
-        gsk_path_builder_cubic_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, res[2].x, res[2].y);
-      }
-      break;
-
-    case GSK_PATH_CONIC:
-      {
-        graphene_point_t res[2];
-        gtk_path_transform_point (transform->measure, &pts[1], &transform->offset, transform->scale, &res[0]);
-        gtk_path_transform_point (transform->measure, &pts[3], &transform->offset, transform->scale, &res[1]);
-        gsk_path_builder_conic_to (transform->builder, res[0].x, res[0].y, res[1].x, res[1].y, weight);
-      }
-      break;
-
-    case GSK_PATH_CLOSE:
-      gsk_path_builder_close (transform->builder);
-      break;
-
-    default:
-      g_assert_not_reached();
-      return FALSE;
-  }
-
-  return TRUE;
-}
-
-static GskPath *
-gtk_path_transform (GskPath                *line_path,
-                    GskPath                *path,
-                    const graphene_point_t *offset)
-{
-  GskPathMeasure *measure = gsk_path_measure_new (line_path);
-  GtkPathTransform transform = { measure, gsk_path_builder_new (), *offset };
-  graphene_rect_t bounds;
-
-  gsk_path_get_bounds (path, &bounds);
-  if (bounds.origin.x + bounds.size.width > 0)
-    transform.scale = gsk_path_measure_get_length (measure) / (bounds.origin.x + bounds.size.width);
-  else
-    transform.scale = 1.0f;
-
-  gsk_path_foreach (path, -1, gtk_path_transform_op, &transform);
-
-  gsk_path_measure_unref (measure);
-
-  return gsk_path_builder_free_to_path (transform.builder);
-}
-
-static void
-gtk_path_widget_clear_text_path (GtkPathWidget *self)
-{
-  g_clear_pointer (&self->text_path, gsk_path_unref);
-}
-
-static void
-gtk_path_widget_clear_paths (GtkPathWidget *self)
-{
-  gtk_path_widget_clear_text_path (self);
-
-  g_clear_pointer (&self->line_path, gsk_path_unref);
-}
-
-static void
-gtk_path_widget_create_text_path (GtkPathWidget *self)
-{
-  GskPath *path;
-  graphene_point_t offset;
-
-  gtk_path_widget_clear_text_path (self);
-
-  path = create_path_from_text (GTK_WIDGET (self), self->text, &offset);
-  self->text_path = gtk_path_transform (self->line_path, path, &offset);
-
-  gsk_path_unref (path);
-}
-
-static void
-gtk_path_widget_create_paths (GtkPathWidget *self)
-{
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  GskPathBuilder *builder;
-
-  gtk_path_widget_clear_paths (self);
-
-  if (width <= 0 || height <= 0)
-    return;
-
-  builder = gsk_path_builder_new ();
-  gsk_path_builder_move_to (builder,
-                            self->points[0].x * width, self->points[0].y * height);
-  gsk_path_builder_cubic_to (builder,
-                             self->points[1].x * width, self->points[1].y * height,
-                             self->points[2].x * width, self->points[2].y * height,
-                             self->points[3].x * width, self->points[3].y * height);
-  self->line_path = gsk_path_builder_free_to_path (builder);
-
-  gtk_path_widget_create_text_path (self);
-}
-
-static void
-gtk_path_widget_allocate (GtkWidget *widget,
-                          int        width,
-                          int        height,
-                          int        baseline)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (widget);
-
-  GTK_WIDGET_CLASS (gtk_path_widget_parent_class)->size_allocate (widget, width, height, baseline);
-
-  gtk_path_widget_create_paths (self);
-}
-
-static void
-gtk_path_widget_snapshot (GtkWidget   *widget,
-                          GtkSnapshot *snapshot)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (widget);
-  double width = gtk_widget_get_width (widget);
-  double height = gtk_widget_get_height (widget);
-  GskPath *path;
-  GskStroke *stroke;
-  gsize i;
-
-  /* frosted glass the background */
-  gtk_snapshot_push_blur (snapshot, 100);
-  gdk_paintable_snapshot (self->background, snapshot, width, height);
-  gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 0.6 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-  gtk_snapshot_pop (snapshot);
-
-  /* draw the text */
-  if (self->text_path)
-    {
-      gtk_snapshot_push_fill (snapshot, self->text_path, GSK_FILL_RULE_WINDING);
