1 files changed, 73 insertions, 0 deletions
diff --git a/include/svx/sdrundomanager.hxx b/include/svx/sdrundomanager.hxx
new file mode 100644
index 0000000000..9ff23e441c
--- /dev/null
+++ b/include/svx/sdrundomanager.hxx
@@ -0,0 +1,73 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+#ifndef INCLUDED_SVX_SDRUNDOMANAGER_HXX
+#define INCLUDED_SVX_SDRUNDOMANAGER_HXX
+
+#include <svx/svxdllapi.h>
+#include <editeng/editund2.hxx>
+#include <tools/link.hxx>
+
+class SfxObjectShell;
+
+class SVXCORE_DLLPUBLIC SdrUndoManager : public EditUndoManager
+{
+private:
+    using EditUndoManager::Undo;
+    using EditUndoManager::Redo;
+
+    Link<SdrUndoManager*, void> maEndTextEditHdl;
+    SfxUndoAction* mpLastUndoActionBeforeTextEdit;
+    size_t mnRedoActionCountBeforeTextEdit;
+    bool mbEndTextEditTriggeredFromUndo;
+
+    SfxObjectShell* m_pDocSh;
+
+protected:
+    // call to check for TextEdit active
+    bool isTextEditActive() const;
+    virtual void EmptyActionsChanged() override;
+
+public:
+    SdrUndoManager();
+    virtual ~SdrUndoManager() override;
+
+    /// react depending on edit mode and if no more undo is possible
+    virtual bool Undo() override;
+    virtual bool Redo() override;
+
+    // #i123350#
+    virtual void Clear() override;
+
+    // Call for the view which starts the interactive text edit. Use link to
+    // activate (start text edit) and empty link to reset (end text edit). On
+    // reset all text edit actions will be removed from this undo manager to
+    // restore the state before activation
+    void SetEndTextEditHdl(const Link<SdrUndoManager*, void>& rLink);
+
+    // check from outside if we are inside a callback for ending text edit. This
+    // is needed to detect inside end text edit if it is a regular one or triggered
+    // by a last undo during text edit
+    bool isEndTextEditTriggeredFromUndo() const { return mbEndTextEditTriggeredFromUndo; }
+    void SetDocShell(SfxObjectShell* pDocShell);
+    size_t GetRedoActionCountBeforeTextEdit() const { return mnRedoActionCountBeforeTextEdit; }
+};
+
+#endif // INCLUDED_SVX_SDRUNDOMANAGER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */