MADS: Add an isCursorVisible() method

This will probably be used by the menu class, but it's nice to have nonetheless

engines/mads/events.cpp

@@ -77,6 +77,10 @@ void EventsManager::hideCursor() {
 	CursorMan.showMouse(false);
 }
 
+bool EventsManager::isCursorVisible() {
+	return CursorMan.isVisible();
+}
+
 void EventsManager::waitCursor() {
 	CursorType cursorId = (CursorType)MIN(_cursorSprites->getCount(), (int)CURSOR_WAIT);
 	_newCursorId = cursorId;

engines/mads/events.h

@@ -103,6 +103,11 @@ public:
 	 */
 	void hideCursor();
 
+	/**
+	 * Returns if the mouse cursor is visible
+	 */
+	bool isCursorVisible();
+
 	/**
 	 * Shows the wait cursor
 	 */