On 5 Oct 2008, at 13:45, j. davis wrote:

> Greetings...
> I'm working on an app using fltk and I need a (vertical) bar graph  
> that is slightly more versatile than the ProgressBar widget: I want  
> the actual value, rather than the percent, displayed, and I would  
> like to have it change color based on the value. Ideally, I would  
> also like to have labeled tick marks along the side, and thought  
> that I could perhaps use a slider for the job, instead. Any  
> thoughts? Thanks!

If the widget is to be "output only", then you may be best just  
rolling your own.
What I did (and it was a while ago) was just derive my own widget  
from Fl_Box, then in the draw method I drew a filled rectangle of  
appropriate size to be the progress bar (I guess you could easily  
alter the colour at this point) then used fl_draw to write the  
current value over the bar in a contrasting colour...
Worked OK, and I think it was less hassle than deriving from  
Fl_Slider - but I didn't try that at the time so...
-- 
Ian




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