themewidget.cpp
331 lines
| 11.5 KiB
| text/x-c
|
CppLexer
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r748 | /**************************************************************************** | ||
** | ||||
** 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. | ||||
** | ||||
** $QT_BEGIN_LICENSE:BSD$ | ||||
** You may use this file under the terms of the BSD license as follows: | ||||
** | ||||
** "Redistribution and use in source and binary forms, with or without | ||||
** modification, are permitted provided that the following conditions are | ||||
** met: | ||||
** * Redistributions of source code must retain the above copyright | ||||
** notice, this list of conditions and the following disclaimer. | ||||
** * Redistributions in binary form must reproduce the above copyright | ||||
** notice, this list of conditions and the following disclaimer in | ||||
** the documentation and/or other materials provided with the | ||||
** distribution. | ||||
** * Neither the name of Digia nor the names of its contributors | ||||
** may be used to endorse or promote products derived from this | ||||
** software without specific prior written permission. | ||||
** | ||||
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||||
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||||
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||||
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||||
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||||
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||||
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||||
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||||
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). | ||||
** | ||||
****************************************************************************/ | ||||
#include "themewidget.h" | ||||
#include <QChartView> | ||||
#include <QPieSeries> | ||||
#include <QPieSlice> | ||||
#include <QBarSeries> | ||||
#include <QPercentBarSeries> | ||||
#include <QStackedBarSeries> | ||||
#include <QBarSet> | ||||
#include <QLineSeries> | ||||
#include <QSplineSeries> | ||||
#include <QScatterSeries> | ||||
#include <QAreaSeries> | ||||
#include <QGridLayout> | ||||
#include <QFormLayout> | ||||
#include <QComboBox> | ||||
#include <QSpinBox> | ||||
#include <QCheckBox> | ||||
#include <QGroupBox> | ||||
#include <QLabel> | ||||
#include <QTime> | ||||
ThemeWidget::ThemeWidget(QWidget* parent) : | ||||
QWidget(parent), | ||||
m_listCount(3), | ||||
m_valueMax(100), | ||||
m_valueCount(11), | ||||
m_dataTable(generateRandomData(m_listCount,m_valueMax,m_valueCount)), | ||||
m_themeComboBox(createThemeBox()), | ||||
m_antialiasCheckBox(new QCheckBox("Anti aliasing")), | ||||
m_animatedComboBox(createAnimationBox()) | ||||
{ | ||||
connectSignals(); | ||||
// create layout | ||||
QGridLayout* baseLayout = new QGridLayout(); | ||||
QHBoxLayout *settingsLayout = new QHBoxLayout(); | ||||
settingsLayout->addWidget(new QLabel("Theme:")); | ||||
settingsLayout->addWidget(m_themeComboBox); | ||||
settingsLayout->addWidget(new QLabel("Animation:")); | ||||
settingsLayout->addWidget(m_animatedComboBox); | ||||
settingsLayout->addWidget(m_antialiasCheckBox); | ||||
settingsLayout->addStretch(); | ||||
baseLayout->addLayout(settingsLayout, 0, 0, 1, 3); | ||||
//create charts | ||||
QChartView *chartView; | ||||
chartView = new QChartView(createAreaChart()); | ||||
baseLayout->addWidget(chartView, 1, 0); | ||||
m_charts << chartView; | ||||
chartView = new QChartView(createBarChart(m_valueCount)); | ||||
baseLayout->addWidget(chartView, 1, 1); | ||||
m_charts << chartView; | ||||
chartView = new QChartView(createLineChart()); | ||||
baseLayout->addWidget(chartView, 1, 2); | ||||
m_charts << chartView; | ||||
chartView = new QChartView(createPieChart()); | ||||
chartView->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); // funny things happen if the pie slice labels no not fit the screen... | ||||
