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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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "klevelmeter_firebars.h"
#include <kdebug.h>
#include <qpainter.h>
#include <qpixmap.h>
KLevelMeter_FireBars_private::KLevelMeter_FireBars_private( KLevelMeter_FireBars* p, const char* n ) : QWidget( p,n ) {
_parent = p;
_pixmap = new QPixmap( 0,0 );
// setPaletteBackgroundColor( QColor( 0,0,255 ) );
}
void KLevelMeter_FireBars_private::paintEvent( QPaintEvent* ) {
QPainter p;
if ( _pixmap->size() != this->size() ) {
_pixmap->resize( this->size() );
p.begin( _pixmap );
_pixmap->fill( paletteBackgroundColor() );
if ( dir==Arts::BottomToTop || dir==Arts::TopToBottom ) {
kdDebug() << k_funcinfo << dir << endl;
//if ( dir==Arts::BottomToTop ) p.translate( 0, rect().bottom() );
for ( int i=this->height(); i>0; i-- ) {
p.setPen( _parent->color( 1-float( i )/this->height() ) );
//if ( dir==Arts::BottomToTop ) i *= -1;
p.drawLine( 0, i, this->width(), i );
}
} else {
if ( dir==Arts::RightToLeft ) p.translate( 0, rect().right() );
for ( int i=this->width(); i>0; i-- ) {
p.setPen( _parent->color( float( i )/this->width() ) );
if ( dir==Arts::RightToLeft ) i *= -1;
p.drawLine( i, 0, i, this->height() );
}
}
p.end();
}
p.begin( this );
p.translate( 0,0 );
p.drawPixmap( QPoint( 0,0 ), *_pixmap );
p.end();
}
KLevelMeter_FireBars::KLevelMeter_FireBars( 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_FireBars::KLevelMeter_FireBars( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
this->setMinimumSize( 5, 5 );
_bar = new KLevelMeter_FireBars_private( this, 0 );
_peakwidget = new QWidget( this );
_peakwidget->resize( size() );
_peakwidget->setPaletteBackgroundColor( color( 1 ) );
_peakwidget->hide();
}
void KLevelMeter_FireBars::invalue( float n, float p ) {
//kdDebug()<<"KLevelMeter_FireBars::invalue( float n )"<<endl;
if ( _peakwidget->size() != this->size() ) _peakwidget->setGeometry( 0,0, size().width(), size().height() );
_value = amptondb( n );
_peak = amptondb( p );
if ( _peak > 1 )_peakwidget->show(); else _peakwidget->hide();
_bar->dir = _dir;
switch ( _dir ) {
default:
case Arts::BottomToTop:
_bar->setGeometry( 0, int( this->height()-_value*this->height() ), this->width(), this->height() );
break;
case Arts::TopToBottom:
_bar->setGeometry( 0, -int( this->height()-_value*this->height() ), this->width(), this->height() );
break;
case Arts::LeftToRight:
_bar->setGeometry( -int( this->width()-_value*this->width() ), 0, this->width(), this->height() );
break;
case Arts::RightToLeft:
_bar->setGeometry( int( this->width()-_value*this->width() ), 0, this->width(), this->height() );
break;
}
repaint();
}
void KLevelMeter_FireBars::paintEvent( QPaintEvent* ) {
QPainter p( this );
//p.setPen( NoPen );
p.setPen( QColor( 0,0,255 ) );
// PeakBar
if ( _peak > 1.0/1000 ) {
if ( _dir == Arts::BottomToTop || _dir == Arts::TopToBottom ) {
if ( _dir == Arts::BottomToTop ) p.translate( 0, rect().bottom() );
int h = int( this->height()*_peak );
if ( _dir==Arts::BottomToTop ) h *= -1;
p.drawLine( 0, h, this->width(), h );
} else {
if ( _dir==Arts::RightToLeft ) p.translate( 0, rect().right() );
int w = int( this->width()* _peak );
if ( _dir==Arts::RightToLeft ) w *= -1;
p.drawLine( w, 0, w, this->height() );
}
}
}
/**
Planned feature: a little Tooltip showing the actual value of the volume in deziBel and perhaps as linear scaleFactor
*/
void KLevelMeter_FireBars::mouseMoveEvent( QMouseEvent* /*qme*/ ) {
//kdDebug()<<"KLevelMeter_FireBars::mouseMoveEvent(QMouseEvent* "<<qme<<" )"<<endl;
}
#include <klevelmeter_firebars.moc>
// vim: sw=4 ts=4
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