From e035d673ffd941c2c3332fbc3eb09c1d1daca531 Mon Sep 17 00:00:00 2001
From: Asger Ottar Alstrup <alstrup@lyx.org>
Date: Fri, 20 Oct 2006 20:57:21 +0000
Subject: [PATCH] - Dump parpos cache if you use -dbg workarea on command line

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15419 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/BufferView.C |  4 ++++
 src/coordcache.C | 20 ++++++++++++++++++++
 src/coordcache.h |  4 +++-
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/BufferView.C b/src/BufferView.C
index ad86b9f944..26008cacd4 100644
--- a/src/BufferView.C
+++ b/src/BufferView.C
@@ -1365,6 +1365,10 @@ void BufferView::updateMetrics(bool singlepar)
 		<< endl;
 
 	metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);
+
+	if (lyxerr.debugging(Debug::WORKAREA)) {
+		coord_cache_.dump();
+	}
 }
 
 
diff --git a/src/coordcache.C b/src/coordcache.C
index f3647189fb..a7f8a511e2 100644
--- a/src/coordcache.C
+++ b/src/coordcache.C
@@ -49,4 +49,24 @@ Point CoordCache::get(LyXText const * text, lyx::pit_type pit)
 	return posit->second;
 }
 
+void
+CoordCache::dump() const {
+	lyxerr << "ParPosCache contains:" << std::endl;
+	for (ParPosCache::const_iterator i = getParPos().begin(); i != getParPos().end(); ++i) {
+		LyXText const * lt = (*i).first;
+		InnerParPosCache const & cache = (*i).second;
+		lyxerr << "LyXText:" << lt << std::endl;
+		for (InnerParPosCache::const_iterator j = cache.begin(); j != cache.end(); ++j) {
+			pit_type pit = (*j).first;
+			Paragraph const & par = lt->getPar(pit);
+			Point p = (*j).second;
+			lyxerr << "Paragraph " << pit << ": \"";
+			for (int k = 0; k < std::min(10, par.size()); ++k) {
+				lyxerr << lyx::to_utf8(docstring(1,par.getChar(k)));
+			}
+			lyxerr << "\" has point " << p.x_ << "," << p.y_ << std::endl;
+		}
+	}
+}
+
 } // namespace lyx
diff --git a/src/coordcache.h b/src/coordcache.h
index 4423b3459d..1b87794afd 100644
--- a/src/coordcache.h
+++ b/src/coordcache.h
@@ -105,7 +105,7 @@ private:
  * A global cache that allows us to come from a paragraph in a document
  * to a position point on the screen.
  * All points cached in this cache are only valid between subsequent
- * updated. (x,y) == (0,0) is the upper left screen corner, x increases
+ * updates. (x,y) == (0,0) is the upper left screen corner, x increases
  * to the right, y increases downwords.
  * The cache is built in BufferView::updateMetrics which is called
  * from BufferView::Pimpl::update. The individual points are added
@@ -142,6 +142,8 @@ public:
 		return boundary ? slices1_ : slices0_;
 	}
 
+	/// Dump the contents of the cache to lyxerr in debugging form
+	void dump() const;
 private:
 	/// MathArrays
 	CoordCacheBase<MathArray> arrays_;
-- 
2.39.2