Re: Waiting for a call, xeyes, and vector fields

[Lars Clausen <lrclause cs uiuc edu>]

On Wed, 27 Nov 2002, Dave Hoover wrote:
> Lars Clausen wrote:
>
> > Actually, I have an idea to make a multi-prop widget that's collapsible.
> > That would neatly take care of such cluttering, and then it'd be ok to
> > have it on the standard line.
> Sounds great.

It's coming along nicely.

> > > 2.    In the xeyes demo, you probably noticed the funny connection
> > > points floating around by themselves.  These connection points are
> > > half-way between the line handles, even if the lines are drawn
> > > somewhere else due of the gap parameters.
> > [...]
> >
> > It should be in the middle of the displayed area.  Fixing that in CVS.
> Go ahead if you have time and want to do it.

As you showed, it was a simple fix.

It does turn out that having zero-length lines with arrows is problematic
in CVS, as the arrow doesn't know where to point.

> > Same thing would happen if you make a zero-length line regardless of gap.
> > The analogy to box isn't good, as those are different kinds of handles
> > (non-connectible).
> Yes.  In fact, I patched dia-0.9 with the above code, and had problems
> with the xeyes demo.

The CVS version contains a fix for this, where an object cannot connect to
itself.  I believe that fixes such problems.

> We should add connection points to the ends of the visible line as well.

I tried that, but the behaviour was rather strange.  It would require some
though. 

-Lars

-- 
Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause)| Hårdgrim of Numenor
"I do not agree with a word that you say, but I   |----------------------------
will defend to the death your right to say it."   | Where are we going, and
    --Evelyn Beatrice Hall paraphrasing Voltaire  | what's with the handbasket?