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3** Copyright (C) 2016 The Qt Company Ltd.
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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 CARTESIANCHARTAXIS_H
40#define CARTESIANCHARTAXIS_H
41
42#include <QtCharts/QChartGlobal>
43#include <private/chartaxiselement_p.h>
44#include <QtCharts/private/qchartglobal_p.h>
45
46QT_CHARTS_BEGIN_NAMESPACE
47
48class QAbstractAxis;
49
50class Q_CHARTS_PRIVATE_EXPORT CartesianChartAxis : public ChartAxisElement
51{
52 Q_OBJECT
53 Q_INTERFACES(QGraphicsLayoutItem)
54public:
55
56 CartesianChartAxis(QAbstractAxis *axis, QGraphicsItem *item = 0, bool intervalAxis = false);
57 ~CartesianChartAxis();
58
59 void setGeometry(const QRectF &axis, const QRectF &grid);
60 QRectF gridGeometry() const { return m_gridRect; }
61 bool isEmpty();
62
63 virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
64
65 void setDateTimeLabelsFormat(const QString &format);
66
67protected:
68 void setGeometry(const QRectF &size) { Q_UNUSED(size);}
69 virtual void updateGeometry() = 0;
70 void updateLayout(QVector<qreal> &layout);
71
72public Q_SLOTS:
73 virtual void handleArrowPenChanged(const QPen &pen);
74 virtual void handleGridPenChanged(const QPen &pen);
75 virtual void handleShadesBrushChanged(const QBrush &brush);
76 virtual void handleShadesPenChanged(const QPen &pen);
77 virtual void handleMinorArrowPenChanged(const QPen &pen);
78 virtual void handleMinorGridPenChanged(const QPen &pen);
79 virtual void handleGridLineColorChanged(const QColor &color);
80 virtual void handleMinorGridLineColorChanged(const QColor &color);
81
82protected:
83 void updateLabelsValues(QValueAxis *axis);
84 void updateLabelsDateTimes();
85
86private:
87 void createItems(int count);
88 void deleteItems(int count);
89 void updateMinorTickItems();
90
91private:
92 QRectF m_gridRect;
93
94 friend class AxisAnimation;
95 friend class LineArrowItem;
96};
97
98QT_CHARTS_END_NAMESPACE
99
100#endif /* CARTESIANCHARTAXIS_H */
101

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