[libgd] (22 commits) Non-fast-forward update to branch wip/ernestask/gtk4

[Ernestas Kulik <ernestask src gnome org>]

The branch 'wip/ernestask/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:

  ba1e342... main-icon-box: drop fake event stuff
  8215507... main-icon-box: use gestures for cursor events
  deaca47... main-icon-view: use snapshot API for rendering
  b6a387d... Add test for GdMainView
  aaf6761... toggle-pixbuf-renderer: hardcode icon size
  70b6f80... toggle-pixbuf-renderer: use gtk_render_activity()
  c0eda16... main-icon-view: remove style property
  b0efa21... toggle-pixbuf-renderer: use snapshot API for rendering
  bd7f467... main-list-view: use snapshot API for rendering
  0a95c0d... main-list-view: set up a clip region
  100a323... main-view: connect to generic event vfunc
  982c098... notification: use gtk_button_new_from_icon_name()
  2d6594b... Add test for GdNotification
  092adac... notification: use g_timeout_add()
  1803739... notification: remove include_internals from forall()
  e38f454... notification: remove draw vfunc override
  d37b6d8... notification: use gtk_widget_measure()
  8c54ca9... notification: override generic event vfunc
  63d7bef... notification: remove visibility_notify_event override
  637d1d1... notification: use gtk_widget_get_allocated_height()
  7c20d66... notification: default to being invisible
  def9334... notification: use specialized GdkWindow constructors

Commits added to the branch:

  5e0cb62... main-icon-box: drop fake event stuff
  cba3d6f... main-icon-box: use gestures for cursor events
  7c4c811... main-icon-view: use snapshot API for rendering
  c825291... Add test for GdMainView
  a40f208... toggle-pixbuf-renderer: hardcode icon size
  da8348f... toggle-pixbuf-renderer: use gtk_render_activity()
  6c6e53d... main-icon-view: remove style property
  0a8a94a... toggle-pixbuf-renderer: use snapshot API for rendering
  0b632c6... main-list-view: use snapshot API for rendering
  b4aebbf... main-list-view: set up a clip region
  966f471... main-view: connect to generic event vfunc
  fcd9bbb... notification: use gtk_button_new_from_icon_name()
  5d0a8af... Add test for GdNotification
  6f541dc... notification: use g_timeout_add()
  f0f70aa... notification: remove include_internals from forall()
  ca06249... notification: remove draw vfunc override
  b63e504... notification: use gtk_widget_measure()
  5720b98... notification: override generic event vfunc
  a1a1599... notification: remove visibility_notify_event override
  9a7a152... notification: use gtk_widget_get_allocated_height()
  56a6ae0... notification: default to being invisible
  146aada... notification: use specialized GdkWindow constructors