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gkismet
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PowerBox.pm
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2005-10-20
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#!/usr/bin/perl -w
#
# $Id: PowerBox.pm,v 1.16 2005/04/12 02:50:01 solovam Exp $
#
# This file is a part of gkismet
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
# PowerBox class
#
package PowerBox;
use Gtk;
use Misc;
use ReusableConnObserver;
use strict;
@PowerBox::ISA = qw(ReusableConnObserver);
my %maxValues = (cardpower => 256, cardnoise => 256);
my %minValues = (cardpower => 0, cardnoise => 0);
#
# Constructor
#
sub new
{
my $type = shift;
my $self = new ReusableConnObserver(@_);
bless $self, $type;
my $hbox = new Gtk::HBox($true, 0);
for my $val (qw(cardpower cardnoise))
{
my $adjustment = new Gtk::Adjustment($minValues{$val}, $minValues{$val}, $maxValues{$val}, 0, 0, 0);
my $bar = new_with_adjustment Gtk::ProgressBar($adjustment);
$self->{$val . 'ProgressBar'} = $bar;
$bar->set_orientation('bottom_to_top');
$bar->set_show_text($false);
$bar->set_format_string(' %v ');
$hbox->pack_start($bar, $true, $false, 5);
}
my $frame = new Gtk::Frame(undef);
$frame->set_label('Card power');
$frame->add($hbox);
my $outerBox = new Gtk::HBox($false, 0);
$self->{'outerBox'} = $outerBox;
$outerBox->pack_start($frame, $true, $false, 0);
$outerBox->show_all();
return $self;
}
#
# Handle an update from an observable
#
sub update
{
my $self = shift;
my $object = shift;
my $data = shift;
if($object->isa('Connection') && defined $self->{'connection'} && $self->{'connection'} eq $object)
{
if($data->{'changed'} eq 'info')
{
for my $val (qw(cardpower cardnoise))
{
$self->{$val . 'ProgressBar'}->set_show_text($true);
my $level = $self->{'connection'}->getInfo()->{$val};
if($level < 0)
{
$level += 256;
}
my $prc = ($level - $minValues{$val}) / ($maxValues{$val} - $minValues{$val});
if($prc > 1)
{
$prc = 1;
}
if($prc < 0)
{
$prc = 0;
}
$self->{$val . 'ProgressBar'}->update($prc);
}
}
}
}
#
# Flush screen data
#
sub flush
{
my $self = shift;
for my $val (qw(cardpower cardnoise))
{
$self->{$val . 'ProgressBar'}->set_show_text($false);
$self->{$val . 'ProgressBar'}->update(0);
}
}
#
# Get Gtk widget
#
sub getWidget
{
my $self = shift;
return($self->{'outerBox'});
}
1;