xref: /freebsd/contrib/ncurses/form/frm_win.c (revision e9ac41698b2f322d55ccf9da50a3596edb2c1800)
1 /****************************************************************************
2  * Copyright 2020,2021 Thomas E. Dickey                                     *
3  * Copyright 1998-2009,2010 Free Software Foundation, Inc.                  *
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29 
30 /****************************************************************************
31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
32  ****************************************************************************/
33 
34 #include "form.priv.h"
35 
36 MODULE_ID("$Id: frm_win.c,v 1.19 2021/06/17 21:20:30 tom Exp $")
37 
38 /*---------------------------------------------------------------------------
39 |   Facility      :  libnform
40 |   Function      :  int set_form_win(FORM *form,WINDOW *win)
41 |
42 |   Description   :  Set the window of the form to win.
43 |
44 |   Return Values :  E_OK       - success
45 |                    E_POSTED   - form is posted
46 +--------------------------------------------------------------------------*/
47 FORM_EXPORT(int)
48 set_form_win(FORM *form, WINDOW *win)
49 {
50   T((T_CALLED("set_form_win(%p,%p)"), (void *)form, (void *)win));
51 
52   if (form && (form->status & _POSTED))
53     RETURN(E_POSTED);
54   else
55     {
56 #if NCURSES_SP_FUNCS
57       FORM *f = Normalize_Form(form);
58 
59       f->win = win ? win : StdScreen(Get_Form_Screen(f));
60       RETURN(E_OK);
61 #else
62       Normalize_Form(form)->win = win;
63       RETURN(E_OK);
64 #endif
65     }
66 }
67 
68 /*---------------------------------------------------------------------------
69 |   Facility      :  libnform
70 |   Function      :  WINDOW *form_win(const FORM *)
71 |
72 |   Description   :  Retrieve the window of the form.
73 |
74 |   Return Values :  The pointer to the Window or stdscr if there is none.
75 +--------------------------------------------------------------------------*/
76 FORM_EXPORT(WINDOW *)
77 form_win(const FORM *form)
78 {
79   WINDOW *result;
80   const FORM *f;
81 
82   T((T_CALLED("form_win(%p)"), (const void *)form));
83 
84   f = Normalize_Form(form);
85 #if NCURSES_SP_FUNCS
86   result = (f->win ? f->win : StdScreen(Get_Form_Screen(f)));
87 #else
88   result = (f->win ? f->win : stdscr);
89 #endif
90   returnWin(result);
91 }
92 
93 /* frm_win.c ends here */
94