9fb56e0cbc
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4636 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
#----------------------------------------------------------------------
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# Name: wxPython.lib.splashscreen
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# Purpose: A simple frame that can display a bitmap and closes itself
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# after a specified timeout or a mouse click.
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#
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# Author: Mike Fletcher, Robin Dunn
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#
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# Created: 19-Nov-1999
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# RCS-ID: $Id$
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# Copyright: (c) 1999 by Total Control Software
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# Licence: wxWindows license
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#----------------------------------------------------------------------
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from wxPython.wx import *
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#----------------------------------------------------------------------
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def bitmapFromFile(filename):
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'''Non-portable test for bitmap type...'''
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import imghdr
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BITMAPTYPEGUESSDICT = {
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"bmp" :wxBITMAP_TYPE_BMP,
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"png" :wxBITMAP_TYPE_PNG,
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"jpeg":wxBITMAP_TYPE_JPEG,
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"gif" :wxBITMAP_TYPE_GIF,
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"xbm" :wxBITMAP_TYPE_XBM,
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}
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# following assumes bitmap type if we cannot resolve image type
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typ = BITMAPTYPEGUESSDICT.get(imghdr.what(filename), wxBITMAP_TYPE_BMP)
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bitmap = wxImage(filename, typ).ConvertToBitmap()
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return bitmap
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#----------------------------------------------------------------------
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class SplashScreen(wxFrame):
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def __init__(self, parent, ID=-1, title="SplashScreen", style=wxSTAY_ON_TOP,
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duration=1500, bitmapfile="bitmaps/splashscreen.bmp", callback = None):
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'''
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parent, ID, title, style -- see wxFrame
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duration -- milliseconds to display the splash screen
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bitmapfile -- absolute or relative pathname, extension used for type negotiation
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callback -- if specified, is called when timer completes, callback is responsible for closing the splash screen
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'''
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### Loading bitmap
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self.bitmap = bmp = bitmapFromFile(bitmapfile)
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### Determine size of bitmap to size window...
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size = (bmp.GetWidth(), bmp.GetHeight())
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# size of screen
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width = wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_X)
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height = wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_Y)
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pos = ((width-size[0])/2, (height-size[1])/2)
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# check for overflow...
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if pos[0] < 0:
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size = (wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_X), size[1])
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if pos[1] < 0:
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size = (size[0], wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_Y))
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wxFrame.__init__(self, parent, ID, title, pos, size, style)
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self.Show(true)
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dc = wxClientDC(self)
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dc.DrawBitmap(self.bitmap, 0,0, false)
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class SplashTimer(wxTimer):
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def __init__(self, targetFunction):
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self.Notify = targetFunction
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wxTimer.__init__(self)
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if callback is None:
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callback = self.OnSplashExitDefault
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self.timer = SplashTimer(callback)
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self.timer.Start(duration, 1) # one-shot only
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EVT_LEFT_DOWN(self, self.OnMouseClick)
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def OnSplashExitDefault(self, event=None):
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self.Close(true)
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def OnCloseWindow(self, event=None):
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self.Show(false)
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self.timer.Stop()
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del self.timer
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self.Destroy()
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def OnMouseClick(self, event):
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self.timer.Notify()
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#----------------------------------------------------------------------
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if __name__ == "__main__":
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class DemoApp(wxApp):
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def OnInit(self):
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wxImage_AddHandler(wxJPEGHandler())
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wxImage_AddHandler(wxPNGHandler())
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wxImage_AddHandler(wxGIFHandler())
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self.splash = SplashScreen(NULL, bitmapfile="splashscreen.jpg", callback=self.OnSplashExit)
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self.splash.Show(true)
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self.SetTopWindow(self.splash)
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return true
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def OnSplashExit(self, event=None):
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print "Yay! Application callback worked!"
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self.splash.Close(true)
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del self.splash
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### Build working windows here...
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def test(sceneGraph=None):
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app = DemoApp(0)
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app.MainLoop()
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test()
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