diff options
Diffstat (limited to 'ncurses-5.9/menu/m_new.c')
| -rw-r--r-- | ncurses-5.9/menu/m_new.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ncurses-5.9/menu/m_new.c b/ncurses-5.9/menu/m_new.c new file mode 100644 index 0000000..89721d4 --- /dev/null +++ b/ncurses-5.9/menu/m_new.c @@ -0,0 +1,142 @@ +/**************************************************************************** + * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1995,1997 * + ****************************************************************************/ + +/*************************************************************************** +* Module m_new * +* Creation and destruction of new menus * +***************************************************************************/ + +#include "menu.priv.h" + +MODULE_ID("$Id$") + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : MENU* _nc_new_menu(SCREEN*, ITEM **items) +| +| Description : Creates a new menu connected to the item pointer +| array items and returns a pointer to the new menu. +| The new menu is initialized with the values from the +| default menu. +| +| Return Values : NULL on error ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(MENU *) +NCURSES_SP_NAME(new_menu) (NCURSES_SP_DCLx ITEM ** items) +{ + int err = E_SYSTEM_ERROR; + MENU *menu = typeCalloc(MENU, 1); + + T((T_CALLED("new_menu(%p,%p)"), (void *)SP_PARM, (void *)items)); + if (menu) + { + *menu = _nc_Default_Menu; + menu->status = 0; + menu->rows = menu->frows; + menu->cols = menu->fcols; +#if NCURSES_SP_FUNCS + /* This ensures userwin and usersub are always non-null, + so we can derive always the SCREEN that this menu is + running on. */ + menu->userwin = SP_PARM->_stdscr; + menu->usersub = SP_PARM->_stdscr; +#endif + if (items && *items) + { + if (!_nc_Connect_Items(menu, items)) + { + err = E_NOT_CONNECTED; + free(menu); + menu = (MENU *) 0; + } + else + err = E_OK; + } + } + + if (!menu) + SET_ERROR(err); + + returnMenu(menu); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : MENU *new_menu(ITEM **items) +| +| Description : Creates a new menu connected to the item pointer +| array items and returns a pointer to the new menu. +| The new menu is initialized with the values from the +| default menu. +| +| Return Values : NULL on error ++--------------------------------------------------------------------------*/ +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(MENU *) +new_menu(ITEM ** items) +{ + return NCURSES_SP_NAME(new_menu) (CURRENT_SCREEN, items); +} +#endif + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : int free_menu(MENU *menu) +| +| Description : Disconnects menu from its associated item pointer +| array and frees the storage allocated for the menu. +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - Invalid menu pointer passed +| E_POSTED - Menu is already posted ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +free_menu(MENU * menu) +{ + T((T_CALLED("free_menu(%p)"), (void *)menu)); + if (!menu) + RETURN(E_BAD_ARGUMENT); + + if (menu->status & _POSTED) + RETURN(E_POSTED); + + if (menu->items) + _nc_Disconnect_Items(menu); + + if ((menu->status & _MARK_ALLOCATED) && menu->mark) + free(menu->mark); + + free(menu); + RETURN(E_OK); +} + +/* m_new.c ends here */ |