[gtk+] win32: Fix missed resize exit message

[Alexander Larsson <alexl src gnome org>]

commit 429bd4e5d56ae7e6f7f7139774d623ff629ef8b2
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Oct 25 15:34:22 2011 +0200

    win32: Fix missed resize exit message
    
    When you start a window resize or move via the window menu and
    don't actually change anything we're not getting an exitsizemove.
    In order to work around this we also look for WM_CAPTURECHANGED.

 gdk/win32/gdkevents-win32.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index 1113de8..1ceeacc 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -2665,7 +2665,16 @@ gdk_event_translate (MSG  *msg,
 
     case WM_EXITSIZEMOVE:
     case WM_EXITMENULOOP:
-      _gdk_win32_end_modal_call ();
+      if (_modal_operation_in_progress)
+	_gdk_win32_end_modal_call ();
+      break;
+
+    case WM_CAPTURECHANGED:
+      /* Sometimes we don't get WM_EXITSIZEMOVE, for instance when you
+	 select move/size in the menu and then click somewhere without
+	 moving/resizing. We work around this using WM_CAPTURECHANGED. */
+      if (_modal_operation_in_progress)
+	_gdk_win32_end_modal_call ();
       break;
 
     case WM_WINDOWPOSCHANGING: