From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 arts/gui/kde/klevelmeter_linebars.cpp | 109 ++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 arts/gui/kde/klevelmeter_linebars.cpp

(limited to 'arts/gui/kde/klevelmeter_linebars.cpp')

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
-- 
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