new-session-manager/Timeline/Control_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"

class Control_Point : public Sequence_Point
{
    float _y;

/*     void */
/*     _make_label ( void ) */
/*         { */
/*             if ( ! _label ) */
/*                 _label = new char[40]; */

/*             snprintf( _label, 40, "%.1f", _y ); */
/*         } */

protected:

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

    virtual void get ( Log_Entry &e ) const
        {
            Sequence_Point::get( e );

            e.add( ":y", _y );
        }

    void
    set ( Log_Entry &e )
        {
            for ( int i = 0; i < e.size(); ++i )
            {
                const char *s, *v;

                e.get( i, &s, &v );

                if ( ! strcmp( s, ":y" ) )
                    _y = atof( v );

                timeline->redraw();

                //          _make_label();
            }

            Sequence_Point::set( e );
        }

    Control_Point ( )
        {
            _box_color = FL_WHITE;
        }

public:

/*     Sequence_Widget * */
/*     clone ( const Sequence_Widget *r ) */
/*         { */
/*             return new Control_Point( *(Control_Point*)r ); */
/*         } */

    /* for loggable */
    LOG_CREATE_FUNC( Control_Point );

    Control_Point ( Sequence *t, nframes_t when, float y )
        {
            _track = t;
            _y = y;
            _r->offset = when;
            _box_color = FL_WHITE;

            log_create();
        }

    Control_Point ( const Control_Point &rhs )
        {
            _r->offset = rhs._r->offset;
            _y = rhs._y;
        }

    Sequence_Widget *clone ( const Sequence_Widget *r )
        {
            return new Control_Point( *(Control_Point*)r );
        }

    ~Control_Point ( )
        {
//            if ( _label ) delete[] _label;
            log_destroy();
        }

    float control ( void ) const { return _y; }
    void control ( float v ) { _y = v; }
    /* only for playback thread */
    nframes_t when ( void ) const { return _range.offset; }


    int
    handle ( int m )
        {
            int r = Sequence_Widget::handle( m );

            switch ( m )
            {

                case FL_RELEASE:
                    _track->sort();
                    redraw();
                    break;
                case FL_DRAG:
                {
                    track()->sort();

                    if ( selected() )
                        break;

                    int Y = Fl::event_y() - parent()->y();

                    if ( Y >= 0 && Y < parent()->h() )
                    {
                        _y = (float)Y / parent()->h();
                        redraw();
                    }

                    break;
                }
            }

            return r;
        }

/*     int x ( void ) const { return line_x(); } */

    int abs_w ( void ) const { return 6; }

//    int w ( void ) const { return 6; }

    int y ( void ) const { return parent()->y() + ((float)parent()->h() * _y); }
    int h ( void ) const { return 6; }

    void
    draw ( int X, int Y, int W, int H )
        {
        }

};