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* @Id: menu.3x,v 1.22 2014/08/16 20:32:08 tom Exp @
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<TITLE>menu 3x</TITLE>
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<H1>menu 3x</H1>
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG> <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>menu</STRONG> - curses extension for programming menus
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG><menu.h></STRONG>
</PRE>
<H2>DESCRIPTION</H2><PRE>
The <STRONG>menu</STRONG> library provides terminal-independent facilities
for composing menu systems on character-cell terminals.
The library includes: item routines, which create and mod-
ify menu items; and menu routines, which group items into
menus, display menus on the screen, and handle interaction
with the user.
The <STRONG>menu</STRONG> library uses the <STRONG>curses</STRONG> libraries, and a curses
initialization routine such as <STRONG>initscr</STRONG> must be called
before using any of these functions. To use the <STRONG>menu</STRONG>
library, link with the options <STRONG>-lmenu</STRONG> <STRONG>-lcurses</STRONG>.
<STRONG>Current</STRONG> <STRONG>Default</STRONG> <STRONG>Values</STRONG> <STRONG>for</STRONG> <STRONG>Item</STRONG> <STRONG>Attributes</STRONG>
The <STRONG>menu</STRONG> library maintains a default value for item
attributes. You can get or set this default by calling
the appropriate <STRONG>get_</STRONG> or <STRONG>set_</STRONG> routine with a <STRONG>NULL</STRONG> item
pointer. Changing this default with a <STRONG>set_</STRONG> function
affects future item creations, but does not change the
rendering of items already created.
<STRONG>Routine</STRONG> <STRONG>Name</STRONG> <STRONG>Index</STRONG>
The following table lists each <STRONG>menu</STRONG> routine and the name
of the manual page on which it is described.
<STRONG>curses</STRONG> Routine Name Manual Page Name
--------------------------------------------
current_item <STRONG><A HREF="mitem_current.3x.html">mitem_current(3x)</A></STRONG>
free_item <STRONG><A HREF="mitem_new.3x.html">mitem_new(3x)</A></STRONG>
free_menu <STRONG><A HREF="menu_new.3x.html">menu_new(3x)</A></STRONG>
item_count <STRONG><A HREF="menu_items.3x.html">menu_items(3x)</A></STRONG>
item_description <STRONG><A HREF="mitem_name.3x.html">mitem_name(3x)</A></STRONG>
item_index <STRONG><A HREF="mitem_current.3x.html">mitem_current(3x)</A></STRONG>
item_init <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
item_name <STRONG><A HREF="mitem_name.3x.html">mitem_name(3x)</A></STRONG>
item_opts <STRONG><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></STRONG>
item_opts_off <STRONG><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></STRONG>
item_opts_on <STRONG><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></STRONG>
item_term <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
item_userptr <STRONG><A HREF="mitem_userptr.3x.html">mitem_userptr(3x)</A></STRONG>
item_value <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
item_visible <STRONG><A HREF="mitem_visible.3x.html">mitem_visible(3x)</A></STRONG>
menu_back <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
menu_driver <STRONG><A HREF="menu_driver.3x.html">menu_driver(3x)</A></STRONG>
menu_fore <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
menu_format <STRONG><A HREF="menu_format.3x.html">menu_format(3x)</A></STRONG>
menu_grey <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
menu_init <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
menu_items <STRONG><A HREF="menu_items.3x.html">menu_items(3x)</A></STRONG>
menu_mark <STRONG><A HREF="menu_mark.3x.html">menu_mark(3x)</A></STRONG>
menu_opts <STRONG><A HREF="menu_opts.3x.html">menu_opts(3x)</A></STRONG>
menu_opts_off <STRONG><A HREF="menu_opts.3x.html">menu_opts(3x)</A></STRONG>
menu_opts_on <STRONG><A HREF="menu_opts.3x.html">menu_opts(3x)</A></STRONG>
menu_pad <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
menu_pattern <STRONG><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></STRONG>
menu_request_by_name <STRONG><A HREF="menu_requestname.3x.html">menu_requestname(3x)</A></STRONG>
menu_request_name <STRONG><A HREF="menu_requestname.3x.html">menu_requestname(3x)</A></STRONG>
menu_spacing <STRONG><A HREF="menu_spacing.3x.html">menu_spacing(3x)</A></STRONG>
menu_sub <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
