tempo-plotter Changeset - eec08765e920 · protofusion repositories

Changeset - eec08765e920

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Hasan Yavuz ÖZDERYA - 10 years ago 2015-07-24 00:03:29
hy@ozderya.net

fix segmentation fault when closing application

2 files changed with 4 insertions and 2 deletions:

main.cpp

mainwindow.cpp

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main.cpp

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@@ @@ -25,12 +25,13 @@ @@
 MainWindow* pMainWindow;
 void messageHandler(QtMsgType type, const QMessageLogContext &context,
                     const QString &msg)
+{
     // TODO: don't call MainWindow::messageHandler if window is destroyed
     pMainWindow->messageHandler(type, context, msg);
+}
 int main(int argc, char *argv[])
+{
     QApplication a(argc, argv);

mainwindow.cpp

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@@ @@ -189,12 +189,13 @@ MainWindow::~MainWindow() @@
     if (serialPort.isOpen())
+    {
         serialPort.close();
+    }
     delete ui;
     ui = NULL; // we check if ui is deleted in messageHandler
+}
 void MainWindow::setupAboutDialog()
+{
     Ui_AboutDialog uiAboutDialog;
     uiAboutDialog.setupUi(&aboutDialog);
@@ @@ -725,16 +726,16 @@ void MainWindow::messageHandler(QtMsgTyp @@
             break;
         case QtFatalMsg:
             logString = "[Fatal] " + msg;
             break;
+    }
     ui->ptLog->appendPlainText(logString);
+    if (ui != NULL) ui->ptLog->appendPlainText(logString);
     std::cerr << logString.toStdString() << std::endl;
     if (type != QtDebugMsg)
+    if (type != QtDebugMsg && ui != NULL)
+    {
         ui->statusBar->showMessage(msg, 5000);
+    }
+}
 void MainWindow::unzoomed()

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