[iagno] (54 commits) Created branch arnaudb/wip/gtk4

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/wip/gtk4' was created.

Summary of new commits:

  975f1c9... Compile with Gtk4.
  e6d00fd... Use EventControllerMotion completely.
  d56551f... Replace GdkScreen by GdkDisplay.
  41a4d43... Configure event is gone.
  af02ee6... Update to GestureClick.
  80dcace... Make on_window_state_event work.
  34026bd... Fix AboutDialog image.
  221a878... Comment overlay property.
  aa434fe... Use show-title-buttons.
  bf3a048... Adapt to MenuButton API.
  fb62b74... Adapt to Button API.
  4012ec4... No need anymore to set events.
  e2eaed2... Adapt to DrawingArea API.
  02f6e63... Looks like grab_default() is gone.
  cf56027... Adapt to Box API.
  842f5f0... Looks like queue_draw_area() is gone.
  768c752... No more child properties.
  b391eec... Comment clipboard-related things.
  70a1288... Adapt to new size_allocate() method.
  b3f5de6... Adapt UI files.
  8bf0a67... Bug with ModelButton.
  cf9bf42... Remove remaining packing tags.
  c0e452b... MenuButton lost use-underline.
  b72eff8... Comment -gtk-outline-radius.
  059e2f9... Comment radial-gradient thing for now.
  25978c0... Button lost can-default property.
  199364e... Fix CSS warning.
  6315bbe... Remove insert_before use.
  2b1f0ff... Use icon-name GtkButton property.
  e5fb2c8... Make EventControllers work.
  7793fb1... Correctly order headerbar.
  461b332... Remove old hack.
  eabf636... Try to fix HistoryButton.
  8146588... Use ToggleButton instead of ModelButton.
  cfef163... Restore NewGameScreen look.
  a96f0ab... Fix About panel.
  4d00111... Rename widgets.
  6d58d33... Adapt to PopoverMenu API.
  a8aaf89... Remove a warning.
  d0a2f8d... Fix add_controller.
  115e73e... Use <Control>.
  d27ac5e... TODO.
  4424205... Adapt to ScrolledWindow API.
  addd6e8... GtkStack is not subclassable anymore.
  31e1a2a... GtkOverlay is not subclassable anymore.
  ac06d4e... GtkHeaderBar is not subclassable anymore.
  dd69271... GtkRevealer is not subclassable anymore.
  4f0dd9a... The relief property is gone.
  3e4690d... Upate a method.
  ed3e6b1... Use Gtk for sounds.
  6ca5f0b... Widgets are visible.
  7148144... Fix stack switching.
  266cb38... Fix NotificationsRevealer.
  49396ca... Fix HistoryButton popover.