@@ -0,0 +1,9 | |||||
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1 | !include( ../examples.pri ) { | |||
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2 | error( "Couldn't find the examples.pri file!" ) | |||
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3 | } | |||
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4 | ||||
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5 | TARGET = donutdrilldown | |||
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6 | SOURCES += main.cpp\ | |||
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7 | widget.cpp | |||
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8 | ||||
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9 | HEADERS += widget.h |
@@ -0,0 +1,11 | |||||
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1 | #include <QApplication> | |||
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2 | #include "widget.h" | |||
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3 | ||||
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4 | int main(int argc, char *argv[]) | |||
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5 | { | |||
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6 | QApplication a(argc, argv); | |||
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7 | Widget w; | |||
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8 | w.show(); | |||
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9 | ||||
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10 | return a.exec(); | |||
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11 | } |
@@ -0,0 +1,120 | |||||
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1 | #include "widget.h" | |||
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2 | #include <QGridLayout> | |||
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3 | ||||
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4 | #include <QPieSlice> | |||
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5 | #include <QTime> | |||
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6 | #include <QChartView> | |||
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7 | #include <QTimer> | |||
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8 | ||||
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9 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
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10 | ||||
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11 | Widget::Widget(QWidget *parent) | |||
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12 | : QWidget(parent), | |||
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13 | mainData(0) | |||
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14 | { | |||
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15 | setMinimumSize(800, 600); | |||
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16 | qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); | |||
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17 | ||||
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18 | QChartView *chartView = new QChartView; | |||
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19 | chartView->setRenderHint(QPainter::Antialiasing); | |||
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20 | chartView->chart()->setAnimationOptions(QChart::AllAnimations); | |||
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21 | ||||
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22 | mainData = new QPieSeries; | |||
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23 | for (int j = 0; j < 4; j++) { | |||
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24 | ||||
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25 | // create new slice for the mainData | |||
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26 | QPieSlice *slice = new QPieSlice; | |||
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27 | slice->setLabelPosition(QPieSlice::LabelInside); | |||
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28 | slice->setLabelColor(Qt::white); | |||
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29 | mainData->append(slice); | |||
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30 | ||||
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31 | // create a new detailed data for the slice | |||
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32 | QPieSeries *donut = new QPieSeries; | |||
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33 | donut->setDonut(); | |||
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34 | donut->setLabelsVisible(); | |||
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35 | donut->setDonutInnerSize(mainData->pieSize()); | |||
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36 | donut->setPieSize(mainData->pieSize() + 0.2); | |||
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37 | ||||
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38 | // when mainData slice is redrawn make sure the detailed data slices are aligned with it | |||
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39 | connect(slice, SIGNAL(startAngleChanged()), this, SLOT(updatedStartAngle())); | |||
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40 | connect(slice, SIGNAL(angleSpanChanged()), this, SLOT(updatedAngleSpan())); | |||
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41 | ||||
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42 | // create the detailed data | |||
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43 | for (int j = 0; j < 3; j++) { | |||
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44 | qreal value = 10 + qrand() % 100; | |||
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45 | QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value); | |||
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46 | donut->append(slice); | |||
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47 | donut->slices().last()->setLabelVisible(true); | |||
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48 | donut->slices().last()->setLabelColor(Qt::white); | |||
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49 | } | |||
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50 | detailedData.append(donut); | |||
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51 | ||||
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52 | // update the value and label of mainData | |||
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53 | slice->setValue(donut->sum()); | |||
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54 | slice->setLabel(QString("%1").arg(donut->sum())); | |||
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55 | } | |||
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56 | ||||
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57 | mainData->setLabelsVisible(); | |||
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58 | chartView->chart()->addSeries(mainData); | |||
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59 | for (int i = 0; i < detailedData.count(); i++) | |||
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60 | chartView->chart()->addSeries(detailedData.at(i)); | |||
