text: Don't warn if we blink unfocused

The warning message contains advice that is no longer accurate (it comes from a time before event controllers), and this situation regularly happens in practice, when the focus moves to a child of GtkText such as the menu or the Emoji chooser. Just stop blinking without complaining. Fixes: #2979
Merge branch 'focus-workaround' into 'master'
2020-08-06 17:32:41 -04:00 · 2020-08-06 19:31:24 +00:00 · 2020-08-06 14:35:19 -04:00 · 2020-08-06 14:43:28 +00:00 · 2020-08-06 16:14:10 +02:00 · 2020-08-06 12:35:19 +00:00
1676 changed files with 72482 additions and 100494 deletions
@@ -16,11 +16,11 @@ stages:

 # Common variables
 variables:
-  COMMON_MESON_FLAGS: "--fatal-meson-warnings --werror"
+  COMMON_MESON_FLAGS: "--fatal-meson-warnings -Dgtk:werror=true"
  BACKEND_FLAGS: "-Dx11-backend=true -Dwayland-backend=true -Dbroadway-backend=true -Dvulkan=yes"
  FEATURE_FLAGS: "-Dcloudproviders=true"
  MESON_TEST_TIMEOUT_MULTIPLIER: 3
-  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v20"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v22"
  FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
  DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora-docs:v19"

@@ -68,9 +68,11 @@ style-check-diff:
 fedora-x86_64:
  extends: .build-fedora-default
  stage: build
+  needs: []
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=debug --default-library=both"
  script:
+    - meson subprojects update
    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
            -Dprofiler=true
            _build
@@ -82,14 +84,38 @@ fedora-x86_64:
 release-build:
  extends: .build-fedora-default
  stage: build
+  needs: []
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=release"
  script:
+    - meson subprojects update
    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
            _build
    - ninja -C _build
    - .gitlab-ci/run-tests.sh _build x11

+installed-tests:
+  extends: .build-fedora-default
+  stage: build
+  needs: []
+  variables:
+    EXTRA_MESON_FLAGS: "--prefix=/usr --libdir=/usr/lib64 -Dinstall-tests=true"
+  script:
+    - meson subprojects update
+    - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
+            _build
+    - ninja -C _build
+    - sudo ninja -C _build install
+    - dbus-run-session xvfb-run -a -s "-screen 0 1024x768x24"
+            gnome-desktop-testing-runner
+                   --report-directory=_build/installed-tests-report/failed/
+                   --parallel=0
+                   gtk-4.0
+  artifacts:
+    paths:
+      - "_build/installed-tests-report/"
+
+
 .mingw-defaults:
  stage: build
  tags:
@@ -109,6 +135,7 @@ release-build:

 msys2-mingw64:
  extends: .mingw-defaults
+  needs: []
  variables:
    MSYSTEM: "MINGW64"
    CHERE_INVOKING: "yes"
@@ -139,37 +166,44 @@ msys2-mingw64:

 flatpak-manual:demo:
  extends: .flatpak-manual
+  needs: []
  variables:
    APPID: org.gtk.Demo4

 flatpak-master:demo:
  extends: .flatpak-master
+  needs: []
  variables:
    APPID: org.gtk.Demo4

 flatpak-manual:widget-factory:
  extends: .flatpak-manual
+  needs: []
  variables:
    APPID: org.gtk.WidgetFactory4

 flatpak-master:widget-factory:
  extends: .flatpak-master
+  needs: []
  variables:
    APPID: org.gtk.WidgetFactory4

 flatpak-manual:icon-browser:
  extends: .flatpak-manual
+  needs: []
  variables:
    APPID: org.gtk.IconBrowser4

 flatpak-master:icon-browser:
  extends: .flatpak-master
+  needs: []
  variables:
    APPID: org.gtk.IconBrowser4

 static-scan:
  image: $FEDORA_IMAGE
  stage: analysis
+  needs: []
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=debug"
  script:
@@ -184,8 +218,9 @@ static-scan:
 # since it is incompatible with asan
 asan-build:
  image: $FEDORA_IMAGE
-  tags: [ privileged ]
+  tags: [ asan ]
  stage: analysis
+  needs: []
  variables:
  script:
    - CC=clang meson --buildtype=debugoptimized -Db_sanitize=address -Db_lundef=false -Dintrospection=false _build
@@ -199,6 +234,7 @@ asan-build:
 reference:
  image: $DOCS_IMAGE
  stage: docs
+  needs: []
  variables:
    EXTRA_MESON_FLAGS: "--buildtype=release"
  script:
@@ -214,6 +250,7 @@ reference:

 pages:
  stage: deploy
+  needs: ['reference']
  script:
    - mv _reference/ public/
  artifacts:
@@ -29,6 +29,7 @@ RUN dnf -y install \
    glib2-static \
    glibc-devel \
    glibc-headers \
+    gnome-desktop-testing \
    gobject-introspection-devel \
    graphene-devel \
    gstreamer1-devel \
@@ -75,7 +76,6 @@ RUN dnf -y install \
    python3-wheel \
    redhat-rpm-config \
    sassc \
-    sysprof-devel \
    systemtap-sdt-devel \
    vulkan-devel \
    wayland-devel \
@@ -1,8 +1,11 @@
-FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v20
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v21
+
+# Enable sudo for wheel users
+RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers

 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
-RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+RUN useradd -u $HOST_USER_ID -G wheel -ms /bin/bash user

 USER user
 WORKDIR /home/user
@@ -12,13 +12,12 @@ export LSAN_OPTIONS=suppressions=$srcdir/lsan.supp

 case "${backend}" in
  x11)
-    xvfb-run -a -s "-screen 0 1024x768x24" \
+    xvfb-run -a -s "-screen 0 1024x768x24 -noreset" \
          meson test -C ${builddir} \
                --timeout-multiplier "${MESON_TEST_TIMEOUT_MULTIPLIER}" \
                --print-errorlogs \
                --setup=${backend} \
                --suite=gtk \
-                --no-suite=gtk:a11y \
                --no-suite=gsk-compare-broadway

    # Store the exit code for the CI run, but always
@@ -38,7 +37,6 @@ case "${backend}" in
                --print-errorlogs \
                --setup=${backend} \
                --suite=gtk \
-                --no-suite=gtk:a11y \
                --no-suite=gsk-compare-broadway

    exit_code=$?
@@ -57,7 +55,6 @@ case "${backend}" in
                --print-errorlogs \
                --setup=${backend} \
                --suite=gtk \
-                --no-suite=gtk:a11y \
                --no-suite=gsk-compare-opengl

    # don't let Broadway failures fail the run, for now
@@ -33,17 +33,29 @@ pacman --noconfirm -S --needed \
    mingw-w64-$MSYS2_ARCH-gst-plugins-bad \
    mingw-w64-$MSYS2_ARCH-shared-mime-info

-# https://gitlab.gnome.org/GNOME/gtk/issues/2243
-wget "https://gitlab.gnome.org/creiter/gitlab-ci-win32-runner-v2/raw/master/pango/mingw-w64-$MSYS2_ARCH-pango-git-1.44.7.90.ge48ae523-1-any.pkg.tar.zst"
-pacman --noconfirm -U "mingw-w64-$MSYS2_ARCH-pango-git-1.44.7.90.ge48ae523-1-any.pkg.tar.zst"
-
-# https://github.com/msys2/MINGW-packages/pull/6465
-pacman --noconfirm -S --needed mingw-w64-$MSYS2_ARCH-brotli
-
 mkdir -p _ccache
 export CCACHE_BASEDIR="$(pwd)"
 export CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"

+# https://gitlab.gnome.org/GNOME/gtk/-/issues/2243
+# https://gitlab.gnome.org/GNOME/gtk/-/issues/3002
+
+if ! pkg-config --atleast-version=2.65.0 glib-2.0; then
+    git clone https://gitlab.gnome.org/GNOME/glib.git _glib
+    meson setup _glib_build _glib
+    meson compile -C _glib_build
+    meson install -C _glib_build
+fi
+pkg-config --modversion glib-2.0
+
+if ! pkg-config --atleast-version=1.45.4 pango; then
+    git clone https://gitlab.gnome.org/GNOME/pango.git _pango
+    meson setup _pango_build _pango
+    meson compile -C _pango_build
+    meson install -C _pango_build
+fi
+pkg-config --modversion pango
+
 # Build
 ccache --zero-stats
 ccache --show-stats
@@ -56,7 +68,7 @@ meson \
    -Dwin32-backend=true \
    -Dvulkan=no \
    -Dintrospection=false \
-    --werror \
+    -Dgtk:werror=true \
    _build
 unset CCACHE_DISABLE

@@ -1,7 +1,54 @@
+Overview of Changes in GTK 3.99.1
+=================================
+
+* GtkGridLayout: Rename left-/top-attach to column/row
+
+* Drop GtkAccelLabel - it is no longer used
+
+* GtkTextView:
+ - Fix redraw issues with selections
+ - Make insert-emoji replace the selection
+
+* GtkTreeView:
+ - Fix selection handling in cell editables
+
+* CSS:
+ - Hexadecimal colors can now specify alpha
+
+* Documentation:
+ - Refresh the widget gallery
+ - Add images for new widgets to the gallery
+ - Fix many cross-references
+
+* Demos:
+ - Numerous crash- and bug fixes
+
+* Fix build with cups < 2.3
+
+* win32:
+ - Default to the GL renderer when we can
+
+* Translation updates:
+  Catalan
+  Polish
+  Romanian
+  Spanish
+  Ukrainian
+
+
 Overview of Changes in GTK 3.99.0
 =================================

-* Add GtkEditableLabel
+* Remove the old accessibility implementation and
+  add the foundations for a new one that is based
+  on ARIA. The relevant widget api is GtkAccessible,
+  the backend implementations will use GtkATContext.
+  Currently, there is just a nascent test backend.
+
+* Update the GTK headers to use char *, int, float and
+  double instead of the corresponding GLib types.
+
+* Add GtkEditableLabel, a label that can be edited

 * Add GtkBookmarkList, a list model for bookmarks

@@ -30,8 +77,20 @@ Overview of Changes in GTK 3.99.0
 - Improve scrolling behavior
 - Autoscroll and autoexpand during DND

+* GtkScrolledWindow:
+ - Make autoscrolling work again
+
 * GtkFilterListModel:
 - Add incremental filtering
+ - Add a boolean filter, GtkBoolFilter
+
+* GtkSortListModel:
+ - Use timsort
+ - Add various tweaks that massively speed up sorting
+ - Add incremental sorting
+
+* GtkWidget:
+ - Massively speed up action handling

 * GtkEntry:
 - Make entry completion work again
@@ -40,20 +99,29 @@ Overview of Changes in GTK 3.99.0
 * Inspector:
 - Improve list model support
 - Add direct navigation between objects
+ - Show accessibility information

 * GDK:
 - Compress scroll events
 - Keep a scroll history
 - Clean up GdkDevice api
+ - Drop the master/slave device split
+ - Move axes to GdkDeviceTool
+ - Change monitor workarea to be per-backend API
 - Improve frame clock accuracy
+ - Add a new macOS backend
+ - Add an ANGLE-based GLES renderer for Windows

 * GSK:
- - Use gL_ARB_framebuffer_object
+ - Use GL_ARB_framebuffer_object

 * gtk-demo:
 - Add incremental refill to the color grid
 - Improve performance of the color grid
 - Add an incrementally filtering word list
+ - Improve the sidebar
+
+* Install print-editor as another demo

 * Translation updates
 Basque
@@ -56,7 +56,6 @@ building for:
  - [Pango](https://download.gnome.org/sources/pango)
  - [Epoxy](https://github.com/anholt/libepoxy)
  - [Graphene](https://github.com/ebassi/graphene)
-  - [ATK](https://download.gnome.org/sources/atk)
  - [Xkb-common](https://github.com/xkbcommon/libxkbcommon)

 If you are building the X11 backend, you will also need:
@@ -70,7 +69,6 @@ If you are building the X11 backend, you will also need:
    - xcursor
    - xdamage
    - xcomposite
-  - [atk-bridge-2.0](https://download.gnome.org/sources/at-spi2-atk)

 If you are building the Wayland backend, you will also need:

@@ -1,29 +1,38 @@
 {
-    "app-id": "org.gtk.WidgetFactory4",
-    "runtime": "org.gnome.Platform",
-    "runtime-version": "master",
-    "sdk": "org.gnome.Sdk",
-    "command": "gtk4-widget-factory",
-    "tags": ["devel", "development", "nightly"],
-    "desktop-file-name-prefix": "(Development) ",
-    "finish-args": [
+    "app-id" : "org.gtk.WidgetFactory4",
+    "runtime" : "org.gnome.Platform",
+    "runtime-version" : "master",
+    "sdk" : "org.gnome.Sdk",
+    "command" : "gtk4-widget-factory",
+    "tags" : [
+        "devel",
+        "development",
+        "nightly"
+    ],
+    "desktop-file-name-prefix" : "(Development) ",
+    "finish-args" : [
        "--device=dri",
        "--share=ipc",
        "--socket=fallback-x11",
        "--socket=wayland",
-        "--talk-name=org.gtk.vfs", "--talk-name=org.gtk.vfs.*"
+        "--talk-name=org.gtk.vfs",
+        "--talk-name=org.gtk.vfs.*"
    ],
-    "cleanup": [
+    "cleanup" : [
        "/include",
-        "/lib/pkgconfig", "/share/pkgconfig",
+        "/lib/pkgconfig",
+        "/share/pkgconfig",
        "/share/aclocal",
-        "/man", "/share/man", "/share/gtk-doc",
-        "*.la", ".a",
+        "/man",
+        "/share/man",
+        "/share/gtk-doc",
+        "*.la",
+        ".a",
        "/lib/girepository-1.0",
        "/share/gir-1.0",
        "/share/doc"
    ],
-    "modules": [
+    "modules" : [
        {
            "name" : "wayland",
            "buildsystem" : "autotools",
@@ -39,18 +48,18 @@
            ]
        },
        {
-            "name": "graphene",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
+            "name" : "graphene",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
                "--libdir=/app/lib",
                "-Dtests=false",
                "-Dbenchmarks=false"
            ],
-            "sources": [
+            "sources" : [
                {
-                    "type": "git",
-                    "url": "https://github.com/ebassi/graphene.git"
+                    "type" : "git",
+                    "url" : "https://github.com/ebassi/graphene.git"
                }
            ]
        },
@@ -58,7 +67,7 @@
            "name" : "libsass",
            "buildsystem" : "meson",
            "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                "--libdir=/app/lib"
            ],
            "sources" : [
@@ -73,7 +82,7 @@
            "name" : "sassc",
            "buildsystem" : "meson",
            "builddir" : true,
-            "config-opts": [
+            "config-opts" : [
                "--libdir=/app/lib"
            ],
            "sources" : [
@@ -85,18 +94,23 @@
            ]
        },
        {
-            "name": "gtk",
-            "buildsystem": "meson",
-            "builddir": true,
-            "config-opts": [
+            "name" : "gtk",
+            "buildsystem" : "meson",
+            "builddir" : true,
+            "config-opts" : [
                "--libdir=/app/lib"
            ],
-            "sources": [
+            "sources" : [
                {
-                    "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/gtk.git"
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git"
                }
            ]
        }
-    ]
+    ],
+    "build-options" : {
+        "env" : {
+            "DBUS_SESSION_BUS_ADDRESS" : "''"
+        }
+    }
 }
@@ -81,11 +81,11 @@ constraint_editor_application_activate (GApplication *app)
 static void
 constraint_editor_application_open (GApplication  *app,
                                    GFile        **files,
-                                    gint           n_files,
-                                    const gchar   *hint)
+                                    int            n_files,
+                                    const char    *hint)
 {
  ConstraintEditorWindow *win;
-  gint i;
+  int i;

  for (i = 0; i < n_files; i++)
    {
@@ -193,7 +193,7 @@ constraint_editor_window_load (ConstraintEditorWindow *self,

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

 static void
 save_response_cb (GtkNativeDialog        *dialog,
-                  gint                    response,
+                  int                     response,
                  ConstraintEditorWindow *self)
 {
  gtk_native_dialog_hide (dialog);
@@ -13,8 +13,8 @@
          <object class="GtkLabel">
            <property name="label">Target</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -23,8 +23,8 @@
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <signal name="changed" handler="update_button" swapped="yes"/>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -32,8 +32,8 @@
          <object class="GtkComboBoxText" id="target_attr">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -41,8 +41,8 @@
          <object class="GtkLabel">
            <property name="label">Relation</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -50,8 +50,8 @@
          <object class="GtkComboBoxText" id="relation">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -59,8 +59,8 @@
          <object class="GtkLabel">
            <property name="label">Source</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -69,8 +69,8 @@
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <signal name="changed" handler="update_button" swapped="yes"/>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -79,8 +79,8 @@
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <signal name="changed" handler="source_attr_changed" swapped="yes"/>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -88,8 +88,8 @@
          <object class="GtkLabel">
            <property name="label">Multiplier</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
+              <property name="column">0</property>
+              <property name="row">4</property>
            </layout>
          </object>
        </child>
@@ -97,8 +97,8 @@
          <object class="GtkEntry" id="multiplier">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
            </layout>
          </object>
        </child>
@@ -106,8 +106,8 @@
          <object class="GtkLabel">
            <property name="label">Constant</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">5</property>
+              <property name="column">0</property>
+              <property name="row">5</property>
            </layout>
          </object>
        </child>
@@ -115,8 +115,8 @@
          <object class="GtkEntry" id="constant">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">5</property>
+              <property name="column">1</property>
+              <property name="row">5</property>
            </layout>
          </object>
        </child>
@@ -124,16 +124,16 @@
          <object class="GtkLabel">
            <property name="label">Strength</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">6</property>
+              <property name="column">0</property>
+              <property name="row">6</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkComboBoxText" id="strength">
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">6</property>
+              <property name="column">1</property>
+              <property name="row">6</property>
            </layout>
          </object>
        </child>
@@ -141,8 +141,8 @@
          <object class="GtkLabel" id="preview">
            <property name="xalign">0</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">7</property>
+              <property name="column">1</property>
+              <property name="row">7</property>
              <property name="column-span">2</property>
            </layout>
            <attributes>
@@ -155,8 +155,8 @@
            <property name="label">Create</property>
            <signal name="clicked" handler="create_constraint"/>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">8</property>
+              <property name="column">2</property>
+              <property name="row">8</property>
            </layout>
          </object>
        </child>
@@ -174,28 +174,25 @@ constraint_view_init (ConstraintView *self)
  manager = gtk_constraint_layout_new ();
  gtk_widget_set_layout_manager (GTK_WIDGET (self), manager);

-  all_children = gtk_widget_observe_children (GTK_WIDGET (self));
-  all_constraints = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (manager));
  guides = gtk_constraint_layout_observe_guides (GTK_CONSTRAINT_LAYOUT (manager));
+
+  all_constraints = gtk_constraint_layout_observe_constraints (GTK_CONSTRAINT_LAYOUT (manager));
  filter = gtk_custom_filter_new (omit_internal, NULL, NULL);
  constraints = (GListModel *)gtk_filter_list_model_new (all_constraints, filter);
-  g_object_unref (filter);
+
+  all_children = gtk_widget_observe_children (GTK_WIDGET (self));
  filter = gtk_custom_filter_new (omit_internal, NULL, NULL);
  children = (GListModel *)gtk_filter_list_model_new (all_children, filter);
-  g_object_unref (filter);

  list = g_list_store_new (G_TYPE_LIST_MODEL);
  g_list_store_append (list, children);
  g_list_store_append (list, guides);
  g_list_store_append (list, constraints);
-  self->model = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (list)));
  g_object_unref (children);
  g_object_unref (guides);
  g_object_unref (constraints);
-  g_object_unref (all_children);
-  g_object_unref (all_constraints);
-  g_object_unref (list);

+  self->model = G_LIST_MODEL (gtk_flatten_list_model_new (G_LIST_MODEL (list)));

  controller = (GtkEventController *)gtk_gesture_drag_new ();
  g_signal_connect (controller, "drag-begin", G_CALLBACK (drag_begin), self);
@@ -55,8 +55,8 @@
          <object class="GtkLabel">
            <property name="label">Name</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -64,8 +64,8 @@
          <object class="GtkEntry" id="name">
            <property name="max-width-chars">20</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -74,8 +74,8 @@
          <object class="GtkLabel">
            <property name="label">Min Size</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -84,8 +84,8 @@
            <property name="adjustment">min_width_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -94,8 +94,8 @@
            <property name="adjustment">min_height_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -103,8 +103,8 @@
          <object class="GtkLabel">
            <property name="label">Nat Size</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -113,8 +113,8 @@
            <property name="adjustment">nat_width_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -123,8 +123,8 @@
            <property name="adjustment">nat_height_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">2</property>
+              <property name="column">2</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -132,8 +132,8 @@
          <object class="GtkLabel">
            <property name="label">Max Size</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -142,8 +142,8 @@
            <property name="adjustment">max_width_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -152,8 +152,8 @@
            <property name="adjustment">max_height_adj</property>
            <property name="max-width-chars">5</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -161,16 +161,16 @@
          <object class="GtkLabel">
            <property name="label">Strength</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
+              <property name="column">0</property>
+              <property name="row">4</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkComboBoxText" id="strength">
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -180,8 +180,8 @@
            <property name="label">Create</property>
            <signal name="clicked" handler="create_guide"/>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">5</property>
+              <property name="column">2</property>
+              <property name="row">5</property>
            </layout>
          </object>
        </child>
@@ -34,7 +34,7 @@ static void create_window (GApplication *app, const char *contents);
 static void
 show_action_dialog (GSimpleAction *action)
 {
-  const gchar *name;
+  const char *name;
  GtkWidget *dialog;

  name = g_action_get_name (G_ACTION (action));
@@ -58,9 +58,9 @@ show_action_infobar (GSimpleAction *action,
                     gpointer       data)
 {
  DemoApplicationWindow *window = data;
-  gchar *text;
-  const gchar *name;
-  const gchar *value;
+  char *text;
+  const char *name;
+  const char *value;

  name = g_action_get_name (G_ACTION (action));
  value = g_variant_get_string (parameter, NULL);
@@ -92,7 +92,7 @@ activate_new (GSimpleAction *action,

 static void
 open_response_cb (GtkNativeDialog *dialog,
-                  gint             response_id,
+                  int              response_id,
                  gpointer         user_data)
 {
  GtkFileChooserNative *native = user_data;
@@ -185,7 +185,7 @@ activate_about (GSimpleAction *action,
 {
  GtkWidget *window = user_data;

-  const gchar *authors[] = {
+  const char *authors[] = {
    "Peter Mattis",
    "Spencer Kimball",
    "Josh MacDonald",
@@ -193,7 +193,7 @@ activate_about (GSimpleAction *action,
    NULL
  };

-  const gchar *documentors[] = {
+  const char *documentors[] = {
    "Owen Taylor",
    "Tony Gale",
    "Matthias Clasen <mclasen@redhat.com>",
@@ -244,9 +244,9 @@ static void
 update_statusbar (GtkTextBuffer         *buffer,
                  DemoApplicationWindow *window)
 {
-  gchar *msg;
-  gint row, col;
-  gint count;
+  char *msg;
+  int row, col;
+  int count;
  GtkTextIter iter;

  /* clear any previous message, underflow is allowed */
@@ -31,8 +31,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -54,8 +54,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -70,8 +70,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -79,8 +79,8 @@
          <object class="GtkStatusbar" id="status">
            <property name="hexpand">1</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -16,8 +16,8 @@ static GtkWidget *placeholder;

 static void
 on_name_appeared (GDBusConnection *connection,
-                  const gchar     *name,
-                  const gchar     *name_owner,
+                  const char      *name,
+                  const char      *name_owner,
                  gpointer         user_data)
 {
  name_seen = TRUE;
@@ -25,7 +25,7 @@ on_name_appeared (GDBusConnection *connection,

 static void
 on_name_vanished (GDBusConnection *connection,
-                  const gchar     *name,
+                  const char      *name,
                  gpointer         user_data)
 {
  if (!name_seen)
@@ -55,7 +55,7 @@ do_application_demo (GtkWidget *toplevel)

  if (placeholder == NULL)
    {
-      const gchar *command;
+      const char *command;
      GError *error = NULL;

      if (g_file_test ("./gtk4-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))
@@ -12,7 +12,7 @@ static GtkWidget *progress_bar = NULL;
 static gboolean
 apply_changes_gradually (gpointer data)
 {
-  gdouble fraction;
+  double fraction;

  /* Work, work, work... */
  fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress_bar));
@@ -47,8 +47,8 @@ on_assistant_close_cancel (GtkWidget *widget, gpointer data)
 static void
 on_assistant_prepare (GtkWidget *widget, GtkWidget *page, gpointer data)
 {
-  gint current_page, n_pages;
-  gchar *title;
+  int current_page, n_pages;
+  char *title;

  current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (widget));
  n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (widget));
@@ -70,8 +70,8 @@ on_entry_changed (GtkWidget *widget, gpointer data)
 {
  GtkAssistant *assistant = GTK_ASSISTANT (data);
  GtkWidget *current_page;
-  gint page_number;
-  const gchar *text;
+  int page_number;
+  const char *text;

  page_number = gtk_assistant_get_current_page (assistant);
  current_page = gtk_assistant_get_nth_page (assistant, page_number);
@@ -18,8 +18,8 @@
              <class name="dim-label"/>
            </style>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -29,8 +29,8 @@
            <property name="has-frame">1</property>
            <property name="min-content-width">150</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -40,8 +40,8 @@
            <property name="hexpand">1</property>
            <property name="stack">stack</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -67,8 +67,8 @@
                      <object class="GtkLabel">
                        <property name="label" translatable="yes">Duck</property>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -76,8 +76,8 @@
                      <object class="GtkLabel">
                        <property name="label" translatable="yes">Background</property>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -87,8 +87,8 @@
                          <class name="duck"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -98,8 +98,8 @@
                          <class name="gradient"/>
                        </style>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -108,8 +108,8 @@
                        <property name="label" translatable="yes">
 Blended picture</property>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                          <property name="column-span">2</property>
                        </layout>
                      </object>
@@ -121,8 +121,8 @@ Blended picture</property>
                          <class name="blend0"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                          <property name="column-span">2</property>
                        </layout>
                      </object>
@@ -146,8 +146,8 @@ Blended picture</property>
                      <object class="GtkLabel">
                        <property name="label" translatable="yes">Red</property>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -155,8 +155,8 @@ Blended picture</property>
                      <object class="GtkLabel">
                        <property name="label" translatable="yes">Blue</property>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -166,8 +166,8 @@ Blended picture</property>
                          <class name="red"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -177,8 +177,8 @@ Blended picture</property>
                          <class name="blue"/>
                        </style>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -187,8 +187,8 @@ Blended picture</property>
                        <property name="label" translatable="yes">
 Blended picture</property>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                          <property name="column-span">2</property>
                        </layout>
                      </object>
@@ -200,8 +200,8 @@ Blended picture</property>
                          <class name="blend1"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                          <property name="column-span">2</property>
                        </layout>
                      </object>
@@ -228,8 +228,8 @@ Blended picture</property>
                          <class name="cyan"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">0</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -239,8 +239,8 @@ Blended picture</property>
                          <class name="magenta"/>
                        </style>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">1</property>
+                          <property name="column">1</property>
+                          <property name="row">1</property>
                        </layout>
                      </object>
                    </child>
@@ -250,8 +250,8 @@ Blended picture</property>
                          <class name="yellow"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">0</property>
+                          <property name="row">3</property>
                        </layout>
                      </object>
                    </child>
@@ -262,8 +262,8 @@ Blended picture</property>
                          <class name="blend2"/>
                        </style>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">3</property>
+                          <property name="column">1</property>
+                          <property name="row">3</property>
                        </layout>
                      </object>
                    </child>
@@ -275,8 +275,8 @@ Blended picture</property>
                          <class name="dim-label"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">0</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -288,8 +288,8 @@ Blended picture</property>
                          <class name="dim-label"/>
                        </style>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">0</property>
+                          <property name="column">1</property>
+                          <property name="row">0</property>
                        </layout>
                      </object>
                    </child>
@@ -301,8 +301,8 @@ Blended picture</property>
                          <class name="dim-label"/>
                        </style>
                        <layout>
-                          <property name="left-attach">0</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">0</property>
+                          <property name="row">2</property>
                        </layout>
                      </object>
                    </child>
@@ -314,8 +314,8 @@ Blended picture</property>
                          <attribute name="weight" value="bold"></attribute>
                        </attributes>
                        <layout>
-                          <property name="left-attach">1</property>
-                          <property name="top-attach">2</property>
+                          <property name="column">1</property>
+                          <property name="row">2</property>
                        </layout>
                      </object>
                    </child>
@@ -324,8 +324,8 @@ Blended picture</property>
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -38,7 +38,7 @@ create_icon_store (void)

  GtkTreeIter iter;
  GtkListStore *store;
-  gint i;
+  int i;

  store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);

@@ -77,7 +77,7 @@ set_sensitive (GtkCellLayout   *cell_layout,
               gpointer         data)
 {
  GtkTreePath *path;
-  gint *indices;
+  int *indices;
  gboolean sensitive;

  path = gtk_tree_model_get_path (tree_model, iter);
@@ -175,7 +175,7 @@ create_capital_store (void)

  GtkTreeIter iter, iter2;
  GtkTreeStore *store;
-  gint i;
+  int i;

  store = gtk_tree_store_new (1, G_TYPE_STRING);

@@ -38,14 +38,14 @@ struct {
 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 static void
 update_css_for_blend_mode (GtkCssProvider *provider,
-                           const gchar    *blend_mode)
+                           const char     *blend_mode)
 {
  GBytes *bytes;
-  gchar *css;
+  char *css;

  bytes = g_resources_lookup_data ("/css_blendmodes/css_blendmodes.css", 0, NULL);

-  css = g_strdup_printf ((gchar*) g_bytes_get_data (bytes, NULL),
+  css = g_strdup_printf ((char *) g_bytes_get_data (bytes, NULL),
                         blend_mode,
                         blend_mode,
                         blend_mode);
@@ -62,7 +62,7 @@ row_activated (GtkListBox     *listbox,
               GtkListBoxRow  *row,
               GtkCssProvider *provider)
 {
-  const gchar *blend_mode;
+  const char *blend_mode;

  blend_mode = blend_modes[gtk_list_box_row_get_index (row)].id;

@@ -75,7 +75,7 @@ setup_listbox (GtkBuilder       *builder,
 {
  GtkWidget *normal_row;
  GtkWidget *listbox;
-  gint i;
+  int i;

  normal_row = NULL;
  listbox = gtk_list_box_new ();
@@ -95,9 +95,6 @@
    <property name="program-name" translatable="yes">Builder demo</property>
    <property name="logo-icon-name" translatable="yes">gtk3-demo</property>
    <property name="modal">True</property>
-    <accessibility>
-      <relation target="window1" type="subwindow-of"/>
-    </accessibility>
  </object>
  <object class="GtkWindow" id="window1">
    <property name="default-height">250</property>
@@ -113,11 +110,6 @@
        </child>
        <child>
          <object class="GtkBox" id="toolbar1">
-            <child internal-child="accessible">
-              <object class="AtkObject" id="a11y-toolbar">
-                <property name="AtkObject::accessible-name">The toolbar</property>
-              </object>
-            </child>
            <child>
              <object class="GtkButton">
                <property name="label" translatable="yes">New</property>
@@ -174,14 +166,6 @@
              <object class="GtkTreeView" id="treeview1">
                <property name="model">liststore1</property>
                <property name="tooltip-column">3</property>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="a11y-treeview">
-                    <property name="AtkObject::accessible-name">Name list</property>
-                    <property name="AtkObject::accessible-description">
-                                    A list of person with name, surname and age columns
-                                  </property>
-                  </object>
-                </child>
                <child>
                  <object class="GtkTreeViewColumn" id="column1">
                    <property name="title">Name</property>
@@ -17,7 +17,7 @@ G_DEFINE_TYPE(DemoImage, demo_image, GTK_TYPE_WIDGET)
 static GdkPaintable *
 get_image_paintable (GtkImage *image)
 {
-  const gchar *icon_name;
+  const char *icon_name;
  GtkIconTheme *icon_theme;
  GtkIconPaintable *icon;

@@ -23,14 +23,12 @@
 #include "demotaggedentry.h"

 #include <gtk/gtk.h>
-#include <gtk/gtk-a11y.h>

 struct _DemoTaggedEntry
 {
  GtkWidget parent_instance;

-  GtkWidget *box;
-  GtkWidget *entry;
+  GtkWidget *text;
 };

 struct _DemoTaggedEntryClass
@@ -46,15 +44,10 @@ G_DEFINE_TYPE_WITH_CODE (DemoTaggedEntry, demo_tagged_entry, GTK_TYPE_WIDGET,
 static void
 demo_tagged_entry_init (DemoTaggedEntry *entry)
 {
-  entry->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-  gtk_widget_set_parent (entry->box, GTK_WIDGET (entry));
-
-  entry->entry = gtk_text_new ();
-  gtk_widget_set_hexpand (entry->entry, TRUE);
-  gtk_widget_set_vexpand (entry->entry, TRUE);
-  gtk_widget_set_hexpand (entry->box, FALSE);
-  gtk_widget_set_vexpand (entry->box, FALSE);
-  gtk_box_append (GTK_BOX (entry->box), entry->entry);
+  entry->text = gtk_text_new ();
+  gtk_widget_set_hexpand (entry->text, TRUE);
+  gtk_widget_set_vexpand (entry->text, TRUE);
+  gtk_widget_set_parent (entry->text, GTK_WIDGET (entry));
  gtk_editable_init_delegate (GTK_EDITABLE (entry));
 }

@@ -62,12 +55,15 @@ static void
 demo_tagged_entry_dispose (GObject *object)
 {
  DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (object);
+  GtkWidget *child;

-  if (entry->entry)
+  if (entry->text)
    gtk_editable_finish_delegate (GTK_EDITABLE (entry));

-  g_clear_pointer (&entry->entry, gtk_widget_unparent);
-  g_clear_pointer (&entry->box, gtk_widget_unparent);
+  while ((child = gtk_widget_get_first_child (GTK_WIDGET (entry))))
+    gtk_widget_unparent (child);
+
+  entry->text = NULL;

  G_OBJECT_CLASS (demo_tagged_entry_parent_class)->dispose (object);
 }
@@ -101,7 +97,7 @@ demo_tagged_entry_grab_focus (GtkWidget *widget)
 {
  DemoTaggedEntry *entry = DEMO_TAGGED_ENTRY (widget);

-  return gtk_widget_grab_focus (entry->entry);
+  return gtk_widget_grab_focus (entry->text);
 }

 static void
@@ -118,15 +114,14 @@ demo_tagged_entry_class_init (DemoTaggedEntryClass *klass)

  gtk_editable_install_properties (object_class, 1);

-  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
-  gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_ENTRY_ACCESSIBLE);
+  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
  gtk_widget_class_set_css_name (widget_class, "entry");
 }

 static GtkEditable *
 demo_tagged_entry_get_delegate (GtkEditable *editable)
 {
-  return GTK_EDITABLE (DEMO_TAGGED_ENTRY (editable)->entry);
+  return GTK_EDITABLE (DEMO_TAGGED_ENTRY (editable)->text);
 }

 static void
@@ -147,7 +142,7 @@ demo_tagged_entry_add_tag (DemoTaggedEntry *entry,
 {
  g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));

-  gtk_box_append (GTK_BOX (entry->box), tag);
+  gtk_widget_set_parent (tag, GTK_WIDGET (entry));
 }

 void
@@ -157,10 +152,7 @@ demo_tagged_entry_insert_tag_after (DemoTaggedEntry *entry,
 {
  g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));

-  if (sibling == NULL)
-    gtk_box_append (GTK_BOX (entry->box), tag);
-  else
-    gtk_box_insert_child_after (GTK_BOX (entry->box), tag, sibling);
+  gtk_widget_insert_after (tag, GTK_WIDGET (entry), sibling);
 }

 void
@@ -169,7 +161,7 @@ demo_tagged_entry_remove_tag (DemoTaggedEntry *entry,
 {
  g_return_if_fail (DEMO_IS_TAGGED_ENTRY (entry));

-  gtk_box_remove (GTK_BOX (entry->box), tag);
+  gtk_widget_unparent (tag);
 }

 struct _DemoTaggedEntryTag
@@ -16,7 +16,7 @@ message_dialog_clicked (GtkButton *button,
                        gpointer   user_data)
 {
  GtkWidget *dialog;
-  static gint i = 1;
+  static int i = 1;

  dialog = gtk_message_dialog_new (GTK_WINDOW (window),
                                   GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
@@ -597,6 +597,83 @@ css_button_new (const char *class)
  return button;
 }

+typedef struct
+{
+  GtkWidget parent_instance;
+  GdkRGBA color;
+} ColorSwatch;
+
+typedef struct
+{
+  GtkWidgetClass parent_class;
+} ColorSwatchClass;
+
+G_DEFINE_TYPE (ColorSwatch, color_swatch, GTK_TYPE_WIDGET)
+
+static GdkContentProvider *
+color_swatch_drag_prepare (GtkDragSource  *source,
+                           double          x,
+                           double          y,
+                           ColorSwatch    *swatch)
+{
+  return gdk_content_provider_new_typed (GDK_TYPE_RGBA, &swatch->color);
+}
+
+static void
+color_swatch_init (ColorSwatch *swatch)
+{
+  GtkDragSource *source = gtk_drag_source_new ();
+  g_signal_connect (source, "prepare", G_CALLBACK (color_swatch_drag_prepare), swatch);
+  gtk_widget_add_controller (GTK_WIDGET (swatch), GTK_EVENT_CONTROLLER (source));
+}
+
+static void
+color_swatch_snapshot (GtkWidget   *widget,
+                       GtkSnapshot *snapshot)
+{
+  ColorSwatch *swatch = (ColorSwatch *)widget;
+  float w = gtk_widget_get_width (widget);
+  float h = gtk_widget_get_height (widget);
+
+  gtk_snapshot_append_color (snapshot, &swatch->color,
+                             &GRAPHENE_RECT_INIT(0, 0, w, h));
+}
+
+void
+color_swatch_measure (GtkWidget      *widget,
+                      GtkOrientation  orientation,
+                      int             for_size,
+                      int            *minimum_size,
+                      int            *natural_size,
+                      int            *minimum_baseline,
+                      int            *natural_baseline)
+{
+  if (orientation == GTK_ORIENTATION_HORIZONTAL)
+    *minimum_size = *natural_size = 48;
+  else
+    *minimum_size = *natural_size = 32;
+}
+
+static void
+color_swatch_class_init (ColorSwatchClass *class)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  widget_class->snapshot = color_swatch_snapshot;
+  widget_class->measure = color_swatch_measure;
+  gtk_widget_class_set_css_name (widget_class, "colorswatch");
+}
+
+static GtkWidget *
+color_swatch_new (const char *color)
+{
+  ColorSwatch *swatch = g_object_new (color_swatch_get_type (), NULL);
+
+  gdk_rgba_parse (&swatch->color, color);
+
+  return GTK_WIDGET (swatch);
+}
+
 static GtkWidget *window = NULL;

 GtkWidget *
@@ -670,18 +747,7 @@ do_dnd (GtkWidget *do_widget)
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), box3);

      for (i = 0; colors[i]; i++)
-        {
-          GdkRGBA rgba;
-          GtkWidget *swatch;
-
-          gdk_rgba_parse (&rgba, colors[i]);
-
-          swatch = g_object_new (g_type_from_name ("GtkColorSwatch"),
-                                 "rgba", &rgba,
-                                 "selectable", FALSE,
-                                 NULL);
-          gtk_box_append (GTK_BOX (box3), swatch);
-        }
+        gtk_box_append (GTK_BOX (box3), color_swatch_new (colors[i]));

      gtk_box_append (GTK_BOX (box3), css_button_new ("rainbow1"));
      gtk_box_append (GTK_BOX (box3), css_button_new ("rainbow2"));
@@ -64,8 +64,8 @@ scribble_draw (GtkDrawingArea *da,
 /* Draw a rectangle on the screen */
 static void
 draw_brush (GtkWidget *widget,
-            gdouble    x,
-            gdouble    y)
+            double     x,
+            double     y)
 {
  GdkRectangle update_rect;
  cairo_t *cr;
@@ -254,7 +254,7 @@ do_dropdown (GtkWidget *do_widget)
      gtk_widget_set_margin_bottom (box, 10);
      gtk_window_set_child (GTK_WINDOW (window), box);

-      button = gtk_drop_down_new ();
+      button = gtk_drop_down_new (NULL, NULL);

      model = G_LIST_MODEL (pango_cairo_font_map_get_default ());
      gtk_drop_down_set_model (GTK_DROP_DOWN (button), model);
@@ -16,9 +16,9 @@

 typedef struct
 {
-  gint   number;
-  gchar *product;
-  gint   yummy;
+  int    number;
+  char *product;
+  int    yummy;
 }
 Item;

@@ -74,7 +74,7 @@ add_items (void)
 static GtkTreeModel *
 create_items_model (void)
 {
-  gint i = 0;
+  int i = 0;
  GtkListStore *model;
  GtkTreeIter iter;

@@ -109,7 +109,7 @@ static GtkTreeModel *
 create_numbers_model (void)
 {
 #define N_NUMBERS 10
-  gint i = 0;
+  int i = 0;
  GtkListStore *model;
  GtkTreeIter iter;

@@ -192,7 +192,7 @@ remove_item (GtkWidget *widget, gpointer data)

  if (gtk_tree_selection_get_selected (selection, NULL, &iter))
    {
-      gint i;
+      int i;
      GtkTreePath *path;

      path = gtk_tree_model_get_path (model, &iter);
@@ -211,7 +211,7 @@ separator_row (GtkTreeModel *model,
               gpointer      data)
 {
  GtkTreePath *path;
-  gint idx;
+  int idx;

  path = gtk_tree_model_get_path (model, iter);
  idx = gtk_tree_path_get_indices (path)[0];
@@ -224,7 +224,7 @@ separator_row (GtkTreeModel *model,
 static void
 editing_started (GtkCellRenderer *cell,
                 GtkCellEditable *editable,
-                 const gchar     *path,
+                 const char      *path,
                 gpointer         data)
 {
  gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (editable),
@@ -233,15 +233,15 @@ editing_started (GtkCellRenderer *cell,

 static void
 cell_edited (GtkCellRendererText *cell,
-             const gchar         *path_string,
-             const gchar         *new_text,
+             const char          *path_string,
+             const char          *new_text,
             gpointer             data)
 {
  GtkTreeModel *model = (GtkTreeModel *)data;
  GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
  GtkTreeIter iter;

-  gint column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));
+  int column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (cell), "column"));

  gtk_tree_model_get_iter (model, &iter, path);

@@ -249,7 +249,7 @@ cell_edited (GtkCellRendererText *cell,
    {
    case COLUMN_ITEM_NUMBER:
      {
-        gint i;
+        int i;

        i = gtk_tree_path_get_indices (path)[0];
        g_array_index (articles, Item, i).number = atoi (new_text);
@@ -261,8 +261,8 @@ cell_edited (GtkCellRendererText *cell,

    case COLUMN_ITEM_PRODUCT:
      {
-        gint i;
-        gchar *old_text;
+        int i;
+        char *old_text;

        gtk_tree_model_get (model, &iter, column, &old_text, -1);
        g_free (old_text);
@@ -13,7 +13,7 @@
 static GtkWidget *window = NULL;

 static void
-response_cb (GtkDialog *dialog, gint response_id)
+response_cb (GtkDialog *dialog, int response_id)
 {
  gtk_window_destroy (GTK_WINDOW (window));
  window = NULL;
@@ -22,8 +22,8 @@ format_number (GtkTreeViewColumn *col,
               GtkTreeIter       *iter,
               gpointer           data)
 {
-  gint num;
-  gchar *text;
+  int num;
+  char *text;

  gtk_tree_model_get (model, iter, GPOINTER_TO_INT (data), &num, -1);
  text = g_strdup_printf ("%d", num);
@@ -35,11 +35,11 @@ static void
 filter_modify_func (GtkTreeModel *model,
                    GtkTreeIter  *iter,
                    GValue       *value,
-                    gint          column,
+                    int           column,
                    gpointer      data)
 {
  GtkTreeModelFilter *filter_model = GTK_TREE_MODEL_FILTER (model);
-  gint width, height;
+  int width, height;
  GtkTreeModel *child_model;
  GtkTreeIter child_iter;

@@ -75,7 +75,7 @@ visible_func (GtkTreeModel *model,
              GtkTreeIter  *iter,
              gpointer      data)
 {
-  gint width;
+  int width;

  gtk_tree_model_get (model, iter,
                      WIDTH_COLUMN, &width,
@@ -45,12 +45,9 @@
            <attributes>
              <attribute name="weight" value="bold"></attribute>
            </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview1"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -83,12 +80,9 @@
                </child>
              </object>
            </child>
-            <accessibility>
-              <relation type="labelled-by" target="label1"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -133,12 +127,9 @@
                </child>
              </object>
            </child>
-            <accessibility>
-              <relation type="labelled-by" target="label2"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -149,12 +140,9 @@
            <attributes>
              <attribute name="weight" value="bold"></attribute>
            </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview2"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -165,12 +153,9 @@
            <attributes>
              <attribute name="weight" value="bold"></attribute>
            </attributes>
-            <accessibility>
-              <relation type="label-for" target="treeview3"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -197,12 +182,9 @@
                </child>
              </object>
            </child>
-            <accessibility>
-              <relation type="labelled-by" target="label3"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -209,7 +209,7 @@ set_widget_type (GtkFishbowl *fishbowl,
                        widget_types[selected_widget_type].name);
 }

-void
+G_MODULE_EXPORT void
 fishbowl_next_button_clicked_cb (GtkButton *source,
                                 gpointer   user_data)
 {
@@ -224,7 +224,7 @@ fishbowl_next_button_clicked_cb (GtkButton *source,
  set_widget_type (fishbowl, new_index);
 }

