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30 * @Id: form_page.3x,v 1.14 2016/10/29 22:27:24 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
65 the given form; <STRONG>current_field</STRONG> returns the current field of
68 The function <STRONG>unfocus_current_field</STRONG> removes the focus from
69 the current field of the form. In such state, inquiries
70 via <STRONG>current_field</STRONG> shall return a NULL pointer.
72 The function <STRONG>set_form_page</STRONG> sets the form's page number
73 (goes to page <EM>n</EM> of the form).
75 The function <STRONG>form_page</STRONG> returns the form's current page
78 The function <STRONG>field_index</STRONG> returns the index of the field in
79 the field array of the form it is connected to. It returns
80 <STRONG>ERR</STRONG> if the argument is the null pointer or the field is
84 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
85 Except for <STRONG>form_page</STRONG>, each routine returns one of the fol-
88 <STRONG>E_OK</STRONG> The routine succeeded.
90 <STRONG>E_BAD_ARGUMENT</STRONG>
91 Routine detected an incorrect or out-of-range argu-
94 <STRONG>E_BAD_STATE</STRONG>
95 Routine was called from an initialization or termina-
98 <STRONG>E_INVALID_FIELD</STRONG>
99 Contents of a field are not valid.
101 <STRONG>E_REQUEST_DENIED</STRONG>
102 The form driver could not process the request.
104 <STRONG>E_SYSTEM_ERROR</STRONG>
105 System error occurred (see <STRONG>errno</STRONG>).
108 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
109 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
112 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
113 The header file <STRONG><form.h></STRONG> automatically includes the header
114 file <STRONG><curses.h></STRONG>.
117 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
118 These routines emulate the System V forms library. They
119 were not supported on Version 7 or BSD versions.
121 The <STRONG>unfocus_current_field</STRONG> function is an ncurses exten-
125 </PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
126 Juergen Pfeifer. Manual pages and adaptation for new
127 curses by Eric S. Raymond.
131 <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG>
135 <li><a href="#h2-NAME">NAME</a></li>
136 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
137 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
138 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
139 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
140 <li><a href="#h2-NOTES">NOTES</a></li>
141 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
142 <li><a href="#h2-AUTHORS">AUTHORS</a></li>