package MTools::Adapters::WacomAdapter;
#	This program is free software; you can redistribute it and/or
#	modify it under the terms of the GNU LGPL Libray 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 Library General Public License for more details.
#
#	You should have received a copy of the GNU Library 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,
#	or refer to http://www.gnu.org/copyleft/lgpl.html
#
##################################################################

use strict;
use MTools;
use MTools::MObjet;
use MTools::MIvy;
use vars qw /@ISA/;

BEGIN 
{
	@ISA = qw /MTools::MObjet/;
}

use Tk;

sub new {
	my ($class, $adresse, $ivy_name, $wacom_adresse) = @_;
	my $self = new MTools::MObjet ();
	if (!defined $wacom_adresse)
	{
		$wacom_adresse = 'default';
	}
	bless $self, $class;
	$self -> {__pointer_status} = 0;
	$self -> {__ivy} = new MTools::MIvy ($adresse, $ivy_name);
	$self -> {__ivy} -> binding ('pad_event device_id='.$wacom_adresse.' button=(.*) status=(.*) time=(.*)', [\&wacom_event, $self, 'buttons']);	
	$self -> {__ivy} -> binding ('slider_event device_id='.$wacom_adresse.' value=(.*) side=(.*) time=(.*)', [\&wacom_event, $self, 'sliders']);
	$self -> {__ivy} -> binding ('pointer_event device_id='.$wacom_adresse.' x=(.*) y=(.*) presure=(.*) tilt_x=(.*) tilt_y=(.*) wheel=(.*) predicted_x=(.*) predicted_y=(.*) type=(.*) serial_number=(.*) time=(.*)', [\&wacom_event, $self, 'pointers']);
	return $self;
}

sub binding {
	my ($self, $reg, $cb) = @_;
	if ($reg eq '<WSlider>')
	{
		push (@{$self -> {sliders} -> {all}}, $cb);
	}
	elsif ($reg =~ /\<WSlider(.*)-(.*)\>/)
	{
		push (@{$self -> {sliders} -> {$1} -> {$2}}, $cb);
	}
	elsif ($reg =~ /\<WSlider(.*)\>/)
	{
		push (@{$self -> {sliders} -> {$1} -> {all}}, $cb);
	}
	elsif ($reg eq '<WButton>')
	{
		push (@{$self -> {buttons} -> {all}}, $cb);
	}
	elsif ($reg =~ /\<WButton(.*)-(.*)\>/)
	{
		push (@{$self -> {buttons} -> {$1} -> {$2}}, $cb);
	}
	elsif ($reg =~ /\<WButton(.*)\>/)
	{
		push (@{$self -> {buttons} -> {$1} -> {all}}, $cb);
	}
	elsif ($reg eq '<WPointer>')
	{
		push (@{$self -> {pointers} -> {all}}, $cb);
	}
	elsif ($reg =~ /\<WPointer(.*)-(.*)\>/)
	{
		push (@{$self -> {pointers} -> {$1} -> {$2}}, $cb);
	}
	elsif ($reg =~ /\<WPointer(.*)\>/)
	{
		push (@{$self -> {pointers} -> {$1} -> {all}}, $cb);
	}
	else
	{
		die "Can't recognize a wacom event in $reg\n";
	}
}

sub wacom_event {
	my ($agent, $self, $type, $value, $status, $time, @others) = @_;
	my @callbacks = ();
	my @args = ();
	if ($type eq 'sliders')
	{
		my $nb = 0;
		if ($value != 0)
		{
			while ($value != 1)
			{
				$value = $value / 2;
				$nb ++;
			}			
			$nb++;	
		}
		$value = $nb;
	}
	if ($type eq 'pointers')
	{
		$status = $others [5];
		if ($status =~ /(.*)_(.*)_(.*)_(.*)/)
		{
			$status = $3;
		}
		elsif ($status =~ /(.*)_(.*)_(.*)/)
		{
			$status = $2;
		}
		if ($time == 0)
		{
			$value = 'Release';
			$self -> {__pointer_status} = 0;
		}
		else
		{
			if ($self -> {__pointer_status})
			{
				$value = 'Motion';
			}
			else
			{
				$value = 'Press';
				$self -> {__pointer_status} = 1;
			}
		}
	}
	if (defined $self -> {$type} -> {all})
	{
		push (@callbacks, @{$self -> {$type} -> {all}});
	}
	if (defined $self -> {$type} -> {$status} -> {all})
	{
		push (@callbacks, @{$self -> {$type} -> {$status} -> {all}});
	}
	if (defined $self -> {$type} -> {$status} -> {$value})
	{
		push (@callbacks, @{$self -> {$type} -> {$status} -> {$value}});
	}
	for (my $i = 0; $i < @callbacks; $i ++)
	{
		executer ($callbacks[$i], $value, $status, $type);
	}	
}


1;