-/*-----------------------------------------------------------------------------+
-| 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) 1998-2004,2010 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_format *
+* Module m_format *
* Set and get maximum numbers of rows and columns in menus *
***************************************************************************/
#include "menu.priv.h"
-MODULE_ID("$Id: m_format.c,v 1.5 1997/05/01 16:47:26 juergen Exp $")
+MODULE_ID("$Id: m_format.c,v 1.16 2010/01/23 21:20:10 tom Exp $")
#define minimum(a,b) ((a)<(b) ? (a): (b))
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : int set_menu_format(MENU *menu, int rows, int cols)
-|
+|
| Description : Sets the maximum number of rows and columns of items
| that may be displayed at one time on a menu. If the
| menu contains more items than can be displayed at
| E_NOT_CONNECTED - there are no items connected
| E_POSTED - the menu is already posted
+--------------------------------------------------------------------------*/
-int set_menu_format(MENU *menu, int rows, int cols)
+NCURSES_EXPORT(int)
+set_menu_format(MENU * menu, int rows, int cols)
{
int total_rows, total_cols;
-
- if (rows<0 || cols<0)
+
+ T((T_CALLED("set_menu_format(%p,%d,%d)"), (void *)menu, rows, cols));
+
+ if (rows < 0 || cols < 0)
RETURN(E_BAD_ARGUMENT);
-
+
if (menu)
{
- if ( menu->status & _POSTED )
+ if (menu->status & _POSTED)
RETURN(E_POSTED);
-
+
if (!(menu->items))
RETURN(E_NOT_CONNECTED);
-
- if (rows==0)
+
+ if (rows == 0)
rows = menu->frows;
- if (cols==0)
+ if (cols == 0)
cols = menu->fcols;
-
+
if (menu->pattern)
Reset_Pattern(menu);
-
+
menu->frows = rows;
menu->fcols = cols;
-
- assert(rows>0 && cols>0);
- total_rows = (menu->nitems - 1)/cols + 1;
- total_cols = (menu->status & O_ROWMAJOR) ?
- minimum(menu->nitems,cols) :
- (menu->nitems-1)/total_rows + 1;
-
- menu->rows = total_rows;
- menu->cols = total_cols;
- menu->arows = minimum(total_rows,rows);
- menu->toprow = 0;
+
+ assert(rows > 0 && cols > 0);
+ total_rows = (menu->nitems - 1) / cols + 1;
+ total_cols = (menu->opt & O_ROWMAJOR) ?
+ minimum(menu->nitems, cols) :
+ (menu->nitems - 1) / total_rows + 1;
+
+ menu->rows = total_rows;
+ menu->cols = total_cols;
+ menu->arows = minimum(total_rows, rows);
+ menu->toprow = 0;
menu->curitem = *(menu->items);
assert(menu->curitem);
menu->status |= _LINK_NEEDED;
}
else
{
- if (rows>0) _nc_Default_Menu.frows = rows;
- if (cols>0) _nc_Default_Menu.fcols = cols;
+ if (rows > 0)
+ _nc_Default_Menu.frows = rows;
+ if (cols > 0)
+ _nc_Default_Menu.fcols = cols;
}
-
+
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void menu_format(const MENU *menu, int *rows, int *cols)
-|
+|
| Description : Returns the maximum number of rows and columns that may
| be displayed at one time on menu.
|
| Return Values : -
+--------------------------------------------------------------------------*/
-void menu_format(const MENU *menu, int *rows, int *cols)
+NCURSES_EXPORT(void)
+menu_format(const MENU * menu, int *rows, int *cols)
{
if (rows)
*rows = Normalize_Menu(menu)->frows;
projects / ncurses.git / blobdiff