From 0b71076e3eceb87fa71e4c4bb8586af4d7daf74f Mon Sep 17 00:00:00 2001
From: vincentdarley <vincentdarley>
Date: Wed, 9 Jun 2004 22:39:08 +0000
Subject: multiline text widget regexp search fix

---
 ChangeLog        |  7 +++++++
 generic/tkText.c |  4 ++--
 tests/text.test  | 31 ++++++++++++++++++++++++++++++-
 3 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8ad0f5d..6f2e213 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2004-06-09  Vince Darley  <vincentdarley@users.sourceforge.net>
+
+	* generic/tkText.c: 
+	* tests/text.test: fix to multi-line regexp search bugs in text
+	widget (reported against Alphatk editor, not on sf).  
+	Addded 3 new tests.
+
 2004-06-09  Donal K. Fellows  <donal.k.fellows@man.ac.uk>
 
 	* generic/tkUndo.c (TkUndoSetDepth): Delete the unlinked element and
diff --git a/generic/tkText.c b/generic/tkText.c
index 01a09f9..fecbdb0 100644
--- a/generic/tkText.c
+++ b/generic/tkText.c
@@ -14,7 +14,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkText.c,v 1.50 2004/06/04 10:51:18 vincentdarley Exp $
+ * RCS: @(#) $Id: tkText.c,v 1.51 2004/06/09 22:39:08 vincentdarley Exp $
  */
 
 #include "default.h"
@@ -4612,7 +4612,7 @@ SearchCore(interp, searchSpecPtr, patObj)
 		 */
 		if (!match 
 		    || ((info.extendStart == info.matches[0].start) 
-			&& (info.matches[0].end == lastOffset))) {
+			&& (info.matches[0].end == (lastOffset - firstOffset)))) {
 		    int extraLines = 1;
 		    int prevFullLine;
 		    /* 
diff --git a/tests/text.test b/tests/text.test
index 2d0ee93..16a6083 100644
--- a/tests/text.test
+++ b/tests/text.test
@@ -6,7 +6,7 @@
 # Copyright (c) 1998-1999 by Scriptics Corporation.
 # All rights reserved.
 #
-# RCS: @(#) $Id: text.test,v 1.29 2004/03/17 18:15:50 das Exp $
+# RCS: @(#) $Id: text.test,v 1.30 2004/06/09 22:39:08 vincentdarley Exp $
 
 package require tcltest 2.1
 eval tcltest::configure $argv
@@ -2563,6 +2563,35 @@ test text-20.172 {TextSearchCmd, regexp search multi-line} {knownBug} {
     # Should match at 1.0 for a true greedy match
 } {1.0}
 
+test text-20.173 {TextSearchCmd, regexp search multi-line} {
+    deleteWindows
+    pack [text .t2]
+    .t2 insert 1.0 "\naaaxxx\nyyy\n"
+    set res {}
+    lappend res [.t2 search -count c -regexp -- {x*\ny*} 2.0] $c
+    lappend res [.t2 search -count c -regexp -- {x*\ny*} 2.1] $c
+    set res
+} {2.3 7 2.3 7}
+
+test text-20.174 {TextSearchCmd, regexp search multi-line} {
+    deleteWindows
+    pack [text .t2]
+    .t2 insert 1.0 "\naaa\n\n\n\n\nxxx\n"
+    set res {}
+    lappend res [.t2 search -count c -regexp -- {\n+} 2.0] $c
+    lappend res [.t2 search -count c -regexp -- {\n+} 2.1] $c
+    set res
+} {2.3 5 2.3 5}
+
+test text-20.175 {TextSearchCmd, regexp search multi-line} {
+    deleteWindows
+    pack [text .t2]
+    .t2 insert 1.0 "\naaa\n\n\t  \n\t\t\t  \n\nxxx\n"
+    set res {}
+    lappend res [.t2 search -count c -regexp -- {(\n+(\t+ *)*)+} 2.0] $c
+    set res
+} {2.3 13}
+
 deleteWindows
 text .t2 -highlightthickness 0 -bd 0 -relief flat -padx 0 -width 100
 pack .t2
-- 
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