Digital Clock Example¶
The Digital Clock example shows how to use QLCDNumber to display a number with LCD-like digits.
This example also demonstrates how QTimer can be used to update a widget at regular intervals.
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
import sys
from PySide6.QtCore import QTime, QTimer, Slot
from PySide6.QtWidgets import QApplication, QLCDNumber
class DigitalClock(QLCDNumber):
def __init__(self, parent=None):
super().__init__(parent)
self.setSegmentStyle(QLCDNumber.Filled)
self.setDigitCount(8)
self.timer = QTimer(self)
self.timer.timeout.connect(self.show_time)
self.timer.start(1000)
self.show_time()
self.setWindowTitle("Digital Clock")
self.resize(250, 60)
@Slot()
def show_time(self):
time = QTime.currentTime()
text = time.toString("hh:mm:ss")
# Blinking effect
if (time.second() % 2) == 0:
text = text.replace(":", " ")
self.display(text)
if __name__ == "__main__":
app = QApplication(sys.argv)
clock = DigitalClock()
clock.show()
sys.exit(app.exec())