1 /* $OpenBSD: frm_post.c,v 1.7 2023/10/17 09:52:10 nicm Exp $ */
2 /****************************************************************************
3 * Copyright 2020 Thomas E. Dickey *
4 * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
5 * *
6 * Permission is hereby granted, free of charge, to any person obtaining a *
7 * copy of this software and associated documentation files (the *
8 * "Software"), to deal in the Software without restriction, including *
9 * without limitation the rights to use, copy, modify, merge, publish, *
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 *
27 * sale, use or other dealings in this Software without prior written *
28 * authorization. *
29 ****************************************************************************/
30
31 /****************************************************************************
32 * Author: Juergen Pfeifer, 1995,1997 *
33 ****************************************************************************/
34
35 #include "form.priv.h"
36
37 MODULE_ID("$Id: frm_post.c,v 1.7 2023/10/17 09:52:10 nicm Exp $")
38
39 /*---------------------------------------------------------------------------
40 | Facility : libnform
41 | Function : int post_form(FORM * form)
42 |
43 | Description : Writes the form into its associated subwindow.
44 |
45 | Return Values : E_OK - success
46 | E_BAD_ARGUMENT - invalid form pointer
47 | E_POSTED - form already posted
48 | E_NOT_CONNECTED - no fields connected to form
49 | E_NO_ROOM - form doesn't fit into subwindow
50 | E_SYSTEM_ERROR - system error
51 +--------------------------------------------------------------------------*/
FORM_EXPORT(int)52 FORM_EXPORT(int)
53 post_form(FORM *form)
54 {
55 WINDOW *formwin;
56 int err;
57 int page;
58
59 T((T_CALLED("post_form(%p)"), (void *)form));
60
61 if (!form)
62 RETURN(E_BAD_ARGUMENT);
63
64 if (form->status & _POSTED)
65 RETURN(E_POSTED);
66
67 if (!(form->field))
68 RETURN(E_NOT_CONNECTED);
69
70 formwin = Get_Form_Window(form);
71 if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin)))
72 RETURN(E_NO_ROOM);
73
74 /* reset form->curpage to an invalid value. This forces Set_Form_Page
75 to do the page initialization which is required by post_form.
76 */
77 page = form->curpage;
78 form->curpage = -1;
79 if ((err = _nc_Set_Form_Page(form, page, form->current)) != E_OK)
80 RETURN(err);
81
82 SetStatus(form, _POSTED);
83
84 Call_Hook(form, forminit);
85 Call_Hook(form, fieldinit);
86
87 _nc_Refresh_Current_Field(form);
88 RETURN(E_OK);
89 }
90
91 /*---------------------------------------------------------------------------
92 | Facility : libnform
93 | Function : int unpost_form(FORM * form)
94 |
95 | Description : Erase form from its associated subwindow.
96 |
97 | Return Values : E_OK - success
98 | E_BAD_ARGUMENT - invalid form pointer
99 | E_NOT_POSTED - form isn't posted
100 | E_BAD_STATE - called from a hook routine
101 +--------------------------------------------------------------------------*/
102 FORM_EXPORT(int)
unpost_form(FORM * form)103 unpost_form(FORM *form)
104 {
105 T((T_CALLED("unpost_form(%p)"), (void *)form));
106
107 if (!form)
108 RETURN(E_BAD_ARGUMENT);
109
110 if (!(form->status & _POSTED))
111 RETURN(E_NOT_POSTED);
112
113 if (form->status & _IN_DRIVER)
114 RETURN(E_BAD_STATE);
115
116 Call_Hook(form, fieldterm);
117 Call_Hook(form, formterm);
118
119 werase(Get_Form_Window(form));
120 delwin(form->w);
121 form->w = (WINDOW *)0;
122 ClrStatus(form, _POSTED);
123 RETURN(E_OK);
124 }
125
126 /* frm_post.c ends here */
127