Re: handling key-press events

On Thu 14 May 2009 20:42, Paul Emsley <[email protected]> writes:

> tantalum wrote:
>>
>> Can anyone show me with a little code snippet, how to
>> check for a specific key pressed with a key-press-event? I could not
>> find the answer myself.
>
>      (gtk-signal-connect entry "key-press-event"
>              (lambda (event)
>                (if (= 65293 (gdk-event-keyval event)) ; GDK_Return
>                (begin
>                  (handle-your-string entry)
>                  (gtk-widget-destroy window)))

Correct, though I'd write:

(connect entry 'key-press-event
         (lambda (event)
           (case (gdk-event-keyval event)
             ((gdk:Return)
              (handle-your-string entry)
              (destroy window)))))


> I don't know that the keysyms are available at the guile level - I had
> to translate from gdkkeysyms.h :)

(use-modules (gnome gtk gdk-event)

Cheers,

Andy
-- 
http://wingolog.org/