PyQt/Demo/QtThreading.py
2019-03-08 13:19:03 +08:00

70 lines
1.5 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2019年3月8日
@author: Irony
@site: https://pyqt5.com https://github.com/892768447
@email: 892768447@qq.com
@file: Threading.QtThreading
@description:
"""
from threading import Thread
from time import sleep
from PyQt5.QtCore import QObject, pyqtSignal, QTimer, Qt
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QProgressBar
__Author__ = """By: Irony
QQ: 892768447
Email: 892768447@qq.com"""
__Copyright__ = 'Copyright (c) 2019 Irony'
__Version__ = 1.0
class _Signals(QObject):
updateProgress = pyqtSignal(int)
Signals = _Signals()
class UpdateThread(Thread):
def run(self):
self.i = 0
for i in range(101):
self.i += 1
Signals.updateProgress.emit(i)
sleep(1)
self.i = 0
Signals.updateProgress.emit(i)
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.resize(400, 400)
layout = QVBoxLayout(self)
self.progressBar = QProgressBar(self)
layout.addWidget(self.progressBar)
Signals.updateProgress.connect(
self.progressBar.setValue, type=Qt.QueuedConnection)
QTimer.singleShot(2000, self.doStart)
def doStart(self):
self.updateThread = UpdateThread(daemon=True)
self.updateThread.start()
if __name__ == '__main__':
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())