libs/surfaces/generic_midi/midiinvokable.h

   1 /*
   2     Copyright (C) 2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __gm_midiinvokable_h__
  21 #define __gm_midiinvokable_h__
  22
  23 #include <string>
  24
  25 #include "midi++/types.h"
  26
  27 #include "pbd/signals.h"
  28 #include "pbd/stateful.h"
  29
  30 #include "ardour/types.h"
  31
  32 namespace MIDI {
  33         class Channel;
  34         class Port;
  35         class Parser;
  36 }
  37
  38 class GenericMidiControlProtocol;
  39
  40 class MIDIInvokable : public PBD::Stateful
  41 {
  42   public:
  43         MIDIInvokable (MIDI::Port&);
  44         virtual ~MIDIInvokable ();
  45
  46         virtual int init (GenericMidiControlProtocol&, const std::string&, MIDI::byte* data = 0, size_t dsize = 0);
  47
  48         MIDI::Port& get_port() const { return _port; }
  49
  50         void bind_midi (MIDI::channel_t, MIDI::eventType, MIDI::byte);
  51         MIDI::channel_t get_control_channel () { return control_channel; }
  52         MIDI::eventType get_control_type () { return control_type; }
  53         MIDI::byte get_control_additional () { return control_additional; }
  54
  55   protected:
  56         GenericMidiControlProtocol* _ui;
  57         std::string     _invokable_name;
  58         MIDI::Port&     _port;
  59         PBD::ScopedConnection midi_sense_connection[2];
  60         MIDI::eventType  control_type;
  61         MIDI::byte       control_additional;
  62         MIDI::channel_t  control_channel;
  63         MIDI::byte*      data;
  64         size_t           data_size;
  65
  66         void midi_sense_note (MIDI::Parser &, MIDI::EventTwoBytes *, bool is_on);
  67         void midi_sense_note_on (MIDI::Parser &p, MIDI::EventTwoBytes *tb);
  68         void midi_sense_note_off (MIDI::Parser &p, MIDI::EventTwoBytes *tb);
  69         void midi_sense_controller (MIDI::Parser &, MIDI::EventTwoBytes *);
  70         void midi_sense_program_change (MIDI::Parser &, MIDI::byte);
  71         void midi_sense_sysex (MIDI::Parser &, MIDI::byte*, size_t);
  72         void midi_sense_any (MIDI::Parser &, MIDI::byte*, size_t);
  73
  74         virtual void execute () = 0;
  75 };
  76
  77 #endif // __gm_midicontrollable_h__
  78