Fl_Tree_Item_Array.H

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//
// "$Id$"
//
 
#ifndef _FL_TREE_ITEM_ARRAY_H
#define _FL_TREE_ITEM_ARRAY_H
 
#include <FL/Fl.H>
#include "Fl_Export.H"
 
class Fl_Tree_Item;             // forward decl must *precede* first doxygen comment block
                                // or doxygen will not document our class..

// FL/Fl_Tree_Item_Array.H
//
// Fl_Tree -- This file is part of the Fl_Tree widget for FLTK
// Copyright (C) 2009-2010 by Greg Ercolano.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//


 
class FL_EXPORT Fl_Tree_Item_Array {
  Fl_Tree_Item **_items;        // items array
  int _total;                   // #items in array
  int _size;                    // #items *allocated* for array
  int _chunksize;               // #items to enlarge mem allocation
#if FLTK_ABI_VERSION >= 10303
  enum {                        
    MANAGE_ITEM = 1,            
  };
  char _flags;                  // flags to control behavior
#endif
  void enlarge(int count);
public:
  Fl_Tree_Item_Array(int new_chunksize = 10);           // CTOR
  ~Fl_Tree_Item_Array();                                // DTOR
  Fl_Tree_Item_Array(const Fl_Tree_Item_Array *o);      // COPY CTOR
  Fl_Tree_Item *operator[](int i) {
    return(_items[i]);
  }

  const Fl_Tree_Item *operator[](int i) const {
    return(_items[i]);
  }

  int total() const {
    return(_total);
  }

#if FLTK_ABI_VERSION >= 10301
  // NEW -- code moved to .cxx
  void swap(int ax, int bx);
#else /*FLTK_ABI_VERSION*/
  // OLD
  void swap(int ax, int bx) {
    Fl_Tree_Item *asave = _items[ax];
    _items[ax] = _items[bx];
    _items[bx] = asave;
  }
#endif /*FLTK_ABI_VERSION*/
  int move(int to, int from);
  int deparent(int pos);
  int reparent(Fl_Tree_Item *item, Fl_Tree_Item *newparent, int pos);
  void clear();
  void add(Fl_Tree_Item *val);
  void insert(int pos, Fl_Tree_Item *new_item);
  void replace(int pos, Fl_Tree_Item *new_item);
  void remove(int index);
  int  remove(Fl_Tree_Item *item);
#if FLTK_ABI_VERSION >= 10303
  void manage_item_destroy(int val) {
    if ( val ) _flags |= MANAGE_ITEM; else _flags &= ~MANAGE_ITEM;
  }
  int manage_item_destroy() const {
    return _flags & MANAGE_ITEM ? 1 : 0;
  }
#endif
};
 
#endif /*_FL_TREE_ITEM_ARRAY_H*/
 
//
// End of "$Id$".
//