ncursesw-morphos/form/fld_max.c
Thomas E. Dickey dff527f594 ncurses 5.9 - patch 20130824
+ fix some gcc 4.8 -Wconversion warnings.
+ change format of dpkg test-scripts to quilted to work around bug
  introduced by Debian #700177.
+ discard cached keyname() values if meta() is changed after a value
  was cached using (report by Kurban Mallachiev).
2013-08-25 00:03:40 +00:00

78 lines
3.6 KiB
C

/****************************************************************************
* Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
* *
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* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
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* 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. *
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****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: fld_max.c,v 1.13 2013/08/24 22:59:28 tom 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
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_max_field(FIELD *field, int maxgrow)
{
T((T_CALLED("set_max_field(%p,%d)"), (void *)field, 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;
ClrStatus(field, _MAY_GROW);
if (!((unsigned)field->opts & O_STATIC))
{
if ((maxgrow == 0) ||
(single_line_field && (field->dcols < maxgrow)) ||
(!single_line_field && (field->drows < maxgrow)))
SetStatus(field, _MAY_GROW);
}
}
RETURN(E_OK);
}
/* fld_max.c ends here */