From: handa <handa>
Date: Tue, 8 Nov 2005 12:48:32 +0000 (+0000)
Subject: (delete_char): Fix the case of deleting the previous
X-Git-Tag: REL-1-3-0~85
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=6893b58753b476ff79e8aed5ebe73e5e42b89c43;p=m17n%2Fm17n-lib.git

(delete_char): Fix the case of deleting the previous
multiple characters.
(surrounding_text_handler): Check number characters to delete.
---

diff --git a/example/medit.c b/example/medit.c
index 6465fd8..df7c7ba 100644
--- a/example/medit.c
+++ b/example/medit.c
@@ -950,6 +950,8 @@ delete_char (int n)
     from = cursor.from, to = from + n;
   else
     {
+      from = cursor.from + n;
+      to = cursor.from;
       if (cursor.from == cur.from)
 	{
 	  /* We are at the beginning of line.  */
@@ -963,13 +965,6 @@ delete_char (int n)
 	      reseat (info.line_from);
 	    }
 	  update_cursor (pos, 1);
-	  from = cursor.from;
-	  to = cursor.to;
-	}
-      else
-	{
-	  from = cursor.from - 1;
-	  to = cursor.from;
 	}
     }
 
@@ -2204,8 +2199,18 @@ surrounding_text_handler (MInputContext *ic, MSymbol command)
     {
       int len = (int) mplist_value (ic->plist);      
 
-      if (len != 0)
-	delete_char (len);
+      if (len < 0)
+	{
+	  if (corsor.from + len < 0)
+	    len = - corsor.from;
+	  delete_char (len);
+	}
+      else if (len > 0)
+	{
+	  if (corsor.from + len > nchars)
+	    len = nchars - corsor.from;
+	  delete_char (len);
+	}
     }
 }