fix: 点击图标范围内时才能对图标进行拖动

拖动任务栏插件或托盘图标时，根据图标大小，计算点击区域是否为有效区域

Log: 修复任务栏插件区域的触控区域比鼠标点击的范围更大问题
Bug: https://pms.uniontech.com/zentao/bug-view-45282.html
Change-Id: If5cbb131e1115f10bd054f8926b2f35d209c62dd
Reviewed-on: http://gerrit.uniontech.com/c/dde-dock/+/3170
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: lizhongming <lizhongming@uniontech.com>
Tested-by: <mailman@uniontech.com>

frame/item/dockitem.h

@@ -60,6 +60,7 @@ public:
 
     QSize sizeHint() const override;
     virtual QString accessibleName();
+    bool containCursorPos();
 
 public slots:
     virtual void refershIcon() {}
@@ -101,7 +102,6 @@ protected:
 protected slots:
     void showContextMenu();
     void onContextMenuAccepted();
-    bool containCursorPos();
 
 private:
     void updatePopupPosition();

frame/item/pluginsitem.cpp

@@ -164,6 +164,10 @@ void PluginsItem::mouseMoveEvent(QMouseEvent *e)
 
     DockItem::mouseMoveEvent(e);
 
+    if (!containCursorPos()) {
+        return;
+    }
+
     e->accept();
 
     const QPoint distance = e->pos() - MousePressPoint;

frame/panel/mainpanelcontrol.cpp

@@ -611,6 +611,10 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
     if (item->itemType() != DockItem::App && item->itemType() != DockItem::Plugins && item->itemType() != DockItem::FixedPlugin)
         return false;
 
+    if (!item->containCursorPos()) {
+        return  false;
+    }
+
     const QPoint pos = mouseEvent->globalPos();
     const QPoint distance = pos - m_mousePressPos;
     if (distance.manhattanLength() < QApplication::startDragDistance())

plugins/tray/fashiontray/fashiontraywidgetwrapper.cpp

@@ -244,6 +244,10 @@ void FashionTrayWidgetWrapper::handleMouseMove(QMouseEvent *event)
         return;
     }
 
+    if (!containCursorPos()) {
+        return;
+    }
+
     event->accept();
 
     QDrag drag(this);