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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::battery;
use vars qw($state $graph $widget $xpath);
sub module_init{
my$this=shift;
my$xclass=$this->{"xclass"};
my$toplevel=$this->{"toplevel"};
my$test=$this->read_proc;
if(!defined($test)){
$toplevel->optionAdd("$xclass.active", 'false',21);
}
$toplevel->optionAdd("$xclass.order",200,21);
$this;
}
sub module_instance{
my$this=shift;
my$toplevel=$this->{"toplevel"};
return undef if(defined($xpath));
$xpath=$this->{"xpath"};
# modify defaults
$toplevel->optionAdd("$xpath.order",200,21); # status group
$toplevel->optionAdd("$xpath.scalerefresh",10000,21); # 10s
$toplevel->optionAdd("$xpath.scalereturn" ,1,21); # don't need hyst
$toplevel->optionAdd("$xpath*label", "battery",21);
$toplevel->optionAdd("$xpath*lowlabel", "battery low",21);
$toplevel->optionAdd("$xpath.scalewidadj", 80,21); # narrower
$toplevel->optionAdd("$xpath.scalelenadj", 100,21); # shorter
my$fg=&main::moption($this,"litforeground");
$toplevel->optionAdd("$xpath*midforeground", $fg,21);
$toplevel->optionAdd("$xpath*litbackground", '#60c060',21);
$toplevel->optionAdd("$xpath*midbackground", '#d0d060',21);
$toplevel->optionAdd("$xpath*lowbackground", '#ff4040',21);
$toplevel->optionAdd("$xpath*lowforeground", '#ffffff',21);
my($minx,$miny)=&MGM::Graph::calcxysize($this,100,'%',1);
$toplevel->optionAdd("$xpath.minx", $minx,21);
$toplevel->optionAdd("$xpath.miny", $miny,21);
$this;
}
sub module_run{
my$this=shift;
$graph=MGM::Graph->new($this,num=>1,fixed=>1,rangesetting=>100,
rangecurrent=>100,
prompt=>'%');
# color change hack
$state=0;
$this->module_update;
$graph->{"widget"}; # must return the widget
}
sub read_proc{
my$this=shift;
my$percent;
if(open(PROC,"/proc/apm")){
sysread PROC,$_,1024;
if(m/^\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+([^ \%]+)\%/){
$percent=$1;
}
close PROC;
}
$percent;
}
sub module_update{
my$this=shift;
my$toplevel=$this->{"toplevel"};
my$percent=$this->read_proc;
if(defined($percent)){
# apm, for some reason, seems to occasionally return -1.
# guard against that
if($percent>=0){
$graph->set($percent);
if($percent<30){
# below 30%, it would be nice to unfix the scale so
#the user can see
if($percent<8){
if($state!=2){
$graph->
barconfigure(0,'aforeXr'=>'lowforeground',
'abackXr'=>'lowbackground',
'labelXr'=>'lowlabel');
$graph->configure(fixed=>0,rangesetting=>8);
$state=2;
}
}else{
if($state!=1){
$graph->
barconfigure(0,'aforeXr'=>'midforeground',
'abackXr'=>'midbackground',
'labelXr'=>'label');
$graph->configure(fixed=>0,rangesetting=>32);
$state=1;
}
}
}else{
if($state!=0){
$graph->
barconfigure(0,'aforeXr'=>'litforeground',
'abackXr'=>'litbackground',
'labelXr'=>'label');
$graph->configure(fixed=>1,rangesetting=>100);
$state=0;
}
}
}
}
}
bless {};
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