NAME

       set_field_opts, field_opts_on, field_opts_off, field_opts - set and get field options

SYNOPSIS

       #include <form.h>

       int set_field_opts(FIELD *field, Field_Options opts);
       Field_Options field_opts(const FIELD *field);

       int field_opts_on(FIELD *field, Field_Options opts);
       int field_opts_off(FIELD *field, Field_Options opts);

DESCRIPTION

       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 standard options are defined (all are on by default):

       O_ACTIVE
            The field is visited during processing.  If this option is off, the field will not be
            reachable  by  navigation  keys.  Please notice that an invisible field appears to be
            inactive also.

       O_AUTOSKIP
            Skip to the next field when this one fills.

       O_BLANK
            The field is cleared whenever a character is entered at the first position.

       O_EDIT
            The field can be edited.

       O_NULLOK
            Allow a blank field.

       O_PASSOK
            Validate field only if modified by user.

       O_PUBLIC
            The field contents are displayed as data is entered.

       O_STATIC
            Field buffers are fixed to field's original size.  Turn this option off to  create  a
            dynamic field.

       O_VISIBLE
            The field is displayed.  If this option is off, display of the field is suppressed.

       O_WRAP
            Words  that  do  not  fit  on  a line are wrapped to the next line.  Words are blank-
            separated.

       These extension options are defined (extensions are off by default):

       O_DYNAMIC_JUSTIFY
            Permit dynamic fields to be justified, like static fields.

       O_NO_LEFT_STRIP
            Preserve leading whitespace in the field buffer, which is normally discarded.

       O_EDGE_INSERT_STAY
            When inserting into a field  up  to  the  boundary  position,  optionally  delay  the
            scrolling,  so  that  the  last  inserted  character remains visible, but advance the
            cursor to reflect the insertion.   This  allows  the  form  library  to  display  the
            inserted  character  in  one-character  fields  as  well  as  allowing the library to
            maintain consistent state.

       O_INPUT_FIELD
            The set_max_field function checks for this extension, which allows a dynamic field to
            shrink if the new limit is smaller than the current field size.

RETURN VALUE

       Except for field_opts, each routine returns one of the following:

       E_OK The routine succeeded.

       E_BAD_ARGUMENT
            Routine detected an incorrect or out-of-range argument.

       E_CURRENT
            The field is the current field.

       E_SYSTEM_ERROR
            System error occurred (see errno(3)).

SEE ALSO

       ncurses(3NCURSES), form(3FORM).  field_just(3FORM).

NOTES

       The header file <form.h> automatically includes the header file <curses.h>.

PORTABILITY

       These  routines  emulate the System V forms library.  They were not supported on Version 7
       or BSD versions.

AUTHORS

       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

                                                                                field_opts(3FORM)