'\" t
.\"***************************************************************************
-.\" Copyright 2018-2021,2022 Thomas E. Dickey *
+.\" Copyright 2018-2022,2023 Thomas E. Dickey *
.\" Copyright 1998-2007,2010 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: form_hook.3x,v 1.20 2022/02/12 20:03:40 tom Exp $
-.TH form_hook 3X 2022-02-12 "ncurses 6.4" "Library calls"
+.\" $Id: form_hook.3x,v 1.25 2023/09/16 23:37:03 tom Exp $
+.TH form_hook 3X 2023-09-16 "ncurses 6.4" "Library calls"
.SH NAME
-\fBform_hook\fP \- set hooks for automatic invocation by applications
+\fBform_hook\fP \-
+set hooks for automatic invocation by applications
.SH SYNOPSIS
\fB#include <form.h>\fP
.sp
\fBint set_form_term(FORM *\fIform\fB, Form_Hook \fIfunc\fB);\fR
.br
\fBForm_Hook form_term(const FORM *\fIform\fB);\fR
-.br
.SH DESCRIPTION
These functions make it possible to set hook functions to be called at various
points in the automatic processing of input event codes by \fBform_driver\fP.
-.PP
-The function \fBset_field_init\fP sets a hook to be called at form-post time
+.SS set_field_init\fP
+sets a hook to be called at form-post time
and each time the selected field changes (after the change).
-\fBfield_init\fP
+.SS field_init
returns the current field init hook, if any (\fBNULL\fP if there is no such
hook).
-.PP
-The function \fBset_field_term\fP sets a hook to be called at form-unpost time
+.SS set_field_term
+sets a hook to be called at form-unpost time
and each time the selected field changes (before the change).
-\fBfield_term\fP
+.SS field_term
returns the current field term hook, if any (\fBNULL\fP if there is no such
hook).
-.PP
-The function \fBset_form_init\fP sets a hook to be called at form-post time and
+.SS set_form_init
+sets a hook to be called at form-post time and
just after a page change once it is posted.
-\fBform_init\fP returns the
-current form init hook, if any (\fBNULL\fP if there is no such hook).
-.PP
-The function \fBset_form_term\fP sets a hook to be called at form-unpost time
+.SS form_init
+returns the current form init hook,
+if any (\fBNULL\fP if there is no such hook).
+.SS set_form_term
+sets a hook to be called at form-unpost time
and just before a page change once it is posted.
-\fBform_init\fP
+.SS form_init
returns the current form term hook, if any (\fBNULL\fP if there is no such
hook).
.SH RETURN VALUE