From 249e6b7ac0578d4ac03c085ba67a1d75af9980e2 Mon Sep 17 00:00:00 2001
From: Stefan Schimanski <sts@lyx.org>
Date: Tue, 26 Feb 2008 19:20:12 +0000
Subject: [PATCH] * update the words of a paragraph when the cursor leaves.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23260 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Cursor.cpp           |  9 +++++++++
 src/Paragraph.cpp        |  1 +
 src/insets/InsetText.cpp | 19 +++++++++++++++++++
 src/insets/InsetText.h   |  2 ++
 4 files changed, 31 insertions(+)

diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index ef62fea621..531b7bc0bf 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -1772,6 +1772,15 @@ bool notifyCursorLeaves(Cursor const & old, Cursor & cur)
 		if (&old[i].inset() != &cur[i].inset())
 			break;
 	}
+
+	// update words if we just moved to another paragraph
+	if (i == old.depth() && i == cur.depth()
+	    && !cur.buffer().isClean()
+	    && cur.inTexted() && old.inTexted()
+	    && cur.pit() != old.pit()) {
+		old.paragraph().updateWords(old.buffer(), old.top());
+		return false;
+	}
 	
 	// notify everything on top of the common part in old cursor,
 	// but stop if the inset claims the cursor to be invalid now
diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index da573acbd1..2477165ded 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -2746,6 +2746,7 @@ void Paragraph::registerWords()
 
 void Paragraph::updateWords(Buffer const & buf, CursorSlice const & sl)
 {
+	BOOST_ASSERT(&sl.paragraph() == this);
 	deregisterWords();
 	collectWords(buf, sl);
 	registerWords();
diff --git a/src/insets/InsetText.cpp b/src/insets/InsetText.cpp
index b6062d3500..ddd333d6a0 100644
--- a/src/insets/InsetText.cpp
+++ b/src/insets/InsetText.cpp
@@ -474,6 +474,25 @@ void InsetText::updateLabels(Buffer const & buf, ParIterator const & it)
 }
 
 
+bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
+{
+	if (cur.buffer().isClean())
+		return Inset::notifyCursorLeaves(old, cur);
+	
+	// find text inset in old cursor
+	Cursor insetCur = old;
+	int scriptSlice	= insetCur.find(this);
+	BOOST_ASSERT(scriptSlice != -1);
+	insetCur.cutOff(scriptSlice);
+	BOOST_ASSERT(&insetCur.inset() == this);
+	
+	// update the old paragraph's words
+	insetCur.paragraph().updateWords(insetCur.buffer(), insetCur.top());
+	
+	return Inset::notifyCursorLeaves(old, cur);
+}
+
+
 bool InsetText::completionSupported(Cursor const & cur) const
 {
 	Cursor const & bvCur = cur.bv().cursor();
diff --git a/src/insets/InsetText.h b/src/insets/InsetText.h
index d88752a438..5f75ce35c3 100644
--- a/src/insets/InsetText.h
+++ b/src/insets/InsetText.h
@@ -137,6 +137,8 @@ public:
 	virtual void updateLabels(Buffer const &, ParIterator const &);
 	///
 	virtual Inset * clone() const;
+	///
+	virtual bool notifyCursorLeaves(Cursor const & old, Cursor & cur);
 
 	///
 	bool completionSupported(Cursor const &) const;