disbale exit-button as long as update process is running

mainwindow.cpp

@@ -31,6 +31,8 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     connect(m_exitTimer, SIGNAL(timeout()), ui->exit, SLOT(click()));
     connect(ui->start, SIGNAL(clicked()), m_worker, SLOT(update()));
     connect(ui->exit, SIGNAL(clicked()), this, SLOT(onQuit()));
+    connect(m_worker, SIGNAL(disableExit()), this, SLOT(onDisableExit()));
+    connect(m_worker, SIGNAL(enableExit()), this, SLOT(onEnableExit()));
     connect(m_worker, SIGNAL(stopStartTimer()), this, SLOT(onStopStartTimer()));
     connect(m_worker, SIGNAL(restartExitTimer()), this, SLOT(onRestartExitTimer()));
     connect(m_worker, SIGNAL(appendText(QString, QString)), this, SLOT(onAppendText(QString, QString)));
@@ -60,6 +62,14 @@ void MainWindow::onStopStartTimer() {
     m_startTimer->stop();
 }
 
+void MainWindow::onDisableExit() {
+   ui->exit->setEnabled(false);
+}
+
+void MainWindow::onEnableExit() {
+   ui->exit->setEnabled(true);
+}
+
 void MainWindow::onRestartExitTimer() {
     m_exitTimer->stop();
     m_exitTimer->start(10 * 1000);

mainwindow.h

@@ -23,6 +23,8 @@ public slots:
     void onSetProgress(quint8);
     void onStopStartTimer();
     void onRestartExitTimer();
+    void onEnableExit();
+    void onDisableExit();
 
 private slots:
     void onQuit();

worker.cpp

@@ -122,6 +122,7 @@ void Worker::privateUpdate() {
     start->setEnabled(false);
 
     emit stopStartTimer();
+    emit disableExit();
     m_updateProcessRunning = true;
 
     bool sentIsmasLastVersionNotification = false;
@@ -217,6 +218,7 @@ void Worker::privateUpdate() {
     }
 
     m_updateProcessRunning = false;
+    emit enableExit();
     emit restartExitTimer();
 }
 

worker.h

@@ -176,6 +176,8 @@ signals:
     void setProgress(quint8);
     void stopStartTimer();
     void restartExitTimer();
+    void enableExit();
+    void disableExit();
 
 public slots:
     void update();