1 /****************************************************************************
2 * Copyright 2020 Thomas E. Dickey *
3 * Copyright 1998-2009,2010 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
34 /***************************************************************************
36 * Correctly position a menu's cursor *
37 ***************************************************************************/
39 #include "menu.priv.h"
41 MODULE_ID("$Id: m_cursor.c,v 1.24 2020/05/24 01:40:20 anonymous.maarten Exp $")
43 /*---------------------------------------------------------------------------
45 | Function : _nc_menu_cursor_pos
47 | Description : Return position of logical cursor to current item
49 | Return Values : E_OK - success
50 | E_BAD_ARGUMENT - invalid menu
51 | E_NOT_POSTED - Menu is not posted
52 +--------------------------------------------------------------------------*/
54 _nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX)
56 if (!menu || !pX || !pY)
57 return (E_BAD_ARGUMENT);
60 if ((ITEM *) 0 == item)
62 assert(item != (ITEM *) 0);
64 if (!(menu->status & _POSTED))
65 return (E_NOT_POSTED);
67 *pX = item->x * (menu->spc_cols + menu->itemlen);
68 *pY = (item->y - menu->toprow) * menu->spc_rows;
73 /*---------------------------------------------------------------------------
75 | Function : pos_menu_cursor
77 | Description : Position logical cursor to current item in menu
79 | Return Values : E_OK - success
80 | E_BAD_ARGUMENT - invalid menu
81 | E_NOT_POSTED - Menu is not posted
82 +--------------------------------------------------------------------------*/
84 pos_menu_cursor(const MENU * menu)
88 int err = _nc_menu_cursor_pos(menu, (ITEM *) 0, &y, &x);
90 T((T_CALLED("pos_menu_cursor(%p)"), (const void *)menu));
94 win = Get_Menu_UserWin(menu);
95 sub = menu->usersub ? menu->usersub : win;
98 if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0))
99 x += (menu->pindex + menu->marklen - 1);
113 /* m_cursor.c ends here */