@@ -0,0 +1,126 | |||||
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1 | #include <QtGui/QApplication> | |||
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2 | #include <QMainWindow> | |||
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3 | #include <qchartglobal.h> | |||
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4 | #include <qchartview.h> | |||
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5 | #include <qpieseries.h> | |||
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6 | #include <qpieslice.h> | |||
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7 | #include <QTime> | |||
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8 | ||||
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9 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
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10 | ||||
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11 | class DrilldownSlice : public QPieSlice | |||
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12 | { | |||
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13 | Q_OBJECT | |||
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14 | ||||
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15 | public: | |||
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16 | DrilldownSlice(qreal value, QString prefix, QSeries* drilldownSeries) | |||
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17 | :m_drilldownSeries(drilldownSeries), | |||
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18 | m_prefix(prefix) | |||
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19 | { | |||
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20 | setValue(value); | |||
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21 | setLabelVisible(true); | |||
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22 | updateLabel(); | |||
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23 | connect(this, SIGNAL(changed()), this, SLOT(updateLabel())); | |||
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24 | } | |||
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25 | ||||
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26 | QSeries* drilldownSeries() const { return m_drilldownSeries; } | |||
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27 | ||||
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28 | public Q_SLOTS: | |||
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29 | void updateLabel() | |||
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30 | { | |||
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31 | QString label = m_prefix; | |||
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32 | label += " - " + QString::number(this->value())+ "e ("; | |||
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33 | label += QString::number(this->percentage()*100, 'f', 1) + "%)"; | |||
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34 | qDebug() << "updateLabel" << label; | |||
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35 | setLabel(label); | |||
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36 | } | |||
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37 | ||||
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38 | private: | |||
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39 | QSeries* m_drilldownSeries; | |||
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40 | QString m_prefix; | |||
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41 | }; | |||
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42 | ||||
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43 | class DrilldownChart : public QChartView | |||
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44 | { | |||
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45 | Q_OBJECT | |||
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46 | public: | |||
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47 | explicit DrilldownChart(QWidget *parent = 0):QChartView(parent), m_currentSeries(0) {} | |||
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48 | ||||
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49 | void changeSeries(QSeries* series) | |||
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50 | { | |||
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51 | if (m_currentSeries) | |||
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52 | removeSeries(m_currentSeries); | |||
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53 | m_currentSeries = series; | |||
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54 | addSeries(series); | |||
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55 | setChartTitle(series->title()); | |||
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56 | } | |||
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57 | ||||
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58 | public Q_SLOTS: | |||
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59 | void handleSliceClicked(QPieSlice* slice) | |||
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60 | { | |||
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61 | DrilldownSlice* drilldownSlice = static_cast<DrilldownSlice*>(slice); | |||
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62 | changeSeries(drilldownSlice->drilldownSeries()); | |||
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63 | } | |||
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64 | ||||
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65 | private: | |||
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66 | QSeries* m_currentSeries; | |||
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67 | }; | |||
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68 | ||||
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69 | int main(int argc, char *argv[]) | |||
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70 | { | |||
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71 | QApplication a(argc, argv); | |||
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72 | ||||
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73 | qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); | |||
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74 | ||||
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75 | QMainWindow window; | |||
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76 | ||||
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77 | DrilldownChart* drilldownChart = new DrilldownChart(&window); | |||
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78 | drilldownChart->setRenderHint(QPainter::Antialiasing); | |||
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79 | drilldownChart->setChartTheme(QChart::ChartThemeVanilla); | |||
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80 | ||||
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81 | QPieSeries* yearSeries = new QPieSeries(drilldownChart); | |||
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82 | yearSeries->setTitle("Sales by year - All"); | |||
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83 | yearSeries->setHoverHighlighting(); | |||
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84 | ||||
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85 | QList<QString> months; | |||
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86 | months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec"; | |||
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87 | ||||
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88 | int max = 1000; | |||
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89 | ||||
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90 | QPieSeries* monthSeriesJane = new QPieSeries(drilldownChart); | |||
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91 | monthSeriesJane->setTitle("Sales by month - Jane"); | |||
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92 | monthSeriesJane->setHoverHighlighting(); | |||
