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

1 files changed, 163 insertions, 0 deletions

diff --git a/arts/tools/fftscopeview.cpp b/arts/tools/fftscopeview.cpp
new file mode 100644
index 00000000..cb4c2acc
--- /dev/null
+++ b/arts/tools/fftscopeview.cpp
@@ -0,0 +1,163 @@
+/*
+
+    Copyright ( C ) 2000-2001 Stefan Westerfeld
+                              <stefan@space.twc.de>
+                    2003 Arnold Krille <arnold@arnoldarts.de>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    ( at your option ) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+    */
+
+#include "fftscopeview.h"
+
+#include <qlayout.h>
+#include <qcursor.h>
+#include <qtimer.h>
+#include <kaction.h>
+#include <kpopupmenu.h>
+#include <kartswidget.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kiconloader.h>
+
+#include "artsactions.h"
+
+using namespace std;
+using namespace Arts;
+
+FFTScopeView::FFTScopeView( SimpleSoundServer server, QWidget* parent )
+	: Template_ArtsView( parent )
+	, server( server )
+	, scopeData( 0 )
+{
+kdDebug()<<k_funcinfo<<endl;
+	this->setCaption( i18n( "FFT Scope View" ) );
+	this->setIcon( MainBarIcon( "artsfftscope", 32 ) );
+	/*
+	   create a stereo fft scope on the server and push it into the
+	   effect chain
+	*/
+	{
+		scopefx = DynamicCast( server.createObject( "Arts::StereoFFTScope" ) );
+		assert( !scopefx.isNull() );
+		scopefx.start();
+
+		// put it into the effect chain
+		effectID = server.outstack().insertBottom( scopefx,"FFT Scope" );
+	}
+
+	updateScopeData();
+	QBoxLayout * l = new QHBoxLayout(  this );
+	l->setAutoAdd( TRUE );
+
+	for ( unsigned int i=0;i<scopeData->size();i++ )
+	{
+		LevelMeter tmp;
+		tmp.count( 20 );
+		scopeScales.push_back( tmp );
+		scopeDraw.push_back( 0.0 );
+		KArtsWidget *w = new KArtsWidget( tmp, this );
+		aw.push_back( w );
+	}
+
+	l->activate();
+	show();
+
+	updatetimer = new QTimer( this );
+	updatetimer->start( 100 );
+	connect( updatetimer,SIGNAL( timeout() ),this,SLOT( updateScope() ) );
+
+	_artsactions = new ArtsActions( 0, 0, this );
+	_moreBars = ArtsActions::actionMoreBars( this, SLOT( moreBars() ), 0 );
+	_lessBars = ArtsActions::actionLessBars( this, SLOT( lessBars() ), 0 );
+	_menu = new KPopupMenu( 0 );
+	_moreBars->plug( _menu ); _lessBars->plug( _menu );
+	_substyle = new KAction( i18n( "Substyle" ), "", KShortcut(), this, SLOT( substyle() ), this );
+	_substyle->plug( _menu );
+	_menu->insertItem( i18n("VU-Style"), _artsactions->stylemenu() );
+
+	connect( _artsactions, SIGNAL( styleNormal() ), this, SLOT( styleNormalBars() ) );
+	connect( _artsactions, SIGNAL( styleFire() ), this, SLOT( styleFireBars() ) );
+	connect( _artsactions, SIGNAL( styleLine() ), this, SLOT( styleLineBars() ) );
+	connect( _artsactions, SIGNAL( styleLED() ), this, SLOT( styleLEDs() ) );
+	connect( _artsactions, SIGNAL( styleAnalog() ), this, SLOT( styleAnalog() ) );
+	connect( _artsactions, SIGNAL( styleSmall() ), this, SLOT( styleSmall() ) );
+}
+
+FFTScopeView::~FFTScopeView() {
+kdDebug()<<"FFTScopeView::~FFTScopeView()"<<endl;
+	updatetimer->stop();
+	for ( int i=int( aw.size() )-1; i>=0; i-- ) { scopeScales[ i ].hide(); delete aw[ i ]; aw.pop_back(); scopeScales.pop_back(); }
+	server.outstack().remove( effectID );
+kdDebug()<<"FFTScopeView is gone..."<<endl;
+}
+
+void FFTScopeView::updateScopeData() {
+	if ( scopeData ) delete scopeData;
+	scopeData = scopefx.scope();
+}
+
+void FFTScopeView::updateScope() {
+	updateScopeData();
+
+	for ( unsigned int i=0;i<scopeData->size();i++ )
+	{
+//		scopeDraw[ i ] /= 1.25;
+//		if ( ( *scopeData )[ i ] > scopeDraw[ i ] ) scopeDraw[ i ] = ( *scopeData )[ i ];
+		scopeDraw[ i ] = ( *scopeData )[ i ];
+		scopeScales[ i ].invalue( scopeDraw[ i ] );
+	}
+}
+
+void FFTScopeView::mousePressEvent( QMouseEvent* ev ) {
+	if ( Qt::RightButton == ev->button() /*|| Qt::LeftButton == ev->button()*/ )
+		_menu->exec(  QCursor::pos() );
+}
+
+void FFTScopeView::moreBars() {
+	int bars = scopeScales[ 0 ].count() + 10;
+	for ( unsigned int i=0;i<scopeData->size();i++ )
+		scopeScales[ i ].count( bars );
+}
+
+void FFTScopeView::lessBars() {
+	int bars = scopeScales[ 0 ].count() - 10;
+	for ( unsigned int i=0;i<scopeData->size();i++ )
+		scopeScales[ i ].count( bars );
+}
+
+void FFTScopeView::setStyle( Arts::LevelMeterStyle style ) {
+	for ( uint i=0; i<scopeScales.size(); i++ )
+		scopeScales[ i ].style( style );
+}
+
+void FFTScopeView::styleNormalBars() { setStyle( Arts::lmNormalBars ); }
+void FFTScopeView::styleFireBars() { setStyle( Arts::lmFireBars ); }
+void FFTScopeView::styleLineBars() { setStyle( Arts::lmLineBars ); }
+void FFTScopeView::styleLEDs() { setStyle( Arts::lmLEDs ); }
+void FFTScopeView::styleAnalog() { setStyle( Arts::lmAnalog ); }
+void FFTScopeView::styleSmall() { setStyle( Arts::lmSmall ); }
+
+#include <kinputdialog.h>
+
+void FFTScopeView::substyle() {
+	int _substyle = KInputDialog::getInteger( i18n("Substyle"), i18n("Please enter substyle:"), 0, 0, 10, 1, 0, this );
+	for ( unsigned int i=0; i<scopeData->size(); i++ )
+		scopeScales[ i ].substyle( _substyle );
+}
+
+#include "fftscopeview.moc"
+// vim: sw=4 ts=4
+