wxpython多线程间通信

wxpython多线程间通信

#!bin/bash/python
# -*- coding=utf-8 -*-

import time
import wx
from threading import Thread
from wx.lib.pubsub import pub

class TestThread(Thread):
    def __init__(self):
        Thread.__init__(self)
        self.start()
    def run(self):
        #线程执行的代码
        for i in range(101):
            time.sleep(0.03)
            wx.CallAfter(pub.sendMessage, "update", msg=i)
            time.sleep(0.5)

class MyForm ( wx.Frame ):
    def __init__( self, parent ):
        wx.Frame.__init__ ( self, parent, id = wx.ID_ANY, title = "www.OmegaXYZ.com", pos = wx.DefaultPosition, size = wx.Size( -1,-1 ), style = wx.DEFAULT_FRAME_STYLE|wx.TAB_TRAVERSAL )
        self.SetSizeHintsSz( wx.DefaultSize, wx.DefaultSize )
        gSizer2 = wx.GridSizer( 0, 3, 0, 0 )
        self.m_button2 = wx.Button( self, wx.ID_ANY, "执行线程", wx.DefaultPosition, wx.DefaultSize, 0 )
        gSizer2.Add( self.m_button2, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
        self.m_staticText2 = wx.StaticText( self, wx.ID_ANY, "MyLabel", wx.DefaultPosition, wx.DefaultSize, 0 )
        self.m_staticText2.Wrap( -1 )
        gSizer2.Add( self.m_staticText2, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
        self.m_gauge1 = wx.Gauge( self, wx.ID_ANY, 100, wx.DefaultPosition, wx.DefaultSize, wx.GA_HORIZONTAL )
        self.m_gauge1.SetValue( 0 )
        gSizer2.Add( self.m_gauge1, 0, wx.ALL|wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL, 5 )
        self.SetSizer( gSizer2 )
        self.Layout()
        gSizer2.Fit( self )
        self.Centre( wx.BOTH )
        self.m_button2.Bind( wx.EVT_BUTTON, self.onButton )

        pub.subscribe(self.updateDisplay, "update")
    def updateDisplay(self, msg):
        t = msg
        if isinstance(t, int):#如果是数字，说明线程正在执行，显示数字
            self.m_staticText2.SetLabel("%s%%" % t)
            self.m_gauge1.SetValue( t )
        else:#否则线程未执行，将按钮重新开启
            self.m_staticText2.SetLabel("%s" % t)
            self.m_button2.Enable()
    def onButton( self, event ):
        TestThread()
        self.m_staticText2.SetLabel("线程开始")
        event.GetEventObject().Disable()


if __name__ == "__main__":
    app = wx.App()
    MyForm(None).Show()
    app.MainLoop()

 

摘抄: http://www.omegaxyz.com/2017/10/31/wxpython_thread_sendmessage/

 

posted @ 2019-04-16 19:35 douzujun 阅读( ...) 评论( ...) 编辑 收藏