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lmms/include/envelope_tab_widget.h

111 lines
2.5 KiB
C++

/*
* envelope_tab_widget.h - declaration of class envelopeTabWidget which
* provides UI- and DSP-code for using envelopes, LFOs
* and a filter
*
* Copyright (c) 2004-2007 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef _ENVELOPE_TAB_WIDGET_H
#define _ENVELOPE_TAB_WIDGET_H
#include "qt3support.h"
#ifdef QT4
#include <QtGui/QWidget>
#else
#include <qwidget.h>
#endif
#include "mixer.h"
class QLabel;
class instrumentTrack;
class comboBox;
class envelopeAndLFOWidget;
class groupBox;
class knob;
class notePlayHandle;
class pixmapButton;
class tabWidget;
class envelopeTabWidget : public QWidget, public journallingObject
{
Q_OBJECT
public:
envelopeTabWidget( instrumentTrack * _channel_track );
virtual ~envelopeTabWidget();
void FASTCALL processAudioBuffer( sampleFrame * _ab,
const fpp_t _frames,
notePlayHandle * _n );
enum targets
{
VOLUME,
/* PANNING,
PITCH,*/
CUT,
RES,
TARGET_COUNT
} ;
f_cnt_t envFrames( const bool _only_vol = FALSE );
f_cnt_t releaseFrames( const bool _only_vol = FALSE );
float FASTCALL volumeLevel( notePlayHandle * _n, const f_cnt_t _frame );
virtual void FASTCALL saveSettings( QDomDocument & _doc,
QDomElement & _parent );
virtual void FASTCALL loadSettings( const QDomElement & _this );
inline virtual QString nodeName( void ) const
{
return( "eldata" );
}
private:
tabWidget * m_targetsTabWidget;
envelopeAndLFOWidget * m_envLFOWidgets[TARGET_COUNT];
instrumentTrack * m_instrumentTrack;
// filter-stuff
groupBox * m_filterGroupBox;
comboBox * m_filterComboBox;
knob * m_filterCutKnob;
knob * m_filterResKnob;
friend class flpImport;
} ;
#endif