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Kitware
GitHub Repository: Kitware/CMake
 Path: blob/master/Source/CursesDialog/form/fld_max.c
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/****************************************************************************

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 * Copyright (c) 1998 Free Software Foundation, Inc.                        *

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 *                                                                          *

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 * Permission is hereby granted, free of charge, to any person obtaining a  *

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 * copy of this software and associated documentation files (the            *

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 * "Software"), to deal in the Software without restriction, including      *

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 * without limitation the rights to use, copy, modify, merge, publish,      *

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 * distribute, distribute with modifications, sublicense, and/or sell       *

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 * copies of the Software, and to permit persons to whom the Software is    *

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 * furnished to do so, subject to the following conditions:                 *

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 *                                                                          *

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 * The above copyright notice and this permission notice shall be included  *

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 * in all copies or substantial portions of the Software.                   *

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 *                                                                          *

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *

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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *

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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *

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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *

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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *

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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *

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 *                                                                          *

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 * Except as contained in this notice, the name(s) of the above copyright   *

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 * holders shall not be used in advertising or otherwise to promote the     *

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 * sale, use or other dealings in this Software without prior written       *

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 * authorization.                                                           *

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 ****************************************************************************/

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/****************************************************************************

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 *   Author: Juergen Pfeifer <[email protected]> 1995,1997            *

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 ****************************************************************************/

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#include "form.priv.h"

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MODULE_ID("$Id$")

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/*---------------------------------------------------------------------------

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|   Facility      :  libnform  

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|   Function      :  int set_max_field(FIELD *field, int maxgrow)

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|   

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|   Description   :  Set the maximum growth for a dynamic field. If maxgrow=0

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|                    the field may grow to any possible size.

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|

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|   Return Values :  E_OK           - success

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|                    E_BAD_ARGUMENT - invalid argument

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+--------------------------------------------------------------------------*/

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int set_max_field(FIELD *field, int maxgrow)

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{

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  if (!field || (maxgrow<0))

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    RETURN(E_BAD_ARGUMENT);

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  else

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    {

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      bool single_line_field = Single_Line_Field(field);

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      if (maxgrow>0)

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	{

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	  if (( single_line_field && (maxgrow < field->dcols)) ||

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	      (!single_line_field && (maxgrow < field->drows)))

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	    RETURN(E_BAD_ARGUMENT);

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	}

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      field->maxgrow = maxgrow;

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      field->status &= ~_MAY_GROW;

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      if (!(field->opts & O_STATIC))

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	{

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	  if ((maxgrow==0) ||

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	      ( single_line_field && (field->dcols < maxgrow)) ||

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	      (!single_line_field && (field->drows < maxgrow)))

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	    field->status |= _MAY_GROW;

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	}

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    }

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  RETURN(E_OK);

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}

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/* fld_max.c ends here */

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