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/*
Copyright ( C ) 2003 Arnold Krille <arnold@arnoldarts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation;
version 2 of the License.
This library 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 library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "klevelmeter_impl.h"
#include <math.h>
#include <qframe.h>
#include <kdebug.h>
#include <qlayout.h>
#include <kartswidget.h>
#include "klevelmeter_private.h"
#include "klevelmeter_private.moc"
#include "klevelmeter_template.h"
#include "klevelmeter_template.moc"
#include "klevelmeter_small.h"
#include "klevelmeter_linebars.h"
#include "klevelmeter_firebars.h"
#include "klevelmeter_normalbars.h"
using namespace Arts;
using namespace std;
KLevelMeter_Private::KLevelMeter_Private( KLevelMeter_impl* impl, QFrame* frame, LevelMeterStyle defstyle, QObject* parent, const char* name )
: QObject( parent, name )
, _impl( impl )
, _frame( frame )
, _levelmeter( 0 )
, _style( defstyle )
, _substyle( 0 )
, _count( 20 )
, _direction( Arts::BottomToTop )
, _peak( 20 ), _peakvalue( 0.0 )
, _dbmin( -36 ), _dbmax( 0 )
{
_layout = new QBoxLayout( _frame, QBoxLayout::LeftToRight );
}
void KLevelMeter_Private::createWidget() {
if ( _levelmeter != 0 ) { _levelmeter->hide(); delete _levelmeter; _levelmeter=0; }
switch ( _style ) {
case lmNormalBars:
_levelmeter = new KLevelMeter_NormalBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
break;
case lmFireBars:
_levelmeter = new KLevelMeter_FireBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
break;
default:
case lmLineBars:
_levelmeter = new KLevelMeter_LineBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
break;
case lmSmall:
_levelmeter = new KLevelMeter_Small( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
break;
}
_layout->addWidget( _levelmeter );
_levelmeter->show();
_levelmeter->setMinimumSize( 10,10 );
}
KLevelMeter_impl::KLevelMeter_impl( QFrame* w ) : Arts::KFrame_impl( w ? w : new QFrame( 0 ) ) {
//kdDebug()<<"KLevelMeter_impl::KLevelMeter_impl( QFrame* "<<w<<" )"<<endl;
p = new KLevelMeter_Private( this, _qframe, lmLineBars );
p->createWidget();
}
LevelMeterStyle KLevelMeter_impl::style() { return p->_style; }
void KLevelMeter_impl::style( LevelMeterStyle style ) {
if ( p->_style!=style )
{
p->_style = style;
p->createWidget();
}
}
long KLevelMeter_impl::substyle() { return p->_substyle; }
void KLevelMeter_impl::substyle( long n ) { p->_substyle = n; p->_levelmeter->substyle( n ); }
long KLevelMeter_impl::count() { return p->_levelmeter->count(); }
void KLevelMeter_impl::count( long n ) { p->_levelmeter->count( n ); p->_count = n; }
long KLevelMeter_impl::peakfalloff() { return p->_peak; }
void KLevelMeter_impl::peakfalloff( long n ) { p->_peak = n; }
float KLevelMeter_impl::mindB() { return p->_levelmeter->dbmin; }
void KLevelMeter_impl::mindB( float n ) { p->_levelmeter->dbmin = n; p->_dbmin = n; }
float KLevelMeter_impl::maxdB() { return p->_levelmeter->dbmax; }
void KLevelMeter_impl::maxdB( float n ) { p->_levelmeter->dbmax = n; p->_dbmax = n; }
float KLevelMeter_impl::invalue() { return 0.0; }
void KLevelMeter_impl::invalue( float n ) {
//kdDebug()<<"KLevelMeter_impl::invalue( float n="<<n<<" )"<<endl;
if ( p->_peak ) {
p->_peakvalue = ( p->_peak*p->_peakvalue + n ) / ( p->_peak + 1 );
if ( p->_peakvalue < n ) p->_peakvalue = n;
}
else p->_peakvalue = 0.0;
p->_levelmeter->invalue( n, p->_peakvalue );
}
Arts::Direction KLevelMeter_impl::direction() { return p->_direction; }
void KLevelMeter_impl::direction( Arts::Direction n ) {
p->_direction = n;
p->_levelmeter->direction( n );
}
REGISTER_IMPLEMENTATION( KLevelMeter_impl );
// vim: sw=4 ts=4
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