sensor.cpp

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/*
                             This file is part of the OPIE Project
               =.            Copyright (c)  2002 Maximilian Reiss <harlekin@handhelds.org>
             .=l.            Copyright (c)  2002 Robert Griebl <sandman@handhelds.org>
           .>+-=
 _;:,     .>    :=|.         This file is free software; you can
.> <`_,   >  .   <=          redistribute it and/or modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This file 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 file;
  -_. . .   )=.  =           see the file COPYING. If not, write to the
    --        :-=`           Free Software Foundation, Inc.,
                             59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.

*/

#include "calibration.h"
#include "sensor.h"

#include <opie2/odevice.h>

#include <qlayout.h>
#include <qslider.h>
#include <qspinbox.h>

using namespace Opie::Core;

Sensor::Sensor ( QStringList &params, QWidget *parent, const char *name )
        : SensorBase ( parent, name, true, WStyle_ContextHelp ), m_params ( params )
{
        int steps = 12;
        int inter = 2;

        int smin = 40;
        int smax = 215;
        int lmin = 1;
        int lmax = 255;

        switch ( params. count ( )) {
                case 6: lmax = params [5]. toInt ( );
                case 5: lmin = params [4]. toInt ( );
                case 4: smax = params [3]. toInt ( );
                case 3: smin = params [2]. toInt ( );
                case 2: steps = params [1]. toInt ( );
                case 1: inter = params [0]. toInt ( ) / 1000;
        }

        int xscale = ODevice::inst ( )-> lightSensorResolution ( );
        int yscale = ODevice::inst ( )-> displayBrightnessResolution ( );

        QVBoxLayout *lay = new QVBoxLayout ( frame );
        lay-> setMargin ( 2 );
        m_calib = new Calibration ( frame );
        lay-> add ( m_calib );

        m_calib-> setScale ( QSize ( xscale, yscale ));
        m_calib-> setLineSteps ( steps );
        m_calib-> setInterval ( inter );
        m_calib-> setStartPoint ( QPoint ( smin * xscale / 256, lmax * yscale / 256 ));
        m_calib-> setEndPoint ( QPoint ( smax * xscale / 256, lmin * yscale / 256 ));

        interval-> setValue ( inter );
        linesteps-> setValue ( steps );

        connect ( interval, SIGNAL( valueChanged(int)), m_calib, SLOT( setInterval(int)));
        connect ( linesteps, SIGNAL( valueChanged(int)), m_calib, SLOT( setLineSteps(int)));

        connect ( m_calib, SIGNAL( startPointChanged(const QPoint&)), this, SLOT( pointDrag(const QPoint&)));
        connect ( m_calib, SIGNAL( endPointChanged(const QPoint&)), this, SLOT( pointDrag(const QPoint&)));
}

void Sensor::accept ( )
{
        int xscale = ODevice::inst ( )-> lightSensorResolution ( );
        int yscale = ODevice::inst ( )-> displayBrightnessResolution ( );

        m_params. clear ( );
        m_params << QString::number ( m_calib-> interval ( ) * 1000 )
                 << QString::number ( m_calib-> lineSteps ( ))
                 << QString::number ( m_calib-> startPoint ( ). x ( ) * 256 / xscale )
                 << QString::number ( m_calib-> endPoint ( ). x ( ) * 256 / xscale )
                 << QString::number ( m_calib-> endPoint ( ). y ( ) * 256 / yscale )
                 << QString::number ( m_calib-> startPoint ( ). y ( ) * 256 / yscale );

        QDialog::accept ( );
}

void Sensor::pointDrag ( const QPoint &p )
{
        emit viewBacklight ( p. y ( ));
}

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