xref: /freebsd/contrib/ncurses/menu/m_sub.c (revision 4c8945a06b01a5c8122cdeb402af36bb46a06acc)
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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 */
87