windows: bring client to front on call

Refs #72073

Change-Id: Ic886056e8ac49646bbbb838d711d104868b7b747

mainwindow.cpp

@@ -40,6 +40,9 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(&sysIcon_, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
             this, SLOT(trayActivated(QSystemTrayIcon::ActivationReason)));
 
+    connect(CallModel::instance(), SIGNAL(incomingCall(Call*)),
+            this, SLOT(onIncomingCall(Call*)));
+
     navStack_ = new NavStack(ui->bar, ui->stackedWidgetView, this);
     ui->verticalLayout_2->addWidget(
                 new QSizeGrip(this), 0, Qt::AlignBottom | Qt::AlignRight);
@@ -71,3 +74,8 @@ MainWindow::trayActivated(QSystemTrayIcon::ActivationReason reason) {
     if (reason != QSystemTrayIcon::ActivationReason::Context)
         this->show();
 }
+
+void MainWindow::onIncomingCall(Call *call) {
+    Q_UNUSED(call);
+    QWidget::showNormal();
+}

mainwindow.h

@@ -40,6 +40,7 @@ public:
 
 private slots:
     void trayActivated(QSystemTrayIcon::ActivationReason reason);
+    void onIncomingCall(Call *call);
 
 private:
     Ui::MainWindow *ui;