baseLayout->addWidget(chartView, 2, 0); | ||||
m_charts << chartView; | ||||
chartView = new QChartView(createSplineChart()); | ||||
baseLayout->addWidget(chartView, 2, 1); | ||||
m_charts << chartView; | ||||
|
r754 | chartView = new QChartView(createScatterChart()); | ||
|
r748 | baseLayout->addWidget(chartView, 2, 2); | ||
m_charts << chartView; | ||||
setLayout(baseLayout); | ||||
} | ||||
ThemeWidget::~ThemeWidget() | ||||
{ | ||||
} | ||||
void ThemeWidget::connectSignals() | ||||
{ | ||||
connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); | ||||
connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI())); | ||||
connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI())); | ||||
} | ||||
DataTable ThemeWidget::generateRandomData(int listCount,int valueMax,int valueCount) const | ||||
{ | ||||
DataTable dataTable; | ||||
// set seed for random stuff | ||||
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); | ||||
// generate random data | ||||
for (int i(0); i < listCount; i++) { | ||||
DataList dataList; | ||||
for (int j(0); j < valueCount; j++) { | ||||
QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax); | ||||
QString label = "Item " + QString::number(i) + ":" + QString::number(j); | ||||
dataList << Data(value, label); | ||||
} | ||||
dataTable << dataList; | ||||
} | ||||
return dataTable; | ||||
} | ||||
QComboBox* ThemeWidget::createThemeBox() const | ||||
{ | ||||
// settings layout | ||||
QComboBox* themeComboBox = new QComboBox(); | ||||
themeComboBox->addItem("Default", QChart::ChartThemeDefault); | ||||
themeComboBox->addItem("Light", QChart::ChartThemeLight); | ||||
themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean); | ||||
themeComboBox->addItem("Dark", QChart::ChartThemeDark); | ||||
themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand); | ||||
themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs); | ||||
themeComboBox->addItem("Icy", QChart::ChartThemeIcy); | ||||
themeComboBox->addItem("Scientific", QChart::ChartThemeScientific); | ||||
return themeComboBox; | ||||
} | ||||
QComboBox* ThemeWidget::createAnimationBox() const | ||||
{ | ||||
// settings layout | ||||
QComboBox* animationComboBox = new QComboBox(); | ||||
animationComboBox->addItem("No Animations", QChart::NoAnimation); | ||||
animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations); | ||||
animationComboBox->addItem("Series Animations", QChart::SeriesAnimations); | ||||
animationComboBox->addItem("All Animations", QChart::AllAnimations); | ||||
return animationComboBox; | ||||
} | ||||
QChart* ThemeWidget::createAreaChart() const | ||||
{ | ||||
// area chart | ||||
QChart *chart = new QChart(); | ||||
chart->setTitle("Area chart"); | ||||
{ | ||||
for (int i(0); i < m_dataTable.count(); i++) { | ||||
QLineSeries *series1 = new QLineSeries(chart); | ||||
QLineSeries *series2 = new QLineSeries(chart); | ||||
foreach (Data data, m_dataTable[i]) { | ||||
series1->add(data.first); | ||||
series2->add(QPointF(data.first.x(), 0.0)); | ||||
} | ||||
QAreaSeries *area = new QAreaSeries(series1, series2); | ||||
chart->addSeries(area); | ||||
} | ||||
} | ||||
return chart; | ||||
} | ||||
QChart* ThemeWidget::createBarChart(int valueCount) const | ||||
{ | ||||
// bar chart | ||||
QChart* chart = new QChart(); | ||||
chart->setTitle("Bar chart"); | ||||
{ | ||||
QBarCategories categories; | ||||
// TODO: categories | ||||
for (int i(0); i < valueCount; i++) | ||||
categories << QString::number(i); | ||||
// QBarSeries* series = new QBarSeries(categories, chart); | ||||
// QPercentBarSeries* series = new QPercentBarSeries(categories, chart); | ||||
QStackedBarSeries* series = new QStackedBarSeries(categories, chart); | ||||
for (int i(0); i < m_dataTable.count(); i++) { | ||||
QBarSet *set = new QBarSet("Set" + QString::number(i)); | ||||