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93 | foreach (QString month, months) | |||
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94 | *monthSeriesJane << new DrilldownSlice(qrand() % max, month, yearSeries); | |||
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95 | ||||
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96 | QPieSeries* monthSeriesJohn = new QPieSeries(drilldownChart); | |||
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97 | monthSeriesJohn->setTitle("Sales by month - John"); | |||
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98 | monthSeriesJohn->setHoverHighlighting(); | |||
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99 | foreach (QString month, months) | |||
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100 | *monthSeriesJohn << new DrilldownSlice(qrand() % max, month, yearSeries); | |||
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101 | ||||
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102 | QPieSeries* monthSeriesAxel = new QPieSeries(drilldownChart); | |||
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103 | monthSeriesAxel->setTitle("Sales by month - Axel"); | |||
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104 | monthSeriesAxel->setHoverHighlighting(); | |||
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105 | foreach (QString month, months) | |||
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106 | *monthSeriesAxel << new DrilldownSlice(qrand() % max, month, yearSeries); | |||
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107 | ||||
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108 | *yearSeries << new DrilldownSlice(monthSeriesJane->total(), "Jane", monthSeriesJane); | |||
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109 | *yearSeries << new DrilldownSlice(monthSeriesJohn->total(), "John", monthSeriesJohn); | |||
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110 | *yearSeries << new DrilldownSlice(monthSeriesAxel->total(), "Axel", monthSeriesAxel); | |||
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111 | ||||
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112 | QObject::connect(monthSeriesJane, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*))); | |||
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113 | QObject::connect(monthSeriesJohn, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*))); | |||
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114 | QObject::connect(monthSeriesAxel, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*))); | |||
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115 | QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*)), drilldownChart, SLOT(handleSliceClicked(QPieSlice*))); | |||
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116 | ||||
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117 | drilldownChart->changeSeries(yearSeries); | |||
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118 | ||||
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119 | window.setCentralWidget(drilldownChart); | |||
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120 | window.resize(600, 600); | |||
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121 | window.show(); | |||
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122 | ||||
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123 | return a.exec(); | |||
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124 | } | |||
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125 | ||||
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126 | #include "main.moc" |
@@ -0,0 +1,9 | |||||
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1 | !include( ../example.pri ) { | |||
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2 | error( "Couldn't find the example.pri file!" ) | |||
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3 | } | |||
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4 | TARGET = piechartdrilldown | |||
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5 | SOURCES += main.cpp | |||
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6 | HEADERS += | |||
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7 | ||||
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8 | ||||
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9 | MOC_DIR = $$PWD/moc |
@@ -1,16 +1,17 | |||||
1 | TEMPLATE = subdirs |
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1 | TEMPLATE = subdirs | |
2 | SUBDIRS += linechart \ |
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2 | SUBDIRS += linechart \ | |
3 | zoomlinechart \ |
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3 | zoomlinechart \ | |
4 | colorlinechart \ |
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4 | colorlinechart \ | |
5 | barchart \ |
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5 | barchart \ | |
6 | stackedbarchart \ |
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6 | stackedbarchart \ | |
7 | percentbarchart \ |
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7 | percentbarchart \ | |
8 | scatter \ |
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8 | scatter \ | |
9 | piechart \ |
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9 | piechart \ | |
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10 | piechartdrilldown \ | |||
10 | dynamiclinechart \ |
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11 | dynamiclinechart \ | |
11 | axischart \ |
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12 | axischart \ | |
12 | multichart \ |
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13 | multichart \ | |
13 | gdpbarchart \ |
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14 | gdpbarchart \ | |
14 | presenterchart \ |
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15 | presenterchart \ | |
15 | chartview \ |
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16 | chartview \ | |
16 | scatterinteractions |
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17 | scatterinteractions |
@@ -1,516 +1,530 | |||||
1 | #include "qpieseries.h" |
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1 | #include "qpieseries.h" | |
2 | #include "qpieslice.h" |
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2 | #include "qpieslice.h" | |
3 | #include <QDebug> |
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3 | #include <QDebug> | |
4 |
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4 | |||
5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
6 |
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6 | |||
7 |
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7 | |||
8 | /*! |
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8 | /*! | |
9 | \class QPieSeries::ChangeSet |
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9 | \class QPieSeries::ChangeSet | |
10 | \brief Defines the changes in the series. |
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10 | \brief Defines the changes in the series. | |
11 |
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11 | |||
12 | Contains the changes that have occurred in the series. Lists of added, changed and removed slices. |
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12 | Contains the changes that have occurred in the series. Lists of added, changed and removed slices. | |
13 |
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13 | |||
14 | \sa QPieSeries::changed() |
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14 | \sa QPieSeries::changed() | |
15 | */ |
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15 | */ | |
16 |
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16 | |||
17 | /*! |
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17 | /*! | |
18 | \internal |
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18 | \internal | |
19 | */ |
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19 | */ | |
20 | void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice) |