-void
+G_MODULE_EXPORT void
 fishbowl_prev_button_clicked_cb (GtkButton *source,
                                 gpointer   user_data)
 {
@@ -239,7 +239,7 @@ fishbowl_prev_button_clicked_cb (GtkButton *source,
  set_widget_type (fishbowl, new_index);
 }

-void
+G_MODULE_EXPORT void
 fishbowl_changes_toggled_cb (GtkToggleButton *button,
                             gpointer         user_data)
 {
@@ -249,7 +249,7 @@ fishbowl_changes_toggled_cb (GtkToggleButton *button,
    gtk_button_set_icon_name (GTK_BUTTON (button), "changes-allow");
 }

-char *
+G_MODULE_EXPORT char *
 format_header_cb (GObject *object,
                  guint    count,
                  double   fps)
@@ -29,7 +29,7 @@ draw_color (GtkDrawingArea *drawingarea,
 }

 static GtkWidget *
-color_swatch_new (const gchar *color)
+color_swatch_new (const char *color)
 {
  GtkWidget *button, *area;

@@ -48,7 +48,7 @@ do_flowbox (GtkWidget *do_widget)
 {
  static GtkWidget *window = NULL;
  GtkWidget *scrolled, *flowbox;
-  const gchar *colors[] = {
+  const char *colors[] = {
    "AliceBlue",
    "AntiqueWhite",
    "AntiqueWhite1",
@@ -716,7 +716,7 @@ do_flowbox (GtkWidget *do_widget)
    "YellowGreen",
    NULL
  };
-  gint i;
+  int i;

  if (!window)
    {
@@ -130,6 +130,10 @@ static const char *
 get_feature_display_name (unsigned int tag)
 {
  int i;
+  static char buf[5] = { 0, };
+
+  if (tag == MAKE_TAG ('x', 'x', 'x', 'x'))
+    return _("Default");

  for (i = 0; i < G_N_ELEMENTS (open_type_layout_features); i++)
    {
@@ -137,7 +141,10 @@ get_feature_display_name (unsigned int tag)
        return g_dpgettext2 (NULL, "OpenType layout", open_type_layout_features[i].name);
    }

-  return NULL;
+  hb_tag_to_string (tag, buf);
+  g_warning ("unknown OpenType layout feature tag: %s", buf);
+
+  return buf;
 }

 static void update_display (void);
@@ -295,7 +302,7 @@ update_display (void)
  GList *l;
  PangoAttrList *attrs;
  PangoAttribute *attr;
-  gint ins, bound;
+  int ins, bound;
  guint start, end;
  PangoLanguage *lang;
  char *font_desc;
@@ -479,7 +486,7 @@ update_script_combo (void)
 {
  GtkListStore *store;
  hb_font_t *hb_font;
-  gint i, j, k;
+  int i, j, k;
  PangoFont *pango_font;
  GHashTable *tags;
  GHashTableIter iter;
@@ -593,7 +600,7 @@ update_script_combo (void)
 static void
 update_features (void)
 {
-  gint i, j;
+  int i, j;
  GtkTreeModel *model;
  GtkTreeIter iter;
  guint script_index, lang_index;
@@ -728,8 +735,8 @@ static void
 entry_activated (GtkEntry *entry,
                 GtkAdjustment *adjustment)
 {
-  gdouble value;
-  gchar *err = NULL;
+  double value;
+  char *err = NULL;

  value = g_strtod (gtk_editable_get_text (GTK_EDITABLE (entry)), &err);
  if (err != NULL)
@@ -939,7 +946,7 @@ instance_changed (GtkComboBox *combo)
    {
      Axis *axis;
      Axis akey;
-      gdouble value;
+      double value;

      value = coords[ai[i].axis_index];

@@ -1285,8 +1292,7 @@ do_font_features (GtkWidget *do_widget)
                                                                            "palt",
                                                                            "twid",
                                                                            "qwid", NULL });
-      add_check_group (feature_list, _("Alternative Stylistic Sets"), (const char *[]){ "ss00",
-                                                                                        "ss01",
+      add_check_group (feature_list, _("Alternative Stylistic Sets"), (const char *[]){ "ss01",
                                                                                        "ss02",
                                                                                        "ss03",
                                                                                        "ss04",
@@ -36,11 +36,11 @@ adjustment_get_normalized_value (GtkAdjustment *adj)

 static void
 val_to_xy (GtkFontPlane *plane,
-           gint          *x,
-           gint          *y)
+           int           *x,
+           int           *y)
 {
-  gdouble u, v;
-  gint width, height;
+  double u, v;
+  int width, height;

  width = gtk_widget_get_allocated_width (GTK_WIDGET (plane));
  height = gtk_widget_get_allocated_height (GTK_WIDGET (plane));
@@ -57,8 +57,8 @@ plane_snapshot (GtkWidget   *widget,
                GtkSnapshot *snapshot)
 {
  GtkFontPlane *plane = GTK_FONT_PLANE (widget);
-  gint x, y;
-  gint width, height;
+  int x, y;
+  int width, height;
  cairo_t *cr;

  val_to_xy (plane, &x, &y);
@@ -125,11 +125,11 @@ adjustment_set_normalized_value (GtkAdjustment *adj,

 static void
 update_value (GtkFontPlane *plane,
-              gint           x,
-              gint           y)
+              int            x,
+              int            y)
 {
  GtkWidget *widget = GTK_WIDGET (plane);
-  gdouble u, v;
+  double u, v;

  u = CLAMP (x * (1.0 / gtk_widget_get_allocated_width (widget)), 0, 1);
  v = CLAMP (1 - y * (1.0 / gtk_widget_get_allocated_height (widget)), 0, 1);
@@ -142,8 +142,8 @@ update_value (GtkFontPlane *plane,

 static void
 plane_drag_gesture_begin (GtkGestureDrag *gesture,
-                          gdouble         start_x,
-                          gdouble         start_y,
+                          double          start_x,
+                          double          start_y,
                          GtkFontPlane  *plane)
 {
  guint button;
@@ -164,11 +164,11 @@ plane_drag_gesture_begin (GtkGestureDrag *gesture,

 static void
 plane_drag_gesture_update (GtkGestureDrag *gesture,
-                           gdouble         offset_x,
-                           gdouble         offset_y,
+                           double          offset_x,
+                           double          offset_y,
                           GtkFontPlane  *plane)
 {
-  gdouble start_x, start_y;
+  double start_x, start_y;

  gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (gesture),
                                    &start_x, &start_y);
@@ -177,8 +177,8 @@ plane_drag_gesture_update (GtkGestureDrag *gesture,

 static void
 plane_drag_gesture_end (GtkGestureDrag *gesture,
-                        gdouble         offset_x,
-                        gdouble         offset_y,
+                        double          offset_x,
+                        double          offset_y,
                        GtkFontPlane  *plane)
 {
  set_cross_cursor (GTK_WIDGET (plane), FALSE);
@@ -21,12 +21,6 @@ static PangoContext *context;

 static int scale = 10;

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

      update_image ();
+
+      g_object_unref (builder);
    }

  if (!gtk_widget_get_visible (window))
@@ -28,7 +28,7 @@
          <object class="GtkEntry" id="entry">
            <property name="text">Fonts render</property>
            <layout>
-              <property name="left-attach">1</property>
+              <property name="column">1</property>
            </layout>
          </object>
        </child>
@@ -41,16 +41,16 @@
              <class name="dim-label"/>
            </style>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkFontButton" id="font_button">
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -62,7 +62,7 @@
              <class name="dim-label"/>
            </style>
            <layout>
-              <property name="left-attach">2</property>
+              <property name="column">2</property>
            </layout>
          </object>
        </child>
@@ -77,7 +77,7 @@
              <item translatable="yes" id="full">Full</item>
            </items>
            <layout>
-              <property name="left-attach">3</property>
+              <property name="column">3</property>
            </layout>
          </object>
        </child>
@@ -92,8 +92,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">3</property>
-              <property name="top-attach">1</property>
+              <property name="column">3</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -109,8 +109,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">0</property>
+              <property name="column">4</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -126,8 +126,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">1</property>
+              <property name="column">4</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -138,8 +138,8 @@
              <class name="circular"/>
            </style>
            <layout>
-              <property name="left-attach">5</property>
-              <property name="top-attach">0</property>
+              <property name="column">5</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -150,8 +150,8 @@
              <class name="circular"/>
            </style>
            <layout>
-              <property name="left-attach">5</property>
-              <property name="top-attach">1</property>
+              <property name="column">5</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -159,7 +159,7 @@
          <object class="GtkLabel">
            <property name="hexpand">1</property>
            <layout>
-              <property name="left-attach">6</property>
+              <property name="column">6</property>
            </layout>
          </object>
        </child>
@@ -184,8 +184,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
              <property name="column-span">7</property>
            </layout>
          </object>
@@ -204,8 +204,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">4</property>
+              <property name="column">0</property>
+              <property name="row">4</property>
              <property name="column-span">7</property>
            </layout>
          </object>
@@ -9,8 +9,8 @@

 static GtkGesture *rotate = NULL;
 static GtkGesture *zoom = NULL;
-static gdouble swipe_x = 0;
-static gdouble swipe_y = 0;
+static double swipe_x = 0;
+static double swipe_y = 0;
 static gboolean long_pressed = FALSE;

 static gboolean
@@ -26,8 +26,8 @@ touchpad_swipe_gesture_begin (GtkGesture       *gesture,

 static void
 swipe_gesture_swept (GtkGestureSwipe *gesture,
-                     gdouble          velocity_x,
-                     gdouble          velocity_y,
+                     double           velocity_x,
+                     double           velocity_y,
                     GtkWidget       *widget)
 {
  swipe_x = velocity_x / 10;
@@ -37,8 +37,8 @@ swipe_gesture_swept (GtkGestureSwipe *gesture,

 static void
 long_press_gesture_pressed (GtkGestureLongPress *gesture,
-                            gdouble              x,
-                            gdouble              y,
+                            double               x,
+                            double               y,
                            GtkWidget           *widget)
 {
  long_pressed = TRUE;
@@ -56,8 +56,8 @@ long_press_gesture_end (GtkGesture       *gesture,

 static void
 rotation_angle_changed (GtkGestureRotate *gesture,
-                        gdouble           angle,
-                        gdouble           delta,
+                        double            angle,
+                        double            delta,
                        GtkWidget        *widget)
 {
  gtk_widget_queue_draw (widget);
@@ -65,7 +65,7 @@ rotation_angle_changed (GtkGestureRotate *gesture,

 static void
 zoom_scale_changed (GtkGestureZoom *gesture,
-                    gdouble         scale,
+                    double          scale,
                    GtkWidget      *widget)
 {
  gtk_widget_queue_draw (widget);
@@ -93,8 +93,8 @@ drawing_area_draw (GtkDrawingArea *area,
    {
      cairo_pattern_t *pat;
      cairo_matrix_t matrix;
-      gdouble angle, scale;
-      gdouble x_center, y_center;
+      double angle, scale;
+      double x_center, y_center;

      gtk_gesture_get_bounding_box_center (GTK_GESTURE (zoom), &x_center, &y_center);

@@ -1,7 +1,7 @@
 precision highp float;

 void main() {
-  float lerpVal = gl_FragCoord.y / 500.0f;
+  float lerpVal = gl_FragCoord.y / 500.0;

-  gl_FragColor = mix(vec4(1.0f, 0.85f, 0.35f, 1.0f), vec4(0.2f, 0.2f, 0.2f, 1.0f), lerpVal);
+  gl_FragColor = mix(vec4(1.0, 0.85, 0.35, 1.0), vec4(0.2, 0.2, 0.2, 1.0), lerpVal);
 }
@@ -98,7 +98,7 @@ gtk_fishbowl_measure (GtkWidget      *widget,
  GHashTableIter iter;
  gpointer key, value;
  GtkFishbowlChild *child;
-  gint child_min, child_nat;
+  int child_min, child_nat;

  *minimum = 0;
  *natural = 0;
@@ -18,7 +18,7 @@ static void
 insert_link (GtkTextBuffer *buffer,
             GtkTextIter   *iter,
             const char    *text,
-             gint           page)
+             int            page)
 {
  GtkTextTag *tag;

@@ -35,7 +35,7 @@ insert_link (GtkTextBuffer *buffer,
 */
 static void
 show_page (GtkTextBuffer *buffer,
-           gint           page)
+           int            page)
 {
  GtkTextIter iter;

@@ -91,7 +91,7 @@ follow_if_link (GtkWidget   *text_view,
  for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
    {
      GtkTextTag *tag = tagp->data;
-      gint page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
+      int page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));

      if (page != 0)
        {
@@ -134,14 +134,14 @@ key_pressed (GtkEventController *controller,
 }

 static void set_cursor_if_appropriate (GtkTextView *text_view,
-                                       gint         x,
-                                       gint         y);
+                                       int          x,
+                                       int          y);

 static void
 released_cb (GtkGestureClick *gesture,
             guint            n_press,
-             gdouble          x,
-             gdouble          y,
+             double           x,
+             double           y,
             GtkWidget       *text_view)
 {
  GtkTextIter start, end, iter;
@@ -168,8 +168,8 @@ released_cb (GtkGestureClick *gesture,

 static void
 motion_cb (GtkEventControllerMotion *controller,
-           gdouble                   x,
-           gdouble                   y,
+           double                    x,
+           double                    y,
           GtkTextView              *text_view)
 {
  set_cursor_if_appropriate (text_view, x, y);
@@ -183,8 +183,8 @@ static gboolean hovering_over_link = FALSE;
 */
 static void
 set_cursor_if_appropriate (GtkTextView    *text_view,
-                           gint            x,
-                           gint            y)
+                           int             x,
+                           int             y)
 {
  GSList *tags = NULL, *tagp = NULL;
  GtkTextIter iter;
@@ -196,7 +196,7 @@ set_cursor_if_appropriate (GtkTextView    *text_view,
      for (tagp = tags;  tagp != NULL;  tagp = tagp->next)
        {
          GtkTextTag *tag = tagp->data;
-          gint page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));
+          int page = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "page"));

          if (page != 0)
            {
@@ -220,7 +220,7 @@ set_widget_type (int type)
  tick_cb = gtk_widget_add_tick_callback (window, scroll_cb, NULL, NULL);
 }

-void
+G_MODULE_EXPORT void
 iconscroll_next_clicked_cb (GtkButton *source,
                            gpointer   user_data)
 {
@@ -235,7 +235,7 @@ iconscroll_next_clicked_cb (GtkButton *source,
  set_widget_type (new_index);
 }

-void
+G_MODULE_EXPORT void
 iconscroll_prev_clicked_cb (GtkButton *source,
                            gpointer   user_data)
 {
@@ -249,7 +249,7 @@ iconscroll_prev_clicked_cb (GtkButton *source,
  set_widget_type (new_index);
 }

-GtkWidget *
+G_MODULE_EXPORT GtkWidget *
 do_iconscroll (GtkWidget *do_widget)
 {
  if (!window)
@@ -25,7 +25,7 @@ enum


 static GdkPixbuf *file_pixbuf, *folder_pixbuf;
-gchar *parent;
+char *parent;
 GtkWidget *up_button;

 /* Loads the images for the demo and returns whether the operation succeeded */
@@ -47,7 +47,7 @@ static void
 fill_store (GtkListStore *store)
 {
  GDir *dir;
-  const gchar *name;
+  const char *name;
  GtkTreeIter iter;

  /* First clear the store */
@@ -62,7 +62,7 @@ fill_store (GtkListStore *store)
  name = g_dir_read_name (dir);
  while (name != NULL)
    {
-      gchar *path, *display_name;
+      char *path, *display_name;
      gboolean is_dir;

      /* We ignore hidden files that start with a '.' */
@@ -90,14 +90,14 @@ fill_store (GtkListStore *store)
  g_dir_close (dir);
 }

-static gint
+static int
 sort_func (GtkTreeModel *model,
           GtkTreeIter  *a,
           GtkTreeIter  *b,
           gpointer      user_data)
 {
  gboolean is_dir_a, is_dir_b;
-  gchar *name_a, *name_b;
+  char *name_a, *name_b;
  int ret;

  /* We need this function because we want to sort
@@ -158,7 +158,7 @@ item_activated (GtkIconView *icon_view,
                gpointer     user_data)
 {
  GtkListStore *store;
-  gchar *path;
+  char *path;
  GtkTreeIter iter;
  gboolean is_dir;

@@ -192,7 +192,7 @@ up_clicked (GtkButton *item,
            gpointer   user_data)
 {
  GtkListStore *store;
-  gchar *dir_name;
+  char *dir_name;

  store = GTK_LIST_STORE (user_data);

@@ -19,8 +19,8 @@ static void
 fill_store (GtkListStore *store)
 {
  GtkTreeIter iter;
-  const gchar *text[] = { "Red", "Green", "Blue", "Yellow" };
-  gint i;
+  const char *text[] = { "Red", "Green", "Blue", "Yellow" };
+  int i;

  /* First clear the store */
  gtk_list_store_clear (store);
@@ -49,7 +49,7 @@ set_cell_color (GtkCellLayout   *cell_layout,
                GtkTreeIter     *iter,
                gpointer         data)
 {
-  gchar *text;
+  char *text;
  GdkRGBA color;
  guint32 pixel = 0;
  GdkPixbuf *pixbuf;
@@ -60,10 +60,10 @@ set_cell_color (GtkCellLayout   *cell_layout,

  if (gdk_rgba_parse (&color, text))
    pixel =
-      ((gint)(color.red * 255)) << 24 |
-      ((gint)(color.green * 255)) << 16 |
-      ((gint)(color.blue  * 255)) << 8 |
-      ((gint)(color.alpha * 255));
+      ((int)(color.red * 255)) << 24 |
+      ((int)(color.green * 255)) << 16 |
+      ((int)(color.blue  * 255)) << 8 |
+      ((int)(color.alpha * 255));

  g_free (text);

@@ -77,8 +77,8 @@ set_cell_color (GtkCellLayout   *cell_layout,

 static void
 edited (GtkCellRendererText *cell,
-        gchar               *path_string,
-        gchar               *text,
+        char                *path_string,
+        char                *text,
        gpointer             data)
 {
  GtkTreeModel *model;
@@ -43,10 +43,10 @@ progressive_prepared_callback (GdkPixbufLoader *loader,

 static void
 progressive_updated_callback (GdkPixbufLoader *loader,
-                              gint                 x,
-                              gint                 y,
-                              gint                 width,
-                              gint                 height,
+                              int                  x,
+                              int                  y,
+                              int                  width,
+                              int                  height,
                              gpointer     data)
 {
  GtkWidget *picture;
@@ -58,7 +58,7 @@ progressive_updated_callback (GdkPixbufLoader *loader,
  gtk_picture_set_pixbuf (GTK_PICTURE (picture), pixbuf);
 }

-static gint
+static int
 progressive_timeout (gpointer data)
 {
  GtkWidget *picture;
@@ -8,7 +8,7 @@

 static void
 on_bar_response (GtkInfoBar *info_bar,
-                 gint        response_id,
+                 int         response_id,
                 gpointer    user_data)
 {
  GtkWidget *dialog;
@@ -9,7 +9,7 @@

 static void
 response_cb (GtkWidget *dialog,
-             gint       response_id,
+             int        response_id,
             gpointer   data)
 {
  gtk_window_destroy (GTK_WINDOW (dialog));
@@ -17,7 +17,7 @@ response_cb (GtkWidget *dialog,

 static gboolean
 activate_link (GtkWidget   *label,
-               const gchar *uri,
+               const char *uri,
               gpointer     data)
 {
  if (g_strcmp0 (uri, "keynav") == 0)
@@ -81,7 +81,7 @@ spinner_timeout (gpointer data)
 static GtkTreeModel *
 create_model (void)
 {
-  gint i = 0;
+  int i = 0;
  GtkListStore *store;
  GtkTreeIter iter;

@@ -26,8 +26,8 @@
            <property name="margin-end">8</property>
            <property name="icon-name">image-missing</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
              <property name="row-span">5</property>
            </layout>
          </object>
@@ -71,8 +71,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -84,12 +84,9 @@
            <property name="yalign">0</property>
            <property name="label" translatable="0">Message</property>
            <property name="wrap">1</property>
-            <accessibility>
-              <role type="static"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -114,8 +111,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -168,8 +165,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -184,27 +181,17 @@
                    <property name="margin-bottom">2</property>
                    <property name="spacing">8</property>
                    <child>
-                      <object class="GtkFrame" id="frame1">
-                        <child>
-                          <object class="GtkLabel" id="n_reshares_label">
-                            <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
+                      <object class="GtkLabel" id="n_reshares_label">
+                        <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
 Reshares</property>
-                            <property name="use-markup">1</property>
-                          </object>
-                        </child>
-                        <child type="label_item"/>
+                        <property name="use-markup">1</property>
                      </object>
                    </child>
                    <child>
-                      <object class="GtkFrame" id="frame2">
-                        <child>
-                          <object class="GtkLabel" id="n_favorites_label">
-                            <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
+                      <object class="GtkLabel" id="n_favorites_label">
+                        <property name="label" translatable="0">&lt;b&gt;2&lt;/b&gt;
 FAVORITES</property>
-                            <property name="use-markup">1</property>
-                          </object>
-                        </child>
-                        <child type="label_item"/>
+                        <property name="use-markup">1</property>
                      </object>
                    </child>
                  </object>
@@ -234,8 +221,8 @@ FAVORITES</property>
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">4</property>
+              <property name="column">1</property>
+              <property name="row">4</property>
            </layout>
          </object>
        </child>
@@ -166,14 +166,6 @@ do_listview_applauncher (GtkWidget *do_widget)
      g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);
      g_signal_connect (factory, "bind", G_CALLBACK (bind_listitem_cb), NULL);

-      /* Create the list widget here.
-       */
-      list = gtk_list_view_new_with_factory (factory);
-      /* We connect the activate signal here. It's the function we defined
-       * above for launching the selected application.
-       */
-      g_signal_connect (list, "activate", G_CALLBACK (activate_cb), NULL);
-
      /* And of course we need to set the data model. Here we call the function
       * we wrote above that gives us the list of applications. Then we set
       * it on the list widget.
@@ -181,8 +173,15 @@ do_listview_applauncher (GtkWidget *do_widget)
       * to create as many listitems as it needs to show itself to the user.
       */
      model = create_application_list ();
-      gtk_list_view_set_model (GTK_LIST_VIEW (list), model);
-      g_object_unref (model);
+
+      /* Create the list widget here.
+       */
+      list = gtk_list_view_new_with_factory (model, factory);
+
+      /* We connect the activate signal here. It's the function we defined
+       * above for launching the selected application.
+       */
+      g_signal_connect (list, "activate", G_CALLBACK (activate_cb), NULL);

      /* List widgets should always be contained in a #GtkScrolledWindow,
       * because otherwise they might get too large or they might not
@@ -463,7 +463,6 @@ do_listview_clocks (GtkWidget *do_widget)
      GtkWidget *gridview, *sw;
      GtkListItemFactory *factory;
      GListModel *model;
-      GtkNoSelection *selection;

      /* This is the normal window setup code every demo does */
      window = gtk_window_new ();
@@ -485,16 +484,12 @@ do_listview_clocks (GtkWidget *do_widget)
      factory = gtk_signal_list_item_factory_new ();
      g_signal_connect (factory, "setup", G_CALLBACK (setup_listitem_cb), NULL);

