-/*-----------------------------------------------------------------------------+
-| The ncurses menu library is Copyright (C) 1995-1997 |
-| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
-| All Rights Reserved. |
-| |
-| Permission to use, copy, modify, and distribute this software and its |
-| documentation for any purpose and without fee is hereby granted, provided |
-| that the above copyright notice appear in all copies and that both that |
-| copyright notice and this permission notice appear in supporting |
-| documentation, and that the name of the above listed copyright holder(s) not |
-| be used in advertising or publicity pertaining to distribution of the |
-| software without specific, written prior permission. |
-| |
-| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
-| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
-| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
-| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
-| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
-| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
-| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
-+-----------------------------------------------------------------------------*/
+/****************************************************************************
+ * Copyright (c) 1998-2005,2009 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 menu_cursor *
-* Correctly position a menus cursor *
+* Module m_cursor *
+* Correctly position a menu's cursor *
***************************************************************************/
#include "menu.priv.h"
-MODULE_ID("$Id: m_cursor.c,v 1.7 1997/05/01 16:47:26 juergen Exp $")
+MODULE_ID("$Id: m_cursor.c,v 1.21 2009/02/28 21:02:46 juergen Exp $")
/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : pos_menu_cursor
-|
-| Description : Position logical cursor to current item in menu
+| 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 pos_menu_cursor(const MENU * menu)
+NCURSES_EXPORT(int)
+_nc_menu_cursor_pos(const MENU * menu, const ITEM * item, int *pY, int *pX)
{
- if (!menu)
- RETURN(E_BAD_ARGUMENT);
+ if (!menu || !pX || !pY)
+ return (E_BAD_ARGUMENT);
else
{
- ITEM *item;
- int x, y;
- WINDOW *win, *sub;
-
- if ( !( menu->status & _POSTED ) )
- RETURN(E_NOT_POSTED);
-
- item = menu->curitem;
- assert(item);
-
- x = item->x * (menu->spc_cols + menu->itemlen);
- y = (item->y - menu->toprow) * menu->spc_rows;
- win = menu->userwin ? menu->userwin : stdscr;
+ 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 = Get_Menu_UserWin(menu);
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 )
+ x += (menu->pindex + menu->marklen - 1);
+
+ wmove(sub, y, x);
+
+ if (win != sub)
{
wcursyncup(sub);
wsyncup(sub);
untouchwin(sub);
- }
+ }
}
- RETURN(E_OK);
+ RETURN(err);
}
/* m_cursor.c ends here */
projects / ncurses.git / blobdiff