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# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
from PySide6.QtCore import Slot, Qt
from PySide6.QtGui import QKeySequence
from PySide6.QtWidgets import QMainWindow, QMessageBox
from window import Window
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
menuWindow = self.menuBar().addMenu("Window")
menuWindow.addAction("Add new", QKeySequence(Qt.Modifier.CTRL | Qt.Key.Key_N),
self.onAddNew)
menuWindow.addAction("Quit", QKeySequence(Qt.Modifier.CTRL | Qt.Key.Key_Q),
qApp.closeAllWindows) # noqa: F821
self.onAddNew()
@Slot()
def onAddNew(self):
if not self.centralWidget():
self.setCentralWidget(Window(self))
else:
QMessageBox.information(self, "Cannot Add Window()",
"Already occupied. Undock first.")
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