xref: /freebsd/contrib/ncurses/form/frm_sub.c (revision 27c43fe1f3795622c5bd4bbfc465a29a800c0799)
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28 
29 /****************************************************************************
30  *   Author:  Juergen Pfeifer, 1995-1997,2009                               *
31  ****************************************************************************/
32 
33 #include "form.priv.h"
34 
35 MODULE_ID("$Id: frm_sub.c,v 1.12 2010/01/23 21:14:36 tom Exp $")
36 
37 /*---------------------------------------------------------------------------
38 |   Facility      :  libnform
39 |   Function      :  int set_form_sub(FORM *form, WINDOW *win)
40 |
41 |   Description   :  Set the subwindow of the form to win.
42 |
43 |   Return Values :  E_OK       - success
44 |                    E_POSTED   - form is posted
45 +--------------------------------------------------------------------------*/
46 NCURSES_EXPORT(int)
47 set_form_sub(FORM *form, WINDOW *win)
48 {
49   T((T_CALLED("set_form_sub(%p,%p)"), (void *)form, (void *)win));
50 
51   if (form && (form->status & _POSTED))
52     RETURN(E_POSTED);
53   else
54     {
55 #if NCURSES_SP_FUNCS
56       FORM *f = Normalize_Form(form);
57 
58       f->sub = win ? win : StdScreen(Get_Form_Screen(f));
59       RETURN(E_OK);
60 #else
61       Normalize_Form(form)->sub = win;
62       RETURN(E_OK);
63 #endif
64     }
65 }
66 
67 /*---------------------------------------------------------------------------
68 |   Facility      :  libnform
69 |   Function      :  WINDOW *form_sub(const FORM *)
70 |
71 |   Description   :  Retrieve the window of the form.
72 |
73 |   Return Values :  The pointer to the Subwindow.
74 +--------------------------------------------------------------------------*/
75 NCURSES_EXPORT(WINDOW *)
76 form_sub(const FORM *form)
77 {
78   const FORM *f;
79 
80   T((T_CALLED("form_sub(%p)"), (const void *)form));
81 
82   f = Normalize_Form(form);
83   returnWin(Get_Form_Window(f));
84 }
85 
86 /* frm_sub.c ends here */
87