[gtk/wip/matthiasc/popup4: 2/3] x11: Make popup surfaces use o-r windows

[Matthias Clasen <matthiasc src gnome org>]

commit 01caae3361c7bb3e608725be334a2354322adbbd
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 22 15:22:33 2019 +0000

    x11: Make popup surfaces use o-r windows
    
    This is a step towards a full implementation
    of popup surfaces for X11.

 gdk/x11/gdksurface-x11.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gdk/x11/gdksurface-x11.c b/gdk/x11/gdksurface-x11.c
index 730d903432..74b6e2b622 100644
--- a/gdk/x11/gdksurface-x11.c
+++ b/gdk/x11/gdksurface-x11.c
@@ -842,7 +842,8 @@ _gdk_x11_display_create_surface (GdkDisplay     *display,
   xattributes.colormap = gdk_x11_display_get_window_colormap (display_x11);
   xattributes_mask |= CWColormap;
 
-  if (surface->surface_type == GDK_SURFACE_TEMP)
+  if (surface->surface_type == GDK_SURFACE_TEMP ||
+      surface->surface_type == GDK_SURFACE_POPUP)
     {
       xattributes.save_under = True;
       xattributes.override_redirect = True;