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