在wxPython中找到一个用python实现的Splash

代码如下，按照代码逻辑，这个Splash应该在鼠标点击或者3秒钟之后，自动关闭

实际代码中，超过3秒钟也没有反应。

由于对wxPython不太熟悉，麻烦大家帮我找找问题在什么地方。

ps：图片为任意jpg格式图片。“Model.JPG”

class SplashScreen(wx.Frame):

    def __init__(self, parent, ID=-1, title="SplashScreen",

                 style=wx.SIMPLE_BORDER | wx.STAY_ON_TOP | wx.SPLASH_TIMEOUT,

                 duration=1500, bitmapfile="bitmaps/splashscreen.bmp",

                 callback=None):

        '''

        parent, ID, title, style -- see wx.Frame

        duration -- milliseconds to display the splash screen

        bitmapfile -- absolute or relative pathname to image file

        callback -- if specified, is called when timer completes, callback is

                    responsible for closing the splash screen

        '''

        ### Loading bitmap

        self.bitmap = bmp = wx.Image(bitmapfile, wx.BITMAP_TYPE_ANY).ConvertToBitmap()

 

        ### Determine size of bitmap to size window...

        size = (bmp.GetWidth(), bmp.GetHeight())

 

        # size of screen

        width = wx.SystemSettings_GetMetric(wx.SYS_SCREEN_X)

        height = wx.SystemSettings_GetMetric(wx.SYS_SCREEN_Y)

        pos = ((width - size[0]) / 2, (height - size[1]) / 2)

 

        # check for overflow...

        if pos[0] < 0:

            size = (wx.SystemSettings_GetSystemMetric(wx.SYS_SCREEN_X), size[1])

        if pos[1] < 0:

            size = (size[0], wx.SystemSettings_GetSystemMetric(wx.SYS_SCREEN_Y))

 

        wx.Frame.__init__(self, parent, ID, title, pos, size, style)

        self.Bind(wx.EVT_LEFT_DOWN, self.OnMouseClick)

        self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)

        self.Bind(wx.EVT_PAINT, self.OnPaint)

        self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBG)

 

        self.Show(True)

        print duration

 

 

        class SplashTimer(wx.Timer):

            def __init__(self, targetFunction):

                self.Notify = targetFunction

                wx.Timer.__init__(self)

 

        if callback is None:

            callback = self.OnSplashExitDefault

 

        self.timer = SplashTimer(callback)

        # self.Bind(wx.EVT_TIMER, self.OnSplashExitDefault, self.timer)

        self.timer.Start(duration, False) # one-shot only

 

    def OnPaint(self, event):

        dc = wx.PaintDC(self)

        dc.DrawBitmap(self.bitmap, 0, 0, False)

 

    def OnEraseBG(self, event):

        pass

 

    def OnSplashExitDefault(self, event=None):

        print "close my'self by time"

        self.Close(True)

 

    def OnCloseWindow(self, event=None):

        self.Show(False)

        self.timer.Stop()

        del self.timer

        self.Destroy()

 

    def OnMouseClick(self, event):

        self.timer.Notify()

 

 

class DemoApp(wx.App):

    def OnInit(self):

        wx.InitAllImageHandlers()

        self.splash = SplashScreen(None, duration=3000, bitmapfile="Model.jpg", callback=self.OnSplashExit)

        self.splash.Show(True)

        self.SetTopWindow(self.splash)

        return True

 

    def OnSplashExit(self, event=None):

        print "Yay! Application callback worked!"

        self.splash.Close(True)

        del self.splash

        ### Build working windows here...

 

#----------------------------------------------------------------------

 

 

if __name__ == "__main__":

    def test(sceneGraph=None):

        app = DemoApp(0)

        app.MainLoop()

 

    test()