[gtk+/gtk-3-18] wayland: Map windows with tooltip hint as subsurfaces

[Matthias Clasen <matthiasc src gnome org>]

commit e135358ed02d9734547aeb1f355195817598674f
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Oct 13 20:48:51 2015 +0800

    wayland: Map windows with tooltip hint as subsurfaces
    
    Tooltips tend to be placed on top of a parent surface with a given
    relative coordinate, and without any input focus. So lets map them as
    subsurfaces.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756496

 gdk/wayland/gdkwindow-wayland.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 2447c5d..8d31137 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1221,9 +1221,14 @@ should_be_mapped (GdkWindow *window)
 static gboolean
 should_map_as_subsurface (GdkWindow *window)
 {
+  GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
+
   if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_SUBSURFACE)
     return TRUE;
 
+  if (impl->hint == GDK_WINDOW_TYPE_HINT_TOOLTIP)
+    return TRUE;
+
   return FALSE;
 }