aboutsummaryrefslogtreecommitdiff
path: root/form/fld_max.c
diff options
context:
space:
mode:
Diffstat (limited to 'form/fld_max.c')
-rw-r--r--form/fld_max.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/form/fld_max.c b/form/fld_max.c
new file mode 100644
index 000000000000..7f5352e00d6e
--- /dev/null
+++ b/form/fld_max.c
@@ -0,0 +1,77 @@
+/****************************************************************************
+ * Copyright (c) 1998-2003,2004 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, 1995,1997 *
+ ****************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: fld_max.c,v 1.9 2004/12/11 21:51:54 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)"), 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;
+ 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 */