Re: Moving canvas item's to new canvas not working

[The Surprises <thesurprises1 attbi com>]

On Wed, Oct 23, 2002 at 12:00:42PM +0100, John Cupitt ng-london org uk wrote:
> The Surprises wrote:
> > On Tue, Oct 22, 2002 at 09:48:43PM -0400, Paul Davis wrote:
> >>>moving a canvas item from one canvas to another, I would like to delete
> >>>the first item, create a new item in the new canvas, and have that new
> >>>item take over the button press/release event.  Is this possible?
> >>
> >>yes, but you'll likely have no head left when you're done, because it
> >>will rise up and bite it off. seriously, thats a deeply ugly
> >>hack. don't do it.
> > 
> > How would I go about doing it then?  I could merge all my seperate
> > canvas' into one, but then I'd have to handle all the
> > packing/resizing/etc myself which I really didn't want to have to do.
> 
> I think this is usually faked with drag-under and drag-over effects.
> 
> You add code to the things you can drag to so they spot when something 
> is over them and do some sort of animation, and you attach some sort of 
> animated thing to the cursor, so it looks like something is being dragged.
> 
> When the user finally does the drop, you then do all the cutting, 
> pasting and rebuilding.
> 

Yes this is possible, but this requires that you finish the drop before
doing all the cutting/pasting.  I want to be able to move the item from one
canvas to another within the same mouse press seamlessly.

Jason