examples/hello_widgets.py


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#!/usr/bin/env python3
"""Minimal PySide6 Widgets app: a counter demonstrating signals/slots."""

import sys

from PySide6.QtWidgets import (
    QApplication,
    QLabel,
    QPushButton,
    QVBoxLayout,
    QWidget,
)


def main() -> int:
    app = QApplication(sys.argv)

    window = QWidget()
    window.setWindowTitle("Hello PySide6")

    label = QLabel("Clics : 0")
    button = QPushButton("Cliquer")

    count = 0

    def on_click() -> None:
        nonlocal count
        count += 1
        label.setText(f"Clics : {count}")

    button.clicked.connect(on_click)

    layout = QVBoxLayout(window)
    layout.addWidget(label)
    layout.addWidget(button)

    window.resize(240, 100)
    window.show()
    return app.exec()


if __name__ == "__main__":
    sys.exit(main())