3 files changed, 16 insertions, 0 deletions
diff --git a/include/LibreOfficeKit/LibreOfficeKit.h b/include/LibreOfficeKit/LibreOfficeKit.h
index c98dd1fed6a8..863e377d6784 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.h
+++ b/include/LibreOfficeKit/LibreOfficeKit.h
@@ -118,6 +118,10 @@ struct _LibreOfficeKitDocumentClass
     char* (*getPartName) (LibreOfficeKitDocument* pThis,
                           int nPart);
 
+    /// @see lok::Document::getPartHash().
+    char* (*getPartHash) (LibreOfficeKitDocument* pThis,
+                          int nPart);
+
     /// @see lok::Document::setPartMode().
     void (*setPartMode) (LibreOfficeKitDocument* pThis,
                          int nMode);
diff --git a/include/LibreOfficeKit/LibreOfficeKit.hxx b/include/LibreOfficeKit/LibreOfficeKit.hxx
index 44e321f25419..3e3a0e1d501a 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.hxx
+++ b/include/LibreOfficeKit/LibreOfficeKit.hxx
@@ -116,6 +116,12 @@ public:
         return mpDoc->pClass->getPartName(mpDoc, nPart);
     }
 
+    /// Get the current part's hash.
+    inline char* getPartHash(int nPart)
+    {
+        return mpDoc->pClass->getPartHash(mpDoc, nPart);
+    }
+
     inline void setPartMode(int nMode)
     {
         mpDoc->pClass->setPartMode(mpDoc, nMode);
diff --git a/include/vcl/ITiledRenderable.hxx b/include/vcl/ITiledRenderable.hxx
index d9cd34720512..9c82ba84cce4 100644
--- a/include/vcl/ITiledRenderable.hxx
+++ b/include/vcl/ITiledRenderable.hxx
@@ -83,6 +83,12 @@ public:
         return OUString("");
     }
 
+    /**
+     * Get the hash of the currently displayed part, i.e. sheet in a spreadsheet
+     * or slide in a presentation.
+     */
+    virtual OUString getPartHash(int nPart) = 0;
+
     /// @see lok::Document::setPartMode().
     virtual void setPartMode(int nPartMode)
     {