-      gridview = gtk_grid_view_new_with_factory (factory);
+      model = G_LIST_MODEL (gtk_no_selection_new (create_clocks_model ()));
+      gridview = gtk_grid_view_new_with_factory (model, factory);
      gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
      gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);

-      model = create_clocks_model ();
-      selection = gtk_no_selection_new (model);
-      gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), G_LIST_MODEL (selection));
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gridview);
-      g_object_unref (selection);
-      g_object_unref (model);
    }

  if (!gtk_widget_get_visible (window))
@@ -89,14 +89,14 @@ static GParamSpec *color_properties[N_COLOR_PROPS] = { NULL, };

 static void
 rgb_to_hsv (GdkRGBA *rgba,
-            gdouble *h_out,
-            gdouble *s_out,
-            gdouble *v_out)
+            double  *h_out,
+            double  *s_out,
+            double  *v_out)
 {
-  gdouble red, green, blue;
-  gdouble h, s, v;
-  gdouble min, max;
-  gdouble delta;
+  double red, green, blue;
+  double h, s, v;
+  double min, max;
+  double delta;

  red = rgba->red;
  green = rgba->green;
@@ -662,9 +662,8 @@ create_color_grid (void)
 {
  GtkWidget *gridview;
  GtkListItemFactory *factory;
-  GListModel *model, *selection;

-  gridview = gtk_grid_view_new ();
+  gridview = gtk_grid_view_new (NULL);
  gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);
  gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (gridview), GTK_SCROLL_NATURAL);

@@ -676,13 +675,6 @@ create_color_grid (void)
  gtk_grid_view_set_max_columns (GTK_GRID_VIEW (gridview), 24);
  gtk_grid_view_set_enable_rubberband (GTK_GRID_VIEW (gridview), TRUE);

-  model = G_LIST_MODEL (gtk_sort_list_model_new (gtk_color_list_new (0), NULL));
-
-  selection = G_LIST_MODEL (gtk_multi_selection_new (model));
-  gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), selection);
-  g_object_unref (selection);
-  g_object_unref (model);
-
  return gridview;
 }

@@ -835,6 +827,22 @@ update_selection_average (GListModel *model,
  g_object_unref (color);
 }

+static void
+update_progress_cb (GtkSortListModel *model,
+                    GParamSpec       *pspec,
+                    GtkProgressBar   *progress)
+{
+  guint total;
+  guint pending;
+
+  total = g_list_model_get_n_items (G_LIST_MODEL (model));
+  total = MAX (total, 1); /* avoid div by 0 below */
+  pending = gtk_sort_list_model_get_pending (model);
+
+  gtk_widget_set_visible (GTK_WIDGET (progress), pending != 0);
+  gtk_progress_bar_set_fraction (progress, (total - pending) / (double) total);
+}
+
 static GtkWidget *window = NULL;

 GtkWidget *
@@ -842,10 +850,11 @@ do_listview_colors (GtkWidget *do_widget)
 {
  if (window == NULL)
    {
-      GtkWidget *header, *gridview, *sw, *box, *dropdown;
+      GtkMultiSelection *selection;
+      GtkSortListModel *sort_model;
+      GtkWidget *header, *overlay, *gridview, *sw, *box, *dropdown;
      GtkListItemFactory *factory;
      GListStore *factories;
-      GListModel *model;
      GtkSorter *sorter;
      GtkSorter *multi_sorter;
      GListStore *sorters;
@@ -863,6 +872,7 @@ do_listview_colors (GtkWidget *do_widget)
      GtkWidget *selection_average_picture;
      GtkWidget *selection_info_toggle;
      GtkWidget *selection_info_revealer;
+      GtkWidget *progress;
      GtkCssProvider *provider;

      provider = gtk_css_provider_new ();
@@ -872,6 +882,10 @@ do_listview_colors (GtkWidget *do_widget)
                                                  800);
      g_object_unref (provider);

+      sort_model = gtk_sort_list_model_new (gtk_color_list_new (0), NULL);
+      gtk_sort_list_model_set_incremental (sort_model, TRUE);
+      selection = gtk_multi_selection_new (G_LIST_MODEL (sort_model));
+
      window = gtk_window_new ();
      gtk_window_set_title (GTK_WINDOW (window), "Colors");
      header = gtk_header_bar_new ();
@@ -882,8 +896,17 @@ do_listview_colors (GtkWidget *do_widget)
                              gtk_widget_get_display (do_widget));
      g_object_add_weak_pointer (G_OBJECT (window), (gpointer*)&window);

+      overlay = gtk_overlay_new ();
+      gtk_window_set_child (GTK_WINDOW (window), overlay);
+
      box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-      gtk_window_set_child (GTK_WINDOW (window), box);
+      gtk_overlay_set_child (GTK_OVERLAY (overlay), box);
+
+      progress = gtk_progress_bar_new ();
+      gtk_widget_set_hexpand (progress, TRUE);
+      gtk_widget_set_valign (progress, GTK_ALIGN_START);
+      g_signal_connect (sort_model, "notify::pending", G_CALLBACK (update_progress_cb), progress);
+      gtk_overlay_add_overlay (GTK_OVERLAY (overlay), progress);

      selection_info_revealer = gtk_revealer_new ();
      gtk_box_append (GTK_BOX (box), selection_info_revealer);
@@ -927,7 +950,7 @@ do_listview_colors (GtkWidget *do_widget)

      factory = gtk_signal_list_item_factory_new ();
      g_signal_connect (factory, "setup", G_CALLBACK (setup_selection_listitem_cb), NULL);
-      selection_view = gtk_grid_view_new_with_factory (factory);
+      selection_view = gtk_grid_view_new_with_factory (NULL, factory);
      gtk_widget_add_css_class (selection_view, "compact");
      gtk_grid_view_set_max_columns (GTK_GRID_VIEW (selection_view), 200);
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), selection_view);
@@ -936,22 +959,19 @@ do_listview_colors (GtkWidget *do_widget)
      gtk_box_append (GTK_BOX (box), sw);

      gridview = create_color_grid ();
+      gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), G_LIST_MODEL (selection));
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gridview);
      gtk_widget_set_hexpand (sw, TRUE);
      gtk_widget_set_vexpand (sw, TRUE);
-      model = gtk_grid_view_get_model (GTK_GRID_VIEW (gridview));

-      selection_filter = G_LIST_MODEL (gtk_selection_filter_model_new (GTK_SELECTION_MODEL (model)));
+      selection_filter = G_LIST_MODEL (gtk_selection_filter_model_new (GTK_SELECTION_MODEL (selection)));
      g_signal_connect (selection_filter, "items-changed", G_CALLBACK (update_selection_count), selection_size_label);
      g_signal_connect (selection_filter, "items-changed", G_CALLBACK (update_selection_average), selection_average_picture);

      no_selection = G_LIST_MODEL (gtk_no_selection_new (selection_filter));
      gtk_grid_view_set_model (GTK_GRID_VIEW (selection_view), no_selection);
-      g_object_unref (selection_filter);
      g_object_unref (no_selection);

-      g_object_get (model, "model", &model, NULL);
-
      selection_info_toggle = gtk_toggle_button_new ();
      gtk_button_set_icon_name (GTK_BUTTON (selection_info_toggle), "emblem-important-symbolic");
      gtk_widget_set_tooltip_text (selection_info_toggle, "Show selection info");
@@ -964,7 +984,7 @@ do_listview_colors (GtkWidget *do_widget)
      button = gtk_button_new_with_mnemonic ("_Refill");
      g_signal_connect (button, "clicked",
                        G_CALLBACK (refill),
-                        gtk_sort_list_model_get_model (GTK_SORT_LIST_MODEL (model)));
+                        gtk_sort_list_model_get_model (sort_model));

      gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);

@@ -979,15 +999,13 @@ do_listview_colors (GtkWidget *do_widget)
      gtk_label_set_width_chars (GTK_LABEL (label), len + 2);
      gtk_label_set_xalign (GTK_LABEL (label), 1);

-      g_signal_connect (gtk_grid_view_get_model (GTK_GRID_VIEW (gridview)),
-                        "items-changed", G_CALLBACK (items_changed_cb), label);
+      g_signal_connect (selection, "items-changed", G_CALLBACK (items_changed_cb), label);
      gtk_header_bar_pack_start (GTK_HEADER_BAR (header), label);

-      dropdown = gtk_drop_down_new ();
-      gtk_drop_down_set_from_strings (GTK_DROP_DOWN (dropdown), (const char *[]) { "8", "64", "512", "4096", "32768", "262144", "2097152", "16777216", NULL });
+      dropdown = gtk_drop_down_new_from_strings  ((const char * const[]) { "8", "64", "512", "4096", "32768", "262144", "2097152", "16777216", NULL });
      g_signal_connect (dropdown, "notify::selected",
                        G_CALLBACK (limit_changed_cb), 
-                        gtk_sort_list_model_get_model (GTK_SORT_LIST_MODEL (model)));
+                        gtk_sort_list_model_get_model (sort_model));
      g_signal_connect (dropdown, "notify::selected",
                        G_CALLBACK (limit_changed_cb2), 
                        label);
@@ -1062,24 +1080,19 @@ do_listview_colors (GtkWidget *do_widget)
      g_list_store_append (sorters, multi_sorter);
      g_object_unref (multi_sorter);

-      dropdown = gtk_drop_down_new ();
-      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-      gtk_box_append (GTK_BOX (box), gtk_label_new ("Sort by:"));
-      gtk_box_append (GTK_BOX (box), dropdown);
-      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
-
      expression = gtk_cclosure_expression_new (G_TYPE_STRING,
                                                NULL,
                                                0, NULL,
                                                (GCallback)get_title,
                                                NULL, NULL);
-      gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
-      gtk_expression_unref (expression);

-      gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (sorters));
-      g_object_unref (sorters);
+      dropdown = gtk_drop_down_new (G_LIST_MODEL (sorters), expression);
+      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_box_append (GTK_BOX (box), gtk_label_new ("Sort by:"));
+      gtk_box_append (GTK_BOX (box), dropdown);
+      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);

-      g_object_bind_property (dropdown, "selected-item", model, "sorter", G_BINDING_SYNC_CREATE);
+      g_object_bind_property (dropdown, "selected-item", sort_model, "sorter", G_BINDING_SYNC_CREATE);

      factories = g_list_store_new (GTK_TYPE_LIST_ITEM_FACTORY);

@@ -1093,25 +1106,18 @@ do_listview_colors (GtkWidget *do_widget)
      set_title (factory, "Everything");
      g_list_store_append (factories, factory);

-      dropdown = gtk_drop_down_new ();
-      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
-      gtk_box_append (GTK_BOX (box), gtk_label_new ("Show:"));
-      gtk_box_append (GTK_BOX (box), dropdown);
-      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);
-
      expression = gtk_cclosure_expression_new (G_TYPE_STRING,
                                                NULL,
                                                0, NULL,
                                                (GCallback)get_title,
                                                NULL, NULL);
-      gtk_drop_down_set_expression (GTK_DROP_DOWN (dropdown), expression);
-      gtk_expression_unref (expression);
-
-      gtk_drop_down_set_model (GTK_DROP_DOWN (dropdown), G_LIST_MODEL (factories));
-      g_object_unref (factories);
+      dropdown = gtk_drop_down_new (G_LIST_MODEL (factories), expression);
+      box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+      gtk_box_append (GTK_BOX (box), gtk_label_new ("Show:"));
+      gtk_box_append (GTK_BOX (box), dropdown);
+      gtk_header_bar_pack_end (GTK_HEADER_BAR (header), box);

      g_object_bind_property (dropdown, "selected-item", gridview, "factory", G_BINDING_SYNC_CREATE);
-      g_object_unref (model);
    }

  if (!gtk_widget_get_visible (window))
@@ -1,11 +1,11 @@
-list.viewswitcher {
+listview.viewswitcher {
  border: 1px solid gray;
 }

-list.viewswitcher > row {
+listview.viewswitcher > row {
  padding: 5px;
 }

-list.viewswitcher row:selected {
+listview.viewswitcher row:selected {
  background: gray;
 }
@@ -214,8 +214,6 @@ transform_settings_to_keys (GBinding     *binding,
  GtkSortListModel *sort_model;
  GtkFilterListModel *filter_model;
  GtkFilter *filter;
-  GtkNoSelection *selection_model;
-  GtkExpression *expression;
  char **keys;
  guint i;

@@ -243,24 +241,13 @@ transform_settings_to_keys (GBinding     *binding,
  g_object_unref (settings);

  sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
-                                        gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
-  g_object_unref (store);
-
-  expression = gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name");
-  filter = gtk_string_filter_new ();
-  gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
-  filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);
-  gtk_expression_unref (expression);
-  g_object_unref (sort_model);
+                                        g_object_ref (gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data))));

+  filter = gtk_string_filter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
  g_set_object (&current_filter, filter);
+  filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);

-  g_object_unref (filter);
-
-  selection_model = gtk_no_selection_new (G_LIST_MODEL (filter_model));
-  g_object_unref (filter_model);
-
-  g_value_take_object (to_value, selection_model);
+  g_value_take_object (to_value, gtk_no_selection_new (G_LIST_MODEL (filter_model)));

  return TRUE;
 }
@@ -407,8 +394,8 @@ do_listview_settings (GtkWidget *do_widget)
      g_object_unref (actions);

      model = create_settings_model (NULL, NULL);
-      treemodel = gtk_tree_list_model_new (FALSE,
-                                           model,
+      treemodel = gtk_tree_list_model_new (model,
+                                           FALSE,
                                           TRUE,
                                           create_settings_model,
                                           NULL,
@@ -422,8 +409,6 @@ do_listview_settings (GtkWidget *do_widget)
                                   columnview, NULL);
      gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
      g_object_unref (selection);
-      g_object_unref (treemodel);
-      g_object_unref (model);

      name_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "name_column"));
      sorter = gtk_string_sorter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
@@ -281,20 +281,16 @@ GtkWidget *
 create_weather_view (void)
 {
  GtkWidget *listview;
-  GListModel *model, *selection;
+  GListModel *model;
  GtkListItemFactory *factory;

  factory = gtk_signal_list_item_factory_new ();
  g_signal_connect (factory, "setup", G_CALLBACK (setup_widget), NULL);
  g_signal_connect (factory, "bind", G_CALLBACK (bind_widget), NULL);
-  listview = gtk_list_view_new_with_factory (factory);
+  model = G_LIST_MODEL (gtk_no_selection_new (create_weather_model ()));
+  listview = gtk_list_view_new_with_factory (model, factory);
  gtk_orientable_set_orientation (GTK_ORIENTABLE (listview), GTK_ORIENTATION_HORIZONTAL);
  gtk_list_view_set_show_separators (GTK_LIST_VIEW (listview), TRUE);
-  model = create_weather_model ();
-  selection = G_LIST_MODEL (gtk_no_selection_new (model));
-  gtk_list_view_set_model (GTK_LIST_VIEW (listview), selection);
-  g_object_unref (selection);
-  g_object_unref (model);

  return listview;
 }
@@ -157,10 +157,8 @@ do_listview_words (GtkWidget *do_widget)
    {
      GtkWidget *header, *listview, *sw, *vbox, *search_entry, *open_button, *overlay;
      GtkFilterListModel *filter_model;
-      GtkNoSelection *selection;
      GtkStringList *stringlist;
      GtkFilter *filter;
-      GtkExpression *expression;
      GFile *file;

      file = g_file_new_for_path ("/usr/share/dict/words");
@@ -177,10 +175,7 @@ do_listview_words (GtkWidget *do_widget)
          g_strfreev (words);
        }

-      filter = gtk_string_filter_new ();
-      expression = gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string");
-      gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
-      gtk_expression_unref (expression);
+      filter = gtk_string_filter_new (gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string"));
      filter_model = gtk_filter_list_model_new (G_LIST_MODEL (stringlist), filter);
      gtk_filter_list_model_set_incremental (filter_model, TRUE);

@@ -215,21 +210,19 @@ do_listview_words (GtkWidget *do_widget)
      gtk_overlay_add_overlay (GTK_OVERLAY (overlay), progress);

      sw = gtk_scrolled_window_new ();
+      gtk_widget_set_vexpand (sw, TRUE);
      gtk_overlay_set_child (GTK_OVERLAY (overlay), sw);

      listview = gtk_list_view_new_with_factory (
+          G_LIST_MODEL (gtk_no_selection_new (G_LIST_MODEL (filter_model))),
          gtk_builder_list_item_factory_new_from_bytes (NULL,
              g_bytes_new_static (factory_text, strlen (factory_text))));
      gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
-      selection = gtk_no_selection_new (G_LIST_MODEL (filter_model));
-      gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
-      g_object_unref (selection);

      g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), progress);
      g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), progress);
      update_title_cb (filter_model);

-      g_object_unref (filter_model);
    }

  if (!gtk_widget_get_visible (window))
@@ -13,11 +13,12 @@
 static GtkWidget *info_view;
 static GtkWidget *source_view;

-static gchar *current_file = NULL;
+static char *current_file = NULL;

 static GtkWidget *notebook;
 static GtkSingleSelection *selection;
 static GtkWidget *toplevel;
+static char **search_needle;

 typedef struct _GtkDemo GtkDemo;
 struct _GtkDemo
@@ -140,7 +141,7 @@ activate_about (GSimpleAction *action,
                gpointer       user_data)
 {
  GtkApplication *app = user_data;
-  const gchar *authors[] = {
+  const char *authors[] = {
    "The GTK Team",
    NULL
  };
@@ -251,11 +252,9 @@ static const char *types[] =
  "static",
  "const ",
  "void",
-  "gint",
  " int ",
  " char ",
-  "gchar ",
-  "gfloat",
+  "char ",
  "float",
  "double",
  "gint8",
@@ -271,8 +270,6 @@ static const char *types[] =
  "gshort",
  "gushort",
  "gulong",
-  "gdouble",
-  "gldouble",
  "gpointer",
  "NULL",
  "GList",
@@ -384,14 +381,14 @@ static const char *control[] =
  NULL
 };
 void
-parse_chars (gchar       *text,
-             gchar      **end_ptr,
-             gint        *state,
+parse_chars (char        *text,
+             char       **end_ptr,
+             int         *state,
             const char **tag,
             gboolean     start)
 {
-  gint i;
-  gchar *next_token;
+  int i;
+  char *next_token;

  /* Handle comments first */
  if (*state == STATE_IN_COMMENT)
@@ -461,7 +458,7 @@ parse_chars (gchar       *text,
  /* check for string */
  if (text[0] == '"')
    {
-      gint maybe_escape = FALSE;
+      int maybe_escape = FALSE;

      *end_ptr = text + 1;
      *tag = "string";
@@ -524,9 +521,9 @@ void
 fontify (GtkTextBuffer *source_buffer)
 {
  GtkTextIter start_iter, next_iter, tmp_iter;
-  gint state;
-  gchar *text;
-  gchar *start_ptr, *end_ptr;
+  int state;
+  char *text;
+  char *start_ptr, *end_ptr;
  const char *tag;

  gtk_text_buffer_create_tag (source_buffer, "source",
@@ -694,10 +691,10 @@ static struct {
 };

 static void
-add_data_tab (const gchar *demoname)
+add_data_tab (const char *demoname)
 {
-  gchar *resource_dir, *resource_name;
-  gchar **resources;
+  char *resource_dir, *resource_name;
+  char **resources;
  GtkWidget *widget, *label;
  guint i, j;

@@ -741,15 +738,15 @@ add_data_tab (const gchar *demoname)
 static void
 remove_data_tabs (void)
 {
-  gint i;
+  int i;

  for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) - 1; i > 1; i--)
    gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), i);
 }

 void
-load_file (const gchar *demoname,
-           const gchar *filename)
+load_file (const char *demoname,
+           const char *filename)
 {
  GtkTextBuffer *info_buffer, *source_buffer;
  GtkTextIter start, end;
@@ -757,9 +754,9 @@ load_file (const gchar *demoname,
  GError *err = NULL;
  int state = 0;
  gboolean in_para = 0;
-  gchar **lines;
+  char **lines;
  GBytes *bytes;
-  gint i;
+  int i;

  if (!g_strcmp0 (current_file, filename))
    return;
@@ -799,9 +796,9 @@ load_file (const gchar *demoname,
  gtk_text_buffer_get_iter_at_offset (info_buffer, &start, 0);
  for (i = 0; lines[i] != NULL; i++)
    {
-      gchar *p;
-      gchar *q;
-      gchar *r;
+      char *p;
+      char *q;
+      char *r;

      /* Make sure \r is stripped at the end for the poor windows people */
      lines[i] = g_strchomp (lines[i]);
@@ -945,7 +942,18 @@ selection_cb (GtkSingleSelection *sel,
              gpointer            user_data)
 {
  GtkTreeListRow *row = gtk_single_selection_get_selected_item (sel);
-  GtkDemo *demo = gtk_tree_list_row_get_item (row);
+  GtkDemo *demo;
+
+  gtk_widget_set_sensitive (GTK_WIDGET (notebook), !!row);
+
+  if (!row)
+    {
+      gtk_window_set_title (GTK_WINDOW (toplevel), "No match");
+
+      return;
+    }
+
+  demo = gtk_tree_list_row_get_item (row);

  if (demo->filename)
    load_file (demo->name, demo->filename);
@@ -953,6 +961,84 @@ selection_cb (GtkSingleSelection *sel,
  gtk_window_set_title (GTK_WINDOW (toplevel), demo->title);
 }

+static gboolean
+filter_demo (GtkDemo *demo)
+{
+  int i;
+
+  /* Show only if the name maches every needle */
+  for (i = 0; search_needle[i]; i++)
+    {
+      if (!demo->title)
+        return FALSE;
+
+      if (g_str_match_string (search_needle[i], demo->title, TRUE))
+        continue;
+
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+static gboolean
+demo_filter_by_name (GtkTreeListRow     *row,
+                     GtkFilterListModel *model)
+{
+  GListModel *children;
+  GtkDemo *demo;
+  guint i, n;
+
+  /* Show all items if search is empty */
+  if (!search_needle || !search_needle[0] || !*search_needle[0])
+    return TRUE;
+
+  g_assert (GTK_IS_TREE_LIST_ROW (row));
+  g_assert (GTK_IS_FILTER_LIST_MODEL (model));
+
+  children = gtk_tree_list_row_get_children (row);
+  if (children)
+    {
+      n = g_list_model_get_n_items (children);
+      for (i = 0; i < n; i++)
+        {
+          demo = g_list_model_get_item (children, i);
+          g_assert (GTK_IS_DEMO (demo));
+
+          if (filter_demo (demo))
+            {
+              g_object_unref (demo);
+              return TRUE;
+            }
+          g_object_unref (demo);
+        }
+    }
+
+  demo = gtk_tree_list_row_get_item (row);
+  g_assert (GTK_IS_DEMO (demo));
+
+  return filter_demo (demo);
+}
+
+static void
+demo_search_changed_cb (GtkSearchEntry *entry,
+                        GtkFilter      *filter)
+{
+  const char *text;
+
+  g_assert (GTK_IS_SEARCH_ENTRY (entry));
+  g_assert (GTK_IS_FILTER (filter));
+
+  text = gtk_editable_get_text (GTK_EDITABLE (entry));
+
+  g_clear_pointer (&search_needle, g_strfreev);
+
+  if (text && *text)
+    search_needle = g_strsplit (text, " ", 0);
+
+  gtk_filter_changed (filter, GTK_FILTER_CHANGE_DIFFERENT);
+}
+
 static GListModel *
 create_demo_model (void)
 {
@@ -1007,13 +1093,25 @@ get_child_model (gpointer item,
  return NULL;
 }