foreach (Data data, m_dataTable[i]) | ||||
*set << data.first.y(); | ||||
series->addBarSet(set); | ||||
} | ||||
chart->addSeries(series); | ||||
} | ||||
return chart; | ||||
} | ||||
QChart* ThemeWidget::createLineChart() const | ||||
{ | ||||
// line chart | ||||
QChart* chart = new QChart(); | ||||
chart->setTitle("Line chart"); | ||||
foreach (DataList list, m_dataTable) { | ||||
QLineSeries *series = new QLineSeries(chart); | ||||
foreach (Data data, list) | ||||
series->add(data.first); | ||||
chart->addSeries(series); | ||||
} | ||||
return chart; | ||||
} | ||||
QChart* ThemeWidget::createPieChart() const | ||||
{ | ||||
// pie chart | ||||
QChart* chart = new QChart(); | ||||
chart->setTitle("Pie chart"); | ||||
qreal pieSize = 1.0 / m_dataTable.count(); | ||||
for (int i = 0; i < m_dataTable.count(); i++) { | ||||
QPieSeries *series = new QPieSeries(chart); | ||||
foreach (Data data, m_dataTable[i]) { | ||||
QPieSlice *slice = series->add(data.first.y(), data.second); | ||||
if (data == m_dataTable[i].first()) { | ||||
slice->setLabelVisible(); | ||||
slice->setExploded(); | ||||
} | ||||
} | ||||
qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count()); | ||||
series->setPieSize(pieSize); | ||||
series->setPiePosition(hPos, 0.5); | ||||
chart->addSeries(series); | ||||
} | ||||
return chart; | ||||
} | ||||
QChart* ThemeWidget::createSplineChart() const | ||||
{ // spine chart | ||||
QChart* chart = new QChart(); | ||||
chart->setTitle("Spline chart"); | ||||
foreach (DataList list, m_dataTable) { | ||||
QSplineSeries *series = new QSplineSeries(chart); | ||||
foreach (Data data, list) | ||||
series->add(data.first); | ||||
chart->addSeries(series); | ||||
} | ||||
return chart; | ||||
} | ||||
QChart* ThemeWidget::createScatterChart() const | ||||
{ // scatter chart | ||||
QChart* chart = new QChart(); | ||||
chart->setTitle("Scatter chart"); | ||||
foreach (DataList list, m_dataTable) { | ||||
QScatterSeries *series = new QScatterSeries(chart); | ||||
foreach (Data data, list) | ||||
series->add(data.first); | ||||
chart->addSeries(series); | ||||
} | ||||
return chart; | ||||
} | ||||
void ThemeWidget::updateUI() | ||||
{ | ||||
QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt(); | ||||
if (m_charts.at(0)->chart()->theme() != theme) { | ||||
foreach (QChartView *chartView, m_charts) | ||||
chartView->chart()->setTheme(theme); | ||||
QPalette pal = window()->palette(); | ||||
if (theme == QChart::ChartThemeLight) { | ||||
pal.setColor(QPalette::Window, QRgb(0xf0f0f0)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
} | ||||
else if (theme == QChart::ChartThemeDark) { | ||||
pal.setColor(QPalette::Window, QRgb(0x121218)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); | ||||
} | ||||
else if (theme == QChart::ChartThemeBlueCerulean) { | ||||
pal.setColor(QPalette::Window, QRgb(0x40434a)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6)); | ||||
} | ||||
else if (theme == QChart::ChartThemeBrownSand) { | ||||
pal.setColor(QPalette::Window, QRgb(0x9e8965)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
} | ||||
else if (theme == QChart::ChartThemeBlueNcs) { | ||||
pal.setColor(QPalette::Window, QRgb(0x018bba)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
} | ||||
else { | ||||
pal.setColor(QPalette::Window, QRgb(0xf0f0f0)); | ||||
pal.setColor(QPalette::WindowText, QRgb(0x404044)); | ||||
} | ||||
window()->setPalette(pal); | ||||
} | ||||
bool checked = m_antialiasCheckBox->isChecked(); | ||||
foreach (QChartView *chart, m_charts) | ||||
chart->setRenderHint(QPainter::Antialiasing, checked); | ||||
QChart::AnimationOptions options(m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt()); | ||||
if (m_charts.at(0)->chart()->animationOptions() != options) { | ||||
foreach (QChartView *chartView, m_charts) | ||||
chartView->chart()->setAnimationOptions(options); | ||||
} | ||||
} | ||||