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61 | ||||
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62 | // create main layout | |||
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63 | QGridLayout* mainLayout = new QGridLayout; | |||
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64 | mainLayout->addWidget(chartView, 1, 1); | |||
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65 | setLayout(mainLayout); | |||
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66 | ||||
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67 | // modify the value of one detailed slice every 2.5 sec | |||
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68 | QTimer *updateTimer = new QTimer(this); | |||
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69 | connect(updateTimer, SIGNAL(timeout()), this, SLOT(highlight())); | |||
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70 | updateTimer->start(2500); | |||
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71 | } | |||
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72 | ||||
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73 | Widget::~Widget() | |||
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74 | { | |||
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75 | ||||
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76 | } | |||
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77 | ||||
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78 | void Widget::updatedStartAngle() | |||
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79 | { | |||
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80 | // when the mainData slice has been updated the detailed data QPieSeries object as well | |||
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81 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |||
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82 | QPieSeries *detailsDonut = detailedData.at(slice->series()->slices().indexOf(slice)); | |||
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83 | detailsDonut->setPieStartAngle(slice->startAngle()); | |||
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84 | } | |||
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85 | ||||
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86 | void Widget::updatedAngleSpan() | |||
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87 | { | |||
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88 | // when the mainData slice has been updated the detailed data QPieSeries object as well | |||
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89 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |||
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90 | QPieSeries *detailsDonut = detailedData.at(slice->series()->slices().indexOf(slice)); | |||
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91 | detailsDonut->setPieEndAngle(slice->startAngle() + slice->angleSpan()); | |||
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92 | } | |||
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93 | ||||
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94 | void Widget::updateRotation() | |||
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95 | { | |||
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96 | // update the selected slice | |||
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97 | qreal newValue = 10 + qrand() % 100; | |||
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98 | detailedData.at(detailIndex)->slices().at(sliceIndex)->setValue(newValue); | |||
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99 | detailedData.at(detailIndex)->slices().at(sliceIndex)->setLabel(QString("%1").arg(newValue)); | |||
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100 | ||||
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101 | // update the mainData slice with a new sum of the detailed data values | |||
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102 | mainData->slices().at(detailIndex)->setValue(detailedData.at(detailIndex)->sum()); | |||
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103 | mainData->slices().at(detailIndex)->setLabel(QString("%1").arg(detailedData.at(detailIndex)->sum())); | |||
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104 | ||||
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105 | // change the explode state of the selected slice back to normal | |||
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106 | detailedData.at(detailIndex)->slices().at(sliceIndex)->setExploded(false); | |||
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107 | } | |||
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108 | ||||
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109 | void Widget::highlight() | |||
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110 | { | |||
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111 | // choose one random detailed data slice to be updated. | |||
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112 | detailIndex = qrand() % mainData->count(); | |||
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113 | sliceIndex = qrand() % detailedData.at(detailIndex)->count(); | |||
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114 | ||||
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115 | // set the slice to exploded to make the change easier to observe | |||
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116 | detailedData.at(detailIndex)->slices().at(sliceIndex)->setExploded(); | |||
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117 | ||||
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118 | // give the user time to focus on the slice that will be changed | |||
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119 | QTimer::singleShot(1000, this, SLOT(updateRotation())); | |||
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120 | } |
@@ -0,0 +1,30 | |||||
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1 | #ifndef WIDGET_H | |||
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2 | #define WIDGET_H | |||
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3 | ||||
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4 | #include <QWidget> | |||
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5 | #include <QPieSeries> | |||
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6 | ||||
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7 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
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8 | ||||
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9 | class Widget : public QWidget | |||
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10 | { | |||
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11 | Q_OBJECT | |||
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12 | ||||
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13 | public: | |||
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14 | Widget(QWidget *parent = 0); | |||
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15 | ~Widget(); | |||
