From 78f57f623c45c92f4fb2740300b44b9b68c42bcc Mon Sep 17 00:00:00 2001
From: Alexandre Salconi <asalconi@cimeq.qc.ca>
Date: Tue, 29 Sep 2020 16:29:49 -0400
Subject: add variable for the fold lenght

---
 Doxyfile        | 1 +
 src/config.xml  | 7 +++++++
 src/dotnode.cpp | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Doxyfile b/Doxyfile
index 8681c99..dbac3e1 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -328,3 +328,4 @@ DOT_TRANSPARENT        = NO
 DOT_MULTI_TARGETS      = NO
 GENERATE_LEGEND        = YES
 DOT_CLEANUP            = NO
+DOT_MAX_FOLD           = 17
diff --git a/src/config.xml b/src/config.xml
index b3718be..474993b 100644
--- a/src/config.xml
+++ b/src/config.xml
@@ -3661,6 +3661,13 @@ remove the intermediate dot files that are used to generate the various graphs.
 ]]>
       </docs>
     </option>
+    <option type='int' id='DOT_MAX_FOLD' defval='17' minval='0' maxval='1000' depends='HAVE_DOT'>
+      <docs>
+<![CDATA[
+ The \c DOT_MAX_FOLD tag can be used to set the length to fold text of dot graphs.
+]]>
+      </docs>
+    </option>
     <option type='obsolete' id='USE_WINDOWS_ENCODING'/>
     <option type='obsolete' id='DETAILS_AT_TOP'/>
     <option type='obsolete' id='QTHELP_FILE'/>
diff --git a/src/dotnode.cpp b/src/dotnode.cpp
index 84ba130..7d71168 100644
--- a/src/dotnode.cpp
+++ b/src/dotnode.cpp
@@ -187,7 +187,7 @@ QCString DotNode::convertLabel(const QCString &l)
   int len=p.length();
   int charsLeft=len;
   int sinceLast=0;
-  int foldLen=117; // ideal text length
+  int foldLen = Config_getInt(DOT_MAX_FOLD); // ideal text length
   while (idx < p.length())
   {
     c = p[idx++];
-- 
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