| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #include "mainwidget.h" |
| #include "customslice.h" |
| #include "pentool.h" |
| #include "brushtool.h" |
| #include <QtWidgets/QPushButton> |
| #include <QtWidgets/QComboBox> |
| #include <QtWidgets/QCheckBox> |
| #include <QtWidgets/QLineEdit> |
| #include <QtWidgets/QGroupBox> |
| #include <QtWidgets/QDoubleSpinBox> |
| #include <QtWidgets/QFormLayout> |
| #include <QtWidgets/QFontDialog> |
| #include <QtCharts/QChartView> |
| #include <QtCharts/QPieSeries> |
| |
| QT_CHARTS_USE_NAMESPACE |
| |
| MainWidget::MainWidget(QWidget *parent) |
| : QWidget(parent), |
| m_slice(0) |
| { |
| // create chart |
| QChart *chart = new QChart; |
| chart->setTitle("Piechart customization"); |
| chart->setAnimationOptions(QChart::AllAnimations); |
| |
| // create series |
| m_series = new QPieSeries(); |
| *m_series << new CustomSlice("Slice 1", 10.0); |
| *m_series << new CustomSlice("Slice 2", 20.0); |
| *m_series << new CustomSlice("Slice 3", 30.0); |
| *m_series << new CustomSlice("Slice 4", 40.0); |
| *m_series << new CustomSlice("Slice 5", 50.0); |
| m_series->setLabelsVisible(); |
| chart->addSeries(m_series); |
| |
| connect(m_series, &QPieSeries::clicked, this, &MainWidget::handleSliceClicked); |
| |
| // chart settings |
| m_themeComboBox = new QComboBox(); |
| m_themeComboBox->addItem("Light", QChart::ChartThemeLight); |
| m_themeComboBox->addItem("BlueCerulean", QChart::ChartThemeBlueCerulean); |
| m_themeComboBox->addItem("Dark", QChart::ChartThemeDark); |
| m_themeComboBox->addItem("BrownSand", QChart::ChartThemeBrownSand); |
| m_themeComboBox->addItem("BlueNcs", QChart::ChartThemeBlueNcs); |
| m_themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast); |
| m_themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy); |
| m_themeComboBox->addItem("Qt", QChart::ChartThemeQt); |
| |
| m_aaCheckBox = new QCheckBox(); |
| m_animationsCheckBox = new QCheckBox(); |
| m_animationsCheckBox->setCheckState(Qt::Checked); |
| |
| m_legendCheckBox = new QCheckBox(); |
| |
| QFormLayout *chartSettingsLayout = new QFormLayout(); |
| chartSettingsLayout->addRow("Theme", m_themeComboBox); |
| chartSettingsLayout->addRow("Antialiasing", m_aaCheckBox); |
| chartSettingsLayout->addRow("Animations", m_animationsCheckBox); |
| chartSettingsLayout->addRow("Legend", m_legendCheckBox); |
| QGroupBox *chartSettings = new QGroupBox("Chart"); |
| chartSettings->setLayout(chartSettingsLayout); |
| |
| connect(m_themeComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), |
| this, &MainWidget::updateChartSettings); |
| connect(m_aaCheckBox, &QCheckBox::toggled, this, &MainWidget::updateChartSettings); |
| connect(m_animationsCheckBox, &QCheckBox::toggled, this, &MainWidget::updateChartSettings); |
| connect(m_legendCheckBox, &QCheckBox::toggled, this, &MainWidget::updateChartSettings); |
| |
| // series settings |
| m_hPosition = new QDoubleSpinBox(); |
| m_hPosition->setMinimum(0.0); |
| m_hPosition->setMaximum(1.0); |
| m_hPosition->setSingleStep(0.1); |
| m_hPosition->setValue(m_series->horizontalPosition()); |
| |
| m_vPosition = new QDoubleSpinBox(); |
| m_vPosition->setMinimum(0.0); |
| m_vPosition->setMaximum(1.0); |
| m_vPosition->setSingleStep(0.1); |
| m_vPosition->setValue(m_series->verticalPosition()); |
| |
| 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(-720); |
| m_startAngle->setMaximum(720); |
| m_startAngle->setValue(m_series->pieStartAngle()); |
| m_startAngle->setSingleStep(1); |
| |
| m_endAngle = new QDoubleSpinBox(); |
| m_endAngle->setMinimum(-720); |
| m_endAngle->setMaximum(720); |
| m_endAngle->setValue(m_series->pieEndAngle()); |
| m_endAngle->setSingleStep(1); |
| |
| m_holeSize = new QDoubleSpinBox(); |
| m_holeSize->setMinimum(0.0); |
| m_holeSize->setMaximum(1.0); |
| m_holeSize->setSingleStep(0.1); |
| m_holeSize->setValue(m_series->holeSize()); |
| |
| QPushButton *appendSlice = new QPushButton("Append slice"); |
| QPushButton *insertSlice = new QPushButton("Insert slice"); |
| QPushButton *removeSlice = new QPushButton("Remove selected slice"); |
| |
| 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); |
| seriesSettingsLayout->addRow("Hole size", m_holeSize); |
| seriesSettingsLayout->addRow(appendSlice); |
