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QSplineSeries calculateControlPoints moved to splinechartitem. This way we don't need to deal with controlPoints on logaritmic scale
QSplineSeries calculateControlPoints moved to splinechartitem. This way we don't need to deal with controlPoints on logaritmic scale
Jani Honkonen - - Load All Authors

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r2099:dacd8b696e6b
r2372:d6a999e30ac3
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mainwidget.cpp
359 lines | 13.9 KiB | text/x-c | CppLexer
/ demos / piechartcustomization / mainwidget.cpp
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Jani Honkonen
Split piechartcustomization to different files
 r844 /****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mainwidget.h"
#include "customslice.h"
#include "pentool.h"
#include "brushtool.h"
#include <QPushButton>
#include <QComboBox>
#include <QCheckBox>
Jani Honkonen
Tinkering with piechartcustomization
 r1486 #include <QLineEdit>
Jani Honkonen
Split piechartcustomization to different files
 r844 #include <QGroupBox>
#include <QDoubleSpinBox>
#include <QFormLayout>
#include <QFontDialog>
#include <QChartView>
#include <QPieSeries>
QTCOMMERCIALCHART_USE_NAMESPACE
Jani Honkonen
coding style fixes for demos
 r2099 MainWidget::MainWidget(QWidget *parent)
: QWidget(parent),
Marek Rosa
Donut support simplified. Examples updated
 r1838 m_slice(0)
Jani Honkonen
Split piechartcustomization to different files
 r844 {
// create chart
QChart *chart = new QChart;
chart->setTitle("Piechart customization");
chart->setAnimationOptions(QChart::AllAnimations);
// create series
m_series = new QPieSeries();
Jani Honkonen
pie: change the order of parameters when creating slices to be more intuitive
 r1206 *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);
Jani Honkonen
Split piechartcustomization to different files
 r844 m_series->setLabelsVisible();
chart->addSeries(m_series);
Jani Honkonen
API review changes for pie
 r1009 connect(m_series, SIGNAL(clicked(QPieSlice*)), this, SLOT(handleSliceClicked(QPieSlice*)));
Jani Honkonen
Split piechartcustomization to different files
 r844
// 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_aaCheckBox = new QCheckBox();
m_animationsCheckBox = new QCheckBox();
m_animationsCheckBox->setCheckState(Qt::Checked);
Jani Honkonen
API review changes for pie
 r1009 m_legendCheckBox = new QCheckBox();
Jani Honkonen
coding style fixes for demos
 r2099 QFormLayout *chartSettingsLayout = new QFormLayout();
Jani Honkonen
Split piechartcustomization to different files
 r844 chartSettingsLayout->addRow("Theme", m_themeComboBox);
chartSettingsLayout->addRow("Antialiasing", m_aaCheckBox);
chartSettingsLayout->addRow("Animations", m_animationsCheckBox);
Jani Honkonen
API review changes for pie
 r1009 chartSettingsLayout->addRow("Legend", m_legendCheckBox);
Jani Honkonen
coding style fixes for demos
 r2099 QGroupBox *chartSettings = new QGroupBox("Chart");
Jani Honkonen
Split piechartcustomization to different files
 r844 chartSettings->setLayout(chartSettingsLayout);
Jani Honkonen
coding style fixes for demos
 r2099 connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateChartSettings()));
connect(m_aaCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateChartSettings()));
connect(m_animationsCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateChartSettings()));
connect(m_legendCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateChartSettings()));
Jani Honkonen
Split piechartcustomization to different files
 r844
// series settings
m_hPosition = new QDoubleSpinBox();
m_hPosition->setMinimum(0.0);
m_hPosition->setMaximum(1.0);
m_hPosition->setSingleStep(0.1);
Tero Ahola
QSeries name and QPieSeries properties to QML api
 r884 m_hPosition->setValue(m_series->horizontalPosition());
Jani Honkonen
Split piechartcustomization to different files
 r844
m_vPosition = new QDoubleSpinBox();
m_vPosition->setMinimum(0.0);
m_vPosition->setMaximum(1.0);
m_vPosition->setSingleStep(0.1);
Tero Ahola
QSeries name and QPieSeries properties to QML api
 r884 m_vPosition->setValue(m_series->verticalPosition());
Jani Honkonen
Split piechartcustomization to different files
 r844
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();
Jani Honkonen
Bugfix: remove restrictions from pie start & end angles...
