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3** Copyright (C) 2016 The Qt Company Ltd.
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6** This file is part of the Qt Charts module of the Qt Toolkit.
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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 CHARTLOGVALUEAXISY_H
40#define CHARTLOGVALUEAXISY_H
41
42#include <private/verticalaxis_p.h>
43#include <QtCharts/private/qchartglobal_p.h>
44
45QT_CHARTS_BEGIN_NAMESPACE
46
47class QLogValueAxis;
48
49class Q_CHARTS_PRIVATE_EXPORT ChartLogValueAxisY : public VerticalAxis
50{
51 Q_OBJECT
52
53public:
54 ChartLogValueAxisY(QLogValueAxis *axis, QGraphicsItem *item);
55 ~ChartLogValueAxisY();
56
57 QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const;
58
59protected:
60 QVector<qreal> calculateLayout() const;
61 void updateGeometry();
62
63private Q_SLOTS:
64 void handleBaseChanged(qreal base);
65 void handleLabelFormatChanged(const QString &format);
66
67private:
68 QLogValueAxis *m_axis;
69};
70
71QT_CHARTS_END_NAMESPACE
72
73#endif /* CHARTLOGVALUEAXISY_H */
74

source code of qtcharts/src/charts/axis/logvalueaxis/chartlogvalueaxisy_p.h