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-rw-r--r--arts/gui/kde/klevelmeter_linebars.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/arts/gui/kde/klevelmeter_linebars.cpp b/arts/gui/kde/klevelmeter_linebars.cpp
new file mode 100644
index 00000000..108c5a94
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_linebars.cpp
@@ -0,0 +1,109 @@
+/*
+ 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_linebars.h"
+
+#include <kdebug.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+KLevelMeter_LineBars::KLevelMeter_LineBars( 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 )
+ , _value( 0.0 )
+ , _peak( 0.0 )
+{
+//kdDebug()<<"KLevelMeter_LineBars::KLevelMeter_LineBars( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", Arts::Direction "<<dir<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
+ this->setMinimumSize( 5, 5 );
+ this->substyle( substyle );
+ _stdcolors = colorGroup();
+ setBackgroundMode( Qt::NoBackground );
+}
+
+void KLevelMeter_LineBars::invalue( float n, float p ) {
+ _value = amptondb( n );
+ _peak = amptondb( p );
+ repaint();
+}
+
+void KLevelMeter_LineBars::substyle( long n ) {
+ //kdDebug() << k_funcinfo << n << endl;
+ _substyle = n;
+}
+long KLevelMeter_LineBars::substyle() { return _substyle; }
+
+void KLevelMeter_LineBars::paintEvent( QPaintEvent* ) {
+ QPixmap pm( size() );
+ QPainter p( &pm );
+
+ switch ( _dir ) {
+ case Arts::BottomToTop:
+ break;
+ case Arts::TopToBottom:
+ p.rotate( 180.0 );
+ p.translate( -width() + 1, -height() + 1 );
+ break;
+ case Arts::LeftToRight:
+ p.rotate( 90.0 );
+ p.translate( 0, -width() + 1 );
+ break;
+ case Arts::RightToLeft:
+ p.rotate( 270.0 );
+ p.translate( -height() + 1, 0 );
+ break;
+ }
+
+ if ( _substyle & 1 )
+ p.setBrush( ( _peak<1 )?QColor( 0,0,255 ):QColor( 255,0,0 ) );
+ else
+ p.setBrush( ( _peak<1 )?color( _value ):QColor( 255,0,0 ) );
+
+ QColor bgcolor = ( _substyle & 2 ) ? p.brush().color().dark() : _stdcolors.background();
+ pm.fill( bgcolor );
+
+ p.setPen( NoPen );
+
+ QSize s = size();
+ if ( Arts::LeftToRight == _dir || Arts::RightToLeft == _dir )
+ s.transpose();
+
+ // Value
+ int h = int( s.height() * _value );
+ int top = s.height() - h;
+ int w = s.width();
+ p.drawRect( 0, top, w, h );
+ // PeakBar
+ if ( _peak > 1.0/1000 && _peak <= 1.0 ) {
+ p.setPen( QColor( 255-bgcolor.red(), 255-bgcolor.green(), 255-bgcolor.blue() ) );
+ top = int( s.height() * ( 1 - _peak ) );
+ p.drawLine( 0, top, w, top );
+ }
+
+ bitBlt( this, 0, 0, &pm, 0, 0, pm.width(), pm.height(), CopyROP, true );
+}
+
+/**
+ Planned feature: a little Tooltip showing the actual value of the volume in deziBel and perhaps as linear scaleFactor
+*/
+void KLevelMeter_LineBars::mouseMoveEvent( QMouseEvent* /*qme*/ ) {
+//kdDebug()<<"KLevelMeter_LineBars::mouseMoveEvent(QMouseEvent* "<<qme<<" )"<<endl;
+//kdDebug()<<"qme.y()="<<this->height()-qme->y()<<" db="<<db<<" dbtoamp(db)="<<dbtoamp( db )<<endl;
+}
+
+#include <klevelmeter_linebars.moc>
+// vim: sw=4 ts=4