Why not make all AttachmentMorphs that are attached to a morph become
visible when the mouse is over the attached morph?  Other graphic
programs that I've used seem to use this approach.

-david

> -----Original Message-----
> From: Dan Ingalls [mailto:Dan.Ingalls at disney.com]
> Sent: Sunday, October 01, 2000 1:07 PM
> To: Ned Konz
> Subject: Re: How to make Morphs that only appear when the mouse is
> overthem?
> 
> 
> >I'm working on my AttachmentMorphs, and am trying to add a mode where
> >they won't be visible unless the mouse is over them.
> >
> >But using mouseEnter: and mouseLeave: to control visibility doesn't
> >work, since the mouseOver logic in the Hand ignores invisible Morphs.
> >
> >I guess I could use step and query the cursor position every time,
> >but is there a cleaner way?
> >
> >(Actually, using step would let me make them visible when the mouse
> >was merely near them. This might be better).
> 
> Ned -
> 
> You might want a global command (like to any pasteUp or the 
> world) to make all attachers visible.  I only mention this 
> beacuse of, eg, the make-visible command in many text editors 
> that lets you see all non-printing characters.  This means 
> you needn't be bothered by the attachers when you don't want 
> them, and you don't have to fish for them when you do.
> 
> Mouse-over and proximity are certainly equally reasonable 
> preferences to play with, though.
> 
> 	- Dan
> 
>