X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_item_cur.c;h=dac12ed91c5e65ec5feca3aa1f68503add41415b;hp=9881666f577ec907e482942528fa7f1dc4272789;hb=9c9ca6d67ecb4d929b7239cadbd79db649bdf8c6;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c diff --git a/menu/m_item_cur.c b/menu/m_item_cur.c index 9881666f..dac12ed9 100644 --- a/menu/m_item_cur.c +++ b/menu/m_item_cur.c @@ -1,33 +1,43 @@ -/*-----------------------------------------------------------------------------+ -| The ncurses menu library is Copyright (C) 1995-1997 | -| by Juergen Pfeifer | -| All Rights Reserved. | -| | -| Permission to use, copy, modify, and distribute this software and its | -| documentation for any purpose and without fee is hereby granted, provided | -| that the above copyright notice appear in all copies and that both that | -| copyright notice and this permission notice appear in supporting | -| documentation, and that the name of the above listed copyright holder(s) not | -| be used in advertising or publicity pertaining to distribution of the | -| software without specific, written prior permission. | -| | -| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO | -| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- | -| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR | -| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- | -| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, | -| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH | -| THE USE OR PERFORMANCE OF THIS SOFTWARE. | -+-----------------------------------------------------------------------------*/ +/**************************************************************************** + * 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 menu_item_cur * +* Module m_item_cur * * Set and get current menus item * ***************************************************************************/ #include "menu.priv.h" -MODULE_ID("$Id: m_item_cur.c,v 1.7 1997/05/01 16:47:26 juergen Exp $") +MODULE_ID("$Id: m_item_cur.c,v 1.17 2004/12/25 21:57:38 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu @@ -37,14 +47,17 @@ MODULE_ID("$Id: m_item_cur.c,v 1.7 1997/05/01 16:47:26 juergen Exp $") | | Return Values : E_OK - success +--------------------------------------------------------------------------*/ -int set_current_item(MENU * menu, ITEM * item) +NCURSES_EXPORT(int) +set_current_item(MENU * menu, ITEM * item) { - if (menu && item && (item->imenu==menu)) + T((T_CALLED("set_current_item(%p,%p)"), menu, item)); + + if (menu && item && (item->imenu == menu)) { - if ( menu->status & _IN_DRIVER ) + if (menu->status & _IN_DRIVER) RETURN(E_BAD_STATE); - - assert( menu->curitem ); + + assert(menu->curitem); if (item != menu->curitem) { if (menu->status & _LINK_NEEDED) @@ -58,12 +71,12 @@ int set_current_item(MENU * menu, ITEM * item) assert(menu->pattern); Reset_Pattern(menu); /* adjust the window to make item visible and update the menu */ - Adjust_Current_Item(menu,menu->toprow,item); + Adjust_Current_Item(menu, menu->toprow, item); } } else RETURN(E_BAD_ARGUMENT); - + RETURN(E_OK); } @@ -75,9 +88,11 @@ int set_current_item(MENU * menu, ITEM * item) | | Return Values : Item pointer or NULL if failure +--------------------------------------------------------------------------*/ -ITEM *current_item(const MENU * menu) +NCURSES_EXPORT(ITEM *) +current_item(const MENU * menu) { - return (menu && menu->items) ? menu->curitem : (ITEM *)0; + T((T_CALLED("current_item(%p)"), menu)); + returnItem((menu && menu->items) ? menu->curitem : (ITEM *) 0); } /*--------------------------------------------------------------------------- @@ -88,69 +103,11 @@ ITEM *current_item(const MENU * menu) | | Return Values : The index or ERR if this is an invalid item pointer +--------------------------------------------------------------------------*/ -int item_index(const ITEM *item) -{ - return (item && item->imenu) ? item->index : ERR; -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int set_top_row(MENU *menu, int row) -| -| Description : Makes the speified row the top row in the menu -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - not a menu pointer or invalid row -| E_NOT_CONNECTED - there are no items for the menu -+--------------------------------------------------------------------------*/ -int set_top_row(MENU * menu, int row) -{ - ITEM *item; - - if (menu) - { - if ( menu->status & _IN_DRIVER ) - RETURN(E_BAD_STATE); - if (menu->items == (ITEM **)0) - RETURN(E_NOT_CONNECTED); - - if ((row<0) || (row > (menu->rows - menu->arows))) - RETURN(E_BAD_ARGUMENT); - } - else - RETURN(E_BAD_ARGUMENT); - - if (row != menu->toprow) - { - if (menu->status & _LINK_NEEDED) - _nc_Link_Items(menu); - - item = menu->items[ (menu->opt&O_ROWMAJOR) ? (row*menu->cols) : row ]; - assert(menu->pattern); - Reset_Pattern(menu); - _nc_New_TopRow_and_CurrentItem(menu, row, item); - } - - RETURN(E_OK); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int top_row(const MENU *) -| -| Description : Return the top row of the menu -| -| Return Values : The row number or ERR if there is no row -+--------------------------------------------------------------------------*/ -int top_row(const MENU * menu) +NCURSES_EXPORT(int) +item_index(const ITEM * item) { - if (menu && menu->items && *(menu->items)) - { - assert( (menu->toprow>=0) && (menu->toprow < menu->rows) ); - return menu->toprow; - } - else - return(ERR); + T((T_CALLED("item_index(%p)"), item)); + returnCode((item && item->imenu) ? item->index : ERR); } /* m_item_cur.c ends here */