Re: pixmap or image and toolbar

[John Cupitt ng-london org uk]

Peter Van Osta wrote:
> I want to use a bitmap of 200x200 pixels, divided in 10x10 squares, in
> which the user can click with his mouse. The result of this action
> should be that a 20x20 square changes color, depending on the position
> in the window where the user clicks. What should I use, a pixmap or an
> image and what is the difference in behaviour if both are possible ? Is
> there some sample code that shows how to do this ?

You could consider using a canvas widget ... eg. gtkcanvas, or 
gnomecanvas. It provides a nice high-level API for exactly this sort of 
thing.

There was an article about this a while ago on developerworks:

http://www-106.ibm.com/developerworks/library/gnomenclature/index.html

This is for gnome 1, you'll need some porting work for gnome2.





========================================================== 
Fabric of Vision 
Dress and Drapery in Painting 

19 June - 8 September 2002 

For information and tickets: 
http://www.nationalgallery.org.uk/exhibitions/fabric/