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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "declarativepieseries_p.h"
#include <QtCharts/QPieSlice>
#include <QtCharts/QVPieModelMapper>
#include <QtCharts/QHPieModelMapper>
QT_CHARTS_BEGIN_NAMESPACE
DeclarativePieSlice::DeclarativePieSlice(QObject *parent)
: QPieSlice(parent)
{
connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
}
QString DeclarativePieSlice::brushFilename() const
{
return m_brushFilename;
}
void DeclarativePieSlice::setBrushFilename(const QString &brushFilename)
{
QImage brushImage(brushFilename);
if (QPieSlice::brush().textureImage() != brushImage) {
QBrush brush = QPieSlice::brush();
brush.setTextureImage(brushImage);
QPieSlice::setBrush(brush);
m_brushFilename = brushFilename;
m_brushImage = brushImage;
emit brushFilenameChanged(brushFilename);
}
}
void DeclarativePieSlice::handleBrushChanged()
{
// If the texture image of the brush has changed along the brush
// the brush file name needs to be cleared.
if (!m_brushFilename.isEmpty() && QPieSlice::brush().textureImage() != m_brushImage) {
m_brushFilename.clear();
emit brushFilenameChanged(QString(""));
}
}
// Declarative pie series =========================================================================
DeclarativePieSeries::DeclarativePieSeries(QQuickItem *parent) :
QPieSeries(parent)
{
connect(this, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleAdded(QList<QPieSlice*>)));
connect(this, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleRemoved(QList<QPieSlice*>)));
}
void DeclarativePieSeries::classBegin()
{
}
void DeclarativePieSeries::componentComplete()
{
foreach (QObject *child, children()) {
if (qobject_cast<QPieSlice *>(child)) {
QPieSeries::append(qobject_cast<QPieSlice *>(child));
} else if (qobject_cast<QVPieModelMapper *>(child)) {
QVPieModelMapper *mapper = qobject_cast<QVPieModelMapper *>(child);
mapper->setSeries(this);
} else if (qobject_cast<QHPieModelMapper *>(child)) {
QHPieModelMapper *mapper = qobject_cast<QHPieModelMapper *>(child);
mapper->setSeries(this);
}
}
}
QQmlListProperty<QObject> DeclarativePieSeries::seriesChildren()
{
return QQmlListProperty<QObject>(this, 0, &DeclarativePieSeries::appendSeriesChildren ,0,0,0);
}
void DeclarativePieSeries::appendSeriesChildren(QQmlListProperty<QObject> * list, QObject *element)
{
// Empty implementation; the children are parsed in componentComplete instead
Q_UNUSED(list);
Q_UNUSED(element);
}
QPieSlice *DeclarativePieSeries::at(int index)
{
QList<QPieSlice *> sliceList = slices();
if (index >= 0 && index < sliceList.count())
return sliceList[index];
return 0;
}
QPieSlice *DeclarativePieSeries::find(QString label)
{
foreach (QPieSlice *slice, slices()) {
if (slice->label() == label)
return slice;
}
return 0;
}
DeclarativePieSlice *DeclarativePieSeries::append(QString label, qreal value)
{
DeclarativePieSlice *slice = new DeclarativePieSlice(this);
slice->setLabel(label);
slice->setValue(value);
if (QPieSeries::append(slice))
return slice;
delete slice;
return 0;
}
bool DeclarativePieSeries::remove(QPieSlice *slice)
{
return QPieSeries::remove(slice);
}
void DeclarativePieSeries::clear()
{
QPieSeries::clear();
}
void DeclarativePieSeries::handleAdded(QList<QPieSlice *> slices)
{
foreach (QPieSlice *slice, slices)
emit sliceAdded(slice);
}
void DeclarativePieSeries::handleRemoved(QList<QPieSlice *> slices)
{
foreach (QPieSlice *slice, slices)
emit sliceRemoved(slice);
}
#include "moc_declarativepieseries_p.cpp"
QT_CHARTS_END_NAMESPACE
|
