form_field_opts - set and get field options
#include
<form.h>
int set_field_opts(FIELD *field, OPTIONS opts);
int field_opts_on(FIELD *field, OPTIONS opts);
int field_opts_off(FIELD *field, OPTIONS opts);
OPTIONS field_opts(const FIELD *field);
The function set_field_opts sets all the given field’s option bits (field option bits may be logically-OR’ed together).
The function field_opts_on turns on the given option bits, and leaves others alone.
The function field_opts_off turns off the given option bits, and leaves others alone.
The function field_opts returns the field’s current option bits.
The following
options are defined (all are on by default):
O_VISIBLE
The field is displayed. If this option is off, display of the field is suppressed,
O_ACTIVE
The field is visited during processing. If this option is off, the field will not be reachable by navigation keys.
O_PUBLIC
The field contents are displayed as data is entered.
O_EDIT
The field can be edited.
O_WRAP
Words that don’t fit on a line are wrapped to the next line. Words are blank-separated.
O_BLANK
The field is cleared whenever a character is entered at the first position.
O_AUTOSKIP
Skip to the next field when this one fills
O_NULLOK
Allow a blank field.
O_STATIC
Field buffers are fixed to field’s original size.
O_PASSOK
Validate field only if modified by user.
Except for field_opts, each routine returns one of the following:
|
E_OK |
The routine succeeded. |
E_SYSTEM_ERROR
System error occurred (see errno).
E_CURRENT
The field is the current field.
curses(3X), form(3X).
NOTES |
The header file <form.h> automatically includes the header file <curses.h>. |
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond.