1/****************************************************************************
2**
3** Copyright (C) 2018 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Charts module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
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16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 or (at your option) any later version
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21** the Free Software Foundation and appearing in the file LICENSE.GPL3
22** included in the packaging of this file. Please review the following
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28****************************************************************************/
29
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt Chart API. It exists purely as an
34// implementation detail. This header file may change from version to
35// version without notice, or even be removed.
36//
37// We mean it.
38
39#ifndef EDITABLEAXISLABEL_P_H
40#define EDITABLEAXISLABEL_P_H
41
42#include <QtCharts/private/qchartglobal_p.h>
43
44#include <QtWidgets/qgraphicsitem.h>
45#include <QtGui/qevent.h>
46#include <QtGui/qtextdocument.h>
47
48QT_CHARTS_BEGIN_NAMESPACE
49
50class Q_CHARTS_PRIVATE_EXPORT EditableAxisLabel : public QGraphicsTextItem
51{
52 Q_OBJECT
53public:
54 EditableAxisLabel(QGraphicsItem *parent = nullptr);
55
56 void focusInEvent(QFocusEvent *event);
57 void focusOutEvent(QFocusEvent *event);
58 bool sceneEvent(QEvent *event);
59 void setEditable(bool editable);
60 void reloadBeforeEditContent();
61
62 QRectF boundingRect() const;
63
64protected:
65 QString m_htmlBeforeEdit;
66 bool m_editing = false;
67 bool m_editable = false;
68
69 virtual void setInitialEditValue() = 0;
70 virtual void finishEditing() = 0;
71 virtual void resetBeforeEditValue() = 0;
72
73 bool isEditEndingKeyPress(QKeyEvent *event);
74};
75
76QT_CHARTS_END_NAMESPACE
77
78#endif // EDITABLEAXISLABEL_P_H
79

source code of qtcharts/src/charts/axis/editableaxislabel_p.h