-      gdk_paintable_snapshot (self->background, snapshot, width, height);
-
-      /* ... with an emboss effect */
-      stroke = gsk_stroke_new (2.0);
-      gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT(1, 1));
-      gtk_snapshot_push_stroke (snapshot, self->text_path, stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 0.2 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gsk_stroke_free (stroke);
-      gtk_snapshot_pop (snapshot);
-
-      gtk_snapshot_pop (snapshot);
-    }
-
-  if (self->editable && self->line_path)
-    {
-      GskPathBuilder *builder;
-
-      /* draw the control line */
-      stroke = gsk_stroke_new (1.0);
-      gtk_snapshot_push_stroke (snapshot, self->line_path, stroke);
-      gsk_stroke_free (stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      /* draw the points */
-      builder = gsk_path_builder_new ();
-      for (i = 0; i < 4; i++)
-        {
-          gsk_path_builder_add_circle (builder, &GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), POINT_SIZE);
-        }
-      path = gsk_path_builder_free_to_path (builder);
-
-      gtk_snapshot_push_fill (snapshot, path, GSK_FILL_RULE_WINDING);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 1, 1, 1, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      stroke = gsk_stroke_new (1.0);
-      gtk_snapshot_push_stroke (snapshot, path, stroke);
-      gsk_stroke_free (stroke);
-      gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-      gtk_snapshot_pop (snapshot);
-
-      gsk_path_unref (path);
-    }
-}
-
-static void
-gtk_path_widget_set_text (GtkPathWidget *self,
-                          const char    *text)
-{
-  if (g_strcmp0 (self->text, text) == 0)
-    return;
-
-  g_free (self->text);
-  self->text = g_strdup (text);
-
-  gtk_path_widget_create_paths (self);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TEXT]);
-}
-
-static void
-gtk_path_widget_set_editable (GtkPathWidget *self,
-                              gboolean       editable)
-{
-  if (self->editable == editable)
-    return;
-
-  self->editable = editable;
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EDITABLE]);
-}
-
-static void
-gtk_path_widget_set_property (GObject      *object,
-                              guint         prop_id,
-                              const GValue *value,
-                              GParamSpec   *pspec)
-
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  switch (prop_id)
-    {
-    case PROP_TEXT:
-      gtk_path_widget_set_text (self, g_value_get_string (value));
-      break;
-
-    case PROP_EDITABLE:
-      gtk_path_widget_set_editable (self, g_value_get_boolean (value));
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_widget_get_property (GObject    *object,
-                              guint       prop_id,
-                              GValue     *value,
-                              GParamSpec *pspec)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  switch (prop_id)
-    {
-    case PROP_TEXT:
-      g_value_set_string (value, self->text);
-      break;
-
-    case PROP_EDITABLE:
-      g_value_set_boolean (value, self->editable);
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_widget_dispose (GObject *object)
-{
-  GtkPathWidget *self = GTK_PATH_WIDGET (object);
-
-  gtk_path_widget_clear_paths (self);
-
-  G_OBJECT_CLASS (gtk_path_widget_parent_class)->dispose (object);
-}
-
-static void
-gtk_path_widget_class_init (GtkPathWidgetClass *klass)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_path_widget_dispose;
-  object_class->set_property = gtk_path_widget_set_property;
-  object_class->get_property = gtk_path_widget_get_property;
-
-  widget_class->size_allocate = gtk_path_widget_allocate;
-  widget_class->snapshot = gtk_path_widget_snapshot;
-
-  properties[PROP_TEXT] =
-    g_param_spec_string ("text",
-                         "text",
-                         "Text transformed along a path",
-                         NULL,
-                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  properties[PROP_EDITABLE] =
-    g_param_spec_boolean ("editable",
-                          "editable",
-                          "If the path can be edited by the user",
