videoview: add key presss and key release events to catch DTMF input for sip calls

Change-Id: I8fe7996fa90652cf24504154531eba04736fc517

callwidget.cpp

@@ -663,6 +663,7 @@ void CallWidget::slotShowCallView(const std::string& accountId,
     ui->callStackWidget->setCurrentWidget(ui->videoPage);
     hideMiniSpinner();
     ui->videoWidget->pushRenderer(convInfo.callId, LRCInstance::accountModel().getAccountInfo(accountId).profileInfo.type == lrc::api::profile::Type::SIP);
+    ui->videoWidget->setFocus();
 }
 
 void CallWidget::slotShowIncomingCallView(const std::string& accountId,

videoview.cpp

@@ -345,6 +345,7 @@ VideoView::showContextMenu(const QPoint& pos)
 
 void
 VideoView::pushRenderer(const std::string& callId, bool isSIP) {
+    currentCallId_ = callId;
     auto callModel = LRCInstance::getCurrentCallModel();
 
     QObject::disconnect(ui->videoWidget);
@@ -464,3 +465,26 @@ VideoView::connectRendering(bool started)
         ui->videoWidget->connectRendering();
     }
 }
+
+void
+VideoView::keyPressEvent(QKeyEvent *event)
+{
+    // used to manage DTMF
+    // For "#" and "*", qt will automatically read the shift + 3 or 8
+    keyPressed_ = event->key();
+    QWidget::keyPressEvent(event);
+}
+
+void
+VideoView::keyReleaseEvent(QKeyEvent *event)
+{
+    if (keyPressed_ == static_cast<int>(Qt::Key_NumberSign)) {
+        LRCInstance::getCurrentCallModel()->playDTMF(currentCallId_, "#");
+    } else if (keyPressed_ == static_cast<int>(Qt::Key_Asterisk)) {
+        LRCInstance::getCurrentCallModel()->playDTMF(currentCallId_, "*");
+    } else if (keyPressed_ >= 48 && keyPressed_ <= 57){
+        //enum Qt::Key_0 = 48, QT::Key_9 = 57
+        LRCInstance::getCurrentCallModel()->playDTMF(currentCallId_, std::to_string(keyPressed_ - 48));
+    }
+    QWidget::keyReleaseEvent(event);
+}

videoview.h

@@ -21,6 +21,7 @@
 #include <QWidget>
 #include <QTimer>
 #include <QMouseEvent>
+#include <QKeyEvent>
 #include <QPropertyAnimation>
 
 #include "videooverlay.h"
@@ -56,6 +57,8 @@ protected:
     void mousePressEvent(QMouseEvent* event);
     void mouseReleaseEvent(QMouseEvent* event);
     void mouseMoveEvent(QMouseEvent* event);
+    void keyPressEvent(QKeyEvent *event);
+    void keyReleaseEvent(QKeyEvent *event);
 
 private slots:
     void slotCallStatusChanged(const std::string& callId);
@@ -77,6 +80,8 @@ private:
     bool draggingPreview_ = false;
     bool resizingPreview_ = false;
     bool sharingEntireScreen_ = false;
+    std::string currentCallId_;
+    int keyPressed_;
 
     constexpr static int fadeOverlayTime_ = 1000; //msec
     constexpr static int resizeGrip_ = 40;