##// END OF EJS Templates
adds Andy's customer request, first call to createDaultAxis scales whole domain (if on common axis)
adds Andy's customer request, first call to createDaultAxis scales whole domain (if on common axis)

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mainwidget.cpp
359 lines | 13.9 KiB | text/x-c | CppLexer
/****************************************************************************
**
** 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>
#include <QLineEdit>
#include <QGroupBox>
#include <QDoubleSpinBox>
#include <QFormLayout>
#include <QFontDialog>
#include <QChartView>
#include <QPieSeries>
QTCOMMERCIALCHART_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, SIGNAL(clicked(QPieSlice*)), this, SLOT(handleSliceClicked(QPieSlice*)));
// 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);
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, 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()));
// 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, 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_holeSize, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
connect(appendSlice, SIGNAL(clicked()), this, SLOT(appendSlice()));
connect(insertSlice, SIGNAL(clicked()), this, SLOT(insertSlice()));
connect(removeSlice, SIGNAL(clicked()), this, SLOT(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, SIGNAL(textChanged(QString)), this, SLOT(updateSliceSettings()));
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()));
connect(m_labelBrush, SIGNAL(clicked()), m_labelBrushTool, SLOT(show()));
connect(m_labelBrushTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
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()));
connect(m_labelPosition, SIGNAL(currentIndexChanged(int)), this, SLOT(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 = (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());
m_slice->setLabelPosition((QPieSlice::LabelPosition)m_labelPosition->currentIndex()); // assumes that index is in sync with the enum
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);
m_labelPosition->setCurrentIndex(slice->labelPosition()); // assumes that index is in sync with the enum
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"