/****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
+ * Copyright 2019-2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2012,2013 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 *
#include "form.priv.h"
-MODULE_ID("$Id: fld_max.c,v 1.13 2013/08/24 22:59:28 tom Exp $")
+MODULE_ID("$Id: fld_max.c,v 1.18 2021/06/17 21:26:02 tom Exp $")
/*---------------------------------------------------------------------------
-| Facility : libnform
+| 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
+--------------------------------------------------------------------------*/
-NCURSES_EXPORT(int)
+FORM_EXPORT(int)
set_max_field(FIELD *field, int maxgrow)
{
T((T_CALLED("set_max_field(%p,%d)"), (void *)field, maxgrow));
if (maxgrow > 0)
{
- if ((single_line_field && (maxgrow < field->dcols)) ||
- (!single_line_field && (maxgrow < field->drows)))
+ if (((single_line_field && (maxgrow < field->dcols)) ||
+ (!single_line_field && (maxgrow < field->drows))) &&
+ !Field_Has_Option(field, O_INPUT_LIMIT))
RETURN(E_BAD_ARGUMENT);
}
field->maxgrow = maxgrow;
+ /* shrink */
+ if (maxgrow > 0 && Field_Has_Option(field, O_INPUT_LIMIT) &&
+ field->dcols > maxgrow)
+ field->dcols = maxgrow;
ClrStatus(field, _MAY_GROW);
if (!((unsigned)field->opts & O_STATIC))
{