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

77 files changed, 6643 insertions, 0 deletions

diff --git a/arts/gui/kde/Makefile.am b/arts/gui/kde/Makefile.am
new file mode 100644
index 00000000..5ebb3d0b
--- /dev/null
+++ b/arts/gui/kde/Makefile.am
@@ -0,0 +1,38 @@
+SUBDIRS = mcopclass
+
+lib_LTLIBRARIES = libartsgui_kde.la
+
+check_PROGRAMS = artstestgui dbtest
+
+INCLUDES= -I$(top_builddir)/arts/runtime -I$(top_builddir)/arts/gui/common -I$(arts_includes) $(all_includes)
+
+libartsgui_kde_la_SOURCES = kwidget_impl.cpp kbutton_impl.cpp \
+  kpoti_impl.cpp kpoti.cpp kwidgetrepo.cpp kartswidget.cpp \
+  klineedit_impl.cpp khbox_impl.cpp kvbox_impl.cpp kspinbox_impl.cpp \
+  kcombobox_impl.cpp kfader.cpp kfader_impl.cpp kgraph_impl.cpp kgraph.cpp \
+  kgraphline_impl.cpp kframe_impl.cpp klayoutbox_impl.cpp kpopupbox_impl.cpp \
+  klevelmeter_impl.cpp klevelmeter_small.cpp klevelmeter_linebars.cpp \
+  klevelmeter_normalbars.cpp klevelmeter_firebars.cpp \
+  ktickmarks_impl.cpp kvolumefader_impl.cpp klabel_impl.cpp
+
+libartsgui_kde_la_LIBADD = $(LIB_KIO) -lkdecore -lkdeui \
+  $(top_builddir)/arts/gui/common/libartsgui_idl.la
+libartsgui_kde_la_LDFLAGS = $(all_libraries) -no-undefined
+libartsgui_kde_la_COMPILE_FIRST = ../common/artsgui.h
+
+artstestgui_SOURCES = artstestgui.cpp
+artstestgui_LDADD = -lqtmcop -lkdecore -lartsflow \
+  $(top_builddir)/arts/gui/common/libartsgui_idl.la
+artstestgui_LDFLAGS	= $(all_libraries) $(KDE_RPATH)
+
+dbtest_SOURCES = dbtest.cpp
+dbtest_LDADD = -lqtmcop -lkdecore -lartsflow \
+	$(top_builddir)/arts/gui/kde/libartsgui_kde.la
+dbtest_LDFLAGS = $(all_libraries) $(KDE_RPATH)
+
+libartsgui_kde_la_METASOURCES = AUTO
+
+####### install header files
+
+artsincludedir = $(includedir)/arts
+artsinclude_HEADERS = kartswidget.h kframe_impl.h kwidget_impl.h kwidgetrepo.h klayoutbox_impl.h
diff --git a/arts/gui/kde/artstestgui.cpp b/arts/gui/kde/artstestgui.cpp
new file mode 100644
index 00000000..92f13163
--- /dev/null
+++ b/arts/gui/kde/artstestgui.cpp
@@ -0,0 +1,124 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "artsgui.h"
+#include <connect.h>
+#include <qiomanager.h>
+#include <qpushbutton.h>
+#include <kapplication.h>
+#include <objectmanager.h>
+
+using namespace Arts;
+
+int main(int argc, char **argv)
+{
+	QIOManager iomanager;
+	Dispatcher dispatcher(&iomanager);
+	KApplication application(argc, argv, "testgui");
+
+	ObjectManager::the()->provideCapability("kdegui");
+
+	Widget w;
+	w.width(500); w.height(350); w.show();
+
+	Button b;
+	b.parent(w);
+	b.x(10);
+	b.y(10);
+	b.width(100);
+	b.height(20);
+	b.text("Hello World");
+	b.show();
+
+	Button b2;
+	b2.parent(w);
+	b2.x(10);
+	b2.y(30);
+	b2.width(100);
+	b2.height(20);
+	b2.text("More World");
+	b2.show();
+
+	Poti p;
+	p.parent(w);
+	p.x(150);
+	p.y(10);
+	p.caption("delay (ms)");
+	p.color("red");
+	p.min(10);
+	p.max(100);
+	p.value(90);
+	p.show();
+
+	Poti q;
+	q.parent(w);
+	q.x(250);
+	q.y(10);
+	q.caption("delay (ms)");
+	q.color("blue");
+	q.min(10);
+	q.max(100);
+	q.value(90);
+	q.show();
+
+	Graph g;
+	g.parent(w);
+	g.x(50);
+	g.y(70);
+	g.width(400);
+	g.height(230);
+	g.caption("a graph");
+	g.minx(0.0);
+	g.maxx(1.0);
+	g.miny(0.0);
+	g.maxy(1.0);
+	g.show();
+
+	GraphLine gline;
+	gline.graph(g);
+	std::vector<GraphPoint> points;
+	points.push_back(GraphPoint(0, 1.0));
+	points.push_back(GraphPoint(0.5, 1.0));
+	points.push_back(GraphPoint(0.501, 0.0));
+	points.push_back(GraphPoint(1.0, 0.0));
+	gline.points(points);
+	gline.color("red");
+	gline.editable(true);
+
+	/* moves q if p is moved */
+	connect(p,"value_changed",q,"value");
+
+/*
+	connect(q,"value_changed",p,"value");  
+
+	With the current assumptions that change notifications make, it is not
+	possible to connect p to q and q to p.
+
+	The reason is that the notification will only be delivered some time
+	in the future (due to the requirement that they are asynchronous, i.e.
+	do not cause the sender to block) - but this means that two different
+	change notifications (i.e. changed to 1.0, changed to 2.0) may move
+	in a cycle between the two objects p and q, if p and q are cross
+	connected. So don't cross connect ;).
+*/
+	return application.exec();
+}
diff --git a/arts/gui/kde/dbtest.cpp b/arts/gui/kde/dbtest.cpp
new file mode 100644
index 00000000..164b3630
--- /dev/null
+++ b/arts/gui/kde/dbtest.cpp
@@ -0,0 +1,42 @@
+
+#include <kapplication.h>
+#include <kcmdlineargs.h>
+#include <kaboutdata.h>
+#include <klocale.h>
+#include <kstdaction.h>
+#include <kactioncollection.h>
+#include <kdebug.h>
+
+#include <dbtest.h>
+#include <dbtest.moc>
+
+dBTestWidget::dBTestWidget( QWidget* p, const char* n ) : QWidget( p,n ), dB2VolCalc( -24,6 ) {
+kdDebug() << k_funcinfo << endl;
+	( void* ) KStdAction::quit( this, SLOT( close() ), new KActionCollection( this ) );
+
+	for ( float i=0; i<=1; i+=0.25 )
+		kdDebug() << i << " : " << amptodb( i ) << "dB" <<endl;
+
+	for ( int i=-24; i<=0; i++ )
+		kdDebug() << i <<"db : " << dbtoamp( i ) << endl;
+}
+dBTestWidget::~dBTestWidget() {
+kdDebug() << k_funcinfo << endl;
+}
+
+int main( int argc, char* argv[] ) {
+
+	KAboutData aboutData(  "dbtest", I18N_NOOP( "dBTest" ),
+		"0.1", "", KAboutData::License_GPL,
+		"(c) 2002, Arnold Krille" );
+	aboutData.addAuthor( "Arnold Krille", I18N_NOOP(  "Creator" ), "arnold@arnoldarts.de");
+	KCmdLineArgs::init( argc, argv, &aboutData );
+
+	KApplication app;
+
+	dBTestWidget* w = new dBTestWidget( 0 );
+	w->show();
+	app.setMainWidget( w );
+
+	return app.exec();
+}
diff --git a/arts/gui/kde/dbtest.h b/arts/gui/kde/dbtest.h
new file mode 100644
index 00000000..e7d996b0
--- /dev/null
+++ b/arts/gui/kde/dbtest.h
@@ -0,0 +1,16 @@
+
+#ifndef DBTESTWIDGET_H
+#define DBTESTWIDGET_H
+
+#include <qwidget.h>
+
+#include "dbvolcalc.h"
+
+class dBTestWidget : public QWidget, public dB2VolCalc {
+   Q_OBJECT
+public:
+	dBTestWidget( QWidget*, const char* =0 );
+	~dBTestWidget();
+};
+
+#endif
diff --git a/arts/gui/kde/dbvolcalc.h b/arts/gui/kde/dbvolcalc.h
new file mode 100644
index 00000000..8d99bf59
--- /dev/null
+++ b/arts/gui/kde/dbvolcalc.h
@@ -0,0 +1,82 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_DB2VOL_CALC_H
+#define ARTS_DB2VOL_CALC_H
+
+#include <math.h>
+
+class dB2VolCalc {
+private:
+	float _base;
+public:
+	dB2VolCalc( float _dbmin, float _dbmax )
+	  : _base( 6/log10( double(2) ) ) // Depends on what you measure: intensity(10), pressure(20), old artscontrol(6/lg2 (near 20))
+	  , dbmax( _dbmax )
+	  , dbmin( _dbmin )
+	{}
+
+	float dbmax, dbmin;
+	/**
+		Logarithmic/decimal valuation:
+		p = ampfactor ( linear )
+		db = dezibel ( logarithmic )
+		p = 10^( d/10 )
+		db = 10*lg( p )
+
+		artscontrol was using
+			db = 6/ln( 2 ) * ln( p )
+		which would be
+			db = 6/lg( 2 ) * lg( p )
+	*/
+	float amptodb( float p ) {
+		float db = _base*log10( p );
+		if ( db < dbmin ) db = dbmin;
+		if ( db > dbmax ) db = dbmax;
+		return db;
+	}
+	float dbtoamp( float db ) {
+		float amp = pow( 10, db/_base );
+		if ( amp <= pow( 10, dbmin/_base ) ) amp = 0;
+		return amp;
+	}
+	/// With ndb = normalized dB (between 0 and 1)
+	float amptondb( float p ) {
+		return  dbtondb( amptodb( p ) ); //- dbmin ) / ( dbmax - dbmin );
+	}
+	float ndbtoamp( float ndb ) {
+		return dbtoamp( ndb * ( dbmax - dbmin ) + dbmin );
+	}
+	/// Normalizes a dezibel value.
+	float dbtondb( float db ) {
+		return ( db - dbmin )/( dbmax - dbmin );
+	}
+	/// Normalizes a volume to a logarithmic value between 0 and 1.
+	float dbtovol( float db ) {
+		return ( db -dbmin )/( 0-dbmin );
+	}
+	/// Unnormalizes a dezibel value.
+	float ndbtodb( float ndb ) {
+		return ( ndb * ( dbmax-dbmin ) +dbmin );
+	}
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kartswidget.cpp b/arts/gui/kde/kartswidget.cpp
new file mode 100644
index 00000000..78f3bc3f
--- /dev/null
+++ b/arts/gui/kde/kartswidget.cpp
@@ -0,0 +1,89 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.de
+                  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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kartswidget.h"
+#include "kwidgetrepo.h"
+#include "debug.h"
+#include "qlayout.h"
+
+class KArtsWidgetPrivate {
+public:
+	QHBoxLayout *layout;
+};
+
+KArtsWidget::KArtsWidget( QWidget* parent, const char* name )
+	:QWidget( parent, name ), _content( Arts::Widget::null() )
+{
+	d = new KArtsWidgetPrivate;
+	d->layout = new QHBoxLayout(this);
+}
+
+KArtsWidget::KArtsWidget( Arts::Widget content, QWidget* parent, const char* name )
+	:QWidget( parent, name ), _content( Arts::Widget::null())
+{
+	d = new KArtsWidgetPrivate;
+	d->layout = new QHBoxLayout(this);
+	setContent(content);
+}
+
+KArtsWidget::KArtsWidget( Arts::Widget content, QWidget* parent, const char* name, WFlags wflags )
+	:QWidget( parent, name, wflags ), _content( Arts::Widget::null() )
+{
+	d = new KArtsWidgetPrivate;
+	d->layout = new QHBoxLayout( this );
+	setContent( content );
+}
+
+KArtsWidget::KArtsWidget(QWidget* parent, const char* name, WFlags wflags )
+	:QWidget(parent, name, wflags ), _content(Arts::Widget::null())
+{
+	d = new KArtsWidgetPrivate;
+	d->layout = new QHBoxLayout(this);
+}
+
+KArtsWidget::~KArtsWidget()
+{
+	QWidget *contentAsWidget
+		= KWidgetRepo::the()->lookupQWidget(_content.widgetID());
+	contentAsWidget->reparent(0,QPoint(0,0),_content.visible());
+	delete d;
+	d = 0;
+}
+
+/* TODO: change content (reparent old widget away, reparent new widget here) */
+void KArtsWidget::setContent(Arts::Widget content)
+{
+	arts_return_if_fail(!content.isNull());
+	QWidget *contentAsWidget
+		= KWidgetRepo::the()->lookupQWidget(content.widgetID());
+	arts_return_if_fail(contentAsWidget != 0);
+
+	_content = content;
+	contentAsWidget->reparent(this,QPoint(0,0),content.visible());
+	d->layout->addWidget(contentAsWidget);
+}
+
+Arts::Widget KArtsWidget::content()
+{
+	return _content;
+}
diff --git a/arts/gui/kde/kartswidget.h b/arts/gui/kde/kartswidget.h
new file mode 100644
index 00000000..049e4657
--- /dev/null
+++ b/arts/gui/kde/kartswidget.h
@@ -0,0 +1,92 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.de
+                  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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KARTSWIDGET_H
+#define ARTS_GUI_KARTSWIDGET_H
+
+#include <qwidget.h>
+#include "artsgui.h"
+#include <kdelibs_export.h>
+class KArtsWidgetPrivate;
+
+/**
+ * KArtsWidget provides a simple way to treat Arts::Widget classes like
+ * native Qt widgets. Suppose you use Qt, and want to put an Arts::Widget
+ * type into a layout, you can do so using this code
+ *
+ * <pre>
+ *    Arts::Widget widget = ...get widget from somewhere...;
+ *    KArtsWidget *w = new KArtsWidget(widget, this);
+ *    layout->addWidget(w);
+ * </pre>
+ *
+ * In line 2 of the code, the "this" is the parent widget (which is usually
+ * this in Qt code).
+ *
+ * The KArtsWidget class keeps a reference to the content widget, so the
+ * content widget will not be freed until the KArtsWidget gets destroyed.
+ */
+class KDE_EXPORT KArtsWidget : public QWidget {
+private:
+	KArtsWidgetPrivate *d;
+
+protected:
+	Arts::Widget _content;
+
+public:
+	/**
+	 * creates a new KArtsWidget
+	 */
+	KArtsWidget( QWidget* parent, const char* name );
+
+	/**
+	 * creates a new KArtsWidget and sets the content to an Arts::Widget
+	 */
+	KArtsWidget( Arts::Widget content, QWidget* parent, const char* name );
+	
+	/**
+	 * creates a new KArtsWidget with WidgetFlags and content
+	 *
+	 * BCI: should replace the above in the next major release. ( akrille )
+	 */
+	KArtsWidget( Arts::Widget, QWidget* =0, const char* =0, WFlags =0 );
+	// same without the content
+	KArtsWidget( QWidget* =0, const char* =0, WFlags =0 );
+
+	/**
+	 * destructor
+	 */
+	~KArtsWidget();
+
+	/**
+	 * sets the content to a new Arts::Widget
+	 */
+	void setContent(Arts::Widget content);
+
+	/**
+	 * gets the content widget
+	 */
+	Arts::Widget content();
+};
+
+#endif /* ARTS_GUI_KARTSWIDGET_H*/
diff --git a/arts/gui/kde/kbutton_impl.cpp b/arts/gui/kde/kbutton_impl.cpp
new file mode 100644
index 00000000..eca30fcd
--- /dev/null
+++ b/arts/gui/kde/kbutton_impl.cpp
@@ -0,0 +1,135 @@
+    /*
+
+    Copyright (C) 2000       Stefan Westerfeld
+                             stefan@space.twc.de
+                  2001, 2002 Matthias Kretz
+                             kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kbutton_impl.h"
+#include "kbutton_impl.moc"
+
+using namespace Arts;
+using namespace std;
+
+KButtonMapper::KButtonMapper( KButton_impl *_impl, QPushButton *but )
+	: QObject( but, "KButtonMapper" )
+	, impl( _impl )
+	, button( but )
+{
+	connect( but, SIGNAL( pressed() ), this, SLOT( pressed() ) );
+	connect( but, SIGNAL( released() ), this, SLOT( released() ) );
+	connect( but, SIGNAL( toggled( bool ) ), this, SLOT( toggled( bool ) ) );
+	connect( but, SIGNAL( clicked() ), this, SLOT( clicked() ) );
+}
+
+void KButtonMapper::pressed()
+{
+	if( ! button->isToggleButton() )
+		impl->changeState(true);
+}
+
+void KButtonMapper::released()
+{
+	if( ! button->isToggleButton() )
+		impl->changeState(false);
+}
+
+void KButtonMapper::toggled( bool b )
+{
+	if( button->isToggleButton() )
+		impl->changeState( b );
+}
+
+void KButtonMapper::clicked()
+{
+	impl->emitClicked();
+}
+
+KButton_impl::KButton_impl( QPushButton * widget )
+	: KWidget_impl( widget ? widget : new QPushButton( 0 ) )
+	, _clicked( false )
+{
+	_qpushbutton = static_cast<QPushButton*>( _qwidget );
+	( void )new KButtonMapper( this, _qpushbutton );
+}
+
+void KButton_impl::constructor( Widget p )
+{
+	parent( p );
+}
+
+void KButton_impl::constructor( const string & t, Widget p )
+{
+	parent( p );
+	text( t );
+}
+
+void KButton_impl::emitClicked()
+{
+	_clicked = true;
+	clicked_changed( true );
+}
+
+string KButton_impl::text()
+{
+	return _qpushbutton->text().utf8().data();
+}
+
+void KButton_impl::text(const string& newText)
+{
+	_qpushbutton->setText(QString::fromUtf8(newText.c_str()));
+}
+
+bool KButton_impl::toggle()
+{
+	return _qpushbutton->isToggleButton();
+}
+
+void KButton_impl::toggle(bool newToggle)
+{
+	_qpushbutton->setToggleButton(newToggle);
+}
+
+bool KButton_impl::pressed()
+{
+	if( _qpushbutton->isToggleButton() )
+		return _qpushbutton->isOn();
+	else
+		return _qpushbutton->isDown();
+}
+
+bool KButton_impl::clicked()
+{
+	if( _clicked )
+	{
+		_clicked = false;
+		return true;
+	}
+	return false;
+}
+
+void KButton_impl::changeState(bool newState)
+{
+	pressed_changed(newState);
+}
+
+REGISTER_IMPLEMENTATION(KButton_impl);
+
+// vim:sw=4:ts=4
diff --git a/arts/gui/kde/kbutton_impl.h b/arts/gui/kde/kbutton_impl.h
new file mode 100644
index 00000000..2c3c7163
--- /dev/null
+++ b/arts/gui/kde/kbutton_impl.h
@@ -0,0 +1,76 @@
+    /*
+
+    Copyright (C) 2000       Stefan Westerfeld
+                             stefan@space.twc.de
+                  2001, 2002 Matthias Kretz
+                             kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KBUTTON_IMPL_H
+#define ARTS_GUI_KBUTTON_IMPL_H
+#include "kwidget_impl.h"
+#include <qpushbutton.h>
+
+
+namespace Arts {
+class KButton_impl;
+class KButtonMapper : public QObject {
+	Q_OBJECT
+	KButton_impl *impl;
+	QPushButton * button;
+public:
+	KButtonMapper(KButton_impl *impl, QPushButton *but);
+protected slots:
+	void pressed();
+	void released();
+	void toggled( bool );
+	void clicked();
+};
+
+class KButton_impl : virtual public Arts::Button_skel,
+                     public Arts::KWidget_impl
+{
+private:
+	bool _clicked;
+
+protected:
+	QPushButton * _qpushbutton;
+
+public:
+	KButton_impl( QPushButton * w = 0 );
+	void constructor( Widget parent );
+	void constructor( const std::string &, Widget );
+
+	void emitClicked();
+
+	std::string text();
+	void text(const std::string& newCaption);
+
+	bool toggle();
+	void toggle(bool);
+
+	bool pressed();
+	bool clicked();
+	void changeState(bool);
+};
+
+}
+#endif //ARTS_GUI_KBUTTON_IMPL_H
+
+// vim:sw=4:ts=4
diff --git a/arts/gui/kde/kcombobox_impl.cpp b/arts/gui/kde/kcombobox_impl.cpp
new file mode 100644
index 00000000..dfa4e637
--- /dev/null
+++ b/arts/gui/kde/kcombobox_impl.cpp
@@ -0,0 +1,105 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2001, 2002 Matthias Kretz
+                             kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kcombobox_impl.h"
+#include "kcombobox_impl.moc"
+#include "anyref.h"
+#include "stdio.h"
+
+using namespace Arts;
+using namespace std;
+
+ComboBoxIntMapper::ComboBoxIntMapper(KComboBox_impl *impl, KComboBox *co)
+	: QObject( co, "map Qt signal to aRts" )
+	,impl(impl)
+{
+	connect(co, SIGNAL(activated(const QString &)), this, SLOT(activated(const QString &)));
+}
+
+void ComboBoxIntMapper::activated(const QString & newValue)
+{
+	impl->value(string(newValue.utf8().data()));
+}
+
+KComboBox_impl::KComboBox_impl( KComboBox * widget )
+	: KWidget_impl( widget ? widget : new KComboBox )
+{
+	_kcombobox = static_cast<KComboBox*>( _qwidget );
+	( void )new ComboBoxIntMapper( this, _kcombobox );
+}
+
+string KComboBox_impl::caption()
+{
+	return m_caption.utf8().data();
+}
+
+void KComboBox_impl::caption(const string& newCaption)
+{
+	m_caption = QString::fromUtf8(newCaption.c_str());
+	// FIXME: do something with the caption here
+}
+
+vector<string> * KComboBox_impl::choices()
+{
+	return new vector<string>(m_choices);
+}
+
+void KComboBox_impl::choices(const vector<string> & newChoices)
+{
+	if(newChoices != m_choices)
+	{
+		m_choices = newChoices;
+		_kcombobox->clear();
+		for(vector<string>::const_iterator it = m_choices.begin(); it != m_choices.end(); ++it)
+		{
+			_kcombobox->insertItem(QString::fromUtf8(it->c_str()));
+		}
+		if(visible())
+			choices_changed(newChoices);
+	}
+}
+
+string KComboBox_impl::value()
+{
+	return m_value.utf8().data();
+}
+
+void KComboBox_impl::value(const string & newValue)
+{
+	if(newValue != m_value.utf8().data())
+	{
+		m_value = QString::fromUtf8(newValue.c_str());
+		for(unsigned int i = 0; i < m_choices.size(); ++i)
+		{
+			if(m_choices[i] == newValue)
+				_kcombobox->setCurrentItem(i);
+		}
+		if(visible())
+			value_changed(newValue);
+	}
+}
+
+REGISTER_IMPLEMENTATION(KComboBox_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kcombobox_impl.h b/arts/gui/kde/kcombobox_impl.h
new file mode 100644
index 00000000..83222e3b
--- /dev/null
+++ b/arts/gui/kde/kcombobox_impl.h
@@ -0,0 +1,74 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                 2001, 2002 Matthias Kretz
+                            kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KCOMBOBOX_IMPL_H
+#define ARTS_GUI_KCOMBOBOX_IMPL_H
+#include "kwidget_impl.h"
+#include <kcombobox.h>
+#include <qobject.h>
+#include <qstring.h>
+#include <qstringlist.h>
+
+
+namespace Arts {
+
+class KComboBox_impl;
+class ComboBoxIntMapper :public QObject {
+	Q_OBJECT
+	KComboBox_impl *impl;
+public:
+	ComboBoxIntMapper(KComboBox_impl *impl, KComboBox *co);
+public slots:
+	void activated(const QString &);
+};
+
+class KComboBox_impl : virtual public Arts::ComboBox_skel,
+                       public Arts::KWidget_impl
+{
+protected:
+	KComboBox * _kcombobox;
+	QString m_caption;
+	QString m_value;
+    std::vector<std::string> m_choices;
+
+	void applyValue();
+
+public:
+	KComboBox_impl( KComboBox * w = 0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string caption();
+	void caption(const std::string & newCaption);
+
+	std::vector<std::string> * choices();
+	void choices(const std::vector<std::string> & newChoices);
+
+	std::string value();
+	void value(const std::string & newValue);
+};
+
+}
+#endif /* ARTS_GUI_KCOMBOBOX_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kfader.cpp b/arts/gui/kde/kfader.cpp
new file mode 100644
index 00000000..2978dd0c
--- /dev/null
+++ b/arts/gui/kde/kfader.cpp
@@ -0,0 +1,31 @@
+#include "kfader.h"
+#include "kfader.moc"
+
+void KFader::init()
+{
+}
+
+KFader::KFader( QWidget * parent, const char * name )
+	: QSlider( Qt::Vertical, parent, name )
+{
+	init();
+}
+
+KFader::KFader( int minValue, int maxValue, int pageStep, int value, QWidget * parent, const char * name )
+	: QSlider( minValue, maxValue, pageStep, value, Qt::Vertical, parent, name )
+{
+	init();
+}
+
+KFader::~KFader()
+{
+}
+
+void KFader::setColor( QColor & )
+{
+}
+
+void KFader::setRange( int minValue, int maxValue )
+{
+	QRangeControl::setRange( minValue, maxValue );
+}
diff --git a/arts/gui/kde/kfader.h b/arts/gui/kde/kfader.h
new file mode 100644
index 00000000..fcf53f21
--- /dev/null
+++ b/arts/gui/kde/kfader.h
@@ -0,0 +1,46 @@
+    /*
+
+    Copyright (C) 2001 Matthias Kretz
+                       kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef _KFADER_H
+#define _KFADER_H
+
+#include <qslider.h>
+
+class KFader : public QSlider
+{
+	Q_OBJECT
+	protected:
+		void init();
+	public:
+		KFader( QWidget * parent = 0, const char * name = 0 );
+		KFader( int minValue, int maxValue, int pageStep, int value, QWidget * parent = 0, const char * name = 0 );
+
+		virtual ~KFader();
+
+		void setColor( QColor & );
+
+		virtual void setRange( int, int );
+};
+
+#endif /* KFADER_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kfader_impl.cpp b/arts/gui/kde/kfader_impl.cpp
new file mode 100644
index 00000000..3304f3d3
--- /dev/null
+++ b/arts/gui/kde/kfader_impl.cpp
@@ -0,0 +1,206 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2001, 2002 Matthias Kretz
+                             kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kfader_impl.h"
+#include "kfader_impl.moc"
+#include "anyref.h"
+#include "stdio.h"
+
+#include <math.h>
+
+using namespace Arts;
+using namespace std;
+
+FaderIntMapper::FaderIntMapper(KFader_impl *impl, KFader *kp) :impl(impl)
+{
+	connect(kp, SIGNAL(valueChanged(int)), this, SLOT(valueChanged(int)));
+}
+
+void FaderIntMapper::valueChanged(int pos)
+{
+	impl->valueChanged(pos);
+}
+
+KFader_impl::KFader_impl( KFader * widget )
+	: KWidget_impl( widget ? widget : new KFader( 0, 100, 1, 0 ) )
+{
+	_min = 0; _max = 1; _value = 0;
+	_factor = 1;
+	_logarithmic = 0;
+	_range = 100;
+
+	_kfader = static_cast<KFader*>( _qwidget );
+	_kfader->setMinimumWidth( 40 );
+	_kfader->setMinimumHeight( 100 );
+	new FaderIntMapper( this, _kfader );
+}
+
+string KFader_impl::caption()
+{
+	return _caption.utf8().data();
+}
+
+void KFader_impl::caption(const string& newText)
+{
+	_caption = QString::fromUtf8(newText.c_str());
+	_kfader->setName(_caption.utf8().data());
+}
+
+string KFader_impl::color()
+{
+	return _color;
+}
+
+void KFader_impl::color(const string& newColor)
+{
+	_color = newColor;
+    if(strlen(_color.c_str()))
+    {
+        QColor qc(_color.c_str());
+        _kfader->setColor(qc);
+    }
+}
+
+float KFader_impl::min()
+{
+	return _min;
+}
+
+void KFader_impl::min(float newMin)
+{
+	if(_min != newMin)
+	{
+		_min = newMin;
+		applyValue();
+	}
+}
+
+float KFader_impl::max()
+{
+	return _max;
+}
+
+void KFader_impl::max(float newMax)
+{
+	if(_max != newMax)
+	{
+		_max = newMax;
+		applyValue();
+	}
+}
+
+float KFader_impl::value()
+{
+	//float ret = ( _max + _min - float(_kfader->value()) ) / _factor;
+	//if(_logarithmic > 0)
+		//ret = convertFromLog(ret);
+	float ret = _value;
+	if(ret < _min)
+		ret = _min;
+	else if(ret > _max)
+		ret = _max;
+	return ret;
+}
+
+void KFader_impl::value(float newValue)
+{
+	if(newValue != _value)
+	{
+		_value = newValue;
+		applyValue();
+		if(visible())
+			value_changed(value());
+	}
+}
+
+long KFader_impl::range()
+{
+	return _range;
+}
+
+void KFader_impl::range(long newRange)
+{
+	if(_range != newRange)
+	{
+		_range = newRange;
+		applyValue();
+	}
+}
+
+void KFader_impl::valueChanged(int newvalue)
+{
+	_value = float(newvalue) / _factor;
+	if(_logarithmic > 0)
+		_value = convertFromLog(_value);
+	_value = _max + _min - _value;
+	if(visible())
+		value_changed(value());
+}
+
+float KFader_impl::convertToLog(float val)
+{
+	return log(val) / log(_logarithmic);
+}
+
+float KFader_impl::convertFromLog(float val)
+{
+	return pow(_logarithmic, val);
+}
+
+void KFader_impl::applyValue()
+{
+	double dmin = _min;
+	double dmax = _max;
+	double dvalue = _value;
+	if(_logarithmic > 0)
+	{
+		dmin = convertToLog(_min);
+		dmax = convertToLog(_max);
+		dvalue = convertToLog(_value);
+	}
+	_factor = _range / (dmax - dmin);
+	int imin = int(_factor * dmin);
+	int imax = int(_factor * dmax);
+	int ivalue = int(_factor * (dmax + dmin - dvalue));
+	_kfader->setRange(imin, imax);
+	_kfader->setValue(ivalue);
+}
+
+void KFader_impl::logarithmic(float newLogarithmic)
+{
+	if(_logarithmic != newLogarithmic)
+	{
+		_logarithmic = newLogarithmic;
+		applyValue();
+	}
+}
+
+float KFader_impl::logarithmic()
+{
+	return _logarithmic;
+}
+
+REGISTER_IMPLEMENTATION(KFader_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kfader_impl.h b/arts/gui/kde/kfader_impl.h
new file mode 100644
index 00000000..55419cff
--- /dev/null
+++ b/arts/gui/kde/kfader_impl.h
@@ -0,0 +1,92 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2001, 2002 Matthias Kretz
+                             kretz@kde.org
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KFADER_IMPL_H
+#define ARTS_GUI_KFADER_IMPL_H
+#include "kwidget_impl.h"
+#include "kfader.h"
+
+#include <qobject.h>
+#include <qstring.h>
+
+
+namespace Arts {
+
+class KFader_impl;
+
+class FaderIntMapper :public QObject {
+	Q_OBJECT
+	KFader_impl *impl;
+public:
+	FaderIntMapper(KFader_impl *impl, KFader *kp);
+public slots:
+	void valueChanged(int x);
+};
+
+class KFader_impl : virtual public Arts::Fader_skel,
+                    public Arts::KWidget_impl
+{
+protected:
+	KFader * _kfader;
+	QString _caption;
+	std::string _color;
+	float _min, _max, _value;
+	float _factor;
+	float _logarithmic;
+	long _range;
+
+	float convertToLog(float);
+	float convertFromLog(float);
+	void applyValue();
+
+public:
+	KFader_impl( KFader * w = 0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string caption();
+	void caption(const std::string& newText);
+	std::string color();
+	void color(const std::string& newColor);
+
+	float logarithmic();
+	void logarithmic(float);
+
+	float min();
+	void min(float newMin);
+	float max();
+	void max(float newMax);
+	float value();
+	void value(float newValue);
+
+	long range();
+	void range(long newRange);
+
+	/* from qt */
+	void valueChanged(int newValue);
+};
+
+}
+#endif /* ARTS_GUI_KFADER_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kframe_impl.cpp b/arts/gui/kde/kframe_impl.cpp
new file mode 100644
index 00000000..a2fc6d8c
--- /dev/null
+++ b/arts/gui/kde/kframe_impl.cpp
@@ -0,0 +1,98 @@
+/*
+    Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2 as published by the Free Software Foundation.
+
+    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.
+
+*/
+// $Id$
+
+#include "kframe_impl.h"
+#include <qframe.h>
+#include <debug.h>
+#include <stdio.h>
+
+using namespace Arts;
+using namespace std;
+
+KFrame_impl::KFrame_impl( QFrame * widget )
+	: KWidget_impl( widget ? widget : new QFrame )
+{
+	_qframe = static_cast<QFrame*>( _qwidget );
+	assert( _qframe );
+}
+
+long KFrame_impl::margin()
+{
+	return _qframe->margin();
+}
+
+void KFrame_impl::margin( long m )
+{
+	_qframe->setMargin( m );
+}
+
+long KFrame_impl::linewidth()
+{
+	return _qframe->lineWidth();
+}
+
+void KFrame_impl::linewidth( long lw )
+{
+	_qframe->setLineWidth( lw );
+}
+
+long KFrame_impl::midlinewidth()
+{
+	return _qframe->midLineWidth();
+}
+
+void KFrame_impl::midlinewidth( long mlw )
+{
+	_qframe->setMidLineWidth( mlw );
+}
+
+long KFrame_impl::framestyle()
+{
+	return _qframe->frameStyle();
+}
+
+void KFrame_impl::framestyle( long fs )
+{
+	_qframe->setFrameStyle( fs );
+}
+
+Shape KFrame_impl::frameshape()
+{
+	return ( Shape )_qframe->frameShape();
+}
+
+void KFrame_impl::frameshape( Shape fs )
+{
+	_qframe->setFrameShape( ( QFrame::Shape )fs );
+}
+
+Shadow KFrame_impl::frameshadow()
+{
+	return ( Shadow )_qframe->frameShadow();
+}
+
+void KFrame_impl::frameshadow( Shadow fs )
+{
+	_qframe->setFrameShadow( ( QFrame::Shadow )fs );
+}
+
+REGISTER_IMPLEMENTATION(KFrame_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kframe_impl.h b/arts/gui/kde/kframe_impl.h
new file mode 100644
index 00000000..3b4bcb69
--- /dev/null
+++ b/arts/gui/kde/kframe_impl.h
@@ -0,0 +1,55 @@
+/*
+    Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2 as published by the Free Software Foundation.
+
+    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.
+
+*/
+// $Id$
+
+#ifndef KFRAME_IMPL
+#define KFRAME_IMPL
+#include "kwidget_impl.h"
+#include <kdelibs_export.h>
+class QFrame;
+
+namespace Arts {
+
+class KDE_EXPORT KFrame_impl : virtual public Arts::Frame_skel,
+                    public Arts::KWidget_impl
+{
+	protected:
+		QFrame * _qframe;
+
+	public:
+		KFrame_impl( QFrame * widget = 0 );
+		inline void constructor( Widget p ) { parent( p ); }
+
+		long margin();
+		void margin( long m );
+		long linewidth();
+		void linewidth( long lw );
+		long midlinewidth();
+		void midlinewidth( long mlw );
+		long framestyle();
+		void framestyle( long fs );
+		Shape frameshape();
+		void frameshape( Shape fs );
+		Shadow frameshadow();
+		void frameshadow( Shadow fs );
+}; //class
+} //namespace
+
+// vim: sw=4 ts=4
+#endif
diff --git a/arts/gui/kde/kgraph.cpp b/arts/gui/kde/kgraph.cpp
new file mode 100644
index 00000000..e7797692
--- /dev/null
+++ b/arts/gui/kde/kgraph.cpp
@@ -0,0 +1,266 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kgraph.h"
+#include "kgraph.moc"
+#include "kgraphline_impl.h"
+#include "qpainter.h"
+
+#include <cstdlib>
+#include <math.h>
+
+using namespace Arts;
+using namespace std;
+
+KGraph::KGraph( QWidget * parent, const char * name )
+	: QWidget( parent, name )
+{
+	setBackgroundColor(white);
+
+	selectedIndex = -1;
+	minx = miny = 0.0;
+	maxx = maxy = 1.0;
+}
+
+KGraph::~KGraph()
+{
+}
+
+void KGraph::addLine(Arts::KGraphLine_impl *line)
+{
+	lines.push_back(line);
+}
+
+void KGraph::redrawLine(Arts::KGraphLine_impl * /*line*/)
+{
+	repaint();
+}
+
+void KGraph::removeLine(Arts::KGraphLine_impl *line)
+{
+	if(line == selectedLine)
+	{
+		selectedLine = 0;
+		selectedIndex = -1;
+	}
+	lines.remove(line);
+}
+
+inline QPoint KGraph::g2qPoint(const GraphPoint &gp)
+{
+	return QPoint(int(((gp.x - minx)/(maxx-minx)) * (width()-1)),
+	              int((1.0 - (gp.y - miny)/(maxy-miny)) * (height()-1)));
+}
+
+inline GraphPoint KGraph::q2gPoint(const QPoint &qp)
+{
+	return GraphPoint((float(qp.x())/float(width()-1)) * (maxx-minx) + minx,
+					  (1.0 - (float(qp.y())/float(height()-1))) * (maxy-miny) + miny);
+}
+
+void KGraph::paintEvent( QPaintEvent *e )
+{
+	QPainter painter(this);
+	painter.setClipRect(e->rect());
+
+	std::list<KGraphLine_impl *>::iterator li;
+	for(li = lines.begin(); li != lines.end(); li++)
+	{
+		KGraphLine_impl *gline = *li;
+
+		vector<GraphPoint>::iterator pi;
+		QPoint lastp;
+		bool first = true;
+
+		painter.setPen(gline->_color.c_str());
+
+		for(pi = gline->_points.begin(); pi != gline->_points.end(); pi++)
+		{
+			QPoint p = g2qPoint(*pi);
+
+			if(!first)
+				painter.drawLine(lastp,p);
+
+			if(gline->_editable)
+				painter.drawEllipse(p.x()-3,p.y()-3,7,7);
+
+			lastp = p;
+			first = false;
+		}
+	}
+}
+
+void KGraph::mousePressEvent(QMouseEvent *e)
+{
+	if(e->button() == LeftButton || e->button() == RightButton)
+	{
+		std::list<KGraphLine_impl *>::iterator li;
+		for(li = lines.begin(); li != lines.end(); li++)
+		{
+			KGraphLine_impl *gline = *li;
+
+			vector<GraphPoint>::iterator pi;
+			int index = 0;
+			for(pi = gline->_points.begin(); pi != gline->_points.end(); pi++, index++)
+			{
+				QPoint p = g2qPoint(*pi);
+
+				int dx = e->x() - p.x();
+				int dy = e->y() - p.y();
+
+				if(::sqrt(double(dx*dx + dy*dy)) < 5.0)
+				{
+					selectedIndex = index;
+					selectedLine = gline;
+					selectedPoint = *pi;
+				}
+			}
+		}
+	}
+
+	if(selectedIndex >= 0)
+	{
+		// erase point
+		if(e->button() == RightButton)
+		{
+			if(selectedIndex != 0 && selectedIndex != (( int )( selectedLine->_points.size() )-1))
+			{
+				vector<GraphPoint> points;
+	
+				for(int i=0;i<( int )selectedLine->_points.size();i++)
+				{
+					if(selectedIndex != i)
+						points.push_back(selectedLine->_points[i]);
+				}
+	
+				selectedLine->points(points);
+			}
+	
+			selectedLine = 0;
+			selectedIndex = -1;
+		}
+	}
+	else if(e->button() == LeftButton)
+	{
+		// try to insert a point
+		std::list<KGraphLine_impl *>::iterator li;
+		for(li = lines.begin(); li != lines.end(); li++)
+		{
+			KGraphLine_impl *gline = *li;
+
+			QPoint lastp;
+			bool first = true;
+
+			vector<GraphPoint>::iterator pi;
+			int index = 0;
+			for(pi = gline->_points.begin(); pi != gline->_points.end(); pi++, index++)
+			{
+				QPoint p = g2qPoint(*pi);
+
+				if(!first && (e->x() > lastp.x()+2) && (e->x() < p.x()-2))
+				{
+					float pos = float(e->x()-lastp.x())/float(p.x()-lastp.x());
+					int y = (int)((1.0-pos) * lastp.y() + pos * p.y());
+
+					if(abs(y-e->y()) < 5)
+					{
+						GraphPoint gp = q2gPoint(QPoint(e->x(),y));
+						vector<GraphPoint> newPoints;
+
+						for(int i=0;i<( int )gline->_points.size();i++)
+						{
+							if(index == i)
+								newPoints.push_back(gp);
+							newPoints.push_back(gline->_points[i]);
+						}
+						gline->points(newPoints);
+
+						selectedLine = gline;
+						selectedIndex = index;
+						selectedPoint = gp;
+
+						return;
+					}
+				}
+				lastp = p;
+				first = false;
+			}
+		}
+	}
+}
+
+void KGraph::mouseMoveEvent(QMouseEvent *e)
+{
+	QPoint pos = e->pos();
+
+	if(pos.x() < 0) pos.setX(0);
+	if(pos.y() < 0) pos.setY(0);
+	if(pos.x() >= width()) pos.setX(width()-1);
+	if(pos.y() >= height()) pos.setY(height()-1);
+
+	if(selectedIndex >= 0)
+	{
+		vector<GraphPoint> points(selectedLine->_points);
+
+
+		if((( int )points.size() <= selectedIndex)
+		|| (fabs(selectedPoint.x-points[selectedIndex].x) > 0.000001)
+		|| (fabs(selectedPoint.y-points[selectedIndex].y) > 0.000001))
+		{
+			selectedLine = 0;
+			selectedIndex = -1;
+			return; // line was modified from somewhere else, meanwhile
+		}
+
+		// I am not sure whether we always want to constrain it that way
+		GraphPoint gp = q2gPoint(pos);
+		selectedPoint.y = gp.y;
+
+		if(selectedIndex != 0 && selectedIndex != (( int )( points.size() )-1))
+		{
+			float pixelsize = (maxx-minx)/float(width()-1);
+
+			if(selectedIndex > 0 && points[selectedIndex-1].x > gp.x)
+			{
+				selectedPoint.x = points[selectedIndex-1].x+pixelsize;
+			}
+			else if(selectedIndex < (( int )( points.size() )-1) && points[selectedIndex+1].x < gp.x)
+			{
+				selectedPoint.x = points[selectedIndex+1].x-pixelsize;
+			}
+			else
+			{
+				selectedPoint.x = gp.x;
+			}
+		}
+		points[selectedIndex] = selectedPoint;
+		selectedLine->points(points);
+	}
+}
+
+void KGraph::mouseReleaseEvent(QMouseEvent *)
+{
+	selectedIndex = -1;
+	selectedLine = 0;
+}
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kgraph.h b/arts/gui/kde/kgraph.h
new file mode 100644
index 00000000..51e64d70
--- /dev/null
+++ b/arts/gui/kde/kgraph.h
@@ -0,0 +1,64 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef _KGRAPH_H
+#define _KGRAPH_H
+
+#include <qwidget.h>
+#include <qpoint.h>
+#include "artsgui.h"
+#include <list>
+
+namespace Arts {
+
+class KGraphLine_impl;
+class KGraph : public QWidget
+{
+Q_OBJECT
+
+protected:
+	std::list<KGraphLine_impl *> lines;
+	float minx, maxx, miny, maxy;
+
+	KGraphLine_impl *selectedLine;
+	GraphPoint selectedPoint;
+	int selectedIndex;	// -1 if nothing is selected
+
+	inline GraphPoint q2gPoint(const QPoint &qp);
+	inline QPoint g2qPoint(const GraphPoint &gp);
+public:
+	KGraph( QWidget * parent = 0, const char * name = 0 );
+	virtual ~KGraph();
+
+	void addLine(Arts::KGraphLine_impl *line);
+	void redrawLine(Arts::KGraphLine_impl *line);
+	void removeLine(Arts::KGraphLine_impl *line);
+
+	void mousePressEvent(QMouseEvent *me);
+	void mouseMoveEvent(QMouseEvent *me);
+	void mouseReleaseEvent(QMouseEvent *me);
+
+	void paintEvent(QPaintEvent *e);
+};
+}
+
+#endif /* KGRAPH_H */
diff --git a/arts/gui/kde/kgraph_impl.cpp b/arts/gui/kde/kgraph_impl.cpp
new file mode 100644
index 00000000..f629e680
--- /dev/null
+++ b/arts/gui/kde/kgraph_impl.cpp
@@ -0,0 +1,92 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kgraph_impl.h"
