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fixed wrong #ifdefs
[wxWidgets.git] / wxPython / demo / demoMainLoop.py
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1#!/usr/bin/env python
2#---------------------------------------------------------------------------
3"""
4This demo attempts to override the C++ MainLoop and implement it
5in Python. This is not part of the demo framework.
6
7
8 THIS FEATURE IS STILL EXPERIMENTAL...
9"""
10
11
12import wx # This module uses the new wx namespace
13import time
14
15
16#---------------------------------------------------------------------------
17
18class MyFrame(wx.Frame):
19
20 def __init__(self, parent, id, title):
21 wx.Frame.__init__(self, parent, id, title,
22 wx.Point(100, 100), wx.Size(160, 150))
23
24 wx.EVT_SIZE(self, self.OnSize)
25 wx.EVT_MOVE(self, self.OnMove)
26 wx.EVT_CLOSE(self, self.OnCloseWindow)
27 wx.EVT_IDLE(self, self.OnIdle)
28
29 self.count = 0
30
31 panel = wx.Panel(self, -1)
32 wx.StaticText(panel, -1, "Size:",
33 wx.DLG_PNT(panel, wx.Point(4, 4)), wx.DefaultSize)
34 wx.StaticText(panel, -1, "Pos:",
35 wx.DLG_PNT(panel, wx.Point(4, 16)), wx.DefaultSize)
36
37 wx.StaticText(panel, -1, "Idle:",
38 wx.DLG_PNT(panel, wx.Point(4, 28)), wx.DefaultSize)
39
40 self.sizeCtrl = wx.TextCtrl(panel, -1, "",
41 wx.DLG_PNT(panel, wx.Point(24, 4)),
42 wx.DLG_SZE(panel, wx.Size(36, -1)),
43 wx.TE_READONLY)
44
45 self.posCtrl = wx.TextCtrl(panel, -1, "",
46 wx.DLG_PNT(panel, wx.Point(24, 16)),
47 wx.DLG_SZE(panel, wx.Size(36, -1)),
48 wx.TE_READONLY)
49
50 self.idleCtrl = wx.TextCtrl(panel, -1, "",
51 wx.DLG_PNT(panel, wx.Point(24, 28)),
52 wx.DLG_SZE(panel, wx.Size(36, -1)),
53 wx.TE_READONLY)
54
55
56 def OnCloseWindow(self, event):
57 app.keepGoing = False
58 self.Destroy()
59
60 def OnIdle(self, event):
61 self.idleCtrl.SetValue(str(self.count))
62 self.count = self.count + 1
63
64 def OnSize(self, event):
65 size = event.GetSize()
66 self.sizeCtrl.SetValue("%s, %s" % (size.width, size.height))
67 event.Skip()
68
69 def OnMove(self, event):
70 pos = event.GetPosition()
71 self.posCtrl.SetValue("%s, %s" % (pos.x, pos.y))
72
73
74
75#---------------------------------------------------------------------------
76
77class MyApp(wx.App):
78 def MainLoop(self):
79 # This outer loop determines when to exit the application, for
80 # this example we let the main frame reset this flag when it
81 # closes.
82 while self.keepGoing:
83 # At this point in the outer loop you could do whatever you
84 # implemented your own MainLoop for. It should be quick and
85 # non-blocking, otherwise your GUI will freeze. For example,
86 # call Fnorb's reactor.do_one_event(0), etc.
87
88 # call_your_code_here()
89
90
91 # This inner loop will process any GUI events until there
92 # are no more waiting.
93 while self.Pending():
94 self.Dispatch()
95
96 # Send idle events to idle handlers. You may want to throttle
97 # this back a bit so there is not too much CPU time spent in
98 # the idle handlers. For this example, I'll just snooze a
99 # little...
100 time.sleep(0.25)
101 self.ProcessIdle()
102
103
104
105 def OnInit(self):
106 frame = MyFrame(None, -1, "This is a test")
107 frame.Show(True)
108 self.SetTopWindow(frame)
109
110 self.keepGoing = True
111
112 return True
113
114
115app = MyApp(0)
116app.MainLoop()
117
118
119
120
121