-                          FALSE,
-                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  g_object_class_install_properties (object_class, N_PROPS, properties);
-}
-
-static void
-drag_begin (GtkGestureDrag *gesture,
-            double          x,
-            double          y,
-            GtkPathWidget  *self)
-{
-  graphene_point_t mouse = GRAPHENE_POINT_INIT (x, y);
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  gsize i;
-
-  for (i = 0; i < 4; i++)
-    {
-      if (graphene_point_distance (&GRAPHENE_POINT_INIT (self->points[i].x * width, self->points[i].y * height), &mouse, NULL, NULL) <= POINT_SIZE)
-        {
-          self->active_point = i;
-          break;
-        }
-    }
-  if (i == 4)
-    {
-      gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
-      return;
-    }
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-drag_update (GtkGestureDrag *drag,
-             double          offset_x,
-             double          offset_y,
-             GtkPathWidget  *self)
-{
-  double width = gtk_widget_get_width (GTK_WIDGET (self));
-  double height = gtk_widget_get_height (GTK_WIDGET (self));
-  double start_x, start_y;
-
-  gtk_gesture_drag_get_start_point (drag, &start_x, &start_y);
-
-  self->points[self->active_point] = GRAPHENE_POINT_INIT ((start_x + offset_x) / width,
-                                                          (start_y + offset_y) / height);
-  self->points[self->active_point].x = CLAMP (self->points[self->active_point].x, 0, 1);
-  self->points[self->active_point].y = CLAMP (self->points[self->active_point].y, 0, 1);
-
-  gtk_path_widget_create_paths (self);
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-pointer_motion (GtkEventControllerMotion *controller,
-                double                    x,
-                double                    y,
-                GtkPathWidget            *self)
-{
-  GskPathPoint point;
-
-  if (gsk_path_get_closest_point (self->line_path,
-                                  &GRAPHENE_POINT_INIT (x, y),
-                                  INFINITY,
-                                  &point,
-                                  NULL))
-    {
-      gtk_widget_queue_draw (GTK_WIDGET (self));
-    }
-}
-
-static void
-pointer_leave (GtkEventControllerMotion *controller,
-               GtkPathWidget            *self)
-{
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-}
-
-static void
-gtk_path_widget_init (GtkPathWidget *self)
-{
-  GtkEventController *controller;
-
-  controller = GTK_EVENT_CONTROLLER (gtk_gesture_drag_new ());
-  g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);
-  g_signal_connect (controller, "drag-update", G_CALLBACK (drag_update), self);
-  g_signal_connect (controller, "drag-end", G_CALLBACK (drag_update), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  controller = GTK_EVENT_CONTROLLER (gtk_event_controller_motion_new ());
-  g_signal_connect (controller, "enter", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "motion", G_CALLBACK (pointer_motion), self);
-  g_signal_connect (controller, "leave", G_CALLBACK (pointer_leave), self);
-  gtk_widget_add_controller (GTK_WIDGET (self), controller);
-
-  self->points[0] = GRAPHENE_POINT_INIT (0.1, 0.9);
-  self->points[1] = GRAPHENE_POINT_INIT (0.3, 0.1);
-  self->points[2] = GRAPHENE_POINT_INIT (0.7, 0.1);
-  self->points[3] = GRAPHENE_POINT_INIT (0.9, 0.9);
-
-  self->background = GDK_PAINTABLE (gdk_texture_new_from_resource ("/sliding_puzzle/portland-rose.jpg"));
-
-  gtk_path_widget_set_text (self, "It's almost working");
-}
-
-GtkWidget *
-gtk_path_widget_new (void)
-{
-  GtkPathWidget *self;
-
-  self = g_object_new (GTK_TYPE_PATH_WIDGET, NULL);
-
-  return GTK_WIDGET (self);
-}
-
-GtkWidget *
-do_path_text (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkBuilder *builder;
-
-      g_type_ensure (GTK_TYPE_PATH_WIDGET);
-
-      builder = gtk_builder_new_from_resource ("/path_text/path_text.ui");
-      window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
-      g_object_unref (builder);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_text.ui

