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31 * @Id: form_page.3x,v 1.19 2020/10/18 00:02:44 tom Exp @
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38 <TITLE>form_page 3x</TITLE>
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43 <H1 class="no-header">form_page 3x</H1>
45 <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG> <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG>
50 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
51 <STRONG>form_page</STRONG> - set and get form page number
54 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
55 <STRONG>#include</STRONG> <STRONG><form.h></STRONG>
57 <STRONG>int</STRONG> <STRONG>set_current_field(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>,</STRONG> <STRONG>FIELD</STRONG> <STRONG>*</STRONG><EM>field</EM><STRONG>);</STRONG>
58 <STRONG>FIELD</STRONG> <STRONG>*current_field(const</STRONG> <STRONG>FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>);</STRONG>
60 <STRONG>int</STRONG> <STRONG>unfocus_current_field(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>);</STRONG>
62 <STRONG>int</STRONG> <STRONG>set_form_page(FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>n</EM><STRONG>);</STRONG>
63 <STRONG>int</STRONG> <STRONG>form_page(const</STRONG> <STRONG>FORM</STRONG> <STRONG>*</STRONG><EM>form</EM><STRONG>);</STRONG>
65 <STRONG>int</STRONG> <STRONG>field_index(const</STRONG> <STRONG>FIELD</STRONG> <STRONG>*</STRONG><EM>field</EM><STRONG>);</STRONG>
68 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
69 The function <STRONG>set_current_field</STRONG> sets the current field of the given
70 form; <STRONG>current_field</STRONG> returns the current field of the given form.
72 The function <STRONG>unfocus_current_field</STRONG> removes the focus from the current
73 field of the form. In such state, inquiries via <STRONG>current_field</STRONG> shall
74 return a NULL pointer.
76 The function <STRONG>set_form_page</STRONG> sets the form's page number (goes to page <EM>n</EM>
79 The function <STRONG>form_page</STRONG> returns the form's current page number.
81 The function <STRONG>field_index</STRONG> returns the index of the field in the field
82 array of the form it is connected to. It returns <STRONG>ERR</STRONG> if the argument
83 is the null pointer or the field is not connected.
86 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
87 Except for <STRONG>form_page</STRONG>, each routine returns one of the following:
89 <STRONG>E_OK</STRONG> The routine succeeded.
91 <STRONG>E_BAD_ARGUMENT</STRONG>
92 Routine detected an incorrect or out-of-range argument.
94 <STRONG>E_BAD_STATE</STRONG>
95 Routine was called from an initialization or termination function.
97 <STRONG>E_INVALID_FIELD</STRONG>
98 Contents of a field are not valid.
100 <STRONG>E_REQUEST_DENIED</STRONG>
101 The form driver could not process the request.
103 <STRONG>E_SYSTEM_ERROR</STRONG>
104 System error occurred (see <STRONG>errno(3)</STRONG>).
107 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
108 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3x)</A></STRONG>.
111 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
112 The header file <STRONG><form.h></STRONG> automatically includes the header file
113 <STRONG><curses.h></STRONG>.
116 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
117 These routines emulate the System V forms library. They were not
118 supported on Version 7 or BSD versions.
120 The <STRONG>unfocus_current_field</STRONG> function is an ncurses extension.
123 </PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
124 Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S.
129 <STRONG><A HREF="form_page.3x.html">form_page(3x)</A></STRONG>
133 <li><a href="#h2-NAME">NAME</a></li>
134 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
135 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
136 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
137 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
138 <li><a href="#h2-NOTES">NOTES</a></li>
139 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
140 <li><a href="#h2-AUTHORS">AUTHORS</a></li>