##// END OF EJS Templates
removed mention to Finland and modified temperatures in example to avoid possible copyright issues. Using fictional data now.
removed mention to Finland and modified temperatures in example to avoid possible copyright issues. Using fictional data now.

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window.cpp
582 lines | 18.3 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 "window.h"
#include "view.h"
#include "charts.h"
#include <QChartView>
#include <QAreaSeries>
#include <QLegend>
#include <QGridLayout>
#include <QFormLayout>
#include <QComboBox>
#include <QSpinBox>
#include <QCheckBox>
#include <QGroupBox>
#include <QLabel>
#include <QGraphicsScene>
#include <QGraphicsGridLayout>
#include <QGraphicsLinearLayout>
#include <QGraphicsProxyWidget>
#include <QGLWidget>
#include <QApplication>
#include <QDebug>
#include <QMenu>
Window::Window(QWidget* parent) :
QMainWindow(parent),
m_listCount(3),
m_valueMax(10),
m_valueCount(7),
m_scene(new QGraphicsScene(this)),
m_view(0),
m_dataTable(Model::generateRandomData(m_listCount, m_valueMax, m_valueCount)),
m_form(0),
m_themeComboBox(0),
m_antialiasCheckBox(0),
m_animatedComboBox(0),
m_legendComboBox(0),
m_templateComboBox(0),
m_openGLCheckBox(0),
m_zoomCheckBox(0),
m_scrollCheckBox(0),
m_rubberBand(new QGraphicsRectItem()),
m_baseLayout(new QGraphicsGridLayout()),
m_menu(createMenu()),
m_state(NoState),
m_currentState(NoState),
m_template(0)
{
createProxyWidgets();
connectSignals();
// create layout
QGraphicsLinearLayout *settingsLayout = new QGraphicsLinearLayout();
settingsLayout->setOrientation(Qt::Vertical);
settingsLayout->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
settingsLayout->addItem(m_widgetHash["openGLCheckBox"]);
settingsLayout->addItem(m_widgetHash["antialiasCheckBox"]);
settingsLayout->addItem(m_widgetHash["themeLabel"]);
settingsLayout->addItem(m_widgetHash["themeComboBox"]);
settingsLayout->addItem(m_widgetHash["animationsLabel"]);
settingsLayout->addItem(m_widgetHash["animatedComboBox"]);
settingsLayout->addItem(m_widgetHash["legendLabel"]);
settingsLayout->addItem(m_widgetHash["legendComboBox"]);
settingsLayout->addItem(m_widgetHash["templateLabel"]);
settingsLayout->addItem(m_widgetHash["templateComboBox"]);
settingsLayout->addItem(m_widgetHash["scrollCheckBox"]);
settingsLayout->addItem(m_widgetHash["zoomCheckBox"]);
settingsLayout->addStretch();
m_baseLayout->addItem(settingsLayout, 0, 3, 2, 1);
//create charts
Charts::ChartList list = Charts::chartList();
for (int i = 0; i < 9; ++i) {
QChart* chart = 0;
if(i<list.size()){
chart = list.at(i)->createChart(m_dataTable);
}else{
chart = new QChart();
chart->setTitle(tr("Empty"));
}
m_baseLayout->addItem(chart, i / 3, i % 3);
m_chartHash[chart] = i;
}
m_form = new QGraphicsWidget();
m_form->setLayout(m_baseLayout);
m_scene->addItem(m_form);
m_scene->addItem(m_rubberBand);
m_rubberBand->setVisible(false);
m_view = new View(m_scene, m_form);
m_view->setMinimumSize(m_form->preferredSize().toSize());
// Set defaults
m_antialiasCheckBox->setChecked(true);
updateUI();
setCentralWidget(m_view);
}
Window::~Window()
{
}
void Window::connectSignals()
{
QObject::connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_zoomCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_scrollCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_templateComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
}
void Window::createProxyWidgets()
{
m_themeComboBox = createThemeBox();
m_antialiasCheckBox = new QCheckBox(tr("Anti-aliasing"));
m_animatedComboBox = createAnimationBox();
m_legendComboBox = createLegendBox();
m_openGLCheckBox = new QCheckBox(tr("OpenGL"));
m_zoomCheckBox = new QCheckBox(tr("Zoom"));
m_scrollCheckBox = new QCheckBox(tr("Scroll"));
m_templateComboBox= createTempleteBox();
m_widgetHash["themeComboBox"] = m_scene->addWidget(m_themeComboBox);
m_widgetHash["antialiasCheckBox"] = m_scene->addWidget(m_antialiasCheckBox);
m_widgetHash["animatedComboBox"] = m_scene->addWidget(m_animatedComboBox);
m_widgetHash["legendComboBox"] = m_scene->addWidget(m_legendComboBox);
m_widgetHash["openGLCheckBox"] = m_scene->addWidget(m_openGLCheckBox);
m_widgetHash["themeLabel"] = m_scene->addWidget(new QLabel("Theme"));
m_widgetHash["animationsLabel"] = m_scene->addWidget(new QLabel("Animations"));
