On 15-Jul-08, at 8:31 PM, Andrew Thompson wrote:
How do Interface Builder and Quartz Composer draw the blue line
connections
from object to object?
I have been looking through the APIs, but I can't find anything that
looks
right.
I can't say how either app is written..
if you're drawing in a custom view between visual items that you
control you can do it all yourself.
I thought of just drawing my own line on a custom view (shouldn't be
that
hard), but interface builder manages to do it between objects that
aren't
connected by ANY view, and I am not sure how to do that.
You'd need to use an overlay window that is transparent and ignores
clicks. There is an example of this technique on developer.apple.com.
I am trying to build an HTML GUI editor.
Please, please an XML GUI editor. :-) Then the HTML version can be
done via an XML schema, and users needing an XML editor will be all
good.
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