[mutter] Fix behavior of the window resize popup to only appear when resizing

[Owen Taylor <otaylor src gnome org>]

commit dacea8edf972fa9da2ede92c1b3b21d8b5db3962
Author: Nickolas Lloyd <ultrageek lloyd gmail com>
Date:   Wed Aug 25 20:23:50 2010 +0000

    Fix behavior of the window resize popup to only appear when resizing
    
    This patch reverts part of commit 94f6479, which accidentally removed
    a section of code and introduced this bug.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=598603

 src/core/window.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 123435f..a3c1666 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8454,6 +8454,32 @@ meta_window_refresh_resize_popup (MetaWindow *window)
   if (window->display->grab_window != window)
     return;
 
+  switch (window->display->grab_op)
+    {
+    case META_GRAB_OP_RESIZING_SE:
+    case META_GRAB_OP_RESIZING_S:
+    case META_GRAB_OP_RESIZING_SW:
+    case META_GRAB_OP_RESIZING_N:
+    case META_GRAB_OP_RESIZING_NE:
+    case META_GRAB_OP_RESIZING_NW:
+    case META_GRAB_OP_RESIZING_W:
+    case META_GRAB_OP_RESIZING_E:
+    case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN:
+    case META_GRAB_OP_KEYBOARD_RESIZING_S:
+    case META_GRAB_OP_KEYBOARD_RESIZING_N:
+    case META_GRAB_OP_KEYBOARD_RESIZING_W:
+    case META_GRAB_OP_KEYBOARD_RESIZING_E:
+    case META_GRAB_OP_KEYBOARD_RESIZING_SE:
+    case META_GRAB_OP_KEYBOARD_RESIZING_NE:
+    case META_GRAB_OP_KEYBOARD_RESIZING_SW:
+    case META_GRAB_OP_KEYBOARD_RESIZING_NW:
+      break;
+
+    default:
+      /* Not resizing */
+      return;
+    }
+
   if (window->display->grab_resize_popup == NULL)
     {
       if (window->size_hints.width_inc > 1 ||