##// END OF EJS Templates
Theme gradients now generated from a single base color
Theme gradients now generated from a single base color

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r498:597882065a5e
r507:cd18b203dd88
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main.cpp
234 lines | 7.9 KiB | text/x-c | CppLexer
#include <QtGui/QApplication>
#include <QMainWindow>
#include <qchartglobal.h>
#include <qchartview.h>
#include <qpieseries.h>
#include <qpieslice.h>
#include <QGridLayout>
#include <QFormLayout>
#include <QComboBox>
#include <QSpinBox>
#include <QCheckBox>
#include <QGroupBox>
#include <QLabel>
QTCOMMERCIALCHART_USE_NAMESPACE
class CustomSlice : public QPieSlice
{
Q_OBJECT
public:
CustomSlice(qreal value, QString label)
:QPieSlice(value, label)
{
connect(this, SIGNAL(hoverEnter()), this, SLOT(handleHoverEnter()));
connect(this, SIGNAL(hoverLeave()), this, SLOT(handleHoverLeave()));
}
public Q_SLOTS:
void handleHoverEnter()
{
QBrush brush = this->sliceBrush();
m_originalBrush = brush;
brush.setColor(brush.color().lighter());
setSliceBrush(brush);
}
void handleHoverLeave()
{
setSliceBrush(m_originalBrush);
}
private:
QBrush m_originalBrush;
};
class MainWidget : public QWidget
{
Q_OBJECT
public:
explicit MainWidget(QWidget* parent = 0)
:QWidget(parent),
m_slice(0)
{
m_chartView = new QChartView();
m_chartView->setChartTitle("Piechart customization");
m_chartView->setRenderHint(QPainter::Antialiasing);
m_chartView->setChartTheme(QChart::ChartThemeIcy);
m_series = new QPieSeries();
*m_series << new CustomSlice(10.0, "Slice 1");
*m_series << new CustomSlice(20.0, "Slice 2");
*m_series << new CustomSlice(30.0, "Slice 3");
*m_series << new CustomSlice(40.0, "Slice 4");
*m_series << new CustomSlice(50.0, "Slice 5");
m_chartView->addSeries(m_series);
m_hPosition = new QDoubleSpinBox();
m_hPosition->setMinimum(0.0);
m_hPosition->setMaximum(1.0);
m_hPosition->setSingleStep(0.1);
m_hPosition->setValue(m_series->pieHorizontalPosition());
m_vPosition = new QDoubleSpinBox();
m_vPosition->setMinimum(0.0);
m_vPosition->setMaximum(1.0);
m_vPosition->setSingleStep(0.1);
m_vPosition->setValue(m_series->pieVerticalPosition());
m_sizeFactor = new QDoubleSpinBox();
m_sizeFactor->setMinimum(0.0);
m_sizeFactor->setMaximum(1.0);
m_sizeFactor->setSingleStep(0.1);
m_sizeFactor->setValue(m_series->pieSize());
m_startAngle = new QDoubleSpinBox();
m_startAngle->setMinimum(0.0);
m_startAngle->setMaximum(360);
m_startAngle->setValue(m_series->pieStartAngle());
m_startAngle->setSingleStep(1);
m_endAngle = new QDoubleSpinBox();
m_endAngle->setMinimum(0.0);
m_endAngle->setMaximum(360);
m_endAngle->setValue(m_series->pieEndAngle());
m_endAngle->setSingleStep(1);
QFormLayout* seriesSettingsLayout = new QFormLayout();
seriesSettingsLayout->addRow("Horizontal position", m_hPosition);
seriesSettingsLayout->addRow("Vertical position", m_vPosition);
seriesSettingsLayout->addRow("Size factor", m_sizeFactor);
seriesSettingsLayout->addRow("Start angle", m_startAngle);
seriesSettingsLayout->addRow("End angle", m_endAngle);
QGroupBox* seriesSettings = new QGroupBox("Series");
seriesSettings->setLayout(seriesSettingsLayout);
m_sliceName = new QLabel("<click a slice>");
m_sliceValue = new QDoubleSpinBox();
m_sliceValue->setMaximum(1000);
m_sliceLabelVisible = new QCheckBox();
m_sliceLabelArmFactor = new QDoubleSpinBox();
m_sliceLabelArmFactor->setSingleStep(0.01);
m_sliceExploded = new QCheckBox();
m_sliceExplodedFactor = new QDoubleSpinBox();
