import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import QTimer, QTime
class MyWindow(QWidget):
def __init__(self):
super().__init__()
self.timer = QTimer(self)
self.timer.setInterval(0.5)
self.timer.timeout.connect(self.timeout)
self.setWindowTitle('QTimer')
self.setGeometry(100, 100, 600, 280)
layout = QVBoxLayout()
self.lcd = QLCDNumber()
self.lcd.display('')
self.lcd.setDigitCount(15)
subLayout = QHBoxLayout()
self.btnStart = QPushButton("시작")
self.btnStart.clicked.connect(self.onStartButtonClicked)
self.btnStop = QPushButton("멈춤")
self.btnStop.clicked.connect(self.onStopButtonClicked)
layout.addWidget(self.lcd)
subLayout.addWidget(self.btnStart)
subLayout.addWidget(self.btnStop)
layout.addLayout(subLayout)
self.btnStop.setEnabled(False)
self.setLayout(layout)
def onStartButtonClicked(self):
self.timer.start()
self.btnStop.setEnabled(True)
self.btnStart.setEnabled(False)
def onStopButtonClicked(self):
self.timer.stop()
self.btnStop.setEnabled(False)
self.btnStart.setEnabled(True)
def timeout(self):
sender = self.sender()
currentTime = QTime.currentTime().toString("hh:mm:ss,zzz")
if id(sender) == id(self.timer):
self.lcd.display(currentTime)
if __name__ == "__main__":
app = QApplication(sys.argv)
myWindow = MyWindow()
myWindow.show()
sys.exit(app.exec_())
