75 lines
3.5 KiB
C
75 lines
3.5 KiB
C
|
/****************************************************************************
|
||
|
|
* Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1995,1997 *
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include "form.priv.h"
|
||
|
|
|
||
|
|
MODULE_ID("$Id: fld_max.c,v 1.4 1999/05/16 17:18:34 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 */
|