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PyQt4实时显示的另一种实现方式
# -*- coding: utf-8 -*-
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import sys
import os
import time class Test(QDialog):
def __init__(self,parent=None):
super(Test,self).__init__(parent)
self.thread=Worker()
self.listFile=QListWidget()
self.btnStart=QPushButton('Start')
layout=QGridLayout(self)
layout.addWidget(self.listFile,0,0,1,2)
layout.addWidget(self.btnStart,1,1)
self.connect(self.btnStart,SIGNAL('clicked()'),self.slotStart)
self.connect(self.thread,SIGNAL('output(QString)'),self.slotAdd)
def slotAdd(self,file_inf):
self.listFile.addItem(file_inf)
def slotStart(self):
self.btnStart.setEnabled(False)
self.thread.start()
class Worker(QThread):
def __init__(self,parent=None):
super(Worker,self).__init__(parent)
self.working=True
self.num=0
def __del__(self):
self.working=False
self.wait()
def run(self):
while self.working==True:
file_str='File index {0}'.format(self.num)
self.num+=1
self.emit(SIGNAL('output(QString)'),file_str)
self.sleep(3)
app=QApplication(sys.argv)
dlg=Test()
dlg.show()
sys.exit(app.exec_())
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