+#include "anyref.h"
+#include "stdio.h"
+
+using namespace Arts;
+using namespace std;
+
+KGraph_impl::KGraph_impl( KGraph * widget )
+	: KWidget_impl( widget ? widget : new KGraph )
+{
+	_minx = 0.0; _maxx = 1.0; _miny = 0.0; _maxy = 1.0;
+	_kgraph = static_cast<KGraph*>( _qwidget );
+	_kgraph->setFixedSize( 300, 200 );
+}
+
+string KGraph_impl::caption()
+{
+	return _caption.utf8().data();
+}
+
+void KGraph_impl::caption(const string& newCaption)
+{
+	_caption = QString::fromUtf8(newCaption.c_str());
+	// FIXME: do something with the caption here
+}
+
+float KGraph_impl::minx()
+{
+	return _minx;
+}
+
+void KGraph_impl::minx(float newMin)
+{
+	_minx = newMin;
+}
+
+float KGraph_impl::maxx()
+{
+	return _maxx;
+}
+
+void KGraph_impl::maxx(float newMax)
+{
+	_maxx = newMax;
+}
+
+float KGraph_impl::miny()
+{
+	return _miny;
+}
+
+void KGraph_impl::miny(float newMin)
+{
+	_miny = newMin;
+}
+
+float KGraph_impl::maxy()
+{
+	return _maxy;
+}
+
+void KGraph_impl::maxy(float newMax)
+{
+	_maxy = newMax;
+}
+
+namespace Arts { REGISTER_IMPLEMENTATION(KGraph_impl); }
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kgraph_impl.h b/arts/gui/kde/kgraph_impl.h
new file mode 100644
index 00000000..b576d65a
--- /dev/null
+++ b/arts/gui/kde/kgraph_impl.h
@@ -0,0 +1,65 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KGRAPH_IMPL_H
+#define ARTS_GUI_KGRAPH_IMPL_H
+#include "kwidget_impl.h"
+#include "kgraph.h"
+
+#include <qobject.h>
+#include <qstring.h>
+
+
+namespace Arts {
+
+class KGraph_impl;
+
+class KGraph_impl : virtual public Arts::Graph_skel,
+                    public Arts::KWidget_impl
+{
+protected:
+	QString _caption;
+	float _minx, _miny, _maxx, _maxy;
+
+	KGraph * _kgraph;
+
+public:
+	KGraph_impl( KGraph * w = 0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string caption();
+	void caption(const std::string& newCaption);
+
+	float minx();
+	void minx(float newMin);
+	float maxx();
+	void maxx(float newMax);
+	float miny();
+	void miny(float newMin);
+	float maxy();
+	void maxy(float newMax);
+};
+
+}
+#endif /* ARTS_GUI_KGRAPH_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kgraphline_impl.cpp b/arts/gui/kde/kgraphline_impl.cpp
new file mode 100644
index 00000000..5a48c000
--- /dev/null
+++ b/arts/gui/kde/kgraphline_impl.cpp
@@ -0,0 +1,124 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kgraphline_impl.h"
+#include "kwidgetrepo.h"
+#include "kgraph.h"
+
+using namespace Arts;
+using namespace std;
+
+KGraphLine_impl::KGraphLine_impl()
+{
+	_graphID = -1;
+}
+
+KGraphLine_impl::~KGraphLine_impl()
+{
+	KGraph *kgraph = getKGraph();
+	if(kgraph)
+		kgraph->removeLine(this);
+}
+
+Graph KGraphLine_impl::graph()
+{
+	return Arts::DynamicCast(KWidgetRepo::the()->lookupWidget(_graphID));
+}
+
+void KGraphLine_impl::graph(Graph newGraph)
+{
+	KGraph *kgraph = getKGraph();
+	if(kgraph)
+		kgraph->removeLine(this);
+
+	_graphID = newGraph.widgetID();
+
+	kgraph = getKGraph();
+	if(kgraph)
+		kgraph->addLine(this);
+}
+
+bool KGraphLine_impl::editable()
+{
+	return _editable;
+}
+
+void KGraphLine_impl::editable(bool newEditable)
+{
+	_editable = newEditable;
+
+	KGraph *kgraph = getKGraph();
+	if(kgraph)
+		kgraph->redrawLine(this);
+}
+
+string KGraphLine_impl::color()
+{
+	return _color;
+}
+
+void KGraphLine_impl::color(const std::string& newColor)
+{
+	_color = newColor;
+
+	KGraph *kgraph = getKGraph();
+	if(kgraph)
+		kgraph->redrawLine(this);
+}
+
+vector<GraphPoint> *KGraphLine_impl::points()
+{
+	return new vector<GraphPoint>(_points);
+}
+
+void KGraphLine_impl::points(const vector<GraphPoint>& newPoints)
+{
+	_points = newPoints;
+
+	KGraph *kgraph = getKGraph();
+	if(kgraph)
+		kgraph->redrawLine(this);
+
+	// emitting a change notification is a bit tricky because no real
+	// Arts::AnyRef support is there for sequence<Arts::GraphPoint>
+	Arts::Any any;
+	Arts::Buffer buffer;
+
+	any.type = "*Arts::GraphPoint";
+	writeTypeSeq(buffer,_points);
+	buffer.read(any.value,buffer.size());
+
+	_emit_changed("points_changed",any);
+}
+
+KGraph *KGraphLine_impl::getKGraph()
+{
+	QWidget *widget = KWidgetRepo::the()->lookupQWidget(_graphID);
+	if(!widget)
+		return 0;
+
+	return dynamic_cast<KGraph *>(widget);
+}
+
+namespace Arts {
+	REGISTER_IMPLEMENTATION(KGraphLine_impl);
+}
diff --git a/arts/gui/kde/kgraphline_impl.h b/arts/gui/kde/kgraphline_impl.h
new file mode 100644
index 00000000..546cff90
--- /dev/null
+++ b/arts/gui/kde/kgraphline_impl.h
@@ -0,0 +1,61 @@
+    /*
+
+    Copyright (C) 2001 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef _KGRAPHLINE_IMPL_H
+#define _KGRAPHLINE_IMPL_H
+
+#include "artsgui.h"
+
+namespace Arts {
+
+class KGraph;
+class KGraphLine_impl : virtual public GraphLine_skel {
+protected:
+	friend class KGraph; // for efficiency
+
+	long _graphID;
+	bool _editable;
+	std::string _color;
+	std::vector<GraphPoint> _points;
+
+	KGraph *getKGraph();
+
+public:
+	KGraphLine_impl();
+	~KGraphLine_impl();
+
+	Graph graph();
+	void graph(Graph newGraph);
+
+	bool editable();
+	void editable(bool newEditable);
+
+	std::string color();
+	void color(const std::string& newColor);
+
+	std::vector<GraphPoint> *points();
+	void points(const std::vector<GraphPoint>& newPoints);
+};
+
+}
+
+#endif /* _KGRAPHLINE_IMPL_H */
diff --git a/arts/gui/kde/khbox_impl.cpp b/arts/gui/kde/khbox_impl.cpp
new file mode 100644
index 00000000..90ed9a3b
--- /dev/null
+++ b/arts/gui/kde/khbox_impl.cpp
@@ -0,0 +1,51 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                       2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "khbox_impl.h"
+#include <qhbox.h>
+
+using namespace Arts;
+
+KHBox_impl::KHBox_impl( QHBox * widget )
+	: KFrame_impl( widget ? widget : new QHBox )
+	, _spacing( 5 )
+{
+	_qhbox = static_cast<QHBox*>( _qwidget );
+	_qhbox->setSpacing( _spacing );
+	_qhbox->setMargin( 5 );
+}
+
+long KHBox_impl::spacing()
+{
+	return _spacing;
+}
+
+void KHBox_impl::spacing( long s )
+{
+	_spacing = s;
+	_qhbox->setSpacing( s );
+}
+
+REGISTER_IMPLEMENTATION(KHBox_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/khbox_impl.h b/arts/gui/kde/khbox_impl.h
new file mode 100644
index 00000000..70bade71
--- /dev/null
+++ b/arts/gui/kde/khbox_impl.h
@@ -0,0 +1,48 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                       2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kframe_impl.h"
+
+class QHBox;
+
+namespace Arts {
+
+class KHBox_impl : virtual public Arts::HBox_skel,
+                   public Arts::KFrame_impl
+{
+private:
+	long _spacing;
+
+protected:
+	QHBox * _qhbox;
+
+public:
+	KHBox_impl( QHBox * w = 0 );
+
+	long spacing();
+	void spacing( long );
+};
+
+}
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klabel_impl.cpp b/arts/gui/kde/klabel_impl.cpp
new file mode 100644
index 00000000..f53de2e7
--- /dev/null
+++ b/arts/gui/kde/klabel_impl.cpp
@@ -0,0 +1,104 @@
+/*
+    Copyright ( C ) 2002 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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 "klabel_impl.h"
+#include "klabel_impl.moc"
+
+#include <kdebug.h>
+#include <qfont.h>
+
+using namespace Arts;
+using namespace std;
+
+KLabel_impl::KLabel_impl( QFrame *widget ) : KFrame_impl( widget ? widget : new RotateLabel( 0 ) ) {
+	_label = static_cast<RotateLabel*>( _qwidget );
+}
+
+string KLabel_impl::text() {
+	return _label->title().utf8().data();
+}
+
+void KLabel_impl::text(  const string& newtext ) {
+	_label->title( QString::fromUtf8( newtext.c_str() ) );
+}
+
+long KLabel_impl::align() { return _label->align(); }
+void KLabel_impl::align( long n ) { _label->align( n ); }
+
+void KLabel_impl::fontsize( long n ) { _label->fontsize( n ); }
+void KLabel_impl::fontfamily( const std::string& n ) { _label->fontfamily( n.c_str() ); }
+
+Arts::TextBottom KLabel_impl::bottom() { return _label->bottom(); }
+void KLabel_impl::bottom( Arts::TextBottom n ) { _label->bottom( n ); }
+
+REGISTER_IMPLEMENTATION( KLabel_impl );
+
+RotateLabel::RotateLabel( QWidget* p, const char* n ) : QFrame( p,n ) {
+	_bottom = Arts::South;
+	_align = Arts::AlignCenter;
+}
+void RotateLabel::paintEvent( QPaintEvent* ) {
+	QPainter p( this );
+	if ( _bottom == Arts::East ) {
+		p.rotate( 270 );
+		p.drawText( QRect( 0,0, -height(), width() ), _align, _title );
+	} else if ( _bottom == Arts::West ) {
+		p.rotate( 90 );
+		p.drawText( QRect( 0,0, height(), -width() ), _align, _title );
+	} else if ( _bottom == Arts::North ) {
+		p.rotate( 180 );
+		p.drawText( QRect( 0,0, -width(), -height() ), _align, _title );
+	} else {
+		p.drawText( QRect( 0,0, width(), height() ), _align, _title );
+	}
+}
+
+void RotateLabel::fontfamily( QString n ) {
+	QFont font = this->font();
+	font.setFamily( n );
+	this->setFont( font );
+}
+void RotateLabel::fontsize( int n ) {
+	QFont font = this->font();
+	font.setPixelSize( n );
+	this->setFont( font );
+}
+
+void RotateLabel::title( QString n ) {
+	_title = n;
+	QSize size = this->fontMetrics().size( SingleLine, _title );
+	if ( _bottom == Arts::East || _bottom == Arts::West )
+		this->setMinimumSize( size.height(), size.width() );
+	else
+		this->setMinimumSize( size );
+}
+
+void RotateLabel::align( long n ) {
+	_align=n;
+	repaint();
+}
+
+void RotateLabel::bottom( Arts::TextBottom bottom ) {
+	_bottom = bottom;
+	title( _title );
+	repaint();
+}
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klabel_impl.h b/arts/gui/kde/klabel_impl.h
new file mode 100644
index 00000000..62b505a3
--- /dev/null
+++ b/arts/gui/kde/klabel_impl.h
@@ -0,0 +1,90 @@
+    /*
+
+    Copyright ( C ) 2002 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_KLABEL_IMPL
+#define ARTS_KLABEL_IMPL
+
+#include <kframe_impl.h>
+#include <qframe.h>
+#include <qpainter.h>
+#include <qfontmetrics.h>
+#include <qfont.h>
+
+#include <artsgui.h>
+#include <kdelibs_export.h>
+
+class RotateLabel;
+
+namespace Arts {
+
+class KDE_EXPORT KLabel_impl : virtual public Arts::Label_skel,
+                    public Arts::KFrame_impl
+{
+protected:
+	RotateLabel* _label;
+public:
+	KLabel_impl( QFrame* w=0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string text();
+	void text( const std::string& newtext );
+
+	long align();
+	void align( long );
+
+	long fontsize() { return -1; }
+	void fontsize( long );
+
+	std::string fontfamily() { return ""; }
+	void fontfamily( const std::string& );
+
+	Arts::TextBottom bottom();
+	void bottom( Arts::TextBottom );
+
+}; // class
+
+} // namespace
+
+class RotateLabel : public QFrame {
+   Q_OBJECT
+public:
+	RotateLabel( QWidget*, const char* =0 );
+	void paintEvent( QPaintEvent* );
+
+	void fontfamily( QString );
+	void fontsize( int );
+	void title( QString );
+	QString title() { return _title; }
+
+	long align() { return _align; }
+	void align( long );
+
+	Arts::TextBottom bottom() { return _bottom; }
+	void bottom( Arts::TextBottom );
+private:
+	long _align;
+	Arts::TextBottom _bottom;
+	QString _title;
+};
+
+#endif
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klayoutbox_impl.cpp b/arts/gui/kde/klayoutbox_impl.cpp
new file mode 100644
index 00000000..e83ea5c7
--- /dev/null
+++ b/arts/gui/kde/klayoutbox_impl.cpp
@@ -0,0 +1,122 @@
+/*
+    Copyright ( C ) 2002, 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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 "klayoutbox_impl.h"
+
+#include <qframe.h>
+#include <qlayout.h>
+#include <kdebug.h>
+#include <qpainter.h>
+#include <qstyle.h>
+#include <qpen.h>
+#include "kwidgetrepo.h"
+
+using namespace Arts;
+using namespace std;
+
+KLayoutBox_impl::KLayoutBox_impl( QFrame *widget ) : KFrame_impl( widget ? widget :new QFrame( 0 ) )
+{
+	_qframe = static_cast<QFrame*>( _qwidget );
+	_layout = new QBoxLayout( _qframe, QBoxLayout::LeftToRight );
+}
+KLayoutBox_impl::~KLayoutBox_impl() {
+}
+
+void KLayoutBox_impl::addWidget( Arts::Widget widget, long stretch, long align ) {
+	widget.parent( self() );
+	this->_addChild( widget, "layoutbox_item" );
+	QWidget * tmp = KWidgetRepo::the()->lookupQWidget( widget.widgetID() );
+	_layout->addWidget( tmp, stretch, align );
+}
+
+void KLayoutBox_impl::insertWidget( long index, Arts::Widget widget, long stretch, long align ) {
+	widget.parent( self() );
+	this->_addChild( widget, "layoutbox_item" );
+	QWidget * tmp = KWidgetRepo::the()->lookupQWidget( widget.widgetID() );
+	_layout->insertWidget( index, tmp, stretch, align );
+}
+
+void KLayoutBox_impl::addStretch( long n ) { _layout->addStretch( n ); }
+void KLayoutBox_impl::addSpace( long n ) { _layout->addSpacing( n ); }
+void KLayoutBox_impl::addStrut( long n ) { _layout->addStrut( n ); }
+void KLayoutBox_impl::addSeparator( long stretch, long align ) {
+	_layout->addWidget( new KLayoutBox_Separator( _qframe ), stretch, align );
+}
+void KLayoutBox_impl::addLine( long width, long space, long stretch, long align ) {
+	_layout->addWidget( new KLayoutBox_Line( width, space, _qframe ), stretch, align );
+}
+
+long KLayoutBox_impl::spacing() { return _layout->spacing(); }
+void KLayoutBox_impl::spacing( long n ) { _layout->setSpacing( n ); }
+
+long KLayoutBox_impl::layoutmargin() { return _layout->margin(); }
+void KLayoutBox_impl::layoutmargin( long n ) { _layout->setMargin( n ); this->margin( n ); }
+
+Direction KLayoutBox_impl::direction() { return Arts::Direction( _layout->direction() ); }
+void KLayoutBox_impl::direction( Direction d ) { _layout->setDirection( QBoxLayout::Direction( d ) ); }
+
+REGISTER_IMPLEMENTATION( KLayoutBox_impl );
+
+KLayoutBox_Separator::KLayoutBox_Separator( QWidget* p, const char* n ) : QWidget( p,n ) {
+//kdDebug() << k_funcinfo << endl;
+}
+
+void KLayoutBox_Separator::resizeEvent( QResizeEvent* ) { kdDebug() << k_funcinfo << size() << endl; }
+
+void KLayoutBox_Separator::paintEvent( QPaintEvent* ) {
+//kdDebug() << k_funcinfo << size() << endl;
+	QPainter p( this );
+	QStyle::SFlags flags = QStyle::Style_Default;
+	if ( width() < height() ) flags |= QStyle::Style_Horizontal;
+	style().drawPrimitive( QStyle::PE_Splitter, &p, rect(), colorGroup(), flags );
+}
+
+QSize KLayoutBox_Separator::minimumSizeHint() const {
+	int wh = style().pixelMetric( QStyle::PM_SplitterWidth, this );
+	return QSize( wh, wh );
+}
+
+KLayoutBox_Line::KLayoutBox_Line( int width, int space, QWidget* p, const char* n )
+  : QWidget( p,n )
+  , _width( width )
+  , _space( space )
+{
+//kdDebug() << k_funcinfo << size() << endl;
+}
+
+
+void KLayoutBox_Line::paintEvent( QPaintEvent* ) {
+//kdDebug() << k_funcinfo << size() << endl;
+	QPainter p( this );
+	p.setPen( QPen( colorGroup().foreground(), _width ) );
+	if ( width() > height() ) p.drawLine( 0, height()/2, width(), height()/2 );
+		else p.drawLine( width()/2, 0, width()/2, height() );
+}
+
+QSize KLayoutBox_Line::minimumSizeHint() const {
+//kdDebug() << k_funcinfo << size() << endl;
+	int wh = _width + 2* _space;
+	return QSize( wh, wh );
+}
+
+#include <klayoutbox_impl.moc>
+
+// vim: sw=4 ts=4
+
diff --git a/arts/gui/kde/klayoutbox_impl.h b/arts/gui/kde/klayoutbox_impl.h
new file mode 100644
index 00000000..fbb88630
--- /dev/null
+++ b/arts/gui/kde/klayoutbox_impl.h
@@ -0,0 +1,103 @@
+    /*
+
+    Copyright ( C ) 2002, 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_KLAYOUTBOX_IMPL_H
+#define ARTS_KLAYOUTBOX_IMPL_H
+
+#include "kframe_impl.h"
+
+#include <artsgui.h>
+#include <kdelibs_export.h>
+
+class KArtsWidget;
+class QBoxLayout;
+
+namespace Arts {
+
+class KDE_EXPORT KLayoutBox_impl : virtual public Arts::LayoutBox_skel,
+                        public Arts::KFrame_impl
+{
+protected:
+	QFrame* _qframe;
+	QBoxLayout* _layout;
+
+	LayoutBox self() { return LayoutBox::_from_base( _copy() ); }
+public:
+	KLayoutBox_impl( QFrame* w=0 );
+	~KLayoutBox_impl();
+
+	Direction direction();
+	void direction( Direction );
+
+	void addWidget( Arts::Widget, long, long );
+	void addWidget( Arts::Widget w, long n ) { addWidget( w,n,0 ); }
+	void addWidget( Arts::Widget w ) { addWidget( w,0,0 ); }
+
+	void insertWidget( long, Arts::Widget, long, long );
+	void insertWidget( long i, Arts::Widget w, long n ) { insertWidget( i,w,n,0 ); }
+	void insertWidget( long i, Arts::Widget w ) {insertWidget( i,w,0,0 ); }
+
+	void addStretch( long );
+	void addStretch() { addStretch( 0 ); }
+
+	void addSpace( long );
+	void addStrut( long );
+
+	void addSeparator( long, long );
+	void addSeparator( long ) { addSeparator( 0, 0 ); }
+	void addSeparator() { addSeparator( 0, 0 ); }
+
+	void addLine( long, long, long, long );
+	void addLine( long width, long space, long stretch ) { addLine( width, space, stretch, 0 ); }
+	void addLine( long width, long space ) { addLine( width, space, 0, 0 ); }
+
+	long spacing();
+	void spacing( long );
+
+	long layoutmargin();
+	void layoutmargin( long );
+}; // class
+
+} // namespace
+
+class KDE_EXPORT KLayoutBox_Separator : public QWidget {
+   Q_OBJECT
+public:
+	KLayoutBox_Separator( QWidget*, const char* =0 );
+	void resizeEvent( QResizeEvent* );
+	void paintEvent( QPaintEvent* );
+	QSize minimumSizeHint() const;
+};
+
+class KLayoutBox_Line : public QWidget {
+   Q_OBJECT
+private:
+	int _width, _space;
+public:
+	KLayoutBox_Line( int, int, QWidget*, const char* =0 );
+	void paintEvent( QPaintEvent* );
+	QSize minimumSizeHint() const;
+};
+
+#endif
+
+// vim: sw=4 ts=4
+
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 <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_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
diff --git a/arts/gui/kde/klevelmeter_firebars.h b/arts/gui/kde/klevelmeter_firebars.h
new file mode 100644
index 00000000..49ffa75a
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_firebars.h
@@ -0,0 +1,58 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_FIREBARS_H
+#define ARTS_KLEVELMETER_FIREBARS_H
+
+#include "klevelmeter_template.h"
+
+class QPixmap;
+class KLevelMeter_FireBars;
+
+class KLevelMeter_FireBars_private : public QWidget {
+   Q_OBJECT
+public:
+	KLevelMeter_FireBars_private( KLevelMeter_FireBars*, const char* );
+	void paintEvent( QPaintEvent* );
+
+	Arts::Direction dir;
+private:
+	KLevelMeter_FireBars* _parent;
+	QPixmap *_pixmap;
+};
+
+class KLevelMeter_FireBars : public KLevelMeter_Template {
