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109 lines
3.5 KiB
109 lines
3.5 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., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "klevelmeter_linebars.h"
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#include <kdebug.h>
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#include <tqpainter.h>
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#include <tqpixmap.h>
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KLevelMeter_LineBars::KLevelMeter_LineBars( Arts::KLevelMeter_impl* impl, TQWidget* 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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, _value( 0.0 )
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, _peak( 0.0 )
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{
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//kdDebug()<<"KLevelMeter_LineBars::KLevelMeter_LineBars( Arts::KLevelMeter_impl* "<<impl<<", TQWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", Arts::Direction "<<dir<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
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this->setMinimumSize( 5, 5 );
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this->substyle( substyle );
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_stdcolors = colorGroup();
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setBackgroundMode( TQt::NoBackground );
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}
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void KLevelMeter_LineBars::invalue( float n, float p ) {
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_value = amptondb( n );
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_peak = amptondb( p );
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repaint();
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}
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void KLevelMeter_LineBars::substyle( long n ) {
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//kdDebug() << k_funcinfo << n << endl;
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_substyle = n;
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}
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long KLevelMeter_LineBars::substyle() { return _substyle; }
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void KLevelMeter_LineBars::paintEvent( TQPaintEvent* ) {
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TQPixmap pm( size() );
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TQPainter p( &pm );
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switch ( _dir ) {
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case Arts::BottomToTop:
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break;
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case Arts::TopToBottom:
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p.rotate( 180.0 );
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p.translate( -width() + 1, -height() + 1 );
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break;
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case Arts::LeftToRight:
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p.rotate( 90.0 );
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p.translate( 0, -width() + 1 );
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break;
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case Arts::RightToLeft:
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p.rotate( 270.0 );
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p.translate( -height() + 1, 0 );
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break;
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}
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if ( _substyle & 1 )
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p.setBrush( ( _peak<1 )?TQColor( 0,0,255 ):TQColor( 255,0,0 ) );
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else
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p.setBrush( ( _peak<1 )?color( _value ):TQColor( 255,0,0 ) );
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TQColor bgcolor = ( _substyle & 2 ) ? p.brush().color().dark() : TQColor(_stdcolors.background());
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pm.fill( bgcolor );
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p.setPen( NoPen );
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TQSize s = size();
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if ( Arts::LeftToRight == _dir || Arts::RightToLeft == _dir )
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s.transpose();
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// Value
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int h = int( s.height() * _value );
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int top = s.height() - h;
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int w = s.width();
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p.drawRect( 0, top, w, h );
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// PeakBar
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if ( _peak > 1.0/1000 && _peak <= 1.0 ) {
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p.setPen( TQColor( 255-bgcolor.red(), 255-bgcolor.green(), 255-bgcolor.blue() ) );
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top = int( s.height() * ( 1 - _peak ) );
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p.drawLine( 0, top, w, top );
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}
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bitBlt( TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&pm), 0, 0, pm.width(), pm.height(), CopyROP, true );
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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_LineBars::mouseMoveEvent( TQMouseEvent* /*qme*/ ) {
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//kdDebug()<<"KLevelMeter_LineBars::mouseMoveEvent(TQMouseEvent* "<<qme<<" )"<<endl;
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//kdDebug()<<"qme.y()="<<this->height()-qme->y()<<" db="<<db<<" dbtoamp(db)="<<dbtoamp( db )<<endl;
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}
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#include <klevelmeter_linebars.moc>
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