111 lines
4.5 KiB
C
111 lines
4.5 KiB
C
|
/****************************************************************************
|
||
|
* Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 *
|
||
|
****************************************************************************/
|
||
|
|
||
|
/***************************************************************************
|
||
|
* Module m_cursor *
|
||
|
* Correctly position a menus cursor *
|
||
|
***************************************************************************/
|
||
|
|
||
|
#include "menu.priv.h"
|
||
|
|
||
|
MODULE_ID("$Id: m_cursor.c,v 1.13 1999/05/16 17:24:43 juergen 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
|
||
|
+--------------------------------------------------------------------------*/
|
||
|
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
|
||
|
+--------------------------------------------------------------------------*/
|
||
|
int pos_menu_cursor(const MENU * menu)
|
||
|
{
|
||
|
WINDOW *win, *sub;
|
||
|
int x, y;
|
||
|
int err = _nc_menu_cursor_pos(menu,(ITEM*)0,&y,&x);
|
||
|
|
||
|
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 */
|