[gtk+] mir: fix toggling between maximized and restored

[William Hua <williamhua src gnome org>]

commit da14dbe4e5a40fccf9155f4cd87c97457f9439d6
Author: William Hua <william hua canonical com>
Date:   Mon Jun 22 12:31:32 2015 -0400

    mir: fix toggling between maximized and restored

 gdk/mir/gdkmireventsource.c |   40 ++++++++++++++++++++++++++++++++++++++--
 1 files changed, 38 insertions(+), 2 deletions(-)
---
diff --git a/gdk/mir/gdkmireventsource.c b/gdk/mir/gdkmireventsource.c
index 6fe3197..c088ca4 100644
--- a/gdk/mir/gdkmireventsource.c
+++ b/gdk/mir/gdkmireventsource.c
@@ -412,6 +412,7 @@ static void
 handle_surface_event (GdkWindow *window, const MirSurfaceEvent *event)
 {
   GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
+  MirSurfaceState state;
 
   switch (mir_surface_event_get_attribute (event))
     {
@@ -419,8 +420,43 @@ handle_surface_event (GdkWindow *window, const MirSurfaceEvent *event)
       _gdk_mir_window_impl_set_surface_type (impl, mir_surface_event_get_attribute_value (event));
       break;
     case mir_surface_attrib_state:
-      _gdk_mir_window_impl_set_surface_state (impl, mir_surface_event_get_attribute_value (event));
-      // FIXME: notify
+      state = mir_surface_event_get_attribute_value (event);
+      _gdk_mir_window_impl_set_surface_state (impl, state);
+
+      switch (state)
+        {
+        case mir_surface_state_restored:
+        case mir_surface_state_hidden:
+          gdk_synthesize_window_state (window,
+                                       GDK_WINDOW_STATE_ICONIFIED |
+                                       GDK_WINDOW_STATE_MAXIMIZED |
+                                       GDK_WINDOW_STATE_FULLSCREEN,
+                                       0);
+          break;
+        case mir_surface_state_minimized:
+          gdk_synthesize_window_state (window,
+                                       GDK_WINDOW_STATE_MAXIMIZED |
+                                       GDK_WINDOW_STATE_FULLSCREEN,
+                                       GDK_WINDOW_STATE_ICONIFIED);
+          break;
+        case mir_surface_state_maximized:
+        case mir_surface_state_vertmaximized:
+        case mir_surface_state_horizmaximized:
+          gdk_synthesize_window_state (window,
+                                       GDK_WINDOW_STATE_ICONIFIED |
+                                       GDK_WINDOW_STATE_FULLSCREEN,
+                                       GDK_WINDOW_STATE_MAXIMIZED);
+          break;
+        case mir_surface_state_fullscreen:
+          gdk_synthesize_window_state (window,
+                                       GDK_WINDOW_STATE_ICONIFIED |
+                                       GDK_WINDOW_STATE_MAXIMIZED,
+                                       GDK_WINDOW_STATE_FULLSCREEN);
+          break;
+        default:
+          break;
+        }
+
       break;
     case mir_surface_attrib_swapinterval:
       break;