##// END OF EJS Templates
Restored minimumMargins property to QChart
Restored minimumMargins property to QChart

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window.cpp
502 lines | 17.1 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 "grid.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 <QGraphicsLinearLayout>
#include <QGraphicsProxyWidget>
#include <QGLWidget>
#include <QApplication>
#include <QDebug>
#include <QMenu>
#include <QPushButton>
Window::Window(const QVariantHash &parameters, QWidget *parent)
: QMainWindow(parent),
m_scene(new QGraphicsScene(this)),
m_view(0),
m_form(0),
m_themeComboBox(0),
m_antialiasCheckBox(0),
m_animatedComboBox(0),
m_legendComboBox(0),
m_templateComboBox(0),
m_viewComboBox(0),
m_openGLCheckBox(0),
m_zoomCheckBox(0),
m_scrollCheckBox(0),
m_baseLayout(new QGraphicsLinearLayout()),
m_menu(createMenu()),
m_template(0),
m_grid(new Grid(-1))
{
createProxyWidgets();
// 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["viewLabel"]);
settingsLayout->addItem(m_widgetHash["viewComboBox"]);
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->setOrientation(Qt::Horizontal);
m_baseLayout->addItem(m_grid);
m_baseLayout->addItem(settingsLayout);
m_form = new QGraphicsWidget();
m_form->setLayout(m_baseLayout);
m_scene->addItem(m_form);
m_view = new View(m_scene, m_form);
m_view->setMinimumSize(m_form->minimumSize().toSize());
// Set defaults
m_antialiasCheckBox->setChecked(true);
initializeFromParamaters(parameters);
updateUI();
if(!m_category.isEmpty() && !m_subcategory.isEmpty() && !m_name.isEmpty())
m_grid->createCharts(m_category,m_subcategory,m_name);
handleGeometryChanged();
setCentralWidget(m_view);
connectSignals();
}
Window::~Window()
{
}
void Window::connectSignals()
{
QObject::connect(m_form, SIGNAL(geometryChanged()), this , SLOT(handleGeometryChanged()));
QObject::connect(m_viewComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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()));
QObject::connect(m_grid, SIGNAL(chartSelected(QChart*)), this, SLOT(handleChartSelected(QChart*)));
}
void Window::createProxyWidgets()
{
m_themeComboBox = createThemeBox();
m_viewComboBox = createViewBox();
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["viewLabel"] = m_scene->addWidget(new QLabel("View"));
m_widgetHash["viewComboBox"] = m_scene->addWidget(m_viewComboBox);
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::createViewBox()
{
QComboBox *viewComboBox = new ComboBox(this);
viewComboBox->addItem("1 chart", 1);
viewComboBox->addItem("4 charts", 2);
viewComboBox->addItem("9 charts", 3);
viewComboBox->addItem("16 charts", 4);
return viewComboBox;
}
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::initializeFromParamaters(const QVariantHash &parameters)
{
if (parameters.contains("view")) {
int t = parameters["view"].toInt();
for (int i = 0; i < m_viewComboBox->count(); ++i) {
if (m_viewComboBox->itemData(i).toInt() == t) {
m_viewComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("chart")) {
QString t = parameters["chart"].toString();
QRegExp rx("([a-zA-Z0-9_]*)::([a-zA-Z0-9_]*)::([a-zA-Z0-9_]*)");
int pos = rx.indexIn(t);
if (pos > -1) {
m_category = rx.cap(1);
m_subcategory = rx.cap(2);
m_name = rx.cap(3);
m_templateComboBox->setCurrentIndex(0);
}
else {
for (int i = 0; i < m_templateComboBox->count(); ++i) {
if (m_templateComboBox->itemText(i) == t) {
m_templateComboBox->setCurrentIndex(i);
break;
}
}
}
}
if (parameters.contains("opengl")) {
bool checked = parameters["opengl"].toBool();
m_openGLCheckBox->setChecked(checked);
}
if (parameters.contains("theme")) {
QString t = parameters["theme"].toString();
for (int i = 0; i < m_themeComboBox->count(); ++i) {
if (m_themeComboBox->itemText(i) == t) {
m_themeComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("animation")) {
QString t = parameters["animation"].toString();
for (int i = 0; i < m_animatedComboBox->count(); ++i) {
if (m_animatedComboBox->itemText(i) == t) {
m_animatedComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("legend")) {
QString t = parameters["legend"].toString();
for (int i = 0; i < m_legendComboBox->count(); ++i) {
if (m_legendComboBox->itemText(i) == t) {
m_legendComboBox->setCurrentIndex(i);
break;
}
}
}
}
void Window::updateUI()
{
checkView();
checkTemplate();
checkOpenGL();
checkTheme();
checkAnimationOptions();
checkLegend();
checkState();
}
void Window::checkView()
{
int count(m_viewComboBox->itemData(m_viewComboBox->currentIndex()).toInt());
if(m_grid->size()!=count){
m_grid->setSize(count);
m_template = 0;
}
}
void Window::checkLegend()
{
Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
if (!alignment) {
foreach (QChart *chart, m_grid->charts())
chart->legend()->hide();
} else {
foreach (QChart *chart, m_grid->charts()) {
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());
QList<QChart *> charts = m_grid->charts();
if (!charts.isEmpty() && charts.at(0)->animationOptions() != options) {
foreach (QChart *chart, charts)
chart->setAnimationOptions(options);
}
}
void Window::checkState()
{
bool scroll = m_scrollCheckBox->isChecked();
if (m_grid->state() != Grid::ScrollState && scroll) {
m_grid->setState(Grid::ScrollState);
m_zoomCheckBox->setChecked(false);
} else if (!scroll && m_grid->state() == Grid::ScrollState) {
m_grid->setState(Grid::NoState);
}
bool zoom = m_zoomCheckBox->isChecked();
if (m_grid->state() != Grid::ZoomState && zoom) {
m_grid->setState(Grid::ZoomState);
m_scrollCheckBox->setChecked(false);
} else if (!zoom && m_grid->state() == Grid::ZoomState) {
m_grid->setState(Grid::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();
m_grid->createCharts(category);
}
void Window::checkTheme()
{
QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
m_themeComboBox->currentIndex()).toInt();
foreach (QChart *chart, m_grid->charts())
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_grid->setRubberPen(pal.color((QPalette::WindowText)));
}
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::handleChartSelected(QChart *qchart)
{
if (m_templateComboBox->currentIndex() != 0)
return;
QAction *chosen = m_menu->exec(QCursor::pos());
if (chosen) {
Chart *chart = (Chart *) chosen->data().value<void *>();
m_grid->replaceChart(qchart, chart);
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;
}
void Window::handleGeometryChanged()
{
QSizeF size = m_baseLayout->sizeHint(Qt::MinimumSize);
m_view->scene()->setSceneRect(0, 0, this->width(), this->height());
m_view->setMinimumSize(size.toSize());
}