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tdemultimedia/arts/gui/kde/klevelmeter_normalbars.cpp

82 lines
3.3 KiB

/*
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "klevelmeter_normalbars.h"
#include <kdebug.h>
#include <qpainter.h>
#include <qlayout.h>
KLevelMeter_NormalBars::KLevelMeter_NormalBars( Arts::KLevelMeter_impl* impl, QWidget* parent, long substyle, long count, Arts::Direction dir, float _dbmin, float _dbmax ) : KLevelMeter_Template( impl, parent, substyle, count, dir, _dbmin, _dbmax ) {
//kdDebug()<<"KLevelMeter_NormalBars::KLevelMeter_NormalBars( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
_layout = new QBoxLayout( this, QBoxLayout::BottomToTop );
}
void KLevelMeter_NormalBars::invalue( float n, float p ) {
//kdDebug()<<"KLevelMeter_NormalBars::invalue( float "<<n<<", float "<<p<<" )"<<endl;
_peak = amptondb( p );
_value = amptondb( n );
if ( _dir != Arts::Direction( _layout->direction() ) ) _layout->setDirection( QBoxLayout::Direction( _dir ) );
for ( uint i=0; i<bars.count(); i++ ) bars.at( i )->setValue( _value );
}
long KLevelMeter_NormalBars::count() { return _count; }
void KLevelMeter_NormalBars::count( long n ) {
//kdDebug()<<"KLevelMeter_NormalBars::count( long "<<n<<" )"<<endl;
if ( n != _count && n>0 ) {
_count = n;
resizeEvent();
}
}
void KLevelMeter_NormalBars::resizeEvent( QResizeEvent* ) {
//kdDebug()<<"KLevelMeter_NormalBars::resizeEvent( QResizeEvent* )"<<endl;
uint barscount = _count;
//kdDebug()<<"[1] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
if ( _dir==Arts::BottomToTop || _dir==Arts::TopToBottom ) {
if ( unsigned( this->height() ) < barscount ) barscount = this->height();
} else {
if ( unsigned( this->width() ) < barscount ) barscount = this->width();
}
if ( barscount != bars.count() ) {
//kdDebug()<<"[2] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
while ( bars.count() > 0 ) {
bars.last()->hide();
delete bars.last();
bars.removeLast();
//kdDebug()<<"[2.5] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
}
//kdDebug()<<"[3] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
uint i=0;
while ( bars.count()<barscount ) {
Bar* tmp = new Bar( i*1.0/barscount, ( i+1 )*1.0/barscount, color( i*1.0/barscount ), this );
tmp->show();
_layout->addWidget( tmp );
bars.append( tmp );
i++;
//kdDebug()<<"[3."<<i<<"] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
}
//kdDebug()<<"[4] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
}
}
#include <klevelmeter_normalbars.moc>
// vim: sw=4 ts=4