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20 | void QPieSeries::ChangeSet::appendAdded(QPieSlice* slice) | |
21 | { |
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21 | { | |
22 | if (!m_added.contains(slice)) |
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22 | if (!m_added.contains(slice)) | |
23 | m_added << slice; |
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23 | m_added << slice; | |
24 | } |
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24 | } | |
25 |
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25 | |||
26 | /*! |
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26 | /*! | |
27 | \internal |
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27 | \internal | |
28 | */ |
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28 | */ | |
29 | void QPieSeries::ChangeSet::appendAdded(QList<QPieSlice*> slices) |
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29 | void QPieSeries::ChangeSet::appendAdded(QList<QPieSlice*> slices) | |
30 | { |
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30 | { | |
31 | foreach (QPieSlice* s, slices) |
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31 | foreach (QPieSlice* s, slices) | |
32 | appendAdded(s); |
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32 | appendAdded(s); | |
33 | } |
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33 | } | |
34 |
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34 | |||
35 | /*! |
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35 | /*! | |
36 | \internal |
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36 | \internal | |
37 | */ |
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37 | */ | |
38 | void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice) |
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38 | void QPieSeries::ChangeSet::appendChanged(QPieSlice* slice) | |
39 | { |
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39 | { | |
40 | if (!m_changed.contains(slice)) |
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40 | if (!m_changed.contains(slice)) | |
41 | m_changed << slice; |
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41 | m_changed << slice; | |
42 | } |
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42 | } | |
43 |
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43 | |||
44 | /*! |
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44 | /*! | |
45 | \internal |
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45 | \internal | |
46 | */ |
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46 | */ | |
47 | void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice) |
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47 | void QPieSeries::ChangeSet::appendRemoved(QPieSlice* slice) | |
48 | { |
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48 | { | |
49 | if (!m_removed.contains(slice)) |
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49 | if (!m_removed.contains(slice)) | |
50 | m_removed << slice; |
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50 | m_removed << slice; | |
51 | } |
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51 | } | |
52 |
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52 | |||
53 | /*! |
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53 | /*! | |
54 | Returns a list of slices that have been added to the series. |
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54 | Returns a list of slices that have been added to the series. | |
55 | \sa QPieSeries::changed() |
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55 | \sa QPieSeries::changed() | |
56 | */ |
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56 | */ | |
57 | QList<QPieSlice*> QPieSeries::ChangeSet::added() const |
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57 | QList<QPieSlice*> QPieSeries::ChangeSet::added() const | |
58 | { |
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58 | { | |
59 | return m_added; |
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59 | return m_added; | |
60 | } |
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60 | } | |
61 |
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61 | |||
62 | /*! |
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62 | /*! | |
63 | Returns a list of slices that have been changed in the series. |
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63 | Returns a list of slices that have been changed in the series. | |
64 | \sa QPieSeries::changed() |
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64 | \sa QPieSeries::changed() | |
65 | */ |
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65 | */ | |
66 | QList<QPieSlice*> QPieSeries::ChangeSet::changed() const |
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66 | QList<QPieSlice*> QPieSeries::ChangeSet::changed() const | |
67 | { |
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67 | { | |
68 | return m_changed; |
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68 | return m_changed; | |
69 | } |
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69 | } | |
70 |
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70 | |||
71 | /*! |
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71 | /*! | |
72 | Returns a list of slices that have been removed from the series. |
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72 | Returns a list of slices that have been removed from the series. | |
73 | \sa QPieSeries::changed() |
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73 | \sa QPieSeries::changed() | |
74 | */ |
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74 | */ | |
75 | QList<QPieSlice*> QPieSeries::ChangeSet::removed() const |
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75 | QList<QPieSlice*> QPieSeries::ChangeSet::removed() const | |
76 | { |
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76 | { | |
77 | return m_removed; |
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77 | return m_removed; | |
78 | } |
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78 | } | |
79 |
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79 | |||
80 |
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80 | |||
81 | /*! |
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81 | /*! | |
82 | Returns true if there are no added/changed or removed slices in the change set. |
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82 | Returns true if there are no added/changed or removed slices in the change set. | |
83 | */ |
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83 | */ | |
84 | bool QPieSeries::ChangeSet::isEmpty() const |
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84 | bool QPieSeries::ChangeSet::isEmpty() const | |
85 | { |
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85 | { | |
86 | if (m_added.count() || m_changed.count() || m_removed.count()) |
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86 | if (m_added.count() || m_changed.count() || m_removed.count()) | |
87 | return false; |
|
87 | return false; | |
88 | return true; |
|
88 | return true; | |
89 | } |
|
89 | } | |
90 |
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90 | |||
91 | /*! |
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91 | /*! | |
92 | \enum QPieSeries::PiePosition |
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92 | \enum QPieSeries::PiePosition | |
93 |
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93 | |||
94 | This enum describes pie position within its bounding rectangle |
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94 | This enum describes pie position within its bounding rectangle | |
95 |
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95 | |||
96 | \value PiePositionMaximized |
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96 | \value PiePositionMaximized | |
97 | \value PiePositionTopLeft |
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97 | \value PiePositionTopLeft | |
98 | \value PiePositionTopRight |
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98 | \value PiePositionTopRight | |
