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Clone from http://code.qt.io/qt/qtcharts.git

Merge branch 'master' of https://git.it.local/repos/QtCommercialDevel-13049/charts
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r66:f1cd31b8c179 merge
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@@ -18,12 +18,14
18 QTCOMMERCIALCHART_BEGIN_NAMESPACE
18 QTCOMMERCIALCHART_BEGIN_NAMESPACE
19
19
20 QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent),
20 QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent),
21 m_axisX(new Axis(this)),
21 m_axisX(new Axis(this)),
22 m_axisY(new Axis(this)),
22 m_axisY(new Axis(this)),
23 m_grid(new XYGrid(this)),
23 m_grid(new XYGrid(this)),
24 m_plotDataIndex(0),
24 m_plotDataIndex(0),
25 m_marginSize(0)
25 m_marginSize(0)
26 {
26 {
27 // TODO: the default theme?
28 setTheme(QChart::ChartThemeVanilla);
27 // setFlags(QGraphicsItem::ItemClipsChildrenToShape);
29 // setFlags(QGraphicsItem::ItemClipsChildrenToShape);
28 // set axis
30 // set axis
29 m_axisY->rotate(90);
31 m_axisY->rotate(90);
@@ -47,6 +49,9 void QChart::addSeries(QChartSeries* series)
47 case QChartSeries::SeriesTypeLine: {
49 case QChartSeries::SeriesTypeLine: {
48
50
49 QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
51 QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
52 // Use color defined by theme in case the series does not define a custom color
53 if (!xyseries->color().isValid() && m_themeColors.count())
54 xyseries->setColor(m_themeColors.takeFirst());
50
55
51 XYPlotDomain domain;
56 XYPlotDomain domain;
52 //TODO "nice numbers algorithm"
57 //TODO "nice numbers algorithm"
@@ -69,16 +74,6 void QChart::addSeries(QChartSeries* series)
69 m_xyLineChartItems<<item;
74 m_xyLineChartItems<<item;
70 break;
75 break;
71 }
76 }
72 // TODO: Not tested:
73 // case QChartSeries::SeriesTypeScatter: {
74 // QScatterSeries *scatter = qobject_cast<QScatterSeries *>(series);
75 // if (scatter) {
76 // scatter->d->setParentItem(this);
77 // scene()->addItem(scatter->d);
78 // }
79 // break;
80 // }
81
82 case QChartSeries::SeriesTypeBar: {
77 case QChartSeries::SeriesTypeBar: {
83
78
84 qDebug() << "barSeries added";
79 qDebug() << "barSeries added";
@@ -90,6 +85,23 void QChart::addSeries(QChartSeries* series)
90 m_BarGroupItems.append(group); // If we need to access group later
85 m_BarGroupItems.append(group); // If we need to access group later
91 break;
86 break;
92 }
87 }
88 case QChartSeries::SeriesTypeScatter: {
89 QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
90 connect(this, SIGNAL(sizeChanged(QRectF)),
91 scatterSeries, SLOT(chartSizeChanged(QRectF)));
92 scatterSeries->d->setParentItem(this);
93 QColor nextColor = m_themeColors.takeFirst();
94 nextColor.setAlpha(150); // TODO: default opacity?
95 scatterSeries->setMarkerColor(nextColor);
96 }
97 case QChartSeries::SeriesTypePie: {
98 // TODO: we now have also a list of y values as a parameter, it is ignored
99 // we should use a generic data class instead of list of x and y values
100 QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
101 connect(this, SIGNAL(sizeChanged(QRectF)),
102 pieSeries, SLOT(chartSizeChanged(QRectF)));
103 // TODO: how to define the color for all the slices of a pie?
