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diff --git a/src/charts/axis/editableaxislabel_p.h b/src/charts/axis/editableaxislabel_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Charts module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt Chart API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef EDITABLEAXISLABEL_P_H
+#define EDITABLEAXISLABEL_P_H
+
+#include <QtCharts/private/qchartglobal_p.h>
+
+#include <QtWidgets/qgraphicsitem.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qtextdocument.h>
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+class Q_CHARTS_PRIVATE_EXPORT EditableAxisLabel : public QGraphicsTextItem
+{
+    Q_OBJECT
+public:
+    EditableAxisLabel(QGraphicsItem *parent = nullptr);
+
+    void focusInEvent(QFocusEvent *event);
+    void focusOutEvent(QFocusEvent *event);
+    bool sceneEvent(QEvent *event);
+    void setEditable(bool editable);
+    void reloadBeforeEditContent();
+
+    QRectF boundingRect() const;
+
+protected:
+    QString m_htmlBeforeEdit;
+    bool m_editing = false;
+    bool m_editable = false;
+
+    virtual void setInitialEditValue() = 0;
+    virtual void finishEditing() = 0;
+    virtual void resetBeforeEditValue() = 0;
+
+    bool isEditEndingKeyPress(QKeyEvent *event);
+};
+
+QT_CHARTS_END_NAMESPACE
+
+#endif // EDITABLEAXISLABEL_P_H