135 lines
4.0 KiB
C++
135 lines
4.0 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_Widget.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl.H>
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#include <stdio.h>
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#include "Loggable.H"
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#include <assert.h>
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#include <list>
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#include <queue>
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class Track;
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class Sequence_Widget;
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#include "types.h"
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/* This is the base class for all track types. */
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class Sequence : public Fl_Widget, public Loggable
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{
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/* not permitted */
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Sequence ( const Sequence &rhs );
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Sequence & operator= ( const Sequence &rhs );
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static std::queue <Sequence_Widget *> _delete_queue;
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void init ( void );
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protected:
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Track *_track; /* track this sequence belongs to */
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char *_name;
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friend class Timeline; // for draw_measure
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std::list <Sequence_Widget *> _widgets;
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Sequence_Widget *event_widget ( void );
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public:
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/* child classes should implement this if they need to take
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special action when a widget is changed/moved/resized. /start/
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and /length/ define the affected region */
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virtual void handle_widget_change ( nframes_t start, nframes_t length ) { (void)(start + length); }
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/* welcome to C++ */
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LOG_NAME_FUNC( Sequence );
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Sequence ( Track *track=0 );
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Sequence ( int X, int Y, int W, int H );
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virtual ~Sequence ( );
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/* override this to provide cursor */
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virtual Fl_Cursor cursor ( void ) const = 0;
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nframes_t x_to_offset ( int X );
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const char * name ( void ) const { return _name; }
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void name ( const char *s )
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{
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if ( _name ) free( _name );
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_name = strdup( s );
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label( _name );
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}
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void sort ( void );
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Track *track ( void ) const { return _track; }
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void track ( Track *t ) { _track = t; }
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void remove ( Sequence_Widget *r );
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void add ( Sequence_Widget *r );
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void select_range ( int X, int W );
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void remove_selected ( void );
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Fl_Color color ( void ) const { return this == Fl::focus() ? fl_color_average( FL_FOREGROUND_COLOR, Fl_Widget::color(), 0.24f ) : Fl_Widget::color(); }
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void color ( Fl_Color v ) { Fl_Widget::color( v ); }
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const std::list <Sequence_Widget *> widgets ( void ) const { return _widgets; }
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void queue_delete ( Sequence_Widget *r )
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{
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_delete_queue.push( r );
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}
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Sequence_Widget * overlaps ( Sequence_Widget *r );
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virtual Sequence * clone ( void )
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{
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assert( 0 );
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}
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virtual Sequence * clone_empty ( void )
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{
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return NULL;
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}
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virtual void snap ( Sequence_Widget *r );
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virtual int handle ( int m );
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virtual void draw ( void );
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virtual nframes_t process ( nframes_t ) { return 0; }
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};
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