 r1207 m_startAngle->setMinimum(-720);
m_startAngle->setMaximum(720);
Jani Honkonen
Split piechartcustomization to different files
 r844 m_startAngle->setValue(m_series->pieStartAngle());
m_startAngle->setSingleStep(1);
m_endAngle = new QDoubleSpinBox();
Jani Honkonen
Bugfix: remove restrictions from pie start & end angles...
 r1207 m_endAngle->setMinimum(-720);
m_endAngle->setMaximum(720);
Jani Honkonen
Split piechartcustomization to different files
 r844 m_endAngle->setValue(m_series->pieEndAngle());
m_endAngle->setSingleStep(1);
Marek Rosa
Donut support simplified. Examples updated
 r1838 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());
Jani Honkonen
pie: finetuning donut animations...
 r1758
Jani Honkonen
Improving pie examples
 r892 QPushButton *appendSlice = new QPushButton("Append slice");
Jani Honkonen
Split piechartcustomization to different files
 r844 QPushButton *insertSlice = new QPushButton("Insert slice");
Jani Honkonen
Tinkering with piechartcustomization
 r1486 QPushButton *removeSlice = new QPushButton("Remove selected slice");
Jani Honkonen
Split piechartcustomization to different files
 r844
Jani Honkonen
coding style fixes for demos
 r2099 QFormLayout *seriesSettingsLayout = new QFormLayout();
Jani Honkonen
Split piechartcustomization to different files
 r844 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);
Marek Rosa
Donut support simplified. Examples updated
 r1838 seriesSettingsLayout->addRow("Hole size", m_holeSize);
Jani Honkonen
Improving pie examples
 r892 seriesSettingsLayout->addRow(appendSlice);
Jani Honkonen
Split piechartcustomization to different files
 r844 seriesSettingsLayout->addRow(insertSlice);
Jani Honkonen
Tinkering with piechartcustomization
 r1486 seriesSettingsLayout->addRow(removeSlice);
Jani Honkonen
coding style fixes for demos
 r2099 QGroupBox *seriesSettings = new QGroupBox("Series");
Jani Honkonen
Split piechartcustomization to different files
 r844 seriesSettings->setLayout(seriesSettingsLayout);
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()));
Marek Rosa
Donut support simplified. Examples updated
 r1838 connect(m_holeSize, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
Jani Honkonen
Improving pie examples
 r892 connect(appendSlice, SIGNAL(clicked()), this, SLOT(appendSlice()));
Jani Honkonen
Split piechartcustomization to different files
 r844 connect(insertSlice, SIGNAL(clicked()), this, SLOT(insertSlice()));
Jani Honkonen
Tinkering with piechartcustomization
 r1486 connect(removeSlice, SIGNAL(clicked()), this, SLOT(removeSlice()));
Jani Honkonen
Split piechartcustomization to different files
 r844
// slice settings
Jani Honkonen
Tinkering with piechartcustomization
 r1486 m_sliceName = new QLineEdit("<click a slice>");
m_sliceName->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
Jani Honkonen
Split piechartcustomization to different files
 r844 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();
Tero Ahola
Use labelBrush instead of labelPen for text labels
 r1307 m_labelBrush = new QPushButton();
m_labelBrushTool = new BrushTool("Label brush", this);
Jani Honkonen
pie: add label position to slice
 r1450 m_labelPosition = new QComboBox(this);
m_labelPosition->addItem("Outside", QPieSlice::LabelOutside);
Jani Honkonen
QPieSlice::LabelInside -> LabelInsideHorizontal
 r1759 m_labelPosition->addItem("Inside horizontal", QPieSlice::LabelInsideHorizontal);
Marek Rosa
Added one more type of label placing on Pie chart
 r1712 m_labelPosition->addItem("Inside tangential", QPieSlice::LabelInsideTangential);
m_labelPosition->addItem("Inside normal", QPieSlice::LabelInsideNormal);
Jani Honkonen
