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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCharts/QBarLegendMarker>
#include <private/qbarlegendmarker_p.h>
#include <QtCharts/QAbstractBarSeries>
#include <QtCharts/QBarSet>
QT_BEGIN_NAMESPACE
/*!
\class QBarLegendMarker
\inmodule QtCharts
\brief The QBarLegendMarker class is a legend marker for a bar series.
A bar legend marker is related to QAbstractBarSeries derived classes. With a bar series,
each marker is related to one QBarSet.
\sa QLegend, QAbstractBarSeries, QBarSet
*/
/*!
\fn virtual LegendMarkerType QBarLegendMarker::type()
\reimp
*/
/*!
\internal
Constructor
*/
QBarLegendMarker::QBarLegendMarker(QAbstractBarSeries *series, QBarSet *barset, QLegend *legend, QObject *parent) :
QLegendMarker(*new QBarLegendMarkerPrivate(this,series,barset,legend), parent)
{
d_ptr->updated();
}
/*!
Removes the legend marker for a bar set.
*/
QBarLegendMarker::~QBarLegendMarker()
{
}
/*!
\internal
*/
QBarLegendMarker::QBarLegendMarker(QBarLegendMarkerPrivate &d, QObject *parent) :
QLegendMarker(d, parent)
{
}
/*!
\reimp
*/
QAbstractBarSeries *QBarLegendMarker::series()
{
Q_D(QBarLegendMarker);
return d->m_series;
}
/*!
Returns the bar set related to the marker.
*/
QBarSet* QBarLegendMarker::barset()
{
Q_D(QBarLegendMarker);
return d->m_barset;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QBarLegendMarkerPrivate::QBarLegendMarkerPrivate(QBarLegendMarker *q, QAbstractBarSeries *series, QBarSet *barset, QLegend *legend) :
QLegendMarkerPrivate(q,legend),
q_ptr(q),
m_series(series),
m_barset(barset)
{
QObject::connect(m_barset, SIGNAL(penChanged()), this, SLOT(updated()));
QObject::connect(m_barset, SIGNAL(labelChanged()), this, SLOT(updated()));
QObject::connect(m_barset, SIGNAL(brushChanged()), this, SLOT(updated()));
}
QBarLegendMarkerPrivate::~QBarLegendMarkerPrivate()
{
}
QAbstractBarSeries* QBarLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QBarLegendMarkerPrivate::relatedObject()
{
return m_barset;
}
void QBarLegendMarkerPrivate::updated()
{
bool labelChanged = false;
bool brushChanged = false;
bool penChanged = false;
if (!m_customPen && (m_item->pen() != m_barset->pen())) {
m_item->setPen(m_barset->pen());
penChanged = true;
}
if (!m_customBrush && (m_item->brush() != m_barset->brush())) {
m_item->setBrush(m_barset->brush());
brushChanged = true;
}
if (!m_customLabel && (m_item->label() != m_barset->label())) {
m_item->setLabel(m_barset->label());
labelChanged = true;
}
invalidateLegend();
if (labelChanged)
emit q_ptr->labelChanged();
if (brushChanged)
emit q_ptr->brushChanged();
if (penChanged)
emit q_ptr->penChanged();
}
QT_END_NAMESPACE
#include "moc_qbarlegendmarker.cpp"
#include "moc_qbarlegendmarker_p.cpp"
|
