Fix bug with two or more wires connected to one input. Now only one wire can be connected to one input, except BOOLean signals in LD and SFC. If user trying to connect wire with already connected input, wire highlight will become red.
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
<!DOCTYPE html>
<HTML>
<BODY>
<CENTER>
<IMG SRC="../images/splash.png">
<BR><BR>
<font size="3">Beremiz is an Open Source framework for automation.</font>
<BR><BR>
<a href="http://www.beremiz.org/">http://www.beremiz.org/</a>
<BR><BR>
<TABLE border="0" width="480">
<TR>
<TD align="right" valign="top">
Contributor :
</TD>
<TD align="left" valign="top">
University of Porto<BR>
<a href="http://www.fe.up.pt/si/web_page.inicial">http://www.fe.up.pt/si/web_page.inicial</a>
</TD>
</TR>
<TR>
<TD colspan="2" align="center">
<BR><BR><BR>
Beremiz is distrubuted under the term <BR>of the
<a href="http://www.gnu.org/licenses/old-licenses/gpl-2.0.html#SEC1">GNU
General Public License (GPL) version 2</a> or
<BR>(at your option) any later version.
</TD>
</TR>
</TABLE>
</CENTER>
</BODY>
</HTML>