可拖动按钮封装

sqr/User/UI/Widget/Drag_Button.nut

@@ -9,19 +9,38 @@ class Yosin_DragButton extends Yosin_CommonUi {
     Path = "";
     //索引
     Idx = 0;
+    //方向
+    Direction = true;
 
     //按钮
     Button = null;
 
+    //鼠标相对位置
+    M_Xpos = null;
+    M_Ypos = null;
+    //未移动时的初始坐标
+    BasePos = null;
+    //移动Flag
+    MoveFlag = false;
+    //最大移动值
+    Max_Move_Value = 0;
+    //移动值
+    Move_Value = 0;
 
     constructor(X, Y, W, H, Path, Idx, Direction = true, UnavailableFlag = true) {
         this.Path = Path;
         this.Idx = Idx;
+        this.Direction = Direction;
         base.constructor(X, Y, W, H);
 
         Button = Yosin_SplicingButton(0, 0, W, H, Path, Idx, Direction, UnavailableFlag);
         Button.DownSimulateOffset = false;
         AddUIChild(Button);
+
+        BasePos = {
+            x = X,
+            y = Y
+        }
     }
 
     //override
@@ -29,5 +48,43 @@ class Yosin_DragButton extends Yosin_CommonUi {
     function OnMouseLbDown(MousePos_X, MousePos_Y) {
         base.OnMouseLbDown(MousePos_X, MousePos_Y);
 
+        if (isInRect) {
+            MoveFlag = true;
+            M_Xpos = MousePos_X; //原始鼠标位置数据
+            M_Ypos = MousePos_Y;
+            B_X = X; //原始窗口位置
+            B_Y = Y;
+        }
+    }
+
+    //override
+    function OnMouseProc(MousePos_X, MousePos_Y) {
+        //调用原生方法
+        base.OnMouseProc(MousePos_X, MousePos_Y);
+
+        //移动
+        if (MoveFlag) {
+            //左键拖动
+            if (Direction) {
+                Move_Value = B_X + (MousePos_X - M_Xpos);
+                if (Move_Value >= (0 + BasePos.x) && Move_Value<(Max_Move_Value - Width + BasePos.x)) X = Move_Value;
+            } else {
+                Move_Value = B_Y + (MousePos_Y - M_Ypos);
+                if (Move_Value >= (0 + BasePos.y) && Move_Value<(Max_Move_Value - Height + BasePos.y)) Y = (Move_Value);
+            }
+
+            SyncPos(X, Y);
+        }
+    }
+
+    //鼠标左键弹起回调
+    function OnMouseLbUp(MousePos_X, MousePos_Y) {
+        base.OnMouseLbUp(MousePos_X, MousePos_Y);
+        MoveFlag = false;
+    }
+
+    //设置最大移动值
+    function SetMaxMoveValue(Value) {
+        Max_Move_Value = Value;
     }
 }