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

demos/gtk-demo/path_walk.c

@@ -1,373 +0,0 @@
-/* Path/Walk
- *
- * This demo draws a world map and shows how to animate objects along a GskPath.
- *
- * The world map that is used here is a path with 211 lines and 1569 cubic
- * Bėzier segments in 121 contours.
- */
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-
-#define GTK_TYPE_PATH_WALK (gtk_path_walk_get_type ())
-G_DECLARE_FINAL_TYPE (GtkPathWalk, gtk_path_walk, GTK, PATH_WALK, GtkWidget)
-
-#define POINT_SIZE 8
-
-enum {
-  PROP_0,
-  PROP_N_POINTS,
-  PROP_PATH,
-  N_PROPS
-};
-
-struct _GtkPathWalk
-{
-  GtkWidget parent_instance;
-
-  GskPath *path;
-  GskPathMeasure *measure;
-  graphene_rect_t bounds;
-  GskPath *arrow_path;
-  guint n_points;
-};
-
-struct _GtkPathWalkClass
-{
-  GtkWidgetClass parent_class;
-};
-
-static GParamSpec *properties[N_PROPS] = { NULL, };
-
-G_DEFINE_TYPE (GtkPathWalk, gtk_path_walk, GTK_TYPE_WIDGET)
-
-static void
-rgba_init_from_hsla (GdkRGBA *rgba,
-                     float    hue,
-                     float    saturation,
-                     float    lightness,
-                     float    alpha)
-{
-  float m1, m2;
-
-  if (lightness <= 0.5)
-    m2 = lightness * (1 + saturation);
-  else
-    m2 = lightness + saturation - lightness * saturation;
-  m1 = 2 * lightness - m2;
-
-  rgba->alpha = alpha;
-
-  if (saturation == 0)
-    {
-      rgba->red = lightness;
-      rgba->green = lightness;
-      rgba->blue = lightness;
-    }
-  else
-    {
-      hue = hue + 120;
-      while (hue > 360)
-        hue -= 360;
-      while (hue < 0)
-        hue += 360;
-
-      if (hue < 60)
-        rgba->red = m1 + (m2 - m1) * hue / 60;
-      else if (hue < 180)
-        rgba->red = m2;
-      else if (hue < 240)
-        rgba->red = m1 + (m2 - m1) * (240 - hue) / 60;
-      else
-        rgba->red = m1;
-
-      hue -= 120;
-      if (hue < 0)
-        hue += 360;
-
-      if (hue < 60)
-        rgba->green = m1 + (m2 - m1) * hue / 60;
-      else if (hue < 180)
-        rgba->green = m2;
-      else if (hue < 240)
-        rgba->green = m1 + (m2 - m1) * (240 - hue) / 60;
-      else
-        rgba->green = m1;
-
-      hue -= 120;
-      if (hue < 0)
-        hue += 360;
-
-      if (hue < 60)
-        rgba->blue = m1 + (m2 - m1) * hue / 60;
-      else if (hue < 180)
-        rgba->blue = m2;
-      else if (hue < 240)
-        rgba->blue = m1 + (m2 - m1) * (240 - hue) / 60;
-      else
-        rgba->blue = m1;
-    }
-}
-
-static void
-gtk_path_walk_snapshot (GtkWidget   *widget,
-                        GtkSnapshot *snapshot)
-{
-  GtkPathWalk *self = GTK_PATH_WALK (widget);
-  double width = gtk_widget_get_width (widget);
-  double height = gtk_widget_get_height (widget);
-  float length, progress;
-  GskStroke *stroke;
-  guint i;
-
-  if (self->path == NULL)
-    return;
-
-  gtk_snapshot_save (snapshot);
-
-  stroke = gsk_stroke_new (2.0);
-  gtk_snapshot_push_stroke (snapshot, self->path, stroke);
-  gtk_snapshot_append_color (snapshot, &(GdkRGBA) { 0, 0, 0, 1 }, &GRAPHENE_RECT_INIT (0, 0, width, height));
-  gtk_snapshot_pop (snapshot);
-  gsk_stroke_free (stroke);
-
-  length = gsk_path_measure_get_length (self->measure);