99 | \value PiePositionBottomLeft |
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99 | \value PiePositionBottomLeft | |
100 | \value PiePositionBottomRight |
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100 | \value PiePositionBottomRight | |
101 | */ |
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101 | */ | |
102 |
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102 | |||
103 | /*! |
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103 | /*! | |
104 | \class QPieSeries |
|
104 | \class QPieSeries | |
105 | \brief Pie series API for QtCommercial Charts |
|
105 | \brief Pie series API for QtCommercial Charts | |
106 |
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106 | |||
107 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. |
|
107 | The pie series defines a pie chart which consists of pie slices which are QPieSlice objects. | |
108 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. |
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108 | The slices can have any values as the QPieSeries will calculate its relative value to the sum of all slices. | |
109 | The actual slice size is determined by that relative value. |
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109 | The actual slice size is determined by that relative value. | |
110 |
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110 | |||
111 | By default the pie is defined as a full pie but it can be a partial pie. |
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111 | By default the pie is defined as a full pie but it can be a partial pie. | |
112 | This can be done by setting a starting angle and angle span to the series. |
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112 | This can be done by setting a starting angle and angle span to the series. | |
113 |
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113 | |||
114 | To help with the most common user interaction scenarions there some convenience functions. |
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114 | To help with the most common user interaction scenarions there some convenience functions. | |
115 | Like exploding a slice when clicked and higlighting when user hovers over a slice. |
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115 | Like exploding a slice when clicked and higlighting when user hovers over a slice. | |
116 | */ |
|
116 | */ | |
117 |
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117 | |||
118 | /*! |
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118 | /*! | |
119 | Constructs a series object which is a child of \a parent. |
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119 | Constructs a series object which is a child of \a parent. | |
120 | */ |
|
120 | */ | |
121 | QPieSeries::QPieSeries(QObject *parent) : |
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121 | QPieSeries::QPieSeries(QObject *parent) : | |
122 | QSeries(parent), |
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122 | QSeries(parent), | |
123 | m_sizeFactor(1.0), |
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123 | m_sizeFactor(1.0), | |
124 | m_position(PiePositionMaximized), |
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124 | m_position(PiePositionMaximized), | |
125 | m_pieStartAngle(0), |
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125 | m_pieStartAngle(0), | |
126 | m_pieAngleSpan(360) |
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126 | m_pieAngleSpan(360) | |
127 | { |
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127 | { | |
128 |
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128 | |||
129 | } |
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129 | } | |
130 |
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130 | |||
131 | /*! |
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131 | /*! | |
132 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. |
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132 | Destroys the object. Note that adding series to QChart transfers the ownership to the chart. | |
133 | */ |
|
133 | */ | |
134 | QPieSeries::~QPieSeries() |
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134 | QPieSeries::~QPieSeries() | |
135 | { |
|
135 | { | |
136 |
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136 | |||
137 | } |
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137 | } | |
138 |
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138 | |||
139 | /*! |
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139 | /*! | |
140 | Returns QChartSeries::SeriesTypePie. |
|
140 | Returns QChartSeries::SeriesTypePie. | |
141 | */ |
|
141 | */ | |
142 | QSeries::QSeriesType QPieSeries::type() const |
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142 | QSeries::QSeriesType QPieSeries::type() const | |
143 | { |
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143 | { | |
144 | return QSeries::SeriesTypePie; |
|
144 | return QSeries::SeriesTypePie; | |
145 | } |
|
145 | } | |
146 |
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146 | |||
147 | /*! |
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147 | /*! | |
148 | Sets an array of \a slices to the series replacing the existing slices. |
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148 | Sets an array of \a slices to the series replacing the existing slices. | |
149 | Slice ownership is passed to the series. |
|
149 | Slice ownership is passed to the series. | |
150 | */ |
|
150 | */ | |
151 | void QPieSeries::replace(QList<QPieSlice*> slices) |
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151 | void QPieSeries::replace(QList<QPieSlice*> slices) | |
152 | { |
|
152 | { | |
153 | clear(); |
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153 | clear(); | |
154 | add(slices); |
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154 | add(slices); | |
155 | } |
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155 | } | |
156 |
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156 | |||
157 | /*! |
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157 | /*! | |
158 | Adds an array of \a slices to the series. |
|
158 | Adds an array of \a slices to the series. | |
159 | Slice ownership is passed to the series. |
|
159 | Slice ownership is passed to the series. | |
160 | */ |
|
160 | */ | |
161 | void QPieSeries::add(QList<QPieSlice*> slices) |
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161 | void QPieSeries::add(QList<QPieSlice*> slices) | |
162 | { |
|
162 | { | |
163 | ChangeSet changeSet; |
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163 | ChangeSet changeSet; | |
164 | foreach (QPieSlice* s, slices) { |
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164 | foreach (QPieSlice* s, slices) { | |
165 | s->setParent(this); |
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165 | s->setParent(this); | |
166 | m_slices << s; |
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166 | m_slices << s; | |
167 | changeSet.appendAdded(s); |
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167 | changeSet.appendAdded(s); | |
168 | } |
|
168 | } | |
169 |
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169 | |||
170 | updateDerivativeData(); |
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170 | updateDerivativeData(); | |
171 |
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171 | |||
172 | foreach (QPieSlice* s, slices) { |
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172 | foreach (QPieSlice* s, slices) { | |
173 | connect(s, SIGNAL(changed()), this, SLOT(sliceChanged())); |
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173 | connect(s, SIGNAL(changed()), this, SLOT(sliceChanged())); | |
174 | connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked())); |
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174 | connect(s, SIGNAL(clicked()), this, SLOT(sliceClicked())); | |
175 | connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); |
