From 8e5fa100d37547fbbb2862fe8bab431e0d1ea7a6 Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 16 Dec 2007 02:51:46 +0000
Subject: - better method to uncache ANSI escapes

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3687 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/screen.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'mbbsd')

diff --git a/mbbsd/screen.c b/mbbsd/screen.c
index c959cf45..8256ba5e 100644
--- a/mbbsd/screen.c
+++ b/mbbsd/screen.c
@@ -155,6 +155,8 @@ redoscr(void)
     oflush();
 }
 
+// deprecated?
+#if 0
 void
 redoln(void)
 {
@@ -179,6 +181,7 @@ redoln(void)
     rel_move(tc_col, tc_line, cur_col, cur_ln);
     oflush();
 }
+#endif 
 
 void
 refresh(void)
@@ -213,8 +216,25 @@ refresh(void)
 	    j = 0;
 	bp = &big_picture[j];
 	len = bp->len;
-	if (bp->mode & MODIFIED && bp->smod < len) {
+
+	if (bp->mode & MODIFIED && bp->smod < len) 
+	{
 	    bp->mode &= ~(MODIFIED);
+
+	    // more effort to determine ANSI smod
+	    if (bp->smod > 0)
+	    {
+		int iesc;
+		for (iesc = bp->smod-1; iesc >= 0; iesc--)
+		{
+		    if (bp->data[iesc] == ESC_CHR)
+		    {
+			bp->smod = iesc;
+			break;
+		    }
+		}
+	    }
+	    
 	    if (bp->emod >= len)
 		bp->emod = len - 1;
 	    rel_move(tc_col, tc_line, bp->smod, i);
@@ -243,7 +263,6 @@ refresh(void)
 	    o_cleol();
 	}
 	bp->oldlen = len;
-
     }
 
     rel_move(tc_col, tc_line, cur_col, cur_ln);
-- 
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