non/Timeline/Control_Sequence.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. */
/*******************************************************************************/
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#include <FL/fl_ask.H>
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#include <list>
using std::list;
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#include "Control_Sequence.H"
#include "Track.H"
#include "Engine/Port.H"
#include "Engine/Engine.H" // for lock()
bool Control_Sequence::draw_with_gradient = true;
bool Control_Sequence::draw_with_polygon = true;
bool Control_Sequence::draw_with_grid = true;
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Control_Sequence::Control_Sequence ( Track *track ) : Sequence( 0 )
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{
init();
_track = track;
_output = new Port( Port::Output, track->name(), track->ncontrols(), "cv" );
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if ( track )
track->add( this );
log_create();
}
Control_Sequence::~Control_Sequence ( )
{
log_destroy();
engine->lock();
track()->remove( this );
engine->unlock();
_output->shutdown();
delete _output;
_output = NULL;
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}
void
Control_Sequence::init ( void )
{
_track = NULL;
_highlighted = false;
_output = NULL;
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color( fl_darker( FL_YELLOW ) );
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}
void
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Control_Sequence::get ( Log_Entry &e ) const
{
e.add( ":track", _track );
e.add( ":name", name() );
}
void
Control_Sequence::set ( Log_Entry &e )
{
for ( int i = 0; i < e.size(); ++i )
{
const char *s, *v;
e.get( i, &s, &v );
if ( ! strcmp( ":track", s ) )
{
int i;
sscanf( v, "%X", &i );
Track *t = (Track*)Loggable::find( i );
assert( t );
_output = new Port( Port::Output, t->name(), t->ncontrols(), "cv" );
t->add( this );
}
else if ( ! strcmp( ":name", s ) )
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name( v );
}
}
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void
Control_Sequence::draw_curve ( bool flip, bool filled )
{
const int bx = x();
const int by = y() + Fl::box_dy( box() );
const int bw = w();
const int bh = h() - Fl::box_dh( box() );
list <Sequence_Widget *>::const_iterator e = _widgets.end();
e--;
if ( _widgets.size() )
for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); ; r++ )
{
const int ry = (*r)->y();
if ( r == _widgets.begin() )
{
if ( flip )
{
if ( filled )
fl_vertex( bx, by );
fl_vertex( bx, ry );
}
else
{
if ( filled )
fl_vertex( bx, bh + by );
fl_vertex( bx, ry );
}
}
fl_vertex( (*r)->line_x(), ry );
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if ( r == e )
{
if ( flip )
{
fl_vertex( bx + bw, ry );
if ( filled )
fl_vertex( bx + bw, by );
}
else
{
fl_vertex( bx + bw, ry );
if ( filled )
fl_vertex( bx + bw, bh + by );
}
break;
}
}
}
void
Control_Sequence::draw ( void )
{
if ( ! fl_not_clipped( x(), y(), w(), h() ) )
return;
fl_push_clip( x(), y(), w(), h() );
/* draw the box with the ends cut off. */
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draw_box( box(), x() - Fl::box_dx( box() ), y(), w() + Fl::box_dw( box() ) + 1, h(), color() );
const int bx = x();
const int by = y() + Fl::box_dy( box() );
const int bw = w();
const int bh = h() - Fl::box_dh( box() );
int X, Y, W, H;
fl_clip_box( bx, by, bw, bh, X, Y, W, H );
bool active = active_r();
const Fl_Color color = active ? this->color() : fl_inactive( this->color() );
const Fl_Color selection_color = active ? this->selection_color() : fl_inactive( this->selection_color() );
if ( draw_with_gradient )
{
/* const Fl_Color c2 = fl_color_average( selection_color, FL_WHITE, 0.90f ); */
/* const Fl_Color c1 = fl_color_average( color, c2, 0.60f ); */
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const Fl_Color c1 = fl_color_average( selection_color, FL_WHITE, 0.90f );
const Fl_Color c2 = fl_color_average( color, c1, 0.60f );
for ( int gy = 0; gy < bh; gy++ )
{
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fl_color( fl_color_average( c1, c2, gy / (float)bh) );
fl_line( X, by + gy, X + W, by + gy );
}
}
if ( draw_with_grid )
{
fl_color( fl_darker( color ) );
const int inc = bh / 10;
if ( inc )
for ( int gy = 0; gy < bh; gy += inc )
fl_line( X, by + gy, X + W, by + gy );
}
if ( draw_with_polygon )
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{
fl_color( draw_with_gradient ? color : fl_color_average( color, selection_color, 0.45f ) );
fl_begin_complex_polygon();
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draw_curve( draw_with_gradient, true );
fl_end_complex_polygon();
fl_color( selection_color );
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fl_line_style( FL_SOLID, 2 );
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fl_begin_line();
draw_curve( draw_with_gradient, false );
fl_end_line();
}
else
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{
// fl_color( fl_color_average( selection_color, color, 0.70f ) );
fl_color( selection_color );
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fl_line_style( FL_SOLID, 2 );
fl_begin_line();
draw_curve( draw_with_gradient, false );
fl_end_line();
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}
fl_line_style( FL_SOLID, 0 );
timeline->draw_measure_lines( x(), y(), w(), h(), color );
if ( _highlighted || Fl::focus() == this )
for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
(*r)->draw_box();
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else
for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
if ( (*r)->selected() )
(*r)->draw_box();
fl_pop_clip();
}
int
Control_Sequence::handle ( int m )
{
switch ( m )
{
case FL_ENTER:
_highlighted = true;
fl_cursor( cursor() );
redraw();
return 1;
case FL_LEAVE:
_highlighted = false;
redraw();
return 1;
default:
break;
}
int r = Sequence::handle( m );
if ( r )
return r;
switch ( m )
{
case FL_PUSH:
{
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Logger log( this );
if ( Fl::event_button1() )
{
Control_Point *r = new Control_Point( this, timeline->xoffset + timeline->x_to_ts( Fl::event_x() - x() ), (float)(Fl::event_y() - y()) / h() );
add( r );
}
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else if ( Fl::event_button3() && ! ( Fl::event_state() & ( FL_ALT | FL_SHIFT | FL_CTRL ) ) )
{
Fl_Menu_Item menu[] =
{
{ "Rename" },
{ "Remove" },
{ 0 }
};
const Fl_Menu_Item *r = menu->popup( Fl::event_x(), Fl::event_y(), "Control Sequence" );
if ( r )
{
if ( r == &menu[ 0 ] )
{
const char *s = fl_input( "Input new name for control sequence:", name() );
if ( s )
name( s );
redraw();
}
else if ( r == &menu[ 1 ] )
{
Fl::delete_widget( this );
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}
}
return 1;
}
return 1;
}
default:
return 0;
}
}