From 9678b6f6db35f6dd9376229ab5996ac876d74949 Mon Sep 17 00:00:00 2001
From: jixiaoxu <jixiaoxu@kylinos.cn>
Date: Mon, 5 Dec 2022 14:51:57 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DUI=E6=9C=80=E4=BD=B3=E5=8C=B9?=
 =?UTF-8?q?=E9=85=8D=E4=B8=8E=E7=BB=93=E6=9E=9C=E5=88=86=E7=B1=BB=E8=A7=A6?=
 =?UTF-8?q?=E6=91=B8=E8=A1=8C=E4=B8=BA=E4=B8=8D=E4=B8=80=E8=87=B4=E7=9A=84?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98=EF=BC=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/view/best-list-view.cpp | 53 +++++++++++++++++++++++++++++++-
 frontend/view/best-list-view.h   |  2 ++
 2 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/frontend/view/best-list-view.cpp b/frontend/view/best-list-view.cpp
index 547689f..4f6d56a 100644
--- a/frontend/view/best-list-view.cpp
+++ b/frontend/view/best-list-view.cpp
@@ -10,6 +10,7 @@ BestListView::BestListView(QWidget *parent) : QTreeView(parent)
 {
     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);
@@ -22,6 +23,9 @@ BestListView::BestListView(QWidget *parent) : QTreeView(parent)
     initConnections();
     m_styleDelegate = new ResultViewDelegate(this);
     this->setItemDelegate(m_styleDelegate);
+    m_touchTimer = new QTimer(this);
+    m_touchTimer->setSingleShot(true);
+    m_touchTimer->setInterval(100);
 }
 
 bool BestListView::isSelected()
@@ -185,12 +189,59 @@ void BestListView::mouseMoveEvent(QMouseEvent *event)
 {
    m_tmpCurrentIndex = this->currentIndex();
    m_tmpMousePressIndex = indexAt(event->pos());
-   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex) {
+   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex and event->source() != Qt::MouseEventSynthesizedByQt) {
        Q_EMIT this->clicked(m_tmpMousePressIndex);
    }
     return QTreeView::mouseMoveEvent(event);
 }
 
+bool BestListView::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 BestListView::initConnections()
 {
     connect(this, &BestListView::startSearch, [ = ](const QString &keyword) {
diff --git a/frontend/view/best-list-view.h b/frontend/view/best-list-view.h
index b38a23d..75c8a04 100644
--- a/frontend/view/best-list-view.h
+++ b/frontend/view/best-list-view.h
@@ -40,6 +40,7 @@ protected:
     void mousePressEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent * event);
     void mouseMoveEvent(QMouseEvent *event);
+    bool viewportEvent(QEvent *event);
 
 private:
     void initConnections();
@@ -50,6 +51,7 @@ private:
     int m_count = 0;
     QModelIndex m_tmpCurrentIndex;
     QModelIndex m_tmpMousePressIndex;
+    QTimer *m_touchTimer;
 
 Q_SIGNALS:
     void startSearch(const QString &);