m_widgetHash["legendLabel"] = m_scene->addWidget(new QLabel("Legend"));
m_widgetHash["templateLabel"] = m_scene->addWidget(new QLabel("Chart template"));
m_widgetHash["templateComboBox"] = m_scene->addWidget(m_templateComboBox);
m_widgetHash["zoomCheckBox"] = m_scene->addWidget(m_zoomCheckBox);
m_widgetHash["scrollCheckBox"] = m_scene->addWidget(m_scrollCheckBox);
}
QComboBox* Window::createThemeBox()
{
QComboBox* themeComboBox = new ComboBox(this);
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("High Contrast", QChart::ChartThemeHighContrast);
themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
return themeComboBox;
}
QComboBox* Window::createAnimationBox()
{
QComboBox* animationComboBox = new ComboBox(this);
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;
}
QComboBox* Window::createLegendBox()
{
QComboBox* legendComboBox = new ComboBox(this);
legendComboBox->addItem("No Legend ", 0);
legendComboBox->addItem("Legend Top", Qt::AlignTop);
legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
legendComboBox->addItem("Legend Left", Qt::AlignLeft);
legendComboBox->addItem("Legend Right", Qt::AlignRight);
return legendComboBox;
}
QComboBox* Window::createTempleteBox()
{
QComboBox* templateComboBox = new ComboBox(this);
templateComboBox->addItem("No Template", 0);
Charts::ChartList list = Charts::chartList();
QMultiMap<QString, Chart*> categoryMap;
foreach(Chart* chart, list) {
categoryMap.insertMulti(chart->category(), chart);
}
foreach(const QString& category, categoryMap.uniqueKeys()) {
templateComboBox->addItem(category, category);
}
return templateComboBox;
}
void Window::updateUI()
{
checkTemplate();
checkOpenGL();
checkTheme();
checkAnimationOptions();
checkLegend();
checkState();
}
void Window::checkLegend()
{
Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
if (!alignment) {
foreach (QChart *chart, m_chartHash.keys()) {
chart->legend()->hide();
}
}
else {
foreach (QChart *chart, m_chartHash.keys()) {
chart->legend()->setAlignment(alignment);
chart->legend()->show();
}
}
}
void Window::checkOpenGL()
{
bool opengl = m_openGLCheckBox->isChecked();
bool isOpengl = qobject_cast<QGLWidget*>(m_view->viewport());
if ((isOpengl && !opengl) || (!isOpengl && opengl)) {
m_view->deleteLater();
m_view = new View(m_scene, m_form);
m_view->setViewport(!opengl ? new QWidget() : new QGLWidget());
setCentralWidget(m_view);
}
bool antialias = m_antialiasCheckBox->isChecked();
if (opengl)
m_view->setRenderHint(QPainter::HighQualityAntialiasing, antialias);
else
m_view->setRenderHint(QPainter::Antialiasing, antialias);
}
void Window::checkAnimationOptions()
{
QChart::AnimationOptions options(
m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
if (!m_chartHash.isEmpty() && m_chartHash.keys().at(0)->animationOptions() != options) {
foreach (QChart *chart, m_chartHash.keys())
chart->setAnimationOptions(options);
}
}
void Window::checkState()
{
bool scroll = m_scrollCheckBox->isChecked();
if (m_state != ScrollState && scroll) {
m_state = ScrollState;
m_zoomCheckBox->setChecked(false);
}
else if (!scroll && m_state == ScrollState) {
m_state = NoState;
}
bool zoom = m_zoomCheckBox->isChecked();
if (m_state != ZoomState && zoom) {
m_state = ZoomState;
m_scrollCheckBox->setChecked(false);
}
else if (!zoom && m_state == ZoomState) {
m_state = NoState;
}
}
void Window::checkTemplate()
{
int index = m_templateComboBox->currentIndex();
if (m_template == index || index == 0)
return;
m_template = index;
QString category = m_templateComboBox->itemData(index).toString();
Charts::ChartList list = Charts::chartList();
QList<QChart*> qchartList = m_chartHash.keys();
foreach(QChart* qchart,qchartList){
for(int i = 0 ; i < m_baseLayout->count();++i)
{
if(m_baseLayout->itemAt(i)==qchart){
m_baseLayout->removeAt(i);
break;
}
}
}
m_chartHash.clear();
qDeleteAll(qchartList);
QChart* qchart(0);
int j=0;
for (int i = 0; i < list.size(); ++i) {
Chart* chart = list.at(i);
if (chart->category() == category && j < 9) {
qchart = list.at(i)->createChart(m_dataTable);
m_baseLayout->addItem(qchart, j / 3, j % 3);
m_chartHash[qchart] = j;
j++;
}
}
for (; j < 9; ++j) {
qchart = new QChart();
qchart->setTitle(tr("Empty"));
m_baseLayout->addItem(qchart, j / 3, j % 3);
m_chartHash[qchart] = j;
}
}
void Window::checkTheme()
{
QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
m_themeComboBox->currentIndex()).toInt();
foreach (QChart *chart, m_chartHash.keys())
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 if (theme == QChart::ChartThemeHighContrast) {
pal.setColor(QPalette::Window, QRgb(0xffab03));
pal.setColor(QPalette::WindowText, QRgb(0x181818));
}
else if (theme == QChart::ChartThemeBlueIcy) {
pal.setColor(QPalette::Window, QRgb(0xcee7f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
else {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
widget->setPalette(pal);
}
m_view->setBackgroundBrush(pal.color((QPalette::Window)));
m_rubberBand->setPen(pal.color((QPalette::WindowText)));
}
void Window::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
m_origin = event->pos();
m_currentState = NoState;
foreach (QChart *chart, m_chartHash.keys()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
m_currentState = m_state;
if (m_currentState == NoState && m_templateComboBox->currentIndex()==0) {
handleMenu(chart);
}
break;
}
}
if (m_currentState == ZoomState) {
m_rubberBand->setRect(QRectF(m_origin, QSize()));
m_rubberBand->setVisible(true);
}
event->accept();
}
if (event->button() == Qt::RightButton) {
m_origin = event->pos();
m_currentState = m_state;
}
}
void Window::mouseMoveEvent(QMouseEvent *event)
{
if ( m_currentState != NoState) {
foreach (QChart *chart, m_chartHash.keys()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
if (m_currentState == ScrollState) {
QPointF delta = m_origin - event->pos();
chart->scroll(delta.x(), -delta.y());
}
if (m_currentState == ZoomState && plotArea.contains(event->pos())) {
m_rubberBand->setRect(QRectF(m_origin, event->pos()).normalized());
}
break;
}
}
if(m_currentState == ScrollState) m_origin = event->pos();
event->accept();
}
}
void Window::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
if (m_currentState == ZoomState) {
m_rubberBand->setVisible(false);
foreach (QChart *chart, m_chartHash.keys()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
QRectF rect = m_rubberBand->rect();
rect.translate(-geometryRect.topLeft());
chart->zoomIn(rect);
break;
}
}
}
m_currentState = NoState;
event->accept();
}
if (event->button() == Qt::RightButton) {
if (m_currentState == ZoomState) {
foreach (QChart *chart, m_chartHash.keys()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
chart->zoomOut();
break;
}
}
}
}
}
void Window::comboBoxFocused(QComboBox *combobox)
{
foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
if(widget->widget()==combobox)
widget->setZValue(2.0);
else
widget->setZValue(0.0);
}
}
void Window::handleMenu(QChart* qchart)
{
QAction *chosen = m_menu->exec(QCursor::pos());
if (chosen) {
Chart* chart = (Chart *) chosen->data().value<void *>();
int index = m_chartHash[qchart];
//not in 4.7.2 m_baseLayout->removeItem(qchart);
for(int i = 0 ; i < m_baseLayout->count();++i)
{
if(m_baseLayout->itemAt(i)==qchart){
m_baseLayout->removeAt(i);
break;
}
}
m_chartHash.remove(qchart);
QChart* newChart = chart->createChart(m_dataTable);
m_baseLayout->addItem(newChart, index / 3, index % 3);
m_chartHash[newChart] = index;
delete qchart;
updateUI();
}
}
QMenu* Window::createMenu()
{
Charts::ChartList list = Charts::chartList();
QMultiMap<QString, Chart*> categoryMap;
QMenu* result = new QMenu(this);
foreach(Chart* chart, list) {
categoryMap.insertMulti(chart->category(), chart);
}
foreach(const QString& category, categoryMap.uniqueKeys()) {
QMenu* menu(0);
QMultiMap<QString, Chart*> subCategoryMap;
if (category.isEmpty()) {
menu = result;
}
else {
menu = new QMenu(category, this);
result->addMenu(menu);
}
foreach(Chart* chart , categoryMap.values(category)) {
subCategoryMap.insert(chart->subCategory(), chart);
}
foreach(const QString& subCategory, subCategoryMap.uniqueKeys()) {
QMenu* subMenu(0);
if (subCategory.isEmpty()) {
subMenu = menu;
}
else {
subMenu = new QMenu(subCategory, this);
menu->addMenu(subMenu);
}
foreach(Chart* chart , subCategoryMap.values(subCategory)) {
createMenuAction(subMenu, QIcon(), chart->name(),
qVariantFromValue((void *) chart));
}
}
}
return result;
}
QAction* Window::createMenuAction(QMenu *menu, const QIcon &icon, const QString &text,
const QVariant &data)
{
QAction *action = menu->addAction(icon, text);
action->setCheckable(false);
action->setData(data);
return action;
}