[lightsoff] (28 commits) Created branch arnaudb/wip/gtk4

[Arnaud B. <arnaudb src gnome org>]

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

Summary of new commits:

  97955a1... Compile with Gtk4.
  9af4df0... Replace GdkScreen by GdkDisplay.
  5be193f... Update a method.
  0128b5a... Use GLib Timeout.
  e5a0d44... Replace border.
  602738f... Widget are visible by default.
  89e3d40... Make on_widow_state_event() work.
  a700443... The size-allocate signal is gone.
  d74bc7c... Adapt to HeaderBar API.
  08aef22... Adapt old Container API.
  4b76481... Adapt to EventController API.
  a3ba2ec... Comment MenuButton thing for now.
  5bc1eb6... Replace GdkScreen by GdkDisplay, part 2.
  54ca0c6... Comment for now focus thing.
  facf4f4... Adapt old Container API, part 2.
  bfd6f74... The destroy signal is gone.
  955f98e... MenuButton is not subclassable anymore.
  838cd26... Stack is not subclassable anymore.
  1aac5b7... Revealer is not subclassable anymore.
  9f1f33d... Update remaining UI files.
  d2e40dd... Fix bug.
  548ba66... Fix another bug.
  ab5a766... Quit application at the end.
  2c912c2... Add missing BinLayout.
  2dd6e9c... Add missing BinLayout, part 2.
  8c47f2c... Reorder buttons.
  0e6fda7... Comment for now some CSS properties.
  428c12c... Make game playable.