Exit btn

mainwindow.cpp

@@ -1048,5 +1048,5 @@ void MainWindow::on_addStep_clicked()
     this->addNewStep();
 }
 
-
+void MainWindow::on_actionExit_triggered() { QApplication::quit(); }
 

mainwindow.h

@@ -125,6 +125,8 @@ private slots:
 
     void on_addStep_clicked();
 
+    void on_actionExit_triggered();
+
 private:
     Ui::MainWindow *ui;
     QString currentFile;

mainwindow.ui

@@ -495,6 +495,7 @@
     <addaction name="actionOpen"/>
     <addaction name="actionSave"/>
     <addaction name="actionSave_as"/>
+    <addaction name="actionExit"/>
    </widget>
    <widget class="QMenu" name="menuEdit">
     <property name="title">
@@ -839,6 +840,14 @@
     <string>Overline</string>
    </property>
   </action>
+  <action name="actionExit">
+   <property name="text">
+    <string>Exit</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Q</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="data.qrc"/>