05_window_center.py

#
# MIT License
#
# Copyright (c) 2023-2024 Erriez
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# Source: https://github.com/Erriez/pyside6-getting-started
#

from PySide6.QtWidgets import QApplication, QWidget
from PySide6.QtGui import QScreen
import sys


class Window(QWidget):
    def __init__(self):
        super().__init__()

        # Resize window
        self.resize(250, 150)

        # Set window title
        self.setWindowTitle('Center')

        # Center window on screen
        self.window_center()

    def window_center(self):
        # Window move on Wayland not supported in Qt
        # Works on Linux X11 and Windows 10/11!
        # https://stackoverflow.com/questions/75050226/pyside6-qmainwindow-move-not-working-on-ubuntu

        # Get Screen geometry
        screen_size = QScreen.availableGeometry(QApplication.primaryScreen())
        # Set X Position Center
        x = (screen_size.width() - self.width()) / 2
        # Set Y Position Center
        y = (screen_size.height() - self.height()) / 2
        # Set Form's Center Location
        self.move(x, y)


def main():
    app = QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(app.exec())


if __name__ == '__main__':
    main()