[gtk/wip/carlosg/x11-dnd: 3/5] gdk/x11: Ensure to hide DnD surface after failed operation

[Carlos Garnacho <carlosg src gnome org>]

commit 5aad3d7d0ea50ce2a1122687b0382a1021fd03a0
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Jan 14 00:03:29 2020 +0100

    gdk/x11: Ensure to hide DnD surface after failed operation
    
    The drag source might be cached and held alive, only disposed after
    future drag begin operations. Ensure the drag surface gets hidden
    properly or might might stay transparent but mapped till then.

 gdk/x11/gdkdrag-x11.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gdk/x11/gdkdrag-x11.c b/gdk/x11/gdkdrag-x11.c
index 4bf609a1de..b525186f85 100644
--- a/gdk/x11/gdkdrag-x11.c
+++ b/gdk/x11/gdkdrag-x11.c
@@ -1818,6 +1818,7 @@ struct _GdkDragAnim {
 static void
 gdk_drag_anim_destroy (GdkDragAnim *anim)
 {
+  gdk_surface_hide (anim->drag->drag_surface);
   g_object_unref (anim->drag);
   g_slice_free (GdkDragAnim, anim);
 }