non/Timeline/Tempo_Point.H

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/*******************************************************************************/
/* 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
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#include "Sequence_Point.H"
// #include "Tempo_Sequence.H"
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class Tempo_Point : public Sequence_Point
{
float _tempo;
void
_make_label ( void )
{
if ( ! _label )
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_label = (char*)malloc( 40 );
snprintf( _label, 40, "%.1f", _tempo );
}
protected:
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// const char *class_name ( void ) { return "Tempo_Point"; }
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virtual void get ( Log_Entry &e ) const;
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void set ( Log_Entry &e );
Tempo_Point ( )
{
}
public:
static bool edit ( float *tempo );
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LOG_CREATE_FUNC( Tempo_Point );
Tempo_Point ( nframes_t when, float bpm );
~Tempo_Point ( );
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Tempo_Point ( const Tempo_Point &rhs )
{
_r->offset = rhs._r->offset;
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_tempo = rhs._tempo;
}
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Sequence_Widget *clone ( const Sequence_Widget *r )
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{
return new Tempo_Point( *(Tempo_Point*)r );
}
float tempo ( void ) const
{ return _tempo; }
void tempo ( float v )
{ if ( v != _tempo ) { _tempo = v; _make_label(); timeline->redraw(); } }
int handle ( int m );
};