non/Time_Point.H

174 lines
4.7 KiB
C++

/*******************************************************************************/
/* Copyright (C) 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. */
/*******************************************************************************/
#pragma once
#include "Track_Point.H"
#include "Loggable.H"
struct time_sig
{
int beats_per_bar;
int beat_type;
time_sig ( int bpb, int note )
{
beats_per_bar = bpb;
beat_type = note;
}
};
#define __CLASS__ "Time_Point"
class Time_Point : public Track_Point
{
time_sig _time;
void
_make_label ( void )
{
if ( ! _label )
_label = new char[40];
snprintf( _label, 40, "%d/%d", _time.beats_per_bar, _time.beat_type );
}
Time_Point ( ) : _time( 4, 4 )
{
}
protected:
const char *class_name ( void ) { return "Time_Point"; }
char ** get ( void )
{
char **sa = (char**)malloc( sizeof( char* ) * 5 );
int i = 0;
asprintf( &sa[i++], ":track 0x%X", _track ? _track->id() : 0 );
asprintf( &sa[i++], ":x %lu", _offset );
asprintf( &sa[i++], ":beats_per_bar %d", _time.beats_per_bar );
asprintf( &sa[i++], ":beat_type %d", _time.beat_type );
sa[i] = NULL;
return sa;
}
void
set ( char **sa )
{
for ( int i = 0; sa[i]; ++i )
{
char *s = sa[i];
strtok( s, " " );
char *v = s + strlen( s ) + 1;
if ( ! strcmp( s, ":x" ) )
_offset = atol( v );
else
if ( ! strcmp( s, ":beats_per_bar" ) )
_time.beats_per_bar = atoi( v );
else
if ( ! strcmp( s, ":beat_type" ) )
_time.beat_type = atoi( v );
else
if ( ! strcmp( s, ":track" ) )
{
int i;
sscanf( v, "%X", &i );
Track *t = (Track*)Loggable::find( i );
assert( t );
t->add( this );
}
free( s );
}
free( sa );
timeline->rulers->redraw();
timeline->tracks->redraw();
_make_label();
}
public:
/* for loggable */
static Loggable *
create ( char **sa )
{
Time_Point *r = new Time_Point;
r->set( sa );
r->log_create();
return (Loggable *)r;
}
Time_Point ( nframes_t when, int bpb, int note ) : _time( bpb, note )
{
_offset = when;
_make_label();
log_create();
}
~Time_Point ( )
{
if ( _label ) delete[] _label;
log_destroy();
}
/* beats_per_bar ( void ) const { return _time.beats_per_bar; } */
/* beat_type ( void ) const { return _beat_type; } */
void time ( int bpb, int note ) { _time.beats_per_bar = bpb; _time.beat_type = note; }
time_sig time ( void ) const { return _time; }
int
handle ( int m )
{
int r = Track_Widget::handle( m );
if ( m == FL_RELEASE )
{
_track->sort();
timeline->tracks->redraw();
}
return r;
}
};
#undef __CLASS__