1997-05-15 12:00:00 +08:00
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'\" t
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1998-03-01 12:21:12 +08:00
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.\" $Id: menu.3x,v 1.10 1997/12/14 01:45:52 tom Exp $
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.TH menu 3X ""
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1997-05-15 12:00:00 +08:00
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.SH NAME
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1998-03-01 12:21:12 +08:00
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\fBmenu\fR - curses extension for programming menus
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1997-05-15 12:00:00 +08:00
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.SH SYNOPSIS
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\fB#include <menu.h>\fR
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.br
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.SH DESCRIPTION
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1998-03-01 12:21:12 +08:00
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The \fBmenu\fR library provides terminal-independent facilities for composing
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menu systems on character-cell terminals. The library includes: item routines,
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which create and modify menu items; and menu routines, which group items into
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menus, display menus on the screen, and handle interaction with the user.
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1998-03-01 12:21:12 +08:00
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The \fBmenu\fR library uses the \fBcurses\fR libraries, and a curses
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initialization routine such as \fBinitscr\fR must be called before using any of
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these functions. To use the \fBmenu\fR library, link with the options
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\fB-lmenu -lcurses\fR.
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.SS Current Default Values for Item Attributes
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1998-03-01 12:21:12 +08:00
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The \fBmenu\fR library maintains a default value for item attributes. You can
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get or set this default by calling the appropriate \fBget_\fR or \fBset_\fR
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routine with a \fBNULL\fR item pointer. Changing this default with a
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\fBset_\fR function affects future item creations, but does not change the
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rendering of items already created.
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.SS Routine Name Index
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The following table lists each \fBmenu\fR routine and the name of
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the manual page on which it is described.
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.TS
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l l .
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\fBcurses\fR Routine Name Manual Page Name
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=
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current_item \fBmitem_current\fR(3X)
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free_item \fBmitem_new\fR(3X)
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free_menu \fBmenu_new\fR(3X)
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item_count \fBmenu_items\fR(3X)
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item_description \fBmitem_name\fR(3X)
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item_index \fBmitem_current\fR(3X)
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item_init \fBmenu_hook\fR(3X)
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item_name \fBmitem_name\fR(3X)
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item_opts \fBmitem_opts\fR(3X)
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item_opts_off \fBmitem_opts\fR(3X)
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item_opts_on \fBmitem_opts\fR(3X)
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item_term \fBmenu_hook\fR(3X)
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item_userptr \fBmitem_userptr\fR(3X)
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item_value \fBmitem_value\fR(3X)
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item_visible \fBmitem_visible\fR(3X)
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menu_back \fBmenu_attribs\fR(3X)
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menu_driver \fBmenu_driver\fR(3X)
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menu_fore \fBmenu_attribs\fR(3X)
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menu_format \fBmenu_format\fR(3X)
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menu_grey \fBmenu_attribs\fR(3X)
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menu_init \fBmenu_hook\fR(3X)
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menu_items \fBmenu_items\fR(3X)
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menu_mark \fBmenu_mark\fR(3X)
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menu_opts \fBmenu_opts\fR(3X)
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menu_opts_off \fBmenu_opts\fR(3X)
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menu_opts_on \fBmenu_opts\fR(3X)
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menu_pad \fBmenu_attribs\fR(3X)
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menu_pattern \fBmenu_pattern\fR(3X)
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menu_request_by_name \fBmenu_requestname\fR(3X)
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menu_request_name \fBmenu_requestname\fR(3X)
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menu_spacing \fBmenu_spacing\fR(3X)
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menu_sub \fBmenu_win\fR(3X)
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menu_term \fBmenu_hook\fR(3X)
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menu_userptr \fBmenu_userptr\fR(3X)
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menu_win \fBmenu_win\fR(3X)
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new_item \fBmitem_new\fR(3X)
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new_menu \fBmenu_new\fR(3X)
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pos_menu_cursor \fBmenu_cursor\fR(3X)
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post_menu \fBmenu_post\fR(3X)
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scale_menu \fBmenu_win\fR(3X)
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set_current_item \fBmitem_current\fR(3X)
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set_item_init \fBmenu_hook\fR(3X)
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set_item_opts \fBmitem_opts\fR(3X)
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set_item_term \fBmenu_hook\fR(3X)
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set_item_userptr \fBmitem_userptr\fR(3X)
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set_item_value \fBmitem_value\fR(3X)
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set_menu_back \fBmenu_attribs\fR(3X)
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set_menu_fore \fBmenu_attribs\fR(3X)
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set_menu_format \fBmenu_format\fR(3X)
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set_menu_grey \fBmenu_attribs\fR(3X)
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set_menu_init \fBmenu_hook\fR(3X)
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set_menu_items \fBmenu_items\fR(3X)
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set_menu_mark \fBmenu_mark\fR(3X)
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set_menu_opts \fBmitem_opts\fR(3X)
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set_menu_pad \fBmenu_attribs\fR(3X)
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set_menu_pattern \fBmenu_pattern\fR(3X)
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set_menu_spacing \fBmenu_spacing\fR(3X)
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set_menu_sub \fBmenu_win\fR(3X)
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set_menu_term \fBmenu_hook\fR(3X)
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set_menu_userptr \fBmenu_userptr\fR(3X)
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set_menu_win \fBmenu_win\fR(3X)
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set_top_row \fBmitem_current\fR(3X)
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top_row \fBmitem_current\fR(3X)
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unpost_menu \fBmenu_post\fR(3X)
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.TE
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.SH RETURN VALUE
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Routines that return pointers return \fBNULL\fR on error. Routines that return
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an integer return one of the following error codes:
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.TP 5
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\fBE_OK\fR
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The routine succeeded.
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.TP 5
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\fBE_SYSTEM_ERROR\fR
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System error occurred (see \fBerrno\fR).
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.TP 5
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\fBE_BAD_ARGUMENT\fR
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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\fBE_POSTED\fR
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The menu is already posted.
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.TP 5
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\fBE_BAD_STATE\fR
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Routine was called from an initialization or termination function.
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.TP 5
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\fBE_NO_ROOM\fR
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Menu is too large for its window.
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.TP 5
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\fBE_NOT_POSTED\fR
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The menu has not been posted.
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.TP 5
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\fBE_UNKNOWN_COMMAND\fR
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The menu driver code saw an unknown request code.
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.TP 5
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\fBE_NO_MATCH\fR
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Character failed to match.
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.TP 5
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\fBE_NOT_SELECTABLE\fR
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The designated item cannot be selected.
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.TP 5
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\fBE_NOT_CONNECTED\fR
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No items are connected to the menu.
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.TP 5
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\fBE_REQUEST_DENIED\fR
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The menu driver could not process the request.
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.SH SEE ALSO
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\fBcurses\fR(3X) and 3X pages whose names begin "menu_" for detailed
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descriptions of the entry points.
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.SH NOTES
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The header file \fB<menu.h>\fR automatically includes the header files
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\fB<curses.h>\fR and \fB<eti.h>\fR.
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In your library list, libmenu.a should be before libncurses.a; that is,
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you want to say `-lmenu -lncurses', not the other way around (which would
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give you a link error using GNU \fBld\fR(1) and many other linkers).
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.SH PORTABILITY
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These routines emulate the System V menu library. 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. Manual pages and adaptation for ncurses by Eric
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S. Raymond.
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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