diff options
Diffstat (limited to 'lib/libform/fld_max.c')
| -rw-r--r-- | lib/libform/fld_max.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libform/fld_max.c b/lib/libform/fld_max.c new file mode 100644 index 00000000000..2846f81a434 --- /dev/null +++ b/lib/libform/fld_max.c @@ -0,0 +1,66 @@ +/* $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 */ |