1/****************************************************************************
2 * Copyright (c) 1998-2004,2006 Free Software Foundation, Inc.              *
3 *                                                                          *
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5 * copy of this software and associated documentation files (the            *
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10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
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14 *                                                                          *
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22 *                                                                          *
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27 ****************************************************************************/
28
29/****************************************************************************
30 *   Author:  Juergen Pfeifer, 1995,1997                                    *
31 ****************************************************************************/
32
33/***************************************************************************
34* Module m_new                                                             *
35* Creation and destruction of new menus                                    *
36***************************************************************************/
37
38#include "menu.priv.h"
39
40MODULE_ID("$Id: m_new.c,v 1.18 2006/11/04 19:04:06 tom Exp $")
41
42/*---------------------------------------------------------------------------
43|   Facility      :  libnmenu
44|   Function      :  MENU *new_menu(ITEM **items)
45|
46|   Description   :  Creates a new menu connected to the item pointer
47|                    array items and returns a pointer to the new menu.
48|                    The new menu is initialized with the values from the
49|                    default menu.
50|
51|   Return Values :  NULL on error
52+--------------------------------------------------------------------------*/
53NCURSES_EXPORT(MENU *)
54new_menu(ITEM ** items)
55{
56  int err = E_SYSTEM_ERROR;
57  MENU *menu = (MENU *) calloc(1, sizeof(MENU));
58
59  T((T_CALLED("new_menu(%p)"), items));
60  if (menu)
61    {
62      *menu = _nc_Default_Menu;
63      menu->status = 0;
64      menu->rows = menu->frows;
65      menu->cols = menu->fcols;
66      if (items && *items)
67	{
68	  if (!_nc_Connect_Items(menu, items))
69	    {
70	      err = E_NOT_CONNECTED;
71	      free(menu);
72	      menu = (MENU *) 0;
73	    }
74	}
75    }
76
77  if (!menu)
78    SET_ERROR(err);
79
80  returnMenu(menu);
81}
82
83/*---------------------------------------------------------------------------
84|   Facility      :  libnmenu
85|   Function      :  int free_menu(MENU *menu)
86|
87|   Description   :  Disconnects menu from its associated item pointer
88|                    array and frees the storage allocated for the menu.
89|
90|   Return Values :  E_OK               - success
91|                    E_BAD_ARGUMENT     - Invalid menu pointer passed
92|                    E_POSTED           - Menu is already posted
93+--------------------------------------------------------------------------*/
94NCURSES_EXPORT(int)
95free_menu(MENU * menu)
96{
97  T((T_CALLED("free_menu(%p)"), menu));
98  if (!menu)
99    RETURN(E_BAD_ARGUMENT);
100
101  if (menu->status & _POSTED)
102    RETURN(E_POSTED);
103
104  if (menu->items)
105    _nc_Disconnect_Items(menu);
106
107  if ((menu->status & _MARK_ALLOCATED) && menu->mark)
108    free(menu->mark);
109
110  free(menu);
111  RETURN(E_OK);
112}
113
114/* m_new.c ends here */
115