gEDA-bug: [Bug 707064] That's how it was designed to work

[Krzysztof KoÅciuszkiewicz <707064@xxxxxxxxxxxxxxxxxx>]

> Hi, I just tested the patch series and I have a little problem with it.
> 
> It removes the red cues even form unnamed nets. So when I create a net
> with 2 components and than make another line from it ending nowhere it
> has no cues.

That is expected. I assumed red cue should mark an incomplete net.  If
you connect at least two different nets/buses/elements with a net, then
it is "complete" from connectivity point of view. A netname attribute
attached to a segment counts as a connection in the above sense.

The short stub you attached to the complete net looks weird from
schematic point of view, but from connectivity point of view its
existence/absence is indifferent.

So the question is if we want to mark:
 * any endpoint that is not connected (netname attribute = connection)
 * all endpoints of the net whose connectivity is not complete

> I think it would be better to remove the cue just from "named nets with
> at least 2 different nets with the same name".

This could work this way, but has deficiencies - full blown solution would
have to dig into hierarchy (which might be costly) and search across all files
within a "project" - but currently we do not have anything that resembles a
"project" in gschem and libgeda - just a loose collection of schematic files.

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https://bugs.launchpad.net/bugs/707064

Title:
  Remove unconnected net cues for netname connected nets

Status in GPL Electronic Design Automation tools:
  New

Bug description:
  This came up after a presentation with potential users.

  The red cues on the end of unconnected net was perceeved as a nice
  warning that something was unconnected.

  Their expectation was that a net connected at one end should lose the
  second cue (on its unconnected end) if the net is named. This could be
  implemented either to mean "has a netname=" attribute, or that it is
  connected to something which has one.

  This helps to preserve the semantic that "red splodge" == something to
  fix.

  We also noted that the pin cues were not nearly as visible as they
  ought to be when projected!


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