From 11c69712d36a6e8c0d2234244bc5419a34d3ce70 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9=20P=C3=B6nitz?= <poenitz@gmx.net>
Date: Sat, 14 Aug 2004 21:03:55 +0000
Subject: [PATCH] *** empty log message ***

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8931 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/dociterator.C           | 11 +++++++++++
 src/dociterator.h           |  3 +++
 src/mathed/math_nestinset.C |  2 +-
 src/text3.C                 |  4 ++--
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/dociterator.C b/src/dociterator.C
index e8f4c0012b..2df577b5f4 100644
--- a/src/dociterator.C
+++ b/src/dociterator.C
@@ -410,6 +410,17 @@ void DocIterator::backwardPos()
 }
 
 
+bool DocIterator::hasPart(DocIterator const & it) const
+{
+	// it can't be a part if it is larger
+	if (it.size() > size())
+		return false;
+
+	// as inset adresses are the 'last' level
+	return &it.back().inset() == &operator[](it.size() - 1).inset();
+}
+
+
 std::ostream & operator<<(std::ostream & os, DocIterator const & dit)
 {
 	for (size_t i = 0, n = dit.size(); i != n; ++i)
diff --git a/src/dociterator.h b/src/dociterator.h
index d00add62d4..bb1f12832d 100644
--- a/src/dociterator.h
+++ b/src/dociterator.h
@@ -185,6 +185,9 @@ public:
 	/// move backward one inset
 	void backwardInset();
 
+	/// are we some 'extension' (i.e. deeper nested) of the given iterator
+	bool hasPart(DocIterator const & it) const;
+
 	/// output
 	friend std::ostream &
 	operator<<(std::ostream & os, DocIterator const & cur);
diff --git a/src/mathed/math_nestinset.C b/src/mathed/math_nestinset.C
index 3b82d0e65c..f2986ee752 100644
--- a/src/mathed/math_nestinset.C
+++ b/src/mathed/math_nestinset.C
@@ -927,7 +927,7 @@ void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
 	if (cmd.button() == mouse_button::button1) {
 		LCursor & bvcur = cur.bv().cursor();
 		if (abs(cmd.x - first_x) + abs(cmd.y - first_y) > 4
-        && cur.size() <= bvcur.anchor_.size()) {
+        && bvcur.anchor_.hasPart(cur)) {
 			first_x = cmd.x;
 			first_y = cmd.y;
 
diff --git a/src/text3.C b/src/text3.C
index 3900a13a11..0b230da156 100644
--- a/src/text3.C
+++ b/src/text3.C
@@ -1129,9 +1129,9 @@ void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 
 		// ignore motions deeper nested than the real anchor
 		LCursor & bvcur = cur.bv().cursor();
-		if (bvcur.anchor_.size() < cur.size())
+		if (!bvcur.anchor_.hasPart(cur))
 			break;
-
+ 
 		CursorSlice old = cur.top();
 		setCursorFromCoordinates(cur, cmd.x, cmd.y);
 
-- 
2.39.2