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30 * @Id: form_page.3x,v 1.16 2019/01/20 20:31:42 tom Exp @
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37 <TITLE>form_page 3x</TITLE>
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42 <H1 class="no-header">form_page 3x</H1>
44 <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG> <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG>
49 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
50 <STRONG>form_page</STRONG> - set and get form page number
53 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
54 <STRONG>#include</STRONG> <STRONG><form.h></STRONG>
55 int set_current_field(FORM *form, FIELD *field);
56 FIELD *current_field(const FORM *);
57 int unfocus_current_field(FORM *form);
58 int set_form_page(FORM *form, int n);
59 int form_page(const FORM *form);
60 int field_index(const FIELD *field);
63 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
64 The function <STRONG>set_current_field</STRONG> sets the current field of the given
65 form; <STRONG>current_field</STRONG> returns the current field of the given form.
67 The function <STRONG>unfocus_current_field</STRONG> removes the focus from the current
68 field of the form. In such state, inquiries via <STRONG>current_field</STRONG> shall
69 return a NULL pointer.
71 The function <STRONG>set_form_page</STRONG> sets the form's page number (goes to page <EM>n</EM>
74 The function <STRONG>form_page</STRONG> returns the form's current page number.
76 The function <STRONG>field_index</STRONG> returns the index of the field in the field
77 array of the form it is connected to. It returns <STRONG>ERR</STRONG> if the argument
78 is the null pointer or the field is not connected.
81 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
82 Except for <STRONG>form_page</STRONG>, each routine returns one of the following:
84 <STRONG>E_OK</STRONG> The routine succeeded.
86 <STRONG>E_BAD_ARGUMENT</STRONG>
87 Routine detected an incorrect or out-of-range argument.
89 <STRONG>E_BAD_STATE</STRONG>
90 Routine was called from an initialization or termination function.
92 <STRONG>E_INVALID_FIELD</STRONG>
93 Contents of a field are not valid.
95 <STRONG>E_REQUEST_DENIED</STRONG>
96 The form driver could not process the request.
98 <STRONG>E_SYSTEM_ERROR</STRONG>
99 System error occurred (see <STRONG>errno(3)</STRONG>).
102 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
103 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
106 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
107 The header file <STRONG><form.h></STRONG> automatically includes the header file
108 <STRONG><curses.h></STRONG>.
111 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
112 These routines emulate the System V forms library. They were not sup-
113 ported on Version 7 or BSD versions.
115 The <STRONG>unfocus_current_field</STRONG> function is an ncurses extension.
118 </PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
119 Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S.
124 <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG>
128 <li><a href="#h2-NAME">NAME</a></li>
129 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
130 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
131 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
132 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
133 <li><a href="#h2-NOTES">NOTES</a></li>
134 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
135 <li><a href="#h2-AUTHORS">AUTHORS</a></li>