Use custom close dialog

The custom close dialog provides translated buttons

ui_close_dialog.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'ui_close_dialog.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.0
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_CloseDialog(object):
+    def setupUi(self, CloseDialog):
+        CloseDialog.setObjectName("CloseDialog")
+        CloseDialog.setWindowModality(QtCore.Qt.ApplicationModal)
+        CloseDialog.resize(313, 75)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Minimum)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(CloseDialog.sizePolicy().hasHeightForWidth())
+        CloseDialog.setSizePolicy(sizePolicy)
+        self.verticalLayout = QtWidgets.QVBoxLayout(CloseDialog)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.t_close = QtWidgets.QLabel(CloseDialog)
+        self.t_close.setObjectName("t_close")
+        self.verticalLayout.addWidget(self.t_close)
+        self.l_buttons = QtWidgets.QHBoxLayout()
+        self.l_buttons.setObjectName("l_buttons")
+        self.b_yes = QtWidgets.QPushButton(CloseDialog)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Minimum)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.b_yes.sizePolicy().hasHeightForWidth())
+        self.b_yes.setSizePolicy(sizePolicy)
+        self.b_yes.setObjectName("b_yes")
+        self.l_buttons.addWidget(self.b_yes)
+        self.b_no = QtWidgets.QPushButton(CloseDialog)
+        self.b_no.setObjectName("b_no")
+        self.l_buttons.addWidget(self.b_no)
+        self.verticalLayout.addLayout(self.l_buttons)
+
+        self.retranslateUi(CloseDialog)
+        QtCore.QMetaObject.connectSlotsByName(CloseDialog)
+
+    def retranslateUi(self, CloseDialog):
+        _translate = QtCore.QCoreApplication.translate
+        CloseDialog.setWindowTitle(_translate("CloseDialog", "Programm schließen"))
+        self.t_close.setText(_translate("CloseDialog", "Soll das Programm wirklich geschlossen werden?"))
+        self.b_yes.setText(_translate("CloseDialog", "Ja"))
+        self.b_no.setText(_translate("CloseDialog", "Nein"))

ui_close_dialog.ui

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CloseDialog</class>
+ <widget class="QDialog" name="CloseDialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>313</width>
+    <height>75</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Maximum" vsizetype="Minimum">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Programm schließen</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="t_close">
+     <property name="text">
+      <string>Soll das Programm wirklich geschlossen werden?</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="l_buttons">
+     <item>
+      <widget class="QPushButton" name="b_yes">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Ja</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="b_no">
+       <property name="text">
+        <string>Nein</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

wikicookbook.py

@@ -29,6 +29,7 @@ from ui_mainwindow import Ui_MainWindow
 from ui_code_dialog import Ui_WikiCode
 from ui_about_dialog import Ui_About
 from ui_clear_dialog import Ui_ClearDialog
+from ui_close_dialog import Ui_CloseDialog
 
 class AboutDialog(QDialog, Ui_About):
     def __init__(self, *args, **kwargs):
@@ -39,6 +40,16 @@ class AboutDialog(QDialog, Ui_About):
 
         self.show()
 
+class CloseDialog(QDialog, Ui_CloseDialog):
+    def __init__(self, *args, **kwargs):
+        super(CloseDialog, self).__init__(*args, **kwargs)
+        self.setupUi(self)
+
+        self.b_yes.clicked.connect(self.accept)
+        self.b_no.clicked.connect(self.reject)
+
+        self.show()
+
 class ClearDialog(QDialog, Ui_ClearDialog):
     def __init__(self, *args, **kwargs):
         super(ClearDialog, self).__init__(*args, **kwargs)
@@ -386,11 +397,9 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         """
         Close the application. A warning is shown before.
         """
-        reply = QMessageBox.question(self, "Sicher?",
-            "Möchten Sie wirklich schließen?",
-            QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
-        if reply == QMessageBox.Yes:
-            self.close()
+        dialog = CloseDialog()
+        dialog.accepted.connect(self.close)
+        dialog.exec_()
 
 
 if __name__ == "__main__":