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29
30#include "pentool.h"
31#include <QtWidgets/QPushButton>
32#include <QtWidgets/QDoubleSpinBox>
33#include <QtWidgets/QComboBox>
34#include <QtWidgets/QFormLayout>
35#include <QtWidgets/QColorDialog>
36
37PenTool::PenTool(QString title, QWidget *parent)
38 : QWidget(parent)
39{
40 setWindowTitle(title);
41 setWindowFlags(Qt::Tool);
42
43 m_colorButton = new QPushButton();
44
45 m_widthSpinBox = new QDoubleSpinBox();
46
47 m_styleCombo = new QComboBox();
48 m_styleCombo->addItem(atext: "NoPen");
49 m_styleCombo->addItem(atext: "SolidLine");
50 m_styleCombo->addItem(atext: "DashLine");
51 m_styleCombo->addItem(atext: "DotLine");
52 m_styleCombo->addItem(atext: "DashDotLine");
53 m_styleCombo->addItem(atext: "DashDotDotLine");
54
55 m_capStyleCombo = new QComboBox();
56 m_capStyleCombo->addItem(atext: "FlatCap", auserData: Qt::FlatCap);
57 m_capStyleCombo->addItem(atext: "SquareCap", auserData: Qt::SquareCap);
58 m_capStyleCombo->addItem(atext: "RoundCap", auserData: Qt::RoundCap);
59
60 m_joinStyleCombo = new QComboBox();
61 m_joinStyleCombo->addItem(atext: "MiterJoin", auserData: Qt::MiterJoin);
62 m_joinStyleCombo->addItem(atext: "BevelJoin", auserData: Qt::BevelJoin);
63 m_joinStyleCombo->addItem(atext: "RoundJoin", auserData: Qt::RoundJoin);
64 m_joinStyleCombo->addItem(atext: "SvgMiterJoin", auserData: Qt::SvgMiterJoin);
65
66 QFormLayout *layout = new QFormLayout();
67 layout->addRow(labelText: "Color", field: m_colorButton);
68 layout->addRow(labelText: "Width", field: m_widthSpinBox);
69 layout->addRow(labelText: "Style", field: m_styleCombo);
70 layout->addRow(labelText: "Cap style", field: m_capStyleCombo);
71 layout->addRow(labelText: "Join style", field: m_joinStyleCombo);
72 setLayout(layout);
73
74 // Use old style connect on some signals because the signal is overloaded
75 connect(sender: m_colorButton, signal: &QPushButton::clicked, receiver: this, slot: &PenTool::showColorDialog);
76 connect(sender: m_widthSpinBox,
77 signal: static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged),
78 receiver: this, slot: &PenTool::updateWidth);
79 connect(sender: m_styleCombo,
80 signal: static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
81 receiver: this, slot: &PenTool::updateStyle);
82 connect(sender: m_capStyleCombo,
83 signal: static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
84 receiver: this, slot: &PenTool::updateCapStyle);
85 connect(sender: m_joinStyleCombo,
86 signal: static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
87 receiver: this, slot: &PenTool::updateJoinStyle);
88}
89
90void PenTool::setPen(const QPen &pen)
91{
92 m_pen = pen;
93 m_colorButton->setText(m_pen.color().name());
94 m_widthSpinBox->setValue(m_pen.widthF());
95 m_styleCombo->setCurrentIndex(m_pen.style()); // index matches the enum
96 m_capStyleCombo->setCurrentIndex(m_capStyleCombo->findData(data: m_pen.capStyle()));
97 m_joinStyleCombo->setCurrentIndex(m_joinStyleCombo->findData(data: m_pen.joinStyle()));
98}
99
100QPen PenTool::pen() const
101{
102 return m_pen;
103}
104
105QString PenTool::name()
106{
107 return name(pen: m_pen);
108}
109
110QString PenTool::name(const QPen &pen)
111{
112 return pen.color().name() + ":" + QString::number(pen.widthF());
113}
114
115void PenTool::showColorDialog()
116{
117 QColorDialog dialog(m_pen.color());
118 dialog.show();
119 dialog.exec();
120 m_pen.setColor(dialog.selectedColor());
121 m_colorButton->setText(m_pen.color().name());
122 emit changed();
123}
124
125void PenTool::updateWidth(double width)
126{
127 if (!qFuzzyCompare(p1: (qreal) width, p2: m_pen.widthF())) {
128 m_pen.setWidthF(width);
129 emit changed();
130 }
131}
132
133void PenTool::updateStyle(int style)
134{
135 if (m_pen.style() != style) {
136 m_pen.setStyle((Qt::PenStyle) style);
137 emit changed();
138 }
139}
140
141void PenTool::updateCapStyle(int index)
142{
143 Qt::PenCapStyle capStyle = (Qt::PenCapStyle) m_capStyleCombo->itemData(index).toInt();
144 if (m_pen.capStyle() != capStyle) {
145 m_pen.setCapStyle(capStyle);
146 emit changed();
147 }
148}
149
150void PenTool::updateJoinStyle(int index)
151{
152 Qt::PenJoinStyle joinStyle = (Qt::PenJoinStyle) m_joinStyleCombo->itemData(index).toInt();
153 if (m_pen.joinStyle() != joinStyle) {
154 m_pen.setJoinStyle(joinStyle);
155 emit changed();
156 }
157}
158
159#include "moc_pentool.cpp"
160

source code of qtcharts/examples/charts/piechartcustomization/pentool.cpp