non/Timeline/Sequence.H

135 lines
4.0 KiB
C++

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