Added warning if baudrate set failed

mainwindow.cpp

@@ -130,6 +130,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(senderWorker, &Sender::dataRecieved, parserWorker, &Parser::parse, Qt::QueuedConnection);
     connect(senderWorker, &Sender::dataRecieved, this, &MainWindow::readSerial, Qt::QueuedConnection);
     connect(senderWorker, &Sender::reportProgress, this, &MainWindow::updateFileProgress);
+    connect(senderWorker, &Sender::baudrateSetFailed, this, &MainWindow::baudrateSetFailed);
     connect(this, &MainWindow::setFile, senderWorker, &Sender::setFile);
     connect(this, &MainWindow::startPrinting, senderWorker, &Sender::startPrinting);
     connect(this, &MainWindow::stopPrinting, senderWorker, &Sender::stopPrinting);
@@ -860,6 +861,14 @@ void MainWindow::updateFileProgress(FileProgress p)
     ui->progressBar->setValue(((float)p.P/p.T) * 100);
 }
 
+void MainWindow::baudrateSetFailed(int b)
+{
+    ErrorWindow errorwindow(this, QString("Baudrate set failed:\n" +
+                                  QString::number(b) +
+                                  " baud"));
+    errorwindow.show();
+}
+
 //Needed for keypress handling
 bool MainWindow::eventFilter(QObject *obj, QEvent *event)
 {

mainwindow.h

@@ -98,6 +98,7 @@ private slots:
     void parseFile(QString filename);
     void recentClicked();
     void updateFileProgress(FileProgress);
+    void baudrateSetFailed(int b);
 
     void xplus();
     void yplus();

sender.cpp

@@ -122,25 +122,8 @@ void Sender::openPort(QSerialPortInfo i)
     {
 
         //Moved here to be compatible with Qt 5.2.1
-        switch(baudrate)
-        {
-            case 4800:
-            printer->setBaudRate(QSerialPort::Baud4800);
-            break;
-
-            case 9600:
-            printer->setBaudRate(QSerialPort::Baud9600);
-            break;
-
-            case 115200:
-            printer->setBaudRate(QSerialPort::Baud115200);
-            break;
-
-            default:
-            printer->setBaudRate(baudrate);
-            break;
-        }
-
+        if(!printer->setBaudRate(baudrate))
+            emit baudrateSetFailed(baudrate);
         printer->setFlowControl(QSerialPort::HardwareControl);
     }
 }

sender.h

@@ -42,6 +42,7 @@ signals:
     void errorRecieved(QSerialPort::SerialPortError error);
     void dataRecieved(QByteArray data);
     void reportProgress(FileProgress p);
+    void baudrateSetFailed(int b);
 
 public slots:
     void openPort(QSerialPortInfo i);