[mutter] tiling: Limit tiling to landscape orientation

[Florian Müllner <fmuellner src gnome org>]

commit a2e4789b3e234afb924be3f4e0f77dbfcb832e26
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Sep 24 13:23:18 2010 +0200

    tiling: Limit tiling to landscape orientation
    
    Tiling is arguably only useful for monitors in landscape orientation,
    so disable it when the current monitor is in portrait orientation.

 src/core/window.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 9db0131..19a3f62 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -3202,6 +3202,10 @@ meta_window_can_tile (MetaWindow *window)
   monitor = meta_screen_get_current_monitor (window->screen);
   meta_window_get_work_area_for_monitor (window, monitor->number, &tile_area);
 
+  /* Do not allow tiling in portrait orientation */
+  if (tile_area.height > tile_area.width)
+    return FALSE;
+
   tile_area.width /= 2;
 
   if (window->frame)