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175 | connect(s, SIGNAL(hoverEnter()), this, SLOT(sliceHoverEnter())); | |
176 | connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); |
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176 | connect(s, SIGNAL(hoverLeave()), this, SLOT(sliceHoverLeave())); | |
177 | } |
|
177 | } | |
178 |
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178 | |||
179 | emit changed(changeSet); |
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179 | emit changed(changeSet); | |
180 | } |
|
180 | } | |
181 |
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181 | |||
182 | /*! |
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182 | /*! | |
183 | Adds a single \a slice to the series. |
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183 | Adds a single \a slice to the series. | |
184 | Slice ownership is passed to the series. |
|
184 | Slice ownership is passed to the series. | |
185 | */ |
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185 | */ | |
186 | void QPieSeries::add(QPieSlice* slice) |
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186 | void QPieSeries::add(QPieSlice* slice) | |
187 | { |
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187 | { | |
188 | add(QList<QPieSlice*>() << slice); |
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188 | add(QList<QPieSlice*>() << slice); | |
189 | } |
|
189 | } | |
190 |
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190 | |||
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191 | QPieSeries& QPieSeries::operator << (QPieSlice* slice) | |||
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192 | { | |||
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193 | add(slice); | |||
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194 | return *this; | |||
|
195 | } | |||
|
196 | ||||
191 |
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197 | |||
192 | /*! |
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198 | /*! | |
193 | Adds a single slice to the series with give \a value and \a name. |
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199 | Adds a single slice to the series with give \a value and \a name. | |
194 | Slice ownership is passed to the series. |
|
200 | Slice ownership is passed to the series. | |
195 | */ |
|
201 | */ | |
196 | QPieSlice* QPieSeries::add(qreal value, QString name) |
|
202 | QPieSlice* QPieSeries::add(qreal value, QString name) | |
197 | { |
|
203 | { | |
198 | QPieSlice* slice = new QPieSlice(value, name); |
|
204 | QPieSlice* slice = new QPieSlice(value, name); | |
199 | add(slice); |
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205 | add(slice); | |
200 | return slice; |
|
206 | return slice; | |
201 | } |
|
207 | } | |
202 |
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208 | |||
203 | /*! |
|
209 | /*! | |
204 | Removes a single \a slice from the series and deletes the slice. |
|
210 | Removes a single \a slice from the series and deletes the slice. | |
205 |
|
211 | |||
206 | Do not reference this pointer after this call. |
|
212 | Do not reference this pointer after this call. | |
207 | */ |
|
213 | */ | |
208 | void QPieSeries::remove(QPieSlice* slice) |
|
214 | void QPieSeries::remove(QPieSlice* slice) | |
209 | { |
|
215 | { | |
210 | if (!m_slices.removeOne(slice)) { |
|
216 | if (!m_slices.removeOne(slice)) { | |
211 | Q_ASSERT(0); // TODO: how should this be reported? |
|
217 | Q_ASSERT(0); // TODO: how should this be reported? | |
212 | return; |
|
218 | return; | |
213 | } |
|
219 | } | |
214 |
|
220 | |||
215 | ChangeSet changeSet; |
|
221 | ChangeSet changeSet; | |
216 | changeSet.appendRemoved(slice); |
|
222 | changeSet.appendRemoved(slice); | |
217 | emit changed(changeSet); |
|
223 | emit changed(changeSet); | |
218 |
|
224 | |||
219 | delete slice; |
|
225 | delete slice; | |
220 | slice = NULL; |
|
226 | slice = NULL; | |
221 |
|
227 | |||
222 | updateDerivativeData(); |
|
228 | updateDerivativeData(); | |
223 | } |
|
229 | } | |
224 |
|
230 | |||
225 | /*! |
|
231 | /*! | |
226 | Clears all slices from the series. |
|
232 | Clears all slices from the series. | |
227 | */ |
|
233 | */ | |
228 | void QPieSeries::clear() |
|
234 | void QPieSeries::clear() | |
229 | { |
|
235 | { | |
230 | if (m_slices.count() == 0) |
|
236 | if (m_slices.count() == 0) | |
231 | return; |
|
237 | return; | |
232 |
|
238 | |||
233 | ChangeSet changeSet; |
|
239 | ChangeSet changeSet; | |
234 | foreach (QPieSlice* s, m_slices) { |
|
240 | foreach (QPieSlice* s, m_slices) { | |
235 | changeSet.appendRemoved(s); |
|
241 | changeSet.appendRemoved(s); | |
236 | m_slices.removeOne(s); |
|
242 | m_slices.removeOne(s); | |
237 | delete s; |
|
243 | delete s; | |
238 | } |
|
244 | } | |
239 | emit changed(changeSet); |
|
245 | emit changed(changeSet); | |
240 | updateDerivativeData(); |
|
246 | updateDerivativeData(); | |
241 | } |
|
247 | } | |
242 |
|
248 | |||
243 | /*! |
|
249 | /*! | |
244 | Counts the number of the slices in this series. |
|
250 | Counts the number of the slices in this series. | |
245 | */ |
|
251 | */ | |
246 | int QPieSeries::count() const |
|
252 | int QPieSeries::count() const | |
247 | { |
|
253 | { | |
248 | return m_slices.count(); |
|
254 | return m_slices.count(); | |
249 | } |
|
255 | } | |
250 |
|
256 | |||
251 | /*! |
|
257 | /*! | |
252 | Returns a list of slices that belong to this series. |
|
258 | Returns a list of slices that belong to this series. | |
253 | */ |
|
259 | */ | |
254 | QList<QPieSlice*> QPieSeries::slices() const |
|
260 | QList<QPieSlice*> QPieSeries::slices() const | |
255 | { |
|
261 | { | |
256 | return m_slices; |
|
262 | return m_slices; | |
257 | } |
|
263 | } | |
258 |
|
264 | |||
259 | /*! |
|
265 | /*! | |
260 | Sets the size \a factor of the pie. 1.0 is the default value. |
|
266 | Sets the size \a factor of the pie. 1.0 is the default value. | |
261 | Note that the pie will not grow beyond its absolute maximum size. |
|
267 | Note that the pie will not grow beyond its absolute maximum size. | |
262 | In practice its use is to make the pie appear smaller. |
|
268 | In practice its use is to make the pie appear smaller. | |
263 | \sa sizeFactor() |
|
269 | \sa sizeFactor() | |
264 | */ |
|
270 | */ | |
265 | void QPieSeries::setSizeFactor(qreal factor) |
|
271 | void QPieSeries::setSizeFactor(qreal factor) | |
266 | { |
|
272 | { | |
267 | if (factor < 0.0) |
|
273 | if (factor < 0.0) | |
268 | return; |
|
274 | return; | |
269 |
|
275 | |||
270 | if (m_sizeFactor != factor) { |
|
276 | if (m_sizeFactor != factor) { | |
271 | m_sizeFactor = factor; |
|
277 | m_sizeFactor = factor; | |
272 | emit sizeFactorChanged(); |
|
278 | emit sizeFactorChanged(); | |
273 | } |
|
279 | } | |
274 | } |
|
280 | } | |
275 |
|
281 | |||
276 | /*! |
|
282 | /*! | |
277 | Gets the size factor of the pie. |
|
283 | Gets the size factor of the pie. | |
278 | \sa setSizeFactor() |
|
284 | \sa setSizeFactor() | |
279 | */ |
|
285 | */ | |
280 | qreal QPieSeries::sizeFactor() const |
|
286 | qreal QPieSeries::sizeFactor() const | |
281 | { |
|
287 | { | |
282 | return m_sizeFactor; |
|
288 | return m_sizeFactor; | |
283 | } |
|
289 | } | |
284 |
|
290 | |||
285 | /*! |
|
291 | /*! | |
286 | Sets the \a position of the pie within its bounding rectangle. |
|
292 | Sets the \a position of the pie within its bounding rectangle. | |
287 | \sa PiePosition, position() |
|
293 | \sa PiePosition, position() | |
288 | */ |
|
294 | */ | |
289 | void QPieSeries::setPosition(PiePosition position) |
|
295 | void QPieSeries::setPosition(PiePosition position) | |
290 | { |
|
296 | { | |
291 | if (m_position != position) { |
|
297 | if (m_position != position) { | |
292 | m_position = position; |
|
298 | m_position = position; | |
293 | emit positionChanged(); |
|
299 | emit positionChanged(); | |
294 | } |
|
300 | } | |
295 | } |
|
301 | } | |
296 |
|
302 | |||
297 | /*! |
|
303 | /*! | |