menu_term <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
menu_userptr <STRONG><A HREF="menu_userptr.3x.html">menu_userptr(3x)</A></STRONG>
menu_win <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
new_item <STRONG><A HREF="mitem_new.3x.html">mitem_new(3x)</A></STRONG>
new_menu <STRONG><A HREF="menu_new.3x.html">menu_new(3x)</A></STRONG>
pos_menu_cursor <STRONG><A HREF="menu_cursor.3x.html">menu_cursor(3x)</A></STRONG>
post_menu <STRONG><A HREF="menu_post.3x.html">menu_post(3x)</A></STRONG>
scale_menu <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
set_current_item <STRONG><A HREF="mitem_current.3x.html">mitem_current(3x)</A></STRONG>
set_item_init <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
set_item_opts <STRONG><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></STRONG>
set_item_term <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
set_item_userptr <STRONG><A HREF="mitem_userptr.3x.html">mitem_userptr(3x)</A></STRONG>
set_item_value <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
set_menu_back <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
set_menu_fore <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
set_menu_format <STRONG><A HREF="menu_format.3x.html">menu_format(3x)</A></STRONG>
set_menu_grey <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
set_menu_init <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
set_menu_items <STRONG><A HREF="menu_items.3x.html">menu_items(3x)</A></STRONG>
set_menu_mark <STRONG><A HREF="menu_mark.3x.html">menu_mark(3x)</A></STRONG>
set_menu_opts <STRONG><A HREF="mitem_opts.3x.html">mitem_opts(3x)</A></STRONG>
set_menu_pad <STRONG><A HREF="menu_attributes.3x.html">menu_attributes(3x)</A></STRONG>
set_menu_pattern <STRONG><A HREF="menu_pattern.3x.html">menu_pattern(3x)</A></STRONG>
set_menu_spacing <STRONG><A HREF="menu_spacing.3x.html">menu_spacing(3x)</A></STRONG>
set_menu_sub <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
set_menu_term <STRONG><A HREF="menu_hook.3x.html">menu_hook(3x)</A></STRONG>
set_menu_userptr <STRONG><A HREF="menu_userptr.3x.html">menu_userptr(3x)</A></STRONG>
set_menu_win <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
set_top_row <STRONG><A HREF="mitem_current.3x.html">mitem_current(3x)</A></STRONG>
top_row <STRONG><A HREF="mitem_current.3x.html">mitem_current(3x)</A></STRONG>
unpost_menu <STRONG><A HREF="menu_post.3x.html">menu_post(3x)</A></STRONG>
</PRE>
<H2>RETURN VALUE</H2><PRE>
Routines that return pointers return <STRONG>NULL</STRONG> on error. Rou-
tines that return an integer return one of the following
error codes:
<STRONG>E_OK</STRONG> The routine succeeded.
<STRONG>E_BAD_ARGUMENT</STRONG>
Routine detected an incorrect or out-of-range argu-
ment.
<STRONG>E_BAD_STATE</STRONG>
Routine was called from an initialization or termina-
tion function.
<STRONG>E_NO_MATCH</STRONG>
Character failed to match.
<STRONG>E_NO_ROOM</STRONG>
Menu is too large for its window.
<STRONG>E_NOT_CONNECTED</STRONG>
No items are connected to the menu.
<STRONG>E_NOT_POSTED</STRONG>
The menu has not been posted.
<STRONG>E_NOT_SELECTABLE</STRONG>
The designated item cannot be selected.
<STRONG>E_POSTED</STRONG>
The menu is already posted.
<STRONG>E_REQUEST_DENIED</STRONG>
The menu driver could not process the request.
<STRONG>E_SYSTEM_ERROR</STRONG>
System error occurred (see <STRONG>errno</STRONG>).
<STRONG>E_UNKNOWN_COMMAND</STRONG>
The menu driver code saw an unknown request code.
</PRE>
<H2>NOTES</H2><PRE>
The header file <STRONG><menu.h></STRONG> automatically includes the header
files <STRONG><curses.h></STRONG> and <STRONG><eti.h></STRONG>.
In your library list, libmenu.a should be before libn-
curses.a; that is, you want to say `-lmenu -lncurses', not
the other way around (which would usually give a link-
error).
</PRE>
<H2>PORTABILITY</H2><PRE>
These routines emulate the System V menu library. They
were not supported on Version 7 or BSD versions.
</PRE>
<H2>AUTHORS</H2><PRE>
Juergen Pfeifer. Manual pages and adaptation for ncurses
by Eric S. Raymond.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG> and related pages whose names begin "menu_" for
detailed descriptions of the entry points.
This describes <STRONG>ncurses</STRONG> version 5.9 (patch 20141220).
<STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>
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