non/nonlib/MIDI/event.H

100 lines
3.0 KiB
C++

/*******************************************************************************/
/* 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;
};
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;
void note ( char note );
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;
}
}