Re: EventFilter Example Fails

On Mon, 4 Apr 2016, [email protected] wrote:

> I tried a simplified version of the event filter example found
> at http://wxpython.org/Phoenix/docs/html/EventFilter.html
> 
> class KeyEventFilter(wx.EventFilter):
>     def __init__(self):
>         wx.EventFilter.__init__(self)
>         wx.EvtHandler.AddFilter(self)
> 
>     def __del__(self):
>         wx.EvtHandler.RemoveFilter(self)
> 
>     def FilterEvent(self, event):
>         t = event.GetEventType()
>         if t == wx.EVT_KEY_DOWN:
>             print "key down"
>         event.Skip()
> 
> When I try to instantiate the class
> 
>         filter = KeyEventFilter()
> 
> I get the following error message:
> 
> TypeError: wx._core.EventFilter cannot be instantiated or sub-classed
> 
> Is this example know to work?

It appears to be a bug.  This should fix it:
https://github.com/wxWidgets/Phoenix/pull/61

Also, the example documentation has some problems too.  Updated it in the 
PR.

In your sample, replace:

wx.EVT_KEY_DOWN -> wx.EVT_KEY_DOWN.typeId
event.Skip() -> self.Event_Skip

Scott