non/Timeline/Time_Point.H

/*******************************************************************************/
/* 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 "Sequence_Point.H"
#include "Loggable.H"

struct time_sig
{
    int beats_per_bar;
    int beat_type;

    time_sig ( ) : beats_per_bar( 0 ), beat_type( 0 )
        {
        }

    time_sig ( int bpb, int note ) : beats_per_bar( bpb ), beat_type( note )
        {
        }
};

class Time_Point : public Sequence_Point
{
    time_sig _time;

    void
    _make_label ( void )
        {
            if ( ! _label )
                _label = (char*)malloc( 40 );

            snprintf( _label, 40, "%d/%d", _time.beats_per_bar, _time.beat_type );
        }


protected:

//    const char *class_name ( void ) { return "Time_Point"; }

    virtual void get ( Log_Entry &e ) const;
    void set ( Log_Entry &e );
    void log_children ( void ) const;

    Time_Point ( );

public:

    LOG_CREATE_FUNC( Time_Point );
    SEQUENCE_WIDGET_CLONE_FUNC( Time_Point );

    static bool edit ( time_sig *sig );

    Time_Point ( nframes_t when, int bpb, int note );
    Time_Point ( const Time_Point &rhs );

    ~Time_Point ( );

    void
    time ( int bpb, int note )
        {
            _time.beats_per_bar = bpb; _time.beat_type = note;
            _make_label();
            redraw();
        }
    time_sig time ( void ) const { return _time; }

    int handle ( int m );

};