Python实例讲解 -- wxpython 最小到托盘及欢迎图片

需要注意的是，这里是托盘上的图标弹出菜单是覆盖了CreatePopupMenu

也可以绑定2个方法，一个wx.EVT_TASKBAR_RIGHT_DOWN，方法里面生成menu，然后再来一个wx.EVT_MENU，定义要处理的事件函数。

还有一个就是Wx窗体上的最小化按钮，触发的事件是 wx.EVT_ICONIZE,而根本就没有定义什么wx.EVT_MINIMIZE,但是最大化，有个wx.EVT_MAXIMIZE。

    #!/usr/bin/python  
    # _*_ coding: utf-8 _*_  
      
    import wx  
    class TaskBarIcon(wx.TaskBarIcon):  
        ID_Hello = wx.NewId()  
        def __init__(self, frame):  
            wx.TaskBarIcon.__init__(self)  
            self.frame = frame  
            self.SetIcon(wx.Icon(name='wx.ico', type=wx.BITMAP_TYPE_ICO), 'TaskBarIcon!')  
            self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarLeftDClick)  
            self.Bind(wx.EVT_MENU, self.OnHello, id=self.ID_Hello)  
      
        def OnTaskBarLeftDClick(self, event):  
            if self.frame.IsIconized():  
               self.frame.Iconize(False)  
            if not self.frame.IsShown():  
               self.frame.Show(True)  
            self.frame.Raise()  
      
        def OnHello(self, event):  
            wx.MessageBox('Hello From TaskBarIcon!', 'Prompt')  
      
        # override  
        def CreatePopupMenu(self):  
            menu = wx.Menu()  
            menu.Append(self.ID_Hello, 'Hello')  
            return menu  
      
    class Frame(wx.Frame):  
        def __init__(  
                self, parent=None, id=wx.ID_ANY, title='TaskBarIcon', pos=wx.DefaultPosition,  
                size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE  
                ):  
            wx.Frame.__init__(self, parent, id, title, pos, size, style)    
      
            # create a welcome screen  
            screen = wx.Image(self.screenIm).ConvertToBitmap()  
            wx.SplashScreen(screen, wx.SPLASH_CENTRE_ON_SCREEN | wx.SPLASH_TIMEOUT,1000, None, -1)  
            wx.Yield()  
             
            self.SetIcon(wx.Icon('wx.ico', wx.BITMAP_TYPE_ICO))  
            panel = wx.Panel(self, wx.ID_ANY)  
            button = wx.Button(panel, wx.ID_ANY, 'Hide Frame', pos=(60, 60))  
             
            sizer = wx.BoxSizer()  
            sizer.Add(button, 0)  
            panel.SetSizer(sizer)  
            self.taskBarIcon = TaskBarIcon(self)          
             
            # bind event  
            self.Bind(wx.EVT_BUTTON, self.OnHide, button)  
            self.Bind(wx.EVT_CLOSE, self.OnClose)  
            self.Bind(wx.EVT_ICONIZE, self.OnIconfiy) # 最小化事件绑定  
        def OnHide(self, event):  
            self.Hide()  
        def OnIconfiy(self, event):  
            wx.MessageBox('Frame has been iconized!', 'Prompt')  
            event.Skip()  
        def OnClose(self, event):  
            self.taskBarIcon.Destroy()  
            self.Destroy()  
      
    def TestFrame():  
        app = wx.PySimpleApp()  
        frame = Frame(size=(640, 480))  
        frame.Centre()  
        frame.Show()  
        app.MainLoop()  
    if __name__ == '__main__':  
        TestFrame()