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/*
Copyright (C) 1998-2006 Paul Davis
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __gm_midicontrollable_h__
#define __gm_midicontrollable_h__
#include <string>
#include "midi++/types.h"
#include "pbd/controllable.h"
#include "pbd/signals.h"
#include "pbd/stateful.h"
#include "ardour/types.h"
namespace MIDI {
class Channel;
class Port;
class Parser;
}
class MIDIControllable : public PBD::Stateful
{
public:
MIDIControllable (MIDI::Port&, PBD::Controllable&, bool bistate = false);
MIDIControllable (MIDI::Port&, const std::string& uri, bool bistate = false);
virtual ~MIDIControllable ();
bool ok() const { return !_current_uri.empty(); }
void send_feedback ();
MIDI::byte* write_feedback (MIDI::byte* buf, int32_t& bufsize, bool force = false);
void midi_rebind (MIDI::channel_t channel=-1);
void midi_forget ();
void learn_about_external_control ();
void stop_learning ();
void drop_external_control ();
bool get_midi_feedback () { return feedback; }
void set_midi_feedback (bool val) { feedback = val; }
float control_to_midi(float val);
float midi_to_control(float val);
MIDI::Port& get_port() const { return _port; }
PBD::Controllable* get_controllable() const { return controllable; }
std::string control_description() const { return _control_description; }
XMLNode& get_state (void);
int set_state (const XMLNode&, int version);
void bind_midi (MIDI::channel_t, MIDI::eventType, MIDI::byte);
MIDI::channel_t get_control_channel () { return control_channel; }
MIDI::eventType get_control_type () { return control_type; }
MIDI::byte get_control_additional () { return control_additional; }
private:
PBD::Controllable* controllable;
std::string _current_uri;
MIDI::Port& _port;
bool setting;
MIDI::byte last_value;
bool bistate;
int midi_msg_id; /* controller ID or note number */
PBD::ScopedConnection midi_sense_connection[2];
PBD::ScopedConnection midi_learn_connection;
MIDI::eventType control_type;
MIDI::byte control_additional;
MIDI::channel_t control_channel;
std::string _control_description;
bool feedback;
void init ();
void reacquire_controllable ();
void midi_receiver (MIDI::Parser &p, MIDI::byte *, size_t);
void midi_sense_note (MIDI::Parser &, MIDI::EventTwoBytes *, bool is_on);
void midi_sense_note_on (MIDI::Parser &p, MIDI::EventTwoBytes *tb);
void midi_sense_note_off (MIDI::Parser &p, MIDI::EventTwoBytes *tb);
void midi_sense_controller (MIDI::Parser &, MIDI::EventTwoBytes *);
void midi_sense_program_change (MIDI::Parser &, MIDI::byte);
void midi_sense_pitchbend (MIDI::Parser &, MIDI::pitchbend_t);
};
#endif // __gm_midicontrollable_h__
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