void releaseWidget() {
super.releaseWidget();
if (parent.currentFocusItem == this) parent.currentFocusItem = null;
parent = null;
control = null;
hotImage = disabledImage = null;
toolTipText = null;
}
long /*int*/ gtk_focus_in_event(long /*int*/ widget, long /*int*/ event) {
parent.hasChildFocus = true;
parent.currentFocusItem = this;
return 0;
}