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# -*-Perl-*-
# instances allowed: one
# (single instance modules would be silly to use more than one of
# anyway, so we use package local storage. This is faster and places
# less artificial load on the machine than doing everything through
# the object hash)
package MGMmodule::wireless;
use vars qw($xpath @if @keys $active $prompt $widget $graph $lastmod);
# class init
sub module_init{
my$this=shift;
my$toplevel=$this->{"toplevel"};
my$xclass=$this->{"xclass"};
# is the helper up and running?
if(!$MGMmodule::helperST::wi_active){
$toplevel->optionAdd("$xclass.active",'false',21);
}
$toplevel->optionAdd("$xclass.order",21,21);
$this;
}
# instance init
sub module_instance{
my$this=shift;
my$toplevel=$this->{"toplevel"};
return undef if(defined($xpath));
$xpath=$this->{"xpath"};
undef@keys;
foreach my $key (keys %MGMmodule::helperST::wi){
push @keys, $key if(defined($MGMmodule::helperST::wi{$key}));
}
$active=$MGMmodule::helperST::wi_count;
$prompt=' dB';
# modify defaults
if($active){
my$i=0;
foreach my $key (@keys){
$toplevel->optionAdd("$xpath.bar.$i.label", "$key signal",21);
$i++;
}
$toplevel->optionAdd("$xpath.scalewidadj", 100*$i,21); # narrower
$toplevel->optionAdd("$xpath*litbackground",'#60c060',21);
# this relies on the above defaults
my($minx,$miny)=MGM::Graph::calcxysize($this,50,
$prompt,$active);
$toplevel->optionAdd("$xpath.minx", $minx,21);
$toplevel->optionAdd("$xpath.miny", $miny,21);
}
$this;
}
sub module_place_p{
$active;
}
# instance widget build
sub module_run{
my$this=shift;
$lastmod=-1;
$graph=MGM::Graph->new($this,num=>$active,
prompt=>$prompt,
minscale=>50,
fixed=>1);
$widget=$graph->{"widget"}; # must return the widget
}
sub module_update{
my$this=shift;
# don't update unless the helper has
if($lastmod!=$MGMmodule::helperST::lastmod){
my$time=$MGMmodule::helperST::lastmod;
my@vals;
my$i=0;
foreach my $key (@keys){
return &reconfig if(!defined($MGMmodule::helperST::wi{$key}));
my@temp=split ' ', $MGMmodule::helperST::wi{$key};
$vals[$i]=$temp[1];
}
$graph->set(@vals);
return &reconfig if($active!=$MGMmodule::helperST::wi_count);
$lastmod=$time;
}
}
sub reconfig{
&main::reinstance() if($widget->optionGet("reconfig","") eq 'true');
}
sub destroy{
undef $xpath;
}
bless {};
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