104 }
93 }
105 }
94 }
106 }
95
107
@@ -97,28 +109,32 QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type)
97 {
109 {
98 // TODO: support also other types; not only scatter and pie
110 // TODO: support also other types; not only scatter and pie
99
111
112 QChartSeries *series(0);
113
100 switch (type) {
114 switch (type) {
115 case QChartSeries::SeriesTypeLine: {
116 series = QXYChartSeries::create();
117 break;
118 }
119 case QChartSeries::SeriesTypeBar: {
120 series = new BarChartSeries(this);
121 break;
122 }
101 case QChartSeries::SeriesTypeScatter: {
123 case QChartSeries::SeriesTypeScatter: {
102 QScatterSeries *scatterSeries = new QScatterSeries(this);
124 series = new QScatterSeries(this);
103 connect(this, SIGNAL(sizeChanged(QRectF)),
125 break;
104 scatterSeries, SLOT(chartSizeChanged(QRectF)));
105 scatterSeries->d->setParentItem(this);
106 return scatterSeries;
107 }
126 }
108 case QChartSeries::SeriesTypePie: {
127 case QChartSeries::SeriesTypePie: {
109 // TODO: we now have also a list of y values as a parameter, it is ignored
128 series = new QPieSeries(this);
110 // we should use a generic data class instead of list of x and y values
129 break;
111 QPieSeries *pieSeries = new QPieSeries(this);
112 connect(this, SIGNAL(sizeChanged(QRectF)),
113 pieSeries, SLOT(chartSizeChanged(QRectF)));
114 return pieSeries;
115 }
130 }
116 default:
131 default:
117 Q_ASSERT(false);
132 Q_ASSERT(false);
118 break;
133 break;
119 }
134 }
120
135
121 return 0;
136 addSeries(series);
137 return series;
122 }
138 }
123
139
124 void QChart::setSize(const QSizeF& size)
140 void QChart::setSize(const QSizeF& size)
@@ -159,7 +175,39 void QChart::setMargin(int margin)
159 m_marginSize = margin;
175 m_marginSize = margin;
160 }
176 }
161
177
162 #include "moc_qchart.cpp"
178 void QChart::setTheme(QChart::ChartTheme theme)
179 {
180 // TODO: define color themes
181 switch (theme) {
182 case ChartThemeVanilla:
183 m_themeColors.append(QColor(255, 238, 174));
184 m_themeColors.append(QColor(228, 228, 160));
185 m_themeColors.append(QColor(228, 179, 160));
186 m_themeColors.append(QColor(180, 151, 18));
187 m_themeColors.append(QColor(252, 252, 37));
188 break;
189 case ChartThemeIcy:
190 m_themeColors.append(QColor(255, 238, 174));
191 m_themeColors.append(QColor(228, 228, 160));
192 m_themeColors.append(QColor(228, 179, 160));
193 m_themeColors.append(QColor(180, 151, 18));
194 m_themeColors.append(QColor(252, 252, 37));
195 break;
196 case ChartThemeGrayscale:
197 m_themeColors.append(QColor(255, 238, 174));
198 m_themeColors.append(QColor(228, 228, 160));
199 m_themeColors.append(QColor(228, 179, 160));
200 m_themeColors.append(QColor(180, 151, 18));
201 m_themeColors.append(QColor(252, 252, 37));
202 break;
203 default:
204 Q_ASSERT(false);
205 break;
206 }
163
207
208 // TODO: update coloring of different elements to match the selected theme
209 }
210
211 #include "moc_qchart.cpp"
164
212
165 QTCOMMERCIALCHART_END_NAMESPACE
213 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -26,6 +26,13 class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsObject
26 {
26 {
27 Q_OBJECT
27 Q_OBJECT
28 public:
28 public:
29 enum ChartTheme {
30 ChartThemeVanilla = 0,
31 ChartThemeIcy,
32 ChartThemeGrayscale
33 };
34
35 public:
29 QChart(QGraphicsObject* parent = 0);
36 QChart(QGraphicsObject* parent = 0);
30 ~QChart();
37 ~QChart();
31
38
@@ -41,6 +48,7 public:
41 virtual void setSize(const QSizeF& rect);
48 virtual void setSize(const QSizeF& rect);
42 void setMargin(int margin);
49 void setMargin(int margin);
43 int margin() const;
50 int margin() const;
51 void setTheme(QChart::ChartTheme theme);
44
52
45 signals:
53 signals:
46 void sizeChanged(QRectF rect);
54 void sizeChanged(QRectF rect);
@@ -58,6 +66,7 private:
58 QList<QGraphicsItem*> m_items;
66 QList<QGraphicsItem*> m_items;
59 int m_plotDataIndex;
67 int m_plotDataIndex;
60 int m_marginSize;
68 int m_marginSize;
69 QList<QColor> m_themeColors;
61
70
62 QList<BarGroup*> m_BarGroupItems;
71 QList<BarGroup*> m_BarGroupItems;
63 };
72 };
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@@ -46,6 +46,12 QChartSeries* QChartWidget::createSeries(QChartSeries::QChartSeriesType type)
46 {
46 {
47 return m_chart->createSeries(type);
47 return m_chart->createSeries(type);
48 }
48 }
49
50 void QChartWidget::setTheme(QChart::ChartTheme theme)
51 {
52 m_chart->setTheme(theme);
53 }
54
49 #include "moc_qchartwidget.cpp"
55 #include "moc_qchartwidget.cpp"
50
56
51 QTCOMMERCIALCHART_END_NAMESPACE
57 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -28,6 +28,12 public:
28 void addSeries(QChartSeries* series);
28 void addSeries(QChartSeries* series);
29 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
29 QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
30
30
31 /*!
