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/****************************************************************************
* Copyright (c) 1998-2004,2005 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_cursor *
* Correctly position a menu's cursor *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_cursor.c,v 1.20 2005/10/22 23:03:32 tom Exp $")
/*---------------------------------------------------------------------------
| 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
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
_nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX)
{
if (!menu || !pX || !pY)
return (E_BAD_ARGUMENT);
else
{
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 = menu->userwin ? menu->userwin : stdscr;
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)
{
wcursyncup(sub);
wsyncup(sub);
untouchwin(sub);
}
}
RETURN(err);
}
/* m_cursor.c ends here */
|
