93 lines
4.1 KiB
Plaintext
93 lines
4.1 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright 2018-2019,2020 Thomas E. Dickey *
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.\" Copyright 1998-2010,2015 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: menu_pattern.3x,v 1.21 2020/10/18 00:41:14 tom Exp $
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.TH menu_pattern 3X ""
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.SH NAME
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\fBset_menu_pattern\fP,
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\fBmenu_pattern\fR \- set and get a menu's pattern buffer
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.SH SYNOPSIS
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\fB#include <menu.h>\fR
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.sp
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\fBint set_menu_pattern(MENU *\fP\fImenu\fP\fB, const char *\fP\fIpattern\fP\fB);\fP
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.br
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\fBchar *menu_pattern(const MENU *\fP\fImenu\fP\fB);\fP
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.br
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.SH DESCRIPTION
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Every menu has an associated pattern match buffer.
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As input events that are
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printable characters come in, they are appended to this match buffer
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and tested for a match, as described in \fBmenu_driver\fR(3X).
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.PP
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The function \fBset_menu_pattern\fR sets the pattern buffer for the given menu
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and tries to find the first matching item.
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If it succeeds, that item becomes
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current; if not, the current item does not change.
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.PP
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The function \fBmenu_pattern\fR returns the pattern buffer of the given
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\fImenu\fR.
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.SH RETURN VALUE
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The function \fBmenu_pattern\fR returns a pointer,
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which is \fBNULL\fR if the \fImenu\fP parameter is \fBNULL\fP.
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Otherwise, it is a pointer to a string which is empty
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if no pattern has been set.
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It does not set \fBerrno\fP.
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.PP
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The function \fBset_menu_pattern\fR may return the following error codes:
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.TP 5
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.B E_OK
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The routine succeeded.
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.TP 5
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.B E_BAD_ARGUMENT
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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.B E_BAD_STATE
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Routine was called from an initialization or termination function.
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.TP 5
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.B E_NOT_CONNECTED
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No items are connected to menu.
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.TP 5
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.B E_NO_MATCH
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Character failed to match.
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.TP 5
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.B E_SYSTEM_ERROR
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System error occurred (see \fBerrno\fR(3)).
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBmenu\fR(3X).
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.SH NOTES
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The header file \fB<menu.h>\fR automatically includes the header file
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\fB<curses.h>\fR.
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.SH PORTABILITY
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These routines emulate the System V menu library.
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They were not supported on
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Version 7 or BSD versions.
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.SH AUTHORS
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Juergen Pfeifer.
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Manual pages and adaptation for new curses by Eric S. Raymond.
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