[gtk+] (88 commits) Non-fast-forward update to branch wip/baedert/gl

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/gl' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  98f5d68... css parser: Reuse one GString
  d323cf3... gl renderer: Restrict textures to current clip
  aa03299... gl renderer: Remove an unnecessary block
  b5308eb... gl driver: Remove some type checks in a hot path
  fa035e3... gl renderer: Avoid some code duplication

Commits added to the branch:

  4878eea... HighContrast: Avoid expander↔combobox interference (*)
  3bcbf4c... themes: Regenerate CSS to reflect recent commits (*)
  ab0edd1... themes: missing specificity bump on expander arrow (*)
  9ef700b... css parser: Reuse one GString (*)
  0e57d17... gl renderer: Remove an unnecessary block (*)
  d1a08aa... gl driver: Remove some type checks in a hot path (*)
  fcc8d77... gl renderer: Avoid some code duplication (*)
  355b883... stack-allocate GtkCssLookup instances (*)
  6b44a70... GdkTexture: Add a missing (array) annotation (*)
  d072201... docs: Don't mention non-longer-existing signals (*)
  361a388... spinner cell: Avoid a crash (*)
  506b436... Revert "text handler: Stop using GtkWidget::event" (*)
  7503414... Revert "treeviewcolumn: Stop using GtkWidget::event" (*)
  5f608a1... Revert "inspector: Stop using GtkWidget::event" (*)
  c0cd463... Drop a no-longer-working test (*)
  ab25638... testsuite: Drop commented out and useless code (*)
  2c22882... Drop an unintentional use of ::destroy-event (*)
  4d6fbdd... Remove testthreads (*)
  bb568a5... Make drawing example work again (*)
  c9267e7... Port drawing example to gestures (*)
  473bbeb... gtk-demo: Port the drawingarea demo to a gesture (*)
  d3014c2... testgtk: Fix the scrolledwindow test (*)
  e522ff0... testgtk: Fix the test scrolling test (*)
  12e4f42... Drop an unused enum value (*)
  48bfc9b... testinput: Make this work again (*)
  9f94736... Remove selection-handling leftovers (*)
  f1e3b50... Make GtkListBoxRow GtkActionable. (*)
  2957265... Add test for GtkActionable GtkListBoxRow. (*)
  a253570... Fix pointer obscuring in text view (*)
  543b214... gsk: Add docs for gsk_texture_node_get_texture (*)
  14d64ea... dnd: Add g-i annotations for gdk_drop_read_async/finish (*)
  6aeae2c... gdk: Drop invalid "transfer" g-i annotations (*)
  7f300c9... examples, gtk-demo: Fix copy-pasta in signal name (*)
  4a999cb... scrolledwindow: Fix code sample compilation (*)
  1c26739... notebook: Make a code snippet compile (*)
  9f86cb2... treeviewcolumn: Make a code snippet compile (*)
  3d94215... expander: Make a code snippet compile (*)
  cf9942e... menuitem: Make a code snippet compile (*)
  3744bbd... searchbar: Make a code snippet compile (*)
  e8376f5... liststore: Make a code snippet compile (*)
  cba2436... Move geometry management docs do GtkWidget (*)
  614bcef... widget: Make all code snippets compile (*)
  5cd138f... entry: Remove some questionable code examples (*)
  3f68475... Make a few more code samples compile (*)
  78f9193... font chooser: Small revision of the UI (*)
  f052635... font chooser: introduce font chooser levels (*)
  70bae02... font button: Remove show-font and show-size (*)
  15f8b2d... font chooser: Add a tweak page (*)
  ade33c6... Add font features on the tweak page (*)
  894a0c0... font chooser: Add properties for features and language (*)
  f259aa7... Bump the pango requirement (*)
  fb51e43... Implement font-variation-settings (*)
  3799700... font button: Take variations into account (*)
  4cc68a9... font chooser: Support font variations (*)
  7687393... font chooser: Don't set hardcoded default features (*)
  34b4de0... font chooser dialog: Improve sensitivity handling (*)
  a79f950... font chooser: Manage tweak button sensitivity (*)
  83c5b66... Update POTFILES.in (*)
  ebeca18... gtk-demo: Update font explorer example (*)
  f94d72c... Update POTFILES.skip (*)
  f55be76... recorder: Fix a button tooltip (*)
  f729cbb... gl renderer: Fix text color pre-multiplication (*)
  af6adb5... gl renderer: Add test case for last commit (*)
  62ccf87... filechooser: Manage spinner state (*)
  a89e88f... widget: Ignore non-gestures in _gtk_widget_consumes_motion (*)
  33162ee... window: Fix an event widget/target mixup (*)
  8a5b6d4... fontchooser: fix feature formatting (*)
  888a157... docs: Remove unused images (*)
  85fa396... widget: Avoid casting event coordinates to int in contains( (*)
  7479e6c... notebook: Fix wrong tab widgets allocation (*)
  ea6da7b... gdk: Convince gtk-doc to include backend docs (*)
  a670de4... Quiet the doc build a bit (*)
  0ed670e... Remove a dead macro (*)
  e41e8c4... font chooser: Fix a memory leak (*)
  3dd3ae1... font chooser: Plug a memory leak (*)
  98da773... label: Plug a memory leak (*)
  407d3db... Plug a memory leak (*)
  50975be... wayland: Plug memory leaks (*)
  079ee7e... Update Arabic translation (*)
  c8770b3... file button: Don't leak rows (*)
  36e09f3... label: Properly handle multi-line selections (*)
  258e504... Implement equal for GtkCssImageUrl (*)
  2bab983... gsk: Fix hexbox drawing for fallback rendering (*)
  550f4bc... gsk: Fix hexbox drawing for the Vulkan renderer (*)
  6e6e6d7... iconview: Prevent ownership transfer of cell out-param in g (*)
  3c38ebb... filechooser: Add missing array annotations to add_choice() (*)
  f6712a9...  gl renderer: Use alpha uniform in inset shadow shader
  dc8716e... gl renderer: Bring back hexbox drawing

(*) This commit already existed in another branch; no separate mail sent