gtk/gtk.go
func (v *ToolButton) SetLabelWidget(labelWidget IWidget) {
	C.gtk_tool_button_set_label_widget(v.native(), labelWidget.toWidget())
}
func (v *ToolButton) SetLabelWidget(labelWidget IWidget) {
	C.gtk_tool_button_set_label_widget(v.native(), labelWidget.toWidget())
}
// SetLabelWidget is a wrapper around gtk_tool_button_set_label_widget().