+static void
+clear_search (GtkSearchBar *bar)
+{
+  if (!gtk_search_bar_get_search_mode (bar))
+    {
+      GtkWidget *entry = gtk_search_bar_get_child (GTK_SEARCH_BAR (bar));
+      gtk_editable_set_text (GTK_EDITABLE (entry), "");
+    }
+}
+
 static void
 activate (GApplication *app)
 {
  GtkBuilder *builder;
  GListModel *listmodel;
  GtkTreeListModel *treemodel;
-  GtkWidget *window, *listview;
+  GtkWidget *window, *listview, *search_entry, *search_bar;
+  GtkFilterListModel *filter_model;
+  GtkFilter *filter;

  static GActionEntry win_entries[] = {
    { "run", activate_run, NULL, NULL, NULL }
@@ -1034,15 +1132,24 @@ activate (GApplication *app)
  toplevel = GTK_WIDGET (window);
  listview = GTK_WIDGET (gtk_builder_get_object (builder, "listview"));
  g_signal_connect (listview, "activate", G_CALLBACK (activate_cb), window);
+  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 ();
-  treemodel = gtk_tree_list_model_new (FALSE,
-                                       G_LIST_MODEL (listmodel),
+  treemodel = gtk_tree_list_model_new (G_LIST_MODEL (listmodel),
+                                       FALSE,
                                       TRUE,
                                       get_child_model,
                                       NULL,
                                       NULL);
-  selection = gtk_single_selection_new (G_LIST_MODEL (treemodel));
+  filter_model = gtk_filter_list_model_new (G_LIST_MODEL (treemodel), NULL);
+  filter = gtk_custom_filter_new ((GtkCustomFilterFunc)demo_filter_by_name, filter_model, NULL);
+  gtk_filter_list_model_set_filter (filter_model, filter);
+  g_object_unref (filter);
+  search_entry = GTK_WIDGET (gtk_builder_get_object (builder, "search-entry"));
+  g_signal_connect (search_entry, "search-changed", G_CALLBACK (demo_search_changed_cb), filter);
+
+  selection = gtk_single_selection_new (G_LIST_MODEL (filter_model));
  g_signal_connect (selection, "notify::selected-item", G_CALLBACK (selection_cb), NULL);
  gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));

@@ -1080,12 +1187,12 @@ list_demos (void)
    }
 }

-static gint
+static int
 command_line (GApplication            *app,
              GApplicationCommandLine *cmdline)
 {
  GVariantDict *options;
-  const gchar *name = NULL;
+  const char *name = NULL;
  gboolean autoquit = FALSE;
  gboolean list = FALSE;
  DemoData *d, *c;
@@ -1139,7 +1246,6 @@ out:
      demo = (func) (window);

      gtk_window_set_transient_for (GTK_WINDOW (demo), GTK_WINDOW (window));
-      gtk_window_set_modal (GTK_WINDOW (demo), TRUE);

      g_signal_connect_swapped (G_OBJECT (demo), "destroy", G_CALLBACK (g_application_quit), app);
    }
@@ -1189,8 +1295,8 @@ main (int argc, char **argv)
    { "inspector", activate_inspector, NULL, NULL, NULL },
  };
  struct {
-    const gchar *action_and_target;
-    const gchar *accelerators[2];
+    const char *action_and_target;
+    const char *accelerators[2];
  } accels[] = {
    { "app.about", { "F1", NULL } },
    { "app.quit", { "<Control>q", NULL } },
@@ -55,12 +55,29 @@
            <property name="hscrollbar-policy">never</property>
            <property name="min-content-width">150</property>
            <child>
-              <object class="GtkListView" id="listview">
-                <property name="factory">
-                  <object class="GtkBuilderListItemFactory">
-                    <property name="resource">/ui/main-listitem.ui</property>
+              <object class="GtkBox">
+                <property name="width-request">220</property>
+                <property name="orientation">vertical</property>
+
+                <child>
+                  <object class="GtkSearchBar" id="searchbar">
+                    <property name="key-capture-widget">window</property>
+                    <child>
+                      <object class="GtkSearchEntry" id="search-entry"/>
+                    </child>
                  </object>
-                </property>
+                </child>
+
+                <child>
+                  <object class="GtkListView" id="listview">
+                    <property name="factory">
+                      <object class="GtkBuilderListItemFactory">
+                        <property name="resource">/ui/main-listitem.ui</property>
+                      </object>
+                    </property>
+                  </object>
+                </child>
+
              </object>
            </child>
          </object>
@@ -21,7 +21,7 @@ source_toggled (GtkToggleButton *button)
    {
      GtkTextBuffer *buffer;
      GtkTextIter start, end;
-      gchar *markup;
+      char *markup;

      buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view2));
      gtk_text_buffer_get_bounds (buffer, &start, &end);
@@ -50,7 +50,7 @@ do_markup (GtkWidget *do_widget)
      GtkTextBuffer *buffer;
      GtkTextIter iter;
      GBytes *bytes;
-      const gchar *markup;
+      const char *markup;
      GtkWidget *header;
      GtkWidget *show_source;

@@ -102,7 +102,7 @@ do_markup (GtkWidget *do_widget)
      gtk_stack_add_named (GTK_STACK (stack), sw, "source");

      bytes = g_resources_lookup_data ("/markup/markup.txt", 0, NULL);
-      markup = (const gchar *)g_bytes_get_data (bytes, NULL);
+      markup = (const char *)g_bytes_get_data (bytes, NULL);

      buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
      gtk_text_buffer_get_start_iter (buffer, &iter);
@@ -31,6 +31,11 @@
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
  <releases>
+    <release version="3.99.0" date="2020-07-30">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
    <release version="3.94.0" date="2018-06-25">
      <description>
        <p>A new developers snapshot towards GTK 4.0.</p>
@@ -12,9 +12,9 @@ static void
 margin_changed (GtkAdjustment *adjustment,
                GtkTextView   *text)
 {
-  gint value;
+  int value;

-  value = (gint)gtk_adjustment_get_value (adjustment);
+  value = (int)gtk_adjustment_get_value (adjustment);
  gtk_text_view_set_left_margin (GTK_TEXT_VIEW (text), value);
  g_object_set (tag, "pixels-above-lines", value, NULL);
 }
@@ -9,7 +9,7 @@
 #include <gtk/gtkunixprint.h>

 static void
-done_cb (GtkDialog *dialog, gint response, gpointer data)
+done_cb (GtkDialog *dialog, int response, gpointer data)
 {
  gtk_window_destroy (GTK_WINDOW (dialog));
 }
@@ -20,7 +20,7 @@ typedef struct
  cairo_t *cr;
  GdkRGBA draw_color;
  GtkPadController *pad_controller;
-  gdouble brush_size;
+  double brush_size;
 } DrawingArea;

 typedef struct
@@ -38,7 +38,7 @@ static GtkPadActionEntry pad_actions[] = {
  { GTK_PAD_ACTION_STRIP, -1, -1, N_("Brush size"), "pad.brush_size" },
 };

-static const gchar *pad_colors[] = {
+static const char *pad_colors[] = {
  "black",
  "pink",
  "green",
@@ -55,8 +55,8 @@ static void drawing_area_set_color (DrawingArea *area,

 static void
 drawing_area_ensure_surface (DrawingArea *area,
-                             gint         width,
-                             gint         height)
+                             int          width,
+                             int          height)
 {
  if (!area->surface ||
      cairo_image_surface_get_width (area->surface) != width ||
@@ -154,7 +154,7 @@ on_pad_button_activate (GSimpleAction *action,
                        GVariant      *parameter,
                        DrawingArea   *area)
 {
-  const gchar *color = g_object_get_data (G_OBJECT (action), "color");
+  const char *color = g_object_get_data (G_OBJECT (action), "color");
  GdkRGBA rgba;

  gdk_rgba_parse (&rgba, color);
@@ -166,7 +166,7 @@ on_pad_knob_change (GSimpleAction *action,
                    GVariant      *parameter,
                    DrawingArea   *area)
 {
-  gdouble value = g_variant_get_double (parameter);
+  double value = g_variant_get_double (parameter);

  area->brush_size = value;
 }
@@ -195,7 +195,7 @@ drawing_area_root (GtkWidget *widget)
  GSimpleActionGroup *action_group;
  GSimpleAction *action;
  GtkWidget *toplevel;
-  gint i;
+  int i;

  GTK_WIDGET_CLASS (drawing_area_parent_class)->root (widget);

@@ -255,9 +255,9 @@ drawing_area_class_init (DrawingAreaClass *klass)
 static void
 drawing_area_apply_stroke (DrawingArea   *area,
                           GdkDeviceTool *tool,
-                           gdouble        x,
-                           gdouble        y,
-                           gdouble        pressure)
+                           double         x,
+                           double         y,
+                           double         pressure)
 {
  if (gdk_device_tool_get_tool_type (tool) == GDK_DEVICE_TOOL_TYPE_ERASER)
    {
@@ -281,8 +281,8 @@ drawing_area_apply_stroke (DrawingArea   *area,

 static void
 stylus_gesture_down (GtkGestureStylus *gesture,
-                     gdouble           x,
-                     gdouble           y,
+                     double            x,
+                     double            y,
                     DrawingArea      *area)
 {
  cairo_new_path (area->cr);
@@ -290,13 +290,13 @@ stylus_gesture_down (GtkGestureStylus *gesture,

 static void
 stylus_gesture_motion (GtkGestureStylus *gesture,
-                       gdouble           x,
-                       gdouble           y,
+                       double            x,
+                       double            y,
                       DrawingArea      *area)
 {
  GdkTimeCoord *backlog;
  GdkDeviceTool *tool;
-  gdouble pressure;
+  double pressure;
  guint n_items;

  tool = gtk_gesture_stylus_get_device_tool (gesture);
@@ -293,6 +293,7 @@ do_paintable_mediastream (GtkWidget *do_widget)
                              gtk_widget_get_display (do_widget));
      gtk_window_set_title (GTK_WINDOW (window), "Nuclear MediaStream");
      gtk_window_set_default_size (GTK_WINDOW (window), 300, 200);
+      g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);

      nuclear = gtk_nuclear_media_stream_new ();
      gtk_media_stream_set_loop (GTK_MEDIA_STREAM (nuclear), TRUE);
@@ -47,9 +47,9 @@ toggle_shrink (GtkWidget *widget,

 static GtkWidget *
 create_pane_options (GtkPaned    *paned,
-                     const gchar *frame_label,
-                     const gchar *label1,
-                     const gchar *label2)
+                     const char *frame_label,
+                     const char *label1,
+                     const char *label2)
 {
  GtkWidget *child1, *child2;
  GtkWidget *frame;
@@ -39,7 +39,7 @@ static GdkPixbuf *frame;

 /* Background image */
 static GdkPixbuf *background;
-static gint back_width, back_height;
+static int back_width, back_height;

 /* Images */
 static GdkPixbuf *images[N_IMAGES];
@@ -51,7 +51,7 @@ static GtkWidget *da;
 static gboolean
 load_pixbufs (GError **error)
 {
-  gint i;
+  int i;

  if (background)
    return TRUE; /* already loaded earlier */
@@ -14,13 +14,13 @@

 typedef struct
 {
-  gchar *resourcename;
-  gdouble font_size;
+  char *resourcename;
+  double font_size;

-  gint lines_per_page;
-  gchar **lines;
-  gint num_lines;
-  gint num_pages;
+  int lines_per_page;
+  char **lines;
+  int num_lines;
+  int num_pages;
 } PrintData;

 static void
@@ -55,17 +55,17 @@ begin_print (GtkPrintOperation *operation,
 static void
 draw_page (GtkPrintOperation *operation,
           GtkPrintContext   *context,
-           gint               page_nr,
+           int                page_nr,
           gpointer           user_data)
 {
  PrintData *data = (PrintData *)user_data;
  cairo_t *cr;
  PangoLayout *layout;
-  gint text_width, text_height;
-  gdouble width;
-  gint line, i;
+  int text_width, text_height;
+  double width;
+  int line, i;
  PangoFontDescription *desc;
-  gchar *page_str;
+  char *page_str;

  cr = gtk_print_context_get_cairo_context (context);
  width = gtk_print_context_get_width (context);
@@ -6,7 +6,7 @@

 #include <gtk/gtk.h>

-static gint count = 0;
+static int count = 0;
 static guint timeout = 0;

 static void
@@ -25,7 +25,7 @@ static gboolean
 reveal_one (gpointer data)
 {
  GtkWidget *window = data;
-  gchar *name;
+  char *name;
  GtkRevealer *revealer;

  name = g_strdup_printf ("revealer%d", count);
@@ -19,8 +19,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">2</property>
+              <property name="column">2</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -35,8 +35,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -51,8 +51,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">3</property>
-              <property name="top-attach">2</property>
+              <property name="column">3</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -66,8 +66,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -82,8 +82,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -98,8 +98,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">0</property>
+              <property name="column">2</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -114,8 +114,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">4</property>
-              <property name="top-attach">2</property>
+              <property name="column">4</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -129,8 +129,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">4</property>
+              <property name="column">2</property>
+              <property name="row">4</property>
            </layout>
          </object>
        </child>
@@ -145,8 +145,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -33,12 +33,9 @@
          <object class="GtkLabel" id="label_plain">
            <property name="label">Plain</property>
            <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_plain"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -48,12 +45,9 @@
            <property name="draw-value">0</property>
            <property name="adjustment">adjustment1</property>
            <property name="hexpand">1</property>
-            <accessibility>
-              <relation type="labelled-by" target="label_plain"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -61,12 +55,9 @@
          <object class="GtkLabel" id="label_marks">
            <property name="label">Marks</property>
            <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_marks"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -83,12 +74,9 @@
              <mark value="3" position="bottom"></mark>
              <mark value="4" position="bottom"></mark>
            </marks>
-            <accessibility>
-              <relation type="labelled-by" target="label_marks"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -96,12 +84,9 @@
          <object class="GtkLabel" id="label_discrete">
            <property name="label">Discrete</property>
            <property name="xalign">0</property>
-            <accessibility>
-              <relation type="label-for" target="scale_discrete"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -112,9 +97,6 @@
            <property name="draw-value">0</property>
            <property name="adjustment">adjustment3</property>
            <property name="hexpand">1</property>
-            <accessibility>
-              <relation type="labelled-by" target="label_discrete"/>
-            </accessibility>
            <marks>
              <mark value="0" position="bottom"></mark>
              <mark value="1" position="bottom"></mark>
@@ -123,8 +105,8 @@
              <mark value="4" position="bottom"></mark>
            </marks>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -37,6 +37,7 @@ static void
 search_progress_done (GtkEntry *entry)
 {
  gtk_entry_set_progress_fraction (entry, 0.0);
+  g_object_unref (entry);
 }

 static gboolean
@@ -54,9 +55,11 @@ finish_search (GtkButton *button)
 static gboolean
 start_search_feedback (gpointer data)
 {
+  gtk_entry_set_progress_fraction (GTK_ENTRY (data), 0.1);
  search_progress_id = g_timeout_add_full (G_PRIORITY_DEFAULT, 100,
-                                           (GSourceFunc)search_progress, data,
+                                           (GSourceFunc)search_progress, g_object_ref (data),
                                           (GDestroyNotify)search_progress_done);
+
  return G_SOURCE_REMOVE;
 }

@@ -123,7 +126,7 @@ set_search_by (GSimpleAction *action,

 static void
 icon_press_cb (GtkEntry       *entry,
-               gint            position,
+               int             position,
               gpointer        data)
 {
  if (position == GTK_ENTRY_ICON_PRIMARY)
@@ -162,7 +165,8 @@ activate_cb (GtkEntry  *entry,
 }

 static void
-search_entry_destroyed (GtkWidget *widget)
+search_entry_destroyed (gpointer  data,
+                        GObject  *widget)
 {
  if (finish_search_id != 0)
    {
@@ -261,8 +265,8 @@ do_search_entry (GtkWidget *do_widget)
      gtk_window_set_display (GTK_WINDOW (window),  gtk_widget_get_display (do_widget));
      gtk_window_set_title (GTK_WINDOW (window), "Search Entry");
      gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
-      g_signal_connect (window, "destroy",
-                        G_CALLBACK (search_entry_destroyed), &window);
+
+      g_object_weak_ref (G_OBJECT (window), search_entry_destroyed, &window);

      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
      gtk_widget_set_margin_start (vbox, 5);
@@ -8,12 +8,12 @@

 static void
 show_shortcuts (GtkWidget   *window,
-                const gchar *id,
-                const gchar *view)
+                const char *id,
+                const char *view)
 {
  GtkBuilder *builder;
  GtkWidget *overlay;
-  gchar *path;
+  char *path;

  path = g_strdup_printf ("/shortcuts/%s.ui", id);
  builder = gtk_builder_new_from_resource (path);
@@ -18,7 +18,7 @@ do_sidebar (GtkWidget *do_widget)
  GtkWidget *box;
  GtkWidget *widget;
  GtkWidget *header;
-  const gchar* pages[] = {
+  const char * pages[] = {
    "Welcome to GTK",
    "GtkStackSidebar Widget",
    "Automatic navigation",
@@ -30,7 +30,7 @@ do_sidebar (GtkWidget *do_widget)
    "Page 9",
    NULL
  };
-  const gchar *c = NULL;
+  const char *c = NULL;
  guint i;

  if (!window)
@@ -272,7 +272,7 @@ start_puzzle (GdkPaintable *paintable)

  /* Create a new grid */
  grid = gtk_grid_new ();
-  gtk_widget_set_can_focus (grid, TRUE);
+  gtk_widget_set_focusable (grid, TRUE);
  gtk_aspect_frame_set_child (GTK_ASPECT_FRAME (frame), grid);
  aspect_ratio = gdk_paintable_get_intrinsic_aspect_ratio (paintable);
  if (aspect_ratio == 0.0)
@@ -284,7 +284,7 @@ start_puzzle (GdkPaintable *paintable)
   * keys to move the puzzle */
  controller = gtk_shortcut_controller_new ();
  gtk_shortcut_controller_set_scope (GTK_SHORTCUT_CONTROLLER (controller),
-                                     GTK_SHORTCUT_SCOPE_GLOBAL);
+                                     GTK_SHORTCUT_SCOPE_LOCAL);
  add_move_binding (GTK_SHORTCUT_CONTROLLER (controller),
                    GDK_KEY_Left, GDK_KEY_KP_Left,
                    -1, 0);
@@ -11,13 +11,13 @@
 #include <math.h>
 #include <stdlib.h>

-gint
+int
 spinbutton_hex_spin_input (GtkSpinButton *spin_button,
-                           gdouble       *new_val)
+                           double        *new_val)
 {
-  const gchar *buf;
-  gchar *err;
-  gdouble res;
+  const char *buf;
+  char *err;
+  double res;

  buf = gtk_editable_get_text (GTK_EDITABLE (spin_button));
  res = strtol (buf, &err, 16);
@@ -28,19 +28,19 @@ spinbutton_hex_spin_input (GtkSpinButton *spin_button,
    return TRUE;
 }

-gint
+int
 spinbutton_hex_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
-  gchar *buf;
-  gdouble val;
+  char *buf;
+  double val;

  adjustment = gtk_spin_button_get_adjustment (spin_button);
  val = gtk_adjustment_get_value (adjustment);
  if (fabs (val) < 1e-5)
    buf = g_strdup ("0x00");
  else
-    buf = g_strdup_printf ("0x%.2X", (gint) val);
+    buf = g_strdup_printf ("0x%.2X", (int) val);
  if (strcmp (buf, gtk_editable_get_text (GTK_EDITABLE (spin_button))))
    gtk_editable_set_text (GTK_EDITABLE (spin_button), buf);
  g_free (buf);
@@ -48,17 +48,17 @@ spinbutton_hex_spin_output (GtkSpinButton *spin_button)
  return TRUE;
 }

-gint
+int
 spinbutton_time_spin_input (GtkSpinButton *spin_button,
-                            gdouble       *new_val)
+                            double        *new_val)
 {
-  const gchar *text;
-  gchar **str;
+  const char *text;
+  char **str;
  gboolean found = FALSE;
-  gint hours;
-  gint minutes;
-  gchar *endh;
-  gchar *endm;
+  int hours;
+  int minutes;
+  char *endh;
+  char *endm;

  text = gtk_editable_get_text (GTK_EDITABLE (spin_button));
  str = g_strsplit (text, ":", 2);
@@ -87,13 +87,13 @@ spinbutton_time_spin_input (GtkSpinButton *spin_button,
  return TRUE;
 }

-gint
+int
 spinbutton_time_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
-  gchar *buf;
-  gdouble hours;
-  gdouble minutes;
+  char *buf;
+  double hours;
+  double minutes;

  adjustment = gtk_spin_button_get_adjustment (spin_button);
  hours = gtk_adjustment_get_value (adjustment) / 60.0;
@@ -121,12 +121,12 @@ static const char *month[12] = {
  "December"
 };

-gint
+int
 spinbutton_month_spin_input (GtkSpinButton *spin_button,
-                             gdouble       *new_val)
+                             double        *new_val)
 {
-  gint i;
-  gchar *tmp1, *tmp2;
+  int i;
+  char *tmp1, *tmp2;
  gboolean found = FALSE;

  for (i = 1; i <= 12; i++)
@@ -145,17 +145,17 @@ spinbutton_month_spin_input (GtkSpinButton *spin_button,
      *new_val = 0.0;
      return GTK_INPUT_ERROR;
    }
-  *new_val = (gdouble) i;
+  *new_val = (double) i;

  return TRUE;
 }

-gint
+int
 spinbutton_month_spin_output (GtkSpinButton *spin_button)
 {
  GtkAdjustment *adjustment;
-  gdouble value;
-  gint i;
+  double value;
+  int i;

  adjustment = gtk_spin_button_get_adjustment (spin_button);
  value = gtk_adjustment_get_value (adjustment);
@@ -40,8 +40,8 @@
            <property name="mnemonic-widget">basic_spin</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -54,8 +54,8 @@
            <property name="digits">2</property>
            <property name="numeric">1</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">0</property>
+              <property name="column">1</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -64,8 +64,8 @@
            <property name="width-chars">10</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">0</property>
+              <property name="column">2</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -76,8 +76,8 @@
            <property name="mnemonic-widget">hex_spin</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -90,8 +90,8 @@
            <signal name="output" handler="spinbutton_hex_spin_output"/>
            <property name="wrap">1</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -100,8 +100,8 @@
            <property name="width-chars">10</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">1</property>
+              <property name="column">2</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -112,8 +112,8 @@
            <property name="mnemonic-widget">time_spin</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">2</property>
+              <property name="column">0</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -126,8 +126,8 @@
            <signal name="output" handler="spinbutton_time_spin_output"/>
            <property name="wrap">1</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -136,8 +136,8 @@
            <property name="width-chars">10</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">2</property>
+              <property name="column">2</property>
+              <property name="row">2</property>
            </layout>
          </object>
        </child>
@@ -148,8 +148,8 @@
            <property name="mnemonic-widget">month_spin</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">3</property>
+              <property name="column">0</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -163,8 +163,8 @@
            <property name="wrap">1</property>
            <property name="update-policy">if-valid</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -173,8 +173,8 @@
            <property name="width-chars">10</property>
            <property name="xalign">1</property>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -10,8 +10,8 @@
            <property name="stack">stack</property>
            <property name="halign">center</property>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">0</property>
+              <property name="column">0</property>
+              <property name="row">0</property>
            </layout>
          </object>
        </child>
@@ -59,8 +59,8 @@
              </object>
            </child>
            <layout>
-              <property name="left-attach">0</property>
-              <property name="top-attach">1</property>
+              <property name="column">0</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -14,7 +14,7 @@
 typedef struct _TreeItem TreeItem;
 struct _TreeItem
 {
-  const gchar    *label;
+  const char     *label;
  gboolean        alex;
  gboolean        havoc;
  gboolean        tim;
@@ -222,7 +222,7 @@ create_model (void)

 static void
 item_toggled (GtkCellRendererToggle *cell,
-              gchar                 *path_str,
+              char                  *path_str,
              gpointer               data)
 {
  GtkTreeModel *model = (GtkTreeModel *)data;
@@ -230,7 +230,7 @@ item_toggled (GtkCellRendererToggle *cell,
  GtkTreeIter iter;
  gboolean toggle_item;

-  gint *column;
+  int *column;

  column = g_object_get_data (G_OBJECT (cell), "column");

@@ -252,7 +252,7 @@ item_toggled (GtkCellRendererToggle *cell,
 static void
 add_columns (GtkTreeView *treeview)
 {
-  gint col_offset;
+  int col_offset;
  GtkCellRenderer *renderer;
  GtkTreeViewColumn *column;
  GtkTreeModel *model = gtk_tree_view_get_model (treeview);
@@ -272,7 +272,7 @@ add_columns (GtkTreeView *treeview)
  /* alex column */
  renderer = gtk_cell_renderer_toggle_new ();
  g_object_set (renderer, "xalign", 0.0, NULL);
-  g_object_set_data (G_OBJECT (renderer), "column", (gint *)ALEX_COLUMN);
+  g_object_set_data (G_OBJECT (renderer), "column", (int *)ALEX_COLUMN);

  g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

@@ -294,7 +294,7 @@ add_columns (GtkTreeView *treeview)
  /* havoc column */
  renderer = gtk_cell_renderer_toggle_new ();
  g_object_set (renderer, "xalign", 0.0, NULL);
-  g_object_set_data (G_OBJECT (renderer), "column", (gint *)HAVOC_COLUMN);
+  g_object_set_data (G_OBJECT (renderer), "column", (int *)HAVOC_COLUMN);

  g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

@@ -315,7 +315,7 @@ add_columns (GtkTreeView *treeview)
  /* tim column */
  renderer = gtk_cell_renderer_toggle_new ();
  g_object_set (renderer, "xalign", 0.0, NULL);
-  g_object_set_data (G_OBJECT (renderer), "column", (gint *)TIM_COLUMN);
+  g_object_set_data (G_OBJECT (renderer), "column", (int *)TIM_COLUMN);

  g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

@@ -337,7 +337,7 @@ add_columns (GtkTreeView *treeview)
  /* owen column */
  renderer = gtk_cell_renderer_toggle_new ();
  g_object_set (renderer, "xalign", 0.0, NULL);
-  g_object_set_data (G_OBJECT (renderer), "column", (gint *)OWEN_COLUMN);
+  g_object_set_data (G_OBJECT (renderer), "column", (int *)OWEN_COLUMN);

  g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

@@ -358,7 +358,7 @@ add_columns (GtkTreeView *treeview)
  /* dave column */
  renderer = gtk_cell_renderer_toggle_new ();
  g_object_set (renderer, "xalign", 0.0, NULL);
-  g_object_set_data (G_OBJECT (renderer), "column", (gint *)DAVE_COLUMN);
+  g_object_set_data (G_OBJECT (renderer), "column", (int *)DAVE_COLUMN);

  g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);

@@ -43,7 +43,7 @@ about_activated (GSimpleAction *action,
                 gpointer       user_data)
 {
  GtkApplication *app = user_data;
-  const gchar *authors[] = {
+  const char *authors[] = {
    "The GTK Team",
    NULL
  };
@@ -103,7 +103,7 @@ static GActionEntry app_entries[] =
 static void
 icon_browser_app_startup (GApplication *app)
 {
-  const gchar *quit_accels[2] = { "<Ctrl>Q", NULL };
+  const char *quit_accels[2] = { "<Ctrl>Q", NULL };

  G_APPLICATION_CLASS (icon_browser_app_parent_class)->startup (app);

@@ -44,13 +44,13 @@ icon_browser_window_get_icon_theme (IconBrowserWindow *win)

 static void
 add_icon (IconBrowserWindow *win,
-          const gchar       *name,
-          const gchar       *description,
-          const gchar       *context)
+          const char        *name,
+          const char        *description,
+          const char        *context)
 {
  GtkIconTheme *icon_theme = icon_browser_window_get_icon_theme (win);
-  gchar *regular_name;
-  gchar *symbolic_name;
+  char *regular_name;
+  char *symbolic_name;
  IbIcon *icon;

  regular_name = g_strdup (name);
@@ -77,9 +77,9 @@ add_icon (IconBrowserWindow *win,

 static void
 add_context (IconBrowserWindow *win,
-             const gchar       *id,
-             const gchar       *name,
-             const gchar       *description)
+             const char        *id,
+             const char        *name,
+             const char        *description)
 {
  IbContext *context;

@@ -161,7 +161,7 @@ copy_to_clipboard (GtkButton         *button,
 }

 static void
-set_image (GtkWidget *image, const gchar *name, gint size)
+set_image (GtkWidget *image, const char *name, int size)
 {
  gtk_image_set_from_icon_name (GTK_IMAGE (image), name);
  gtk_image_set_pixel_size (GTK_IMAGE (image), size);
@@ -219,7 +219,7 @@ item_activated (GtkGridView       *view,
 static GdkPaintable *
 get_image_paintable (GtkImage *image)
 {
-  const gchar *icon_name;
+  const char *icon_name;
  GtkIconTheme *icon_theme;
  GtkIconPaintable *icon;
  int size;
@@ -18,3 +18,19 @@ executable('gtk4-icon-browser',
           gui_app: true,
           link_args: extra_demo_ldflags,
           install: true)
+
+# icons
+icontheme_dir = join_paths(gtk_datadir, 'icons/hicolor')
+
+foreach size: ['scalable', 'symbolic']
+  install_subdir('data/' + size,
+    install_dir: icontheme_dir
+  )
+endforeach
+
+# desktop file
+install_data('org.gtk.IconBrowser4.desktop', install_dir: gtk_applicationsdir)
+
+# appdata
+install_data('org.gtk.IconBrowser4.appdata.xml', install_dir: gtk_appdatadir)
+
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop">
+  <id>org.gtk.IconBrowser4.desktop</id>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>LGPL-2.0+</project_license>
+  <name>GTK Icon Browser</name>
+  <summary>Program to browse themed icons</summary>
+  <description>
+    <p>
+      GTK Icon Browser is a simple application to show themed icons that
+      are available on the system.
+    </p>
+  </description>
+  <screenshots>
+    <screenshot>
+      <image>https://static.gnome.org/appdata/gtk4-icon-browser/gtk-icon-browser1.png</image>
+      <caption>Icon Browser</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://static.gnome.org/appdata/gtk4-icon-browser/gtk-icon-browser2.png</image>
+      <caption>Search</caption>
+    </screenshot>
+  </screenshots>
+  <kudos>
+    <kudo>HiDpiIcon</kudo>
+    <kudo>ModernToolkit</kudo>
+  </kudos>
+  <url type="homepage">https://www.gtk.org</url>
+  <translation type="gettext">gtk-4.0</translation>
+  <update_contact>matthias.clasen_at_gmail.com</update_contact>
+  <developer_name>Matthias Clasen and others</developer_name>
+  <releases>
+    <release version="3.99.0" date="2020-07-30">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
+    <release version="3.94.0" date="2018-06-25">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
+  </releases>
+</component>
@@ -245,12 +245,9 @@
              <object class="GtkImage" id="image1">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label1"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">0</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -258,12 +255,9 @@
             <object class="GtkImage" id="image2">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label2"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">1</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -271,12 +265,9 @@
              <object class="GtkImage" id="image3">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label3"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">2</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">2</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -284,12 +275,9 @@
              <object class="GtkImage" id="image4">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label4"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">3</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">3</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -297,12 +285,9 @@
              <object class="GtkImage" id="image5">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label5"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">4</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">4</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -310,12 +295,9 @@
              <object class="GtkImage" id="image6">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label5"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">5</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">5</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -323,12 +305,9 @@
              <object class="GtkImage" id="image7">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label5"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">6</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">6</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -336,12 +315,9 @@
              <object class="GtkImage" id="image8">
                <property name="halign">center</property>
                <property name="valign">end</property>
-                <accessibility>
-                  <relation type="labelled-by" target="label6"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">7</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">7</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -353,12 +329,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image1"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">0</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -370,12 +343,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image2"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">1</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -387,12 +357,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image3"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">2</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">2</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -404,12 +371,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image4"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">3</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">3</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -421,12 +385,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image5"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">4</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">4</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -438,12 +399,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image6"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">5</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">5</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -455,12 +413,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image7"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">6</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">6</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -472,12 +427,9 @@
                <style>
                  <class name="dim-label"/>
                </style>
-                <accessibility>
-                  <relation type="label-for" target="image8"/>
-                </accessibility>
                <layout>
-                  <property name="left-attach">7</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">7</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg height="128px" viewBox="0 0 128 128" width="128px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <linearGradient id="a" gradientUnits="userSpaceOnUse" x1="43.000351" x2="85.000351" y1="39.000164" y2="39.000164">
+        <stop offset="0" stop-color="#26a269"/>
+        <stop offset="0.0934161" stop-color="#84e3b7"/>
+        <stop offset="0.330831" stop-color="#26a269"/>
+        <stop offset="0.686952" stop-color="#26a269"/>
+        <stop offset="0.89736" stop-color="#175e3c"/>
+        <stop offset="1" stop-color="#26a269"/>
+    </linearGradient>
+    <linearGradient id="b" gradientUnits="userSpaceOnUse">
+        <stop offset="0" stop-color="#c0bfbc"/>
+        <stop offset="0.154754" stop-color="#ffffff"/>
+        <stop offset="0.433722" stop-color="#bdbbb5"/>
+        <stop offset="0.650505" stop-color="#c1c0ba"/>
+        <stop offset="0.825253" stop-color="#ffffff"/>
+        <stop offset="1" stop-color="#c0bfbc"/>
+    </linearGradient>
+    <linearGradient id="c" gradientTransform="matrix(0.0811899 -0.046875 0.069079 0.119648 307.03142 127.069456)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
+    <linearGradient id="d" gradientTransform="matrix(-0.0811899 -0.046875 -0.069079 0.119648 -177.242852 127.069447)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
+    <linearGradient id="e" gradientUnits="userSpaceOnUse" x1="14" x2="56" y1="94.999964" y2="94.999964">
+        <stop offset="0" stop-color="#813d9c"/>
+        <stop offset="0.109119" stop-color="#b378ca"/>
+        <stop offset="0.241583" stop-color="#813d9c"/>
+        <stop offset="0.731841" stop-color="#813d9c"/>
+        <stop offset="0.872163" stop-color="#4d255d"/>
+        <stop offset="1" stop-color="#813d9c"/>
+    </linearGradient>
+    <linearGradient id="f" gradientUnits="userSpaceOnUse" x1="72" x2="114" y1="94.999964" y2="94.999964">
+        <stop offset="0" stop-color="#e66100"/>
+        <stop offset="0.0678478" stop-color="#ff903e"/>
+        <stop offset="0.168852" stop-color="#e66100"/>
+        <stop offset="0.886626" stop-color="#e66100"/>
+        <stop offset="1" stop-color="#9d4200"/>
+    </linearGradient>
+    <clipPath id="g">
+        <rect height="128" width="128"/>
+    </clipPath>
+    <clipPath id="h">
+        <rect height="128" width="128"/>
+    </clipPath>
+    <filter id="i" height="100%" width="100%" x="0%" y="0%">
+        <feColorMatrix in="SourceGraphic" type="matrix" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/>
+    </filter>
+    <mask id="j">
+        <g clip-path="url(#h)" filter="url(#i)">
+            <g clip-path="url(#g)">
+                <path d="m 51 18 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#a)"/>
+                <path d="m 51 12 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#57e389"/>
+                <path d="m 76.976562 55.453125 c 1.480469 -0.855469 3.371094 -0.347656 4.226563 1.132813 l 6.742187 11.679687 c 0.855469 1.480469 0.347657 3.371094 -1.132812 4.226563 c -1.480469 0.851562 -3.371094 0.347656 -4.226562 -1.132813 l -6.742188 -11.679687 c -0.855469 -1.480469 -0.347656 -3.371094 1.132812 -4.226563 z m 0 0" fill="url(#c)"/>
+                <path d="m 52.8125 55.453125 c -1.480469 -0.855469 -3.371094 -0.347656 -4.226562 1.132813 l -6.742188 11.679687 c -0.855469 1.480469 -0.347656 3.371094 1.132812 4.226563 c 1.480469 0.851562 3.371094 0.347656 4.226563 -1.132813 l 6.742187 -11.679687 c 0.855469 -1.480469 0.347657 -3.371094 -1.132812 -4.226563 z m 0 0" fill="url(#d)"/>
+                <path d="m 22 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#e)"/>
+                <path d="m 22 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#dc8add"/>
+                <path d="m 80 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#f)"/>
+                <path d="m 80 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#ffa348"/>
+            </g>
+        </g>
+    </mask>
+    <mask id="k">
+        <g filter="url(#i)">
+            <rect fill-opacity="0.8" height="128" width="128"/>
+        </g>
+    </mask>
+    <linearGradient id="l" gradientTransform="matrix(0 0.37 -0.98462 0 295.38501 -30.360001)" gradientUnits="userSpaceOnUse" x1="300" x2="428" y1="235" y2="235">
+        <stop offset="0" stop-color="#f9f06b"/>
+        <stop offset="1" stop-color="#f5c211"/>
+    </linearGradient>
+    <clipPath id="m">
+        <rect height="128" width="128"/>
+    </clipPath>
+    <clipPath id="n">
+        <rect height="128" width="128"/>
+    </clipPath>
+    <path d="m 51 18 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#a)"/>
+    <path d="m 51 12 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#57e389"/>
+    <path d="m 76.976562 55.453125 c 1.480469 -0.855469 3.371094 -0.347656 4.226563 1.132813 l 6.742187 11.679687 c 0.855469 1.480469 0.347657 3.371094 -1.132812 4.226563 c -1.480469 0.851562 -3.371094 0.347656 -4.226562 -1.132813 l -6.742188 -11.679687 c -0.855469 -1.480469 -0.347656 -3.371094 1.132812 -4.226563 z m 0 0" fill="url(#c)"/>
+    <path d="m 52.8125 55.453125 c -1.480469 -0.855469 -3.371094 -0.347656 -4.226562 1.132813 l -6.742188 11.679687 c -0.855469 1.480469 -0.347656 3.371094 1.132812 4.226563 c 1.480469 0.851562 3.371094 0.347656 4.226563 -1.132813 l 6.742187 -11.679687 c 0.855469 -1.480469 0.347657 -3.371094 -1.132812 -4.226563 z m 0 0" fill="url(#d)"/>
+    <path d="m 22 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#e)"/>
+    <path d="m 22 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#dc8add"/>
+    <path d="m 80 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#f)"/>
+    <path d="m 80 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#ffa348"/>
+    <g clip-path="url(#n)" mask="url(#j)">
+        <g clip-path="url(#m)" mask="url(#k)">
+            <path d="m 128 80.640625 v 47.359375 h -128 v -47.359375 z m 0 0" fill="url(#l)"/>
+            <path d="m 13.308594 80.640625 l 47.355468 47.359375 h 21.214844 l -47.359375 -47.359375 z m 42.421875 0 l 47.363281 47.359375 h 21.214844 l -47.363282 -47.359375 z m 42.429687 0 l 29.839844 29.839844 v -21.210938 l -8.628906 -8.628906 z m -98.160156 7.90625 v 21.214844 l 18.238281 18.238281 h 21.214844 z m 0 0"/>
+        </g>
+    </g>
+</svg>
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg height="128px" viewBox="0 0 128 128" width="128px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <linearGradient id="a" gradientUnits="userSpaceOnUse" x1="43.000351" x2="85.000351" y1="39.000164" y2="39.000164">
+        <stop offset="0" stop-color="#26a269"/>
+        <stop offset="0.0934161" stop-color="#84e3b7"/>
+        <stop offset="0.330831" stop-color="#26a269"/>
+        <stop offset="0.686952" stop-color="#26a269"/>
+        <stop offset="0.89736" stop-color="#175e3c"/>
+        <stop offset="1" stop-color="#26a269"/>
+    </linearGradient>
+    <linearGradient id="b" gradientUnits="userSpaceOnUse">
+        <stop offset="0" stop-color="#c0bfbc"/>
+        <stop offset="0.154754" stop-color="#ffffff"/>
+        <stop offset="0.433722" stop-color="#bdbbb5"/>
+        <stop offset="0.650505" stop-color="#c1c0ba"/>
+        <stop offset="0.825253" stop-color="#ffffff"/>
+        <stop offset="1" stop-color="#c0bfbc"/>
+    </linearGradient>
+    <linearGradient id="c" gradientTransform="matrix(0.0811899 -0.046875 0.069079 0.119648 307.03142 127.069456)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
+    <linearGradient id="d" gradientTransform="matrix(-0.0811899 -0.046875 -0.069079 0.119648 -177.242852 127.069447)" x1="-1710.210571" x2="-1774.45166" xlink:href="#b" y1="-1202.376709" y2="-1202.376709"/>
+    <linearGradient id="e" gradientUnits="userSpaceOnUse" x1="14" x2="56" y1="94.999964" y2="94.999964">
+        <stop offset="0" stop-color="#813d9c"/>
+        <stop offset="0.109119" stop-color="#b378ca"/>
+        <stop offset="0.241583" stop-color="#813d9c"/>
+        <stop offset="0.731841" stop-color="#813d9c"/>
+        <stop offset="0.872163" stop-color="#4d255d"/>
+        <stop offset="1" stop-color="#813d9c"/>
+    </linearGradient>
+    <linearGradient id="f" gradientUnits="userSpaceOnUse" x1="72" x2="114" y1="94.999964" y2="94.999964">
+        <stop offset="0" stop-color="#e66100"/>
+        <stop offset="0.0678478" stop-color="#ff903e"/>
+        <stop offset="0.168852" stop-color="#e66100"/>
+        <stop offset="0.886626" stop-color="#e66100"/>
+        <stop offset="1" stop-color="#9d4200"/>
+    </linearGradient>
+    <path d="m 51 18 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#a)"/>
+    <path d="m 51 12 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#57e389"/>
+    <path d="m 76.976562 55.453125 c 1.480469 -0.855469 3.371094 -0.347656 4.226563 1.132813 l 6.742187 11.679687 c 0.855469 1.480469 0.347657 3.371094 -1.132812 4.226563 c -1.480469 0.851562 -3.371094 0.347656 -4.226562 -1.132813 l -6.742188 -11.679687 c -0.855469 -1.480469 -0.347656 -3.371094 1.132812 -4.226563 z m 0 0" fill="url(#c)"/>
+    <path d="m 52.8125 55.453125 c -1.480469 -0.855469 -3.371094 -0.347656 -4.226562 1.132813 l -6.742188 11.679687 c -0.855469 1.480469 -0.347656 3.371094 1.132812 4.226563 c 1.480469 0.851562 3.371094 0.347656 4.226563 -1.132813 l 6.742187 -11.679687 c 0.855469 -1.480469 0.347657 -3.371094 -1.132812 -4.226563 z m 0 0" fill="url(#d)"/>
+    <path d="m 22 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#e)"/>
+    <path d="m 22 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#dc8add"/>
+    <path d="m 80 74 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="url(#f)"/>
+    <path d="m 80 68 h 26 c 4.417969 0 8 3.582031 8 8 v 26 c 0 4.417969 -3.582031 8 -8 8 h -26 c -4.417969 0 -8 -3.582031 -8 -8 v -26 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#ffa348"/>
+</svg>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg height="16px" viewBox="0 0 16 16" width="16px" xmlns="http://www.w3.org/2000/svg">
+    <path d="m 5.75 1 c -0.414062 0 -0.75 0.335938 -0.75 0.75 v 4.5 c 0 0.414062 0.335938 0.75 0.75 0.75 h 0.191406 l -1 2 h -3.191406 c -0.414062 0 -0.75 0.335938 -0.75 0.75 v 4.5 c 0 0.414062 0.335938 0.75 0.75 0.75 h 4.5 c 0.414062 0 0.75 -0.335938 0.75 -0.75 v -4.5 c 0 -0.414062 -0.335938 -0.75 -0.75 -0.75 h -0.191406 l 1 -2 h 1.882812 l 1 2 h -0.191406 c -0.414062 0 -0.75 0.335938 -0.75 0.75 v 4.5 c 0 0.414062 0.335938 0.75 0.75 0.75 h 4.5 c 0.414062 0 0.75 -0.335938 0.75 -0.75 v -4.5 c 0 -0.414062 -0.335938 -0.75 -0.75 -0.75 h -3.191406 l -1 -2 h 0.191406 c 0.414062 0 0.75 -0.335938 0.75 -0.75 v -4.5 c 0 -0.414062 -0.335938 -0.75 -0.75 -0.75 z m 0 0"/>
+</svg>
@@ -19,3 +19,12 @@ executable('gtk4-node-editor',
           gui_app: true,
           link_args: extra_demo_ldflags,
           install: false)
+
+# icons
+icontheme_dir = join_paths(gtk_datadir, 'icons/hicolor')
+
+foreach size: ['scalable', 'symbolic']
+  install_subdir('data/' + size,
+    install_dir: icontheme_dir
+  )
+endforeach
@@ -101,7 +101,7 @@ activate_about (GSimpleAction *action,
                         "website", "http://www.gtk.org",
                         "comments", "Program to test GTK rendering",
                         "authors", (const char *[]){ "Benjamin Otte", "Timm Bäder", NULL},
-                         "logo-icon-name", "text-editor-symbolic",
+                         "logo-icon-name", "org.gtk.gtk4.NodeEditor.Devel",
                         "title", "About GTK Node Editor",
                         "system-information", s->str,
                         NULL);
@@ -199,11 +199,11 @@ node_editor_application_activate (GApplication *app)
 static void
 node_editor_application_open (GApplication  *app,
                              GFile        **files,
-                              gint           n_files,
-                              const gchar   *hint)
+                              int            n_files,
+                              const char    *hint)
 {
  NodeEditorWindow *win;
-  gint i;
+  int i;

  for (i = 0; i < n_files; i++)
    {
@@ -80,7 +80,7 @@ text_view_error_free (TextViewError *e)
  g_free (e->message);
 }

