sw_redlinehide: add function to create merged paragraph data

Add the data to ParaPortion for now; there is one per SwTextFrame but
there doesn't seem to be anything currently in the layout that exists
once per SwTextNode.

Change-Id: Id86f742f09e5036485690acbe6f831ba9f69c08c

1 files changed, 4 insertions, 2 deletions

diff --git a/sw/source/core/text/itratr.hxx b/sw/source/core/text/itratr.hxx
index 68d3801dc495..fa35a26d7119 100644
--- a/sw/source/core/text/itratr.hxx
+++ b/sw/source/core/text/itratr.hxx
@@ -67,7 +67,7 @@ private:
 protected:
     void Chg( SwTextAttr const *pHt );
     void Rst( SwTextAttr const *pHt );
-    void CtorInitAttrIter( SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame const * pFrame = nullptr );
+    void CtorInitAttrIter(SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame * pFrame = nullptr);
     explicit SwAttrIter(SwTextNode const * pTextNode)
         : m_pViewShell(nullptr)
         , m_pFont(nullptr)
@@ -86,7 +86,9 @@ protected:
         }
 
 public:
-    // Constructor, destructor
+    /// All subclasses of this always have a SwTextFrame passed to the
+    /// constructor, but SwAttrIter itself may be created without a
+    /// SwTextFrame in certain special cases via this ctor here
     SwAttrIter( SwTextNode& rTextNode, SwScriptInfo& rScrInf )
         : m_pViewShell(nullptr), m_pFont(nullptr), m_pHints(nullptr), m_pScriptInfo(nullptr), m_pLastOut(nullptr), m_nChgCnt(0), m_pRedline(nullptr),m_nPropFont(0), m_pTextNode(&rTextNode)
         { CtorInitAttrIter( rTextNode, rScrInf ); }