MainWindow: disconnect signals during closeEventfix-segfault-at-quit

2 files changed, 8 insertions, 0 deletions

diff --git a/src/mainwindow/mainwindow.cpp b/src/mainwindow/mainwindow.cpp
index e16f34f..c54c8e3 100644
--- a/src/mainwindow/mainwindow.cpp
+++ b/src/mainwindow/mainwindow.cpp
@@ -177,10 +177,14 @@ void MainWindow::setCurrentSubWindow(SubWindow *subwindow)
     setWindowTitle(QString("[%1] - %2").arg(subwindow->windowTitle(), defaultWindowTitle));
 
     // connect signlas
+    disconnect(windowTitleConnection);
     disconnect(viewChangedConnection);
     disconnect(statusBarConnection);
 
     setView(subwindow->currentView());
+    windowTitleConnection = connect(subwindow, &SubWindow::windowTitleChanged, this, [this](const QString &title) {
+        setWindowTitle(QString("[%1] - %2").arg(title, defaultWindowTitle));
+    });
     viewChangedConnection = connect(subwindow, &SubWindow::currentViewChanged, this, &MainWindow::setView);
     statusBarConnection = connect(subwindow, &SubWindow::showStatusMessage, statusBar(), &QStatusBar::showMessage);
 }
@@ -201,5 +205,8 @@ void MainWindow::closeEvent(QCloseEvent *event)
             return;
         }
     }
+    disconnect(windowTitleConnection);
+    disconnect(viewChangedConnection);
+    disconnect(statusBarConnection);
     event->accept();
 }
diff --git a/src/mainwindow/mainwindow.h b/src/mainwindow/mainwindow.h
index 2b9f82b..bec2cdd 100644
--- a/src/mainwindow/mainwindow.h
+++ b/src/mainwindow/mainwindow.h
@@ -86,6 +86,7 @@ private:
 
     QVector<SubWindow *> m_subwindows;
 
+    QMetaObject::Connection windowTitleConnection;
     QMetaObject::Connection viewChangedConnection;
     QMetaObject::Connection statusBarConnection;
 };