+   Q_OBJECT
+public:
+	KLevelMeter_FireBars( Arts::KLevelMeter_impl*, QWidget* =0, long substyle=0, long count=0, Arts::Direction =Arts::BottomToTop, float _dbmin=-24, float _dbmax=6 );
+
+	void invalue( float, float =0 );
+
+	void paintEvent( QPaintEvent* );
+
+	void mouseMoveEvent( QMouseEvent* );
+private:
+	float _value, _peak;
+	KLevelMeter_FireBars_private *_bar;
+	QWidget* _peakwidget;
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_impl.cpp b/arts/gui/kde/klevelmeter_impl.cpp
new file mode 100644
index 00000000..ff04edde
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_impl.cpp
@@ -0,0 +1,131 @@
+/*
+    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_impl.h"
+
+#include <math.h>
+
+#include <qframe.h>
+#include <kdebug.h>
+#include <qlayout.h>
+#include <kartswidget.h>
+
+#include "klevelmeter_private.h"
+#include "klevelmeter_private.moc"
+#include "klevelmeter_template.h"
+#include "klevelmeter_template.moc"
+
+#include "klevelmeter_small.h"
+#include "klevelmeter_linebars.h"
+#include "klevelmeter_firebars.h"
+#include "klevelmeter_normalbars.h"
+
+using namespace Arts;
+using namespace std;
+
+KLevelMeter_Private::KLevelMeter_Private( KLevelMeter_impl* impl, QFrame* frame, LevelMeterStyle defstyle, QObject* parent, const char* name )
+   : QObject( parent, name )
+   , _impl( impl )
+   , _frame( frame )
+   , _levelmeter( 0 )
+   , _style( defstyle )
+   , _substyle( 0 )
+   , _count( 20 )
+   , _direction( Arts::BottomToTop )
+   , _peak( 20 ), _peakvalue( 0.0 )
+   , _dbmin( -36 ), _dbmax( 0 )
+{
+	_layout = new QBoxLayout( _frame, QBoxLayout::LeftToRight );
+}
+
+void KLevelMeter_Private::createWidget() {
+	if ( _levelmeter != 0 ) { _levelmeter->hide(); delete _levelmeter; _levelmeter=0; }
+	switch ( _style ) {
+		case lmNormalBars:
+			_levelmeter = new KLevelMeter_NormalBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
+			break;
+		case lmFireBars:
+			_levelmeter = new KLevelMeter_FireBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
+			break;
+		default:
+		case lmLineBars:
+			_levelmeter = new KLevelMeter_LineBars( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
+			break;
+		case lmSmall:
+			_levelmeter = new KLevelMeter_Small( _impl, _frame, _substyle, _count, _direction, _dbmin, _dbmax );
+			break;
+	}
+	_layout->addWidget( _levelmeter );
+	_levelmeter->show();
+	_levelmeter->setMinimumSize( 10,10 );
+}
+
+KLevelMeter_impl::KLevelMeter_impl( QFrame* w ) : Arts::KFrame_impl( w ? w : new QFrame( 0 ) ) {
+//kdDebug()<<"KLevelMeter_impl::KLevelMeter_impl( QFrame* "<<w<<" )"<<endl;
+	p = new KLevelMeter_Private( this, _qframe, lmLineBars );
+	p->createWidget();
+}
+
+LevelMeterStyle KLevelMeter_impl::style() { return p->_style; }
+
+void KLevelMeter_impl::style( LevelMeterStyle style ) {
+	if ( p->_style!=style )
+	{
+		p->_style = style;
+		p->createWidget();
+	}
+}
+
+long KLevelMeter_impl::substyle()         { return p->_substyle; }
+void KLevelMeter_impl::substyle( long n ) { p->_substyle = n; p->_levelmeter->substyle( n ); }
+
+long KLevelMeter_impl::count()         { return p->_levelmeter->count(); }
+void KLevelMeter_impl::count( long n ) { p->_levelmeter->count( n ); p->_count = n; }
+
+long KLevelMeter_impl::peakfalloff()         { return p->_peak; }
+void KLevelMeter_impl::peakfalloff( long n ) { p->_peak = n; }
+
+float KLevelMeter_impl::mindB()         { return p->_levelmeter->dbmin; }
+void KLevelMeter_impl::mindB( float n ) { p->_levelmeter->dbmin = n; p->_dbmin = n; }
+float KLevelMeter_impl::maxdB()         { return p->_levelmeter->dbmax; }
+void KLevelMeter_impl::maxdB( float n ) { p->_levelmeter->dbmax = n; p->_dbmax = n; }
+
+float KLevelMeter_impl::invalue() { return 0.0; }
+void KLevelMeter_impl::invalue( float n ) {
+//kdDebug()<<"KLevelMeter_impl::invalue( float n="<<n<<" )"<<endl;
+	if ( p->_peak ) {
+		p->_peakvalue = ( p->_peak*p->_peakvalue + n ) / ( p->_peak + 1 );
+		if ( p->_peakvalue < n ) p->_peakvalue = n;
+	}
+	else p->_peakvalue = 0.0;
+	p->_levelmeter->invalue( n, p->_peakvalue );
+}
+
+Arts::Direction KLevelMeter_impl::direction() { return p->_direction; }
+void KLevelMeter_impl::direction( Arts::Direction n ) {
+	p->_direction = n;
+	p->_levelmeter->direction( n );
+}
+
+REGISTER_IMPLEMENTATION( KLevelMeter_impl );
+
+// vim: sw=4 ts=4
+
diff --git a/arts/gui/kde/klevelmeter_impl.h b/arts/gui/kde/klevelmeter_impl.h
new file mode 100644
index 00000000..53dc5fe2
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_impl.h
@@ -0,0 +1,70 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_IMPL_H
+#define ARTS_KLEVELMETER_IMPL_H
+
+#include "artsgui.h"
+
+#include "kframe_impl.h"
+
+class QFrame;
+
+class KLevelMeter_Private;
+
+namespace Arts { // namespace Arts
+
+class KLevelMeter_impl : virtual public Arts::LevelMeter_skel,
+                         virtual public Arts::KFrame_impl
+{
+private:
+	KLevelMeter_Private *p;
+public:
+	KLevelMeter_impl( QFrame* =0 );
+
+	LevelMeterStyle style();
+	void style( LevelMeterStyle );
+
+	long substyle();
+	void substyle( long );
+
+	long count();
+	void count( long );
+
+	long peakfalloff();
+	void peakfalloff( long );
+
+	float mindB();
+	void mindB( float );
+	float maxdB();
+	void maxdB( float );
+
+	float invalue();
+	void invalue( float );
+
+	Arts::Direction direction();
+	void direction( Arts::Direction );
+}; //class KLevelMeter_impl
+
+} // namespace Arts
+
+#endif
+// vim: sw=4 ts=4
+
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
diff --git a/arts/gui/kde/klevelmeter_linebars.h b/arts/gui/kde/klevelmeter_linebars.h
new file mode 100644
index 00000000..f512b6d1
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_linebars.h
@@ -0,0 +1,46 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_LINEBARS_H
+#define ARTS_KLEVELMETER_LINEBARS_H
+
+#include "klevelmeter_template.h"
+
+class KLevelMeter_LineBars : public KLevelMeter_Template {
+   Q_OBJECT
+public:
+	KLevelMeter_LineBars( Arts::KLevelMeter_impl*, QWidget* =0, long substyle=0, long count=0, Arts::Direction =Arts::BottomToTop, float _dbmin=-24, float _dbmax=6 );
+
+	void invalue( float, float =0 );
+
+	void substyle( long );
+	long substyle();
+
+	void paintEvent( QPaintEvent* );
+
+	void mouseMoveEvent( QMouseEvent* );
+private:
+	float _value, _peak;
+	long _substyle;
+	QColorGroup _stdcolors;
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_normalbars.cpp b/arts/gui/kde/klevelmeter_normalbars.cpp
new file mode 100644
index 00000000..a078eccf
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_normalbars.cpp
@@ -0,0 +1,81 @@
+/*
+    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_normalbars.h"
+
+#include <kdebug.h>
+#include <qpainter.h>
+#include <qlayout.h>
+
+KLevelMeter_NormalBars::KLevelMeter_NormalBars( 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_NormalBars::KLevelMeter_NormalBars( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
+	_layout = new QBoxLayout( this, QBoxLayout::BottomToTop );
+}
+
+void KLevelMeter_NormalBars::invalue( float n, float p ) {
+	//kdDebug()<<"KLevelMeter_NormalBars::invalue( float "<<n<<", float "<<p<<" )"<<endl;
+	_peak = amptondb( p );
+	_value = amptondb( n );
+	if ( _dir != Arts::Direction( _layout->direction() ) ) _layout->setDirection( QBoxLayout::Direction( _dir ) );
+	for ( uint i=0; i<bars.count(); i++ ) bars.at( i )->setValue( _value );
+}
+
+long KLevelMeter_NormalBars::count() { return _count; }
+void KLevelMeter_NormalBars::count( long n ) {
+//kdDebug()<<"KLevelMeter_NormalBars::count( long "<<n<<" )"<<endl;
+	if ( n != _count && n>0 ) {
+		_count = n;
+		resizeEvent();
+	}
+}
+
+void KLevelMeter_NormalBars::resizeEvent( QResizeEvent* ) {
+	//kdDebug()<<"KLevelMeter_NormalBars::resizeEvent( QResizeEvent* )"<<endl;
+uint barscount = _count;
+	//kdDebug()<<"[1] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+	if ( _dir==Arts::BottomToTop || _dir==Arts::TopToBottom ) {
+		if ( unsigned( this->height() ) < barscount ) barscount = this->height();
+	} else {
+		if ( unsigned( this->width() ) < barscount ) barscount = this->width();
+	}
+	if ( barscount != bars.count() ) {
+		//kdDebug()<<"[2] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+		while ( bars.count() > 0 ) {
+			bars.last()->hide();
+			delete bars.last();
+			bars.removeLast();
+			//kdDebug()<<"[2.5] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+		}
+		//kdDebug()<<"[3] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+		uint i=0;
+		while ( bars.count()<barscount ) {
+			Bar* tmp = new Bar( i*1.0/barscount, ( i+1 )*1.0/barscount, color( i*1.0/barscount ), this );
+			tmp->show();
+			_layout->addWidget( tmp );
+			bars.append( tmp );
+			i++;
+			//kdDebug()<<"[3."<<i<<"] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+		}
+		//kdDebug()<<"[4] barscount="<<barscount<<" bars.count()="<<bars.count()<<endl;
+	}
+}
+
+#include <klevelmeter_normalbars.moc>
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_normalbars.h b/arts/gui/kde/klevelmeter_normalbars.h
new file mode 100644
index 00000000..6e319365
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_normalbars.h
@@ -0,0 +1,75 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_NORMALBARS_H
+#define ARTS_KLEVELMETER_NORMALBARS_H
+
+#include "klevelmeter_template.h"
+
+#include <qptrlist.h>
+
+class Bar;
+class QBoxLayout;
+
+class KLevelMeter_NormalBars : public KLevelMeter_Template {
+   Q_OBJECT
+public:
+	KLevelMeter_NormalBars( Arts::KLevelMeter_impl*, QWidget* =0, long substyle=0, long count=25, Arts::Direction =Arts::BottomToTop, float _dbmin=-24, float _dbmax=6 );
+
+	void invalue( float, float =0 );
+
+	void count( long );
+	long count();
+
+	void resizeEvent( QResizeEvent* =0 );
+private:
+	float _value, _peak;
+	QPtrList <Bar> bars;
+//	long _count;
+	QBoxLayout *_layout;
+};
+
+class Bar : public QWidget {
+   Q_OBJECT
+private:
+	float _min, _max;
+	QColor _color;
+	bool _on;
+public:
+	Bar( float min, float max, QColor color, QWidget* parent ) : QWidget( parent ), _min( min ), _max( max ), _color( color ), _on( false ) {
+		setBackgroundColor( _color.dark() );
+	}
+	void setValue( float n ) {
+		if ( n>_min /*&& n<_max*/ ) on( true );
+		else on( false );
+	}
+	void on( bool n ) {
+		if ( _on != n )
+		{
+			_on = n;
+			if ( _on ) setBackgroundColor( _color );
+				else setBackgroundColor( _color.dark() );
+		}
+	}
+	void setValues( float min, float max, QColor color ) { _min = min; _max = max; _color = color; on( _on ); }
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_private.h b/arts/gui/kde/klevelmeter_private.h
new file mode 100644
index 00000000..c1826c63
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_private.h
@@ -0,0 +1,55 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_PRIVATE_H
+#define ARTS_KLEVELMETER_PRIVATE_H
+
+#include <qwidget.h>
+
+#include "klevelmeter_impl.h"
+
+class KLevelMeter_Template;
+class QBoxLayout;
+class KArtsWidget;
+
+class KLevelMeter_Private : public QObject {
+   Q_OBJECT
+public:
+	Arts::KLevelMeter_impl* _impl;
+	QFrame* _frame;
+	QBoxLayout *_layout;
+	
+	KLevelMeter_Template *_levelmeter;
+
+	Arts::LevelMeterStyle _style;
+	long _substyle;
+	long _count;
+	Arts::Direction _direction;
+	long _peak;
+	float _peakvalue;
+	float _dbmin, _dbmax;
+
+	KLevelMeter_Private( Arts::KLevelMeter_impl* impl, QFrame* frame, Arts::LevelMeterStyle defstyle, QObject* =0, const char* =0 );
+
+	void createWidget();
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_small.cpp b/arts/gui/kde/klevelmeter_small.cpp
new file mode 100644
index 00000000..94ba0df0
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_small.cpp
@@ -0,0 +1,59 @@
+/*
+    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_small.h"
+
+#include <kdebug.h>
+#include <qpainter.h>
+
+KLevelMeter_Small::KLevelMeter_Small( 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_Small::KLevelMeter_Small( Arts::KLevelMeter_impl* "<<impl<<", QWidget* "<<parent<<", long "<<substyle<<", long "<<count<<", float "<<_dbmin<<", float "<<_dbmax<<" )"<<endl;
+}
+
+void KLevelMeter_Small::invalue( float n, float p ) {
+//kdDebug()<<"KLevelMeter_Small::invalue( float "<<n<<", float "<<p<<" )"<<endl;
+	_peak = amptondb( p );
+	if ( n ) this->setBackgroundColor( color( amptondb( n ) ) );
+		else this->setBackgroundColor( QColor( 0,255,0 ).dark() );
+}
+
+void KLevelMeter_Small::paintEvent( QPaintEvent* /*qpe*/ ) {
+//kdDebug()<<"KLevelMeter_Small::paintEvent( QPaintEvent* "<<qpe<<" )"<<endl;
+	if ( _peak && _peak <= 1.0 ) {
+		QPainter p( this );
+		//p.setPen( QColor( 0,0,0 ) );
+		QColor bgcolor = this->paletteBackgroundColor();
+		p.setPen( QColor( 255-bgcolor.red(), 255-bgcolor.green(), 255-bgcolor.blue() ) );
+		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() );
+		}
+	}
+}
+
+#include <klevelmeter_small.moc>
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_small.h b/arts/gui/kde/klevelmeter_small.h
new file mode 100644
index 00000000..837c2bf6
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_small.h
@@ -0,0 +1,39 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_SMALL_H
+#define ARTS_KLEVELMETER_SMALL_H
+
+#include "klevelmeter_template.h"
+
+class KLevelMeter_Small : public KLevelMeter_Template {
+   Q_OBJECT
+public:
+	KLevelMeter_Small( Arts::KLevelMeter_impl*, QWidget* =0, long substyle=0, long count=0, Arts::Direction =Arts::BottomToTop, float _dbmin=-24, float _dbmax=6 );
+
+	void invalue( float, float =0 );
+
+	void paintEvent( QPaintEvent* );
+private:
+	float _peak;
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klevelmeter_template.h b/arts/gui/kde/klevelmeter_template.h
new file mode 100644
index 00000000..f1557d28
--- /dev/null
+++ b/arts/gui/kde/klevelmeter_template.h
@@ -0,0 +1,70 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_TEMPLATE_H
+#define ARTS_KLEVELMETER_TEMPLATE_H
+
+#include <qwidget.h>
+
+#include <math.h>
+
+#include "dbvolcalc.h"
+
+#include "klevelmeter_impl.h"
+
+class KLevelMeter_Template : public QWidget, public dB2VolCalc {
+   Q_OBJECT
+public:
+	Arts::KLevelMeter_impl* _impl;
+
+	KLevelMeter_Template( Arts::KLevelMeter_impl* impl, QWidget* p, long /*substyle*/, long count, Arts::Direction dir, float _dbmin, float _dbmax )
+	  : QWidget( p )
+	  , dB2VolCalc( _dbmin, _dbmax )
+	  , _impl( impl )
+	  , _count( count )
+	  , nilline( 3/4.0 )
+	  , _dir( dir )
+	{}
+
+	virtual void invalue( float, float =0 ) =0;
+
+	virtual void substyle( long ) {}
+	virtual long substyle() { return 0; }
+
+	virtual void count( long ) {}
+	virtual long count() { return 0; }
+	long _count;
+
+	void direction( Arts::Direction dir ) { _dir = dir; }
+	Arts::Direction direction() { return _dir; }
+
+	float nilline;
+	/// Gives the colors between green and red
+	QColor color( float n ) {
+		return QColor( int( ( n<=nilline )?255*( 1/nilline )*n:255 ),
+		               int( ( n<=1 && n>nilline )?255-255*( 1/nilline )*( n-nilline ):( ( n>1 )?0:255 ) ),
+		               0 );
+	}
+protected:
+	Arts::Direction _dir;
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klineedit_impl.cpp b/arts/gui/kde/klineedit_impl.cpp
new file mode 100644
index 00000000..473ace81
--- /dev/null
+++ b/arts/gui/kde/klineedit_impl.cpp
@@ -0,0 +1,75 @@
+/*
+	Copyright (C) 2000 Stefan Westerfeld <stefan@space.twc.de>
+	              2001 Charles Samuels <charles@kde.org>
+                  2002 Matthias Kretz <kretz@kde.org>
+
+	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; either
+	version 2 of the License, or (at your option) any later version.
+
+	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 "klineedit_impl.h"
+#include "klineedit_impl.moc"
+
+using namespace Arts;
+using namespace std;
+
+KLineEditStringMapper::KLineEditStringMapper(KLineEdit_impl *impl, KLineEdit *ke)
+	:impl(impl)
+{
+	connect(ke, SIGNAL(textChanged(const QString&)),
+			this, SLOT(textChanged(const QString&)));
+}
+
+void KLineEditStringMapper::textChanged(const QString& newText)
+{
+	impl->textChanged(newText.utf8().data());
+}
+
+KLineEdit_impl::KLineEdit_impl( KLineEdit * widget )
+	: KWidget_impl( widget ? widget : new KLineEdit )
+{
+	_klineedit = static_cast<KLineEdit*>( _qwidget );
+	( void )new KLineEditStringMapper( this, _klineedit );
+}
+
+string KLineEdit_impl::text()
+{
+	return _klineedit->text().utf8().data();
+}
+
+void KLineEdit_impl::text(const string& newText)
+{
+	_klineedit->setText(QString::fromUtf8(newText.c_str()));
+}
+
+void KLineEdit_impl::textChanged(const string& newText)
+{
+	text_changed(newText);
+}
+
+string KLineEdit_impl::caption()
+{
+	return ""; // FIXME
+}
+
+void KLineEdit_impl::caption(const string& /*newCaption*/)
+{
+	// FIXME
+}
+
+REGISTER_IMPLEMENTATION(KLineEdit_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/klineedit_impl.h b/arts/gui/kde/klineedit_impl.h
new file mode 100644
index 00000000..a079a2dc
--- /dev/null
+++ b/arts/gui/kde/klineedit_impl.h
@@ -0,0 +1,63 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef klineedit_impl_h
+#define klineedit_impl_h
+
+#include "kwidget_impl.h"
+#include <klineedit.h>
+
+
+namespace Arts {
+
+class KLineEdit_impl : virtual public Arts::LineEdit_skel,
+                       public Arts::KWidget_impl
+{
+protected:
+	KLineEdit * _klineedit;
+
+public:
+	KLineEdit_impl( KLineEdit * w = 0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string caption();
+	void caption(const std::string& newCaption);
+	std::string text();
+	void text(const std::string& newText);
+	void textChanged(const std::string& newText);
+};
+
+class KLineEditStringMapper :public QObject {
+	Q_OBJECT
+	KLineEdit_impl *impl;
+public:
+	KLineEditStringMapper(KLineEdit_impl *impl, KLineEdit *ed);
+public slots:
+	void textChanged(const QString& newText);
+};
+
+}
+
+#endif
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kpopupbox_impl.cpp b/arts/gui/kde/kpopupbox_impl.cpp
new file mode 100644
index 00000000..03651ea2
--- /dev/null
+++ b/arts/gui/kde/kpopupbox_impl.cpp
@@ -0,0 +1,134 @@
+    /*
+
+    Copyright (  C ) 2002, 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; either
+    version 2 of the License, or (  at your option ) any later version.
