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8b2902c27a
All Atom ports are now being created and connected. Currently only MIDI input ports are supplied with data. Major contribution to #562 ("lv2 support").
120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/*
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* Lv2Instrument.h - implementation of LV2 instrument
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*
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* Copyright (c) 2018-2020 Johannes Lorenz <jlsf2013$users.sourceforge.net, $=@>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LV2_INSTRUMENT_H
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#define LV2_INSTRUMENT_H
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#include <QString>
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#include "Instrument.h"
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#include "InstrumentView.h"
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#include "Note.h"
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#include "Lv2ControlBase.h"
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#include "Lv2ViewBase.h"
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// whether to use MIDI vs playHandle
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// currently only MIDI works
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#define LV2_INSTRUMENT_USE_MIDI
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class QPushButton;
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class Lv2Instrument : public Instrument, public Lv2ControlBase
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{
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Q_OBJECT
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public:
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/*
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initialization
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*/
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Lv2Instrument(InstrumentTrack *instrumentTrackArg,
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Descriptor::SubPluginFeatures::Key* key);
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~Lv2Instrument() override;
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//! Must be checked after ctor or reload
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bool isValid() const;
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/*
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load/save
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*/
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void saveSettings(QDomDocument &doc, QDomElement &that) override;
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void loadSettings(const QDomElement &that) override;
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void loadFile(const QString &file) override;
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/*
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realtime funcs
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*/
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bool hasNoteInput() const override { return Lv2ControlBase::hasNoteInput(); }
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#ifdef LV2_INSTRUMENT_USE_MIDI
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bool handleMidiEvent(const MidiEvent &event,
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const MidiTime &time = MidiTime(), f_cnt_t offset = 0) override;
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#else
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void playNote(NotePlayHandle *nph, sampleFrame *) override;
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#endif
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void play(sampleFrame *buf) override;
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/*
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misc
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*/
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Flags flags() const override
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{
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#ifdef LV2_INSTRUMENT_USE_MIDI
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return IsSingleStreamed | IsMidiBased;
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#else
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return IsSingleStreamed;
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#endif
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}
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PluginView *instantiateView(QWidget *parent) override;
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private slots:
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void updatePitchRange();
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private:
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QString nodeName() const override;
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DataFile::Types settingsType() override;
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void setNameFromFile(const QString &name) override;
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#ifdef LV2_INSTRUMENT_USE_MIDI
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int m_runningNotes[NumKeys];
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#endif
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friend class Lv2InsView;
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};
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class Lv2InsView : public InstrumentView, public Lv2ViewBase
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{
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Q_OBJECT
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public:
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Lv2InsView(Lv2Instrument *_instrument, QWidget *_parent);
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protected:
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void dragEnterEvent(QDragEnterEvent *_dee) override;
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void dropEvent(QDropEvent *_de) override;
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private:
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void modelChanged() override;
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};
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#endif // LV2_INSTRUMENT_H
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