Re: [gtkmm] Customized CellRenderers

[Murray Cumming <murrayc murrayc com>]

On Tue, 2004-04-20 at 14:36, Leandro Fanzone wrote:
> Well, if nobody knows how to do this, at least can anybody tell me if 
> someone is working on bug #102853,

That bug is marked as fixed (in gtkmm 2.4, I suppose), and it mentions a
workaround - use append_column() and handle the cellrender signals
yourself.

[snip]

> > I'm working on writing an editable ListView, much like a database 
> > table editing tool. I would like to implement a new CellRenderer that 
> > prevents users from entering letters on an integer field on the fly 
> > (instead of checking this after the editing was done),

I suggest that you ask on gtk-list. You probably need to derive a new
CellRenderer, though I think a numeric_only property would be useful on
the regular CellRendererText.

>  and also a 
> > CellRenderer for TreeModelColumns with a float/double value. The 
> > available documentation wasn't enough for me; can someone point me to 
> > an example (I'm sure this has been done a thousand times before)

If you can find an example of an application that does this, then that
would be a start.

>  or to 
> > an outline of the steps I should follow?
> > Thank you very much.

-- 
Murray Cumming
www.murrayc.com
murrayc murrayc com