[five-or-more] (24 commits) Created branch arnaudb/gtk3

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/gtk3' was created.

Summary of new commits:

  c0ed9fb... Revert "Improve state and size handling."
  f10201d... Revert "Make MessageDialog modal."
  541a64b... Revert "Fix keyboard."
  62938fb... Revert "Try to fix CI."
  473d2cd... Revert "Adapt to Dialog API."
  3b9c325... Revert "Adapt to Box API."
  debf0c6... Revert "Adapt to lggs API."
  65a1615... Revert "Comment a HeaderBar thing."
  980e147... Revert "Adapt to HeaderBar API."
  713000d... Revert "Use an AspectFrame."
  ef0f7e1... Revert "Adapt size_allocate stuff."
  9b96f7c... Revert "Update a method."
  7048a7d... Revert "Use Control."
  eb76ac9... Revert "Remove AccelGroup."
  ca1bdfe... Revert "Adapt to StyleContext API."
  6bbdf03... Revert "Fix background stuff."
  6fd8ca4... Revert "Widgets are visible."
  1a934c3... Revert "Adapt UI files."
  800603b... Revert "Replace queue_draw_area()."
  196119c... Revert "No need to set events."
  fe5b32c... Revert "Adapt to DrawingArea API."
  cf2760b... Revert "Make on_window_state_event work."
  f5c0aa8... Revert "Update to GestureClick."
  e81d4a1... Revert "Compile with Gtk4."