Re: restricting data entry (filters?)

[Russell Shaw <rjshaw iprimus com au>]

Carl B. Constantine wrote:
> I posted a note a while back about adding an "input filter" to a
> GtkEntry widget. I recieved a couple of responces, but I don't think
> they are what I need.
>
> I want the user to only be able to type numbers in a GtkEntry field. I
> don't want to have to check the value after the fact. One person came up
> with declaring the field cast as an INT, that may work, but I have no
> idea how to hook that into Glade (which is generating my source at
> present) and thus into my app.
>
> Does anyone have other ideas on how to do what I want?
>
> Thanks.

You could connect a callback to the gtk_entry key-press-event that
monitors the typing and blocks any invalid characters with
gtk_entry_set_text(); (haven't tried it)