-  progress = 25.f * gdk_frame_clock_get_frame_time (gtk_widget_get_frame_clock (widget)) / G_USEC_PER_SEC;
-
-  stroke = gsk_stroke_new (1.0);
-  for (i = 0; i < self->n_points; i++)
-    {
-      GskPathPoint point;
-      graphene_point_t position;
-      float angle;
-      GdkRGBA color;
-      float distance;
-
-      distance = i * length / self->n_points;
-      distance = fmod (distance + progress, length);
-
-      gsk_path_measure_get_point (self->measure, distance, &point);
-      gsk_path_point_get_position (&point, self->path, &position);
-      angle = gsk_path_point_get_rotation (&point, self->path, GSK_PATH_FROM_START);
-      rgba_init_from_hsla (&color, 360.f * i / self->n_points, 1, 0.5, 1);
-
-      gtk_snapshot_save (snapshot);
-      gtk_snapshot_translate (snapshot, &position);
-      gtk_snapshot_rotate (snapshot, angle);
-      gtk_snapshot_append_fill (snapshot, self->arrow_path, GSK_FILL_RULE_EVEN_ODD, &color);
-      gtk_snapshot_append_stroke (snapshot, self->arrow_path, stroke, &(GdkRGBA) { 0, 0, 0, 1 });
-      gtk_snapshot_restore (snapshot);
-    }
-
-  gsk_stroke_free (stroke);
-  gtk_snapshot_restore (snapshot);
-}
-
-static void
-gtk_path_walk_measure (GtkWidget      *widget,
-                       GtkOrientation  orientation,
-                       int             for_size,
-                       int            *minimum,
-                       int            *natural,
-                       int            *minimum_baseline,
-                       int            *natural_baseline)
-{
-  GtkPathWalk *self = GTK_PATH_WALK (widget);
-
-  if (orientation == GTK_ORIENTATION_HORIZONTAL)
-    *minimum = *natural = (int) ceilf (self->bounds.size.width);
-  else
-    *minimum = *natural = (int) ceilf (self->bounds.size.height);
-}
-
-static void
-gtk_path_walk_set_n_points (GtkPathWalk *self,
-                            gsize        n_points)
-{
-  if (self->n_points == n_points)
-    return;
-
-  self->n_points = n_points;
-
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_POINTS]);
-}
-
-static void
-gtk_path_walk_set_path (GtkPathWalk *self,
-                        GskPath     *path)
-{
-  if (self->path == path)
-    return;
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-  graphene_rect_init (&self->bounds, 0, 0, 0, 0);
-  if (path)
-    {
-      GskStroke *stroke;
-
-      self->path = gsk_path_ref (path);
-      stroke = gsk_stroke_new (2.0);
-      gsk_path_get_stroke_bounds (path, stroke, &self->bounds);
-      gsk_stroke_free (stroke);
-      self->measure = gsk_path_measure_new (self->path);
-    }
-
-  gtk_widget_queue_resize (GTK_WIDGET (self));
-
-  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PATH]);
-}
-
-static void
-gtk_path_walk_set_property (GObject      *object,
-                            guint         prop_id,
-                            const GValue *value,
-                            GParamSpec   *pspec)
-
-{
-  GtkPathWalk *self = GTK_PATH_WALK (object);
-
-  switch (prop_id)
-    {
-    case PROP_N_POINTS:
-      gtk_path_walk_set_n_points (self, g_value_get_uint (value));
-      break;
-
-    case PROP_PATH:
-      gtk_path_walk_set_path (self, g_value_get_boxed (value));
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_walk_get_property (GObject    *object,
-                            guint       prop_id,
