X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=man%2Fform_field_new.3x;h=cf603edf3b0a6963ec2ed924e77ce33a8b7a2232;hb=64845eab0d05cd928ed2455d5bc5b58e0b33c893;hp=b798b5bb3e95bc8d83548bb46d616c9cdde07ee1;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce;p=ncurses.git diff --git a/man/form_field_new.3x b/man/form_field_new.3x index b798b5bb..cf603edf 100644 --- a/man/form_field_new.3x +++ b/man/form_field_new.3x @@ -1,6 +1,6 @@ -'\" t .\"*************************************************************************** -.\" Copyright (c) 1998 Free Software Foundation, Inc. * +.\" Copyright 2018-2022,2023 Thomas E. Dickey * +.\" Copyright 1998-2010,2015 Free Software Foundation, Inc. * .\" * .\" Permission is hereby granted, free of charge, to any person obtaining a * .\" copy of this software and associated documentation files (the * @@ -27,70 +27,81 @@ .\" authorization. * .\"*************************************************************************** .\" -.'" $Id: form_field_new.3x,v 1.9 1998/11/29 01:06:44 Rick.Ohnemus Exp $ -.TH form_field_new 3X "" +.\" $Id: form_field_new.3x,v 1.37 2023/10/07 21:19:07 tom Exp $ +.TH form_field_new 3X 2023-10-07 "ncurses 6.4" "Library calls" .SH NAME -\fBform_field_new\fR - create and destroy form fields +\fBnew_field\fP, +\fBdup_field\fP, +\fBlink_field\fP, +\fBfree_field\fP \- +create and destroy form fields .SH SYNOPSIS -\fB#include \fR -.br -FIELD *new_field(int height, int width, - int toprow, int leftcol, - int offscreen, int nbuffers); -.br -FIELD *dup_field(FIELD *field, int toprow, int leftcol); -.br -FIELD *link_field(FIELD *field, int toprow, int leftcol); -.br -int free_field(FIELD *field); -.br +.nf +\fB#include +.PP +\fBFIELD *new_field(int \fIheight\fP, int \fIwidth\fP, + \fBint \fItoprow\fB, int \fIleftcol\fB,\fR + \fBint \fIoffscreen\fB, int \fInbuffers\fB);\fR +\fBFIELD *dup_field(FIELD *\fIfield\fB, int \fItoprow\fB, int \fIleftcol\fB);\fR +\fBFIELD *link_field(FIELD *\fIfield\fB, int \fItoprow\fB, int \fIleftcol\fB);\fR +\fBint free_field(FIELD *\fIfield\fB);\fR +.fi .SH DESCRIPTION -The function \fBnew_field\fR allocates a new field and initializes it from the +The function \fBnew_field\fP allocates a new field and initializes it from the parameters given: height, width, row of upper-left corner, column of upper-left corner, number off-screen rows, and number of additional working buffers. - -The function \fBdup_field\fR duplicates a field at a new location. Most +.PP +The function \fBdup_field\fP duplicates a field at a new location. +Most attributes (including current contents, size, validation type, buffer count, growth threshold, justification, foreground, background, pad character, -options, and user pointer) are copied. Field status and the field page bit are +options, and user pointer) are copied. +Field status and the field page bit are not copied. - -The function \fBlink_field\fR acts like \fBdup_field\fR, but the new field -shares buffers with its parent. Attribute data is separate. - -The function \fBfree_field\fR de-allocates storage associated with a field. +.PP +The function \fBlink_field\fP acts like \fBdup_field\fP, but the new field +shares buffers with its parent. +Attribute data is separate. +.PP +The function \fBfree_field\fP de-allocates storage associated with a field. .SH RETURN VALUE -The function, \fBnew_field\fR, \fBdup_field\fR, \fBlink_field\fR return -\fBNULL\fR on error. - -The function \fBfree_field\fR returns one of the following: +The functions \fBnew_field\fP, \fBdup_field\fP, \fBlink_field\fP return +\fBNULL\fP on error. +They set \fBerrno\fP according to their success: .TP 5 -\fBE_OK\fR +.B E_OK The routine succeeded. .TP 5 -\fBE_SYSTEM_ERROR\fR -System error occurred (see \fBerrno\fR). +.B E_BAD_ARGUMENT +Routine detected an incorrect or out-of-range argument. +.TP 5 +.B E_SYSTEM_ERROR +System error occurred, e.g., malloc failure. +.PP +The function \fBfree_field\fP returns one of the following: +.TP 5 +.B E_OK +The routine succeeded. .TP 5 -\fBE_BAD_ARGUMENT\fR +.B E_BAD_ARGUMENT Routine detected an incorrect or out-of-range argument. -.SH SEE ALSO -\fBcurses\fR(3X), \fBform\fR(3X). +.TP 5 +.B E_CONNECTED +field is connected. .SH NOTES -The header file \fB\fR automatically includes the header file -\fB\fR. +The header file \fB\fP automatically includes the header file +\fB\fP. .SH PORTABILITY -These routines emulate the System V forms library. They were not supported on +These routines emulate the System V forms library. +They were not supported on Version 7 or BSD versions. - +.PP It may be unwise to count on the set of attributes copied by -\fBdup_field\fR(3X) being portable; the System V forms library documents are -not very explicit on what gets copied and was not. +\fBdup_field\fP being portable; the System V forms library documents are +not very explicit about what gets copied and what does not. .SH AUTHORS -Juergen Pfeifer. Manual pages and adaptation for new curses by Eric -S. Raymond. -.\"# -.\"# The following sets edit modes for GNU EMACS -.\"# Local Variables: -.\"# mode:nroff -.\"# fill-column:79 -.\"# End: +Juergen Pfeifer. +Manual pages and adaptation for new curses by Eric S. Raymond. +.SH SEE ALSO +\fB\%curses\fP(3X), +\fB\%form\fP(3X)