1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
// 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 ABSTRACTCHARTLAYOUT_H
#define ABSTRACTCHARTLAYOUT_H
#include <QtWidgets/QGraphicsLayout>
#include <QtCore/QMargins>
#include <QtCharts/QChartGlobal>
#include <QtCharts/private/qchartglobal_p.h>
QT_CHARTS_BEGIN_NAMESPACE
class ChartTitle;
class ChartAxisElement;
class ChartPresenter;
class QLegend;
class ChartBackground;
class Q_CHARTS_PRIVATE_EXPORT AbstractChartLayout : public QGraphicsLayout
{
public:
AbstractChartLayout(ChartPresenter *presenter);
virtual ~AbstractChartLayout();
virtual void setMargins(const QMargins &margins);
virtual QMargins margins() const;
virtual void setGeometry(const QRectF &rect);
protected:
virtual QRectF calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background,
bool update = true) const;
virtual QRectF calculateBackgroundMinimum(const QRectF &minimum) const;
virtual QRectF calculateContentGeometry(const QRectF &geometry) const;
virtual QRectF calculateContentMinimum(const QRectF &minimum) const;
virtual QRectF calculateTitleGeometry(const QRectF &geometry, ChartTitle *title,
bool update = true) const;
virtual QRectF calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const;
virtual QRectF calculateLegendGeometry(const QRectF &geometry, QLegend *legend,
bool update = true) const;
virtual QRectF calculateLegendMinimum(const QRectF &minimum, QLegend *legend) const;
virtual QRectF calculateAxisGeometry(const QRectF &geometry,
const QList<ChartAxisElement *>& axes,
bool update = true) const = 0;
virtual QRectF calculateAxisMinimum(const QRectF &minimum,
const QList<ChartAxisElement *>& axes) const = 0;
// from QGraphicsLayout
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
int count() const { return 0; }
QGraphicsLayoutItem *itemAt(int) const { return 0; };
void removeAt(int) {};
ChartPresenter *m_presenter;
QMargins m_margins;
QRectF m_minAxisRect;
};
QT_CHARTS_END_NAMESPACE
#endif // ABSTRACTCHARTLAYOUT_H
|