298 | Gets the position of the pie within its bounding rectangle. |
|
304 | Gets the position of the pie within its bounding rectangle. | |
299 | \sa PiePosition, setPosition() |
|
305 | \sa PiePosition, setPosition() | |
300 | */ |
|
306 | */ | |
301 | QPieSeries::PiePosition QPieSeries::position() const |
|
307 | QPieSeries::PiePosition QPieSeries::position() const | |
302 | { |
|
308 | { | |
303 | return m_position; |
|
309 | return m_position; | |
304 | } |
|
310 | } | |
305 |
|
311 | |||
306 |
|
312 | |||
307 | /*! |
|
313 | /*! | |
308 | Sets the \a startAngle and \a angleSpan of this series. |
|
314 | Sets the \a startAngle and \a angleSpan of this series. | |
309 |
|
315 | |||
310 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. |
|
316 | Full pie is 360 degrees where 0 degrees is at 12 a'clock. | |
311 | */ |
|
317 | */ | |
312 | void QPieSeries::setSpan(qreal startAngle, qreal angleSpan) |
|
318 | void QPieSeries::setSpan(qreal startAngle, qreal angleSpan) | |
313 | { |
|
319 | { | |
314 | if (startAngle >= 0 && startAngle < 360 && |
|
320 | if (startAngle >= 0 && startAngle < 360 && | |
315 | angleSpan > 0 && angleSpan <= 360) { |
|
321 | angleSpan > 0 && angleSpan <= 360) { | |
316 | m_pieStartAngle = startAngle; |
|
322 | m_pieStartAngle = startAngle; | |
317 | m_pieAngleSpan = angleSpan; |
|
323 | m_pieAngleSpan = angleSpan; | |
318 | updateDerivativeData(); |
|
324 | updateDerivativeData(); | |
319 | } |
|
325 | } | |
320 | } |
|
326 | } | |
321 |
|
327 | |||
322 | /*! |
|
328 | /*! | |
323 | Sets the all the slice labels \a visible or invisible. |
|
329 | Sets the all the slice labels \a visible or invisible. | |
324 |
|
330 | |||
325 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() |
|
331 | \sa QPieSlice::isLabelVisible(), QPieSlice::setLabelVisible() | |
326 | */ |
|
332 | */ | |
327 | void QPieSeries::setLabelsVisible(bool visible) |
|
333 | void QPieSeries::setLabelsVisible(bool visible) | |
328 | { |
|
334 | { | |
329 | foreach (QPieSlice* s, m_slices) |
|
335 | foreach (QPieSlice* s, m_slices) | |
330 | s->setLabelVisible(visible); |
|
336 | s->setLabelVisible(visible); | |
331 | } |
|
337 | } | |
332 |
|
338 | |||
333 | /*! |
|
339 | /*! | |
334 | Convenience method for exploding a slice when user clicks the pie. Set \a enable to true to |
|
340 | Convenience method for exploding a slice when user clicks the pie. Set \a enable to true to | |
335 | explode slices by clicking. |
|
341 | explode slices by clicking. | |
336 |
|
342 | |||
337 | \sa QPieSlice::isExploded(), QPieSlice::setExploded(), QPieSlice::setExplodeDistance() |
|
343 | \sa QPieSlice::isExploded(), QPieSlice::setExploded(), QPieSlice::setExplodeDistance() | |
338 | */ |
|
344 | */ | |
339 | void QPieSeries::setClickExplodes(bool enable) |
|
345 | void QPieSeries::setClickExplodes(bool enable) | |
340 | { |
|
346 | { | |
341 | if (enable) |
|
347 | if (enable) | |
342 | connect(this, SIGNAL(clicked(QPieSlice*)), this, SLOT(toggleExploded(QPieSlice*))); |
|
348 | connect(this, SIGNAL(clicked(QPieSlice*)), this, SLOT(toggleExploded(QPieSlice*))); | |
343 | else |
|
349 | else | |
344 | disconnect(this, SLOT(toggleExploded(QPieSlice*))); |
|
350 | disconnect(this, SLOT(toggleExploded(QPieSlice*))); | |
345 | } |
|
351 | } | |
346 |
|
352 | |||
347 | /*! |
|
353 | /*! | |
348 | Convenience method for highlighting a slice when user hovers over the slice. |
|
354 | Convenience method for highlighting a slice when user hovers over the slice. | |
349 | It changes the slice color to be lighter and shows the label of the slice. |
|
355 | It changes the slice color to be lighter and shows the label of the slice. | |
350 | Set \a enable to true to highlight a slice when user hovers on top of it. |
|
356 | Set \a enable to true to highlight a slice when user hovers on top of it. | |
351 |
|
||||
352 | \sa QPieSlice::isExploded(), QPieSlice::setExploded() |
|
|||
353 | */ |
|
357 | */ | |
354 |
|
||||
355 | void QPieSeries::setHoverHighlighting(bool enable) |
|
358 | void QPieSeries::setHoverHighlighting(bool enable) | |
356 | { |
|
359 | { | |
357 | if (enable) { |
|
360 | if (enable) { | |
358 | connect(this, SIGNAL(hoverEnter(QPieSlice*)), this, SLOT(highlightOn(QPieSlice*))); |
|
361 | connect(this, SIGNAL(hoverEnter(QPieSlice*)), this, SLOT(highlightOn(QPieSlice*))); | |
359 | connect(this, SIGNAL(hoverLeave(QPieSlice*)), this, SLOT(highlightOff(QPieSlice*))); |
|
362 | connect(this, SIGNAL(hoverLeave(QPieSlice*)), this, SLOT(highlightOff(QPieSlice*))); | |
360 | } else { |
|
363 | } else { | |
361 | disconnect(this, SLOT(hoverEnter(QPieSlice*))); |
|
364 | disconnect(this, SLOT(hoverEnter(QPieSlice*))); | |
362 | disconnect(this, SLOT(hoverLeave(QPieSlice*))); |
|
365 | disconnect(this, SLOT(hoverLeave(QPieSlice*))); | |
363 | } |
|
366 | } | |
364 | } |
|
367 | } | |
365 |
|
368 | |||
366 | /*! |
|
369 | /*! | |
|
370 | Returns the sum of all slice values in this series. | |||
|
371 | ||||
|
372 | \sa QPieSlice::value(), QPieSlice::setValue() | |||
|
373 | */ | |||
|
374 | qreal QPieSeries::total() const | |||
|
375 | { | |||
|
376 | return m_total; | |||
|
377 | } | |||
|
378 | ||||
|
379 | /*! | |||
367 | \fn void QPieSeries::changed(const QPieSeries::ChangeSet& changeSet) |
|
380 | \fn void QPieSeries::changed(const QPieSeries::ChangeSet& changeSet) | |
368 |
|
381 | |||
369 | This signal emitted when something has changed in the series. |
|
382 | This signal emitted when something has changed in the series. | |
370 | The \a changeSet contains the details of which slices have been added, changed or removed. |
|
383 | The \a changeSet contains the details of which slices have been added, changed or removed. | |
371 |
|
384 | |||
372 | \sa QPieSeries::ChangeSet, QPieSlice::changed() |
|
385 | \sa QPieSeries::ChangeSet, QPieSlice::changed() | |
373 | */ |
|
386 | */ | |
374 |
|
387 | |||
375 | /*! |
|
388 | /*! | |
376 | \fn void QPieSeries::clicked(QPieSlice* slice) |
|
389 | \fn void QPieSeries::clicked(QPieSlice* slice) | |
377 |
|
390 | |||
378 | This signal is emitted when a \a slice has been clicked. |
|
391 | This signal is emitted when a \a slice has been clicked. | |
379 |
|
392 | |||
380 | \sa QPieSlice::clicked() |
|
393 | \sa QPieSlice::clicked() | |
381 | */ |
|
394 | */ | |
382 |
|
395 | |||
383 | /*! |
|
396 | /*! | |
384 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) |
|
397 | \fn void QPieSeries::hoverEnter(QPieSlice* slice) | |
385 |
|
398 | |||
386 | This signal is emitted when user has hovered over a \a slice. |
|
399 | This signal is emitted when user has hovered over a \a slice. | |
387 |
|
400 | |||
388 | \sa QPieSlice::hoverEnter() |
|
401 | \sa QPieSlice::hoverEnter() | |
389 | */ |
|
402 | */ | |
390 |
|
403 | |||
391 | /*! |
|
404 | /*! | |
392 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) |
|
405 | \fn void QPieSeries::hoverLeave(QPieSlice* slice) | |
393 |
|
406 | |||
394 | This signal is emitted when user has hovered away from a \a slice. |
|
407 | This signal is emitted when user has hovered away from a \a slice. | |
395 |
|
408 | |||
396 | \sa QPieSlice::hoverLeave() |
|
409 | \sa QPieSlice::hoverLeave() | |
397 | */ |
|
410 | */ | |
398 |
|
411 | |||
399 | /*! |
|
412 | /*! | |
400 | \fn void QPieSeries::sizeFactorChanged() |
|
413 | \fn void QPieSeries::sizeFactorChanged() | |
401 |
|
414 | |||
402 | This signal is emitted when size factor has been changed. |
|
415 | This signal is emitted when size factor has been changed. | |
403 |
|
416 | |||
404 | \sa sizeFactor(), setSizeFactor() |
|
417 | \sa sizeFactor(), setSizeFactor() | |
405 | */ |
|
418 | */ | |
406 |
|
419 | |||
407 | /*! |
|
420 | /*! | |
408 | \fn void QPieSeries::positionChanged() |
|
421 | \fn void QPieSeries::positionChanged() | |
409 |
|
422 | |||
410 | This signal is emitted when position of the pie has been changed. |
|
423 | This signal is emitted when position of the pie has been changed. | |
411 |
|
424 | |||
412 | \sa position(), setPosition() |
|
425 | \sa position(), setPosition() | |
