about qt dialog added

src/gui/mainwindow.cpp

@@ -46,6 +46,7 @@ MainWindow::MainWindow()
             &MainWindow::onCancelAllArticlesButtonClicked);
     connect(static_cast<BasketModel*>(ui_.basketView->model()), &BasketModel::basketDataChanged,
             static_cast<SaleModel*>(ui_.salesView->model()), &SaleModel::onBasketDataChanged);
+    connect(ui_.aboutQtAction, &QAction::triggered, this, &MainWindow::onAboutQt);
 }
 
 void MainWindow::onActionEditSellerTriggered()
@@ -205,3 +206,5 @@ void MainWindow::onCancelAllArticlesButtonClicked([[maybe_unused]] bool checked)
 
     dynamic_cast<BasketModel*>(ui_.basketView->model())->cancelSale();
 }
+
+void MainWindow::onAboutQt() { QMessageBox::aboutQt(this); }

src/gui/mainwindow.h

@@ -25,6 +25,7 @@ class MainWindow : public QMainWindow
     void onCancelArticleButtonClicked(bool checked);
     void onCancelSaleButtonClicked(bool checked);
     void onCancelAllArticlesButtonClicked(bool checked);
+    void onAboutQt();
 
   private:
     void onActionEditSellerTriggered();

src/gui/mainwindow.ui

@@ -385,14 +385,14 @@ drucken</string>
      <x>0</x>
      <y>0</y>
      <width>817</width>
-     <height>24</height>
+     <height>14</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_Datei">
     <property name="title">
      <string>&amp;Datei</string>
     </property>
-    <addaction name="actionEinstellungen"/>
+    <addaction name="configAction"/>
     <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
@@ -406,7 +406,8 @@ drucken</string>
     <property name="title">
      <string>&amp;Hilfe</string>
     </property>
-    <addaction name="action_ber"/>
+    <addaction name="aboutAction"/>
+    <addaction name="aboutQtAction"/>
    </widget>
    <addaction name="menu_Datei"/>
    <addaction name="menu_Edit"/>
@@ -427,14 +428,19 @@ drucken</string>
     <string>&amp;Bearbeiten</string>
    </property>
   </action>
-  <action name="actionEinstellungen">
+  <action name="configAction">
    <property name="text">
-    <string>Einstellungen...</string>
+    <string>Einstellungen</string>
    </property>
   </action>
-  <action name="action_ber">
+  <action name="aboutAction">
    <property name="text">
-    <string>Über...</string>
+    <string>Über</string>
+   </property>
+  </action>
+  <action name="aboutQtAction">
+   <property name="text">
+    <string>Über Qt</string>
    </property>
   </action>
  </widget>