Allow computing spans of formula-groups

Includes unit tests for correctness of the new functionality.

Change-Id: I35f7449006d973de006a756664ae468b9a0dcb31
Reviewed-on: https://gerrit.libreoffice.org/66841
Tested-by: Jenkins
Reviewed-by: Dennis Francis <dennis.francis@collabora.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/sc/inc/document.hxx b/sc/inc/document.hxx
index bed8003de16c..ddf92b904a8a 100644
--- a/sc/inc/document.hxx
+++ b/sc/inc/document.hxx
@@ -2430,12 +2430,18 @@ public:
     /**
      * Make sure all of the formula cells in the specified range have been
      * fully calculated.  This method only re-calculates those formula cells
-     * that have been flagged dirty.
+     * that have been flagged dirty. In case of formula-groups, this calculates
+     * only the dirty subspans along with the dependents in the same way
+     * recursively.
      *
-     * @param rRange range in which to potentially calculate the formula
-     *               cells.
+     * @param rRange       range in which to potentially calculate the formula
+     *                     cells.
+     * @param bSkipRunning flag to skip evaluation of formula-cells that are
+     *                     marked as already being evaluated.
+     * @return             true if at least one formula-cell in the specified range was dirty
+     *                     else returns false.
      */
-    void EnsureFormulaCellResults( const ScRange& rRange );
+    SC_DLLPUBLIC bool EnsureFormulaCellResults( const ScRange& rRange, bool bSkipRunning = false );
 
     SvtBroadcaster*         GetBroadcaster( const ScAddress& rPos );
     const SvtBroadcaster*   GetBroadcaster( const ScAddress& rPos ) const;