Win32: Ensure native back-end for windows where the user requests their handle

https://bugzilla.gnome.org/show_bug.cgi?id=658841
2011-09-09 15:17:29 +01:00
parent b18718ac7e
commit f9d8f9758b
1 changed files with 10 additions and 0 deletions
--- a/gdk/win32/gdkwindow-win32.c
+++ b/gdk/win32/gdkwindow-win32.c
@ -3409,5 +3409,15 @@ gdk_window_impl_win32_class_init (GdkWindowImplWin32Class *klass)
 HGDIOBJ
 gdk_win32_window_get_handle (GdkWindow *window)
 {
+  /* Try to ensure the window has a native window */
+  if (!_gdk_window_has_impl (window))
+    gdk_window_ensure_native (window);
+
+  if (!GDK_WINDOW_IS_WIN32 (window))
+    {
+      g_warning (G_STRLOC " window is not a native Win32 window");
+      return NULL;
+    }
+
  return GDK_WINDOW_HWND (window);
 }