Patman.h

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/*
 * Patman.h - header for a GUS-compatible patch instrument plugin
 *
 * Copyright (c) 2007-2008 Javier Serrano Polo <jasp00/at/users.sourceforge.net>
 * 
 * This file is part of LMMS - https://lmms.io
 *
 * 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 PATMAN_H
#define PATMAN_H
 
#include "Instrument.h"
#include "InstrumentView.h"
#include "Sample.h"
#include "AutomatableModel.h"
 
namespace lmms
{
 
namespace gui
{
class PixmapButton;
class PatmanView;
} // namespace gui
 
 
#define MODES_16BIT     ( 1 << 0 )
#define MODES_UNSIGNED  ( 1 << 1 )
#define MODES_LOOPING   ( 1 << 2 )
#define MODES_PINGPONG  ( 1 << 3 )
#define MODES_REVERSE   ( 1 << 4 )
#define MODES_SUSTAIN   ( 1 << 5 )
#define MODES_ENVELOPE  ( 1 << 6 )
#define MODES_CLAMPED   ( 1 << 7 )
 
 
class PatmanInstrument : public Instrument
{
        Q_OBJECT
public:
        PatmanInstrument( InstrumentTrack * _track );
        ~PatmanInstrument() override;
 
        void playNote( NotePlayHandle * _n,
                                                SampleFrame* _working_buffer ) override;
        void deleteNotePluginData( NotePlayHandle * _n ) override;
 
 
        void saveSettings( QDomDocument & _doc, QDomElement & _parent ) override;
        void loadSettings( const QDomElement & _this ) override;
 
        void loadFile( const QString & _file ) override;
 
        QString nodeName() const override;
 
        float desiredReleaseTimeMs() const override
        {
                return 3.f;
        }
 
        gui::PluginView* instantiateView( QWidget * _parent ) override;
 
 
public slots:
        void setFile( const QString & _patch_file, bool _rename = true );
 
 
private:
        struct handle_data
        {
                Sample::PlaybackState* state;
                bool tuned;
                std::shared_ptr<Sample> sample;
        };
 
        QString m_patchFile;
        QVector<std::shared_ptr<Sample>> m_patchSamples;
        BoolModel m_loopedModel;
        BoolModel m_tunedModel;
 
 
        enum class LoadError
        {
                OK,
                Open,
                NotGUS,
                Instruments,
                Layers,
                IO
        } ;
 
        LoadError loadPatch( const QString & _filename );
        void unloadCurrentPatch();
 
        void selectSample( NotePlayHandle * _n );
 
 
        friend class gui::PatmanView;
 
signals:
        void fileChanged();
 
} ;
 
 
namespace gui
{
 
 
class PatmanView : public InstrumentViewFixedSize
{
        Q_OBJECT
public:
        PatmanView( Instrument * _instrument, QWidget * _parent );
        ~PatmanView() override = default;
 
 
public slots:
        void openFile();
        void updateFilename();
 
 
protected:
        void dragEnterEvent( QDragEnterEvent * _dee ) override;
        void dropEvent( QDropEvent * _de ) override;
        void paintEvent( QPaintEvent * ) override;
 
 
private:
        void modelChanged() override;
 
        PatmanInstrument * m_pi;
        QString m_displayFilename;
 
        PixmapButton * m_openFileButton;
        PixmapButton * m_loopButton;
        PixmapButton * m_tuneButton;
 
} ;
 
 
} // namespace gui
 
} // namespace lmms
 
#endif // PATMAN_H