/**************************************************************************** * Copyright (c) 1998-2003,2004 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_opts * * Menus option routines * ***************************************************************************/ #include "menu.priv.h" MODULE_ID("$Id: m_opts.c,v 1.19 2004/12/25 21:36:12 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int set_menu_opts(MENU *menu, Menu_Options opts) | | Description : Set the options for this menu. If the new settings | end up in a change of the geometry of the menu, it | will be recalculated. This operation is forbidden if | the menu is already posted. | | Return Values : E_OK - success | E_BAD_ARGUMENT - invalid menu options | E_POSTED - menu is already posted +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) set_menu_opts(MENU * menu, Menu_Options opts) { T((T_CALLED("set_menu_opts(%p,%d)"), menu, opts)); opts &= ALL_MENU_OPTS; if (opts & ~ALL_MENU_OPTS) RETURN(E_BAD_ARGUMENT); if (menu) { if (menu->status & _POSTED) RETURN(E_POSTED); if ((opts & O_ROWMAJOR) != (menu->opt & O_ROWMAJOR)) { /* we need this only if the layout really changed ... */ if (menu->items && menu->items[0]) { menu->toprow = 0; menu->curitem = menu->items[0]; assert(menu->curitem); set_menu_format(menu, menu->frows, menu->fcols); } } menu->opt = opts; if (opts & O_ONEVALUE) { ITEM **item; if (((item = menu->items) != (ITEM **) 0)) for (; *item; item++) (*item)->value = FALSE; } if (opts & O_SHOWDESC) /* this also changes the geometry */ _nc_Calculate_Item_Length_and_Width(menu); } else _nc_Default_Menu.opt = opts; RETURN(E_OK); } /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int menu_opts_off(MENU *menu, Menu_Options opts) | | Description : Switch off the options for this menu. If the new settings | end up in a change of the geometry of the menu, it | will be recalculated. This operation is forbidden if | the menu is already posted. | | Return Values : E_OK - success | E_BAD_ARGUMENT - invalid options | E_POSTED - menu is already posted +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) menu_opts_off(MENU * menu, Menu_Options opts) { MENU *cmenu = menu; /* use a copy because set_menu_opts must detect NULL menu itself to adjust its behavior */ T((T_CALLED("menu_opts_off(%p,%d)"), menu, opts)); opts &= ALL_MENU_OPTS; if (opts & ~ALL_MENU_OPTS) RETURN(E_BAD_ARGUMENT); else { Normalize_Menu(cmenu); opts = cmenu->opt & ~opts; returnCode(set_menu_opts(menu, opts)); } } /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int menu_opts_on(MENU *menu, Menu_Options opts) | | Description : Switch on the options for this menu. If the new settings | end up in a change of the geometry of the menu, it | will be recalculated. This operation is forbidden if | the menu is already posted. | | Return Values : E_OK - success | E_BAD_ARGUMENT - invalid menu options | E_POSTED - menu is already posted +--------------------------------------------------------------------------*/ NCURSES_EXPORT(int) menu_opts_on(MENU * menu, Menu_Options opts) { MENU *cmenu = menu; /* use a copy because set_menu_opts must detect NULL menu itself to adjust its behavior */ T((T_CALLED("menu_opts_on(%p,%d)"), menu, opts)); opts &= ALL_MENU_OPTS; if (opts & ~ALL_MENU_OPTS) RETURN(E_BAD_ARGUMENT); else { Normalize_Menu(cmenu); opts = cmenu->opt | opts; returnCode(set_menu_opts(menu, opts)); } } /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : Menu_Options menu_opts(const MENU *menu) | | Description : Return the options for this menu. | | Return Values : Menu options +--------------------------------------------------------------------------*/ NCURSES_EXPORT(Menu_Options) menu_opts(const MENU * menu) { T((T_CALLED("menu_opts(%p)"), menu)); returnMenuOpts(ALL_MENU_OPTS & Normalize_Menu(menu)->opt); } /* m_opts.c ends here */