| 1 | /****************************************************************************
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| 2 | * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. *
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| 3 | * *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a *
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| 5 | * copy of this software and associated documentation files (the *
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| 6 | * "Software"), to deal in the Software without restriction, including *
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| 7 | * without limitation the rights to use, copy, modify, merge, publish, *
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| 8 | * distribute, distribute with modifications, sublicense, and/or sell *
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| 9 | * copies of the Software, and to permit persons to whom the Software is *
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| 10 | * furnished to do so, subject to the following conditions: *
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| 11 | * *
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| 12 | * The above copyright notice and this permission notice shall be included *
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| 13 | * in all copies or substantial portions of the Software. *
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| 14 | * *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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| 18 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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| 21 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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| 22 | * *
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| 23 | * Except as contained in this notice, the name(s) of the above copyright *
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| 24 | * holders shall not be used in advertising or otherwise to promote the *
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| 25 | * sale, use or other dealings in this Software without prior written *
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| 26 | * authorization. *
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| 27 | ****************************************************************************/
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| 28 |
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| 29 | /****************************************************************************
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| 30 | * Author: Juergen Pfeifer, 1995,1997 *
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| 31 | ****************************************************************************/
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| 32 |
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| 33 | /***************************************************************************
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| 34 | * Module m_new *
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| 35 | * Creation and destruction of new menus *
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| 36 | ***************************************************************************/
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| 37 |
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| 38 | #include "menu.priv.h"
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| 39 |
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| 40 | MODULE_ID("$Id: m_new.c,v 1.16 2004/12/25 21:57:53 tom Exp $")
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| 41 |
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| 42 | /*---------------------------------------------------------------------------
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| 43 | | Facility : libnmenu
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| 44 | | Function : MENU *new_menu(ITEM **items)
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| 45 | |
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| 46 | | Description : Creates a new menu connected to the item pointer
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| 47 | | array items and returns a pointer to the new menu.
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| 48 | | The new menu is initialized with the values from the
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| 49 | | default menu.
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| 50 | |
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| 51 | | Return Values : NULL on error
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| 52 | +--------------------------------------------------------------------------*/
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| 53 | NCURSES_EXPORT(MENU *)
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| 54 | new_menu(ITEM ** items)
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| 55 | {
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| 56 | MENU *menu = (MENU *) calloc(1, sizeof(MENU));
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| 57 |
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| 58 | T((T_CALLED("new_menu(%p)"), items));
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| 59 | if (menu)
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| 60 | {
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| 61 | *menu = _nc_Default_Menu;
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| 62 | menu->status = 0;
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| 63 | menu->rows = menu->frows;
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| 64 | menu->cols = menu->fcols;
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| 65 | if (items && *items)
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| 66 | {
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| 67 | if (!_nc_Connect_Items(menu, items))
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| 68 | {
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| 69 | free(menu);
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| 70 | menu = (MENU *) 0;
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| 71 | }
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| 72 | }
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| 73 | }
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| 74 |
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| 75 | if (!menu)
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| 76 | SET_ERROR(E_SYSTEM_ERROR);
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| 77 |
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| 78 | returnMenu(menu);
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| 79 | }
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| 80 |
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| 81 | /*---------------------------------------------------------------------------
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| 82 | | Facility : libnmenu
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| 83 | | Function : int free_menu(MENU *menu)
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| 84 | |
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| 85 | | Description : Disconnects menu from its associated item pointer
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| 86 | | array and frees the storage allocated for the menu.
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| 87 | |
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| 88 | | Return Values : E_OK - success
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| 89 | | E_BAD_ARGUMENT - Invalid menu pointer passed
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| 90 | | E_POSTED - Menu is already posted
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| 91 | +--------------------------------------------------------------------------*/
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| 92 | NCURSES_EXPORT(int)
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| 93 | free_menu(MENU * menu)
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| 94 | {
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| 95 | T((T_CALLED("free_menu(%p)"), menu));
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| 96 | if (!menu)
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| 97 | RETURN(E_BAD_ARGUMENT);
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| 98 |
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| 99 | if (menu->status & _POSTED)
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| 100 | RETURN(E_POSTED);
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| 101 |
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| 102 | if (menu->items)
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| 103 | _nc_Disconnect_Items(menu);
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| 104 |
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| 105 | if ((menu->status & _MARK_ALLOCATED) && menu->mark)
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| 106 | free(menu->mark);
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| 107 |
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| 108 | free(menu);
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| 109 | RETURN(E_OK);
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| 110 | }
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| 111 |
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| 112 | /* m_new.c ends here */
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