Re: Drag and drop with clg

Jesus Alvaro <[email protected]> writes:

> Thanks for your work.
> I have just started to play with it and I find it really useful. I need to
> write some graphic interface to my lisp project, and I think clg could be my
> tool.

I am glad you like it.
 
> My question is regarding DragNDrop, I have found an example in python that
> could be very useful for me if it could be done with lisp objects in clg.
> http://www.moeraki.com/pygtktutorial/pygtk2tutorial/sec-DNDMethods.html#dragndropfig
> http://www.moeraki.com/pygtktutorial/pygtk2tutorial/examples/dragndrop.py
> 
> With a couple of modifications it could be my starting point cause I just
> need to edit position and size of objects.
> 
> 1. Is it possible to do it with clg? any suggestion or help?  (bitmaps are
> not needed, boxes could be enough)

I finally found some time to implement drag and drop in clg
yesterday. It turned out to be more work than anticipated because of a
design deficiency inside the gobject wrapper code. But now it's all in
CVS, including a translation of the Pyton example (examples/testdnd.lisp).

> 2. One interesting modification would be  the capability to change the size
> of the buttons by dragging any corner. any suggestion or help?

This should be possible to do by connecting to the motion-notify-event
signal, but I don't have any example code at hand.

-- 
Espen


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