menu_opts_on3x
Set and get menu options
Part of menu_opts(3x).
Usage
int set_menu_opts(MENU
*menu,
Menu_Options
opts);
Menu_Options
menu_opts(const
MENU
*menu);
int menu_opts_on(MENU
*menu,
Menu_Options
opts);
int
menu_opts_off(MENU
*menu,
Menu_Options
opts);
Overview
The function set_menu_opts sets all the given menu's option bits (menu option bits may be logically “or”-ed together).
The function menu_opts_on turns on the given option bits, and leaves others alone.
The function menu_opts_off turns off the given option bits, and leaves others alone.
The function menu_opts returns the menu's current option bits.
The following options are defined (all are on by default):
O_ONEVALUE-
Only one item can be selected for this menu.
O_SHOWDESC-
Display the item descriptions when the menu is posted.
O_ROWMAJOR-
Display the menu in row-major order.
O_IGNORECASE-
Ignore the case when pattern-matching.
O_SHOWMATCH-
Move the cursor to within the item name while pattern-matching.
O_NONCYCLIC-
Don't wrap around next-item and previous-item, requests to the other end of the menu.
O_MOUSE_MENU-
If user clicks with the mouse and it does not fall on the currently active menu, push KEY_MOUSE and the MEVENT data back on the queue to allow processing in another part of the calling program.
Return value
Except for menu_opts, each routine returns one of the following:
E_OK-
The routine succeeded.
E_SYSTEM_ERROR-
System error occurred (see errno(3)).
E_POSTED-
The menu is already posted.
Portability
These routines emulate the System V menu library. They were not supported on Version 7 or BSD versions.