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1 | #---------------------------------------------------------------------- |
2 | # Name: wxPython.lib.splashscreen | |
3 | # Purpose: A simple frame that can display a bitmap and closes itself | |
4 | # after a specified timeout or a mouse click. | |
5 | # | |
6 | # Author: Mike Fletcher, Robin Dunn | |
7 | # | |
8 | # Created: 19-Nov-1999 | |
9 | # RCS-ID: $Id$ | |
10 | # Copyright: (c) 1999 by Total Control Software | |
11 | # Licence: wxWindows license | |
12 | #---------------------------------------------------------------------- | |
13 | ||
14 | from wxPython.wx import * | |
15 | ||
16 | #---------------------------------------------------------------------- | |
17 | ||
18 | def bitmapFromFile(filename): | |
19 | '''Non-portable test for bitmap type...''' | |
20 | import imghdr | |
21 | BITMAPTYPEGUESSDICT = { | |
22 | "bmp" :wxBITMAP_TYPE_BMP, | |
23 | "png" :wxBITMAP_TYPE_PNG, | |
24 | "jpeg":wxBITMAP_TYPE_JPEG, | |
25 | "gif" :wxBITMAP_TYPE_GIF, | |
26 | "xbm" :wxBITMAP_TYPE_XBM, | |
27 | } | |
28 | # following assumes bitmap type if we cannot resolve image type | |
29 | typ = BITMAPTYPEGUESSDICT.get(imghdr.what(filename), wxBITMAP_TYPE_BMP) | |
30 | bitmap = wxImage(filename, typ).ConvertToBitmap() | |
31 | return bitmap | |
32 | ||
33 | #---------------------------------------------------------------------- | |
34 | ||
35 | class SplashScreen(wxFrame): | |
84e4a825 RD |
36 | def __init__(self, parent, ID=-1, title="SplashScreen", |
37 | style=wxSIMPLE_BORDER|wxSTAY_ON_TOP, | |
38 | duration=1500, bitmapfile="bitmaps/splashscreen.bmp", | |
39 | callback = None): | |
9fb56e0c RD |
40 | ''' |
41 | parent, ID, title, style -- see wxFrame | |
42 | duration -- milliseconds to display the splash screen | |
43 | bitmapfile -- absolute or relative pathname, extension used for type negotiation | |
44 | callback -- if specified, is called when timer completes, callback is responsible for closing the splash screen | |
45 | ''' | |
46 | ### Loading bitmap | |
47 | self.bitmap = bmp = bitmapFromFile(bitmapfile) | |
48 | ### Determine size of bitmap to size window... | |
49 | size = (bmp.GetWidth(), bmp.GetHeight()) | |
50 | # size of screen | |
51 | width = wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_X) | |
52 | height = wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_Y) | |
53 | pos = ((width-size[0])/2, (height-size[1])/2) | |
54 | ||
55 | # check for overflow... | |
56 | if pos[0] < 0: | |
57 | size = (wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_X), size[1]) | |
58 | if pos[1] < 0: | |
59 | size = (size[0], wxSystemSettings_GetSystemMetric(wxSYS_SCREEN_Y)) | |
60 | ||
61 | wxFrame.__init__(self, parent, ID, title, pos, size, style) | |
62 | self.Show(true) | |
63 | dc = wxClientDC(self) | |
64 | dc.DrawBitmap(self.bitmap, 0,0, false) | |
65 | ||
66 | class SplashTimer(wxTimer): | |
67 | def __init__(self, targetFunction): | |
68 | self.Notify = targetFunction | |
69 | wxTimer.__init__(self) | |
70 | ||
71 | if callback is None: | |
72 | callback = self.OnSplashExitDefault | |
73 | ||
74 | self.timer = SplashTimer(callback) | |
75 | self.timer.Start(duration, 1) # one-shot only | |
76 | EVT_LEFT_DOWN(self, self.OnMouseClick) | |
77 | ||
84e4a825 RD |
78 | def OnPaint(self, event): |
79 | dc = wxPaintDC(self) | |
80 | dc.DrawBitmap(self.bitmap, 0,0, false) | |
81 | ||
9fb56e0c RD |
82 | |
83 | def OnSplashExitDefault(self, event=None): | |
84 | self.Close(true) | |
85 | ||
86 | ||
87 | def OnCloseWindow(self, event=None): | |
88 | self.Show(false) | |
89 | self.timer.Stop() | |
90 | del self.timer | |
91 | self.Destroy() | |
92 | ||
93 | ||
94 | def OnMouseClick(self, event): | |
95 | self.timer.Notify() | |
96 | ||
97 | #---------------------------------------------------------------------- | |
98 | ||
99 | ||
100 | if __name__ == "__main__": | |
101 | class DemoApp(wxApp): | |
102 | def OnInit(self): | |
103 | wxImage_AddHandler(wxJPEGHandler()) | |
104 | wxImage_AddHandler(wxPNGHandler()) | |
105 | wxImage_AddHandler(wxGIFHandler()) | |
106 | self.splash = SplashScreen(NULL, bitmapfile="splashscreen.jpg", callback=self.OnSplashExit) | |
107 | self.splash.Show(true) | |
108 | self.SetTopWindow(self.splash) | |
109 | return true | |
110 | def OnSplashExit(self, event=None): | |
111 | print "Yay! Application callback worked!" | |
112 | self.splash.Close(true) | |
113 | del self.splash | |
114 | ### Build working windows here... | |
115 | def test(sceneGraph=None): | |
116 | app = DemoApp(0) | |
117 | app.MainLoop() | |
118 | test() |