CMakeLua/Source/CursesDialog/form/frm_page.c

   1 /****************************************************************************
   2  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
   3  *                                                                          *
   4  * Permission is hereby granted, free of charge, to any person obtaining a  *
   5  * copy of this software and associated documentation files (the            *
   6  * "Software"), to deal in the Software without restriction, including      *
   7  * without limitation the rights to use, copy, modify, merge, publish,      *
   8  * distribute, distribute with modifications, sublicense, and/or sell       *
   9  * copies of the Software, and to permit persons to whom the Software is    *
  10  * furnished to do so, subject to the following conditions:                 *
  11  *                                                                          *
  12  * The above copyright notice and this permission notice shall be included  *
  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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  21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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  23  * Except as contained in this notice, the name(s) of the above copyright   *
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  28
  29 /****************************************************************************
  30  *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
  31  ****************************************************************************/
  32
  33 #include "form.priv.h"
  34
  35 MODULE_ID("$Id: frm_page.c,v 1.1 2001/11/05 16:53:02 berk Exp $")
  36
  37 /*---------------------------------------------------------------------------
  38 |   Facility      :  libnform
  39 |   Function      :  int set_form_page(FORM * form,int  page)
  40 |
  41 |   Description   :  Set the page number of the form.
  42 |
  43 |   Return Values :  E_OK              - success
  44 |                    E_BAD_ARGUMENT    - invalid form pointer or page number
  45 |                    E_BAD_STATE       - called from a hook routine
  46 |                    E_INVALID_FIELD   - current field can't be left
  47 |                    E_SYSTEM_ERROR    - system error
  48 +--------------------------------------------------------------------------*/
  49 int set_form_page(FORM * form, int page)
  50 {
  51   int err = E_OK;
  52
  53   if ( !form || (page<0) || (page>=form->maxpage) )
  54     RETURN(E_BAD_ARGUMENT);
  55
  56   if (!(form->status & _POSTED))
  57     {
  58       form->curpage = page;
  59       form->current = _nc_First_Active_Field(form);
  60   }
  61   else
  62     {
  63       if (form->status & _IN_DRIVER)
  64         err = E_BAD_STATE;
  65       else
  66         {
  67           if (form->curpage != page)
  68             {
  69               if (!_nc_Internal_Validation(form))
  70                 err = E_INVALID_FIELD;
  71               else
  72                 {
  73                   Call_Hook(form,fieldterm);
  74                   Call_Hook(form,formterm);
  75                   err = _nc_Set_Form_Page(form,page,(FIELD *)0);
  76                   Call_Hook(form,forminit);
  77                   Call_Hook(form,fieldinit);
  78                   _nc_Refresh_Current_Field(form);
  79                 }
  80             }
  81         }
  82     }
  83   RETURN(err);
  84 }
  85
  86 /*---------------------------------------------------------------------------
  87 |   Facility      :  libnform
  88 |   Function      :  int form_page(const FORM * form)
  89 |
  90 |   Description   :  Return the current page of the form.
  91 |
  92 |   Return Values :  >= 0  : current page number
  93 |                    -1    : invalid form pointer
  94 +--------------------------------------------------------------------------*/
  95 int form_page(const FORM * form)
  96 {
  97   return Normalize_Form(form)->curpage;
  98 }
  99
 100 /* frm_page.c ends here */