[mutter] wayland/pointer: Don't set focus while during compositor grab

[Jonas Ådahl <jadahl src gnome org>]

commit b50da46f439f34173d6320a2f1db1efa3d2b7de4
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Oct 13 23:03:36 2016 +0800

    wayland/pointer: Don't set focus while during compositor grab
    
    Teach the default grab about compositor grabs (i.e.
    display->event_route) so that it can avoid setting a pointer focus when
    after the compositor grab actively unset the pointer focus.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772914

 src/wayland/meta-wayland-pointer.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
index 7122d09..9c5ddd3 100644
--- a/src/wayland/meta-wayland-pointer.c
+++ b/src/wayland/meta-wayland-pointer.c
@@ -425,10 +425,24 @@ default_grab_focus (MetaWaylandPointerGrab *grab,
 {
   MetaWaylandPointer *pointer = grab->pointer;
   MetaWaylandSeat *seat = meta_wayland_pointer_get_seat (pointer);
+  MetaDisplay *display = meta_get_display ();
 
   if (pointer->button_count > 0)
     return;
 
+  switch (display->event_route)
+    {
+    case META_EVENT_ROUTE_WINDOW_OP:
+    case META_EVENT_ROUTE_COMPOSITOR_GRAB:
+    case META_EVENT_ROUTE_FRAME_BUTTON:
+      return;
+      break;
+
+    case META_EVENT_ROUTE_NORMAL:
+    case META_EVENT_ROUTE_WAYLAND_POPUP:
+      break;
+    }
+
   if (meta_wayland_seat_has_pointer (seat))
     meta_wayland_pointer_set_focus (pointer, surface);
 }