GtkHeaderBar: Reconsider buttons if any tiling state changes

Looking at the 1-bit "tiled or not?" state is not necessarily
enough.

Signed-off-by: Simon McVittie <smcv@debian.org>
https://bugzilla.gnome.org/show_bug.cgi?id=789357

diff --git a/gtk/gtkheaderbar.c b/gtk/gtkheaderbar.c
index ba8786ded03886c117f51ded52a84a74c47fdd0e..d6ef590586237cc64ac22ef9d845a46183c11f82 100644 (file)
--- a/gtk/gtkheaderbar.c
+++ b/gtk/gtkheaderbar.c
@@ -1799,7 +1799,13 @@ window_state_changed (GtkWidget           *window,
   GdkWindowState changed, new_state;
 
   gdk_event_get_window_state ((GdkEvent *)event, &changed, &new_state);
-  if (changed & (GDK_WINDOW_STATE_FULLSCREEN | GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_TILED))
+  if (changed & (GDK_WINDOW_STATE_FULLSCREEN |
+                 GDK_WINDOW_STATE_MAXIMIZED |
+                 GDK_WINDOW_STATE_TILED |
+                 GDK_WINDOW_STATE_TOP_TILED |
+                 GDK_WINDOW_STATE_RIGHT_TILED |
+                 GDK_WINDOW_STATE_BOTTOM_TILED |
+                 GDK_WINDOW_STATE_LEFT_TILED))
     _gtk_header_bar_update_window_buttons (bar);
 
   return FALSE;