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Re: how to get value from combo
From: |
Andreas Rottmann |
Subject: |
Re: how to get value from combo |
Date: |
Wed, 01 Dec 2004 13:22:16 +0100 |
User-agent: |
Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux) |
Maarten Grachten <address@hidden> writes:
> Hi,
>
> I just started with guile-gnome and made a combo box like this:
>
> (define combo (gtk-combo-box-entry-new-text))
> (for-each (lambda (i) (append-text combo i)) '("a" "b" "c"))
>
> but I don't know how to read out the current value. In the C/python docs
> it seems you can access an 'entry' attribute of the combo, but the
> get-entry method isn't defined for the combo. I struggled
> with the model associated to the combo but the furthest I got was:
>
> (connect combo 'changed
> (lambda (b)
> (get-value
> (get-model b)
> (get-iter-first (get-model b) 0))))
>
> which gives me "a" in all cases. Obviously because of the get-iter-first.
> I don't see how to do it. Can anybody please give me a little hint?
>
(use-modules (gnome gtk))
(let ((combo (gtk-combo-box-entry-new-text)))
(for-each (lambda (text)
(append-text combo text))
'("foo" "bar" "baz"))
(let ((model (get-model combo)))
(let loop ((iter (get-iter-first model)))
(if iter
(begin
(format #t "~A\n" (get-value model iter 0))
(loop (iter-next model iter)))))))
HTH, Rotty
--
Andreas Rottmann | address@hidden | address@hidden | address@hidden
http://yi.org/rotty | GnuPG Key: http://yi.org/rotty/gpg.asc
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