/****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
+ * Copyright 2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2010,2012 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 *
#include "menu.priv.h"
-MODULE_ID("$Id: m_format.c,v 1.12 2003/10/25 14:54:48 tom Exp $")
+MODULE_ID("$Id: m_format.c,v 1.22 2021/03/27 23:46:29 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
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
-set_menu_format (MENU *menu, int rows, int cols)
+MENU_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 )
+ int total_rows, total_cols;
+
+ 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;
+
+ menu->frows = (short)rows;
+ menu->fcols = (short)cols;
+
+ 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 = (short)total_rows;
+ menu->cols = (short)total_cols;
+ menu->arows = (short)minimum(total_rows, rows);
+ menu->toprow = 0;
menu->curitem = *(menu->items);
assert(menu->curitem);
- menu->status |= _LINK_NEEDED;
+ SetStatus(menu, _LINK_NEEDED);
_nc_Calculate_Item_Length_and_Width(menu);
}
else
{
- if (rows>0) _nc_Default_Menu.frows = rows;
- if (cols>0) _nc_Default_Menu.fcols = cols;
+ if (rows > 0)
+ _nc_Default_Menu.frows = (short)rows;
+ if (cols > 0)
+ _nc_Default_Menu.fcols = (short)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 : -
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(void)
-menu_format (const MENU *menu, int *rows, int *cols)
+MENU_EXPORT(void)
+menu_format(const MENU *menu, int *rows, int *cols)
{
if (rows)
*rows = Normalize_Menu(menu)->frows;