non/timeline/src/Control_Point.C

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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. */
/*******************************************************************************/
#include <FL/fl_draw.H>
#include "Control_Point.H"
Control_Point::Control_Point ( Sequence *t, nframes_t when, float y )
{
_sequence = NULL;
_y = y;
_r->start = when;
_box_color = FL_WHITE;
t->add( this );
log_create();
}
Control_Point::Control_Point ( const Control_Point &rhs ) : Sequence_Point( rhs )
{
_y = rhs._y;
log_create();
}
void
Control_Point::get ( Log_Entry &e ) const
{
Sequence_Point::get( e );
e.add( ":y", _y );
}
void
Control_Point::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 );
redraw();
// _make_label();
}
Sequence_Point::set( e );
}
void
Control_Point::draw_box ( void )
{
if ( selected() )
fl_color( selection_color() );
else
fl_color( box_color() );
fl_pie( x() - ( abs_w() / 2 ), y() - ( h() / 2 ), abs_w(), h(), 0, 360 );
if ( this == Sequence_Widget::belowmouse() ||
this == Sequence_Widget::pushed() )
{
char val[10];
snprintf( val, sizeof( val ), "%+.2f", 1.0 - _y * 2 );
Fl_Align a = 0;
if ( x() < _sequence->x() + ( _sequence->w() / 2 ) )
a |= FL_ALIGN_RIGHT;
else
a |= FL_ALIGN_LEFT;
if ( y() < _sequence->y() + ( _sequence->h() / 2 ) )
a |= FL_ALIGN_BOTTOM;
else
a |= FL_ALIGN_TOP;
draw_label( val, a, FL_FOREGROUND_COLOR );
}
}
int
Control_Point::handle ( int m )
{
int r = Sequence_Widget::handle( m );
switch ( m )
{
case FL_RELEASE:
redraw();
break;
case FL_DRAG:
{
if ( nselected() > 1 )
// only allow horizontal movement when part of a selection...
break;
int Y = Fl::event_y() - parent()->y();
if ( Y >= 0 && Y < parent()->h() )
{
_y = (float)Y / parent()->h();
redraw();
}
break;
}
}
return r;
}