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/* $OpenBSD: m_cursor.c,v 1.8 2010/01/12 23:22:07 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2004,2005 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, 1995,1997 * |
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****************************************************************************/ |
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/*************************************************************************** |
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* Module m_cursor * |
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* Correctly position a menu's cursor * |
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***************************************************************************/ |
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#include "menu.priv.h" |
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MODULE_ID("$Id: m_cursor.c,v 1.8 2010/01/12 23:22:07 nicm 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(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 = 0, y = 0; |
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int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x); |
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T((T_CALLED("pos_menu_cursor(%p)"), menu)); |
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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 */ |