Split piechartcustomization to different files
 r844
Jani Honkonen
coding style fixes for demos
 r2099 QFormLayout *sliceSettingsLayout = new QFormLayout();
Jani Honkonen
Tinkering with piechartcustomization
 r1486 sliceSettingsLayout->addRow("Label", m_sliceName);
Jani Honkonen
Split piechartcustomization to different files
 r844 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);
Jani Honkonen
pie: add label position to slice
 r1450 sliceSettingsLayout->addRow("Label brush", m_labelBrush);
sliceSettingsLayout->addRow("Label position", m_labelPosition);
Jani Honkonen
Split piechartcustomization to different files
 r844 sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor);
sliceSettingsLayout->addRow("Exploded", m_sliceExploded);
sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor);
Jani Honkonen
coding style fixes for demos
 r2099 QGroupBox *sliceSettings = new QGroupBox("Selected slice");
Jani Honkonen
Split piechartcustomization to different files
 r844 sliceSettings->setLayout(sliceSettingsLayout);
Jani Honkonen
Tinkering with piechartcustomization
 r1486 connect(m_sliceName, SIGNAL(textChanged(QString)), this, SLOT(updateSliceSettings()));
Jani Honkonen
Split piechartcustomization to different files
 r844 connect(m_sliceValue, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
connect(m_pen, SIGNAL(clicked()), m_penTool, SLOT(show()));
connect(m_penTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
connect(m_brush, SIGNAL(clicked()), m_brushTool, SLOT(show()));
connect(m_brushTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
connect(m_font, SIGNAL(clicked()), this, SLOT(showFontDialog()));
Tero Ahola
Use labelBrush instead of labelPen for text labels
 r1307 connect(m_labelBrush, SIGNAL(clicked()), m_labelBrushTool, SLOT(show()));
connect(m_labelBrushTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
Jani Honkonen
Split piechartcustomization to different files
 r844 connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), 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()));
Jani Honkonen
pie: add label position to slice
 r1450 connect(m_labelPosition, SIGNAL(currentIndexChanged(int)), this, SLOT(updateSliceSettings()));
Jani Honkonen
Split piechartcustomization to different files
 r844
// 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();
Jani Honkonen
coding style fixes for demos
 r2099 QGridLayout *baseLayout = new QGridLayout();
Jani Honkonen
Split piechartcustomization to different files
 r844 baseLayout->addLayout(settingsLayout, 0, 0);
baseLayout->addWidget(m_chartView, 0, 1);
setLayout(baseLayout);
updateSerieSettings();
Michal Klocek
Fix piechartcustomization example
 r1644 updateChartSettings();
Jani Honkonen
Split piechartcustomization to different files
 r844 }
void MainWidget::updateChartSettings()
{
QChart::ChartTheme theme = (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);
Jani Honkonen
API review changes for pie
 r1009
if (m_legendCheckBox->checkState() == Qt::Checked)
m_chartView->chart()->legend()->show();
else
m_chartView->chart()->legend()->hide();
Jani Honkonen
Split piechartcustomization to different files
 r844 }
void MainWidget::updateSerieSettings()
{
Tero Ahola
QSeries name and QPieSeries properties to QML api
 r884 m_series->setHorizontalPosition(m_hPosition->value());
m_series->setVerticalPosition(m_vPosition->value());
Jani Honkonen
Split piechartcustomization to different files
 r844 m_series->setPieSize(m_sizeFactor->value());
Marek Rosa
Donut support simplified. Examples updated
 r1838 m_holeSize->setMaximum(m_sizeFactor->value());
Jani Honkonen
Split piechartcustomization to different files
