text: /****************************************************************************
   * Copyright (c) 1998-2005,2010 Free Software Foundation, Inc.              *
   *                                                                          *
   * Permission is hereby granted, free of charge, to any person obtaining a  *
   * copy of this software and associated documentation files (the            *
   * "Software"), to deal in the Software without restriction, including      *
   * without limitation the rights to use, copy, modify, merge, publish,      *
   * distribute, distribute with modifications, sublicense, and/or sell       *
   * copies of the Software, and to permit persons to whom the Software is    *
   * furnished to do so, subject to the following conditions:                 *
   *                                                                          *
   * The above copyright notice and this permission notice shall be included  *
   * in all copies or substantial portions of the Software.                   *
   *                                                                          *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
   * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
   * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
   * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
   * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
   *                                                                          *
   * Except as contained in this notice, the name(s) of the above copyright   *
   * holders shall not be used in advertising or otherwise to promote the     *
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************/
  
  /****************************************************************************
   *   Author:  Juergen Pfeifer, 1995,1997                                    *
   ****************************************************************************/
  
  #include "form.priv.h"
  
  MODULE_ID("$Id: frm_opts.c,v 1.15 2010/01/23 21:14:36 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)
  {
    T((T_CALLED("set_form_opts(%p,%d)"), (void *)form, 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)
  {
    T((T_CALLED("form_opts(%p)"), (const void *)form));
    returnCode((int)(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)
  {
    T((T_CALLED("form_opts_on(%p,%d)"), (void *)form, 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)
  {
    T((T_CALLED("form_opts_off(%p,%d)"), (void *)form, 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 */
  