From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Tue, 21 Feb 2017 05:50:48 +0000 (+0100)
Subject: Move comment
X-Git-Tag: 2.3.0alpha1~344
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=5211ca52cac2ad7a6669d15c39f2cee172d18323;p=features.git

Move comment

It is slightly more useful here.
---

diff --git a/src/frontends/qt4/GuiFontMetrics.cpp b/src/frontends/qt4/GuiFontMetrics.cpp
index 31c45481ae..33df3cf126 100644
--- a/src/frontends/qt4/GuiFontMetrics.cpp
+++ b/src/frontends/qt4/GuiFontMetrics.cpp
@@ -51,6 +51,13 @@ namespace lyx {
 namespace frontend {
 
 
+/*
+ * Limit (strwidth|breakat)_cache_ size to 512kB of string data.
+ * Limit qtextlayout_cache_ size to 500 elements (we do not know the
+ * size of the QTextLayout objects anyway).
+ * Note that all these numbers are arbitrary.
+ * Also, setting size to 0 is tantamount to disabling the cache.
+ */
 int cache_metrics_width_size = 1 << 19;
 int cache_metrics_breakat_size = 1 << 19;
 // Qt 5.x already has its own caching of QTextLayout objects
@@ -83,12 +90,6 @@ inline QChar const ucs4_to_qchar(char_type const ucs4)
 } // anon namespace
 
 
-/*
- * Limit (strwidth|breakat)_cache_ size to 512kB of string data.
- * Limit qtextlayout_cache_ size to 500 elements (we do not know the
- * size of the QTextLayout objects anyway).
- * Note that all these numbers are arbitrary.
- */
 GuiFontMetrics::GuiFontMetrics(QFont const & font)
 	: font_(font), metrics_(font, 0),
 	  strwidth_cache_(cache_metrics_width_size),