426 lines
11 KiB
C
426 lines
11 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include "Sequence.H"
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#include "Timeline.H"
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#include "Region.H"
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#include <FL/fl_draw.H>
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#include "Track.H"
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queue <Sequence_Widget *> Sequence::_delete_queue;
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Sequence::Sequence ( int X, int Y, int W, int H, Track *track ) : Fl_Widget( X, Y, W, H )
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{
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_name = NULL;
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_track = track;
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/* if ( track ) */
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/* track->add( this ); */
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box( FL_DOWN_BOX );
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color( fl_darker( FL_GRAY ) );
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align( FL_ALIGN_LEFT );
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// log_create();
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}
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Sequence::~Sequence ( )
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{
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/* FIXME: what to do with regions? */
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parent()->redraw();
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parent()->remove( this );
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// log_destroy();
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}
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void
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Sequence::sort ( void )
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{
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_widgets.sort( Sequence_Widget::sort_func );
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}
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/** return a pointer to the widget that /r/ overlaps, or NULL if none. */
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Sequence_Widget *
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Sequence::overlaps ( Sequence_Widget *r )
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{
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for ( list <Sequence_Widget *>::const_iterator i = _widgets.begin(); i != _widgets.end(); i++ )
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{
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if ( *i == r ) continue;
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if ( ! ( (*i)->offset() > r->offset() + r->length() || (*i)->offset() + (*i)->length() < r->offset() ) )
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return *i;
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}
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return NULL;
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}
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#include "Waveform.H"
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void
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Sequence::draw ( void )
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{
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if ( ! fl_not_clipped( x(), y(), w(), h() ) )
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return;
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fl_push_clip( x(), y(), w(), h() );
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/* 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() ), h(), color() );
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int X, Y, W, H;
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fl_clip_box( x(), y(), w(), h(), X, Y, W, H );
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if ( Sequence_Widget::pushed() && Sequence_Widget::pushed()->track() == this )
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{
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/* make sure the Sequence_Widget::pushed widget is above all others */
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remove( Sequence_Widget::pushed() );
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add( Sequence_Widget::pushed() );
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}
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int xfades = 0;
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// printf( "track::draw %d,%d %dx%d\n", X,Y,W,H );
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timeline->draw_measure_lines( x(), y(), w(), h(), color() );
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for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
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(*r)->draw_box();
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for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
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(*r)->draw();
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/* draw crossfades */
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for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
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{
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Sequence_Widget *o = overlaps( *r );
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if ( o )
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{
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if ( *o <= **r )
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{
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/* if ( o->x() == (*r)->x() && o->w() == (*r)->w() ) */
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/* printf( "complete superposition\n" ); */
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if ( (*r)->x() >= o->x() && (*r)->x() + (*r)->w() <= o->x() + o->w() )
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/* completely inside */
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continue;
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++xfades;
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Rectangle b( (*r)->x(),
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o->y(),
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(o->x() + o->w()) - (*r)->x(),
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o->h() );
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Fl_Color c = fl_color_average( o->box_color(), (*r)->box_color(), 0.50f );
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c = fl_color_average( c, FL_YELLOW, 0.30f );
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fl_push_clip( b.x, b.y, b.w, b.h );
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draw_box( FL_FLAT_BOX, b.x - 100, b.y, b.w + 200, b.h, c );
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draw_box( FL_UP_FRAME, b.x - 100, b.y, b.w + 200, b.h, c );
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fl_pop_clip();
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}
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}
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}
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// printf( "There are %d xfades\n", xfades );
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for ( list <Sequence_Widget *>::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ )
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{
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Sequence_Widget *o = overlaps( *r );
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if ( o )
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{
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if ( *o <= **r )
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{
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if ( (*r)->x() >= o->x() && (*r)->x() + (*r)->w() <= o->x() + o->w() )
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/* completely inside */
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continue;
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Rectangle b( (*r)->x(), o->y(), (o->x() + o->w()) - (*r)->x(), o->h() );
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/* draw overlapping waveforms in X-ray style. */
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bool t = Waveform::fill;
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Waveform::fill = false;
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/* Fl_Color oc = o->color(); */
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/* Fl_Color rc = (*r)->color(); */
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/* /\* give each region a different color *\/ */
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/* o->color( FL_RED ); */
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/* (*r)->color( FL_GREEN ); */
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fl_push_clip( b.x, b.y, b.w, b.h );
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o->draw();
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(*r)->draw();
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fl_pop_clip();
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Waveform::fill = t;
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/* o->color( oc ); */
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/* (*r)->color( rc ); */
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/* fl_color( FL_BLACK ); */
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/* fl_line_style( FL_DOT, 4 ); */
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/* b.x = (*r)->line_x(); */
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/* b.w = min( 32767, (*r)->abs_w() ); */
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/* fl_line( b.x, b.y, b.x + b.w, b.y + b.h ); */
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/* fl_line( b.x, b.y + b.h, b.x + b.w, b.y ); */
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/* fl_line_style( FL_SOLID, 0 ); */
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// fl_pop_clip();
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}
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}
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}
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fl_pop_clip();
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}
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void
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Sequence::remove ( Sequence_Widget *r )
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{
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// Logger _log( this );
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_widgets.remove( r );
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}
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void
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Sequence::remove_selected ( void )
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{
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Loggable::block_start();
