diff options
Diffstat (limited to 'arts/gui/kde/klevelmeter_firebars.cpp')
| -rw-r--r-- | arts/gui/kde/klevelmeter_firebars.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/arts/gui/kde/klevelmeter_firebars.cpp b/arts/gui/kde/klevelmeter_firebars.cpp new file mode 100644 index 00000000..916c6b53 --- /dev/null +++ b/arts/gui/kde/klevelmeter_firebars.cpp @@ -0,0 +1,125 @@ +/* + Copyright ( C ) 2003 Arnold Krille <[email protected]> + + 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 |