Python PyQt5.QtWidgets.QApplication.setAttribute() Examples

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Example #1
Source File: __main__.py    From VirtScreen with GNU General Public License v3.0 6 votes vote down vote up 
def main_gui(args: argparse.Namespace):
    QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
    app = QApplication(sys.argv)
    loop = QEventLoop(app)
    asyncio.set_event_loop(loop)

    # Check environment first
    from PyQt5.QtWidgets import QMessageBox, QSystemTrayIcon
    def dialog(message: str) -> None:
        QMessageBox.critical(None, "VirtScreen", message)
    if not QSystemTrayIcon.isSystemTrayAvailable():
        dialog("Cannot detect system tray on this system.")
        sys.exit(1)
    check_env(args, dialog)

    app.setApplicationName("VirtScreen")
    app.setWindowIcon(QIcon(ICON_PATH))
    os.environ["QT_QUICK_CONTROLS_STYLE"] = "Material"

    # Register the Python type.  Its URI is 'People', it's v1.0 and the type
    # will be called 'Person' in QML.
    qmlRegisterType(DisplayProperty, 'VirtScreen.DisplayProperty', 1, 0, 'DisplayProperty')
    qmlRegisterType(Backend, 'VirtScreen.Backend', 1, 0, 'Backend')
    qmlRegisterType(Cursor, 'VirtScreen.Cursor', 1, 0, 'Cursor')
    qmlRegisterType(Network, 'VirtScreen.Network', 1, 0, 'Network')

    # Create a component factory and load the QML script.
    engine = QQmlApplicationEngine()
    engine.load(QUrl(MAIN_QML_PATH))
    if not engine.rootObjects():
        dialog("Failed to load QML")
        sys.exit(1)
    sys.exit(app.exec_())
    with loop:
        loop.run_forever()