-                            GValue     *value,
-                            GParamSpec *pspec)
-{
-  GtkPathWalk *self = GTK_PATH_WALK (object);
-
-  switch (prop_id)
-    {
-    case PROP_N_POINTS:
-      g_value_set_uint (value, self->n_points);
-      break;
-
-    case PROP_PATH:
-      g_value_set_boxed (value, self->path);
-      break;
-
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-gtk_path_walk_dispose (GObject *object)
-{
-  GtkPathWalk *self = GTK_PATH_WALK (object);
-
-  g_clear_pointer (&self->path, gsk_path_unref);
-  g_clear_pointer (&self->measure, gsk_path_measure_unref);
-  g_clear_pointer (&self->arrow_path, gsk_path_unref);
-
-  G_OBJECT_CLASS (gtk_path_walk_parent_class)->dispose (object);
-}
-
-static void
-gtk_path_walk_class_init (GtkPathWalkClass *klass)
-{
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
-  object_class->dispose = gtk_path_walk_dispose;
-  object_class->set_property = gtk_path_walk_set_property;
-  object_class->get_property = gtk_path_walk_get_property;
-
-  widget_class->snapshot = gtk_path_walk_snapshot;
-  widget_class->measure = gtk_path_walk_measure;
-
-  properties[PROP_N_POINTS] =
-    g_param_spec_uint ("n-points",
-                       NULL, NULL,
-                       1, G_MAXUINT,
-                       500,
-                       G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  properties[PROP_PATH] =
-    g_param_spec_boxed ("path",
-                        NULL, NULL,
-                        GSK_TYPE_PATH,
-                        G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
-
-  g_object_class_install_properties (object_class, N_PROPS, properties);
-}
-
-static gboolean
-tick_tick_tick (GtkWidget     *self,
-                GdkFrameClock *frame_clock,
-                gpointer       unused)
-{
-  gtk_widget_queue_draw (GTK_WIDGET (self));
-
-  return G_SOURCE_CONTINUE;
-}
-
-static void
-gtk_path_walk_init (GtkPathWalk *self)
-{
-  /* Data taken from
-   * https://commons.wikimedia.org/wiki/Maps_of_the_world#/media/File:Simplified_blank_world_map_without_Antartica_(no_borders).svg
-   */
-  GBytes *data = g_resources_lookup_data ("/path_walk/path_world.txt", 0, NULL);
-  GskPath *path = gsk_path_parse (g_bytes_get_data (data, NULL));
-  g_bytes_unref (data);
-  gtk_path_walk_set_path (self, path);
-  gsk_path_unref (path);
-  self->arrow_path = gsk_path_parse ("M 5 0 L 0 -5. 0 -2, -5 -2, -5 2, 0 2, 0 5 Z");
-  self->n_points = 500;
-  gtk_widget_add_tick_callback (GTK_WIDGET (self), tick_tick_tick, NULL, NULL);
-}
-
-GtkWidget *
-gtk_path_walk_new (void)
-{
-  GtkPathWalk *self;
-
-  self = g_object_new (GTK_TYPE_PATH_WALK, NULL);
-
-  return GTK_WIDGET (self);
-}
-
-GtkWidget *
-do_path_walk (GtkWidget *do_widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkBuilder *builder;
-
-      g_type_ensure (GTK_TYPE_PATH_WALK);
-
-      builder = gtk_builder_new_from_resource ("/path_walk/path_walk.ui");
-      window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (do_widget));
-      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
-      g_object_unref (builder);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_window_present (GTK_WINDOW (window));
-  else
-    gtk_window_destroy (GTK_WINDOW (window));
-
-  return window;
-}

