Function FindWindowFromPt

src/window.cpp:1845–1854

* Do a search for a window at specific coordinates. For this we start * at the topmost window, obviously and work our way down to the bottom * @param x position x to query * @param y position y to query * @return a pointer to the found window if any, nullptr otherwise */

 * @return a pointer to the found window if any, nullptr otherwise
 */
Window *FindWindowFromPt(int x, int y)
{
	for (Window *w : Window::IterateFromFront()) {
		if (MayBeShown(w) && IsInsideBS(x, w->left, w->width) && IsInsideBS(y, w->top, w->height)) {
			return w;
		}
	}

	return nullptr;
}

/**
 * (re)initialize the windowing system