X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=form%2Ffld_max.c;h=325541a373b5c76c076ae8f49ad68261fc1ba9db;hp=1ed58176b889ae23f10b2b8ffeccc0862d7502ef;hb=643ec2bf782cd02efafe3ccdeaea8920a404645e;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01

diff --git a/form/fld_max.c b/form/fld_max.c
index 1ed58176..325541a3 100644
--- a/form/fld_max.c
+++ b/form/fld_max.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998,2000 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            *
@@ -28,49 +29,55 @@
 
 /****************************************************************************
  *   Author:  Juergen Pfeifer, 1995,1997                                    *
- *   Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en             *
  ****************************************************************************/
 
 #include "form.priv.h"
 
-MODULE_ID("$Id: fld_max.c,v 1.6 2002/07/06 15:33:27 juergen 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)
-set_max_field (FIELD *field, int maxgrow)
+FORM_EXPORT(int)
+set_max_field(FIELD *field, int maxgrow)
 {
-  if (!field || (maxgrow<0))
+  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 (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;
-      field->status &= ~_MAY_GROW;
-      if (!(field->opts & O_STATIC))
+      /* 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))
 	{
-	  if ((maxgrow==0) ||
-	      ( single_line_field && (field->dcols < maxgrow)) ||
+	  if ((maxgrow == 0) ||
+	      (single_line_field && (field->dcols < maxgrow)) ||
 	      (!single_line_field && (field->drows < maxgrow)))
-	    field->status |= _MAY_GROW;
+	    SetStatus(field, _MAY_GROW);
 	}
     }
   RETURN(E_OK);
 }
-		  
+
 /* fld_max.c ends here */