TextCtrl focus events in wxWidgets

[Steve Holden]

Simon Hibbs wrote:
> I have a simple form with some input values and some calculated values
> in TextCtrl widgets.
> 
> What I would like to do is have the display update automaticaly when
> the user changes one of the input fields, without having to click on a
> 'Calculate' button. I was thinking of having an update triggered when
> one of the text Controlls loses focus, indicating that the user has
> finished changing it's value.
> 
> I don't want to do an update on every character entry, as this would
> create a lot of bogus/meaningless updates. There doesn't seem to be
> such an event. Any ideas how I could implement this, or a similarly
> user friendly behaviour?
> 
It should be quite simple: you need to handle EVT_SET_FOCUS and/or 
EVT_KILL_FOCUS events (documented in the wxPython docs) to know when to 
recaclulate the values. Sounds like that should be enough of a hint to you.

regards
  Steve
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