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126 lines
4.6 KiB
126 lines
4.6 KiB
/*
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Copyright ( C ) 2003 Arnold Krille <arnold@arnoldarts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation;
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version 2 of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include "klevelmeter_firebars.h"
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#include <kdebug.h>
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#include <qpainter.h>
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#include <qpixmap.h>
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KLevelMeter_FireBars_private::KLevelMeter_FireBars_private( KLevelMeter_FireBars* p, const char* n ) : QWidget( p,n ) {
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_parent = p;
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_pixmap = new QPixmap( 0,0 );
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// setPaletteBackgroundColor( QColor( 0,0,255 ) );
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}
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void KLevelMeter_FireBars_private::paintEvent( QPaintEvent* ) {
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QPainter p;
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if ( _pixmap->size() != this->size() ) {
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_pixmap->resize( this->size() );
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p.begin( _pixmap );
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_pixmap->fill( paletteBackgroundColor() );
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if ( dir==Arts::BottomToTop || dir==Arts::TopToBottom ) {
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kdDebug() << k_funcinfo << dir << endl;
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//if ( dir==Arts::BottomToTop ) p.translate( 0, rect().bottom() );
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for ( int i=this->height(); i>0; i-- ) {
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p.setPen( _parent->color( 1-float( i )/this->height() ) );
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//if ( dir==Arts::BottomToTop ) i *= -1;
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p.drawLine( 0, i, this->width(), i );
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}
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} else {
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if ( dir==Arts::RightToLeft ) p.translate( 0, rect().right() );
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for ( int i=this->width(); i>0; i-- ) {
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p.setPen( _parent->color( float( i )/this->width() ) );
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if ( dir==Arts::RightToLeft ) i *= -1;
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p.drawLine( i, 0, i, this->height() );
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}
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}
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p.end();
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}
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p.begin( this );
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p.translate( 0,0 );
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p.drawPixmap( QPoint( 0,0 ), *_pixmap );
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p.end();
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}
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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 ) {
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//kdDebug()<<"KLevelMeter_FireBars::KLevelMeter_FireBars( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
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this->setMinimumSize( 5, 5 );
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_bar = new KLevelMeter_FireBars_private( this, 0 );
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_peakwidget = new QWidget( this );
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_peakwidget->resize( size() );
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_peakwidget->setPaletteBackgroundColor( color( 1 ) );
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_peakwidget->hide();
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}
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void KLevelMeter_FireBars::invalue( float n, float p ) {
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//kdDebug()<<"KLevelMeter_FireBars::invalue( float n )"<<endl;
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if ( _peakwidget->size() != this->size() ) _peakwidget->setGeometry( 0,0, size().width(), size().height() );
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_value = amptondb( n );
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_peak = amptondb( p );
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if ( _peak > 1 )_peakwidget->show(); else _peakwidget->hide();
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_bar->dir = _dir;
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switch ( _dir ) {
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default:
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case Arts::BottomToTop:
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_bar->setGeometry( 0, int( this->height()-_value*this->height() ), this->width(), this->height() );
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break;
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case Arts::TopToBottom:
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_bar->setGeometry( 0, -int( this->height()-_value*this->height() ), this->width(), this->height() );
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break;
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case Arts::LeftToRight:
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_bar->setGeometry( -int( this->width()-_value*this->width() ), 0, this->width(), this->height() );
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break;
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case Arts::RightToLeft:
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_bar->setGeometry( int( this->width()-_value*this->width() ), 0, this->width(), this->height() );
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break;
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}
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repaint();
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}
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void KLevelMeter_FireBars::paintEvent( QPaintEvent* ) {
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QPainter p( this );
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//p.setPen( NoPen );
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p.setPen( QColor( 0,0,255 ) );
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// PeakBar
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if ( _peak > 1.0/1000 ) {
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if ( _dir == Arts::BottomToTop || _dir == Arts::TopToBottom ) {
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if ( _dir == Arts::BottomToTop ) p.translate( 0, rect().bottom() );
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int h = int( this->height()*_peak );
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if ( _dir==Arts::BottomToTop ) h *= -1;
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p.drawLine( 0, h, this->width(), h );
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} else {
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if ( _dir==Arts::RightToLeft ) p.translate( 0, rect().right() );
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int w = int( this->width()* _peak );
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if ( _dir==Arts::RightToLeft ) w *= -1;
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p.drawLine( w, 0, w, this->height() );
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}
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}
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}
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/**
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Planned feature: a little Tooltip showing the actual value of the volume in deziBel and perhaps as linear scaleFactor
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*/
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void KLevelMeter_FireBars::mouseMoveEvent( QMouseEvent* /*qme*/ ) {
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//kdDebug()<<"KLevelMeter_FireBars::mouseMoveEvent(QMouseEvent* "<<qme<<" )"<<endl;
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}
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#include <klevelmeter_firebars.moc>
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// vim: sw=4 ts=4
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