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16 | ||||
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17 | public slots: | |||
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18 | void updatedStartAngle(); | |||
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19 | void updatedAngleSpan(); | |||
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20 | void updateRotation(); | |||
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21 | void highlight(); | |||
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22 | ||||
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23 | private: | |||
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24 | QPieSeries *mainData; | |||
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25 | QList<QPieSeries *> detailedData; | |||
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26 | int detailIndex; | |||
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27 | int sliceIndex; | |||
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28 | }; | |||
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29 | ||||
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30 | #endif // WIDGET_H |
@@ -17,24 +17,29 Widget::Widget(QWidget *parent) | |||||
17 | QChartView *chartView = new QChartView; |
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17 | QChartView *chartView = new QChartView; | |
18 | chartView->setRenderHint(QPainter::Antialiasing); |
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18 | chartView->setRenderHint(QPainter::Antialiasing); | |
19 |
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19 | |||
20 | for (int i = 0; i < 7; i++) { |
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20 | qreal minSize = 0.1; | |
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21 | qreal maxSize = 0.9; | |||
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22 | int donutsCount = 5; | |||
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23 | for (int i = 0; i < donutsCount; i++) { | |||
21 | QPieSeries *donut = new QPieSeries; |
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24 | QPieSeries *donut = new QPieSeries; | |
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25 | donut->setDonut(); | |||
22 | donut->setLabelsVisible(); |
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26 | donut->setLabelsVisible(); | |
23 | for (int j = 0; j < 4; j++) { |
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27 | int sliceCount = 3 + qrand() % 3; | |
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28 | for (int j = 0; j < sliceCount; j++) { | |||
24 | qreal value = 100 + qrand() % 100; |
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29 | qreal value = 100 + qrand() % 100; | |
25 |
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30 | QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value); | |
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31 | connect(slice, SIGNAL(hovered(bool)), this, SLOT(explodeSlice(bool))); | |||
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32 | donut->append(slice); | |||
26 | donut->slices().last()->setLabelVisible(true); |
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33 | donut->slices().last()->setLabelVisible(true); | |
27 | // QFont labelFont = donut->slices().last()->labelFont(); |
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28 | // // labelFont.setUnderline(true); |
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29 | // labelFont.setBold(true); |
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30 | // donut->slices().last()->setLabelFont(labelFont); |
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31 |
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34 | donut->slices().last()->setLabelColor(Qt::white); | |
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35 | donut->setDonutInnerSize(minSize + i * (maxSize - minSize) / donutsCount); | |||
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36 | donut->setPieSize(minSize + (i + 1) * (maxSize - minSize) / donutsCount); | |||
32 | } |
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37 | } | |
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38 | m_donuts.append(donut); | |||
33 | qreal phase = qrand() % 180; |
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39 | qreal phase = qrand() % 180; | |
34 | donut->setPieStartAngle(phase); |
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40 | donut->setPieStartAngle(phase); | |
35 | donut->setPieEndAngle(360 + phase); |
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41 | donut->setPieEndAngle(360 + phase); | |
36 | chartView->chart()->addSeries(donut); |
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42 | chartView->chart()->addSeries(donut); | |
37 | m_donutsGroup.append(donut); |
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38 | } |
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43 | } | |
39 |
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44 | |||
40 | // create main layout |
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45 | // create main layout | |
@@ -44,7 +49,7 Widget::Widget(QWidget *parent) | |||||
44 |
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49 | |||
45 | chartView->chart()->setAnimationOptions(QChart::AllAnimations); |
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50 | chartView->chart()->setAnimationOptions(QChart::AllAnimations); | |
46 |
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51 | |||
47 |
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52 | updateTimer = new QTimer(this); | |
48 | connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateRotation())); |
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53 | connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateRotation())); | |
49 | updateTimer->start(750); |
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54 | updateTimer->start(750); | |
50 | } |
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55 | } | |
@@ -56,10 +61,35 Widget::~Widget() | |||||
56 |
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61 | |||
57 | void Widget::updateRotation() |
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62 | void Widget::updateRotation() | |
58 | { |
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63 | { | |
59 |
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64 | // int tobeupdated = qrand() % m_donutsGroup.count(); | |
60 | QPieSeries *donut = m_donutsGroup.donuts().at(i); |
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65 | for (int i = 0; i < m_donuts.count(); i++) { | |
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66 | QPieSeries *donut = m_donuts.at(i); | |||
61 | qreal phaseShift = -50 + qrand() % 100; |
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67 | qreal phaseShift = -50 + qrand() % 100; | |
62 | donut->setPieStartAngle(donut->pieStartAngle() + phaseShift); |
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68 | donut->setPieStartAngle(donut->pieStartAngle() + phaseShift); | |
63 | donut->setPieEndAngle(donut->pieEndAngle() + phaseShift); |
