Differentiate shared and non-shared formula cells when registering.

For now this is just for a pure redirection, but later we'll use this
to do a different area listening registration for grouped formula cells.

Change-Id: I8e68bb53c3e96821175ae562ef36ec5e800c8688

1 files changed, 13 insertions, 0 deletions

diff --git a/sc/source/core/tool/sharedformula.cxx b/sc/source/core/tool/sharedformula.cxx
index 6f6636557915..65d91a73d7dc 100644
--- a/sc/source/core/tool/sharedformula.cxx
+++ b/sc/source/core/tool/sharedformula.cxx
@@ -326,6 +326,19 @@ void SharedFormulaUtil::unshareFormulaCells(CellStoreType& rCells, std::vector<S
     splitFormulaCellGroups(rCells, aRows2);
 }
 
+void SharedFormulaUtil::startListeningAsGroup( sc::StartListeningContext& rCxt, ScFormulaCell** ppSharedTop )
+{
+    assert((**ppSharedTop).IsSharedTop());
+
+    ScFormulaCell** pp = ppSharedTop;
+    ScFormulaCell** ppEnd = ppSharedTop + (**ppSharedTop).GetSharedLength();
+    for (; pp != ppEnd; ++pp)
+    {
+        ScFormulaCell& rFC = **pp;
+        rFC.StartListeningTo(rCxt);
+    }
+}
+
 }
 
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