- GtkRange *range = GTK_RANGE(m_widget);
- return ( (window == GTK_WIDGET(range)->window) ||
- (window == range->trough) ||
- (window == range->slider) ||
- (window == range->step_forw) ||
- (window == range->step_back) );
+ gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust),
+ GTK_SIGNAL_FUNC(gtk_slider_callback),
+ (gpointer) this );