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69 | donut->setPieEndAngle(donut->pieEndAngle() + phaseShift); | |
64 | } |
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70 | } | |
65 | } |
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71 | } | |
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72 | ||||
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73 | void Widget::explodeSlice(bool exploded) | |||
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74 | { | |||
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75 | QPieSlice *slice = qobject_cast<QPieSlice *>(sender()); | |||
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76 | if (exploded) { | |||
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77 | updateTimer->stop(); | |||
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78 | qreal sliceStartAngle = slice->startAngle(); | |||
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79 | qreal sliceEndAngle = slice->startAngle() + slice->angleSpan(); | |||
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80 | ||||
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81 | QPieSeries *donut = slice->series(); | |||
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82 | qreal seriesIndex = m_donuts.indexOf(donut); | |||
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83 | for (int i = seriesIndex + 1; i < m_donuts.count(); i++) { | |||
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84 | m_donuts.at(i)->setPieStartAngle(sliceEndAngle); | |||
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85 | m_donuts.at(i)->setPieEndAngle(360 + sliceStartAngle); | |||
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86 | } | |||
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87 | } else { | |||
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88 | for (int i = 0; i < m_donuts.count(); i++) { | |||
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89 | m_donuts.at(i)->setPieStartAngle(0); | |||
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90 | m_donuts.at(i)->setPieEndAngle(360); | |||
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91 | } | |||
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92 | updateTimer->start(); | |||
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93 | } | |||
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94 | slice->setExploded(exploded); | |||
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95 | } |
@@ -2,7 +2,9 | |||||
2 | #define WIDGET_H |
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2 | #define WIDGET_H | |
3 |
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3 | |||
4 | #include <QWidget> |
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4 | #include <QWidget> | |
5 |
#include <Q |
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5 | #include <QPieSeries> | |
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6 | ||||
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7 | class QTimer; | |||
6 |
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8 | |||
7 | QTCOMMERCIALCHART_USE_NAMESPACE |
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9 | QTCOMMERCIALCHART_USE_NAMESPACE | |
8 |
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10 | |||
@@ -16,9 +18,11 public: | |||||
16 |
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18 | |||
17 | public slots: |
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19 | public slots: | |
18 | void updateRotation(); |
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20 | void updateRotation(); | |
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21 | void explodeSlice(bool exploded); | |||
19 |
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22 | |||
20 | private: |
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23 | private: | |
21 | QDonutGroup m_donutsGroup; |
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24 | QList<QPieSeries *> m_donuts; | |
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25 | QTimer *updateTimer; | |||
22 | }; |
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26 | }; | |
23 |
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27 | |||
24 | #endif // WIDGET_H |
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28 | #endif // WIDGET_H |
@@ -27,4 +27,5 SUBDIRS += \ | |||||
27 | horizontalbarchart \ |
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27 | horizontalbarchart \ | |
28 | horizontalstackedbarchart \ |
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28 | horizontalstackedbarchart \ | |
29 | horizontalpercentbarchart \ |
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29 | horizontalpercentbarchart \ | |
30 | donut |
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30 | donut \ | |
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31 | donutdrilldown |
@@ -8,8 +8,7 SOURCES += \ | |||||
8 | $$PWD/qpieslice.cpp \ |
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8 | $$PWD/qpieslice.cpp \ | |
9 | $$PWD/qpiemodelmapper.cpp \ |
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9 | $$PWD/qpiemodelmapper.cpp \ | |
10 | $$PWD/qvpiemodelmapper.cpp \ |
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10 | $$PWD/qvpiemodelmapper.cpp \ | |
11 |
$$PWD/qhpiemodelmapper.cpp |
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11 | $$PWD/qhpiemodelmapper.cpp | |
12 | piechart/qdonutgroup.cpp |
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13 |
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12 | |||
14 | PRIVATE_HEADERS += \ |
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13 | PRIVATE_HEADERS += \ | |
15 | $$PWD/pieslicedata_p.h \ |
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14 | $$PWD/pieslicedata_p.h \ | |
@@ -17,13 +16,11 PRIVATE_HEADERS += \ | |||||
17 | $$PWD/piesliceitem_p.h \ |
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16 | $$PWD/piesliceitem_p.h \ | |
18 | $$PWD/qpieslice_p.h \ |
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17 | $$PWD/qpieslice_p.h \ | |
19 | $$PWD/qpieseries_p.h \ |
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18 | $$PWD/qpieseries_p.h \ | |
20 |
$$PWD/qpiemodelmapper_p.h |
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19 | $$PWD/qpiemodelmapper_p.h | |
21 | $$PWD/qdonutgroup_p.h |
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22 |
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20 | |||
23 | PUBLIC_HEADERS += \ |
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21 | PUBLIC_HEADERS += \ | |
24 | $$PWD/qpieseries.h \ |
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22 | $$PWD/qpieseries.h \ | |
25 | $$PWD/qpieslice.h \ |
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23 | $$PWD/qpieslice.h \ | |
26 | $$PWD/qpiemodelmapper.h \ |
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24 | $$PWD/qpiemodelmapper.h \ | |
27 | $$PWD/qvpiemodelmapper.h \ |
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25 | $$PWD/qvpiemodelmapper.h \ | |
28 |
$$PWD/qhpiemodelmapper.h |
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26 | $$PWD/qhpiemodelmapper.h | |
29 | $$PWD/qdonutgroup.h |
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