m_sliceExplodedFactor->setSingleStep(0.01);
QFormLayout* sliceSettingsLayout = new QFormLayout();
sliceSettingsLayout->addRow("Selected", m_sliceName);
sliceSettingsLayout->addRow("Value", m_sliceValue);
sliceSettingsLayout->addRow("Label visible", m_sliceLabelVisible);
sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor);
sliceSettingsLayout->addRow("Exploded", m_sliceExploded);
sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor);
QGroupBox* sliceSettings = new QGroupBox("Slice");
sliceSettings->setLayout(sliceSettingsLayout);
QGridLayout* baseLayout = new QGridLayout();
baseLayout->addWidget(seriesSettings, 0, 0);
baseLayout->addWidget(sliceSettings, 1, 0);
baseLayout->addWidget(m_chartView, 0, 1, 2, 1);
setLayout(baseLayout);
connect(m_vPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(m_hPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(m_sizeFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(m_startAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(m_endAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(m_sliceValue, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
connect(m_sliceLabelArmFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
connect(m_sliceExploded, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
connect(m_sliceExplodedFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
connect(m_series, SIGNAL(clicked(QPieSlice*)), this, SLOT(handleSliceClicked(QPieSlice*)));
updateSerieSettings();
}
public Q_SLOTS:
void updateSerieSettings()
{
m_series->setPiePosition(m_vPosition->value(), m_hPosition->value());
m_series->setPieSize(m_sizeFactor->value());
m_series->setPieStartAngle(m_startAngle->value());
m_series->setPieEndAngle(m_endAngle->value());
}
void updateSliceSettings()
{
if (!m_slice)
return;
m_slice->setValue(m_sliceValue->value());
m_slice->setLabelVisible(m_sliceLabelVisible->isChecked());
m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value());
m_slice->setExploded(m_sliceExploded->isChecked());
m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value());
}
void handleSliceClicked(QPieSlice* slice)
{
m_slice = slice;
m_sliceName->setText(slice->label());
m_sliceValue->blockSignals(true);
m_sliceValue->setValue(slice->value());
m_sliceValue->blockSignals(false);
m_sliceLabelVisible->blockSignals(true);
m_sliceLabelVisible->setChecked(slice->isLabelVisible());
m_sliceLabelVisible->blockSignals(false);
m_sliceLabelArmFactor->blockSignals(true);
m_sliceLabelArmFactor->setValue(slice->labelArmLengthFactor());
m_sliceLabelArmFactor->blockSignals(false);
m_sliceExploded->blockSignals(true);
m_sliceExploded->setChecked(slice->isExploded());
m_sliceExploded->blockSignals(false);
m_sliceExplodedFactor->blockSignals(true);
m_sliceExplodedFactor->setValue(slice->explodeDistanceFactor());
m_sliceExplodedFactor->blockSignals(false);
}
private:
QChartView* m_chartView;
QPieSeries* m_series;
QPieSlice* m_slice;
QDoubleSpinBox* m_hPosition;
QDoubleSpinBox* m_vPosition;
QDoubleSpinBox* m_sizeFactor;
QDoubleSpinBox* m_startAngle;
QDoubleSpinBox* m_endAngle;
QLabel* m_sliceName;
QDoubleSpinBox* m_sliceValue;
QCheckBox* m_sliceLabelVisible;
QDoubleSpinBox* m_sliceLabelArmFactor;
QCheckBox* m_sliceExploded;
QDoubleSpinBox* m_sliceExplodedFactor;
};
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
MainWidget* widget = new MainWidget();
window.setCentralWidget(widget);
window.resize(900, 600);
window.show();
return a.exec();
}
#include "main.moc"