-static gchar *
+static char *
 get_current_text (GtkTextBuffer *buffer)
 {
  GtkTextIter start, end;
@@ -288,14 +288,14 @@ text_view_query_tooltip_cb (GtkWidget        *widget,

  if (keyboard_tip)
    {
-      gint offset;
+      int offset;

      g_object_get (self->text_buffer, "cursor-position", &offset, NULL);
      gtk_text_buffer_get_iter_at_offset (self->text_buffer, &iter, offset);
    }
  else
    {
-      gint bx, by, trailing;
+      int bx, by, trailing;

      gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (self->text_view), GTK_TEXT_WINDOW_TEXT,
                                             x, y, &bx, &by);
@@ -399,7 +399,7 @@ node_editor_window_load (NodeEditorWindow *self,

 static void
 open_response_cb (GtkWidget        *dialog,
-                  gint              response,
+                  int               response,
                  NodeEditorWindow *self)
 {
  gtk_widget_hide (dialog);
@@ -448,7 +448,7 @@ open_cb (GtkWidget        *button,

 static void
 save_response_cb (GtkWidget        *dialog,
-                  gint              response,
+                  int               response,
                  NodeEditorWindow *self)
 {
  gtk_widget_hide (dialog);
@@ -577,7 +577,7 @@ create_cairo_texture (NodeEditorWindow *self)

 static void
 export_image_response_cb (GtkWidget  *dialog,
-                          gint        response,
+                          int         response,
                          GdkTexture *texture)
 {
  gtk_widget_hide (dialog);
@@ -38,8 +38,8 @@
          <object class="GtkCheckButton" id="testcase_cairo_checkbutton">
            <property name="label">Render using Cairo renderer</property>
            <layout>
-              <property name="top-attach">1</property>
-              <property name="left-attach">0</property>
+              <property name="row">1</property>
+              <property name="column">0</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -52,8 +52,8 @@
            <property name="use-markup">1</property>
            <property name="max-width-chars">50</property>
            <layout>
-              <property name="top-attach">2</property>
-              <property name="left-attach">0</property>
+              <property name="row">2</property>
+              <property name="column">0</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -64,8 +64,8 @@
            <property name="wrap">1</property>
            <property name="xalign">0</property>
            <layout>
-              <property name="top-attach">3</property>
-              <property name="left-attach">0</property>
+              <property name="row">3</property>
+              <property name="column">0</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -83,8 +83,8 @@
              <class name="suggested-action" />
            </style>
            <layout>
-              <property name="top-attach">4</property>
-              <property name="left-attach">0</property>
+              <property name="row">4</property>
+              <property name="column">0</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -0,0 +1,179 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg height="128px" viewBox="0 0 128 128" width="128px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <defs>
+        <linearGradient id="a" gradientTransform="matrix(0.232143 0 0 0.328947 -7.567033 263.82666)" gradientUnits="userSpaceOnUse" x1="88.595886" x2="536.595886" y1="-449.394012" y2="-449.394012">
+            <stop offset="0" stop-color="#acabae"/>
+            <stop offset="0.0384615" stop-color="#deddda"/>
+            <stop offset="0.0768555" stop-color="#c0bfbc"/>
+            <stop offset="0.923077" stop-color="#c0bfbc"/>
+            <stop offset="0.961538" stop-color="#deddda"/>
+            <stop offset="1" stop-color="#9a9996"/>
+        </linearGradient>
+        <linearGradient id="b" gradientUnits="userSpaceOnUse" x1="26.999876" x2="100.999876" y1="32.999688" y2="32.999688">
+            <stop offset="0" stop-color="#7e7c77"/>
+            <stop offset="0.3" stop-color="#9a9996"/>
+            <stop offset="1" stop-color="#9a9996"/>
+        </linearGradient>
+        <linearGradient id="c" gradientUnits="userSpaceOnUse" x1="67.467916" x2="67.467916" y1="83.999688" y2="36.782906">
+            <stop offset="0" stop-color="#deddda"/>
+            <stop offset="1" stop-color="#c0bfbc"/>
+        </linearGradient>
+        <clipPath id="d">
+            <path d="m 79 72 h 15 v 16 h -15 z m 0 0"/>
+        </clipPath>
+        <clipPath id="e">
+            <path d="m 93.21875 72.921875 l -14.21875 14.21875 h -4.0625 v -18.28125 h 18.28125 z m 0 0"/>
+        </clipPath>
+        <linearGradient id="f" gradientTransform="matrix(0 0.126951 0.126951 0 76.460862 36.359884)" gradientUnits="userSpaceOnUse" x1="344" x2="340" y1="76" y2="72">
+            <stop offset="0" stop-color="#d5d3cf"/>
+            <stop offset="1" stop-color="#ffffff"/>
+        </linearGradient>
+        <filter id="g" height="100%" width="100%" x="0%" y="0%">
+            <feColorMatrix in="SourceGraphic" type="matrix" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/>
+        </filter>
+        <mask id="h">
+            <g filter="url(#g)">
+                <rect fill-opacity="0.396" height="128" width="128"/>
+            </g>
+        </mask>
+        <linearGradient id="i" gradientUnits="userSpaceOnUse">
+            <stop offset="0" stop-color="#1c71d8"/>
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+    <mask id="h">
+        <g filter="url(#g)">
+            <rect fill-opacity="0.396" height="128" width="128"/>
+        </g>
+    </mask>
+    <clipPath id="i">
+        <rect height="152" width="192"/>
+    </clipPath>
+    <linearGradient id="j" gradientUnits="userSpaceOnUse">
+        <stop offset="0" stop-color="#1c71d8"/>
+        <stop offset="0.323117" stop-color="#62a0ea"/>
+        <stop offset="0.59387" stop-color="#1b5aa6"/>
+        <stop offset="1" stop-color="#1c71d8"/>
+    </linearGradient>
+    <linearGradient id="k" gradientTransform="matrix(1.597748 1.597748 -1.06066 1.06066 -56.853041 -543.720139)" x1="224.504562" x2="231.453873" xlink:href="#j" y1="282.5" y2="282.5"/>
+    <radialGradient id="l" cx="227.599915" cy="201.029724" gradientTransform="matrix(4.072817 4.073078 -5.940048 5.939073 373.883117 -2098.049112)" gradientUnits="userSpaceOnUse" r="2.5">
+        <stop offset="0" stop-color="#93bdf1"/>
+        <stop offset="1" stop-color="#1a5fb4"/>
+    </radialGradient>
+    <linearGradient id="m" gradientTransform="matrix(2.121328 2.121328 -2.174353 2.174353 181.766074 -1021.145947)" gradientUnits="userSpaceOnUse" x1="226.90625" x2="228.86203" y1="288.75" y2="288.767151">
+        <stop offset="0" stop-color="#77767b"/>
+        <stop offset="0.443872" stop-color="#f6f5f4"/>
+        <stop offset="1" stop-color="#5e5c64"/>
+    </linearGradient>
+    <linearGradient id="n" gradientTransform="matrix(1.258421 1.258421 -1.06066 1.06066 57.381892 -503.024312)" gradientUnits="userSpaceOnUse" x1="223.1875" x2="233.0625" y1="278" y2="278">
+        <stop offset="0" stop-color="#ffa348"/>
+        <stop offset="0.265823" stop-color="#ffd7af"/>
+        <stop offset="0.734177" stop-color="#ff8d1c"/>
+        <stop offset="1" stop-color="#ffa348"/>
+    </linearGradient>
+    <linearGradient id="o" gradientTransform="matrix(1.573027 1.573027 -1.06066 1.06066 -14.348129 -574.754333)" x1="224.504562" x2="231.453873" xlink:href="#j" y1="282.5" y2="282.5"/>
+    <path d="m 21 16 c -4.433594 0 -8 3.566406 -8 8 v 84 c 0 4.433594 3.566406 8 8 8 h 4 v -4 h 80 v 4 h 4 c 4.433594 0 8 -3.566406 8 -8 v -84 c 0 -4.433594 -3.566406 -8 -8 -8 z m 0 0" fill="url(#a)"/>
+    <path d="m 21 12 h 88 c 4.417969 0 8 3.582031 8 8 v 68 c 0 4.417969 -3.582031 8 -8 8 h -88 c -4.417969 0 -8 -3.582031 -8 -8 v -68 c 0 -4.417969 3.582031 -8 8 -8 z m 0 0" fill="#deddda"/>
+    <path d="m 27 28 h 74 v 10 h -74 z m 0 0" fill="url(#b)"/>
+    <path d="m 27 38 h 74 v 46 h -74 z m 0 0" fill="url(#c)"/>
+    <path d="m 24 33 c 0 1.65625 -1.34375 3 -3 3 s -3 -1.34375 -3 -3 s 1.34375 -3 3 -3 s 3 1.34375 3 3 z m 0 0" fill="#bf5f00" fill-opacity="0.964567"/>
+    <g fill-opacity="0.984252">
+        <path d="m 18 40 h 6 v 12 h -6 z m 0 0" fill="#acacac"/>
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+    <path d="m 37 34 h 56 c 1.105469 0 2 0.894531 2 2 s -0.894531 2 -2 2 h -56 c -1.105469 0 -2 -0.894531 -2 -2 s 0.894531 -2 2 -2 z m 0 0" fill-opacity="0.940945"/>
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+    <g clip-path="url(#d)">
+        <g clip-path="url(#e)">
+            <path d="m 79 77.386719 v 9.351562 c 0 2.464844 2 4.464844 4.464844 4.464844 h 9.351562 c 2.464844 0 4.464844 -2 4.464844 -4.464844 v -9.351562 c 0 -2.464844 -2 -4.464844 -4.464844 -4.464844 h -9.351562 c -2.464844 0 -4.464844 2 -4.464844 4.464844 z m 0 0" fill="url(#f)"/>
+        </g>
+    </g>
+    <path d="m 27 100 h 76 c 1.109375 0 2 0.890625 2 2 v 10 h -80 v -10 c 0 -1.109375 0.890625 -2 2 -2 z m 0 0" fill="#5e5c64" fill-opacity="0.940945"/>
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+    <path d="m 27 38 v 46 l 6 -46 z m 0 0" fill="#7e7c77" fill-opacity="0.11811"/>
+    <path d="m 24 32 c 0 1.65625 -1.34375 3 -3 3 s -3 -1.34375 -3 -3 s 1.34375 -3 3 -3 s 3 1.34375 3 3 z m 0 0" fill="#ffa348" fill-opacity="0.964567"/>
+    <g clip-path="url(#i)" mask="url(#h)" transform="matrix(1 0 0 1 -8 -16)">
+        <path d="m 29 112 c -4.433594 0 -8 -3.566406 -8 -8 v -2 c 0 4.433594 3.566406 8 8 8 h 88 c 4.433594 0 8 -3.566406 8 -8 v 2 c 0 4.433594 -3.566406 8 -8 8 z m 0 0" fill="#f6f5f4"/>
+    </g>
+    <path d="m 89.503906 31.144531 l 10.066406 10.066407 l -41.71875 41.71875 l -10.066406 -10.066407 z m 0 0" fill="#ffa348"/>
+    <path d="m 88.246094 29.886719 l 7.550781 7.550781 l -41.71875 41.71875 l -7.550781 -7.550781 z m 0 0" fill="#ff7800"/>
+    <path d="m 86.789062 28.429688 l 2.515626 2.515624 l -41.71875 41.71875 l -2.515626 -2.515624 z m 0 0" fill="#ffbe6f"/>
+    <path d="m 121.898438 -0.101562 c -4.855469 0.921874 -11.730469 5.152343 -18.140626 11.558593 l -16.96875 16.972657 l 12.78125 12.78125 l 16.972657 -16.972657 c 6.40625 -6.40625 10.636719 -13.28125 11.558593 -18.136719 z m 0 0" fill="url(#k)"/>
+    <path d="m 110.011719 13.882812 c -2.1875 -0.398437 -5.421875 0.988282 -8.167969 3.730469 l -11.871094 11.875 l -6.6875 6.6875 c -4.800781 4.800781 -9.234375 12.007813 -9.648437 13.042969 c -0.484375 1.207031 -0.449219 2.730469 0.953125 4.136719 c 1.40625 1.40625 2.917968 1.441406 4.136718 0.953125 c 1.035157 -0.414063 8.292969 -4.984375 13.042969 -9.648438 l 2.402344 -2.398437 l 16.160156 -16.160157 c 2.742188 -2.746093 4.128907 -5.976562 3.730469 -8.167968 c -0.742188 1.390625 -1.859375 2.902344 -3.308594 4.347656 l -13.996094 13.996094 l -5.089843 -5.089844 l 13.996093 -13.996094 c 1.445313 -1.445312 2.960938 -2.566406 4.347657 -3.308594 z m 0 0" fill="url(#l)"/>
+    <path d="m 95.273438 36.914062 l -2.960938 2.960938 l -2.398438 2.402344 c -4.90625 5.101562 -11.855468 10.828125 -11.855468 10.828125 c 1.011718 -0.433594 8.167968 -5.101563 12.914062 -9.769531 l 2.402344 -2.402344 l 2.960938 -2.957032 z m 0 0" fill="#62a0ea"/>
+    <path d="m 87.320312 26.835938 l 13.789063 13.789062 c 0.292969 0.292969 0.292969 0.769531 0 1.0625 s -0.769531 0.292969 -1.0625 0 l -13.789063 -13.789062 c -0.292968 -0.292969 -0.292968 -0.769532 0 -1.0625 c 0.292969 -0.289063 0.769532 -0.289063 1.0625 0 z m 0 0" fill="#3584e4"/>
+    <path d="m 42.421875 89.765625 c -3 3 -6.382813 4.484375 -7.554687 3.3125 c -1.171876 -1.171875 0.3125 -4.554687 3.3125 -7.554687 c 3.003906 -3.003907 6.386718 -4.488282 7.558593 -3.316407 s -0.3125 4.554688 -3.316406 7.558594 z m 0 0" fill="url(#m)"/>
+    <path d="m 45.269531 70.347656 l -7.851562 12.511719 l 7.835937 7.925781 l 12.597656 -7.855468 z m -6.039062 13.171875 l 5.449219 5.449219 c 0.347656 0.347656 0.449218 0.933594 0.097656 1.160156 c -0.886719 0.570313 -2.9375 1.539063 -2.9375 1.539063 c -0.25 0.128906 -0.539063 0.164062 -0.773438 -0.066407 l -4.546875 -4.550781 c -0.234375 -0.230469 -0.207031 -0.527343 -0.066406 -0.773437 l 1.617187 -2.859375 c 0.207032 -0.363281 0.8125 -0.25 1.160157 0.101562 z m 0 0" fill="url(#n)"/>
+    <path d="m 43.332031 74.777344 l 9.867188 9.867187 c 0.394531 0.390625 0.476562 0.871094 0.128906 1.066407 l -7.710937 5.253906 c -0.308594 0.210937 -0.785157 0.160156 -1.171876 -0.226563 l -6.984374 -6.988281 c -0.386719 -0.386719 -0.4375 -0.859375 -0.230469 -1.167969 l 5.234375 -7.8125 c 0.125 -0.285156 0.558594 -0.304687 0.867187 0.007813 z m 0 0" fill="url(#o)"/>
+</svg>
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg height="16px" viewBox="0 0 16 16" width="16px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <filter id="a" height="100%" width="100%" x="0%" y="0%">
+        <feColorMatrix in="SourceGraphic" type="matrix" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/>
+    </filter>
+    <mask id="b">
+        <g filter="url(#a)">
+            <rect fill-opacity="0.396" height="16" width="16"/>
+        </g>
+    </mask>
+    <clipPath id="c">
+        <rect height="152" width="192"/>
+    </clipPath>
+    <g clip-path="url(#c)" mask="url(#b)" transform="matrix(1 0 0 1 -168 -16)">
+        <path d="m 29 112 c -4.433594 0 -8 -3.566406 -8 -8 v -2 c 0 4.433594 3.566406 8 8 8 h 88 c 4.433594 0 8 -3.566406 8 -8 v 2 c 0 4.433594 -3.566406 8 -8 8 z m 0 0" fill="#f6f5f4"/>
+    </g>
+    <g fill="#2e3436">
+        <path d="m 4 2 v 2 h 5.585938 l 2 -2 z m -2 3 c -0.5 0 -1 0.5 -1 1 v 4 c 0 0.5 0.5 1 1 1 h 1 v -2 h 2 c 0 -0.265625 0.105469 -0.519531 0.292969 -0.707031 l 3.292969 -3.292969 z m 11.414062 0 l -4 4 h 3.585938 v 2 h 1 c 0.5 0 1 -0.5 1 -1 v -4 c 0 -0.5 -0.5 -1 -1 -1 z m -9.414062 5 v 5 h 8 v -5 h -3.585938 l -0.707031 0.707031 c -0.1875 0.1875 -0.441406 0.292969 -0.707031 0.292969 h -1 c -0.550781 0 -1 -0.449219 -1 -1 z m 0 0"/>
+        <path d="m 6 10 h 1 l 9 -9 l -1 -1 l -9 9 z m 0 0"/>
+    </g>
+</svg>
@@ -12,3 +12,12 @@ install_data('org.gtk.PrintEditor4.desktop', install_dir: gtk_applicationsdir)

 # appdata
 install_data('org.gtk.PrintEditor4.appdata.xml', install_dir: gtk_appdatadir)
+
+# icons
+icontheme_dir = join_paths(gtk_datadir, 'icons/hicolor')
+
+foreach size: ['scalable', 'symbolic']
+  install_subdir('data/' + size,
+    install_dir: icontheme_dir
+  )
+endforeach
@@ -25,7 +25,7 @@
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
  <releases>
-    <release version="3.99.0" date="2020">
+    <release version="3.99.0" date="2020-07-30">
      <description>
        <p>A new developers snapshot towards GTK 4.0.</p>
      </description>
@@ -2,7 +2,7 @@
 Name=Print Editor
 Comment=A simple editor demonstrating GTK printing
 Exec=gtk4-print-editor %f
-Icon=text-editor-symbolic
+Icon=org.gtk.PrintEditor4.Devel
 Terminal=false
 Type=Application
 StartupNotify=true
@@ -33,8 +33,8 @@ update_title (GtkWindow *window)
 static void
 update_statusbar (void)
 {
-  gchar *msg;
-  gint row, col;
+  char *msg;
+  int row, col;
  GtkTextIter iter;
  const char *print_str;

@@ -633,7 +633,7 @@ activate_about (GSimpleAction *action,
                         "website", "http://www.gtk.org",
                         "comments", "Program to demonstrate GTK printing",
                         "authors", (const char *[]){ "Alexander Larsson", NULL },
-                         "logo-icon-name", "text-editor-symbolic",
+                         "logo-icon-name", "org.gtk.PrintEditor4.Devel",
                         "title", "About GTK Print Editor",
                         "system-information", sysinfo->str,
                         NULL);
@@ -675,7 +675,7 @@ static GActionEntry app_entries[] = {
  { "print", activate_print, NULL, NULL, NULL }
 };

-static const gchar ui_info[] =
+static const char ui_info[] =
  "<interface>"
  "  <menu id='menubar'>"
  "    <submenu>"
@@ -781,6 +781,8 @@ activate (GApplication *app)
  gtk_application_window_set_show_menubar (GTK_APPLICATION_WINDOW (main_window), TRUE);
  update_title (GTK_WINDOW (main_window));

+  gtk_widget_add_css_class (main_window, "devel");
+
  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
  gtk_window_set_child (GTK_WINDOW (main_window), box);

@@ -32,6 +32,11 @@
  <update_contact>matthias.clasen_at_gmail.com</update_contact>
  <developer_name>Matthias Clasen and others</developer_name>
  <releases>
+    <release version="3.99.0" date="2020-07-30">
+      <description>
+        <p>A new developers snapshot towards GTK 4.0.</p>
+      </description>
+    </release>
    <release version="3.94.0" date="2018-06-25">
      <description>
        <p>A new developers snapshot towards GTK 4.0.</p>
@@ -139,9 +139,9 @@ get_busy (GSimpleAction *action,
  gtk_widget_set_sensitive (window, FALSE);
 }

-static gint current_page = 0;
+static int current_page = 0;
 static gboolean
-on_page (gint i)
+on_page (int i)
 {
  return current_page == i;
 }
@@ -250,12 +250,12 @@ activate_about (GSimpleAction *action,
                gpointer       user_data)
 {
  GtkApplication *app = user_data;
-  const gchar *authors[] = {
+  const char *authors[] = {
    "Andrea Cimitan",
    "Cosimo Cecchi",
    NULL
  };
-  gchar *version;
+  char *version;
  GString *s;

  s = g_string_new ("");
@@ -422,8 +422,8 @@ static void
 spin_value_changed (GtkAdjustment *adjustment, GtkWidget *label)
 {
  GtkWidget *w;
-  gint v;
-  gchar *text;
+  int v;
+  char *text;

  v = (int)gtk_adjustment_get_value (adjustment);

@@ -454,8 +454,8 @@ spin_value_reset (GtkWidget *button, GtkAdjustment *adjustment)
  dismiss (button);
 }

-static gint pulse_time = 250;
-static gint pulse_entry_mode = 0;
+static int pulse_time = 250;
+static int pulse_entry_mode = 0;

 static void
 remove_pulse (gpointer pulse_id)
@@ -482,7 +482,7 @@ pulse_it (GtkWidget *widget)
 static void
 update_pulse_time (GtkAdjustment *adjustment, GtkWidget *widget)
 {
-  gdouble value;
+  double value;
  guint pulse_id;

  value = gtk_adjustment_get_value (adjustment);
@@ -537,12 +537,12 @@ on_entry_icon_release (GtkEntry            *entry,

 static void
 on_scale_button_value_changed (GtkScaleButton *button,
-                               gdouble         value,
+                               double          value,
                               gpointer        user_data)
 {
  GtkAdjustment *adjustment;
-  gdouble val;
-  gchar *str;
+  double val;
+  char *str;

  adjustment = gtk_scale_button_get_adjustment (button);
  val = gtk_scale_button_get_value (button);
@@ -557,15 +557,14 @@ on_scale_button_value_changed (GtkScaleButton *button,
    }
  else
    {
-      gint percent;
+      int percent;

-      percent = (gint) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
+      percent = (int) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);

      str = g_strdup_printf (C_("volume percentage", "%d %%"), percent);
    }

  gtk_widget_set_tooltip_text (GTK_WIDGET (button), str);
-  atk_object_set_description (gtk_widget_get_accessible (GTK_WIDGET (button)), str);

  g_free (str);
 }
@@ -627,7 +626,7 @@ static void
 on_range_from_changed (GtkSpinButton *from)
 {
  GtkSpinButton *to;
-  gint v1, v2;
+  int v1, v2;

  to = GTK_SPIN_BUTTON (g_object_get_data (G_OBJECT (from), "range_to_spin"));