demos/gtk-demo/path_walk.ui

@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <object class="GtkWindow" id="window">
-    <property name="title" translatable="yes">World Map</property>
-    <property name="titlebar">
-      <object class="GtkHeaderBar">
-        <child type="end">
-          <object class="GtkSpinButton">
-            <property name="adjustment">
-              <object class="GtkAdjustment" id="adjustment">
-                <property name="lower">0</property>
-                <property name="upper">5000</property>
-                <property name="value">500</property>
-                <property name="step-increment">1</property>
-                <property name="page-increment">10</property>
-              </object>
-            </property>
-          </object>
-        </child>
-      </object>
-    </property>
-    <property name="child">
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkPathWalk" id="view">
-            <property name="n-points" bind-source="adjustment" bind-property="value"/>
-            <property name="hexpand">true</property>
-            <property name="vexpand">true</property>
-          </object>
-        </child>
-      </object>
-    </property>
-  </object>
-</interface>

demos/gtk-demo/pickers.c

@@ -1,9 +1,8 @@
 /* Pickers and Launchers
- * #Keywords: GtkColorDialog, GtkFontDialog, GtkFileDialog, GtkPrintDialog, GtkFileLauncher, GtkUriLauncher
+ * #Keywords: GtkColorDialog, GtkFontDialog, GtkFileDialog, GtkFileLauncher, GtkUriLauncher
  *
  * The dialogs are mainly intended for use in preference dialogs.
- * They allow to select colors, fonts and files. There is also a
- * print dialog.
+ * They allow to select colors, fonts and applications.
  *
  * The launchers let you open files or URIs in applications that
  * can handle them.
@@ -12,13 +11,11 @@
 #include <gtk/gtk.h>
 
 static GtkWidget *app_picker;
-static GtkWidget *print_button;
 
 static void
 set_file (GFile    *file,
           gpointer  data)
 {
-  GFileInfo *info;
   char *name;
 
   if (!file)
@@ -34,13 +31,6 @@ set_file (GFile    *file,
 
   gtk_widget_set_sensitive (app_picker, TRUE);
   g_object_set_data_full (G_OBJECT (app_picker), "file", g_object_ref (file), g_object_unref);
-
-  info = g_file_query_info (file, "standard::content-type", 0, NULL, NULL);
-  if (strcmp (g_file_info_get_content_type (info), "application/pdf") == 0)
-    {
-      gtk_widget_set_sensitive (print_button, TRUE);
-      g_object_set_data_full (G_OBJECT (print_button), "file", g_object_ref (file), g_object_unref);
-    }
 }
 
 static void
@@ -57,10 +47,6 @@ file_opened (GObject *source,
     {
       g_print ("%s\n", error->message);
       g_error_free (error);
-      gtk_widget_set_sensitive (app_picker, FALSE);
-      g_object_set_data (G_OBJECT (app_picker), "file", NULL);
-      gtk_widget_set_sensitive (print_button, FALSE);
-      g_object_set_data (G_OBJECT (print_button), "file", NULL);
     }
 
   set_file (file, data);
@@ -128,53 +114,6 @@ open_app (GtkButton *picker)
   g_object_unref (launcher);
 }
 
