From 5eb5f724347ae8d141ef38b36565169c60c53ab1 Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Thu, 1 Dec 2016 16:18:48 +0100
Subject: [PATCH] wayland: Check surface outputs after mapped state changes

So they consistently receive wl_surface.leave after the surface
is not visible anymore.

https://bugzilla.gnome.org/show_bug.cgi?id=775478
---
 src/wayland/meta-wayland-surface.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index b780c0fdc..1b4e8bb9d 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -1286,6 +1286,14 @@ surface_actor_painting (MetaSurfaceActorWayland *surface_actor,
   meta_wayland_surface_update_outputs (surface);
 }
 
+static void
+surface_actor_mapped_notify (MetaSurfaceActorWayland *surface_actor,
+                             GParamSpec              *pspec,
+                             MetaWaylandSurface      *surface)
+{
+  meta_wayland_surface_update_outputs (surface);
+}
+
 MetaWaylandSurface *
 meta_wayland_surface_create (MetaWaylandCompositor *compositor,
                              struct wl_client      *client,
@@ -1309,6 +1317,10 @@ meta_wayland_surface_create (MetaWaylandCompositor *compositor,
                            G_CALLBACK (surface_actor_painting),
                            surface,
                            0);
+  g_signal_connect_object (surface->surface_actor,
+                           "notify::mapped",
+                           G_CALLBACK (surface_actor_mapped_notify),
+                           surface, 0);
 
   sync_drag_dest_funcs (surface);