non/Tempo_Point.H

89 lines
2.6 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"
#define __CLASS__ "Tempo_Point"
class Tempo_Point : public Track_Point
{
float _tempo;
void
_make_label ( void )
{
if ( ! _label )
_label = new char[40];
snprintf( _label, 40, "%.1f", _tempo );
}
protected:
const char *class_name ( void ) { return "Tempo_Point"; }
char ** log_dump ( void )
{
char **sa = (char**)malloc( sizeof( char* ) * 3 );
sa[2] = NULL;
asprintf( &sa[0], ":x %lu", _offset );
asprintf( &sa[1], ":tempo %f", _tempo );
return sa;
}
public:
Tempo_Point ( nframes_t when, float bpm )
{
_tempo = bpm;
_offset = when;
_make_label();
log_create();
}
~Tempo_Point ( )
{ if ( _label ) delete[] _label; }
float tempo ( void ) const { return _tempo; }
void tempo ( float v ) { _tempo = v; }
int
handle ( int m )
{
int r = Track_Widget::handle( m );
if ( m == FL_RELEASE )
{
_track->sort();
timeline->tracks->redraw();
}
return r;
}
};
#undef __CLASS__