 r844 m_series->setPieStartAngle(m_startAngle->value());
m_series->setPieEndAngle(m_endAngle->value());
Marek Rosa
Donut support simplified. Examples updated
 r1838 m_series->setHoleSize(m_holeSize->value());
Jani Honkonen
Split piechartcustomization to different files
 r844 }
void MainWidget::updateSliceSettings()
{
if (!m_slice)
return;
Jani Honkonen
Tinkering with piechartcustomization
 r1486 m_slice->setLabel(m_sliceName->text());
Jani Honkonen
Split piechartcustomization to different files
 r844 m_slice->setValue(m_sliceValue->value());
m_slice->setPen(m_penTool->pen());
m_slice->setBrush(m_brushTool->brush());
Tero Ahola
Use labelBrush instead of labelPen for text labels
 r1307 m_slice->setLabelBrush(m_labelBrushTool->brush());
Jani Honkonen
Split piechartcustomization to different files
 r844 m_slice->setLabelVisible(m_sliceLabelVisible->isChecked());
m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value());
Jani Honkonen
pie: add label position to slice
 r1450 m_slice->setLabelPosition((QPieSlice::LabelPosition)m_labelPosition->currentIndex()); // assumes that index is in sync with the enum
Jani Honkonen
Split piechartcustomization to different files
 r844
m_slice->setExploded(m_sliceExploded->isChecked());
m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value());
}
Jani Honkonen
coding style fixes for demos
 r2099 void MainWidget::handleSliceClicked(QPieSlice *slice)
Jani Honkonen
Split piechartcustomization to different files
 r844 {
Jani Honkonen
coding style fixes for demos
 r2099 m_slice = static_cast<CustomSlice *>(slice);
Jani Honkonen
Split piechartcustomization to different files
 r844
// name
Jani Honkonen
Tinkering with piechartcustomization
 r1486 m_sliceName->blockSignals(true);
Jani Honkonen
Split piechartcustomization to different files
 r844 m_sliceName->setText(slice->label());
Jani Honkonen
Tinkering with piechartcustomization
 r1486 m_sliceName->blockSignals(false);
Jani Honkonen
Split piechartcustomization to different files
 r844
// 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
Tero Ahola
Use labelBrush instead of labelPen for text labels
 r1307 m_labelBrush->setText(BrushTool::name(m_slice->labelBrush()));
m_labelBrushTool->setBrush(m_slice->labelBrush());
Jani Honkonen
Split piechartcustomization to different files
 r844 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);
Jani Honkonen
pie: add label position to slice
 r1450 m_labelPosition->blockSignals(true);
m_labelPosition->setCurrentIndex(slice->labelPosition()); // assumes that index is in sync with the enum
m_labelPosition->blockSignals(false);
Jani Honkonen
Split piechartcustomization to different files
 r844
// 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());
}
Jani Honkonen
Improving pie examples
 r892 void MainWidget::appendSlice()
Jani Honkonen
Split piechartcustomization to different files
 r844 {
Jani Honkonen
coding style fixes for demos
 r2099 *m_series << new CustomSlice("Slice " + QString::number(m_series->count() + 1), 10.0);
Jani Honkonen
Split piechartcustomization to different files
 r844 }
void MainWidget::insertSlice()
{
if (!m_slice)
return;
int i = m_series->slices().indexOf(m_slice);
Jani Honkonen
coding style fixes for demos
 r2099 m_series->insert(i, new CustomSlice("Slice " + QString::number(m_series->count() + 1), 10.0));
Jani Honkonen
Split piechartcustomization to different files
 r844 }
void MainWidget::removeSlice()
{
if (!m_slice)
return;
Jani Honkonen
Improving pie examples
 r892 m_sliceName->setText("<click a slice>");
Jani Honkonen
Split piechartcustomization to different files
 r844 m_series->remove(m_slice);
m_slice = 0;
}
#include "moc_mainwidget.cpp"