Re: How to determine if pane is scrolled

I suppose you can do this by compare the width (or height) of the pane with
the %scroll-width% (or %scroll-height%) of the same 'with-geometry' macro

Best 

Denis


Le 5/02/08 18:05, « [NOM] » <[ADRESSE]> a écrit :

> Sorry for the sloppy description. What I am interested in knowing is
> whether a scroll-bar is displayed. So even if the slug position is 0, if
> the slug-width is less than the scroll range, it is possible to move the
> slug and scroll the pane.
> 
> Mitch
> 
> Denis Pousseur wrote:
>> I'm not sure to well understand your question but isn't simply the fact that
>> %scroll-x% or %scroll-y% is non equal to zero ?
>> For instance :
>> (with-geometry pane
>>   (case orientation
>>     (:horizontal (and  %scroll-x% (not (zerop %scroll-x%))))
>>     (t (and  %scroll-y% (not (zerop %scroll-y%))))))
>> 
>> Best 
>> 
>> Denis
>> 
>> 
>> Le 5/02/08 15:21, « [NOM] » <[ADRESSE]> a écrit :
>> 
>>> Is there a simple capi way to determine if a pane is scrolled? Or do I
>>> use something like:
>>> 
>>> (defun pane-is-scrolled-p (pane orientation)
>>>    "t if the pane is scrolled. Orientation is :horizontal or :vertical"
>>>    (multiple-value-bind (min-range max-range slug-size)
>>>        (if (eql orientation :horizontal)
>>>          (capi:get-horizontal-scroll-parameters pane :min-range
>>> :max-range :slug-size)
>>>          (capi:get-vertical-scroll-parameters pane :min-range :max-range
>>> :slug-size))
>>>      (/= (- max-range min-range)
>>>          slug-size)))
>>> 
>>> Mitch
>>> 
> 

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