устанавливать и разрывать связи между полями и формами (make and break connections between fields and forms)
Имя (Name)
form_field
- make and break connections between fields and forms
Синопсис (Synopsis)
#include <form.h>
int set_form_fields(FORM *
form, FIELD **
fields);
FIELD **form_fields(const FORM *
form);
int field_count(const FORM *
form);
int move_field(FIELD *
field, int
frow, int
fcol);
Описание (Description)
The function set_form_fields
changes the field pointer array of
the given form. The array must be terminated by a NULL
.
The function form_fields
returns the field array of the given
form.
The function field_count
returns the count of fields in form.
The function move_field
moves the given field (which must be
disconnected) to a specified location on the screen.
Возвращаемое значение (Return value)
The function form_fields
returns a pointer (which may be NULL
).
It does not set errno
.
The function field_count
returns ERR
if the form parameter is
NULL
.
The functions set_form_fields
and move_field
return one of the
following codes on error:
E_OK
The routine succeeded.
E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
E_CONNECTED
The field is already connected to a form.
E_POSTED
The form is already posted.
E_SYSTEM_ERROR
System error occurred (see errno(3)).
Смотри также (See also)
curses
(3X), form
(3X).
Примечание (Note)
The header file <form.h>
automatically includes the header file
<curses.h>
.
Портативность (Portability)
These routines emulate the System V forms library. They were not
supported on Version 7 or BSD versions.
The SVr4 forms library documentation specifies the field_count
error value as -1 (which is the value of ERR
).