gEDA-dev: pcb: adding visual indication to locked items

[Bert Timmerman <bert_dot_timmerman-at-NOSPAMxs4all_dot_nl>]

Hi all,

I just filed a feature request with the text below"

<quote>

It would be nice to have a (visual) indication that a component is
locked.

This could be done by a (configurable) color for locked items.

Another way for (visual) indication of locked components could be to
change
the "diamond" marker (indicating the insertion point) into a "lock"
indicator.

This latter solution would be very nice towards the users who have
problems
with differating between look-a-like colours, and our color-blind users.

</quote>

I'm now trying to code a visual marker but got stuck on how to check for
a locked element.

I think appending the following snippet to DrawEMark () in draw.c would
do the trick:

<snippet>
  /*
   * If an element is locked, place a "L" on top of the "diamond".
   */
   if (e->Flags == LOCKFLAG)
   {
     gui->draw_line (Output.fgGC, X, Y, X + 2 * mark_size, Y);
     gui->draw_line (Output.fgGC, X, Y, X, Y - 4* mark_size);
   }
</snippet>



Kind regards,

Bert Timmerman.



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