Re: custom widgets - advice on where to start?

[Staffan Gimåker <staffan gimaker se>]

Is there a particular reason that you need a custom widget? Can you not
just use a GtkDrawingArea and use Cairo to draw things in it?

The official Cairo documentation (the tutorial is here:
http://cairographics.org/tutorial/) and the Gtk documentation are
probably good places to start.

/Staffan

On Wed, 2010-07-07 at 13:05 +0100, James Morris wrote: 
> Hi,
>
> I need to create some complex widgets for my program. The first of
> which is the main widget which will show static rectangles within
> which other rectangles appear and disappear at musical rates (think
> fast electronic dance music rates). The static rectangles may overlap
> each other, but the other rectangles may not.
>
> I'm working in C.
>
> Can anyone recommend a good tutorial for this kind of thing?
>
> I've looked over http://zetcode.com/tutorials/cairographicstutorial/
> but it doesn't explain much about creating custom widgets, nor am I
> sure if I should use Cairo or not. While I want the display to be
> colourful and attractive, I also want lightweight resource
> requirements and speed.
>
> Thanks,
> James.
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