32 * Set color theme for the chart. Themes define harmonic colors for the graphical elements of
33 * the chart.
34 */
35 void setTheme(QChart::ChartTheme theme);
36
31 private:
37 private:
32 Q_DISABLE_COPY(QChartWidget)
38 Q_DISABLE_COPY(QChartWidget)
33 QGraphicsScene *m_scene;
39 QGraphicsScene *m_scene;
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@@ -12,7 +12,8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
12 QScatterSeriesPrivate::QScatterSeriesPrivate(QGraphicsItem *parent) :
12 QScatterSeriesPrivate::QScatterSeriesPrivate(QGraphicsItem *parent) :
13 QGraphicsItem(parent),
13 QGraphicsItem(parent),
14 m_scalex(100), // TODO: let the use define the scale (or autoscaled)
14 m_scalex(100), // TODO: let the use define the scale (or autoscaled)
15 m_scaley(100)
15 m_scaley(100),
16 m_markerColor(QColor())
16 {
17 {
17 }
18 }
18
19
@@ -41,7 +42,8 void QScatterSeriesPrivate::paint(QPainter *painter, const QStyleOptionGraphicsI
41 QPen pen = painter->pen();
42 QPen pen = painter->pen();
42 QBrush brush = pen.brush();
43 QBrush brush = pen.brush();
43 // TODO: The opacity should be user definable...
44 // TODO: The opacity should be user definable...
44 brush.setColor(QColor(255, 82, 0, 100));
45 //brush.setColor(QColor(255, 82, 0, 100));
46 brush.setColor(m_markerColor);
45 pen.setBrush(brush);
47 pen.setBrush(brush);
46 pen.setWidth(4);
48 pen.setWidth(4);
47 painter->setPen(pen);
49 painter->setPen(pen);
@@ -80,6 +82,11 void QScatterSeries::chartSizeChanged(QRectF rect)
80 d->resize(rect);
82 d->resize(rect);
81 }
83 }
82
84
85 void QScatterSeries::setMarkerColor(QColor color)
86 {
87 d->m_markerColor = color;
88 }
89
83 // TODO:
90 // TODO:
84 //void QScatterSeries::chartScaleChanged(qreal xscale, qreal yscale)
91 //void QScatterSeries::chartScaleChanged(qreal xscale, qreal yscale)
85 //{
92 //{
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@@ -3,6 +3,7
3
3
4 #include "qchartseries.h"
4 #include "qchartseries.h"
5 #include <QRectF>
5 #include <QRectF>
6 #include <QColor>
6
7
7 QTCOMMERCIALCHART_BEGIN_NAMESPACE
8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
8 class QScatterSeriesPrivate;
9 class QScatterSeriesPrivate;
@@ -21,6 +22,7 public: // from QChartSeries
21
22
22 public Q_SLOTS:
23 public Q_SLOTS:
23 void chartSizeChanged(QRectF rect);
24 void chartSizeChanged(QRectF rect);
25 void setMarkerColor(QColor color);
24 //void chartScaleChanged(qreal xscale, qreal yscale);
26 //void chartScaleChanged(qreal xscale, qreal yscale);
25
27
26 private:
28 private:
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@@ -26,6 +26,7 public: // from QGraphicsItem
26 qreal m_scaley;
26 qreal m_scaley;
27 QList<qreal> m_scenex;
27 QList<qreal> m_scenex;
28 QList<qreal> m_sceney;
28 QList<qreal> m_sceney;
29 QColor m_markerColor;
29 };
30 };
30
31
31 QTCOMMERCIALCHART_END_NAMESPACE
32 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -3,7 +3,7
3 QTCOMMERCIALCHART_BEGIN_NAMESPACE
3 QTCOMMERCIALCHART_BEGIN_NAMESPACE
4
4
5 QXYChartSeries::QXYChartSeries(QObject* parent):QChartSeries(parent),
5 QXYChartSeries::QXYChartSeries(QObject* parent):QChartSeries(parent),
6 m_color(Qt::black)
6 m_color()
7 {
7 {
8 }
8 }
9
9
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@@ -58,6 +58,14 MainWidget::MainWidget(QWidget *parent) :
58 m_yMaxSpin->setValue(10);
58 m_yMaxSpin->setValue(10);
59 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
59 connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
60
60
61 QComboBox *chartTheme = new QComboBox();
