import sys import wx #---------------------------------------------------------------------- # This shows the new 'official' way to do custom events as derived # from the wxPython 2.5 migration guide. #######################################################\ # *** Old and busted *** | # | # myEVT_BUTTON_CLICKPOS = wx.NewEventType() | # | # def EVT_BUTTON_CLICKPOS(win, id, func): | # win.Connect(id, -1, myEVT_BUTTON_CLICKPOS, func) | #######################################################/ #############################\ # *** The new Hottness *** | #############################/ myEVT_BUTTON_CLICKPOS = wx.NewEventType() EVT_BUTTON_CLICKPOS = wx.PyEventBinder(myEVT_BUTTON_CLICKPOS, 1) #---------------------------------------------------------------------- class MyEvent(wx.PyCommandEvent): def __init__(self, evtType, id): wx.PyCommandEvent.__init__(self, evtType, id) self.myVal = None #def __del__(self): # print '__del__' # wx.PyCommandEvent.__del__(self) def SetMyVal(self, val): self.myVal = val def GetMyVal(self): return self.myVal class MyButton(wx.Button): def __init__(self, parent, id, txt, pos): wx.Button.__init__(self, parent, id, txt, pos) self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown) def OnLeftDown(self, event): pt = event.GetPosition() evt = MyEvent(myEVT_BUTTON_CLICKPOS, self.GetId()) evt.SetMyVal(pt) #print id(evt), sys.getrefcount(evt) self.GetEventHandler().ProcessEvent(evt) #print id(evt), sys.getrefcount(evt) event.Skip() class TestPanel(wx.Panel): def __init__(self, parent, log): wx.Panel.__init__(self, parent, -1) self.log = log b = MyButton(self, -1, " Click me ", (30,30)) self.Bind(wx.EVT_BUTTON, self.OnClick, id=b.GetId()) # This is our custom event binder created above. self.Bind(EVT_BUTTON_CLICKPOS, self.OnMyEvent, id=b.GetId()) wx.StaticText( self, -1, "Please see the Overview and Demo Code for details...", (30, 80) ) def OnClick(self, event): self.log.WriteText("OnClick\n") def OnMyEvent(self, event): #print id(event), sys.getrefcount(event) self.log.WriteText("MyEvent: %s\n" % (event.GetMyVal(), ) ) #---------------------------------------------------------------------- def runTest(frame, nb, log): win = TestPanel(nb, log) return win #---------------------------------------------------------------------- overview = """\ This demo is a contrived example of defining an event class in wxPython and sending it up the containment hierarchy for processing. V2.5 note: this demo also shows the new style of creating event binders that is required if you used the *.Bind() method of setting up event handlers. """ if __name__ == '__main__': import sys,os import run run.main(['', os.path.basename(sys.argv[0])])