Function GetWidgetFromPos

src/widget.cpp:292–296

* Returns the index for the widget located at the given position * relative to the window. It includes all widget-corner pixels as well. * @param *w Window to look inside * @param x The Window client X coordinate * @param y The Window client y coordinate * @return A widget index, or \c INVALID_WIDGET if no widget was found. */

 * @return A widget index, or \c INVALID_WIDGET if no widget was found.
 */
WidgetID GetWidgetFromPos(const Window *w, int x, int y)
{
	NWidgetCore *nw = w->nested_root->GetWidgetFromPos(x, y);
	return (nw != nullptr) ? nw->GetIndex() : INVALID_WIDGET;
}

/**
 * Draw frame rectangle.