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for ( list <Sequence_Widget *>::iterator r = _widgets.begin(); r != _widgets.end(); )
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if ( (*r)->selected() )
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{
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Sequence_Widget *t = *r;
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_widgets.erase( r++ );
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delete t;
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}
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else
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++r;
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Loggable::block_end();
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}
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Sequence_Widget *
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Sequence::event_widget ( void )
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{
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nframes_t ets = timeline->xoffset + timeline->x_to_ts( Fl::event_x() - x() );
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for ( list <Sequence_Widget *>::const_reverse_iterator r = _widgets.rbegin(); r != _widgets.rend(); r++ )
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if ( ets > (*r)->offset() && ets < (*r)->offset() + (*r)->length() )
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return (*r);
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return NULL;
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}
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void
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Sequence::select_range ( int X, int W )
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{
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nframes_t sts = timeline->xoffset + timeline->x_to_ts( X - x() );
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nframes_t ets = sts + timeline->x_to_ts( W );
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for ( list <Sequence_Widget *>::const_reverse_iterator r = _widgets.rbegin(); r != _widgets.rend(); r++ )
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if ( ! ( (*r)->offset() > ets || (*r)->offset() + (*r)->length() < sts ) )
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(*r)->select();
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}
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void
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Sequence::add ( Sequence_Widget *r )
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{
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// Logger _log( this );
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if ( r->track() )
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{
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r->redraw();
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r->track()->remove( r );
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// r->track()->redraw();
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}
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r->track( this );
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_widgets.push_back( r );
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sort();
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}
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/* snap /r/ to nearest edge */
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void
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Sequence::snap ( Sequence_Widget *r )
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{
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const int snap_pixels = 10;
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const int rx1 = r->x();
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const int rx2 = r->x() + r->w();
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for ( list <Sequence_Widget*>::iterator i = _widgets.begin(); i != _widgets.end(); i++ )
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{
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const Sequence_Widget *w = (*i);
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if ( w == r )
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continue;
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const int wx1 = w->x();
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const int wx2 = w->x() + w->w();
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if ( abs( rx1 - wx2 ) < snap_pixels )
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{
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r->offset( w->offset() + w->length() + 1 );
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// printf( "snap: %lu | %lu\n", w->offset() + w->length(), r->offset() );
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goto done;
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}
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if ( abs( rx2 - wx1 ) < snap_pixels )
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{
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r->offset( ( w->offset() - r->length() ) - 1 );
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// printf( "snap: %lu | %lu\n", r->offset() + r->length(), w->offset() );
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goto done;
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}
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}
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{
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int nx = timeline->nearest_line( r->abs_x() );
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if ( nx >= 0 )
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{
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r->offset( timeline->x_to_ts( nx ) );
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return;
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}
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}
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// r->offset( timeline->x_to_ts( r->x() ) );
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done:
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return;
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// r->resize();
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// r->position( rx1, y() );
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}
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int
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Sequence::handle ( int m )
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{
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switch ( m )
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{
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case FL_FOCUS:
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return 1;
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case FL_UNFOCUS:
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return 1;
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case FL_DND_ENTER:
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printf( "enter\n" );
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if ( Sequence_Widget::pushed() && Sequence_Widget::pushed()->track()->class_name() == class_name() )
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{
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add( Sequence_Widget::pushed() );
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redraw();
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}
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case FL_DND_LEAVE:
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return 1;
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case FL_MOVE:
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{
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Sequence_Widget *r = event_widget();
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if ( r != Sequence_Widget::belowmouse() )
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{
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if ( Sequence_Widget::belowmouse() )
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Sequence_Widget::belowmouse()->handle( FL_LEAVE );
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Sequence_Widget::belowmouse( r );
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if ( r )
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r->handle( FL_ENTER );
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}
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return 0;
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}
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default:
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{
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Sequence_Widget *r = Sequence_Widget::pushed() ? Sequence_Widget::pushed() : event_widget();
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if ( r )
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{
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int retval = r->dispatch( m );
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if ( retval && m == FL_PUSH )
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{
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take_focus();
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Sequence_Widget::pushed( r );
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}
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if ( retval && m == FL_RELEASE )
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Sequence_Widget::pushed( NULL );
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Loggable::block_start();
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while ( _delete_queue.size() )
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{
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Sequence_Widget *t = _delete_queue.front();
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_delete_queue.pop();
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if ( Sequence_Widget::pushed() == t )
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Sequence_Widget::pushed( NULL );
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if ( Sequence_Widget::belowmouse() == t )
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{
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Sequence_Widget::belowmouse()->handle( FL_LEAVE );
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Sequence_Widget::belowmouse( NULL );
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}
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delete t;
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}
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Loggable::block_end();
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return retval;
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}
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else
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return Fl_Widget::handle( m );
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}
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}
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}
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