frm_opts.c

ncurses-5.4

/****************************************************************************
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/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: frm_opts.c,v 1.11 2003/10/25 15:17:08 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int set_form_opts(FORM *form, Form_Options opts)
|   
|   Description   :  Turns on the named options and turns off all the
|                    remaining options for that form.
|
|   Return Values :  E_OK              - success
|                    E_BAD_ARGUMENT    - invalid options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_form_opts (FORM * form, Form_Options  opts)
{
  opts &= ALL_FORM_OPTS;
  if (opts & ~ALL_FORM_OPTS)
    RETURN(E_BAD_ARGUMENT);
  else
    {
      Normalize_Form( form )->opts = opts;
      RETURN(E_OK);
    }
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  Form_Options form_opts(const FORM *)
|   
|   Description   :  Retrieves the current form options.
|
|   Return Values :  The option flags.
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(Form_Options)
form_opts (const FORM * form)
{
  return (Normalize_Form(form)->opts & ALL_FORM_OPTS);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int form_opts_on(FORM *form, Form_Options opts)
|   
|   Description   :  Turns on the named options; no other options are 
|                    changed.
|
|   Return Values :  E_OK            - success 
|                    E_BAD_ARGUMENT  - invalid options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
form_opts_on (FORM * form, Form_Options opts)
{
  opts &= ALL_FORM_OPTS;
  if (opts & ~ALL_FORM_OPTS)
    RETURN(E_BAD_ARGUMENT);
  else
    {
      Normalize_Form( form )->opts |= opts;	
      RETURN(E_OK);
    }
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int form_opts_off(FORM *form, Form_Options opts)
|   
|   Description   :  Turns off the named options; no other options are 
|                    changed.
|
|   Return Values :  E_OK            - success 
|                    E_BAD_ARGUMENT  - invalid options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
form_opts_off (FORM * form, Form_Options opts)
{
  opts &= ALL_FORM_OPTS;
  if (opts & ~ALL_FORM_OPTS)
    RETURN(E_BAD_ARGUMENT);
  else
    {
      Normalize_Form(form)->opts &= ~opts;
      RETURN(E_OK);
    }
}

/* frm_opts.c ends here */