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diff --git a/sd/source/ui/sidebar/PreviewValueSet.hxx b/sd/source/ui/sidebar/PreviewValueSet.hxx
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+++ b/sd/source/ui/sidebar/PreviewValueSet.hxx
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+/**************************************************************
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ *************************************************************/
+
+#ifndef SD_SIDEBAR_PANELS_PREVIEW_VALUE_SET_HXX
+#define SD_SIDEBAR_PANELS_PREVIEW_VALUE_SET_HXX
+
+#include <svtools/valueset.hxx>
+
+
+namespace sd { namespace sidebar {
+
+
+/** Adapt the svtools valueset to the needs of the master page controlls.
+*/
+class PreviewValueSet
+    : public ValueSet
+{
+public:
+    PreviewValueSet (::Window* pParent);
+    ~PreviewValueSet (void);
+
+    void SetRightMouseClickHandler (const Link& rLink);
+    virtual void Resize (void);
+
+    void SetPreviewSize (const Size& rSize);
+
+    sal_Int32 GetPreferredWidth (sal_Int32 nHeight);
+    sal_Int32 GetPreferredHeight (sal_Int32 nWidth);
+
+    /** Set the number of rows and columns according to the current number
+        of items.  Call this method when new items have been inserted.
+    */
+    void Rearrange (bool bForceRequestResize = false);
+
+protected:
+    virtual void MouseButtonDown (const MouseEvent& rEvent);
+
+private:
+    Link maRightMouseClickHandler;
+    Size maPreviewSize;
+    const int mnBorderWidth;
+    const int mnBorderHeight;
+    const int mnMaxColumnCount;
+
+    sal_uInt16 CalculateColumnCount (int nWidth) const;
+    sal_uInt16 CalculateRowCount (sal_uInt16 nColumnCount) const;
+};
+
+} } // end of namespace sd::sidebar
+
+#endif