- * Handles a click on a places item: if the middle mouse button is
- * clicked, a new tab is opened for \a url, otherwise the current
- * view is replaced by \a url.
+ * Opens the context menu on the current mouse position.
+ * @pos Position in screen coordinates.
+ * @item File item context. If item is null, the context menu
+ * should be applied to \a url.
+ * @url URL which contains \a item.
+ * @customActions Actions that should be added to the context menu,
+ * if the file item is null.