contrib/ncurses-5.4/menu/m_pad.c

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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 /***************************************************************************
  34 * Module m_pad                                                             *
  35 * Control menus padding character                                          *
  36 ***************************************************************************/
  37
  38 #include "menu.priv.h"
  39
  40 MODULE_ID("$Id: m_pad.c,v 1.7 2003/10/25 14:54:48 tom Exp $")
  41
  42 /* Macro to redraw menu if it is posted and changed */
  43 #define Refresh_Menu(menu) \
  44    if ( (menu) && ((menu)->status & _POSTED) )\
  45    {\
  46       _nc_Draw_Menu( menu );\
  47       _nc_Show_Menu( menu );\
  48    }
  49
  50 /*---------------------------------------------------------------------------
  51 |   Facility      :  libnmenu
  52 |   Function      :  int set_menu_pad(MENU *menu, int pad)
  53 |
  54 |   Description   :  Set the character to be used to separate the item name
  55 |                    from its description. This must be a printable
  56 |                    character.
  57 |
  58 |   Return Values :  E_OK              - success
  59 |                    E_BAD_ARGUMENT    - an invalid value has been passed
  60 +--------------------------------------------------------------------------*/
  61 NCURSES_EXPORT(int)
  62 set_menu_pad (MENU *menu, int pad)
  63 {
  64   bool do_refresh = (menu != (MENU*)0);
  65
  66   if (!isprint((unsigned char)pad))
  67     RETURN(E_BAD_ARGUMENT);
  68
  69   Normalize_Menu( menu );
  70   menu->pad = pad;
  71
  72   if (do_refresh)
  73       Refresh_Menu( menu );
  74
  75   RETURN(E_OK);
  76 }
  77
  78 /*---------------------------------------------------------------------------
  79 |   Facility      :  libnmenu
  80 |   Function      :  int menu_pad(const MENU *menu)
  81 |
  82 |   Description   :  Return the value of the padding character
  83 |
  84 |   Return Values :  The pad character
  85 +--------------------------------------------------------------------------*/
  86 NCURSES_EXPORT(int)
  87 menu_pad (const MENU * menu)
  88 {
  89   return (Normalize_Menu( menu ) -> pad);
  90 }
  91
  92 /* m_pad.c ends here */