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])] + sys.argv[1:])
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