From 0006f830184ea30abdd9eb13e79ca2587004a63d Mon Sep 17 00:00:00 2001
From: Dimitri van Heesch <doxygen@gmail.com>
Date: Tue, 20 Oct 2020 16:20:06 +0200
Subject: Some tweaks & fixes

- Changed DOT_MAX_FOLD to DOT_WRAP_THRESHOLD
- Improved documentation
- Applied DOT_WRAP_THRESHOLD to the whole string instead of individual
  parts.
---
 src/config.xml  | 34 ++++++++++++++++++----------------
 src/dotnode.cpp | 26 ++++++++++++++------------
 2 files changed, 32 insertions(+), 28 deletions(-)

diff --git a/src/config.xml b/src/config.xml
index b90e243..b080bec 100644
--- a/src/config.xml
+++ b/src/config.xml
@@ -3419,7 +3419,7 @@ to be found in the default search path.
 ]]>
       </docs>
     </option>
-    <option type='int' id='UML_LIMIT_NUM_FIELDS' defval='10' minval='0' maxval='100' depends='HAVE_DOT'>
+    <option type='int' id='UML_LIMIT_NUM_FIELDS' defval='10' minval='0' maxval='100' depends='UML_LOOK'>
       <docs>
 <![CDATA[
  If the \ref cfg_uml_look "UML_LOOK" tag is enabled, the fields and methods are shown inside
@@ -3433,6 +3433,23 @@ to be found in the default search path.
 ]]>
       </docs>
     </option>
+    <option type='bool' id='DOT_UML_DETAILS' defval='0' depends='UML_LOOK'>
+      <docs>
+<![CDATA[
+If the \c DOT_UML_DETAILS tag is set to \c YES, doxygen will
+add type and arguments for attributes and methods in the UML graphs.
+]]>
+      </docs>
+    </option>
+    <option type='int' id='DOT_WRAP_THRESHOLD' defval='17' minval='0' maxval='1000' depends='HAVE_DOT'>
+      <docs>
+<![CDATA[
+ The \c DOT_WRAP_THRESHOLD tag can be used to set the maximum number of characters to display on
+ a single line. If the actual line length exceeds this threshold significantly it will wrapped
+ across multiple lines. Some heuristics are apply to avoid ugly line breaks.
+]]>
+      </docs>
+    </option>
     <option type='bool' id='TEMPLATE_RELATIONS' defval='0' depends='HAVE_DOT'>
       <docs>
 <![CDATA[
@@ -3671,21 +3688,6 @@ 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='bool' id='DOT_UML_DETAILS' defval='0' depends='HAVE_DOT'>
-      <docs>
-<![CDATA[
-If the \c DOT_UML_DETAILS tag is set to \c YES, doxygen will
-add details in the uml 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 89fe9a7..8ce1bb3 100644
--- a/src/dotnode.cpp
+++ b/src/dotnode.cpp
@@ -148,23 +148,25 @@ static void writeBoxMemberList(FTextStream &t,
         else
         {
           t << prot << " ";
+          QCString label;
           if(Config_getBool(DOT_UML_DETAILS))
           {
-              t << DotNode::convertLabel(mma->typeString());
-              t << " ";
+            label+=mma->typeString();
+            label+=" ";
           }
-          t << DotNode::convertLabel(mma->name());
+          label+=mma->name();
           if (!mma->isObjCMethod() && (mma->isFunction() || mma->isSlot() || mma->isSignal()))
           {
-              if(Config_getBool(DOT_UML_DETAILS))
-              {
-                  t << DotNode::convertLabel(mma->argsString());
-              }
-              else
-              {
-                  t << "()";
-              }
+            if(Config_getBool(DOT_UML_DETAILS))
+            {
+              label+=mma->argsString();
+            }
+            else
+            {
+              label+="()";
+            }
           }
+          t << DotNode::convertLabel(label);
           t << "\\l";
           count++;
         }
@@ -199,7 +201,7 @@ QCString DotNode::convertLabel(const QCString &l)
   int len=p.length();
   int charsLeft=len;
   int sinceLast=0;
-  int foldLen = Config_getInt(DOT_MAX_FOLD); // ideal text length
+  int foldLen = Config_getInt(DOT_WRAP_THRESHOLD); // ideal text length
   while (idx < p.length())
   {
     c = p[idx++];
-- 
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