| seriesSettingsLayout->addRow(insertSlice); |
| seriesSettingsLayout->addRow(removeSlice); |
| QGroupBox *seriesSettings = new QGroupBox("Series"); |
| seriesSettings->setLayout(seriesSettingsLayout); |
| |
| connect(m_vPosition, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(m_hPosition, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(m_sizeFactor, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(m_startAngle, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(m_endAngle, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(m_holeSize, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSerieSettings); |
| connect(appendSlice, &QPushButton::clicked, this, &MainWidget::appendSlice); |
| connect(insertSlice, &QPushButton::clicked, this, &MainWidget::insertSlice); |
| connect(removeSlice, &QPushButton::clicked, this, &MainWidget::removeSlice); |
| |
| // slice settings |
| m_sliceName = new QLineEdit("<click a slice>"); |
| m_sliceName->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum); |
| 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); |
| m_pen = new QPushButton(); |
| m_penTool = new PenTool("Slice pen", this); |
| m_brush = new QPushButton(); |
| m_brushTool = new BrushTool("Slice brush", this); |
| m_font = new QPushButton(); |
| m_labelBrush = new QPushButton(); |
| m_labelBrushTool = new BrushTool("Label brush", this); |
| m_labelPosition = new QComboBox(this); |
| m_labelPosition->addItem("Outside", QPieSlice::LabelOutside); |
| m_labelPosition->addItem("Inside horizontal", QPieSlice::LabelInsideHorizontal); |
| m_labelPosition->addItem("Inside tangential", QPieSlice::LabelInsideTangential); |
| m_labelPosition->addItem("Inside normal", QPieSlice::LabelInsideNormal); |
| |
| QFormLayout *sliceSettingsLayout = new QFormLayout(); |
| sliceSettingsLayout->addRow("Label", m_sliceName); |
| sliceSettingsLayout->addRow("Value", m_sliceValue); |
| sliceSettingsLayout->addRow("Pen", m_pen); |
| sliceSettingsLayout->addRow("Brush", m_brush); |
| sliceSettingsLayout->addRow("Label visible", m_sliceLabelVisible); |
| sliceSettingsLayout->addRow("Label font", m_font); |
| sliceSettingsLayout->addRow("Label brush", m_labelBrush); |
| sliceSettingsLayout->addRow("Label position", m_labelPosition); |
| sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor); |
| sliceSettingsLayout->addRow("Exploded", m_sliceExploded); |
| sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor); |
| QGroupBox *sliceSettings = new QGroupBox("Selected slice"); |
| sliceSettings->setLayout(sliceSettingsLayout); |
| |
| connect(m_sliceName, &QLineEdit::textChanged, this, &MainWidget::updateSliceSettings); |
| connect(m_sliceValue, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSliceSettings); |
| connect(m_pen, &QPushButton::clicked, m_penTool, &PenTool::show); |
| connect(m_penTool, &PenTool::changed, this, &MainWidget::updateSliceSettings); |
| connect(m_brush, &QPushButton::clicked, m_brushTool, &BrushTool::show); |
| connect(m_brushTool, &BrushTool::changed, this, &MainWidget::updateSliceSettings); |
| connect(m_font, &QPushButton::clicked, this, &MainWidget::showFontDialog); |
| connect(m_labelBrush, &QPushButton::clicked, m_labelBrushTool, &BrushTool::show); |
| connect(m_labelBrushTool, &BrushTool::changed, this, &MainWidget::updateSliceSettings); |
| connect(m_sliceLabelVisible, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings); |
| connect(m_sliceLabelVisible, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings); |
| connect(m_sliceLabelArmFactor, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSliceSettings); |
| connect(m_sliceExploded, &QCheckBox::toggled, this, &MainWidget::updateSliceSettings); |
| connect(m_sliceExplodedFactor, |
| static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged), |
| this, &MainWidget::updateSliceSettings); |
| connect(m_labelPosition, |
| static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), |
| this, &MainWidget::updateSliceSettings); |
| |
| // create chart view |
| m_chartView = new QChartView(chart); |
| |
| // create main layout |
| QVBoxLayout *settingsLayout = new QVBoxLayout(); |
| settingsLayout->addWidget(chartSettings); |
| settingsLayout->addWidget(seriesSettings); |
