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/* $OpenBSD: fld_max.c,v 1.1 1997/12/03 05:39:55 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses form library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
#include "form.priv.h"
MODULE_ID("Id: fld_max.c,v 1.1 1997/10/21 13:24:19 juergen Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_max_field(FIELD *field, int maxgrow)
|
| Description : Set the maximum growth for a dynamic field. If maxgrow=0
| the field may grow to any possible size.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid argument
+--------------------------------------------------------------------------*/
int set_max_field(FIELD *field, int maxgrow)
{
if (!field || (maxgrow<0))
RETURN(E_BAD_ARGUMENT);
else
{
bool single_line_field = Single_Line_Field(field);
if (maxgrow>0)
{
if (( single_line_field && (maxgrow < field->dcols)) ||
(!single_line_field && (maxgrow < field->drows)))
RETURN(E_BAD_ARGUMENT);
}
field->maxgrow = maxgrow;
field->status &= ~_MAY_GROW;
if (!(field->opts & O_STATIC))
{
if ((maxgrow==0) ||
( single_line_field && (field->dcols < maxgrow)) ||
(!single_line_field && (field->drows < maxgrow)))
field->status |= _MAY_GROW;
}
}
RETURN(E_OK);
}
/* fld_max.c ends here */
|
