wxWidgets/utils/wxPython/demo/PythonEvents.py

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from wxPython.wx import *
import sys
#----------------------------------------------------------------------
myEVT_BUTTON_CLICKPOS = 5015
def EVT_BUTTON_CLICKPOS(win, id, func):
win.Connect(id, -1, myEVT_BUTTON_CLICKPOS, func)
class MyEvent(wxPyCommandEvent):
def __init__(self, evtType, id):
wxPyCommandEvent.__init__(self, evtType, id)
self.myVal = None
#def __del__(self):
# print '__del__'
# wxPyCommandEvent.__del__(self)
def SetMyVal(self, val):
self.myVal = val
def GetMyVal(self):
return self.myVal
class MyButton(wxButton):
def __init__(self, parent, id, txt, pos):
wxButton.__init__(self, parent, id, txt, pos)
EVT_LEFT_DOWN(self, 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(wxPanel):
def __init__(self, parent, log):
wxPanel.__init__(self, parent, -1)
self.log = log
b = MyButton(self, -1, " Click me ", wxPoint(30,30))
EVT_BUTTON(self, b.GetId(), self.OnClick)
EVT_BUTTON_CLICKPOS(self, b.GetId(), self.OnMyEvent)
wxStaticText(self, -1, "Please see the Overview and Demo Code for details...",
wxPoint(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 heirachy for processing.
"""