Function DispatchHoverEvent

src/window.cpp:792–811

* Dispatch hover of the mouse over a window. * @param w Window to dispatch event in. * @param x X coordinate of the click. * @param y Y coordinate of the click. */

 * @param y Y coordinate of the click.
 */
static void DispatchHoverEvent(Window *w, int x, int y)
{
	NWidgetCore *wid = w->nested_root->GetWidgetFromPos(x, y);

	/* No widget to handle */
	if (wid == nullptr) return;

	Point pt = { x, y };

	/* Show the tooltip if there is any */
	if (!w->OnTooltip(pt, wid->GetIndex(), TCC_HOVER) && wid->GetToolTip() != STR_NULL) {
		GuiShowTooltips(w, GetEncodedString(wid->GetToolTip()), TCC_HOVER);
		return;
	}

	/* Widget has no index, so the window is not interested in it. */
	if (wid->GetIndex() < 0) return;

	w->OnHover(pt, wid->GetIndex());
}

/**
 * Dispatch the mousewheel-action to the window.