diff options
Diffstat (limited to 'Source/CursesDialog/form/fld_max.c')
| -rw-r--r-- | Source/CursesDialog/form/fld_max.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Source/CursesDialog/form/fld_max.c b/Source/CursesDialog/form/fld_max.c new file mode 100644 index 0000000..cca8dc5 --- /dev/null +++ b/Source/CursesDialog/form/fld_max.c @@ -0,0 +1,74 @@ +/**************************************************************************** + * 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("$Id$") + +/*--------------------------------------------------------------------------- +| 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 */ |