Re: Arrow buttons

Am 08.02.2025 um 18:10 schrieb Didier Verna (as didier at didierverna 
dot net):
> suppose I have a pane in which I need to display stuff from a set of N 
> possibilities. I would like to have something on top of the pane 
> displaying the current index i of what's displayed, and some kind of 
> arrow buttons allowing me to switch to the ith-1 or ith+1 choice. 
> Something that would look more or less like this: < i > the left/right 
> arrow buttons being clickable. Is something like that already 
> available? Or how should I proceed?

I'm not aware of an existing CAPI element for this. But it seems to be 
not hard to build a first try with the interface builder (Using LWW 6.01).
Of course it will need some  polishing.

Regards
Andreas

(capi:define-interface interface-1 ()
   ()
   (:panes
    (push-button-1
     capi:push-button
     :text "<"
     :selection-callback #'(lambda (data interface) 
(capi:display-message "Pressed >" data)))
    (display-pane-1
     capi:display-pane
     :text "1"
     :visible-min-width 100)
    (push-button-2
     capi:push-button
     :text ">"
     :selection-callback #'(lambda (data interface) 
(capi:display-message "Pressed >" data))))
   (:layouts
    (row-layout-1
     capi:row-layout
     '(push-button-1 display-pane-1 push-button-2)))
   (:default-initargs
    :layout 'row-layout-1
    :title "Interface-1"))


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