contrib/ncurses-5.4/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 1.7 2003/10/25 15:23:42 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   if (menu)
  55     {
  56       if ( menu->status & _POSTED )
  57         RETURN(E_POSTED);
  58       menu->usersub = win;
  59       _nc_Calculate_Item_Length_and_Width(menu);
  60     }
  61   else
  62     _nc_Default_Menu.usersub = win;
  63
  64   RETURN(E_OK);
  65 }
  66
  67 /*---------------------------------------------------------------------------
  68 |   Facility      :  libnmenu
  69 |   Function      :  WINDOW *menu_sub(const MENU *menu)
  70 |
  71 |   Description   :  Returns a pointer to the subwindow of the menu
  72 |
  73 |   Return Values :  NULL on error, otherwise a pointer to the window
  74 +--------------------------------------------------------------------------*/
  75 NCURSES_EXPORT(WINDOW *)
  76 menu_sub (const MENU * menu)
  77 {
  78   const MENU* m = Normalize_Menu(menu);
  79   return Get_Menu_Window(m);
  80 }
  81
  82 /* m_sub.c ends here */