[wxPython-users] Request to fix wx.ListCtrl.SetItemData()

[Jorgen Bodde]

Hi Robin,

Thanks for the reply. I see what you mean. The
wxControlWithItems::SetClientData is a void* .. well AFAIK I long can
be safely casted to a void * .. I've done it many times,  So maybe the
indirect pyobject -> void * -> long construction might be a solution

- Jorgen

On 5/7/07, Robin Dunn <robin at alldunn.com> wrote:
> Andrea Gavana wrote:
> > Hi Jorgen,
> >
> > On 5/7/07, Jorgen Bodde wrote:
> >> Could this be safely changed to a long? Or maybe if the existing API
> >> will break too much, reimplement this as wx.ListCtrl.SetItemDataLong()
> >>  / wx.ListCtrl.SetClientData() ?
> >>
> >> It is a bit annoying to have to keep a dictionary reference to my
> >> objects, and come up with unique numbers to identify which object I
> >> clicked, while changing the int to a long in wx.ListCtrl.SetItemData
> >> () would allow us to pass object references to the GUI, and be more
> >> consistent with wx.Choice / wx.ComboBox and the likes, which do allow
> >> that.
> >
> > I agree with you, it is a bit annoying to notice that the powerful
> > wx.ListCtrl can not handle Python object data as, for example,
> > wx.TreeCtrl does (using SetPyData). From the point of view of
> > implementation, I don't think it will be that much problematic as it
> > is a Python specific modification that would require a couple of
> > methods (what about having SetPyData and GetPyData as wx.TreeCtrl
> > has?).
>
> It may be possible, but it is problematic.  See my reply in the "Passing
> python object as client data" thread.  It really needs some surgery in
> the wxListCtrl C++ classes to be done safely.
>
> --
> Robin Dunn
> Software Craftsman
> http://wxPython.org  Java give you jitters?  Relax with wxPython!
>
>
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