1 /****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey *
3 * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
33
34 #include "form.priv.h"
35
36 MODULE_ID("$Id: frm_page.c,v 1.15 2021/06/17 21:20:30 tom Exp $")
37
38 /*---------------------------------------------------------------------------
39 | Facility : libnform
40 | Function : int set_form_page(FORM * form,int page)
41 |
42 | Description : Set the page number of the form.
43 |
44 | Return Values : E_OK - success
45 | E_BAD_ARGUMENT - invalid form pointer or page number
46 | E_BAD_STATE - called from a hook routine
47 | E_INVALID_FIELD - current field can't be left
48 | E_SYSTEM_ERROR - system error
49 +--------------------------------------------------------------------------*/
FORM_EXPORT(int)50 FORM_EXPORT(int)
51 set_form_page(FORM *form, int page)
52 {
53 int err = E_OK;
54
55 T((T_CALLED("set_form_page(%p,%d)"), (void *)form, page));
56
57 if (!form || (page < 0) || (page >= form->maxpage))
58 RETURN(E_BAD_ARGUMENT);
59
60 if (!(form->status & _POSTED))
61 {
62 form->curpage = (short)page;
63 form->current = _nc_First_Active_Field(form);
64 }
65 else
66 {
67 if (form->status & _IN_DRIVER)
68 err = E_BAD_STATE;
69 else
70 {
71 if (form->curpage != page)
72 {
73 if (!_nc_Internal_Validation(form))
74 err = E_INVALID_FIELD;
75 else
76 {
77 Call_Hook(form, fieldterm);
78 Call_Hook(form, formterm);
79 err = _nc_Set_Form_Page(form, page, (FIELD *)0);
80 Call_Hook(form, forminit);
81 Call_Hook(form, fieldinit);
82 _nc_Refresh_Current_Field(form);
83 }
84 }
85 }
86 }
87 RETURN(err);
88 }
89
90 /*---------------------------------------------------------------------------
91 | Facility : libnform
92 | Function : int form_page(const FORM * form)
93 |
94 | Description : Return the current page of the form.
95 |
96 | Return Values : >= 0 : current page number
97 | -1 : invalid form pointer
98 +--------------------------------------------------------------------------*/
99 FORM_EXPORT(int)
form_page(const FORM * form)100 form_page(const FORM *form)
101 {
102 T((T_CALLED("form_page(%p)"), (const void *)form));
103
104 returnCode(Normalize_Form(form)->curpage);
105 }
106
107 /* frm_page.c ends here */
108