| Current Path : /usr/src/contrib/ncurses/form/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ncurses/form/frm_page.c |
/****************************************************************************
* Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. *
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* 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 *
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* copies of the Software, and to permit persons to whom the Software is *
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****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: frm_page.c,v 1.10 2004/12/11 22:08:21 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_form_page(FORM * form,int page)
|
| Description : Set the page number of the form.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid form pointer or page number
| E_BAD_STATE - called from a hook routine
| E_INVALID_FIELD - current field can't be left
| E_SYSTEM_ERROR - system error
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_form_page(FORM *form, int page)
{
int err = E_OK;
T((T_CALLED("set_form_page(%p,%d)"), form, page));
if (!form || (page < 0) || (page >= form->maxpage))
RETURN(E_BAD_ARGUMENT);
if (!(form->status & _POSTED))
{
form->curpage = page;
form->current = _nc_First_Active_Field(form);
}
else
{
if (form->status & _IN_DRIVER)
err = E_BAD_STATE;
else
{
if (form->curpage != page)
{
if (!_nc_Internal_Validation(form))
err = E_INVALID_FIELD;
else
{
Call_Hook(form, fieldterm);
Call_Hook(form, formterm);
err = _nc_Set_Form_Page(form, page, (FIELD *)0);
Call_Hook(form, forminit);
Call_Hook(form, fieldinit);
_nc_Refresh_Current_Field(form);
}
}
}
}
RETURN(err);
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int form_page(const FORM * form)
|
| Description : Return the current page of the form.
|
| Return Values : >= 0 : current page number
| -1 : invalid form pointer
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
form_page(const FORM *form)
{
T((T_CALLED("form_page(%p)"), form));
returnCode(Normalize_Form(form)->curpage);
}
/* frm_page.c ends here */