+
+    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 "kpopupbox_impl.h"
+#include "kpopupbox_private.h"
+
+#include <qlayout.h>
+
+using namespace Arts;
+
+KPopupBox_impl::KPopupBox_impl( KPopupBox_widget *w ) : KFrame_impl( w ? w : new KPopupBox_widget )
+{
+	self().framestyle( Box ); self().margin( 1 ); self().linewidth( 1 );
+	self().vSizePolicy( spFixed ); self().hSizePolicy( spFixed );
+
+	if( !w ) w = static_cast<KPopupBox_widget *>( _qframe );
+
+	_widget = w;
+//	_mapper = new KPopupBoxEventMapper( _widget, this );
+}
+KPopupBox_impl::~KPopupBox_impl() {
+}
+
+Direction KPopupBox_impl::direction() { return _widget->direction(); }
+void KPopupBox_impl::direction( Direction n ) { _widget->direction( n ); }
+
+void KPopupBox_impl::widget( Arts::Widget widget ) {
+	widget.parent( self() );
+	this->_addChild( widget, "PopupBox_child" );
+	_widget->setWidget( widget );
+}
+Arts::Widget KPopupBox_impl::widget() { return _widget->getWidget(); }
+
+std::string KPopupBox_impl::name() { return _name; }
+void KPopupBox_impl::name( const std::string& n ) { _name = ""; _name = n; _widget->name( n ); }
+
+// Following the private class:
+
+KPopupBox_widget::KPopupBox_widget( QWidget *parent, const char* name ) : QFrame( parent,name )
+{
+	this->setFrameShape( QFrame::Box );
+	this->setMargin( 1 ); this->setLineWidth( 1 );
+
+	_titlebar = new QFrame( this );
+	_titlebarlayout = new QBoxLayout( _titlebar, QBoxLayout::BottomToTop );
+	_titlebarlayout->setAutoAdd( true );
+
+	_showbutton = new ShowButton( _titlebar );
+	connect( _showbutton, SIGNAL( toggled( bool ) ), this, SLOT( hide( bool ) ) );
+	_drag = new HandleDrag( _titlebar );
+	connect( _drag, SIGNAL( clicked() ), _showbutton, SLOT( toggle() ) );
+	_ownbutton = new OwnButton( _titlebar );
+	connect( _ownbutton, SIGNAL( toggled( bool ) ), this, SLOT( own( bool ) ) );
+
+	_artswidget = new OwnWidget( _showbutton, this );
+
+	_layout = new QBoxLayout( this, QBoxLayout::LeftToRight );
+	_layout->addWidget( _titlebar , -1 );
+	_layout->addWidget( _artswidget, 20 );
+	_layout->addStretch( 0 );
+}
+KPopupBox_widget::~KPopupBox_widget() {
+}
+
+Arts::Direction KPopupBox_widget::direction() {
+	return Arts::Direction( _layout->direction() );
+}
+
+void KPopupBox_widget::direction( Arts::Direction n ) {
+	_layout->setDirection( QBoxLayout::Direction( n ) );
+	_showbutton->direction( QBoxLayout::Direction( n ) );
+	switch( n ) {
+		case LeftToRight:
+		case RightToLeft:
+			_titlebarlayout->setDirection( QBoxLayout::BottomToTop );
+			_drag->setMinimumHeight( 30 );
+			_drag->setMinimumWidth( 0 );
+			break;
+		case TopToBottom:
+		case BottomToTop:
+			_titlebarlayout->setDirection( QBoxLayout::RightToLeft );
+			_drag->setMinimumHeight( 0 );
+			_drag->setMinimumWidth( 30 );
+	}
+}
+
+void KPopupBox_widget::setWidget( Arts::Widget widget ) { _artswidget->setContent( widget ); }
+Arts::Widget KPopupBox_widget::getWidget() { return _artswidget->content(); }
+
+void KPopupBox_widget::hide( bool n ) {
+	if( n )
+		_artswidget->hide();
+	else
+		_artswidget->show();
+}
+
+void KPopupBox_widget::own( bool n ) {
+	if ( n )
+		_artswidget->reparent( 0, _artswidget->mapToGlobal( _artswidget->pos() ), !( _artswidget->isHidden() ) );
+	else
+	{
+		_artswidget->reparent( this, QPoint( 0,0 ), !( _artswidget->isHidden() ) );
+		_layout->insertWidget( 1, _artswidget, 20 );
+	}
+}
+
+void KPopupBox_widget::name( std::string n ) {
+	_artswidget->setCaption( n.c_str() );
+}
+
+REGISTER_IMPLEMENTATION( KPopupBox_impl );
+
+#include "kpopupbox_private.moc"
+
+// vim: sw=4 ts=4
+
diff --git a/arts/gui/kde/kpopupbox_impl.h b/arts/gui/kde/kpopupbox_impl.h
new file mode 100644
index 00000000..e3c8c250
--- /dev/null
+++ b/arts/gui/kde/kpopupbox_impl.h
@@ -0,0 +1,70 @@
+    /*
+
+    Copyright ( C ) 2002, 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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.
+
+    */
+
+#ifndef KPOPUPBOX_IMPL_H
+#define KPOPUPBOX_IMPL_H
+
+#include <kframe_impl.h>
+#include <artsgui.h>
+
+class QBoxLayout;
+class KPopupBox_widget;
+//class KPopupBoxEventMapper; // The EventMapper isn't needed at present, but perhaps in the future...
+
+namespace Arts {
+
+/// The PopupBox
+
+class KPopupBox_impl : virtual public Arts::PopupBox_skel, public Arts::KFrame_impl
+{
+public:
+	/// selfreference like 'this'
+	PopupBox self() { return PopupBox::_from_base( _copy() ); }
+	/// Constructor
+	KPopupBox_impl( KPopupBox_widget *w=0 );
+	~KPopupBox_impl();
+
+	/// The name of the widget
+	std::string name();
+	void name( const std::string & );
+
+	/// The direction. LeftToRight (true) or TopToBottom (false). May get other values in the future.
+	Direction direction();
+	void direction( Direction );
+
+	/// Set and Get the Widget.
+	void widget( Arts::Widget );
+	Arts::Widget widget();
+
+private:
+	std::string _name;
+	bool _lefttoright;
+	KPopupBox_widget *_widget;
+//	KPopupBoxEventMapper *_mapper;
+
+}; // class KPopupBox
+
+} // namespace Arts
+
+#endif
+
+// vim: sw=4 ts=4
+
diff --git a/arts/gui/kde/kpopupbox_private.h b/arts/gui/kde/kpopupbox_private.h
new file mode 100644
index 00000000..b7e383d1
--- /dev/null
+++ b/arts/gui/kde/kpopupbox_private.h
@@ -0,0 +1,216 @@
+    /*
+
+    Copyright ( C ) 2002, 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; either
+    version 2 of the License, or ( at your option ) any later version.
+
+    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.
+
+    */
+
+#ifndef KPOPUPBOX_PRIVATE_H
+#define KPOPUPBOX_PRIVATE_H
+
+
+class HandleDrag;
+class ShowButton;
+class OwnButton;
+class KArtsWidget;
+class OwnWidget;
+class QBoxLayout;
+
+#include <qframe.h>
+
+class KPopupBox_widget : public QFrame
+{
+   Q_OBJECT
+public:
+	KPopupBox_widget( QWidget* =0, const char* =0);
+	~KPopupBox_widget();
+
+	Arts::Direction direction();
+	void direction( Arts::Direction );
+
+	void setWidget( Arts::Widget widget );
+	Arts::Widget getWidget();
+
+	void name( std::string );
+private slots:
+	void hide( bool );
+	void own( bool );
+private:
+	QBoxLayout *_layout;
+
+	QFrame *_titlebar;
+	QBoxLayout *_titlebarlayout;
+	HandleDrag *_drag;
+	ShowButton *_showbutton;
+	OwnButton *_ownbutton;
+
+	OwnWidget *_artswidget;
+};
+
+// See kpopupbox_impl.h - The eventmapper isn't needed at present, but perhaps in the future...
+
+/*class KPopupBoxEventMapper : public QObject {
+   Q_OBJECT
+public:
+	KPopupBoxEventMapper(  KPopupBox_widget *widget, Arts::KPopupBox_impl *impl )
+	  : QObject(  widget,"" ), _widget(  widget ), _impl(  impl )
+	{}
+private:
+	KPopupBox_widget *_widget;
+	Arts::KPopupBox_impl *_impl;
+};*/
+
+#include <qpainter.h>
+#include <qstyle.h>
+
+class HandleDrag : public QWidget {
+   Q_OBJECT
+public:
+	HandleDrag( QWidget *parent, const char* name=0 ) : QWidget( parent,name ) {}
+	void paintEvent( QPaintEvent * ) {
+		QPainter p( this );
+		QStyle::SFlags flags = QStyle::Style_Default;
+		if( width() < height() ) flags |= QStyle::Style_Horizontal;
+		style().drawPrimitive( QStyle::PE_DockWindowHandle, &p, rect(), colorGroup(), flags );
+	}
+signals:
+	void clicked();
+protected:
+	virtual void mouseDoubleClickEvent( QMouseEvent * ) {
+		emit clicked();
+	}
+};
+
+static const char* const close_xpm[]  = { "5 5 2 1", "# c black", ". c None", "#...#", ".#.#.", "..#..", ".#.#.", "#...#"};
+static const char* const up_xpm[]     = { "5 5 2 1", "# c black", ". c None", ".....", "..#..", ".###.", "#####", "....."};
+static const char* const down_xpm[]   = { "5 5 2 1", "# c black", ". c None", ".....", "#####", ".###.", "..#..", "....."};
+static const char* const left_xpm[]   = { "5 5 2 1", "# c black", ". c None", "...#.", "..##.", ".###.", "..##.", "...#."};
+static const char* const right_xpm[]  = { "5 5 2 1", "# c black", ". c None", ".#...", ".##..", ".###.", ".##..", ".#..."};
+static const char* const inside_xpm[] = { "5 5 2 1", "# c black", ". c None", "#####", "#...#", "#...#", "#...#", "#####"};
+static const char* const own_xpm[]    = { "5 5 2 1", "# c black", ". c None", "###..", "#.###", "###.#", ".#..#", ".####"};
+
+#include <qpushbutton.h>
+#include <qlayout.h>
+
+class ShowButton : public QPushButton {
+   Q_OBJECT
+private:
+	QBoxLayout::Direction _dir;
+	QPixmap _pmleft, _pmright, _pmup, _pmdown;
+public:
+	ShowButton( QWidget *parent, const char* name=0 ) : QPushButton( parent,name ), _dir( QBoxLayout::LeftToRight )
+	{
+		connect( this, SIGNAL( toggled( bool ) ), this, SLOT( owntoggle( bool ) ) );
+		setToggleButton( true );
+		_pmleft = QPixmap( const_cast<const char**>( left_xpm ) );
+		_pmright = QPixmap( const_cast<const char**>( right_xpm ) );
+		_pmup = QPixmap( const_cast<const char**>( up_xpm ) );
+		_pmdown = QPixmap( const_cast<const char**>( down_xpm ) );
+		setPixmap( _pmright );
+	}
+
+	void direction( QBoxLayout::Direction n ) { _dir=n; }
+public slots:
+	void owntoggle( bool b ) {
+		switch( _dir )
+		{
+			case QBoxLayout::BottomToTop:
+				if( b ) setPixmap( _pmdown );
+				else setPixmap( _pmup );
+				break;
+			case QBoxLayout::TopToBottom:
+				if( b ) setPixmap( _pmup );
+				else setPixmap( _pmdown );
+				break;
+			case QBoxLayout::LeftToRight:
+				if( b ) setPixmap( _pmright );
+				else setPixmap( _pmleft );
+				break;
+			case QBoxLayout::RightToLeft:
+				if( b ) setPixmap( _pmleft );
+				else setPixmap( _pmright );
+				break;
+		}
+	}
+public:
+	QSize minimumSizeHint() const {
+		int wh = style().pixelMetric( QStyle::PM_DockWindowHandleExtent, this );
+		return QSize( wh, wh );
+	}
+	QSizePolicy sizePolicy() const { return QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ); }
+	QSize minimumSize() const { return minimumSizeHint(); }
+	QSize sizeHint() const { return minimumSize(); }
+
+	void drawButton(  QPainter * p )
+	{
+		p->fillRect( 0,0, width(), height(), QBrush( colorGroup().brush( QColorGroup::Background ) ) );
+		p->drawPixmap( ( width() - pixmap()->width() ) / 2, ( height() - pixmap()->height() ) / 2, *pixmap() );
+	}
+};
+
+class OwnButton : public QPushButton {
+   Q_OBJECT
+private:
+	QPixmap _pmown, _pminside;
+public:
+	OwnButton( QWidget *parent, const char* name=0 ) : QPushButton( parent,name )
+	{
+		connect( this, SIGNAL( toggled( bool ) ), this, SLOT( toggle( bool ) ) );
+		setToggleButton( true );
+		_pmown = QPixmap( const_cast<const char**>( own_xpm ) );
+		_pminside = QPixmap( const_cast<const char**>( inside_xpm ) );
+		setPixmap( _pmown );
+	}
+
+public slots:
+	void toggle( bool b ) {
+			if( b ) setPixmap( _pminside );
+			else setPixmap(  _pmown );
+	}
+public:
+	QSize minimumSizeHint() const {
+		int wh = style().pixelMetric( QStyle::PM_DockWindowHandleExtent, this );
+		return QSize( wh, wh );
+	}
+	QSizePolicy sizePolicy() const { return QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ); }
+	QSize minimumSize() const { return minimumSizeHint(); }
+	QSize sizeHint() const { return minimumSize(); }
+
+	void drawButton( QPainter * p )
+	{
+		p->fillRect( 0,0, width(), height(), QBrush( colorGroup().brush( QColorGroup::Background ) ) );
+		p->drawPixmap( ( width() - pixmap()->width() ) / 2, ( height() - pixmap()->height() ) / 2, *pixmap() );
+	}
+};
+
+#include <kartswidget.h>
+
+class OwnWidget : public KArtsWidget
+{
+   Q_OBJECT
+	ShowButton *_b;
+public:
+	OwnWidget( ShowButton* b, QWidget* p, const char* n=0, WFlags f=0 ) : KArtsWidget( p,n,f ) { _b = b; }
+	~OwnWidget() {}
+public slots:
+	void closeEvent( QCloseEvent * ) { _b->toggle(); }
+};
+
+#endif
+
+// vim: sw=4 ts=4
+
diff --git a/arts/gui/kde/kpoti.cpp b/arts/gui/kde/kpoti.cpp
new file mode 100644
index 00000000..e12c1bf5
--- /dev/null
+++ b/arts/gui/kde/kpoti.cpp
@@ -0,0 +1,780 @@
+/***************************************************************************
+                          kpoti.cpp  -  potentiometer widget
+                             -------------------
+    begin                : Wed Apr 28 23:05:05 MEST 1999
+
+    copyright            : (C) 1999 by Martin Lorenz
+    email                : lorenz@ch.tum.de
+                           (C) 2002-2003 Matthias Kretz <kretz@kde.org>
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "kpoti.h"
+#include "kpoti.moc"
+
+#include <qbitmap.h>
+#include <qpainter.h>
+#include <qcolor.h>
+#include <qdrawutil.h>
+#include <qtimer.h>
+#include <qkeycode.h>
+#include <qpen.h>
+#include <qstring.h>
+#include <qstyle.h>
+
+#include <math.h>
+
+#include <kpixmap.h>
+#include <kpixmapeffect.h>
+#include <kglobal.h>
+#include <kdebug.h>
+#include <kapplication.h>
+
+#define PI 3.1415926
+static const int thresholdTime = 500;
+static const int repeatTime    = 100;
+static const float maxAngle = PI*135/180; // 140 degrees to both sides
+static const float tickLength = 3;
+
+struct KPoti::KPotiPrivate
+{
+	KPotiPrivate()
+		: bgDirty( false )
+		, potiDirty( false )
+	{}
+
+	bool bgDirty;
+	KPixmap bgdb;
+	KPixmap bgPixmap( const QColorGroup & colorGroup )
+	{
+		if( bgDirty || bgdb.isNull() )
+		{
+			bgdb.resize( buttonRect.size() );
+			QPainter dbp( &bgdb );
+			dbp.setPen( Qt::NoPen );
+			QRect drawRect = bgdb.rect();
+
+			// create mask
+			QBitmap mask( bgdb.size(), true );
+			QPainter maskpainter( &mask );
+			maskpainter.setPen( Qt::NoPen );
+			maskpainter.setBrush( Qt::color1 );
+			maskpainter.drawEllipse( drawRect );
+			maskpainter.end();
+			bgdb.setMask( mask );
+
+			// inset shadow
+			KPixmap gradient( bgdb.size() );
+			KPixmapEffect::gradient( gradient, colorGroup.light(), colorGroup.dark(), KPixmapEffect::DiagonalGradient );
+			dbp.setBrush( QBrush( colorGroup.button(), gradient ) );
+			dbp.drawEllipse( drawRect );
+
+			potiRect.setSize( drawRect.size() * 0.9 );
+			if( potiRect.width() + 6 > drawRect.width() )
+			{
+				potiRect.setWidth( drawRect.width() - 6 );
+				potiRect.setHeight( drawRect.height() - 6 );
+			}
+			potiRect.moveCenter( center );
+
+			bgDirty = false;
+		}
+		return bgdb;
+	}
+
+	QColor potiColor;
+	bool potiDirty;
+	KPixmap potidb;
+	KPixmap potiPixmap()
+	{
+		if( ( potiDirty || potidb.isNull() ) && ! potiRect.size().isEmpty() )
+		{
+			potidb.resize( potiRect.size() );
+			QPainter dbp( &potidb );
+			dbp.setPen( Qt::NoPen );
+			QRect drawRect( potidb.rect() );
+
+			// create mask
+			QBitmap mask( potidb.size(), true );
+			QPainter maskpainter( &mask );
+			maskpainter.setPen( Qt::NoPen );
+			maskpainter.setBrush( Qt::color1 );
+			maskpainter.drawEllipse( drawRect );
+			maskpainter.end();
+			potidb.setMask( mask );
+
+			KPixmap gradient( potidb.size() );
+			KPixmapEffect::gradient( gradient, potiColor.dark( 130 ), potiColor.light( 130 ), KPixmapEffect::DiagonalGradient );
+			dbp.setBrush( QBrush( potiColor, gradient ) );
+			dbp.drawEllipse( drawRect );
+
+			potiDirty = false;
+		}
+		return potidb;
+	}
+
+	QRect buttonRect;
+	QRect potiRect;
+	QRect labelRect;
+	QString label;
+	QPoint center;
+};
+
+QSizePolicy KPoti::sizePolicy() const
+{
+	return QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred );
+}
+
+QSize KPoti::sizeHint() const
+{
+	return minimumSizeHint();
+}
+
+QSize KPoti::minimumSizeHint() const
+{
+	int width = 40;
+	int height = 40;
+	if( m_bLabel )
+	{
+		QFontMetrics metrics( font() );
+		d->labelRect = metrics.boundingRect( d->label );
+		d->labelRect.setHeight( metrics.lineSpacing() );
+		width = KMAX( width, d->labelRect.width() + frameRect().width() - contentsRect().width() );
+		height += metrics.lineSpacing();
+	}
+	//kdDebug() << k_funcinfo << "return " <<  width << "x" << height << endl;
+	return QSize( width, height );
+}
+
+QString KPoti::text() const
+{
+	return d->label;
+}
+
+void KPoti::setText( const QString & text )
+{
+	d->label = text;
+	setMinimumSize( minimumSizeHint() );
+	updateGeometry();
+}
+
+/**
+  Constructs a poti.
+
+  The \e parent and \e name arguments are sent to the QWidget constructor.
+*/
+KPoti::KPoti( QWidget *parent, const char *name )
+    : QFrame( parent, name, WResizeNoErase | WRepaintNoErase )
+	, d( 0 )
+{
+    init();
+}
+
+
+
+/**
+  Constructs a poti.
+
+  \arg \e minValue is the minimum slider value.
+  \arg \e maxValue is the maximum slider value.
+  \arg \e step is the page step value.
+  \arg \e value is the initial value.
+
+  The \e parent and \e name arguments are sent to the QWidget constructor.
+*/
+
+KPoti::KPoti( int minValue, int maxValue, int step,
+		  int value, QWidget *parent, const char *name )
+    : QFrame( parent, name, WResizeNoErase | WRepaintNoErase )
+	, QRangeControl( minValue, maxValue, 1, step, value )
+	, d( 0 )
+{
+    init(value);
+}
+
+KPoti::~KPoti()
+{
+	delete d;
+	d = 0;
+}
+
+void KPoti::init(int value)
+{
+	d = new KPotiPrivate;
+	font().setPointSize( 8 );
+	d->potiColor.setNamedColor( "red" );
+
+  timer = 0;
+  potiVal = value;
+  potiPos = positionFromValue(value);
+  clickOffset = 0;
+  state = Idle;
+  track = TRUE;
+  ticks = TRUE;
+  m_bLabel = true;
+  tickInt = 0;
+
+  setFocusPolicy( TabFocus );
+  initTicks();
+}
+
+
+/**
+  Does what's needed when someone changes the tickmark status
+*/
+
+void KPoti::initTicks()
+{
+	QRect available = contentsRect();
+	if( m_bLabel )
+		available.rTop() += d->labelRect.height();
+	d->center = available.center();
+	// make the width and height equal
+	if( available.width() > available.height() )
+		available.setWidth( available.height() );
+	else if( available.height() > available.width() )
+		available.setHeight( available.width() );
+	available.moveCenter( d->center );
+	d->buttonRect = available;
+
+	buttonRadius = available.width() / 2.0;
+	if( ticks )
+	{
+		buttonRadius -= tickLength;
+		int tickSpace = static_cast<int>( tickLength );
+		d->buttonRect.rTop() += tickSpace;
+		d->buttonRect.rLeft() += tickSpace;
+		d->buttonRect.rRight() -= tickSpace;
+		d->buttonRect.rBottom() -= tickSpace;
+	}
+
+	d->potiDirty = true;
+	d->bgDirty = true;
+}
+
+
+/**
+  Enables slider tracking if \e enable is TRUE, or disables tracking
+  if \e enable is FALSE.
+
+  If tracking is enabled (default), the slider emits the
+  valueChanged() signal whenever the slider is being dragged.  If
+  tracking is disabled, the slider emits the valueChanged() signal
+  when the user releases the mouse button (unless the value happens to
+  be the same as before).
+
+  \sa tracking()
+*/
+
+void KPoti::setTracking( bool enable )
+{
+    track = enable;
+}
+
+
+/**
+  \fn bool KPoti::tracking() const
+  Returns TRUE if tracking is enabled, or FALSE if tracking is disabled.
+
+  Tracking is initially enabled.
+
+  \sa setTracking()
+*/
+
+
+/**
+  \fn void KPoti::valueChanged( int value )
+  This signal is emitted when the slider value is changed, with the
+  new slider value as an argument.
+*/
+
+/**
+  \fn void KPoti::sliderPressed()
+  This signal is emitted when the user presses the slider with the mouse.
+*/
+
+/**
+  \fn void KPoti::sliderMoved( int value )
+  This signal is emitted when the slider is dragged, with the
+  new slider value as an argument.
+*/
+
+/**
+  \fn void KPoti::sliderReleased()
+  This signal is emitted when the user releases the slider with the mouse.
+*/
+
+/**
+  Calculates slider position corresponding to value \a v. Does not perform
+  rounding.
+*/
+
+float KPoti::positionFromValue( int v ) const
+{
+
+    int range = maxValue() - minValue();
+    return ( (v - minValue() ) *2* maxAngle) / range - maxAngle;
+}
+
+
+/**
+  Calculates value corresponding to poti position \a p. Performs rounding.
+*/
+
+int KPoti::valueFromPosition( float p ) const
+{
+    int range = maxValue() - minValue();
+    return (int) (minValue() + ((p+maxAngle)*range)/(2*maxAngle));
+}
+
+/*!
+  Implements the virtual QRangeControl function.
+*/
+
+void KPoti::rangeChange()
+{
+	float newPos = positionFromValue( value() );
+	if ( newPos != potiPos ) {
+		reallyMovePoti( newPos );
+	}
+}
+
+void KPoti::paletteChange( const QPalette & )
+{
+	d->bgDirty = true;
+	d->potiDirty = true;
+}
+
+/*!
+  Changes the value (slot)
+*/
+
+void KPoti::valueChange()
+{
+    if ( potiVal != value() ) {
+	float newPos = positionFromValue( value() );
+	potiVal = value();
+	reallyMovePoti( newPos );
+    }
+    emit valueChanged(value());
+}
+
+
+/*!
+  Handles resize events for the poti.
+*/
+
+void KPoti::resizeEvent( QResizeEvent * )
+{
+    rangeChange();
+    initTicks();
+}
+
+void KPoti::setLabel(bool s)
+{
+	m_bLabel = s;
+	initTicks();
+}
+
+/**
+  Sets the color of the button
+  */
+void KPoti::setColor( const QColor &c )
+{
+	d->potiColor = c;
+	d->potiDirty = true;
+	repaint();
+}
+
+
+void KPoti::paintPoti( QPainter * p )
+{
+	if( isVisible() )
+	{
+		KPixmap db = d->potiPixmap();
+		if( db.isNull() )
+			return;
+
+		QPainter p2( &db );
+		p2.translate( db.rect().center().x(), db.rect().center().y() );
+		p2.rotate( potiPos * 180.0 / PI );
+		QRect pointer( db.width() / -20, db.width() / -2, db.width() / 10, db.width() / 2 );
+		QBrush buttonbrush( colorGroup().button() );
+		qDrawShadePanel( &p2, pointer, colorGroup(), true, 1, &buttonbrush );
+		p2.end();
+
+		p->drawPixmap( d->potiRect, db );
+	}
+}
+
+/*!
+  Performs the actual moving of the slider.
+*/
+
+void KPoti::reallyMovePoti( float newPos )
+{
+  QPainter p;
+  p.begin( this );
+  p.setPen(NoPen);
+  potiPos = newPos;
+  paintPoti(&p);
+  p.end();
+}
+
+
+
+
+/**
+  Handles paint events for the slider.
+*/
+
+void KPoti::drawContents( QPainter * p )
+{
+	QPixmap doublebuffer( contentsRect().size() );
+	doublebuffer.fill( colorGroup().background() );
+	QPainter dbp( &doublebuffer );
+	if( m_bLabel )
+	{
+		dbp.setFont( font() );
+		QFontMetrics metrics = dbp.fontMetrics();
+		dbp.drawText( contentsRect().x() - metrics.leftBearing( d->label[ 0 ] ) + ( contentsRect().width() - d->labelRect.width() ) / 2, metrics.height(), d->label );
+	}
+
+    int interval = tickInt;
+    if( interval <= 0 )
+		interval = 12;
+    if( ticks )
+		drawTicks( &dbp, buttonRadius, tickLength, interval );
+
+	dbp.drawPixmap( d->buttonRect, d->bgPixmap( colorGroup() ) );
+
+	if( hasFocus() )
+		style().drawPrimitive( QStyle::PE_FocusRect, &dbp, d->buttonRect, colorGroup() );
+
+    paintPoti( &dbp );
+	dbp.end();
+	p->drawPixmap( contentsRect(), doublebuffer );
+}
+
+
+/*!
+  Handles mouse press events for the slider.
+*/
+
+void KPoti::mousePressEvent( QMouseEvent *e )
+{
+  resetState();
+
+  if ( e->button() == MidButton ) {
+    double pos = atan2( double(e->pos().x()-d->center.x()),
+                       double(- e->pos().y() + d->center.y()) );
+    movePoti( pos );
+    return;
+  }
+  if ( e->button() != LeftButton )
+    return;
+
+
+  int dx=e->pos().x()-d->center.x(), dy=e->pos().y()-d->center.y();
+
+  if ( dx*dx+dy*dy < buttonRadius*buttonRadius ) {
+    state = Dragging;
+    clickOffset =  potiVal + (e->pos().y() ) ;
+    emit potiPressed();
+  }  else if ( e->pos().x() < width()/2 ) {
+    state = TimingDown;
+    subtractPage();
+    if ( !timer )
+      timer = new QTimer( this );
+    connect( timer, SIGNAL(timeout()), SLOT(repeatTimeout()) );
+    timer->start( thresholdTime, TRUE );
+  } else  {
+    state = TimingUp;
+    addPage();
+    if ( !timer )
+      timer = new QTimer( this );
+    connect( timer, SIGNAL(timeout()), SLOT(repeatTimeout()) );
+    timer->start( thresholdTime, TRUE );
+  }
+}
+
+/*!
+  Handles mouse move events for the slider.
+*/
+void KPoti::mouseMoveEvent( QMouseEvent *e )
+{
+
+    if ( (e->state() & MidButton) ) { 		// middle button wins
+      double pos = atan2( double(e->pos().x()-d->center.x()),
+                          double(- e->pos().y()+d->center.y()) );
+      movePoti( pos );
+      return;
+    }
+    if ( !(e->state() & LeftButton) )
+	return;					// left mouse button is up
+    if ( state != Dragging )
+	return;
+
+
+    movePoti( positionFromValue(- e->pos().y() + clickOffset ));
+}
+
+
+/*!
+  Handles mouse release events for the slider.
+*/
+
+void KPoti::mouseReleaseEvent( QMouseEvent *e )
+{
+    if ( !(e->button() & LeftButton) )
+	return;
+    resetState();
+}
+
+void KPoti::focusInEvent( QFocusEvent * e )
+{
+	//setFrameStyle( Raised | Box );
+	//setLineWidth( 1 );
+	QFrame::focusInEvent( e );
+}
+
+void KPoti::focusOutEvent( QFocusEvent * e )
+{
+	//setFrameStyle( NoFrame );
+	//setLineWidth( 0 );
+	QFrame::focusOutEvent( e );
+}
+
+
+void KPoti::enterEvent( QEvent * )
+{
+    emit mouseEntered( potiVal );
+}
+
+
+/*!
+  Moves the left (or top) edge of the slider to position
+  \a pos. Performs snapping.
+*/
+
+void KPoti::movePoti( float pos )
+{
+    float newPos = QMIN( maxAngle, QMAX( -maxAngle, pos ) );
+    int newVal = valueFromPosition( newPos );
+    if ( potiVal != newVal ) {
+	potiVal = newVal;
+	emit potiMoved( potiVal );
+    }
+    if ( tracking() && potiVal != value() ) {
+	directSetValue( potiVal );
+	emit valueChanged( potiVal );
+    }
+
+
+    if ( potiPos != newPos )
+	reallyMovePoti( newPos );
+}
+
+
+/*!
+  Resets all state information and stops my timer.
+*/
+
+void KPoti::resetState()
+{
+    if ( timer ) {
+	timer->stop();
+	timer->disconnect();
+    }
+    switch ( state ) {
+    case TimingUp:
+    case TimingDown:
+	break;
+    case Dragging: {
+	setValue( valueFromPosition( potiPos ) );
+	emit potiReleased();
+	break;
+    }
+    case Idle:
+	break;
+    default:
+	kdWarning() << "KPoti: in wrong state" << endl;
+    }
+    state = Idle;
+}
+
+
+/*!
+  Handles key press events for the slider.
+*/
+
+void KPoti::keyPressEvent( QKeyEvent *e )
+{
+
+    switch ( e->key() ) {
+    case Key_Left:
+      subtractLine();
+      break;
+    case Key_Right:
+      addLine();
+      break;
+    case Key_Up:
+      addLine();
+      break;
+    case Key_Down:
+      subtractLine();
+      break;
+    case Key_Prior:
+      subtractPage();
+      break;
+    case Key_Next:
+      addPage();
+      break;
+    case Key_Home:
+      setValue( minValue() );
+      break;
+    case Key_End:
+      setValue( maxValue() );
+      break;
+    default:
+	e->ignore();
+	return;
+    }
+    e->accept();
+}
+
+
+
+
+
+/*!
+  Makes QRangeControl::setValue() available as a slot.
+*/
+
+void KPoti::setValue( int value )
+{
+    QRangeControl::setValue( value );
+}
+
+
+/*!
+  Moves the slider one pageStep() upwards.
+*/
+
+void KPoti::addStep()
+{
+    addPage();
+}
+
+
+/*!
+  Moves the slider one pageStep() downwards.
+*/
+
+void KPoti::subtractStep()
+{
+    subtractPage();
+}
+
+
+/*!
+  Waits for autorepeat.
+*/
+
+void KPoti::repeatTimeout()
+{
+    Q_ASSERT( timer );
+    timer->disconnect();
+    if ( state == TimingDown )
+	connect( timer, SIGNAL(timeout()), SLOT(subtractStep()) );
+    else if ( state == TimingUp )
+	connect( timer, SIGNAL(timeout()), SLOT(addStep()) );
+    timer->start( repeatTime, FALSE );
+}
+
+
+
+
+/*!
+  Using \a p, draws tickmarks at a distance of \a dist from the edge
+  of the widget, using \a w pixels and \a i intervals.
+  */
+
+void KPoti::drawTicks( QPainter *p, double dist, double w, int i ) const
+{
+	p->setPen( colorGroup().foreground() );
+	double angle,s,c;
+	double x, y;
+	for (int v=0; v<=i; v++)
+	{
+		angle = -maxAngle+2*maxAngle*v/i;
+		s = sin( angle );
+		c = cos( angle );
+		x = d->center.x() - s * dist;
+		y = d->center.y() - c * dist;
+
+		p->drawLine( (int)x, (int)y, (int)(x - s * w), (int)(y - c * w) );
+	}
+}
+
+void KPoti::wheelEvent(QWheelEvent *e)
+{
+	setValue(value()+e->delta()/120*8);
+}
+
+
+/*!
+  Sets the way tickmarks are displayed by the slider. \a s can take
+  the following values:
+  <ul>
+  <li> \c NoMarks
+  <li> \c Above
+  <li> \c Left
+  <li> \c Below
+  <li> \c Right
+  <li> \c Both
+  </ul>
+  The initial value is \c NoMarks.
+  \sa tickmarks(), setTickInterval()
+*/
+
+void KPoti::setTickmarks( bool s )
+{
+    ticks = s;
+    initTicks();
+    update();
+}
+
+
+
+/*!
+  Sets the interval between tickmarks to \a i. This is a value interval,
+  not a pixel interval. If \a i is 0, the slider
+  will choose between lineStep() and pageStep(). The initial value of
+  tickInterval() is 0.
+  \sa tickInterval(), QRangeControl::lineStep(), QRangeControl::pageStep()
+*/
+
+void KPoti::setTickInterval( int i )
+{
+    tickInt = QMAX( 0, i );
+    update();
+}
+
+
+/*!
+  \fn int KPoti::tickInterval() const
+  Returns the interval between tickmarks. Returns 0 if the slider
+  chooses between pageStep() and lineStep().
+  \sa setTickInterval()
+*/
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kpoti.h b/arts/gui/kde/kpoti.h
new file mode 100644
index 00000000..a87b5162
--- /dev/null
+++ b/arts/gui/kde/kpoti.h
@@ -0,0 +1,136 @@
+/***************************************************************************
+                          kpoti.h  -  Potentiometer Widget
+                             -------------------
+    begin                : Wed Apr 28 23:05:05 MEST 1999
+
+    copyright            : (C) 1999 by Martin Lorenz
+    email                : lorenz@ch.tum.de
+                           (C) 2002 Matthias Kretz <kretz@kde.org>
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _KPOTI_H
+#define _KPOTI_H
+
+#include <qframe.h>
+#include <qrangecontrol.h>
+
+
+class QTimer;
+struct QPotiData;
+
+
+class KPoti : public QFrame, public QRangeControl
+{
+    Q_OBJECT
+public:
+
+    KPoti( QWidget *parent=0, const char *name=0 );
+    KPoti( int minValue, int maxValue, int step, int value,
+	     QWidget *parent=0, const char *name=0 );
+
+    ~KPoti();
+
+    void	setTracking( bool enable );
+    bool	tracking() const;
+
+    void 	setColor( const QColor & );
+
+    virtual void setTickmarks( bool );
+    virtual void setLabel( bool );
+    bool        tickmarks() const { return ticks; }
+
+    virtual void setTickInterval( int );
+    int 	tickInterval() const { return tickInt; }
+
+    virtual QSizePolicy sizePolicy() const;
+    virtual QSize sizeHint() const;
+    virtual QSize minimumSizeHint() const;
+    QString text() const;
+
+public slots:
+    void	setValue( int );
+    void	addStep();
+    void	subtractStep();
+    void	setText( const QString & );
+
+signals:
+    void	valueChanged( int value );
+    void	potiPressed();
+    void	potiMoved( int value );
+    void	potiReleased();
+    void  mouseEntered(int value);
+
+protected:
+    void	resizeEvent( QResizeEvent * );
+    void	drawContents( QPainter * );
+
+    void	keyPressEvent( QKeyEvent * );
+
+    void	mousePressEvent( QMouseEvent * );
+    void	mouseReleaseEvent( QMouseEvent * );
+    void	mouseMoveEvent( QMouseEvent * );
+    void  enterEvent( QEvent *);
+
+    void	focusInEvent( QFocusEvent *e );
+    void	focusOutEvent( QFocusEvent *e );
+
+    void	valueChange();
+    void	rangeChange();
+
+    virtual void paletteChange( const QPalette & );
+
+    virtual void paintPoti( QPainter * );
+    void	drawButton( QPainter *);
+    void	drawTicks( QPainter *, double, double, int=1 ) const;
+
+    virtual void wheelEvent(QWheelEvent *e);
+private slots:
+    void	repeatTimeout();
+
+private:
+    enum State { Idle, Dragging, TimingUp, TimingDown };
+
+    void	init(int value=0);
+    float      	positionFromValue( int ) const;
+    int		valueFromPosition( float ) const;
+    void	movePoti( float );
+    void	reallyMovePoti( float );
+    void	resetState();
+    int		potiRadius() const;
+    void	initTicks();
+
+    QTimer	*timer;
+    float	potiPos;
+    int		potiVal;
+    int 	clickOffset;
+    State	state;
+    bool	track;
+    bool	ticks, m_bLabel;
+    int		tickInt, space;
+    double buttonRadius;
+private:	// Disabled copy constructor and operator=
+    //    KPoti( const KPoti & ) {}
+    //KPoti &operator=( const KPoti & ) { return *this; }
+    struct KPotiPrivate;
+    KPotiPrivate * d;
+};
+
+inline bool KPoti::tracking() const
+{
+    return track;
+}
+
+
+#endif // _KPOTI_H
+
+
+
diff --git a/arts/gui/kde/kpoti_impl.cpp b/arts/gui/kde/kpoti_impl.cpp
new file mode 100644
index 00000000..10b0adb3
--- /dev/null
+++ b/arts/gui/kde/kpoti_impl.cpp
@@ -0,0 +1,203 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2001, 2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kpoti_impl.h"
+#include "kpoti_impl.moc"
+#include "anyref.h"
+#include "stdio.h"
+
+#include <math.h>
+
+using namespace Arts;
+using namespace std;
+
+PotiIntMapper::PotiIntMapper(KPoti_impl *impl, KPoti *kp)
+	: QObject( kp )
+	, impl( impl )
+{
+	connect(kp, SIGNAL(valueChanged(int)), this, SLOT(valueChanged(int)));
+}
+
+void PotiIntMapper::valueChanged(int pos)
+{
+	impl->valueChanged(pos);
+}
+
+KPoti_impl::KPoti_impl( KPoti * widget )
+	: KFrame_impl( widget ? widget : new KPoti( 0, 100, 1, 0 ) )
+{
+	_min = 0; _max = 1; _value = 0;
+	_factor = 1;
+	_logarithmic = 0;
+	_range = 100;
+
+	_kpoti = static_cast<KPoti*>( _qwidget );
+	( void )new PotiIntMapper( this, _kpoti );
+}
+
+string KPoti_impl::caption()
+{
+	return _kpoti->text().utf8().data();
+}
+
+void KPoti_impl::caption(const string& newText)
+{
+	_caption = QString::fromUtf8( newText.c_str() );
+	_kpoti->setText( _caption );
+}
+
+string KPoti_impl::color()
+{
+	return _color;
+}
+
+void KPoti_impl::color(const string& newColor)
+{
+	_color = newColor;
+    if(strlen(_color.c_str()))
+    {
+        QColor qc(_color.c_str());
+        _kpoti->setColor(qc);
+    }
+}
+
+float KPoti_impl::min()
+{
+	return _min;
+}
+
+void KPoti_impl::min(float newMin)
+{
+	if(_min != newMin)
+	{
+		_min = newMin;
+		applyValue();
+	}
+}
+
+float KPoti_impl::max()
+{
+	return _max;
+}
+
+void KPoti_impl::max(float newMax)
+{
+	if(_max != newMax)
+	{
+		_max = newMax;
+		applyValue();
+	}
+}
+
+float KPoti_impl::value()
+{
+	float ret = float(_kpoti->value()) / _factor;
+	if(_logarithmic > 0)
+		ret = convertFromLog(ret);
+	if(ret < _min)
+		ret = _min;
+	else if(ret > _max)
+		ret = _max;
+	return ret;
+}
+
+void KPoti_impl::value(float newValue)
+{
+	if(newValue != _value)
+	{
+		_value = newValue;
+		applyValue();
+		if(visible())
+			value_changed(value());
+	}
+}
+
+long KPoti_impl::range()
+{
+	return _range;
+}
+
+void KPoti_impl::range(long newRange)
+{
+	if(_range != newRange)
+	{
+		_range = newRange;
+		applyValue();
+	}
+}
+
+void KPoti_impl::valueChanged(int newvalue)
+{
+	_value = (float)newvalue / _factor;
+	if(_logarithmic > 0)
+		_value = convertFromLog(_value);
+	if(visible())
+		value_changed(value());
+}
+
+float KPoti_impl::convertToLog(float val)
+{
+	return log(val) / log(_logarithmic);
+}
+
+float KPoti_impl::convertFromLog(float val)
+{
+	return pow(_logarithmic, val);
+}
+
+void KPoti_impl::applyValue()
+{
+	double dmin = _min;
+	double dmax = _max;
+	double dvalue = _value;
+	if(_logarithmic > 0)
+	{
+		dmin = convertToLog(_min);
+		dmax = convertToLog(_max);
+		dvalue = convertToLog(_value);
+	}
+	_factor = _range / (dmax - dmin);
+	int imin = int(_factor * dmin);
+	int imax = int(_factor * dmax);
+	int ivalue = int(_factor * dvalue);
+	_kpoti->setRange(imin, imax);
+	_kpoti->setValue(ivalue);
+}
+
+void KPoti_impl::logarithmic(float newLogarithmic)
+{
+	if(_logarithmic != newLogarithmic)
+	{
+		_logarithmic = newLogarithmic;
+		applyValue();
+	}
+}
+
+float KPoti_impl::logarithmic()
+{
+	return _logarithmic;
+}
+
+REGISTER_IMPLEMENTATION(KPoti_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kpoti_impl.h b/arts/gui/kde/kpoti_impl.h
new file mode 100644
index 00000000..94b03a6f
--- /dev/null
+++ b/arts/gui/kde/kpoti_impl.h
@@ -0,0 +1,90 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2001, 2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KPOTI_IMPL_H
+#define ARTS_GUI_KPOTI_IMPL_H
+#include "kframe_impl.h"
+#include "kpoti.h"
+
+#include <qobject.h>
+#include <qstring.h>
+
+
+namespace Arts {
+
+class KPoti_impl;
+
+class PotiIntMapper :public QObject {
+	Q_OBJECT
+	KPoti_impl *impl;
+public:
+	PotiIntMapper(KPoti_impl *impl, KPoti *kp);
+public slots:
+	void valueChanged(int x);
+};
+
+class KPoti_impl : virtual public Arts::Poti_skel,
+                   public Arts::KFrame_impl
+{
+protected:
+	KPoti * _kpoti;
+	QString _caption;
+	std::string _color;
+	float _min, _max, _value;
+	float _factor;
+	float _logarithmic;
+	long _range;
+
+	float convertToLog(float);
+	float convertFromLog(float);
+	void applyValue();
+
+public:
+	KPoti_impl( KPoti * w = 0 );
+
+	std::string caption();
+	void caption(const std::string& newText);
+	std::string color();
+	void color(const std::string& newColor);
+
+	float logarithmic();
+	void logarithmic(float);
+
+	float min();
+	void min(float newMin);
+	float max();
+	void max(float newMax);
+	float value();
+	void value(float newValue);
+
+	long range();
+	void range(long newRange);
+
+	/* from qt */
+	void valueChanged(int newValue);
+};
+
+}
+#endif /* ARTS_GUI_KPOTI_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kspinbox_impl.cpp b/arts/gui/kde/kspinbox_impl.cpp
new file mode 100644
index 00000000..f97716c4
--- /dev/null
+++ b/arts/gui/kde/kspinbox_impl.cpp
@@ -0,0 +1,108 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kspinbox_impl.h"
+#include "kspinbox_impl.moc"
+#include "anyref.h"
+#include "stdio.h"
+
+using namespace Arts;
+using namespace std;
+
+SpinBoxIntMapper::SpinBoxIntMapper(KSpinBox_impl *impl, QSpinBox *sp)
+	:impl(impl)
+{
+	connect(sp, SIGNAL(valueChanged(int)), this, SLOT(valueChanged(int)));
+}
+
