CAN-Example: Show errors and number of frames written in the UI

Change-Id: I1a8a14abee0cb533d454f67c8fca35099d8b4c1d
Reviewed-by: Rolf Eike Beer <eb@emlix.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

2 files changed, 11 insertions, 4 deletions

diff --git a/examples/serialbus/can/mainwindow.cpp b/examples/serialbus/can/mainwindow.cpp
index 96c3058..fa6519b 100644
--- a/examples/serialbus/can/mainwindow.cpp
+++ b/examples/serialbus/can/mainwindow.cpp
@@ -46,7 +46,6 @@
 #include <QCanBusFrame>
 #include <QCloseEvent>
 #include <QDesktopServices>
-#include <QtDebug>
 #include <QTimer>
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -58,7 +57,10 @@ MainWindow::MainWindow(QWidget *parent) :
     m_connectDialog = new ConnectDialog;
 
     m_status = new QLabel;
-    m_ui->statusBar->addWidget(m_status);
+    m_ui->statusBar->addPermanentWidget(m_status);
+
+    m_written = new QLabel;
+    m_ui->statusBar->addWidget(m_written);
 
     initActionsConnections();
     QTimer::singleShot(50, m_connectDialog, &ConnectDialog::show);
@@ -97,7 +99,7 @@ void MainWindow::processErrors(QCanBusDevice::CanBusError error) const
     case QCanBusDevice::ConnectionError:
     case QCanBusDevice::ConfigurationError:
     case QCanBusDevice::UnknownError:
-        qWarning() << m_canDevice->errorString();
+        m_status->setText(m_canDevice->errorString());
     default:
         break;
     }
@@ -116,6 +118,8 @@ void MainWindow::connectDevice()
         return;
     }
 
+    m_numberFramesWritten = 0;
+
     connect(m_canDevice, &QCanBusDevice::errorOccurred, this, &MainWindow::processErrors);
     connect(m_canDevice, &QCanBusDevice::framesReceived, this, &MainWindow::processReceivedFrames);
     connect(m_canDevice, &QCanBusDevice::framesWritten, this, &MainWindow::processFramesWritten);
@@ -167,7 +171,8 @@ void MainWindow::disconnectDevice()
 
 void MainWindow::processFramesWritten(qint64 count)
 {
-    qDebug() << "Number of frames written:" << count;
+    m_numberFramesWritten += count;
+    m_written->setText(tr("%1 frames written").arg(m_numberFramesWritten));
 }
 
 void MainWindow::closeEvent(QCloseEvent *event)
diff --git a/examples/serialbus/can/mainwindow.h b/examples/serialbus/can/mainwindow.h
index a23fbae..b0c6ef9 100644
--- a/examples/serialbus/can/mainwindow.h
+++ b/examples/serialbus/can/mainwindow.h
@@ -80,8 +80,10 @@ protected:
 private:
     void initActionsConnections();
 
+    qint64 m_numberFramesWritten = 0;
     Ui::MainWindow *m_ui = nullptr;
     QLabel *m_status = nullptr;
+    QLabel *m_written = nullptr;
     ConnectDialog *m_connectDialog = nullptr;
     QCanBusDevice *m_canDevice = nullptr;
 };