new-session-manager/nonlib/MIDI/event.H

/*******************************************************************************/
/* Copyright (C) 2007-2008 Jonathan Moore Liles                                */
/*                                                                             */
/* 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 the file COPYING.  If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
/*******************************************************************************/

/* Higher level event interface than midievent, supporting
   doublely-linked list, marking, selection, and linking of note
   on/off pairs. */

#pragma once

#include "midievent.H"

namespace MIDI
{
    class event_list;

    class event;
    class note_properties {
    public:
        tick_t start;
        tick_t duration;
        int note;
        int velocity;
        bool selected;
    };

    class event : public midievent
    {


    protected:

        /* these are only to be used by event_list class! */
        event *_next;
        event *_prev;

    private:

        event *_link;                                               /* other event in pair */

        byte_t _selected;

        void _init ( void );

    public:

        event();
        ~event();
        event ( const event &e );
        event ( const midievent &e );

        event * next ( void ) const;
        event * prev ( void ) const;

        void link ( event *event );
        event * link ( void ) const;
        bool linked ( void ) const;
        void select ( void );
        void deselect ( void );
        bool selected ( int n ) const;
        bool selected ( void ) const;
        virtual void note ( char note );
        virtual unsigned char note ( void ) const;
        tick_t note_duration ( void ) const;
        void note_duration ( tick_t l );

        void get_note_properties ( note_properties *e ) const;
        void set_note_properties ( const note_properties *e );

        friend class event_list;

    };

    inline event *
    event::next ( void ) const
    {
        return _next;
    }

    inline event *
    event::prev ( void ) const
    {
        return _prev;
    }
}