413 | */ |
|
426 | */ | |
414 |
|
427 | |||
415 | void QPieSeries::sliceChanged() |
|
428 | void QPieSeries::sliceChanged() | |
416 | { |
|
429 | { | |
417 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
430 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
418 | Q_ASSERT(m_slices.contains(slice)); |
|
431 | Q_ASSERT(m_slices.contains(slice)); | |
419 |
|
432 | |||
420 | ChangeSet changeSet; |
|
433 | ChangeSet changeSet; | |
421 | changeSet.appendChanged(slice); |
|
434 | changeSet.appendChanged(slice); | |
422 | emit changed(changeSet); |
|
435 | emit changed(changeSet); | |
423 |
|
436 | |||
424 | updateDerivativeData(); |
|
437 | updateDerivativeData(); | |
425 | } |
|
438 | } | |
426 |
|
439 | |||
427 | void QPieSeries::sliceClicked() |
|
440 | void QPieSeries::sliceClicked() | |
428 | { |
|
441 | { | |
429 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
442 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
430 | Q_ASSERT(m_slices.contains(slice)); |
|
443 | Q_ASSERT(m_slices.contains(slice)); | |
431 | emit clicked(slice); |
|
444 | emit clicked(slice); | |
432 | } |
|
445 | } | |
433 |
|
446 | |||
434 | void QPieSeries::sliceHoverEnter() |
|
447 | void QPieSeries::sliceHoverEnter() | |
435 | { |
|
448 | { | |
436 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
449 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
437 | Q_ASSERT(m_slices.contains(slice)); |
|
450 | Q_ASSERT(m_slices.contains(slice)); | |
438 | emit hoverEnter(slice); |
|
451 | emit hoverEnter(slice); | |
439 | } |
|
452 | } | |
440 |
|
453 | |||
441 | void QPieSeries::sliceHoverLeave() |
|
454 | void QPieSeries::sliceHoverLeave() | |
442 | { |
|
455 | { | |
443 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); |
|
456 | QPieSlice* slice = qobject_cast<QPieSlice *>(sender()); | |
444 | Q_ASSERT(m_slices.contains(slice)); |
|
457 | Q_ASSERT(m_slices.contains(slice)); | |
445 | emit hoverLeave(slice); |
|
458 | emit hoverLeave(slice); | |
446 | } |
|
459 | } | |
447 |
|
460 | |||
448 | void QPieSeries::toggleExploded(QPieSlice* slice) |
|
461 | void QPieSeries::toggleExploded(QPieSlice* slice) | |
449 | { |
|
462 | { | |
450 | Q_ASSERT(slice); |
|
463 | Q_ASSERT(slice); | |
451 | slice->setExploded(!slice->isExploded()); |
|
464 | slice->setExploded(!slice->isExploded()); | |
452 | } |
|
465 | } | |
453 |
|
466 | |||
454 | void QPieSeries::highlightOn(QPieSlice* slice) |
|
467 | void QPieSeries::highlightOn(QPieSlice* slice) | |
455 | { |
|
468 | { | |
456 | Q_ASSERT(slice); |
|
469 | Q_ASSERT(slice); | |
457 | QColor c = slice->brush().color().lighter(); |
|
470 | QColor c = slice->brush().color().lighter(); | |
458 | slice->setBrush(c); |
|
471 | slice->setBrush(c); | |
459 | slice->setLabelVisible(true); |
|
|||
460 | } |
|
472 | } | |
461 |
|
473 | |||
462 | void QPieSeries::highlightOff(QPieSlice* slice) |
|
474 | void QPieSeries::highlightOff(QPieSlice* slice) | |
463 | { |
|
475 | { | |
464 | Q_ASSERT(slice); |
|
476 | Q_ASSERT(slice); | |
465 | QColor c = slice->brush().color().darker(150); |
|
477 | QColor c = slice->brush().color().darker(150); | |
466 | slice->setBrush(c); |
|
478 | slice->setBrush(c); | |
467 | slice->setLabelVisible(false); |
|
|||
468 | } |
|
479 | } | |
469 |
|
480 | |||
470 | void QPieSeries::updateDerivativeData() |
|
481 | void QPieSeries::updateDerivativeData() | |
471 | { |
|
482 | { | |
472 | m_total = 0; |
|
483 | m_total = 0; | |
473 |
|
484 | |||
474 | // nothing to do? |
|
485 | // nothing to do? | |
475 | if (m_slices.count() == 0) |
|
486 | if (m_slices.count() == 0) | |
476 | return; |
|
487 | return; | |
477 |
|
488 | |||
478 | // calculate total |
|
489 | // calculate total | |
479 | foreach (QPieSlice* s, m_slices) |
|
490 | foreach (QPieSlice* s, m_slices) | |
480 | m_total += s->value(); |
|
491 | m_total += s->value(); | |
481 |
|
492 | |||
482 | // we must have some values |
|
493 | // we must have some values | |
|
494 | if (m_total == 0) { | |||
|
495 | qDebug() << "QPieSeries::updateDerivativeData() total == 0"; | |||
483 | Q_ASSERT(m_total > 0); // TODO: is this the correct way to handle this? |
|
496 | Q_ASSERT(m_total > 0); // TODO: is this the correct way to handle this? | |
|
497 | } | |||
484 |
|
498 | |||
485 | // update slice attributes |
|
499 | // update slice attributes | |
486 | qreal sliceAngle = m_pieStartAngle; |
|
500 | qreal sliceAngle = m_pieStartAngle; | |
487 | foreach (QPieSlice* s, m_slices) { |
|
501 | foreach (QPieSlice* s, m_slices) { | |
488 |
|
502 | |||
489 | bool changed = false; |
|
503 | bool changed = false; | |
490 |
|
504 | |||
491 | qreal percentage = s->value() / m_total; |
|
505 | qreal percentage = s->value() / m_total; | |
492 | if (s->m_percentage != percentage) { |
|
506 | if (s->m_percentage != percentage) { | |
493 | s->m_percentage = percentage; |
|
507 | s->m_percentage = percentage; | |
494 | changed = true; |
|
508 | changed = true; | |
495 | } |
|
509 | } | |
496 |
|
510 | |||
497 | qreal sliceSpan = m_pieAngleSpan * percentage; |
|
511 | qreal sliceSpan = m_pieAngleSpan * percentage; | |
498 | if (s->m_angleSpan != sliceSpan) { |
|
512 | if (s->m_angleSpan != sliceSpan) { | |
499 | s->m_angleSpan = sliceSpan; |
|
513 | s->m_angleSpan = sliceSpan; | |
500 | changed = true; |
|
514 | changed = true; | |
501 | } |
|
515 | } | |
502 |
|
516 | |||
503 | if (s->m_startAngle != sliceAngle) { |
|
517 | if (s->m_startAngle != sliceAngle) { | |
504 | s->m_startAngle = sliceAngle; |
|
518 | s->m_startAngle = sliceAngle; | |
505 | changed = true; |
|
519 | changed = true; | |
506 | } |
|
520 | } | |
507 | sliceAngle += sliceSpan; |
|
521 | sliceAngle += sliceSpan; | |
508 |
|
522 | |||
509 | if (changed) |
|
523 | if (changed) | |
510 | emit s->changed(); |
|
524 | emit s->changed(); | |
511 | } |
|
525 | } | |
512 | } |
|
526 | } | |
513 |
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527 | |||
514 | #include "moc_qpieseries.cpp" |
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528 | #include "moc_qpieseries.cpp" | |
515 |
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529 | |||
516 | QTCOMMERCIALCHART_END_NAMESPACE |
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530 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,129 +1,132 | |||||
1 | #ifndef PIESERIES_H |
|
1 | #ifndef PIESERIES_H | |
2 | #define PIESERIES_H |
|
2 | #define PIESERIES_H | |
3 |
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3 | |||
4 | #include "qseries.h" |
|
4 | #include "qseries.h" | |
5 | #include <QObject> |
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5 | #include <QObject> | |
6 | #include <QRectF> |
|
6 | #include <QRectF> | |
7 | #include <QColor> |
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7 | #include <QColor> | |
8 | #include <QPen> |
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8 | #include <QPen> | |
9 | #include <QBrush> |
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9 | #include <QBrush> | |
10 | #include <QSignalMapper> |
|
10 | #include <QSignalMapper> | |
11 |
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11 | |||
12 | class QGraphicsObject; |
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12 | class QGraphicsObject; | |
13 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
13 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
14 | class PiePresenter; |
|
14 | class PiePresenter; | |
15 | class PieSlice; |
|
15 | class PieSlice; | |
16 | class QPieSlice; |
|
16 | class QPieSlice; | |
17 |
|
17 | |||
18 | class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries |
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18 | class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries | |
19 | { |
|
19 | { | |
20 | Q_OBJECT |
|
20 | Q_OBJECT | |
21 |
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21 | |||
22 | public: |
|
22 | public: | |
23 | enum PiePosition { |
|
23 | enum PiePosition { | |
24 | PiePositionMaximized = 0, |
|
24 | PiePositionMaximized = 0, | |
