contrib/ncurses-5.4/menu/m_scale.c

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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 /***************************************************************************
  34 * Module m_scale                                                           *
  35 * Menu scaling routine                                                     *
  36 ***************************************************************************/
  37
  38 #include "menu.priv.h"
  39
  40 MODULE_ID("$Id: m_scale.c,v 1.7 2003/10/25 14:54:48 tom Exp $")
  41
  42 /*---------------------------------------------------------------------------
  43 |   Facility      :  libnmenu
  44 |   Function      :  int scale_menu(const MENU *menu)
  45 |
  46 |   Description   :  Returns the minimum window size necessary for the
  47 |                    subwindow of menu.
  48 |
  49 |   Return Values :  E_OK                  - success
  50 |                    E_BAD_ARGUMENT        - invalid menu pointer
  51 |                    E_NOT_CONNECTED       - no items are connected to menu
  52 +--------------------------------------------------------------------------*/
  53 NCURSES_EXPORT(int)
  54 scale_menu (const MENU *menu, int *rows, int *cols)
  55 {
  56   if (!menu)
  57     RETURN( E_BAD_ARGUMENT );
  58
  59   if (menu->items && *(menu->items))
  60     {
  61       if (rows)
  62         *rows = menu->height;
  63       if (cols)
  64         *cols = menu->width;
  65       RETURN(E_OK);
  66     }
  67   else
  68     RETURN( E_NOT_CONNECTED );
  69 }
  70
  71 /* m_scale.c ends here */
  72