[gtk+] (60 commits) Non-fast-forward update to branch wip/watson/progress-tracker

[Matthew Watson <watson src gnome org>]

The branch 'wip/watson/progress-tracker' 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:

  7827434... progresstracker: simple struct to track animation progress
  07133b2... stack: port to progress tracker
  c3457c6... stack: skip first frame for animations
  5364b7d... revealer: port to progress tracker
  5dbf495... csstransition: port to progress tracker
  44f3d19... cssanimation: port to progress tracker
  e28234f... animatedstyle: fail to create new style if timestamp goes b
  ec585a5... animatedstyle: just ref current style if timestamp the same
  c1cc14e... animatedstyle: rename function
  e8f44e5... styleanimation: don't take timestamp for static/finished
  7761273... styleanimation: rename set_values -> advance_values
  c3e04ba... progresstracker: add GTK_SLOWDONW environment variable
  dcd2587... inspector: add slider to control slowdown factor

Commits added to the branch:

  c4c0029... GDK W32: Print more debug info about events (*)
  692c3b1... GDK W32: Print error code along with the error message (*)
  b9b67e0... GDK W32: Optimize clipboard handling a bit (*)
  12bc02d... Updated Hungarian translation (*)
  258ba6c... gtk3-demo: Rename "CSS Theming" group (*)
  fab9c17... gtk3-demo: Show more button styles (*)
  82bde5b... HighContrastInverse: Fix suggested-action colors (*)
  120c296... Update Catalan translation (*)
  8206b82... Make gdk_visual_get_*_pixel_details work again (*)
  e48e29d... wayland: Fully initialize the visual (*)
  2374e2a... Add a test for the system rgba visual (*)
  e33188a... range: Avoid miscalculating highlight allocation (*)
  7fe1037... range: Simplify highlight allocation (*)
  c448061... Add version macros for 3.22 (*)
  aa4c545... Deprecate gdk_visual_get_bits_per_rgb (*)
  8997311... Add some more visual tests (*)
  c6cdddd... wayland: Fix up visual implementation (*)
  ce0074b... Deprecate gdk_visual_get_byte_order (*)
  f06fc8d... Deprecate gdk_visual_get_colormap_size (*)
  1057f24... wayland: Add debug output for pixel formats (*)
  e2d89b9... Revert "window: Remove suspicious branch" (*)
  6994fe0... Split off copied pango utils in their own source (*)
  8d874cf... Stop using pango_split_file_list (*)
  7249897... Drop irritating FIXMEs in docs (*)
  59d8cba... wayland: Get min/max keycode from xkb keymap (*)
  543ad3a... file chooser: Drop unused code (*)
  b1b271a... Drop some more code (*)
  0d0980f... filter model: Mark property nicks and blurbs for translatio (*)
  cb738bc... Remove private clipboard api from public headers (*)
  100cf24... Add a function to get the selection of a clipboard (*)
  7e15ac8... Add an index for 3.22 api additions (*)
  b989910... scale: cache pango layouts for mark labels (*)
  6efc06e... scale: remove impossible case (*)
  9f48b6b... range: use gadget pointers for grab/mouse locations (*)
  26f9dc6... scale: fix marks node position for scales with value (*)
  efea673... GtkCssSection: remove duplicated documentation (*)
  b6b53fc... GtkClipboard: fix a typo (*)
  5dabfa7... places sidebar: Plug a small memory leak (*)
  568feff... Use dngettext instead of ngettext (*)
  a9f94ba... Updated Lithuanian translation (*)
  aeed695... gtkapplication: _get_app_menu can return NULL (*)
  cd254cc... progresstracker: simple struct to track animation progress
  abd22e5... stack: port to progress tracker
  f37a59f... stack: skip first frame for animations
  1aa1316... revealer: port to progress tracker
  fbd9c54... switch: port to progress tracker
  2446e0b... popover: port to progress tracker
  83c4012... scrolledwindow: port indicator fade to progress tracker
  4128744... progressbar: remove weird code
  5779779... progressbar: port to progress tracker
  3c53ece... csstransition: port to progress tracker
  db745a3... cssanimation: port to progress tracker
  8e5d3f6... animatedstyle: fail to create new style if timestamp goes b
  dcf2100... animatedstyle: just ref current style if timestamp the same
  f74099a... animatedstyle: rename apply_animations -> advance_animation
  867a9bf... animatedstyle: don't share styleanimations
  f8279d5... styleanimation: don't take timestamp for static/finished
  3fa0b8a... styleanimation: rename set_values -> advance_values
  7f79159... progresstracker: add GTK_SLOWDONW environment variable
  c5738c4... inspector: add slider to control slowdown factor

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