62 chartTheme->addItem("Vanilla");
63 chartTheme->addItem("Icy");
64 chartTheme->addItem("Grayscale");
65 chartTheme->addItem("Tobedefined");
66 connect(chartTheme, SIGNAL(currentIndexChanged(int)),
67 this, SLOT(changeChartTheme(int)));
68
61 QGridLayout *grid = new QGridLayout();
69 QGridLayout *grid = new QGridLayout();
62 QGridLayout *mainLayout = new QGridLayout();
70 QGridLayout *mainLayout = new QGridLayout();
63 //grid->addWidget(new QLabel("Add series:"), 0, 0);
71 //grid->addWidget(new QLabel("Add series:"), 0, 0);
@@ -73,9 +81,11 MainWidget::MainWidget(QWidget *parent) :
73 grid->addWidget(m_yMinSpin, 6, 1);
81 grid->addWidget(m_yMinSpin, 6, 1);
74 grid->addWidget(new QLabel("y max:"), 7, 0);
82 grid->addWidget(new QLabel("y max:"), 7, 0);
75 grid->addWidget(m_yMaxSpin, 7, 1);
83 grid->addWidget(m_yMaxSpin, 7, 1);
84 grid->addWidget(new QLabel("Chart theme:"), 8, 0);
85 grid->addWidget(chartTheme, 8, 1);
76 // add row with empty label to make all the other rows static
86 // add row with empty label to make all the other rows static
77 grid->addWidget(new QLabel(""), 8, 0);
87 grid->addWidget(new QLabel(""), 9, 0);
78 grid->setRowStretch(8, 1);
88 grid->setRowStretch(9, 1);
79
89
80 mainLayout->addLayout(grid, 0, 0);
90 mainLayout->addLayout(grid, 0, 0);
81
91
@@ -160,8 +170,19 void MainWidget::addSeries(QString series, QString data)
160 newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypePie);
170 newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypePie);
161 Q_ASSERT(newSeries->setData(y));
171 Q_ASSERT(newSeries->setData(y));
162 } else if (series == "Line") {
172 } else if (series == "Line") {
163 newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypePie);
173 // TODO: adding data to an existing line series does not give any visuals for some reason
164 Q_ASSERT(newSeries->setData(x, y));
174 // newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypeLine);
175 // QXYChartSeries *lineSeries = static_cast<QXYChartSeries *>(newSeries);
176 // lineSeries->setColor(Qt::blue);
177 // for (int i(0); i < x.count() && i < y.count(); i++) {
178 // lineSeries->add(x.at(i), y.at(i));
179 // }
180 //Q_ASSERT(newSeries->setData(x, y));
181 QXYChartSeries* series0 = QXYChartSeries::create();
182 for (int i(0); i < x.count() && i < y.count(); i++)
183 series0->add(x.at(i), y.at(i));
184 m_chartWidget->addSeries(series0);
185 newSeries = series0;
165 } else {
186 } else {
166 // TODO
187 // TODO
167 }
188 }
@@ -279,6 +300,12 void MainWidget::yMaxChanged(int value)
279 qDebug() << "yMaxChanged: " << value;
300 qDebug() << "yMaxChanged: " << value;
280 }
301 }
281
302
303 void MainWidget::changeChartTheme(int themeIndex)
304 {
305 qDebug() << "changeChartTheme: " << themeIndex;
306 m_chartWidget->setTheme((QChart::ChartTheme) themeIndex);
307 }
308
282 void MainWidget::setPieSizeFactor(double size)
309 void MainWidget::setPieSizeFactor(double size)
283 {
310 {
284 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
311 QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
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@@ -30,6 +30,7 private slots:
30 void yMinChanged(int value);
30 void yMinChanged(int value);
31 void yMaxChanged(int value);
31 void yMaxChanged(int value);
32 void setCurrentSeries(QChartSeries *series);
32 void setCurrentSeries(QChartSeries *series);
33 void changeChartTheme(int themeIndex);
33 void setPieSizeFactor(double margin);
34 void setPieSizeFactor(double margin);
34
35
35 private:
36 private:
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