+void SpinBoxIntMapper::valueChanged(int pos)
+{
+	impl->valueChanged(pos);
+}
+
+KSpinBox_impl::KSpinBox_impl( QSpinBox * widget )
+	: KWidget_impl( widget ? widget : new QSpinBox )
+{
+	_min = 0; _max = 100; _value = 0;
+	_qspinbox = static_cast<QSpinBox*>( _qwidget );
+	_qspinbox->setRange( 0, 100 );
+	( void )new SpinBoxIntMapper( this, _qspinbox );
+}
+
+string KSpinBox_impl::caption()
+{
+	return _caption.utf8().data();
+}
+
+void KSpinBox_impl::caption(const string& newCaption)
+{
+	_caption = QString::fromUtf8(newCaption.c_str());
+	// FIXME: do something with the caption here
+}
+
+long KSpinBox_impl::min()
+{
+	return _min;
+}
+
+void KSpinBox_impl::min(long newMin)
+{
+	_min = newMin;
+	_qspinbox->setMinValue(newMin);
+}
+
+long KSpinBox_impl::max()
+{
+	return _max;
+}
+
+void KSpinBox_impl::max(long newMax)
+{
+	_max = newMax;
+	_qspinbox->setMaxValue(newMax);
+}
+
+long KSpinBox_impl::value()
+{
+	return _value;
+}
+
+void KSpinBox_impl::value(long newValue)
+{
+	if(newValue != _value)
+	{
+		_value = newValue;
+		_qspinbox->setValue(newValue);
+		if(visible())
+			value_changed(newValue);
+	}
+}
+
+void KSpinBox_impl::valueChanged(int newvalue)
+{
+	value(newvalue);
+}
+
+REGISTER_IMPLEMENTATION(KSpinBox_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kspinbox_impl.h b/arts/gui/kde/kspinbox_impl.h
new file mode 100644
index 00000000..b0af8bae
--- /dev/null
+++ b/arts/gui/kde/kspinbox_impl.h
@@ -0,0 +1,76 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                       2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KSPINBOX_IMPL_H
+#define ARTS_GUI_KSPINBOX_IMPL_H
+#include "kwidget_impl.h"
+
+#include <qspinbox.h>
+#include <qobject.h>
+#include <qstring.h>
+
+
+namespace Arts {
+
+class KSpinBox_impl;
+class SpinBoxIntMapper :public QObject {
+	Q_OBJECT
+	KSpinBox_impl *impl;
+public:
+	SpinBoxIntMapper(KSpinBox_impl *impl, QSpinBox *sp);
+public slots:
+	void valueChanged(int x);
+};
+
+class KSpinBox_impl : virtual public Arts::SpinBox_skel,
+                      public Arts::KWidget_impl
+{
+protected:
+	QSpinBox * _qspinbox;
+	QString _caption;
+	long _min, _max, _value;
+
+	void applyValue();
+
+public:
+	KSpinBox_impl( QSpinBox * w = 0 );
+	void constructor( Widget p ) { parent( p ); }
+
+	std::string caption();
+	void caption(const std::string& newCaption);
+
+	long min();
+	void min(long newMin);
+	long max();
+	void max(long newMax);
+	long value();
+	void value(long newValue);
+
+	/* from qt */
+	void valueChanged(int newValue);
+};
+
+}
+#endif /* ARTS_GUI_KSPINBOX_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/ktickmarks_impl.cpp b/arts/gui/kde/ktickmarks_impl.cpp
new file mode 100644
index 00000000..0aa0a01e
--- /dev/null
+++ b/arts/gui/kde/ktickmarks_impl.cpp
@@ -0,0 +1,179 @@
+/*
+    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 "ktickmarks_impl.h"
+
+#include <kdebug.h>
+#include <qpainter.h>
+#include <qfont.h>
+#include <qfontmetrics.h>
+
+KTickmarks_impl::KTickmarks_impl( QFrame* w ) : Arts::KFrame_impl( w ? w : new KTickmarks_Widget( 0 ) )
+{
+	//kdDebug()<<"KTickmarks_impl::KTickmarks_impl( QFrame* w="<<w<<" )"<<endl;
+	_tmwidget = static_cast<KTickmarks_Widget*>( _qwidget );
+}
+
+float KTickmarks_impl::min()             { return _tmwidget->dbmin; }
+void KTickmarks_impl::min( float n )     { _tmwidget->dbmin = n; }
+float KTickmarks_impl::max()             { return _tmwidget->dbmax; }
+void KTickmarks_impl::max( float n )     { _tmwidget->dbmax = n; }
+float KTickmarks_impl::minstep()         { return _tmwidget->minstep; }
+void KTickmarks_impl::minstep( float n ) { _tmwidget->minstep = n; }
+float KTickmarks_impl::substep()         { return _tmwidget->substep; }
+void KTickmarks_impl::substep( float n ) { _tmwidget->substep = n; }
+
+Arts::Direction KTickmarks_impl::direction()         { return _tmwidget->_dir; }
+void KTickmarks_impl::direction( Arts::Direction n ) { _tmwidget->_dir = n; }
+
+long KTickmarks_impl::position()         { return _tmwidget->_pos; }
+void KTickmarks_impl::position( long n ) { _tmwidget->_pos = n; }
+
+void KTickmarks_impl::constructor( float min, float max, Arts::Direction dir, long pos ) {
+	this->min( min ); this->max( max ); direction( dir ); position( pos );
+}
+
+KTickmarks_Widget::KTickmarks_Widget( KTickmarks_impl* impl, QWidget* p, const char* n ) : QFrame( p,n ), dB2VolCalc( -24, 0 ), _impl( impl ), _pos( Arts::posLeft ), _dir( Arts::BottomToTop ), minstep( 1 ), substep( 0.5 ) {
+	setMinimumSize( 20,20 );
+}
+
+void KTickmarks_Widget::drawContents( QPainter* p ) {
+	//kdDebug()<<"KTickmarks::drawContents( QPainter* "<<p<<" )"<<endl;
+	bool left=false, right=false;
+	if (  _pos&Arts::posLeft ) left=true;
+	if (  _pos&Arts::posRight ) right=true;
+	// Setting the font
+	QFont font;
+	font.setPixelSize( 8 /*font.pixelSize()/2*/ ); // Maybe this could be adjusted...
+	p->setFont( font );
+	// Determining the size of the largest text (currently the text at the minimum-scale)
+	QFontMetrics fontmetric( font );
+	QRect fontrect = fontmetric.boundingRect( QString::number( dbmin ) );
+	// Calculating stepsizes
+	float _minstepcount = ( dbmax-dbmin )/minstep;
+	float _minstep = minstep; // this value gets changed
+	float _substepcount = ( dbmax-dbmin )/substep;
+	float _substep = substep; // this value gets changed
+	// Calculating minimum size of the widget
+	int _minsize;
+	// Shorcuts
+	int w,h;
+	QColor colornormal = colorGroup().foreground();
+	QColor colordiff = colorGroup().buttonText();
+
+	if ( _dir == Arts::BottomToTop || _dir == Arts::TopToBottom ) {
+		p->translate( contentsRect().left(), contentsRect().bottom() );
+		// Calculating stepsizes
+		for ( int i=1; _minstepcount*( fontrect.height()+4 ) > contentsRect().height(); i++ ) {
+			_minstepcount = ( dbmax-dbmin ) / minstep / i;
+			_minstep = minstep*i;
+		}
+		while ( _substepcount*2 > contentsRect().height() ) { _substepcount/=2; _substep*=2; }
+		// Calculating minimum size of the widget
+		_minsize=fontrect.width()+4;
+		if ( left ) _minsize+=6;
+		if ( right ) _minsize+=6;
+		setMinimumWidth( _minsize + frameWidth() + 2 );
+//		setMaximumWidth( _minsize /*+6*/ );
+		w = contentsRect().width(); // Just a shortcut
+		h=0;
+		// Painting substep marks
+		p->setPen( QPen( colordiff, 1 ) );
+		for ( float i=dbmax; i>=dbmin; i-=_substep ) {
+			h = int( -contentsRect().height() * dbtondb( i ) );
+			if ( _dir==Arts::TopToBottom ) h = 1 - h;
+			if ( left ) p->drawLine( 0, h, 3, h );
+			if ( right ) p->drawLine( w-3, h, w, h );
+		}
+		// Painting step marks and texts
+		p->setPen( QPen( colornormal, 1 ) );
+		for ( float i=0; i>=dbmin; i-=_minstep ) {
+			h = int( -contentsRect().height() * dbtondb( i ) );
+			if ( _dir==Arts::TopToBottom ) h = 1 - h;
+			if ( left ) p->drawLine( 0, h, 6, h );
+			p->drawText( ( w - (left)*6 - (right)*6 - fontrect.width() )/2 + (left)*6
+			             , h-fontrect.height()/2,
+			             fontrect.width(), fontrect.height()+2,
+			             Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
+			if ( right ) p->drawLine( w-6, h, w, h );
+		}
+		for ( float i=_minstep; i<=dbmax; i+=_minstep ) {
+			h = int( -contentsRect().height() * dbtondb( i ) );
+			if ( _dir==Arts::TopToBottom ) h = 1 - h;
+			if ( left ) p->drawLine( 0, h, 6, h );
+			p->drawText( ( w - (left)*6 - (right)*6 - fontrect.width() )/2 + (left)*6
+			             , h-fontrect.height()/2,
+			             fontrect.width(), fontrect.height()+2,
+			             Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
+			if ( right ) p->drawLine( w-6, h, w, h );
+		}
+	} else {
+	//if ( _dir == Arts::LeftToRight || _dir == Arts::RightToLeft ) {
+		// Calculating stepsizes
+		for ( int i=1; _minstepcount*( fontrect.width()+4 ) > contentsRect().width(); i++ ) {
+			_minstepcount = ( dbmax-dbmin ) / minstep / i;
+			_minstep = minstep*i;
+		}
+		while ( _substepcount*2 > contentsRect().width() ) { _substepcount/=2; _substep*=2; }
+		// Calculating minimum size of the widget
+		_minsize=fontrect.height()+4;
+		if ( left ) _minsize+=6;
+		if ( right ) _minsize+=6;
+		setMinimumHeight( _minsize + frameWidth() + 2 );
+//		setMaximumHeight( _minsize /*+6*/ );
+		w = 0; // Just a shortcut
+		h = frameWidth() + contentsRect().height();
+		// Painting substep marks
+		p->setPen( QPen( colordiff, 1 ) );
+		for ( float i=dbmax; i>=dbmin; i-=_substep ) {
+			w = this->frameWidth()+ int( contentsRect().width() * dbtondb( i ) );
+			if ( _dir==Arts::RightToLeft ) w = 1 - w;
+			if ( left ) p->drawLine( w, frameWidth(), w, frameWidth() + 3 );
+			if ( right ) p->drawLine( w, h-3, w, h );
+		}
+		// Painting step marks and texts
+		p->setPen( QPen( colornormal, 1 ) );
+		for ( float i=0; i>=dbmin; i-=_minstep ) {
+			w = int( contentsRect().width() * dbtondb( i ) );
+			if ( _dir==Arts::RightToLeft ) w = 1 - w;
+			if ( left ) p->drawLine( w, 0, w, 6 );
+			p->drawText( w - fontrect.width()/2
+			             , ( h - (left)*6 - (right)*6 - fontrect.height() )/2 + (left)*6,
+			             fontrect.width(), fontrect.height()+2,
+			             Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
+			if ( right ) p->drawLine( w, h-6, w, h );
+		}
+		for ( float i=_minstep; i<=dbmax; i+=_minstep ) {
+			h = int( -contentsRect().height() * dbtondb( i ) );
+			if ( _dir==Arts::RightToLeft ) w = 1 - w;
+			if ( left ) p->drawLine( w, 0, w, 6 );
+			p->drawText( w - fontrect.width()/2
+			             , ( h - (left)*6 - (right)*6 - fontrect.height() )/2 + (left)*6,
+			             fontrect.width(), fontrect.height()+2,
+			             Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
+			if ( right ) p->drawLine( w, h-6, w, h );
+		}
+	}
+}
+
+REGISTER_IMPLEMENTATION( KTickmarks_impl );
+
+#include "ktickmarks_impl.moc"
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/ktickmarks_impl.h b/arts/gui/kde/ktickmarks_impl.h
new file mode 100644
index 00000000..5974cf0f
--- /dev/null
+++ b/arts/gui/kde/ktickmarks_impl.h
@@ -0,0 +1,76 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KLEVELMETER_TICKMARKS_H
+#define ARTS_KLEVELMETER_TICKMARKS_H
+
+#include <qframe.h>
+#include <math.h>
+
+#include "artsgui.h"
+
+#include "kframe_impl.h"
+
+#include <dbvolcalc.h>
+
+class KTickmarks_Widget;
+
+class KTickmarks_impl : virtual public Arts::Tickmarks_skel,
+                        virtual public Arts::KFrame_impl
+{
+public:
+	KTickmarks_impl( QFrame* =0 );
+
+	float min();
+	void min( float );
+	float max();
+	void max( float );
+
+	float minstep();
+	void minstep( float );
+	float substep();
+	void substep( float );
+
+	Arts::Direction direction();
+	void direction( Arts::Direction );
+
+	long position();
+	void position( long );
+
+	void constructor( float min, float max, Arts::Direction, long );
+private:
+	KTickmarks_Widget* _tmwidget;
+};
+
+class KTickmarks_Widget : public QFrame, public dB2VolCalc {
+   Q_OBJECT
+private:
+	KTickmarks_impl* _impl;
+public:
+	KTickmarks_Widget( KTickmarks_impl*, QWidget* =0, const char* =0 );
+	void drawContents( QPainter* );
+	long _pos;
+	Arts::Direction _dir;
+
+	float minstep, substep;
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kvbox_impl.cpp b/arts/gui/kde/kvbox_impl.cpp
new file mode 100644
index 00000000..0b737e78
--- /dev/null
+++ b/arts/gui/kde/kvbox_impl.cpp
@@ -0,0 +1,51 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                       2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kvbox_impl.h"
+#include <qvbox.h>
+
+using namespace Arts;
+
+KVBox_impl::KVBox_impl( QVBox * widget )
+	: KFrame_impl( widget ? widget : new QVBox )
+	, _spacing( 5 )
+{
+	_qvbox = static_cast<QVBox*>( _qwidget );
+	_qvbox->setSpacing( _spacing );
+	_qvbox->setMargin( 5 );
+}
+
+long KVBox_impl::spacing()
+{
+	return _spacing;
+}
+
+void KVBox_impl::spacing( long s )
+{
+	_spacing = s;
+	_qvbox->setSpacing( s );
+}
+
+REGISTER_IMPLEMENTATION(KVBox_impl);
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kvbox_impl.h b/arts/gui/kde/kvbox_impl.h
new file mode 100644
index 00000000..9358d90e
--- /dev/null
+++ b/arts/gui/kde/kvbox_impl.h
@@ -0,0 +1,48 @@
+    /*
+
+    Copyright (C) 2000,2001 Stefan Westerfeld
+                            stefan@space.twc.de
+                       2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+
+    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 "kframe_impl.h"
+
+class QVBox;
+
+namespace Arts {
+
+class KVBox_impl : virtual public Arts::VBox_skel,
+                   public Arts::KFrame_impl
+{
+private:
+	long _spacing;
+
+protected:
+	QVBox * _qvbox;
+
+public:
+	KVBox_impl( QVBox * w = 0 );
+
+	long spacing();
+	void spacing( long );
+};
+
+}
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kvolumefader_impl.cpp b/arts/gui/kde/kvolumefader_impl.cpp
new file mode 100644
index 00000000..f3d09a0b
--- /dev/null
+++ b/arts/gui/kde/kvolumefader_impl.cpp
@@ -0,0 +1,243 @@
+/*
+    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 "kvolumefader_impl.h"
+
+#include <kdebug.h>
+#include <qpainter.h>
+#include <qstyle.h>
+#include <qfont.h>
+#include <qfontmetrics.h>
+#include <kglobalsettings.h>
+#include <klocale.h>
+#include <kpopupmenu.h>
+#include <kaction.h>
+#include <kinputdialog.h>
+
+KVolumeFader_impl::KVolumeFader_impl( QFrame* w )
+  : Arts::KFrame_impl( w ? w : new KVolumeFader_Widget( 0 ) )
+  , dB2VolCalc( -36, 6 )
+  , _dir( Arts::BottomToTop )
+  , dbmin_inupdate( false )
+  , dbmax_inupdate( false )
+  , direction_inupdate( false )
+  , ignoreUpdates( 0 )
+{
+	//kdDebug()<<"KVolumeFader_impl::KVolumeFader_impl( QFrame* w="<<w<<" )"<<endl;
+	_vfwidget = static_cast<KVolumeFader_Widget*>( _qwidget );
+	_vfwidget->setImpl( this );
+}
+
+KVolumeFader_impl::~KVolumeFader_impl() {
+}
+
+float KVolumeFader_impl::dbmin() { return dB2VolCalc::dbmin; }
+void KVolumeFader_impl::dbmin( float n ) {
+	if ( n != dB2VolCalc::dbmin && !dbmin_inupdate ) {
+		dbmin_inupdate = true;
+		dB2VolCalc::dbmin = n;
+		dbmin_changed( dbmin() );
+		dbmin_inupdate = false;
+	}
+}
+float KVolumeFader_impl::dbmax() { return dB2VolCalc::dbmax; }
+void KVolumeFader_impl::dbmax( float n ) {
+	if ( n != dB2VolCalc::dbmax && !dbmax_inupdate ) {
+		dbmax_inupdate = true;
+		dB2VolCalc::dbmax = n;
+		dbmax_changed( dbmax() );
+		dbmax_inupdate = false;
+	}
+}
+
+Arts::Direction KVolumeFader_impl::direction() { return _dir; }
+void KVolumeFader_impl::direction( Arts::Direction n ) {
+	if ( n != _dir && !direction_inupdate ) {
+		direction_inupdate = true;
+		_dir = n;
+		_vfwidget->setDirection( _dir );
+//		direction_changed( direction() );
+		direction_inupdate = false;
+	}
+}
+
+float KVolumeFader_impl::volume() { return _volume; }
+void KVolumeFader_impl::volume( float n ) {
+	//kdDebug() << k_funcinfo << n << " ignore: " << ignoreUpdates << endl;
+	if ( ignoreUpdates > 0 ) {
+		--ignoreUpdates;
+		return;
+	}
+	_volume = n;
+	_vfwidget->setValue( amptondb( _volume ) );
+}
+
+float KVolumeFader_impl::dbvolume() { return amptodb( _volume ); }
+void KVolumeFader_impl::dbvolume( float n ) {
+	//kdDebug() << k_funcinfo << n << endl;
+	normalizedvolume( dbtondb( n ) );
+}
+
+void KVolumeFader_impl::normalizedvolume( float n ) {
+	if ( ( ndbtodb( n ) > dbmin() ) && ( ndbtodb( n ) < dbmax() ) ) {
+		float amp = ndbtoamp( n );
+		if ( amp != _volume ) {
+			++ignoreUpdates;
+			//kdDebug() << k_funcinfo << ignoreUpdates << endl;
+			_volume = amp;
+			_vfwidget->setValue( n );
+			volume_changed( _volume );
+		}
+	}
+}
+
+void KVolumeFader_impl::constructor( float dbmin, float dbmax, Arts::Direction dir ) {
+	this->dbmin( dbmin ); this->dbmax( dbmax ); direction( dir );
+}
+
+
+
+KVolumeFader_Widget::KVolumeFader_Widget( QWidget* p, const char* n )
+  : QFrame( p,n )
+  , _impl( 0 )
+  , _inupdate( false )
+  , _value( -1 )
+  , _dir( Arts::BottomToTop )
+  , _menu( new KPopupMenu( this ) )
+  , _aExactValue( new KAction( i18n( "Set Exact Value..." ), KShortcut(), this, SLOT( exactValue() ), this ) )
+{
+	//kdDebug() << k_funcinfo << endl;
+	setMinimumSize( 10,10 );
+	_aExactValue->plug( _menu );
+}
+
+void KVolumeFader_Widget::setImpl( KVolumeFader_impl* n ) { _impl = n; update(); }
+
+KVolumeFader_Widget::~KVolumeFader_Widget() {
+	//kdDebug() << k_funcinfo << endl;
+}
+
+void KVolumeFader_Widget::setDirection( Arts::Direction n ) { _dir = n; update(); }
+
+void KVolumeFader_Widget::setValue( float n ) {
+	//kdDebug() << k_funcinfo << n << endl;
+	if ( n != _value ) {
+		_value = n;
+		update();
+	}
+}
+
+QColor KVolumeFader_Widget::interpolate(  QColor low, QColor high, float percent ) {
+	if (  percent<=0 ) return low; else
+	if (  percent>=1 ) return high; else
+		return QColor(
+			int( low.red() + ( high.red()-low.red() ) * percent ),
+			int( low.green() + ( high.green()-low.green() ) * percent ),
+			int( low.blue() + ( high.blue()-low.blue() ) * percent ) );
+}
+
+void KVolumeFader_Widget::drawContents( QPainter* p ){
+	if ( _dir==Arts::BottomToTop || _dir==Arts::BottomToTop ) {
+		float h;
+		if ( _dir==Arts::BottomToTop ) h = contentsRect().height() * ( 1 - _value );
+			else h = contentsRect().height() * _value;
+		for ( int i=int( h ); i<contentsRect().height(); i++ ) {
+			p->setPen( interpolate( colorGroup().light(), colorGroup().highlight(), float( i )/contentsRect().height() ) );
+			p->drawLine( contentsRect().left(), this->frameWidth() + i, contentsRect().right(), this->frameWidth() + i );
+		}
+		p->setPen( colorGroup().dark() );
+		p->drawLine( contentsRect().left(), this->frameWidth() + int( h ), contentsRect().right(), this->frameWidth() + int( h ) );
+	} else {
+		float w;
+		p->translate( this->width(),0 );
+		if ( _dir==Arts::LeftToRight ) w = - contentsRect().width() * ( 1 - _value );
+			else w = - contentsRect().width() * _value;
+		for ( int i=int( w ); i>=-contentsRect().width(); i-- ) {
+			p->setPen( interpolate( colorGroup().light(), colorGroup().highlight(), float( -i )/contentsRect().width() ) );
+			p->drawLine( this->frameWidth() + i, contentsRect().top(), this->frameWidth() + i, contentsRect().bottom() );
+		}
+		p->setPen( colorGroup().dark() );
+		p->drawLine( this->frameWidth() + int( w ), contentsRect().top(), this->frameWidth() + int( w ), contentsRect().bottom() );
+	}
+}
+
+void KVolumeFader_Widget::mousePressEvent( QMouseEvent* ){
+	//kdDebug() << k_funcinfo << endl;
+}
+
+void KVolumeFader_Widget::mouseReleaseEvent( QMouseEvent* qme ){
+	bool setValue = false;
+	if ( KGlobalSettings::mouseSettings().handed == 0 && qme->button() == Qt::LeftButton ) setValue=true;
+	if ( KGlobalSettings::mouseSettings().handed == 1 && qme->button() == Qt::RightButton ) setValue=true;
+	if ( setValue )
+	{
+		switch ( _dir ) {
+			default:
+			case Arts::BottomToTop:
+				if ( _impl ) _impl->normalizedvolume( 1 - float( qme->y() ) / contentsRect().height() );
+				break;
+			case Arts::TopToBottom:
+				if ( _impl ) _impl->normalizedvolume( float( qme->y() ) / contentsRect().height() );
+				break;
+			case Arts::LeftToRight:
+				if ( _impl ) _impl->normalizedvolume( float( qme->x() ) / contentsRect().width() );
+				break;
+			case Arts::RightToLeft:
+				if ( _impl ) _impl->normalizedvolume( 1 - float( qme->x() ) / contentsRect().width() );
+				break;
+		}
+	} else _menu->exec( qme->globalPos() );
+}
+
+void KVolumeFader_Widget::mouseMoveEvent( QMouseEvent* qme ){
+	switch ( _dir ) {
+		default:
+		case Arts::BottomToTop:
+			if ( _impl ) _impl->normalizedvolume( 1 - float( qme->y() ) / contentsRect().height() );
+			break;
+		case Arts::TopToBottom:
+			if ( _impl ) _impl->normalizedvolume( float( qme->y() ) / contentsRect().height() );
+			break;
+		case Arts::LeftToRight:
+			if ( _impl ) _impl->normalizedvolume( float( qme->x() ) / contentsRect().width() );
+			break;
+		case Arts::RightToLeft:
+			if ( _impl ) _impl->normalizedvolume( 1 - float( qme->x() ) / contentsRect().width() );
+			break;
+	}
+}
+
+void KVolumeFader_Widget::wheelEvent( QWheelEvent* qwe ){
+	//kdDebug() << k_funcinfo << endl;
+	if ( qwe->delta() < 0 ) { if ( _impl ) _impl->normalizedvolume( _impl->dbtondb( _impl->dbvolume() - 1 ) ); }
+	if ( qwe->delta() > 0 ) { if ( _impl ) _impl->normalizedvolume( _impl->dbtondb( _impl->dbvolume() + 1 ) ); }
+}
+
+void KVolumeFader_Widget::exactValue() {
+	//kdDebug() << k_funcinfo << endl;
+	bool ok=false;
+	double n = KInputDialog::getDouble( i18n( "Set Exact Volume Value" ), i18n( "Exact volume (dB):" ), _impl->dbvolume(), _impl->dbmin(), _impl->dbmax(), 1, &ok, this );
+	if ( ok ) _impl->dbvolume( n );
+}
+
+REGISTER_IMPLEMENTATION( KVolumeFader_impl );
+
+#include "kvolumefader_impl.moc"
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kvolumefader_impl.h b/arts/gui/kde/kvolumefader_impl.h
new file mode 100644
index 00000000..31ac438b
--- /dev/null
+++ b/arts/gui/kde/kvolumefader_impl.h
@@ -0,0 +1,97 @@
+/*
+    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.
