1 files changed, 69 insertions, 0 deletions
diff --git a/sc/inc/listenerquery.hxx b/sc/inc/listenerquery.hxx
new file mode 100644
index 000000000..095e65f76
--- /dev/null
+++ b/sc/inc/listenerquery.hxx
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef SC_LISTENERQUERY_HXX
+#define SC_LISTENERQUERY_HXX
+
+#include "address.hxx"
+#include "rangelst.hxx"
+#include <svl/listener.hxx>
+
+#include <unordered_map>
+#include <vector>
+
+namespace sc
+{
+/**
+ * Used to collect positions of formula cells that belong to a formula
+ * group.
+ */
+class RefQueryFormulaGroup final : public SvtListener::QueryBase
+{
+public:
+    typedef std::vector<SCROW> ColType;
+    typedef std::unordered_map<SCCOL, ColType> ColsType;
+    typedef std::unordered_map<SCTAB, ColsType> TabsType;
+
+    RefQueryFormulaGroup();
+    virtual ~RefQueryFormulaGroup() override;
+
+    void setSkipRange(const ScRange& rRange);
+    void add(const ScAddress& rPos);
+
+    /**
+     * Row positions in each column may contain duplicates.  Caller must
+     * remove duplicates if necessary.
+     */
+    const TabsType& getAllPositions() const;
+
+private:
+    ScRange maSkipRange;
+    TabsType maTabs;
+};
+
+class QueryRange final : public SvtListener::QueryBase
+{
+    ScRangeList maRanges;
+
+    QueryRange(const QueryRange&) = delete;
+    QueryRange& operator=(const QueryRange&) = delete;
+
+public:
+    QueryRange();
+    virtual ~QueryRange() override;
+
+    void add(const ScRange& rRange);
+
+    void swapRanges(ScRangeList& rRanges);
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */