Color cubes now get created on 8-bit true-color

visual as well. (This exists).
  Added MakeModal() to wxFrame.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2585 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/frame.cpp

@@ -742,6 +742,20 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height
     m_resizing = FALSE;
 }
 
+void wxFrame::MakeModal( bool modal )
+{
+    if (modal)
+    {
+        gtk_grab_add( m_widget );
+        gtk_main();
+        gtk_grab_remove( m_widget );
+    }
+    else
+    {
+        gtk_main_quit();
+    }
+}
+
 void wxFrame::OnInternalIdle()
 {
     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))