X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_cursor.c;h=77f9c759269f4eb5e8189a170f83a68659dc7030;hp=9ad0b12e8b50049601315d271c13514e3c98ffb2;hb=5b7f4de105080e2a715b0564ede4bb7eb6767659;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c diff --git a/menu/m_cursor.c b/menu/m_cursor.c index 9ad0b12e..77f9c759 100644 --- a/menu/m_cursor.c +++ b/menu/m_cursor.c @@ -1,79 +1,112 @@ -/*-----------------------------------------------------------------------------+ -| 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) 1998-2005,2009 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_cursor * -* Correctly position a menus cursor * +* Module m_cursor * +* Correctly position a menu's cursor * ***************************************************************************/ #include "menu.priv.h" -MODULE_ID("$Id: m_cursor.c,v 1.7 1997/05/01 16:47:26 juergen Exp $") +MODULE_ID("$Id: m_cursor.c,v 1.21 2009/02/28 21:02:46 juergen Exp $") /*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : pos_menu_cursor -| -| Description : Position logical cursor to current item in menu +| Facility : libnmenu +| Function : _nc_menu_cursor_pos +| +| Description : Return position of logical cursor to current item | | Return Values : E_OK - success | E_BAD_ARGUMENT - invalid menu | E_NOT_POSTED - Menu is not posted +--------------------------------------------------------------------------*/ -int pos_menu_cursor(const MENU * menu) +NCURSES_EXPORT(int) +_nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX) { - if (!menu) - RETURN(E_BAD_ARGUMENT); + if (!menu || !pX || !pY) + return (E_BAD_ARGUMENT); else { - ITEM *item; - int x, y; - WINDOW *win, *sub; - - if ( !( menu->status & _POSTED ) ) - RETURN(E_NOT_POSTED); - - item = menu->curitem; - assert(item); - - x = item->x * (menu->spc_cols + menu->itemlen); - y = (item->y - menu->toprow) * menu->spc_rows; - win = menu->userwin ? menu->userwin : stdscr; + if ((ITEM *) 0 == item) + item = menu->curitem; + assert(item != (ITEM *) 0); + + if (!(menu->status & _POSTED)) + return (E_NOT_POSTED); + + *pX = item->x * (menu->spc_cols + menu->itemlen); + *pY = (item->y - menu->toprow) * menu->spc_rows; + } + return (E_OK); +} + +/*--------------------------------------------------------------------------- +| Facility : libnmenu +| Function : pos_menu_cursor +| +| Description : Position logical cursor to current item in menu +| +| Return Values : E_OK - success +| E_BAD_ARGUMENT - invalid menu +| E_NOT_POSTED - Menu is not posted ++--------------------------------------------------------------------------*/ +NCURSES_EXPORT(int) +pos_menu_cursor(const MENU * menu) +{ + WINDOW *win, *sub; + int x = 0, y = 0; + int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); + + T((T_CALLED("pos_menu_cursor(%p)"), menu)); + + if (E_OK == err) + { + win = Get_Menu_UserWin(menu); sub = menu->usersub ? menu->usersub : win; assert(win && sub); - + if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0)) - x += ( menu->pindex + menu->marklen - 1); - - wmove(sub,y,x); - - if ( win != sub ) + x += (menu->pindex + menu->marklen - 1); + + wmove(sub, y, x); + + if (win != sub) { wcursyncup(sub); wsyncup(sub); untouchwin(sub); - } + } } - RETURN(E_OK); + RETURN(err); } /* m_cursor.c ends here */