Function RoadToolbar_CtrlChanged

src/road_gui.cpp:329–342

* Updates the Remove button because of Ctrl state change * @param w window the button belongs to * @return true iff the remove button was changed */

 * @return true iff the remove button was changed
 */
static bool RoadToolbar_CtrlChanged(Window *w)
{
	if (w->IsWidgetDisabled(WID_ROT_REMOVE)) return false;

	/* allow ctrl to switch remove mode only for these widgets */
	for (WidgetID i = WID_ROT_ROAD_X; i <= WID_ROT_AUTOROAD; i++) {
		if (w->IsWidgetLowered(i)) {
			ToggleRoadButton_Remove(w);
			return true;
		}
	}

	return false;
}

/** Road toolbar window handler. */
struct BuildRoadToolbarWindow : Window {