Fix#130073 touch event cannot trigger the selection of search result.

frontend/control/stack-pages/search-page-section.cpp

@@ -341,24 +341,25 @@ void ResultArea::mouseReleaseEvent(QMouseEvent *event)
 
 bool ResultArea::viewportEvent(QEvent *event)
 {
-    if(event->type() == QEvent::TouchBegin) {
+    if (event->type() == QEvent::MouseButtonPress) {
-        QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+        QMouseEvent *e = dynamic_cast<QMouseEvent *>(event);
-        if(e->touchPoints().size() == 1) {
+        if (e->source() == Qt::MouseEventSynthesizedByApplication) {
-            m_pressPoint = m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint());
+            qDebug() << "MouseButtonPress MouseEventSynthesizedByApplication";
+            m_pressPoint = m_widget->mapFrom(this, e->pos());
             event->accept();
             return true;
         }
-    } else if (event->type() == QEvent::TouchUpdate) {
+    } else if (event->type() == QEvent::MouseMove) {
-        QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+        QMouseEvent *e = dynamic_cast<QMouseEvent *>(event);
-//        qDebug() << "touchpoint===========" << e->touchPoints().size();
+        if (e->source() == Qt::MouseEventSynthesizedByApplication) {
-        if(e->touchPoints().size() == 1) {
+            qDebug() << "MouseMove MouseEventSynthesizedByApplication";
-            int delta = m_pressPoint.y() - m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint()).y();
+            int delta = m_pressPoint.y() - m_widget->mapFrom(this, e->pos()).y();
-//            qDebug() << "last pos:" << m_pressPoint.y();
+            //            qDebug() << "last pos:" << m_pressPoint.y();
-//            qDebug() << "new pos:" << m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint()).y();
+            //            qDebug() << "new pos:" << m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint()).y();
-//            qDebug() << "delta" << delta;
+            //            qDebug() << "delta" << delta;
-//            qDebug() << "height" << m_widget->height() << "--" << verticalScrollBar()->maximum();
+            //            qDebug() << "value" << verticalScrollBar()->value() << "--" << verticalScrollBar()->value() + delta;
             this->verticalScrollBar()->setValue(verticalScrollBar()->value() + delta);
-            m_pressPoint = m_widget->mapFrom(this,e->touchPoints().at(0).pos().toPoint());
+            m_pressPoint = m_widget->mapFrom(this,e->pos());
             return true;
         }
     }

frontend/view/result-view.cpp

@@ -168,6 +168,7 @@ ResultView::ResultView(const QString &plugin_id, QWidget *parent) : QTreeView(pa
 {
 //    setStyle(ResultItemStyle::getStyle());
     this->setFrameShape(QFrame::NoFrame);
+    this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
     this->viewport()->setAutoFillBackground(false);
     this->setIconSize(QSize(VIEW_ICON_SIZE, VIEW_ICON_SIZE));
     this->setRootIsDecorated(false);
@@ -181,6 +182,9 @@ ResultView::ResultView(const QString &plugin_id, QWidget *parent) : QTreeView(pa
     m_plugin_id = plugin_id;
     m_styleDelegate = new ResultViewDelegate(this);
     this->setItemDelegate(m_styleDelegate);
+    m_touchTimer = new QTimer(this);
+    m_touchTimer->setSingleShot(true);
+    m_touchTimer->setInterval(100);
 }
 
 bool ResultView::isSelected()
@@ -344,6 +348,53 @@ void ResultView::mouseMoveEvent(QMouseEvent *event)
     return QTreeView::mouseMoveEvent(event);
 }
 
+bool ResultView::viewportEvent(QEvent *event)
+{
+     if (event->type() == QEvent::TouchBegin) {
+         qDebug() << "TouchBegin==============";
+         QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+         QMouseEvent me(QEvent::MouseButtonPress,
+                        e->touchPoints().at(0).pos(),
+                        this->mapTo(this->window(),e->touchPoints().at(0).pos().toPoint()),
+                        this->mapToGlobal(e->touchPoints().at(0).pos().toPoint()),
+                        Qt::LeftButton,Qt::LeftButton,Qt::NoModifier,Qt::MouseEventSynthesizedByApplication);
+         QApplication::sendEvent(parent(), &me);
+         m_touchTimer->start();
+         event->accept();
+         return true;
+     } else if (event->type() == QEvent::TouchEnd) {
+         qDebug() << "touchend==============" << m_touchTimer->remainingTime();
+         if (m_touchTimer->remainingTime() > 0.001) {
+             QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+             QMouseEvent me(QEvent::MouseButtonPress,
+                            e->touchPoints().at(0).pos(),
+                            this->mapTo(this->window(),e->touchPoints().at(0).pos().toPoint()),
+                            this->mapToGlobal(e->touchPoints().at(0).pos().toPoint()),
+                            Qt::LeftButton,Qt::LeftButton,Qt::NoModifier,Qt::MouseEventSynthesizedByApplication);
+             QApplication::sendEvent(this->viewport(),&me);
+
+             QMouseEvent mer(QEvent::MouseButtonRelease,
+                             e->touchPoints().at(0).pos(),
+                             this->mapTo(this->window(),e->touchPoints().at(0).pos().toPoint()),
+                             this->mapToGlobal(e->touchPoints().at(0).pos().toPoint()),
+                             Qt::LeftButton,Qt::LeftButton,Qt::NoModifier,Qt::MouseEventSynthesizedByApplication);
+             QApplication::sendEvent(this->viewport(),&mer);
+         }
+         return true;
+     } else if (event->type() == QEvent::TouchUpdate) {
+         qDebug() << "touchupdate==============";
+         QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+         QMouseEvent me(QEvent::MouseMove,
+                        e->touchPoints().at(0).pos(),
+                        this->mapTo(this->window(),e->touchPoints().at(0).pos().toPoint()),
+                        this->mapToGlobal(e->touchPoints().at(0).pos().toPoint()),
+                        Qt::LeftButton,Qt::LeftButton,Qt::NoModifier,Qt::MouseEventSynthesizedByApplication);
+         QApplication::sendEvent(parent(), &me);
+         return true;
+     }
+    return QTreeView::viewportEvent(event);
+}
+
 void ResultView::initConnections()
 {
     connect(this, &ResultView::startSearch, [ = ](const QString &keyword) {

frontend/view/result-view.h

@@ -37,6 +37,7 @@ protected:
     void mousePressEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);
     void mouseMoveEvent(QMouseEvent *event);
+    bool viewportEvent(QEvent *event);
 
 private:
     void initConnections();
@@ -47,6 +48,7 @@ private:
     int m_count = 0;
     QModelIndex m_tmpCurrentIndex;
     QModelIndex m_tmpMousePressIndex;
+    QTimer *m_touchTimer;
 
 Q_SIGNALS:
     void startSearch(const QString &);