@@ -642,7 +641,7 @@ static void
 on_range_to_changed (GtkSpinButton *to)
 {
  GtkSpinButton *from;
-  gint v1, v2;
+  int v1, v2;

  from = GTK_SPIN_BUTTON (g_object_get_data (G_OBJECT (to), "range_from_spin"));

@@ -654,7 +653,7 @@ on_range_to_changed (GtkSpinButton *to)
 }

 static void
-info_bar_response (GtkWidget *infobar, gint response_id)
+info_bar_response (GtkWidget *infobar, int response_id)
 {
  if (response_id == GTK_RESPONSE_CLOSE)
    gtk_widget_hide (infobar);
@@ -703,7 +702,7 @@ action_dialog_button_clicked (GtkButton *button, GtkWidget *page)
 static void
 page_changed_cb (GtkWidget *stack, GParamSpec *pspec, gpointer data)
 {
-  const gchar *name;
+  const char *name;
  GtkWidget *window;
  GtkWidget *page;

@@ -853,10 +852,10 @@ update_title_header (GtkListBoxRow *row,
                     gpointer       data)
 {
  GtkWidget *header;
-  gchar *title;
+  char *title;

  header = gtk_list_box_row_get_header (row);
-  title = (gchar *)g_object_get_data (G_OBJECT (row), "title");
+  title = (char *)g_object_get_data (G_OBJECT (row), "title");
  if (!header && title)
    {
      title = g_strdup_printf ("<b>%s</b>", title);
@@ -881,8 +880,8 @@ overshot (GtkScrolledWindow *sw, GtkPositionType pos, GtkWidget *widget)
 {
  GtkWidget *box, *row, *label, *swatch;
  GdkRGBA rgba;
-  const gchar *color;
-  gchar *text;
+  const char *color;
+  char *text;
  GtkWidget *silver;
  GtkWidget *gold;

@@ -983,7 +982,7 @@ set_color (GtkListBox *box, GtkListBoxRow *row, GtkColorChooser *chooser)
 static void
 populate_colors (GtkWidget *widget, GtkWidget *chooser)
 {
-  struct { const gchar *name; const gchar *color; const gchar *title; } colors[] = {
+  struct { const char *name; const char *color; const char *title; } colors[] = {
    { "2.5", "#C8828C", "Red" },
    { "5", "#C98286", NULL },
    { "7.5", "#C9827F", NULL },
@@ -1025,7 +1024,7 @@ populate_colors (GtkWidget *widget, GtkWidget *chooser)
    { "7.5", "#C48299", NULL },
    { "10", "#C68292", NULL }
  };
-  gint i;
+  int i;
  GtkWidget *row, *box, *label, *swatch;
  GtkWidget *sw;
  GdkRGBA rgba;
@@ -1081,7 +1080,7 @@ populate_colors (GtkWidget *widget, GtkWidget *chooser)

 typedef struct {
  GtkWidget *flowbox;
-  gchar *filename;
+  char *filename;
 } BackgroundData;

 static void
@@ -1127,11 +1126,11 @@ background_loaded_cb (GObject      *source,
 static void
 populate_flowbox (GtkWidget *flowbox)
 {
-  const gchar *location;
+  const char *location;
  GDir *dir;
  GError *error = NULL;
-  const gchar *name;
-  gchar *filename;
+  const char *name;
+  char *filename;
  GFile *file;
  GInputStream *stream;
  BackgroundData *bd;
@@ -1288,7 +1287,7 @@ my_text_view_class_init (MyTextViewClass *class)
 }

 static void
-my_text_view_set_background (MyTextView *tv, const gchar *filename, gboolean is_resource)
+my_text_view_set_background (MyTextView *tv, const char *filename, gboolean is_resource)
 {
  GError *error = NULL;
  GFile *file;
@@ -1331,12 +1330,12 @@ my_text_view_set_adjustment (MyTextView *tv, GtkAdjustment *adjustment)
 }

 static void
-close_selection_dialog (GtkWidget *dialog, gint response, GtkWidget *tv)
+close_selection_dialog (GtkWidget *dialog, int response, GtkWidget *tv)
 {
  GtkWidget *box;
  GtkWidget *child;
  GList *children;
-  const gchar *filename;
+  const char *filename;
  gboolean is_resource;

  gtk_widget_hide (dialog);
@@ -1352,7 +1351,7 @@ close_selection_dialog (GtkWidget *dialog, gint response, GtkWidget *tv)
    return;

  child = children->data;
-  filename = (const gchar *)g_object_get_data (G_OBJECT (child), "filename");
+  filename = (const char *)g_object_get_data (G_OBJECT (child), "filename");
  is_resource = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (child), "is-resource"));

  g_list_free (children);
@@ -1377,8 +1376,8 @@ static void
 handle_insert (GtkWidget *button, GtkWidget *textview)
 {
  GtkTextBuffer *buffer;
-  const gchar *id;
-  const gchar *text;
+  const char *id;
+  const char *text;

  id = gtk_buildable_get_name (GTK_BUILDABLE (button));

@@ -1402,7 +1401,7 @@ handle_cutcopypaste (GtkWidget *button, GtkWidget *textview)
 {
  GtkTextBuffer *buffer;
  GdkClipboard *clipboard;
-  const gchar *id;
+  const char *id;

  clipboard = gtk_widget_get_clipboard (textview);
  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (textview));
@@ -1421,7 +1420,7 @@ handle_cutcopypaste (GtkWidget *button, GtkWidget *textview)
 static void
 clipboard_formats_notify (GdkClipboard *clipboard, GdkEvent *event, GtkWidget *button)
 {
-  const gchar *id;
+  const char *id;
  gboolean has_text;

  id = gtk_buildable_get_name (GTK_BUILDABLE (button));
@@ -1434,7 +1433,7 @@ clipboard_formats_notify (GdkClipboard *clipboard, GdkEvent *event, GtkWidget *b
 static void
 textbuffer_notify_selection (GObject *object, GParamSpec *pspec, GtkWidget *button)
 {
-  const gchar *id;
+  const char *id;
  gboolean has_selection;

  id = gtk_buildable_get_name (GTK_BUILDABLE (button));
@@ -1469,7 +1468,7 @@ page_combo_separator_func (GtkTreeModel *model,
                           GtkTreeIter  *iter,
                           gpointer      data)
 {
-  gchar *text;
+  char *text;
  gboolean res;

  gtk_tree_model_get (model, iter, 0, &text, -1);
@@ -1594,7 +1593,7 @@ text_view_add_to_context_menu (GtkTextView *text_view)
 static void
 open_popover_text_changed (GtkEntry *entry, GParamSpec *pspec, GtkWidget *button)
 {
-  const gchar *text;
+  const char *text;

  text = gtk_editable_get_text (GTK_EDITABLE (entry));
  gtk_widget_set_sensitive (button, strlen (text) > 0);
@@ -1864,8 +1863,8 @@ activate (GApplication *app)
    { "print", activate_print, NULL, NULL, NULL },
  };
  struct {
-    const gchar *action_and_target;
-    const gchar *accelerators[2];
+    const char *action_and_target;
+    const char *accelerators[2];
  } accels[] = {
    { "app.about", { "F1", NULL } },
    { "app.quit", { "<Control>q", NULL } },
@@ -1878,15 +1877,15 @@ activate (GApplication *app)
    { "win.lock", { "<Control>l", NULL } },
  };
  struct {
-    const gchar *action_and_target;
-    const gchar *accelerators[2];
+    const char *action_and_target;
+    const char *accelerators[2];
  } late_accels[] = {
    { "app.cut", { "<Control>x", NULL } },
    { "app.copy", { "<Control>c", NULL } },
    { "app.paste", { "<Control>v", NULL } },
    { "win.delete", { "Delete", NULL } },
  };
-  gint i;
+  int i;
  GPermission *permission;
  GAction *action;
  GError *error = NULL;
@@ -2282,7 +2281,7 @@ main (int argc, char *argv[])
    { "check-off-disabled", NULL, NULL, "false", NULL },
    { "radio-x-disabled", NULL, "s", "'x'", NULL },
  };
-  gint status;
+  int status;

  app = gtk_application_new ("org.gtk.WidgetFactory4", G_APPLICATION_NON_UNIQUE);

@@ -35,7 +35,7 @@
            <attribute name="target">highcontrast-inverse</attribute>
          </item>
        </section>
-      </submenu> 
+      </submenu>
      <item>
        <attribute name="label" translatable="yes">Transition Pages</attribute>
        <attribute name="action">win.transition</attribute>
@@ -639,8 +639,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                  <object class="GtkCheckButton" id="checkbutton2">
                                    <property name="label" translatable="yes">checkbutton</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="top-attach">1</property>
+                                      <property name="column">0</property>
+                                      <property name="row">1</property>
                                    </layout>
                                  </object>
                                </child>
@@ -649,8 +649,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="label" translatable="yes">checkbutton</property>
                                    <property name="inconsistent">1</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="top-attach">2</property>
+                                      <property name="column">0</property>
+                                      <property name="row">2</property>
                                    </layout>
                                  </object>
                                </child>
@@ -660,8 +660,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="sensitive">0</property>
                                    <property name="active">1</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="top-attach">3</property>
+                                      <property name="column">0</property>
+                                      <property name="row">3</property>
                                    </layout>
                                  </object>
                                </child>
@@ -670,8 +670,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="label" translatable="yes">checkbutton</property>
                                    <property name="sensitive">0</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="top-attach">4</property>
+                                      <property name="column">0</property>
+                                      <property name="row">4</property>
                                    </layout>
                                  </object>
                                </child>
@@ -681,8 +681,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="sensitive">0</property>
                                    <property name="inconsistent">1</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="top-attach">5</property>
+                                      <property name="column">0</property>
+                                      <property name="row">5</property>
                                    </layout>
                                  </object>
                                </child>
@@ -691,8 +691,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="label" translatable="yes">radiobutton</property>
                                    <property name="active">1</property>
                                    <layout>
-                                      <property name="left-attach">0</property>
-                                      <property name="left-attach">1</property>
+                                      <property name="column">0</property>
+                                      <property name="column">1</property>
                                    </layout>
                                  </object>
                                </child>
@@ -701,8 +701,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="label" translatable="yes">radiobutton</property>
                                    <property name="group">radiobutton1</property>
                                    <layout>
-                                      <property name="left-attach">1</property>
-                                      <property name="top-attach">1</property>
+                                      <property name="column">1</property>
+                                      <property name="row">1</property>
                                    </layout>
                                  </object>
                                </child>
@@ -712,8 +712,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="inconsistent">1</property>
                                    <property name="group">radiobutton1</property>
                                    <layout>
-                                      <property name="left-attach">1</property>
-                                      <property name="top-attach">2</property>
+                                      <property name="column">1</property>
+                                      <property name="row">2</property>
                                    </layout>
                                  </object>
                                </child>
@@ -722,8 +722,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="label" translatable="yes">radiobutton</property>
                                    <property name="sensitive">0</property>
                                    <layout>
-                                      <property name="left-attach">1</property>
-                                      <property name="top-attach">3</property>
+                                      <property name="column">1</property>
+                                      <property name="row">3</property>
                                    </layout>
                                  </object>
                                </child>
@@ -733,8 +733,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="sensitive">0</property>
                                    <property name="group">radiobutton3</property>
                                    <layout>
-                                      <property name="left-attach">1</property>
-                                      <property name="top-attach">4</property>
+                                      <property name="column">1</property>
+                                      <property name="row">4</property>
                                    </layout>
                                  </object>
                                </child>
@@ -745,8 +745,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="inconsistent">1</property>
                                    <property name="group">radiobutton3</property>
                                    <layout>
-                                      <property name="left-attach">1</property>
-                                      <property name="top-attach">5</property>
+                                      <property name="column">1</property>
+                                      <property name="row">5</property>
                                    </layout>
                                  </object>
                                </child>
@@ -754,15 +754,15 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                  <object class="GtkSpinner" id="spinner1">
                                    <property name="spinning">1</property>
                                    <layout>
-                                      <property name="left-attach">2</property>
+                                      <property name="column">2</property>
                                    </layout>
                                  </object>
                                </child>
                                <child>
                                  <object class="GtkSpinner" id="spinner2">
                                    <layout>
-                                      <property name="left-attach">2</property>
-                                      <property name="top-attach">1</property>
+                                      <property name="column">2</property>
+                                      <property name="row">1</property>
                                    </layout>
                                  </object>
                                </child>
@@ -771,8 +771,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                    <property name="spinning">1</property>
                                    <property name="sensitive">0</property>
                                    <layout>
-                                      <property name="left-attach">2</property>
-                                      <property name="top-attach">3</property>
+                                      <property name="column">2</property>
+                                      <property name="row">3</property>
                                    </layout>
                                  </object>
                                </child>
@@ -780,8 +780,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                  <object class="GtkSpinner" id="spinner4">
                                    <property name="sensitive">0</property>
                                    <layout>
-                                      <property name="left-attach">2</property>
-                                      <property name="top-attach">4</property>
+                                      <property name="column">2</property>
+                                      <property name="row">4</property>
                                    </layout>
                                  </object>
                                </child>
@@ -789,11 +789,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator" id="separator1">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox" id="box19">
                            <property name="orientation">vertical</property>
@@ -889,11 +884,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator" id="separator2">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox" id="box20">
                            <property name="orientation">vertical</property>
@@ -1042,11 +1032,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator" id="separator3">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox" id="box26">
                            <property name="orientation">vertical</property>
@@ -1145,11 +1130,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator" id="separator4">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox" id="box4">
                            <property name="orientation">vertical</property>
@@ -1249,9 +1229,6 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                        </child>
                      </object>
                    </child>
-                    <child>
-                      <object class="GtkSeparator" id="separator5"/>
-                    </child>
                    <child>
                      <object class="GtkBox" id="box5">
                        <property name="spacing">10</property>
@@ -1542,8 +1519,8 @@ Suspendisse feugiat quam quis dolor accumsan cursus.</property>
                                        <property name="value">.5</property>
                                        <property name="halign">center</property>
                                        <layout>
-                                          <property name="left-attach">0</property>
-                                          <property name="top-attach">0</property>
+                                          <property name="column">0</property>
+                                          <property name="row">0</property>
                                        </layout>
                                      </object>
                                    </child>
@@ -1559,8 +1536,8 @@ microphone-sensitivity-medium-symbolic</property>
                                        <property name="halign">center</property>
                                        <signal name="value-changed" handler="on_scale_button_value_changed" swapped="no"/>
                                        <layout>
-                                          <property name="left-attach">0</property>
-                                          <property name="top-attach">1</property>
+                                          <property name="column">0</property>
+                                          <property name="row">1</property>
                                        </layout>
                                      </object>
                                    </child>
@@ -1568,9 +1545,6 @@ microphone-sensitivity-medium-symbolic</property>
                                </child>
                              </object>
                            </child>
-                            <child>
-                              <object class="GtkSeparator"/>
-                            </child>
                            <child>
                              <object class="GtkFrame" id="page2frame1">
                                <child>
@@ -1639,9 +1613,6 @@ microphone-sensitivity-medium-symbolic</property>
                                </child>
                              </object>
                            </child>
-                            <child>
-                              <object class="GtkSeparator"/>
-                            </child>
                            <child>
                              <object class="GtkScrolledWindow">
                                <property name="has-frame">1</property>
@@ -1898,11 +1869,6 @@ microphone-sensitivity-medium-symbolic</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox">
                            <property name="orientation">vertical</property>
@@ -1979,9 +1945,6 @@ microphone-sensitivity-medium-symbolic</property>
                                        </child>
                                      </object>
                                    </child>
-                                    <child>
-                                      <object class="GtkSeparator"/>
-                                    </child>
                                    <child>
                                      <object class="GtkScrolledWindow">
                                        <property name="vexpand">1</property>
@@ -2006,9 +1969,6 @@ microphone-sensitivity-medium-symbolic</property>
                                </child>
                              </object>
                            </child>
-                            <child>
-                              <object class="GtkSeparator"/>
-                            </child>
                            <child>
                              <object class="GtkBox">
                                <child>
@@ -2069,11 +2029,6 @@ microphone-sensitivity-medium-symbolic</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator">
-                            <property name="orientation">vertical</property>
-                          </object>
-                        </child>
                        <child>
                          <object class="GtkBox" id="filler2">
                            <property name="orientation">vertical</property>
@@ -2083,9 +2038,6 @@ microphone-sensitivity-medium-symbolic</property>
                                <property name="halign">center</property>
                              </object>
                            </child>
-                            <child>
-                              <object class="GtkSeparator"/>
-                            </child>
                            <child>
                              <object class="GtkExpander" id="expander1">
                                <property name="expanded">1</property>
@@ -2260,9 +2212,6 @@ microphone-sensitivity-medium-symbolic</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator"/>
-                        </child>
                        <child>
                          <object class="GtkScrolledWindow">
                            <property name="hscrollbar-policy">never</property>
@@ -2278,11 +2227,6 @@ microphone-sensitivity-medium-symbolic</property>
                        </child>
                      </object>
                    </child>
-                    <child>
-                      <object class="GtkSeparator">
-                        <property name="orientation">vertical</property>
-                      </object>
-                    </child>
                    <child>
                      <object class="GtkBox">
                        <property name="orientation">vertical</property>
@@ -2372,9 +2316,6 @@ microphone-sensitivity-medium-symbolic</property>
                            </child>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator"/>
-                        </child>
                        <child>
                          <object class="GtkFrame">
                            <child>
@@ -2852,11 +2793,6 @@ microphone-sensitivity-medium-symbolic</property>
                        </child>
                      </object>
                    </child>
-                    <child>
-                      <object class="GtkSeparator">
-                        <property name="orientation">vertical</property>
-                      </object>
-                    </child>
                    <child>
                      <object class="GtkBox">
                        <property name="orientation">vertical</property>
@@ -2883,9 +2819,6 @@ microphone-sensitivity-medium-symbolic</property>
                            </style>
                          </object>
                        </child>
-                        <child>
-                          <object class="GtkSeparator"/>
-                        </child>
                        <child>
                          <object class="GtkNotebook">
                            <property name="scrollable">1</property>
@@ -3029,9 +2962,6 @@ bad things might happen.</property>
            <property name="margin-top">20</property>
            <property name="margin-bottom">20</property>
            <property name="label" translatable="yes">To free the princess, you have to slay the dragon.</property>
-            <accessibility>
-              <role type="static"/>
-            </accessibility>
          </object>
        </child>
      </object>
@@ -3081,8 +3011,8 @@ bad things might happen.</property>
                  <class name="dim-label"/>
                </style>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">0</property>
+                  <property name="column">0</property>
+                  <property name="row">0</property>
                </layout>
              </object>
            </child>
@@ -3090,8 +3020,8 @@ bad things might happen.</property>
              <object class="GtkEntry" id="details_entry">
                <property name="valign">baseline</property>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">0</property>
+                  <property name="column">1</property>
+                  <property name="row">0</property>
                </layout>
              </object>
            </child>
@@ -3106,8 +3036,8 @@ bad things might happen.</property>
                  <class name="dim-label"/>
                </style>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">0</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -3115,8 +3045,8 @@ bad things might happen.</property>
              <object class="GtkEntry" id="more_details_entry">
                <property name="valign">baseline</property>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">1</property>
+                  <property name="column">1</property>
+                  <property name="row">1</property>
                </layout>
              </object>
            </child>
@@ -3131,8 +3061,8 @@ bad things might happen.</property>
                  <class name="dim-label"/>
                </style>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">0</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -3142,8 +3072,8 @@ bad things might happen.</property>
                <property name="draw-value">0</property>
                <property name="adjustment">adjustment1</property>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">2</property>
+                  <property name="column">1</property>
+                  <property name="row">2</property>
                </layout>
              </object>
            </child>
@@ -3158,8 +3088,8 @@ bad things might happen.</property>
                  <class name="dim-label"/>
                </style>
                <layout>
-                  <property name="left-attach">0</property>
-                  <property name="top-attach">3</property>
+                  <property name="column">0</property>
+                  <property name="row">3</property>
                </layout>
              </object>
            </child>
@@ -3168,8 +3098,8 @@ bad things might happen.</property>
                <property name="halign">start</property>
                <property name="valign">baseline</property>
                <layout>
-                  <property name="left-attach">1</property>
-                  <property name="top-attach">3</property>
+                  <property name="column">1</property>
+                  <property name="row">3</property>
                </layout>
              </object>
            </child>
@@ -3231,9 +3161,6 @@ bad things might happen.</property>
          <object class="GtkLabel" id="title_label">
            <property name="label">Title:</property>
            <property name="xalign">1</property>
-            <accessibility>
-              <relation type="label-for" target="open_popover_entry"/>
-            </accessibility>
          </object>
        </child>
        <child>
@@ -3241,11 +3168,8 @@ bad things might happen.</property>
            <property name="valign">start</property>
            <property name="label">Description:</property>
            <property name="xalign">1</property>
-            <accessibility>
-              <relation type="label-for" target="open_popover_textview"/>
-            </accessibility>
            <layout>
-              <property name="top-attach">1</property>
+              <property name="row">1</property>
            </layout>
          </object>
        </child>
@@ -3259,14 +3183,11 @@ bad things might happen.</property>
            <property name="max-content-width">100</property>
            <child>
              <object class="GtkTextView" id="open_popover_textview">
-                <accessibility>
-                  <relation type="labelled-by" target="description_label"/>
-                </accessibility>
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">1</property>
+              <property name="column">1</property>
+              <property name="row">1</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -3274,11 +3195,8 @@ bad things might happen.</property>
        <child>
          <object class="GtkEntry" id="open_popover_entry">
            <property name="activates-default">1</property>
-            <accessibility>
-              <relation type="labelled-by" target="title_label"/>
-            </accessibility>
            <layout>
-              <property name="left-attach">1</property>
+              <property name="column">1</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -3297,8 +3215,8 @@ bad things might happen.</property>
              </object>
            </child>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">2</property>
+              <property name="column">1</property>
+              <property name="row">2</property>
              <property name="column-span">2</property>
            </layout>
          </object>
@@ -3310,8 +3228,8 @@ bad things might happen.</property>
            <property name="menu-model">gear_menu</property>
            <property name="tooltip-text">This is a menu button</property>
            <layout>
-              <property name="left-attach">1</property>
-              <property name="top-attach">3</property>
+              <property name="column">1</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -3324,8 +3242,8 @@ bad things might happen.</property>
              <class name="suggested-action"/>
            </style>
            <layout>
-              <property name="left-attach">2</property>
-              <property name="top-attach">3</property>
+              <property name="column">2</property>
+              <property name="row">3</property>
            </layout>
          </object>
        </child>
@@ -3357,9 +3275,6 @@ bad things might happen.</property>
    <child>
      <object class="GtkLabel">
        <property name="label">No updates at this time</property>
-        <accessibility>
-          <role type="static"/>
-        </accessibility>
      </object>
    </child>
  </object>
@@ -3368,9 +3283,6 @@ bad things might happen.</property>
    <child>
      <object class="GtkLabel">
        <property name="label">You&apos;re in too deep!</property>
-        <accessibility>
-          <role type="static"/>
-        </accessibility>
      </object>
    </child>
  </object>
--- a/Show More
+++ b/Show More