| settingsLayout->addWidget(sliceSettings); |
| settingsLayout->addStretch(); |
| |
| QGridLayout *baseLayout = new QGridLayout(); |
| baseLayout->addLayout(settingsLayout, 0, 0); |
| baseLayout->addWidget(m_chartView, 0, 1); |
| setLayout(baseLayout); |
| |
| updateSerieSettings(); |
| updateChartSettings(); |
| } |
| |
| |
| void MainWidget::updateChartSettings() |
| { |
| QChart::ChartTheme theme = static_cast<QChart::ChartTheme>(m_themeComboBox->itemData( |
| m_themeComboBox->currentIndex()).toInt()); |
| m_chartView->chart()->setTheme(theme); |
| m_chartView->setRenderHint(QPainter::Antialiasing, m_aaCheckBox->isChecked()); |
| |
| if (m_animationsCheckBox->checkState() == Qt::Checked) |
| m_chartView->chart()->setAnimationOptions(QChart::AllAnimations); |
| else |
| m_chartView->chart()->setAnimationOptions(QChart::NoAnimation); |
| |
| if (m_legendCheckBox->checkState() == Qt::Checked) |
| m_chartView->chart()->legend()->show(); |
| else |
| m_chartView->chart()->legend()->hide(); |
| } |
| |
| void MainWidget::updateSerieSettings() |
| { |
| m_series->setHorizontalPosition(m_hPosition->value()); |
| m_series->setVerticalPosition(m_vPosition->value()); |
| m_series->setPieSize(m_sizeFactor->value()); |
| m_holeSize->setMaximum(m_sizeFactor->value()); |
| m_series->setPieStartAngle(m_startAngle->value()); |
| m_series->setPieEndAngle(m_endAngle->value()); |
| m_series->setHoleSize(m_holeSize->value()); |
| } |
| |
| void MainWidget::updateSliceSettings() |
| { |
| if (!m_slice) |
| return; |
| |
| m_slice->setLabel(m_sliceName->text()); |
| |
| m_slice->setValue(m_sliceValue->value()); |
| |
| m_slice->setPen(m_penTool->pen()); |
| m_slice->setBrush(m_brushTool->brush()); |
| |
| m_slice->setLabelBrush(m_labelBrushTool->brush()); |
| m_slice->setLabelVisible(m_sliceLabelVisible->isChecked()); |
| m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value()); |
| // We assume that label position index is in sync with the enum |
| m_slice->setLabelPosition((QPieSlice::LabelPosition)m_labelPosition->currentIndex()); |
| |
| m_slice->setExploded(m_sliceExploded->isChecked()); |
| m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value()); |
| } |
| |
| void MainWidget::handleSliceClicked(QPieSlice *slice) |
| { |
| m_slice = static_cast<CustomSlice *>(slice); |
| |
| // name |
| m_sliceName->blockSignals(true); |
| m_sliceName->setText(slice->label()); |
| m_sliceName->blockSignals(false); |
| |
| // value |
| m_sliceValue->blockSignals(true); |
| m_sliceValue->setValue(slice->value()); |
| m_sliceValue->blockSignals(false); |
| |
| // pen |
| m_pen->setText(PenTool::name(m_slice->pen())); |
| m_penTool->setPen(m_slice->pen()); |
| |
| // brush |
| m_brush->setText(m_slice->originalBrush().color().name()); |
| m_brushTool->setBrush(m_slice->originalBrush()); |
| |
| // label |
| m_labelBrush->setText(BrushTool::name(m_slice->labelBrush())); |
| m_labelBrushTool->setBrush(m_slice->labelBrush()); |
| m_font->setText(slice->labelFont().toString()); |
| 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_labelPosition->blockSignals(true); |
| // We assume that label position index is in sync with the enum |
| m_labelPosition->setCurrentIndex(slice->labelPosition()); |
| m_labelPosition->blockSignals(false); |
| |
| // exploded |
| 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); |
| } |
| |
| void MainWidget::showFontDialog() |
| { |
| if (!m_slice) |
| return; |
| |
| QFontDialog dialog(m_slice->labelFont()); |
| dialog.show(); |
| dialog.exec(); |
| |
| m_slice->setLabelFont(dialog.currentFont()); |
| m_font->setText(dialog.currentFont().toString()); |
| } |
| |
| void MainWidget::appendSlice() |
| { |
| *m_series << new CustomSlice("Slice " + QString::number(m_series->count() + 1), 10.0); |
| } |
| |
| void MainWidget::insertSlice() |
| { |
| if (!m_slice) |
| return; |
| |
| int i = m_series->slices().indexOf(m_slice); |
| |
| m_series->insert(i, new CustomSlice("Slice " + QString::number(m_series->count() + 1), 10.0)); |
| } |
| |
| void MainWidget::removeSlice() |
| { |
| if (!m_slice) |
| return; |
| |
| m_sliceName->setText("<click a slice>"); |
| |
| m_series->remove(m_slice); |
| m_slice = 0; |
| } |
| |
| #include "moc_mainwidget.cpp" |