Add support for touch sliding.

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

@@ -42,6 +42,7 @@ using namespace Zeeker;
 ResultArea::ResultArea(QWidget *parent) : QScrollArea(parent)
 {
     qRegisterMetaType<SearchPluginIface::ResultInfo>("SearchPluginIface::ResultInfo");
+    this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
     initUi();
     initConnections();
 }
@@ -347,6 +348,55 @@ void ResultArea::setSelectionInfo(QString &pluginID)
     }
 }
 
+void ResultArea::mousePressEvent(QMouseEvent *event)
+{
+//    qDebug() << "mouse pressed"  << event->source() << event->button();
+//    m_pressPoint = event->pos();
+    return QScrollArea::mousePressEvent(event);
+}
+
+void ResultArea::mouseMoveEvent(QMouseEvent *event)
+{
+//    if(m_pressPoint.isNull()) {
+//        return QScrollArea::mouseMoveEvent(event);
+//    }
+//    int delta = ((event->pos().y() - m_pressPoint.y()) / this->widget()->height()) * verticalScrollBar()->maximum();
+//    this->verticalScrollBar()->setValue(verticalScrollBar()->value() + delta);
+//    event->accept();
+    return QScrollArea::mouseMoveEvent(event);
+}
+
+void ResultArea::mouseReleaseEvent(QMouseEvent *event)
+{
+    return QScrollArea::mouseReleaseEvent(event);
+}
+
+bool ResultArea::viewportEvent(QEvent *event)
+{
+    if(event->type() == QEvent::TouchBegin) {
+        QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+        if(e->touchPoints().size() == 1) {
+            m_pressPoint = m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint());
+            event->accept();
+            return true;
+        }
+    } else if (event->type() == QEvent::TouchUpdate) {
+        QTouchEvent *e = dynamic_cast<QTouchEvent *>(event);
+//        qDebug() << "touchpoint===========" << e->touchPoints().size();
+        if(e->touchPoints().size() == 1) {
+            int delta = m_pressPoint.y() - m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint()).y();
+//            qDebug() << "last pos:" << m_pressPoint.y();
+//            qDebug() << "new pos:" << m_widget->mapFrom(this, e->touchPoints().at(0).pos().toPoint()).y();
+//            qDebug() << "delta" << delta;
+//            qDebug() << "height" << m_widget->height() << "--" << verticalScrollBar()->maximum();
+            this->verticalScrollBar()->setValue(verticalScrollBar()->value() + delta);
+            m_pressPoint = m_widget->mapFrom(this,e->touchPoints().at(0).pos().toPoint());
+            return true;
+        }
+    }
+    return QScrollArea::viewportEvent(event);
+}
+
 void ResultArea::initUi()
 {
 //    this->verticalScrollBar()->setProperty("drawScrollBarGroove", false);

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

@@ -50,6 +50,12 @@ public:
 public Q_SLOTS:
     void onWidgetSizeChanged();
     void setSelectionInfo(QString &pluginID);
+protected:
+    void mousePressEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    bool viewportEvent(QEvent *event);
+
 
 private:
     void initUi();
@@ -65,6 +71,7 @@ private:
     bool m_detail_open_state = false;
     bool m_is_selected = false;
     QString m_selectedPluginID;
+    QPoint m_pressPoint;
 
 Q_SIGNALS:
     void startSearch(const QString &);

frontend/model/search-result-manager.cpp

@@ -80,6 +80,7 @@ void ReceiveResultThread::run()
         is_empty = false;
         if(!m_result_queue->isEmpty()) {
             Q_EMIT this->gotResultInfo(m_result_queue->dequeue());
+
         } else {
             is_empty = true;
         }

frontend/view/best-list-view.cpp

@@ -155,22 +155,22 @@ void BestListView::mousePressEvent(QMouseEvent *event)
 
 void BestListView::mouseReleaseEvent(QMouseEvent *event)
 {
-    QModelIndex index = indexAt(event->pos());
-    if (index.isValid()) {
-        Q_EMIT this->clicked(index);
-    } else {
-        Q_EMIT this->clicked(this->currentIndex());
-    }
+//    QModelIndex index = indexAt(event->pos());
+//    if (index.isValid()) {
+//        Q_EMIT this->clicked(index);
+//    } else {
+//        Q_EMIT this->clicked(this->currentIndex());
+//    }
     return QTreeView::mouseReleaseEvent(event);
 }
 
 void BestListView::mouseMoveEvent(QMouseEvent *event)
 {
-   m_tmpCurrentIndex = this->currentIndex();
-   m_tmpMousePressIndex = indexAt(event->pos());
-   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex) {
-       Q_EMIT this->clicked(m_tmpMousePressIndex);
-   }
+//   m_tmpCurrentIndex = this->currentIndex();
+//   m_tmpMousePressIndex = indexAt(event->pos());
+//   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex) {
+//       Q_EMIT this->clicked(m_tmpMousePressIndex);
+//   }
     return QTreeView::mouseMoveEvent(event);
 }
 

frontend/view/result-view-delegate.cpp

@@ -29,6 +29,7 @@ void ResultViewDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
     style->drawControl(QStyle::CE_ItemViewItem, &optionV4, painter); //绘制非文本区域内容
     if(index.model()->data(index, Qt::DisplayRole).toString().isEmpty()) return;
 
+    //fix me: for files which name begin with some ' ' , space will be hide...
     QTextDocument doc;
     doc.setHtml(getHtmlText(painter, option, index)); //提取富文本
     QAbstractTextDocumentLayout::PaintContext ctx;

frontend/view/result-view.cpp

@@ -283,6 +283,7 @@ void ResultView::onMenuTriggered(QAction *action)
 
 void ResultView::mousePressEvent(QMouseEvent *event)
 {
+//    qDebug() << "source" << event->source();
     m_tmpCurrentIndex = this->currentIndex();
     m_tmpMousePressIndex = indexAt(event->pos());
     if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex) {
@@ -294,22 +295,22 @@ void ResultView::mousePressEvent(QMouseEvent *event)
 
 void ResultView::mouseReleaseEvent(QMouseEvent *event)
 {
-    QModelIndex index = indexAt(event->pos());
-    if (index.isValid()) {
-        Q_EMIT this->clicked(index);
-    } else {
-        Q_EMIT this->clicked(this->currentIndex());
-    }
+//    QModelIndex index = indexAt(event->pos());
+//    if (index.isValid()) {
+//        Q_EMIT this->clicked(index);
+//    } else {
+//        Q_EMIT this->clicked(this->currentIndex());
+//    }
     return QTreeView::mouseReleaseEvent(event);
 }
 
 void ResultView::mouseMoveEvent(QMouseEvent *event)
 {
-   m_tmpCurrentIndex = this->currentIndex();
-   m_tmpMousePressIndex = indexAt(event->pos());
-   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex) {
-       Q_EMIT this->clicked(m_tmpMousePressIndex);
-   }
+//   m_tmpCurrentIndex = this->currentIndex();
+//   m_tmpMousePressIndex = indexAt(event->pos());
+//   if (m_tmpMousePressIndex.isValid() and m_tmpCurrentIndex != m_tmpMousePressIndex and event->source() != Qt::MouseEventSynthesizedByQt) {
+//       Q_EMIT this->clicked(m_tmpMousePressIndex);
+//   }
     return QTreeView::mouseMoveEvent(event);
 }