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112 lines
4.6 KiB
C
112 lines
4.6 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module m_cursor *
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* Correctly position a menus cursor *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_cursor.c,v 1.14 2000/12/10 02:16:48 tom Exp $")
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : _nc_menu_cursor_pos
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| Description : Return position of logical cursor to current item
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid menu
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| E_NOT_POSTED - Menu is not posted
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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_nc_menu_cursor_pos
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(const MENU* menu, const ITEM* item, int* pY, int* pX)
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{
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if (!menu || !pX || !pY)
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return(E_BAD_ARGUMENT);
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else
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{
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if ((ITEM*)0 == item)
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item = menu->curitem;
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assert(item!=(ITEM*)0);
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if ( !( menu->status & _POSTED ) )
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return(E_NOT_POSTED);
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*pX = item->x * (menu->spc_cols + menu->itemlen);
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*pY = (item->y - menu->toprow) * menu->spc_rows;
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}
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return(E_OK);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : pos_menu_cursor
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| Description : Position logical cursor to current item in menu
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid menu
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| E_NOT_POSTED - Menu is not posted
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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pos_menu_cursor (const MENU * menu)
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{
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WINDOW *win, *sub;
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int x, y;
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int err = _nc_menu_cursor_pos(menu,(ITEM*)0,&y,&x);
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if (E_OK==err)
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{
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win = menu->userwin ? menu->userwin : stdscr;
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sub = menu->usersub ? menu->usersub : win;
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assert(win && sub);
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if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0))
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x += ( menu->pindex + menu->marklen - 1);
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wmove(sub,y,x);
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if ( win != sub )
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{
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wcursyncup(sub);
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wsyncup(sub);
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untouchwin(sub);
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}
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}
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RETURN(err);
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}
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/* m_cursor.c ends here */
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