text: /*	$OpenBSD: frm_post.c,v 1.6 2015/01/23 22:48:51 krw Exp $	*/
  /****************************************************************************
   * Copyright (c) 1998-2003,2004 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_post.c,v 1.6 2015/01/23 22:48:51 krw Exp $")
  
  /*---------------------------------------------------------------------------
  |   Facility      :  libnform  
  |   Function      :  int post_form(FORM * form)
  |   
  |   Description   :  Writes the form into its associated subwindow.
  |
  |   Return Values :  E_OK              - success
  |                    E_BAD_ARGUMENT    - invalid form pointer
  |                    E_POSTED          - form already posted
  |                    E_NOT_CONNECTED   - no fields connected to form
  |                    E_NO_ROOM         - form doesn't fit into subwindow
  |                    E_SYSTEM_ERROR    - system error
  +--------------------------------------------------------------------------*/
  NCURSES_EXPORT(int)
  post_form(FORM *form)
  {
    WINDOW *formwin;
    int err;
    int page;
  
    T((T_CALLED("post_form(%p)"), form));
  
    if (!form)
      RETURN(E_BAD_ARGUMENT);
  
    if (form->status & _POSTED)
      RETURN(E_POSTED);
  
    if (!(form->field))
      RETURN(E_NOT_CONNECTED);
  
    formwin = Get_Form_Window(form);
    if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin)))
      RETURN(E_NO_ROOM);
  
    /* reset form->curpage to an invald value. This forces Set_Form_Page
       to do the page initialization which is required by post_form.
     */
    page = form->curpage;
    form->curpage = -1;
    if ((err = _nc_Set_Form_Page(form, page, form->current)) != E_OK)
      RETURN(err);
  
    form->status |= _POSTED;
  
    Call_Hook(form, forminit);
    Call_Hook(form, fieldinit);
  
    _nc_Refresh_Current_Field(form);
    RETURN(E_OK);
  }
  
  /*---------------------------------------------------------------------------
  |   Facility      :  libnform  
  |   Function      :  int unpost_form(FORM * form)
  |   
  |   Description   :  Erase form from its associated subwindow.
  |
  |   Return Values :  E_OK            - success
  |                    E_BAD_ARGUMENT  - invalid form pointer
  |                    E_NOT_POSTED    - form isn't posted
  |                    E_BAD_STATE     - called from a hook routine
  +--------------------------------------------------------------------------*/
  NCURSES_EXPORT(int)
  unpost_form(FORM *form)
  {
    T((T_CALLED("unpost_form(%p)"), form));
  
    if (!form)
      RETURN(E_BAD_ARGUMENT);
  
    if (!(form->status & _POSTED))
      RETURN(E_NOT_POSTED);
  
    if (form->status & _IN_DRIVER)
      RETURN(E_BAD_STATE);
  
    Call_Hook(form, fieldterm);
    Call_Hook(form, formterm);
  
    werase(Get_Form_Window(form));
    delwin(form->w);
    form->w = (WINDOW *)0;
    form->status &= ~_POSTED;
    RETURN(E_OK);
  }
  
  /* frm_post.c ends here */
  