From: Martin Vermeer <martin.vermeer@hut.fi>
Date: Sat, 2 Apr 2005 14:19:31 +0000 (+0000)
Subject: Fix math cursor positioning bug
X-Git-Tag: 1.6.10~14434
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=3a9e688b73e41a63da7328512c046ebb37b3d803;p=features.git

Fix math cursor positioning bug


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9770 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/ChangeLog b/src/mathed/ChangeLog
index 5c1436b83a..6fe71f8764 100644
--- a/src/mathed/ChangeLog
+++ b/src/mathed/ChangeLog
@@ -1,3 +1,7 @@
+2005-04-02  Martin Vermeer  <martin.vermeer@hut.fi>
+
+	* math_data.C (x2pos): fix math cursor positioning bug
+
 2005-03-27  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
 
 	* math_amsarrayinset.[Ch] (validate): new, require amsmath
diff --git a/src/mathed/math_data.C b/src/mathed/math_data.C
index 913eeef60f..b26a119a08 100644
--- a/src/mathed/math_data.C
+++ b/src/mathed/math_data.C
@@ -380,8 +380,16 @@ MathArray::size_type MathArray::x2pos(int targetx, int glue) const
 			currx += glue;
 		currx += (*it)->width();
 	}
+
 	if (abs(lastx - targetx) < abs(currx - targetx) && it != begin())
 		--it;
+	// The below code guarantees that in this slice, the cursor will 
+	// never be on the right edge of an inset after a mouse click.
+	if (it != begin())
+		--it;
+	if (it < end() && (*it)->getChar())
+		++it;
+		
 	return it - begin();
 }