[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:

  ba06278... main-icon-box: drop fake event stuff
  66e53df... main-icon-box: use gestures for cursor events
  439897c... main-icon-view: use snapshot API for rendering
  7293659... Add test for GdMainView
  213e898... toggle-pixbuf-renderer: hardcode icon size
  d8dd947... toggle-pixbuf-renderer: use gtk_render_activity()
  857aa23... main-icon-view: remove style property
  96eb94c... toggle-pixbuf-renderer: use snapshot API for rendering
  bdc921f... main-list-view: use snapshot API for rendering
  b1b529b... main-list-view: set up a clip region
  0884741... main-view: connect to generic event vfunc
  4a17248... notification: use gtk_button_new_from_icon_name()
  ae96c02... Add test for GdNotification
  4c9317d... notification: use g_timeout_add()
  2bc5a53... notification: remove include_internals from forall()
  cc6f044... notification: remove draw vfunc override
  ffd37ec... notification: use gtk_widget_measure()
  3e252f4... notification: override generic event vfunc
  abba99e... notification: remove visibility_notify_event override
  af2b85b... notification: use gtk_widget_get_allocated_height()
  2f2ac0a... notification: default to being invisible
  7a5dcd2... notification: use specialized GdkWindow constructors

Commits added to the branch:

  e1c2bf8... main-icon-box: drop fake event stuff
  67ea6f4... main-icon-box: use gestures for cursor events
  b31d763... main-icon-view: use snapshot API for rendering
  574645b... Add test for GdMainView
  05ed8aa... toggle-pixbuf-renderer: hardcode icon size
  34bb476... toggle-pixbuf-renderer: use gtk_render_activity()
  e15f39d... main-icon-view: remove style property
  11044ce... toggle-pixbuf-renderer: use snapshot API for rendering
  9a68d3b... main-list-view: use snapshot API for rendering
  fb886dc... main-list-view: set up a clip region
  cbf5597... main-view: connect to generic event vfunc
  8079908... notification: use gtk_button_new_from_icon_name()
  f03e7ee... Add test for GdNotification
  38cc7a2... notification: use g_timeout_add()
  b121c37... notification: remove include_internals from forall()
  3b79808... notification: remove draw vfunc override
  383ad77... notification: use gtk_widget_measure()
  2d11011... notification: override generic event vfunc
  d2ea3fc... notification: remove visibility_notify_event override
  407f426... notification: use gtk_widget_get_allocated_height()
  3c0f136... notification: default to being invisible
  c89d615... notification: use specialized GdkWindow constructors