1 files changed, 47 insertions, 0 deletions
diff --git a/sc/source/ui/inc/undomanager.hxx b/sc/source/ui/inc/undomanager.hxx
new file mode 100644
index 0000000000..03168dfab9
--- /dev/null
+++ b/sc/source/ui/inc/undomanager.hxx
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+#pragma once
+
+#include <svx/sdrundomanager.hxx>
+
+class SfxViewShell;
+class ScSimpleUndo;
+
+class SC_DLLPUBLIC ScUndoManager : public SdrUndoManager
+{
+public:
+    ~ScUndoManager();
+
+    /**
+     * Checks if the topmost undo action owned by pView is independent from the topmost action undo
+     * action. Sets rOffset to the offset of that independent undo action on success.
+     */
+    bool IsViewUndoActionIndependent(const SfxViewShell* pView, sal_uInt16& rOffset) const;
+
+    /// Make these public
+    using SdrUndoManager::UndoWithContext;
+    using SdrUndoManager::RedoWithContext;
+
+private:
+    static std::optional<ScRange> getAffectedRangeFromUndo(const SfxUndoAction*);
+    static const ScSimpleUndo* getScSimpleUndo(const SfxUndoAction*);
+};
+
+class ScUndoRedoContext final : public SfxUndoContext
+{
+public:
+    void SetUndoOffset(size_t nUndoOffset) { m_nUndoOffset = nUndoOffset; }
+
+    size_t GetUndoOffset() override { return m_nUndoOffset; }
+
+private:
+    size_t m_nUndoOffset = 0;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */