[five-or-more] (19 commits) Non-fast-forward update to branch arnaudb/wip/gtk4

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/wip/gtk4' 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:

  37a9fca... Make on_window_state_event work.
  bfd3c8f... Adapt to MenuButton API.
  7dea9b8... No need to set events.
  eec2e64... Adapt to Box API.
  5b4a84f... Adapt size_allocate.
  067bfce... Adapt to DrawingArea API.
  442aac0... Replace queue_draw_area().
  203e874... Adapt to StyleContext API.
  6ed3020... Comment load_from_data() things.
  2775d59... Adapt UI file.
  bf62c7d... Adapt size_allocate.
  bff37be... Make things mostly work.
  ba6776a... Adapt Preferences UI file.
  2e932e1... Fix background color.
  66abd94... Adapt grid color.
  81ea8e0... Use an AspectFrame.
  97cf8ba... Remove AccelGroup.
  2afa7ac... Fix size_allocate.
  5671399... Use <Control>.

Commits added to the branch:

  261cacc... Make on_window_state_event work.
  4de36e6... Adapt to MenuButton API.
  95c7e64... No need to set events.
  db7fe84... Adapt to Box API.
  ce9b4b4... Adapt size_allocate.
  fb2782f... Adapt to DrawingArea API.
  305d382... Replace queue_draw_area().
  0f22003... Adapt to StyleContext API.
  6c6c46d... Comment load_from_data() things.
  b801929... Adapt UI file.
  2106792... Adapt size_allocate.
  bff7c0b... Make things mostly work.
  a0e7d64... Adapt Preferences UI file.
  b25ce14... Fix background color.
  16fade4... Adapt grid color.
  27043bb... Use an AspectFrame.
  acd33f8... Remove AccelGroup.
  064d613... Fix size_allocate.
  a9f95b5... Use <Control>.