contrib/ncurses/menu/m_sub.c

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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 /***************************************************************************
  34 * Module m_sub                                                             *
  35 * Menus subwindow association routines                                     *
  36 ***************************************************************************/
  37
  38 #include "menu.priv.h"
  39
  40 MODULE_ID("$Id: m_sub.c,v 1.10 2004/12/25 21:38:31 tom Exp $")
  41
  42 /*---------------------------------------------------------------------------
  43 |   Facility      :  libnmenu
  44 |   Function      :  int set_menu_sub(MENU *menu, WINDOW *win)
  45 |
  46 |   Description   :  Sets the subwindow of the menu.
  47 |
  48 |   Return Values :  E_OK           - success
  49 |                    E_POSTED       - menu is already posted
  50 +--------------------------------------------------------------------------*/
  51 NCURSES_EXPORT(int)
  52 set_menu_sub(MENU * menu, WINDOW *win)
  53 {
  54   T((T_CALLED("set_menu_sub(%p,%p)"), menu, win));
  55
  56   if (menu)
  57     {
  58       if (menu->status & _POSTED)
  59         RETURN(E_POSTED);
  60       menu->usersub = win;
  61       _nc_Calculate_Item_Length_and_Width(menu);
  62     }
  63   else
  64     _nc_Default_Menu.usersub = win;
  65
  66   RETURN(E_OK);
  67 }
  68
  69 /*---------------------------------------------------------------------------
  70 |   Facility      :  libnmenu
  71 |   Function      :  WINDOW *menu_sub(const MENU *menu)
  72 |
  73 |   Description   :  Returns a pointer to the subwindow of the menu
  74 |
  75 |   Return Values :  NULL on error, otherwise a pointer to the window
  76 +--------------------------------------------------------------------------*/
  77 NCURSES_EXPORT(WINDOW *)
  78 menu_sub(const MENU * menu)
  79 {
  80   const MENU *m = Normalize_Menu(menu);
  81
  82   T((T_CALLED("menu_sub(%p)"), menu));
  83   returnWin(Get_Menu_Window(m));
  84 }
  85
  86 /* m_sub.c ends here */