-static void
-print_file_done (GObject      *source,
-                 GAsyncResult *result,
-                 gpointer      data)
-{
-  GtkPrintDialog *dialog = GTK_PRINT_DIALOG (source);
-  GError *error = NULL;
-  GCancellable *cancellable;
-  unsigned int id;
-
-  cancellable = g_task_get_cancellable (G_TASK (result));
-  id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (cancellable), "timeout"));
-  if (id)
-    g_source_remove (id);
-
-  if (!gtk_print_dialog_print_file_finish (dialog, result, &error))
-    {
-      g_print ("%s\n", error->message);
-      g_error_free (error);
-    }
-}
-
-static void
-print_file (GtkButton *picker)
-{
-  GtkWindow *parent = GTK_WINDOW (gtk_widget_get_root (GTK_WIDGET (picker)));
-  GtkPrintDialog *dialog;
-  GCancellable *cancellable;
-  GFile *file;
-  unsigned int id;
-
-  file = G_FILE (g_object_get_data (G_OBJECT (picker), "file"));
-  dialog = gtk_print_dialog_new ();
-
-  cancellable = g_cancellable_new ();
-
-  id = g_timeout_add_seconds_full (G_PRIORITY_DEFAULT,
-                                   20,
-                                   abort_mission, g_object_ref (cancellable), g_object_unref);
-  g_object_set_data (G_OBJECT (cancellable), "timeout", GUINT_TO_POINTER (id));
-
-  gtk_print_dialog_print_file (dialog, parent, NULL, file, cancellable, print_file_done, NULL);
-
-  g_object_unref (cancellable);
-  g_object_unref (dialog);
-}
-
 static void
 open_uri_done (GObject      *source,
                GAsyncResult *result,
@@ -295,15 +234,9 @@ do_pickers (GtkWidget *do_widget)
     gtk_widget_set_sensitive (app_picker, FALSE);
     g_signal_connect (app_picker, "clicked", G_CALLBACK (open_app), NULL);
     gtk_box_append (GTK_BOX (picker), app_picker);
-
-    print_button = gtk_button_new_from_icon_name ("printer-symbolic");
-    gtk_widget_set_tooltip_text (print_button, "Print file");
-    gtk_widget_set_sensitive (print_button, FALSE);
-    g_signal_connect (print_button, "clicked", G_CALLBACK (print_file), NULL);
-    gtk_box_append (GTK_BOX (picker), print_button);
-
     gtk_grid_attach (GTK_GRID (table), picker, 1, 2, 1, 1);
 
+
     label = gtk_label_new ("URI:");
     gtk_widget_set_halign (label, GTK_ALIGN_START);
     gtk_widget_set_valign (label, GTK_ALIGN_CENTER);

demos/gtk-demo/puzzlepiece.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __PUZZLE_PIECE_H__
+#define __PUZZLE_PIECE_H__
 
 #include <gtk/gtk.h>
 
@@ -18,3 +19,5 @@ GdkPaintable *  gtk_puzzle_piece_new            (GdkPaintable           *puzzle,
 GdkPaintable *  gtk_puzzle_piece_get_puzzle     (GtkPuzzlePiece         *self);
 guint           gtk_puzzle_piece_get_x          (GtkPuzzlePiece         *self);
 guint           gtk_puzzle_piece_get_y          (GtkPuzzlePiece         *self);
+
+#endif /* __PUZZLE_PIECE_H__ */

demos/gtk-demo/script-names.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef SCRIPT_NAMES_H
+#define SCRIPT_NAMES_H
 
 #include <glib.h>
 
@@ -8,3 +9,5 @@ const char * get_script_name (GUnicodeScript script);
 const char * get_script_name_for_tag (guint32 tag);
 
 G_END_DECLS
+
+#endif

demos/gtk-demo/shadertoy.c

@@ -120,7 +120,7 @@ create_shadertoy_window (GtkWidget *do_widget)
   gtk_box_append (GTK_BOX (box), aspect);
 
   shadertoy = new_shadertoy ("/shadertoy/alienplanet.glsl");
-  gtk_aspect_frame_set_child (GTK_ASPECT_FRAME (aspect), gtk_graphics_offload_new (shadertoy));
+  gtk_aspect_frame_set_child (GTK_ASPECT_FRAME (aspect), shadertoy);
 
   sw = gtk_scrolled_window_new ();
   gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (sw), 250);