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1 | #!/usr/bin/env python | |
2 | """Easy generation of new events classes and binder objects""" | |
3 | ||
4 | __author__ = "Miki Tebeka <tebeka@cs.bgu.ac.il>" | |
5 | ||
6 | import wx | |
7 | ||
8 | #--------------------------------------------------------------------------- | |
9 | ||
10 | def NewEvent(): | |
11 | """Generate new (Event, Binder) tuple | |
12 | e.g. MooEvent, EVT_MOO = NewEvent() | |
13 | """ | |
14 | evttype = wx.NewEventType() | |
15 | ||
16 | class _Event(wx.PyEvent): | |
17 | def __init__(self, **kw): | |
18 | wx.PyEvent.__init__(self) | |
19 | self.SetEventType(evttype) | |
20 | self.__dict__.update(kw) | |
21 | ||
22 | return _Event, wx.PyEventBinder(evttype) | |
23 | ||
24 | ||
25 | ||
26 | def NewCommandEvent(): | |
27 | """Generate new (CmdEvent, Binder) tuple | |
28 | e.g. MooCmdEvent, EVT_MOO = NewCommandEvent() | |
29 | """ | |
30 | evttype = wx.NewEventType() | |
31 | ||
32 | class _Event(wx.PyCommandEvent): | |
33 | def __init__(self, id, **kw): | |
34 | wx.PyCommandEvent.__init__(self, evttype, id) | |
35 | self.__dict__.update(kw) | |
36 | ||
37 | return _Event, wx.PyEventBinder(evttype, 1) | |
38 | ||
39 | ||
40 | #--------------------------------------------------------------------------- | |
41 | ||
42 | def _test(): | |
43 | """A little smoke test""" | |
44 | from threading import Thread | |
45 | from time import sleep | |
46 | ||
47 | MooEvent, EVT_MOO = NewEvent() | |
48 | GooEvent, EVT_GOO = NewCommandEvent() | |
49 | ||
50 | DELAY = 0.7 | |
51 | ||
52 | def evt_thr(win): | |
53 | sleep(DELAY) | |
54 | wx.PostEvent(win, MooEvent(moo=1)) | |
55 | ||
56 | def cmd_thr(win, id): | |
57 | sleep(DELAY) | |
58 | wx.PostEvent(win, GooEvent(id, goo=id)) | |
59 | ||
60 | ID_CMD1 = wx.NewId() | |
61 | ID_CMD2 = wx.NewId() | |
62 | ||
63 | class Frame(wx.Frame): | |
64 | def __init__(self): | |
65 | wx.Frame.__init__(self, None, -1, "MOO") | |
66 | sizer = wx.BoxSizer(wx.VERTICAL) | |
67 | EVT_MOO(self, self.on_moo) | |
68 | b = wx.Button(self, -1, "Generate MOO") | |
69 | sizer.Add(b, 1, wx.EXPAND) | |
70 | wx.EVT_BUTTON(self, b.GetId(), self.on_evt_click) | |
71 | b = wx.Button(self, ID_CMD1, "Generate GOO with %d" % ID_CMD1) | |
72 | sizer.Add(b, 1, wx.EXPAND) | |
73 | wx.EVT_BUTTON(self, ID_CMD1, self.on_cmd_click) | |
74 | b = wx.Button(self, ID_CMD2, "Generate GOO with %d" % ID_CMD2) | |
75 | sizer.Add(b, 1, wx.EXPAND) | |
76 | wx.EVT_BUTTON(self, ID_CMD2, self.on_cmd_click) | |
77 | ||
78 | EVT_GOO(self, ID_CMD1, self.on_cmd1) | |
79 | EVT_GOO(self, ID_CMD2, self.on_cmd2) | |
80 | ||
81 | self.SetSizer(sizer) | |
82 | self.SetAutoLayout(True) | |
83 | sizer.Fit(self) | |
84 | ||
85 | def on_evt_click(self, e): | |
86 | t = Thread(target=evt_thr, args=(self, )) | |
87 | t.setDaemon(True) | |
88 | t.start() | |
89 | ||
90 | def on_cmd_click(self, e): | |
91 | t = Thread(target=cmd_thr, args=(self, e.GetId())) | |
92 | t.setDaemon(True) | |
93 | t.start() | |
94 | ||
95 | def show(self, msg, title): | |
96 | dlg = wx.MessageDialog(self, msg, title, wx.OK) | |
97 | dlg.ShowModal() | |
98 | dlg.Destroy() | |
99 | ||
100 | def on_moo(self, e): | |
101 | self.show("MOO = %s" % e.moo, "Got Moo") | |
102 | ||
103 | def on_cmd1(self, e): | |
104 | self.show("goo = %s" % e.goo, "Got Goo (cmd1)") | |
105 | ||
106 | def on_cmd2(self, e): | |
107 | self.show("goo = %s" % e.goo, "Got Goo (cmd2)") | |
108 | ||
109 | ||
110 | app = wx.PySimpleApp() | |
111 | f = Frame() | |
112 | f.Show(True) | |
113 | app.MainLoop() | |
114 | ||
115 | if __name__ == "__main__": | |
116 | _test() |