新增画布类,三联，九宫格控件

UI/Windows/System/Cursor.nut

@@ -12,9 +12,9 @@ class Game_Cursor extends GameWindow {
     CurrentMouseTaskId = 0;
 
     //鼠标X坐标
-    MouseX = 0;
+    MouseX = -100;
     //鼠标Y坐标
-    MouseY = 0;
+    MouseY = -100;
 
     constructor() {
         if (getroottable().rawin("__Game_Cursor__")) {
@@ -64,7 +64,13 @@ class Game_Cursor extends GameWindow {
         MouseSprite[CurrentMouseTaskId].SetPos(MouseX, MouseY);
     }
 
-    //事件
+    /**
+     * 鼠标窗口是独立的事件函数
+     * @function 
+     * @param {any} EventType
+     * @param {any} EventData
+     * @returns {void}
+     */
     function Event(EventType, EventData) {
         if (EventType == UI_EVENT.MOUSEMOTION) {
             MouseX = EventData[0];