fixed (rare but fatal) bug in wxWindowDisabler

[wxWidgets.git] / src / gtk / utilsgtk.cpp

diff --git a/src/gtk/utilsgtk.cpp b/src/gtk/utilsgtk.cpp
index e1c998949556a0c83ed3a72a22df712d59e7f12a..513c3674e6dd3e796f895009372a0a38f318c878 100644 (file)
--- a/src/gtk/utilsgtk.cpp
+++ b/src/gtk/utilsgtk.cpp
@@ -40,9 +40,15 @@
     #undef explicit
 #endif // HAVE_X11_XKBLIB_H
 
-// ----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxRootWindow;
+
+//----------------------------------------------------------------------------
 // misc.
-// ----------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 
 void wxBell()
 {
@@ -92,7 +98,7 @@ bool wxColourDisplay()
 
 int wxDisplayDepth()
 {
-    return gdk_window_get_visual( (GdkWindow*) &gdk_root_parent )->depth;
+    return gdk_window_get_visual( wxRootWindow->window )->depth;
 }
 
 int wxGetOsVersion(int *majorVsn, int *minorVsn)