Prompt before closing while process is running

Author: AdrianTM

src/mainwindow.cpp

@@ -4127,6 +4127,22 @@ void MainWindow::comboUser_currentIndexChanged(int index)
     displayFlatpaks(true);
 }
 
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    if (cmd.state() != QProcess::NotRunning) {
+        if (QMessageBox::warning(this, tr("Quit?"),
+                                 tr("Process still running, quitting might leave the system in an unstable "
+                                    "state.<p><b>Are you sure you want to exit MX Package Installer?</b>"),
+                                 QMessageBox::Yes, QMessageBox::No)
+            == QMessageBox::No) {
+            event->ignore();
+            return;
+        }
+        cleanup();
+    }
+    event->accept();
+}
+
 // Process keystrokes
 void MainWindow::keyPressEvent(QKeyEvent *event)
 {

src/mainwindow.h

@@ -24,6 +24,7 @@
  **********************************************************************/
 #pragma once
 
+#include <QCloseEvent>
 #include <QCommandLineParser>
 #include <QAction>
 #include <QFile>
@@ -86,6 +87,7 @@ class MainWindow : public QDialog
     ~MainWindow() override;
 
 protected:
+    void closeEvent(QCloseEvent *event) override;
     void keyPressEvent(QKeyEvent *event) override;
 
 signals: