[gtk/wip/matthiasc/popup5: 110/118] window: Don't inherit cursors across surfaces

[Matthias Clasen <matthiasc src gnome org>]

commit d167570fd066ea5957ee79761cd09468febc304c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 4 16:21:33 2019 +0000

    window: Don't inherit cursors across surfaces
    
    I can't think of a case where this is the desired
    behavior. So, instead of setting an explicit cursor
    on all popups, just stop walking the parents at
    surface boundaries.

 gtk/gtkwindow.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index ed5cb8d2b1..2875e76dbc 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -9962,6 +9962,10 @@ update_cursor (GtkWindow *toplevel,
           if (grab_widget && target == grab_widget)
             break;
 
+          /* Don't inherit cursors across surfaces */
+          if (surface != gtk_widget_get_surface (target))
+            break;
+
           cursor = gtk_widget_get_cursor (target);
 
           if (cursor)