[PyQt] Push Button issue

[deanhystad]

    def __init__(self, *args, **kwargs):
 
        self.timer = QTimer()
        self.timer.timeout.connect(self.update_time)
        …
        self.start_button = QPushButton(self)
        self.start_button.setStyleSheet("QPushButton {background-color: yellow; font-size: 15pt;}")
        self.start_button.setText("Start")
        self.start_button.clicked.connect(self.start_timer)  # Connect button here.  Right after you make it
 
 
        self.my_counter = 0
        self.my_counter1 = 0
        self.my_counter2 = 0
 
 

I have PySide2 instead of Qt5, but they are nearly identical. The signal for the QPushbutton is clicked() instead of click(). Decided to use only one label for the time display 'cause I am lazy.

import sys
from PySide2.QtCore import QTimer
from PySide2.QtWidgets import QWidget, QLabel, QPushButton, QGridLayout, QApplication
 
class Stopwatch(QWidget):
 
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
 
        self.tics = 0
        self.increment = 10
        self.timer = QTimer()
        self.timer.timeout.connect(self.update_time)
        
        self.time_display = QLabel(self, text='00:00:00.00')
        self.time_display.setStyleSheet("QLabel {background-color: white; font-size: 50pt;}")
        
        self.start_button = QPushButton(self)
        self.start_button.setStyleSheet("QPushButton {background-color: yellow; font-size: 20pt;}")
        self.start_button.setText("Start")
        self.start_button.clicked.connect(self.start_timer)
        
        self.layout = QGridLayout(self)
        self.layout.addWidget(self.time_display, 0, 0)
        self.layout.addWidget(self.start_button, 1, 0)
          
    def update_time(self):
        """Increment counter and update time display"""
        # Calculate hours:minutes:seconds
        self.tics += self.increment
        h = self.tics // 3600000
        m = (self.tics // 60000) % 60
        s = (self.tics / 1000) % 60
        self.time_display.setText(f'{h:02d}:{m:02d}:{s:05.2f}')
 
    def start_timer(self):
        """Start/Stop the timer"""
        if self.start_button.text() == 'Start':
            self.tics = 0
            self.start_button.setText('Stop')
            self.timer.start(self.increment)
        else:
            self.timer.stop()
            self.start_button.setText('Start')
  
app = QApplication(sys.argv)
win = Stopwatch()
win.setWindowTitle('Stopwatch')
win.show()
sys.exit(app.exec_())