xref: /openbsd/lib/libform/frm_sub.c (revision 4bdff4be)
1 /*	$OpenBSD: frm_sub.c,v 1.7 2023/10/17 09:52:10 nicm Exp $	*/
2 /****************************************************************************
3  * Copyright 2020,2021 Thomas E. Dickey                                     *
4  * Copyright 1998-2009,2010 Free Software Foundation, Inc.                  *
5  *                                                                          *
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7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
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10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
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29  ****************************************************************************/
30 
31 /****************************************************************************
32  *   Author:  Juergen Pfeifer, 1995-1997,2009                               *
33  ****************************************************************************/
34 
35 #include "form.priv.h"
36 
37 MODULE_ID("$Id: frm_sub.c,v 1.7 2023/10/17 09:52:10 nicm Exp $")
38 
39 /*---------------------------------------------------------------------------
40 |   Facility      :  libnform
41 |   Function      :  int set_form_sub(FORM *form, WINDOW *win)
42 |
43 |   Description   :  Set the subwindow of the form to win.
44 |
45 |   Return Values :  E_OK       - success
46 |                    E_POSTED   - form is posted
47 +--------------------------------------------------------------------------*/
48 FORM_EXPORT(int)
49 set_form_sub(FORM *form, WINDOW *win)
50 {
51   T((T_CALLED("set_form_sub(%p,%p)"), (void *)form, (void *)win));
52 
53   if (form && (form->status & _POSTED))
54     RETURN(E_POSTED);
55   else
56     {
57 #if NCURSES_SP_FUNCS
58       FORM *f = Normalize_Form(form);
59 
60       f->sub = win ? win : StdScreen(Get_Form_Screen(f));
61       RETURN(E_OK);
62 #else
63       Normalize_Form(form)->sub = win;
64       RETURN(E_OK);
65 #endif
66     }
67 }
68 
69 /*---------------------------------------------------------------------------
70 |   Facility      :  libnform
71 |   Function      :  WINDOW *form_sub(const FORM *)
72 |
73 |   Description   :  Retrieve the window of the form.
74 |
75 |   Return Values :  The pointer to the Subwindow.
76 +--------------------------------------------------------------------------*/
77 FORM_EXPORT(WINDOW *)
78 form_sub(const FORM *form)
79 {
80   const FORM *f;
81 
82   T((T_CALLED("form_sub(%p)"), (const void *)form));
83 
84   f = Normalize_Form(form);
85   returnWin(Get_Form_Window(f));
86 }
87 
88 /* frm_sub.c ends here */
89