Add status bar instead of using an message box for displaying error messages.

main.cpp

@@ -39,93 +39,6 @@
 #define SERIAL_PORT "ttyUSB0"
 #endif
 
-#if 0
-static QGraphicsProxyWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),
-                                        const QSizeF &preferred = QSize(150.0, 100.0),
-                                        const QSizeF &maximum = QSizeF(200.0, 100.0),
-                                        const QString &name = "0")
-{
-    QGraphicsProxyWidget *w = new QGraphicsProxyWidget;
-    w->setWidget(new QPushButton(name));
-    w->setData(0, name);
-    w->setMinimumSize(minimum);
-    w->setPreferredSize(preferred);
-    w->setMaximumSize(maximum);
-
-    w->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
-    return w;
-}
-
-int main(int argc, char **argv)
-{
-    QApplication app(argc, argv);
-
-    QGraphicsScene scene;
-    scene.setSceneRect(0, 0, 800, 480);
-
-    QSizeF minSize(30, 100);
-    QSizeF prefSize(210, 100);
-    QSizeF maxSize(300, 100);
-
-    QGraphicsProxyWidget *a = createItem(minSize, prefSize, maxSize, "A");
-    QGraphicsProxyWidget *b = createItem(minSize, prefSize, maxSize, "B");
-    QGraphicsProxyWidget *c = createItem(minSize, prefSize, maxSize, "C");
-    QGraphicsProxyWidget *d = createItem(minSize, prefSize, maxSize, "D");
-    QGraphicsProxyWidget *e = createItem(minSize, prefSize, maxSize, "E");
-    QGraphicsProxyWidget *f = createItem(QSizeF(30, 50), QSizeF(150, 50), maxSize, "F (overflow)");
-    QGraphicsProxyWidget *g = createItem(QSizeF(30, 50), QSizeF(30, 100), maxSize, "G (overflow)");
-
-    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
-    l->setSpacing(0);
-
-    QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window);
-    w->setPos(20, 20);
-    w->setLayout(l);
-
-    // vertical
-    l->addAnchor(a, Qt::AnchorTop, l, Qt::AnchorTop);
-    l->addAnchor(b, Qt::AnchorTop, l, Qt::AnchorTop);
-
-    l->addAnchor(c, Qt::AnchorTop, a, Qt::AnchorBottom);
-    l->addAnchor(c, Qt::AnchorTop, b, Qt::AnchorBottom);
-    l->addAnchor(c, Qt::AnchorBottom, d, Qt::AnchorTop);
-    l->addAnchor(c, Qt::AnchorBottom, e, Qt::AnchorTop);
-
-    l->addAnchor(d, Qt::AnchorBottom, l, Qt::AnchorBottom);
-    l->addAnchor(e, Qt::AnchorBottom, l, Qt::AnchorBottom);
-
-    l->addAnchor(c, Qt::AnchorTop, f, Qt::AnchorTop);
-    l->addAnchor(c, Qt::AnchorVerticalCenter, f, Qt::AnchorBottom);
-    l->addAnchor(f, Qt::AnchorBottom, g, Qt::AnchorTop);
-    l->addAnchor(c, Qt::AnchorBottom, g, Qt::AnchorBottom);
-
-    // horizontal
-    l->addAnchor(l, Qt::AnchorLeft, a, Qt::AnchorLeft);
-    l->addAnchor(l, Qt::AnchorLeft, d, Qt::AnchorLeft);
-    l->addAnchor(a, Qt::AnchorRight, b, Qt::AnchorLeft);
-
-    l->addAnchor(a, Qt::AnchorRight, c, Qt::AnchorLeft);
-    l->addAnchor(c, Qt::AnchorRight, e, Qt::AnchorLeft);
-
-    l->addAnchor(b, Qt::AnchorRight, l, Qt::AnchorRight);
-    l->addAnchor(e, Qt::AnchorRight, l, Qt::AnchorRight);
-    l->addAnchor(d, Qt::AnchorRight, e, Qt::AnchorLeft);
-
-    l->addAnchor(l, Qt::AnchorLeft, f, Qt::AnchorLeft);
-    l->addAnchor(l, Qt::AnchorLeft, g, Qt::AnchorLeft);
-    l->addAnchor(f, Qt::AnchorRight, g, Qt::AnchorRight);
-
-
-    scene.addItem(w);
-    scene.setBackgroundBrush(Qt::darkGreen);
-    QGraphicsView view(&scene);
-
-    view.show();
-
-    return app.exec();
-}
-#endif
-
 // argv[1]: file to send to dc
 int main(int argc, char *argv[]) {
     QByteArray const value = qgetenv("LC_ALL");
@@ -140,22 +53,6 @@ int main(int argc, char *argv[]) {
     QApplication::setApplicationName("ATBUpdateTool");
     QApplication::setApplicationVersion(APP_VERSION);
 
-#if 0
-    // vorbereitend
-    QGraphicsScene scene;
-    scene.setSceneRect(0, 0, 800, 480);
-
-    QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
-    l->setSpacing(0);
-
-    QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window);
-    w->setPos(20, 20);
-    w->setLayout(l);
-
-    QGraphicsView view(&scene);
-    // view.show();
-#endif
-
     if (!messageHandlerInstalled()) { // change internal qt-QDebug-handling
         atbInstallMessageHandler(atbDebugOutput);
         setDebugLevel(LOG_NOTICE);
@@ -230,6 +127,7 @@ int main(int argc, char *argv[]) {
     QThread::currentThread()->setObjectName("main thread");
     qInfo() << "Main thread" << QThread::currentThreadId();
 
+
     Worker worker(hw,
                   customerNr,
                   machineNr,

mainwindow.cpp

@@ -16,6 +16,16 @@ MainWindow::MainWindow(Worker *worker, QWidget *parent)
     , m_width(70)
     , m_progressRunning(false)
     , m_progressValue(0) {
+
+
+    this->setStatusBar(new QStatusBar(this));
+    QFont f;
+    f.setStyleHint(QFont::Monospace);
+    f.setWeight(QFont::Bold);
+    f.setFamily("Misc Fixed");
+    f.setPixelSize(12);
+    this->statusBar()->setFont(f);
+
     ui->setupUi(this);
 
     ui->updateProgress->setRange(0, 100);
@@ -214,30 +224,6 @@ void MainWindow::onReplaceLast(QString text, QString suffix) {
 }
 
 void MainWindow::onShowErrorMessage(QString title, QString text) {
-    text = text.leftJustified(50, ' ');
-    QMessageBox msgBox(QMessageBox::NoIcon, title,
-                       text, QMessageBox::Ok,
-                       this, Qt::FramelessWindowHint);
-    msgBox.resize(100, 50);
-
-    // msg.setStyleSheet("background-color: rgb(0, 0, 0);")
-    // msg.setStyleSheet("text-color: rgb(255, 255, 255);")
-
-    msgBox.setStyleSheet("QMessageBox{border: 1px solid black; background-color:white}");
-    msgBox.setDefaultButton(QMessageBox::Ok);
-    msgBox.defaultButton()->setVisible(false);
-
-    QTimer *t = new QTimer(this);
-    connect(t, SIGNAL(timeout()), msgBox.defaultButton(), SLOT(click()));
-    t->setSingleShot(true);
-    t->start(5 * 1000);
-
-    msgBox.show();
-    msgBox.move(0, 0);
-
-    if(msgBox.exec() == QMessageBox::Ok) {
-      // do something
-    } else {
-      // do something else
-    }
+    this->statusBar()->showMessage( // timeout: 5000
+        QString(title + ": " + text).leftJustified(80, ' '), 20000);
 }

mainwindow.h

@@ -3,6 +3,7 @@
 
 #include <QMainWindow>
 #include <QTimer>
+#include <QStatusBar>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }

mainwindow.ui

@@ -25,7 +25,7 @@
       <x>10</x>
       <y>10</y>
       <width>781</width>
-      <height>461</height>
+      <height>441</height>
      </rect>
     </property>
     <layout class="QGridLayout" name="gridLayout">