25 | PiePositionTopLeft, |
|
25 | PiePositionTopLeft, | |
26 | PiePositionTopRight, |
|
26 | PiePositionTopRight, | |
27 | PiePositionBottomLeft, |
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27 | PiePositionBottomLeft, | |
28 | PiePositionBottomRight |
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28 | PiePositionBottomRight | |
29 | }; |
|
29 | }; | |
30 |
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30 | |||
31 | class ChangeSet |
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31 | class ChangeSet | |
32 | { |
|
32 | { | |
33 | public: |
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33 | public: | |
34 |
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34 | |||
35 | // TODO: these should not really be exposed to the public API |
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35 | // TODO: these should not really be exposed to the public API | |
36 | void appendAdded(QPieSlice* slice); |
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36 | void appendAdded(QPieSlice* slice); | |
37 | void appendAdded(QList<QPieSlice*> slices); |
|
37 | void appendAdded(QList<QPieSlice*> slices); | |
38 | void appendChanged(QPieSlice* slice); |
|
38 | void appendChanged(QPieSlice* slice); | |
39 | void appendRemoved(QPieSlice* slice); |
|
39 | void appendRemoved(QPieSlice* slice); | |
40 |
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40 | |||
41 | QList<QPieSlice*> added() const; |
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41 | QList<QPieSlice*> added() const; | |
42 | QList<QPieSlice*> changed() const; |
|
42 | QList<QPieSlice*> changed() const; | |
43 | QList<QPieSlice*> removed() const; |
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43 | QList<QPieSlice*> removed() const; | |
44 |
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44 | |||
45 | bool isEmpty() const; |
|
45 | bool isEmpty() const; | |
46 |
|
46 | |||
47 | private: |
|
47 | private: | |
48 | QList<QPieSlice*> m_added; |
|
48 | QList<QPieSlice*> m_added; | |
49 | QList<QPieSlice*> m_changed; |
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49 | QList<QPieSlice*> m_changed; | |
50 | QList<QPieSlice*> m_removed; |
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50 | QList<QPieSlice*> m_removed; | |
51 | }; |
|
51 | }; | |
52 |
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52 | |||
53 | public: |
|
53 | public: | |
54 | QPieSeries(QObject *parent = 0); |
|
54 | QPieSeries(QObject *parent = 0); | |
55 | virtual ~QPieSeries(); |
|
55 | virtual ~QPieSeries(); | |
56 |
|
56 | |||
57 | public: // from QChartSeries |
|
57 | public: // from QChartSeries | |
58 | QSeriesType type() const; |
|
58 | QSeriesType type() const; | |
59 |
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59 | |||
60 | public: |
|
60 | public: | |
61 | void replace(QList<QPieSlice*> slices); |
|
61 | void replace(QList<QPieSlice*> slices); | |
62 | void add(QList<QPieSlice*> slices); |
|
62 | void add(QList<QPieSlice*> slices); | |
63 | void add(QPieSlice* slice); |
|
63 | void add(QPieSlice* slice); | |
64 | QPieSlice* add(qreal value, QString name); |
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64 | QPieSlice* add(qreal value, QString name); | |
|
65 | QPieSeries& operator << (QPieSlice* slice); | |||
65 | void remove(QPieSlice* slice); |
|
66 | void remove(QPieSlice* slice); | |
66 | void clear(); |
|
67 | void clear(); | |
67 |
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68 | |||
68 | int count() const; |
|
69 | int count() const; | |
69 | QList<QPieSlice*> slices() const; |
|
70 | QList<QPieSlice*> slices() const; | |
70 |
|
71 | |||
71 | void setSizeFactor(qreal sizeFactor); |
|
72 | void setSizeFactor(qreal sizeFactor); | |
72 | qreal sizeFactor() const; |
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73 | qreal sizeFactor() const; | |
73 | void setPosition(PiePosition position); |
|
74 | void setPosition(PiePosition position); | |
74 | PiePosition position() const; |
|
75 | PiePosition position() const; | |
75 | void setSpan(qreal startAngle, qreal angleSpan); |
|
76 | void setSpan(qreal startAngle, qreal angleSpan); | |
76 |
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77 | |||
77 | void setLabelsVisible(bool visible = true); |
|
78 | void setLabelsVisible(bool visible = true); | |
78 | void setClickExplodes(bool enable = true); |
|
79 | void setClickExplodes(bool enable = true); | |
79 | void setHoverHighlighting(bool enable = true); |
|
80 | void setHoverHighlighting(bool enable = true); | |
80 |
|
81 | |||
|
82 | qreal total() const; | |||
|
83 | ||||
81 | // TODO: find slices? |
|
84 | // TODO: find slices? | |
82 | // QList<QPieSlice*> findByValue(qreal value); |
|
85 | // QList<QPieSlice*> findByValue(qreal value); | |
83 | // ... |
|
86 | // ... | |
84 |
|
87 | |||
85 | // TODO: sorting slices? |
|
88 | // TODO: sorting slices? | |
86 | // void sort(QPieSeries::SortByValue|label|??) |
|
89 | // void sort(QPieSeries::SortByValue|label|??) | |
87 |
|
90 | |||
88 | // TODO: general graphics customization |
|
91 | // TODO: general graphics customization | |
89 | // setDrawStyle(2d|3d) |
|
92 | // setDrawStyle(2d|3d) | |
90 | // setDropShadows(bool) |
|
93 | // setDropShadows(bool) | |
91 |
|
94 | |||
92 | Q_SIGNALS: |
|
95 | Q_SIGNALS: | |
93 | void changed(const QPieSeries::ChangeSet& changeSet); |
|
96 | void changed(const QPieSeries::ChangeSet& changeSet); | |
94 | void clicked(QPieSlice* slice); |
|
97 | void clicked(QPieSlice* slice); | |
95 | void hoverEnter(QPieSlice* slice); |
|
98 | void hoverEnter(QPieSlice* slice); | |
96 | void hoverLeave(QPieSlice* slice); |
|
99 | void hoverLeave(QPieSlice* slice); | |
97 | void sizeFactorChanged(); |
|
100 | void sizeFactorChanged(); | |
98 | void positionChanged(); |
|
101 | void positionChanged(); | |
99 |
|
102 | |||
100 | private Q_SLOTS: // TODO: should be private and not visible in the interface at all |
|
103 | private Q_SLOTS: // TODO: should be private and not visible in the interface at all | |
101 | void sliceChanged(); |
|
104 | void sliceChanged(); | |
102 | void sliceClicked(); |
|
105 | void sliceClicked(); | |
103 | void sliceHoverEnter(); |
|
106 | void sliceHoverEnter(); | |
104 | void sliceHoverLeave(); |
|
107 | void sliceHoverLeave(); | |
105 | void toggleExploded(QPieSlice* slice); |
|
108 | void toggleExploded(QPieSlice* slice); | |
106 | void highlightOn(QPieSlice* slice); |
|
109 | void highlightOn(QPieSlice* slice); | |
107 | void highlightOff(QPieSlice* slice); |
|
110 | void highlightOff(QPieSlice* slice); | |
108 |
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111 | |||
109 | private: |
|
112 | private: | |
110 | void updateDerivativeData(); |
|
113 | void updateDerivativeData(); | |
111 |
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114 | |||
112 | private: |
|
115 | private: | |
113 | Q_DISABLE_COPY(QPieSeries) |
|
116 | Q_DISABLE_COPY(QPieSeries) | |
114 |
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117 | |||
115 | // TODO: use PIML |
|
118 | // TODO: use PIML | |
116 | friend class PiePresenter; |
|
119 | friend class PiePresenter; | |
117 | friend class PieSlice; |
|
120 | friend class PieSlice; | |
118 |
|
121 | |||
119 | QList<QPieSlice*> m_slices; |
|
122 | QList<QPieSlice*> m_slices; | |
120 | qreal m_sizeFactor; |
|
123 | qreal m_sizeFactor; | |
121 | PiePosition m_position; |
|
124 | PiePosition m_position; | |
122 | qreal m_total; |
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125 | qreal m_total; | |
123 | qreal m_pieStartAngle; |
|
126 | qreal m_pieStartAngle; | |
124 | qreal m_pieAngleSpan; |
|
127 | qreal m_pieAngleSpan; | |
125 | }; |
|
128 | }; | |
126 |
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129 | |||
127 | QTCOMMERCIALCHART_END_NAMESPACE |
|
130 | QTCOMMERCIALCHART_END_NAMESPACE | |
128 |
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131 | |||
129 | #endif // PIESERIES_H |
|
132 | #endif // PIESERIES_H |
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