177 lines
4.9 KiB
C++
177 lines
4.9 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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#pragma once
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#include <FL/Fl_Group.H>
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#include <FL/Fl.H>
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#include "Region.H"
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#include <stdio.h>
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#include <assert.h>
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#include <list>
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using std::list;
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class Track : public Fl_Group
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{
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Track *_next;
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Track *_prev;
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list <Region *> _regions;
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char *_name;
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public:
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Track ( int X, int Y, int W, int H ) : Fl_Group( X, Y, W, H )
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{
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_next = _prev = NULL;
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_name = NULL;
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box( FL_DOWN_BOX );
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color( fl_darker( FL_GRAY ) );
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}
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Track *next ( void ) { return _next; }
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Track *prev ( void ) { return _prev; }
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void prev ( Track *t ) { _prev = t; }
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void next ( Track *t ) { _next = t; }
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void remove_region ( Region *r )
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{
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_regions.remove( r );
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}
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void add ( Region *r )
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{
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if ( r->track() )
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{
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r->track()->remove_region( r );
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r->track()->redraw();
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}
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_regions.push_back( r );
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r->track( this );
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Fl_Group::add( r );
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// add( r );
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r->position( r->x(), y() );
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r->redraw();
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}
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/** snap /r/ to nearest edge */
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void
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snap ( Region *r )
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{
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const int snap_pixels = 10;
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int rx1 = r->x();
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int rx2 = r->x() + r->w();
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for ( int i = children(); i-- ; )
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{
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const Region *w = (Region*)child( i );
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if ( w == r )
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continue;
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int wx1 = w->x();
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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->end() - w->start() ) + 1 );
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printf( "snap: %lu | %lu\n", w->offset() + (w->end() - w->start()), 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->end() - r->start() )) - 1 );
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printf( "snap: %lu | %lu\n", r->offset() + (r->end() - r->start()), w->offset() );
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goto done;
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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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r->resize();
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// r->position( rx1, y() );
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}
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int handle ( int m )
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{
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switch ( m )
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{
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case FL_DND_DRAG:
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case FL_DND_ENTER:
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case FL_ENTER:
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return 1;
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case FL_DND_LEAVE:
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case FL_DND_RELEASE:
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return 1;
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case FL_PASTE:
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{
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const char *text = Fl::event_text();
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char *file;
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if ( ! sscanf( text, "file://%a[^\r\n]\n", &file ) )
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{
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printf( "invalid drop \"%s\"\n", text );
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return 0;
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}
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printf( "pasted file \"%s\"\n", file );
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Clip *c = Clip::from_file( file );
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if ( ! c )
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{
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free( file );
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return 0;
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}
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Region *r = new Region( c );
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r->offset( timeline.x_to_ts( Fl::event_x() ) );
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r->position( Fl::event_x(), r->y() );
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this->add( r );
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return 1;
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}
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default:
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return Fl_Group::handle( m );
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}
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}
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};
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