fix: 修复wayland下任务栏无法移除应用程序图标的问题

原因：wayland模式下，AppDragWidget类无法触发拖拽事件导致无法移除(具体原因未知)
解决：AppDragWidget类监听move事件，结束后通过信号的方式在mainpanelcontrol类中来实现移除的功能

Log:
Influence: wayland模式下从任务栏移除应用图标
Bug: https://pms.uniontech.com/bug-view-126423.html
Change-Id: I8ad28cc0a5a5f854b51448d83d6c378114a026bd

frame/item/components/appdragwidget.cpp

@@ -38,6 +38,7 @@ AppDragWidget::AppDragWidget(QWidget *parent)
     , m_popupWindow(new DockPopupWindow(nullptr))
     , m_distanceMultiple(Utils::SettingValue("com.deepin.dde.dock.distancemultiple", "/com/deepin/dde/dock/distancemultiple/", "distance-multiple", 1.5).toDouble())
     , m_item(nullptr)
+    , m_cursorPosition(-1, -1)
 {
     m_removeTips->setText(tr("Remove"));
     m_removeTips->setObjectName("AppRemoveTips");
@@ -60,6 +61,8 @@ AppDragWidget::AppDragWidget(QWidget *parent)
     if (Utils::IS_WAYLAND_DISPLAY) {
         setWindowFlags(Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint | Qt::Window);
         setAttribute(Qt::WA_NativeWindow);
+    } else {
+        setAcceptDrops(true);
     }
     viewport()->setAutoFillBackground(false);
     setFrameShape(QFrame::NoFrame);
@@ -67,8 +70,6 @@ AppDragWidget::AppDragWidget(QWidget *parent)
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setMouseTracking(true);
 
-    setAcceptDrops(true);
-
     initAnimations();
 
     m_followMouseTimer->setInterval(16);
@@ -89,17 +90,24 @@ void AppDragWidget::mouseMoveEvent(QMouseEvent *event)
 
 void AppDragWidget::dragEnterEvent(QDragEnterEvent *event)
 {
+    if (Utils::IS_WAYLAND_DISPLAY) {
+        QGraphicsView::dragEnterEvent(event);
+    } else {
         event->accept();
         m_bDragDrop = true;
+    }
 }
 
 void AppDragWidget::dragMoveEvent(QDragMoveEvent *event)
 {
-    Q_UNUSED(event);
+    if (Utils::IS_WAYLAND_DISPLAY) {
+        QGraphicsView::dragMoveEvent(event);
+    } else {
         showRemoveTips();
         if (isRemoveItem() && m_bDragDrop) {
             emit requestRemoveItem();
         }
+    }
 }
 
 /**获取应用的左上角坐标
@@ -156,6 +164,9 @@ const QPoint AppDragWidget::popupMarkPoint(Dock::Position pos)
 
 void AppDragWidget::dropEvent(QDropEvent *event)
 {
+    if (Utils::IS_WAYLAND_DISPLAY) {
+        QGraphicsView::dropEvent(event);
+    } else {
         m_followMouseTimer->stop();
         m_bDragDrop = false;
 
@@ -175,6 +186,7 @@ void AppDragWidget::dropEvent(QDropEvent *event)
                 hide();
             }
         }
+    }
 }
 
 void AppDragWidget::hideEvent(QHideEvent *event)
@@ -384,6 +396,14 @@ void AppDragWidget::enterEvent(QEvent *event)
     }
 }
 
+bool AppDragWidget::event(QEvent *event)
+{
+    if (Utils::IS_WAYLAND_DISPLAY && event->type() == QEvent::DeferredDelete)
+        requestRemoveSelf(isRemoveAble(m_cursorPosition));
+
+    return QGraphicsView::event(event);
+}
+
 /**显示移除应用提示窗口
  * @brief AppDragWidget::showRemoveTips
  */
@@ -426,4 +446,10 @@ void AppDragWidget::moveEvent(QMoveEvent *event)
 {
     Q_UNUSED(event);
     showRemoveTips();
+    if (Utils::IS_WAYLAND_DISPLAY) {
+        m_cursorPosition = QCursor::pos();
+        if (isRemoveItem()) {
+            emit requestRemoveItem();
+        }
+    }
 }

frame/item/components/appdragwidget.h

@@ -81,6 +81,7 @@ private:
 class AppDragWidget : public QGraphicsView
 {
     Q_OBJECT
+
 public:
     explicit AppDragWidget(QWidget *parent = Q_NULLPTR);
 
@@ -96,6 +97,7 @@ public:
 
 signals:
     void requestRemoveItem();
+    void requestRemoveSelf(bool);
 
 protected:
     void mouseMoveEvent(QMouseEvent *event) override;
@@ -105,6 +107,7 @@ protected:
     void hideEvent(QHideEvent *event) override;
     void moveEvent(QMoveEvent *event) override;
     void enterEvent(QEvent *event) override;
+    bool event(QEvent *event) override;
 
 private:
     void initAnimations();
@@ -142,6 +145,7 @@ private:
 
     bool m_bDragDrop = false; // 图标是否被拖拽
     DockItem *m_item;
+    QPoint m_cursorPosition;
 };
 
 #endif /* APPDRAGWIDGET_H */

frame/window/mainpanelcontrol.cpp

@@ -739,6 +739,22 @@ void MainPanelControl::startDrag(DockItem *dockItem)
 
         m_appDragWidget = appDrag->appDragWidget();
 
+        if (Utils::IS_WAYLAND_DISPLAY) {
+            connect(m_appDragWidget, &AppDragWidget::requestRemoveSelf, this, [ = ](bool needDelete) {
+                m_appDragWidget = nullptr;
+                if (!item.isNull() && qobject_cast<AppItem *>(item)->isValid()) {
+                    if (m_dragIndex > -1 && !needDelete) {
+                        insertItem(m_dragIndex, item);
+                        m_dragIndex = -1;
+                    } else {
+                        AppItem *app = static_cast<AppItem *>(item.data());
+                        app->undock();
+                    }
+                    item->setDraging(false);
+                    item->update();
+                }
+            });
+        } else {
             connect(m_appDragWidget, &AppDragWidget::destroyed, this, [ = ] {
                 m_appDragWidget = nullptr;
                 if (!item.isNull() && qobject_cast<AppItem *>(item)->isValid()) {
@@ -750,6 +766,7 @@ void MainPanelControl::startDrag(DockItem *dockItem)
                     item->update();
                 }
             });
+        }
 
         connect(m_appDragWidget, &AppDragWidget::requestRemoveItem, this, [ = ] {
             if (-1 != m_appAreaSonLayout->indexOf(item)) {