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/*
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
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