+
+*/
+
+#ifndef ARTS_KVOLUMEFADER_TICKMARKS_H
+#define ARTS_KVOLUMEFADER_TICKMARKS_H
+
+#include <qframe.h>
+#include <math.h>
+
+#include "artsgui.h"
+
+#include "kframe_impl.h"
+
+#include <dbvolcalc.h>
+
+class KVolumeFader_Widget;
+
+class KVolumeFader_impl : virtual public Arts::VolumeFader_skel,
+                          virtual public Arts::KFrame_impl,
+                          public dB2VolCalc
+{
+public:
+	KVolumeFader_impl( QFrame* =0 );
+	~KVolumeFader_impl();
+
+	float dbmin();
+	void dbmin( float );
+	float dbmax();
+	void dbmax( float );
+
+	Arts::Direction direction();
+	void direction( Arts::Direction );
+
+	float volume();
+	void volume( float );
+	float dbvolume();
+	void dbvolume( float );
+
+	void normalizedvolume( float );
+
+	void constructor( float min, float max, Arts::Direction dir );
+private:
+	KVolumeFader_Widget* _vfwidget;
+	Arts::Direction _dir;
+	bool dbmin_inupdate, dbmax_inupdate, direction_inupdate;
+	float _min, _max, _volume;
+	int ignoreUpdates;
+};
+
+class KPopupMenu;
+class KAction;
+
+class KVolumeFader_Widget : public QFrame {
+   Q_OBJECT
+private:
+	KVolumeFader_impl* _impl;
+	bool _inupdate;
+	float _value;
+	Arts::Direction _dir;
+	KPopupMenu *_menu;
+	KAction *_aExactValue;
+	QColor interpolate( QColor, QColor, float );
+public:
+	KVolumeFader_Widget( QWidget* =0, const char* =0 );
+	~KVolumeFader_Widget();
+	void setImpl( KVolumeFader_impl* );
+	void setValue( float );
+	void setDirection( Arts::Direction );
+protected:
+	void drawContents( QPainter* );
+	void mousePressEvent( QMouseEvent* );
+	void mouseReleaseEvent( QMouseEvent* );
+	void mouseMoveEvent( QMouseEvent* );
+	void wheelEvent( QWheelEvent* );
+private slots:
+	void exactValue();
+};
+
+#endif
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kwidget_impl.cpp b/arts/gui/kde/kwidget_impl.cpp
new file mode 100644
index 00000000..261cf30b
--- /dev/null
+++ b/arts/gui/kde/kwidget_impl.cpp
@@ -0,0 +1,181 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kwidget_impl.h"
+#include "kwidgetrepo.h"
+#include "debug.h"
+#include <stdio.h>
+
+using namespace Arts;
+
+KWidget_impl::KWidget_impl( QWidget * widget )
+	: _qwidget( widget ? widget : new QWidget )
+{
+	_widgetID = KWidgetRepo::the()->add( this, _qwidget );
+
+	/*
+	 * KWidgetGuard will protect us against deleting the widget if Qt already
+	 * has done so (for instance if our widget was inside a panel, and
+	 * the panel got deleted, our widget will be gone, too)
+	 */
+	_guard = new KWidgetGuard(this);
+	QObject::connect(_qwidget, SIGNAL(destroyed()),
+			_guard, SLOT(widgetDestroyed()));
+}
+
+KWidget_impl::~KWidget_impl()
+{
+	if(_qwidget)
+	{
+		delete _qwidget;
+		arts_assert(_qwidget == 0);	// should be true due to KWidgetGuard
+	}
+	delete _guard;
+}
+
+void KWidget_impl::widgetDestroyed()
+{
+	KWidgetRepo::the()->remove(_widgetID);
+	_widgetID = 0;
+	_qwidget = 0;
+}
+
+long KWidget_impl::widgetID()
+{
+	return _widgetID;
+}
+
+Widget KWidget_impl::parent()
+{
+	return KWidgetRepo::the()->lookupWidget(_parentID);
+}
+
+void KWidget_impl::parent(Arts::Widget newParent)
+{
+	if(!newParent.isNull())
+	{
+		_parentID = newParent.widgetID();
+
+		QWidget *qparent;
+		qparent = KWidgetRepo::the()->lookupQWidget(newParent.widgetID());
+		if( qparent != 0 )
+		{
+			QPoint pos(x(),y());
+			bool showIt = visible();
+			_qwidget->reparent(qparent, pos, showIt);
+		}
+	}
+	else
+	{
+		_parentID = 0;
+	}
+}
+
+long KWidget_impl::x()
+{
+	return _qwidget->x();
+}
+
+void KWidget_impl::x(long newX)
+{
+	_qwidget->move(newX,y());
+}
+
+long KWidget_impl::y()
+{
+	return _qwidget->y();
+}
+
+void KWidget_impl::y(long newY)
+{
+	_qwidget->move(x(),newY);
+}
+
+long KWidget_impl::width()
+{
+	return _qwidget->width();
+}
+
+void KWidget_impl::width(long newWidth)
+{
+	_qwidget->resize(newWidth,height());
+}
+
+long KWidget_impl::height()
+{
+	return _qwidget->height();
+}
+
+void KWidget_impl::height(long newHeight)
+{
+	_qwidget->resize(width(),newHeight);
+}
+
+bool KWidget_impl::visible()
+{
+	return _qwidget->isVisible();
+}
+
+void KWidget_impl::visible(bool newVisible)
+{
+	if(newVisible) show(); else hide();
+}
+
+SizePolicy KWidget_impl::hSizePolicy()
+{
+	return ( SizePolicy )_qwidget->sizePolicy().horData();
+}
+
+void KWidget_impl::hSizePolicy( SizePolicy p )
+{
+	QSizePolicy sp = _qwidget->sizePolicy();
+	sp.setHorData( ( QSizePolicy::SizeType )p );
+	_qwidget->setSizePolicy( sp );
+}
+
+SizePolicy KWidget_impl::vSizePolicy()
+{
+	return ( SizePolicy )_qwidget->sizePolicy().verData();
+}
+
+void KWidget_impl::vSizePolicy( SizePolicy p )
+{
+	QSizePolicy sp = _qwidget->sizePolicy();
+	sp.setVerData( ( QSizePolicy::SizeType )p );
+	_qwidget->setSizePolicy( sp );
+}
+
+void KWidget_impl::show()
+{
+	_qwidget->show();
+}
+
+void KWidget_impl::hide()
+{
+	_qwidget->hide();
+}
+
+REGISTER_IMPLEMENTATION(KWidget_impl);
+#include "kwidget_impl.moc"
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kwidget_impl.h b/arts/gui/kde/kwidget_impl.h
new file mode 100644
index 00000000..b94f1a8d
--- /dev/null
+++ b/arts/gui/kde/kwidget_impl.h
@@ -0,0 +1,88 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+                  2002 Matthias Kretz <kretz@kde.org>
+
+    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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef ARTS_GUI_KWIDGET_IMPL_H
+#define ARTS_GUI_KWIDGET_IMPL_H
+#include "artsgui.h"
+#include <qwidget.h>
+#include <kwidgetrepo.h>
+#include <kdelibs_export.h>
+
+namespace Arts {
+
+class KWidgetGuard;
+class KDE_EXPORT KWidget_impl : virtual public Arts::Widget_skel {
+protected:
+	QWidget * _qwidget;
+	KWidgetGuard * _guard;
+	long _parentID;
+	long _widgetID;
+public:
+	KWidget_impl( QWidget * w = 0 );
+
+	~KWidget_impl();
+
+	long widgetID();
+	Widget parent();
+	void parent(Arts::Widget);
+	long x();
+	void x(long newX);
+	long y();
+	void y(long newY);
+	long width();
+	void width(long newWidth);
+	long height();
+	void height(long newHeight);
+
+	bool visible();
+	void visible(bool newVisible);
+
+	SizePolicy hSizePolicy();
+	void hSizePolicy( SizePolicy );
+	SizePolicy vSizePolicy();
+	void vSizePolicy( SizePolicy );
+
+	void show();
+	void hide();
+
+	void widgetDestroyed();
+};
+
+class KWidgetGuard : public QObject {
+	Q_OBJECT
+protected:
+	KWidget_impl *impl;
+
+public:
+	KWidgetGuard(KWidget_impl *impl) : impl(impl) { }
+
+public slots:
+	void widgetDestroyed() {
+		impl->widgetDestroyed();
+	}
+};
+
+}
+#endif /* ARTS_GUI_KWIDGET_IMPL_H */
+
+// vim: sw=4 ts=4
diff --git a/arts/gui/kde/kwidgetrepo.cpp b/arts/gui/kde/kwidgetrepo.cpp
new file mode 100644
index 00000000..43dd122d
--- /dev/null
+++ b/arts/gui/kde/kwidgetrepo.cpp
@@ -0,0 +1,89 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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 "kwidgetrepo.h"
+#include "kwidget_impl.h"
+#include <startupmanager.h>
+
+using namespace Arts;
+
+class KWidgetRepoShutdown : public StartupClass {
+public:
+	void startup() {};
+	void shutdown()
+	{
+		KWidgetRepo::shutdown();
+	}
+};
+
+KWidgetRepo *KWidgetRepo::instance = 0;
+
+KWidgetRepo *KWidgetRepo::the()
+{
+	if(!instance)
+		instance = new KWidgetRepo();
+	return instance;
+}
+
+void KWidgetRepo::shutdown()
+{
+	if(instance)
+	{
+		delete instance;
+		instance = 0;
+	}
+}
+
+KWidgetRepo::KWidgetRepo()
+	: nextID(1)
+{
+}
+
+KWidgetRepo::~KWidgetRepo()
+{
+}
+
+
+long KWidgetRepo::add(KWidget_impl *widget, QWidget *qwidget)
+{
+	long ID = nextID++;
+	widgets[ID] = widget;
+	qwidgets[ID] = qwidget;
+	return ID;
+}
+
+QWidget *KWidgetRepo::lookupQWidget(long ID)
+{
+	return qwidgets[ID];
+}
+
+Widget KWidgetRepo::lookupWidget(long ID)
+{
+	if(qwidgets[ID]) /* check existence */
+		return Arts::Widget::_from_base(widgets[ID]->_copy());
+	return Arts::Widget::null();
+}
+
+void KWidgetRepo::remove(long ID)
+{
+	widgets.erase(ID);
+}
diff --git a/arts/gui/kde/kwidgetrepo.h b/arts/gui/kde/kwidgetrepo.h
new file mode 100644
index 00000000..e60cc011
--- /dev/null
+++ b/arts/gui/kde/kwidgetrepo.h
@@ -0,0 +1,56 @@
+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.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; either
+    version 2 of the License, or (at your option) any later version.
+  
+    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.
+
+    */
+
+#ifndef KWIDGETREPO_H
+#define KWIDGETREPO_H
+
+#include <map>
+#include <qwidget.h>
+#include <weakreference.h>
+#include "artsgui.h"
+
+namespace Arts {
+	class KWidget_impl;
+}
+
+class KWidgetRepo {
+protected:
+	long nextID;
+	std::map<long, QWidget *> qwidgets;
+	std::map<long, Arts::KWidget_impl *> widgets;
+	static KWidgetRepo *instance;
+
+	KWidgetRepo();
+	~KWidgetRepo();
+
+public:
+
+	long add(Arts::KWidget_impl *widget, QWidget *qwidget);
+	Arts::Widget lookupWidget(long ID);
+	QWidget *lookupQWidget(long ID);
+	void remove(long ID);
+
+	static KWidgetRepo *the();
+	static void shutdown();
+};
+
+#endif /* KWIDGETREPO_H */
diff --git a/arts/gui/kde/mcopclass/Button.mcopclass b/arts/gui/kde/mcopclass/Button.mcopclass
new file mode 100644
index 00000000..d5e06c30
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Button.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Button,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Fader.mcopclass b/arts/gui/kde/mcopclass/Fader.mcopclass
new file mode 100644
index 00000000..4071180d
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Fader.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Fader,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Graph.mcopclass b/arts/gui/kde/mcopclass/Graph.mcopclass
new file mode 100644
index 00000000..f1d98d3a
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Graph.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Graph,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/GraphLine.mcopclass b/arts/gui/kde/mcopclass/GraphLine.mcopclass
new file mode 100644
index 00000000..57b48f2c
--- /dev/null
+++ b/arts/gui/kde/mcopclass/GraphLine.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::GraphLine,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/HBox.mcopclass b/arts/gui/kde/mcopclass/HBox.mcopclass
new file mode 100644
index 00000000..fce0f113
--- /dev/null
+++ b/arts/gui/kde/mcopclass/HBox.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::HBox,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Label.mcopclass b/arts/gui/kde/mcopclass/Label.mcopclass
new file mode 100644
index 00000000..2bad3990
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Label.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Label,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/LayoutBox.mcopclass b/arts/gui/kde/mcopclass/LayoutBox.mcopclass
new file mode 100644
index 00000000..48292c85
--- /dev/null
+++ b/arts/gui/kde/mcopclass/LayoutBox.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::LayoutBox,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/LevelMeter.mcopclass b/arts/gui/kde/mcopclass/LevelMeter.mcopclass
new file mode 100644
index 00000000..77f804b9
--- /dev/null
+++ b/arts/gui/kde/mcopclass/LevelMeter.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::LevelMeter,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/LineEdit.mcopclass b/arts/gui/kde/mcopclass/LineEdit.mcopclass
new file mode 100644
index 00000000..69b68703
--- /dev/null
+++ b/arts/gui/kde/mcopclass/LineEdit.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::LineEdit,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Makefile.am b/arts/gui/kde/mcopclass/Makefile.am
new file mode 100644
index 00000000..fac44b22
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Makefile.am
@@ -0,0 +1,5 @@
+mcopclassdir = $(libdir)/mcop/Arts
+mcopclass_DATA = Widget.mcopclass Button.mcopclass Poti.mcopclass \
+	LineEdit.mcopclass HBox.mcopclass VBox.mcopclass SpinBox.mcopclass \
+	Fader.mcopclass GraphLine.mcopclass LayoutBox.mcopclass \
+	PopupBox.mcopclass LevelMeter.mcopclass Label.mcopclass
diff --git a/arts/gui/kde/mcopclass/PopupBox.mcopclass b/arts/gui/kde/mcopclass/PopupBox.mcopclass
new file mode 100644
index 00000000..5ac282d1
--- /dev/null
+++ b/arts/gui/kde/mcopclass/PopupBox.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::PopupBox,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Poti.mcopclass b/arts/gui/kde/mcopclass/Poti.mcopclass
new file mode 100644
index 00000000..cae9a5e9
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Poti.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Poti,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/SpinBox.mcopclass b/arts/gui/kde/mcopclass/SpinBox.mcopclass
new file mode 100644
index 00000000..68cfc5eb
--- /dev/null
+++ b/arts/gui/kde/mcopclass/SpinBox.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::SpinBox,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/VBox.mcopclass b/arts/gui/kde/mcopclass/VBox.mcopclass
new file mode 100644
index 00000000..b32c302e
--- /dev/null
+++ b/arts/gui/kde/mcopclass/VBox.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::VBox,Arts::Frame,Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui
diff --git a/arts/gui/kde/mcopclass/Widget.mcopclass b/arts/gui/kde/mcopclass/Widget.mcopclass
new file mode 100644
index 00000000..54a6e91f
--- /dev/null
+++ b/arts/gui/kde/mcopclass/Widget.mcopclass
@@ -0,0 +1,5 @@
+Buildable=true
+Interface=Arts::Widget,Arts::Object
+Language=C++
+Library=libartsgui_kde.la
+Requires=kdegui