feat: 任务栏单指长按支持拖动

任务栏图标拖动需要单指长按超过200ms后(后端提供判断信号)，才可进行

Log: 根据后端长按信号，任务栏图标单指长按超过200ms后才可拖动
Task: https://pms.uniontech.com/zentao/task-view-30976.html
Change-Id: Ia75e7b09b7ea2421089a0e5b8be4ff9a5049bae3
Reviewed-on: http://gerrit.uniontech.com/c/dde-dock/+/864
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: wangwei <wangwei@uniontech.com>
Reviewed-by: niecheng <niecheng@uniontech.com>
Tested-by: <mailman@uniontech.com>

frame/panel/mainpanelcontrol.cpp

@@ -77,6 +77,8 @@ MainPanelControl::MainPanelControl(QWidget *parent)
     , m_isHover(false)
     , m_needRecoveryWin(false)
     , m_isEnableLaunch(true)
+    , m_longPressed(false)
+    , m_gestureInter(new Gesture("com.deepin.daemon.Gesture", "/com/deepin/daemon/Gesture", QDBusConnection::systemBus(), this))
 {
     init();
     updateMainPanelLayout();
@@ -95,6 +97,14 @@ MainPanelControl::MainPanelControl(QWidget *parent)
     m_fixedSpliter->setFixedSize(0,0);
     m_appSpliter ->setFixedSize(0,0);
     m_traySpliter->setFixedSize(0,0);
+
+    // 根据后端延迟触屏信号控制是否可进行图标拖动，收到延迟触屏信号可拖动，没有收到延迟触屏信号、点击松开就不可拖动
+    connect(m_gestureInter, &Gesture::TouchSinglePressTimeout, this, [this]{
+        m_longPressed = true;
+    });
+    connect(m_gestureInter, &Gesture::TouchUpOrCancel, this, [this]{
+        m_longPressed = false;
+    });
 }
 
 MainPanelControl::~MainPanelControl()
@@ -611,7 +621,7 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
     if (event->type() != QEvent::MouseMove)
         return false;
 
-    QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+    QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent *>(event);
     if (!mouseEvent || mouseEvent->buttons() != Qt::LeftButton)
         return false;
 
@@ -627,6 +637,11 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
     if (distance.manhattanLength() < QApplication::startDragDistance())
         return false;
 
+    // source为MouseEventSynthesizedByQt时，事件由触屏事件转换而来，触屏没有收到后端的延迟触屏信号时不进行拖动
+    if (mouseEvent->source() == Qt::MouseEventSynthesizedByQt && !m_longPressed) {
+        return false;
+    }
+
     startDrag(item);
 
     return QWidget::eventFilter(watched, event);

frame/panel/mainpanelcontrol.h

@@ -28,7 +28,10 @@
 #include <QBoxLayout>
 #include <QLabel>
 
+#include <com_deepin_daemon_gesture.h>
+
 using namespace Dock;
+using Gesture = com::deepin::daemon::Gesture;
 
 class TrayPluginItem;
 class PluginsItem;
@@ -142,6 +145,10 @@ private:
     bool m_isHover;//判断鼠标是否移到desktop区域
     bool m_needRecoveryWin; // 判断鼠标移出desktop区域是否恢复之前窗口
     bool m_isEnableLaunch;//判断是否使能了com.deepin.dde.dock.module.launcher
+
+    // 保存触控屏长按状态
+    bool m_longPressed;
+    Gesture* m_gestureInter;
 };
 
 #endif // MAINPANELCONTROL_H

plugins/tray/fashiontray/fashiontraywidgetwrapper.cpp

@@ -38,6 +38,12 @@
 
 DWIDGET_USE_NAMESPACE
 
+Gesture *FashionTrayWidgetWrapper::m_gestureInter = new Gesture("com.deepin.daemon.Gesture"
+                                                                , "/com/deepin/daemon/Gesture"
+                                                                , QDBusConnection::systemBus()
+                                                                , nullptr);
+bool FashionTrayWidgetWrapper::m_longPressed = false;
+
 FashionTrayWidgetWrapper::FashionTrayWidgetWrapper(const QString &itemKey, AbstractTrayWidget *absTrayWidget, QWidget *parent)
     : QWidget(parent),
       m_absTrayWidget(absTrayWidget),
@@ -67,6 +73,14 @@ FashionTrayWidgetWrapper::FashionTrayWidgetWrapper(const QString &itemKey, Abstr
     setMinimumSize(PLUGIN_BACKGROUND_MIN_SIZE, PLUGIN_BACKGROUND_MIN_SIZE);
 
     m_absTrayWidget->show();
+
+    // 根据后端信号，记录触屏长按状态
+    connect(m_gestureInter, &Gesture::TouchSinglePressTimeout, m_gestureInter, []{
+        m_longPressed = true;
+    }, Qt::UniqueConnection);
+    connect(m_gestureInter, &Gesture::TouchUpOrCancel, m_gestureInter, []{
+        m_longPressed = false;
+    }, Qt::UniqueConnection);
 }
 
 QPointer<AbstractTrayWidget> FashionTrayWidgetWrapper::absTrayWidget() const
@@ -221,6 +235,11 @@ void FashionTrayWidgetWrapper::handleMouseMove(QMouseEvent *event)
         return;
     }
 
+    // 如果是触屏事件转换而来并且没有收到后端的延时触屏消息，不进行拖拽
+    if (event->source() == Qt::MouseEventSynthesizedByQt && !m_longPressed) {
+        return;
+    }
+
     event->accept();
 
     QDrag drag(this);

plugins/tray/fashiontray/fashiontraywidgetwrapper.h

@@ -28,6 +28,10 @@
 #include <QVBoxLayout>
 #include <QPointer>
 
+#include <com_deepin_daemon_gesture.h>
+
+using Gesture = com::deepin::daemon::Gesture;
+
 #define TRAY_ITEM_DRAG_MIMEDATA "TrayItemDragDrop"
 
 class FashionTrayWidgetWrapper : public QWidget
@@ -75,6 +79,9 @@ private:
     bool m_pressed;
     QString m_itemKey;
     QPoint MousePressPoint;
+
+    static Gesture *m_gestureInter;
+    static bool m_longPressed;
 };
 
 #endif //FASHIONTRAYWIDGETWRAPPER_H