##// END OF EJS Templates
Added axes titles to audio example and decreased the number of samples on chart to 2000
Added axes titles to audio example and decreased the number of samples on chart to 2000

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r2110:a93a773ef512
r2214:0a3cbf6ad29b
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mainwindow.cpp
423 lines | 13.5 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 "mainwindow.h"
#include "objectinspectorwidget.h"
#include "penwidget.h"
#include "brushwidget.h"
#include "engine.h"
#include <QSettings>
#include <QChartView>
#include <QDockWidget>
#include <QMenuBar>
#include <QTableWidget>
#include <QSplitter>
#include <QMetaEnum>
#include <QStandardItemModel>
#include <QHeaderView>
#include <QDebug>
#include <QMessageBox>
static const QString FILENAME_SETTING("filename");
static const QString GEOMETRY_SETTING("geometry");
MainWindow::MainWindow() :
m_engine(new Engine(this)),
m_view(new QChartView(m_engine->chart())),
m_scene(m_view->scene()),
m_table(new QTableView()),
m_addSeriesMenu(0),
m_seriesMenu(0),
m_chartMenu(0),
m_themeMenu(0),
m_animationMenu(0),
m_zoomMenu(0),
m_removeAllAction(0),
m_legendAction(0),
m_antialiasingAction(0)
{
createMenus();
createDockWidgets();
createTable();
createLayout();
QSettings settings;
restoreGeometry(settings.value(GEOMETRY_SETTING).toByteArray());
m_filename = settings.value(FILENAME_SETTING).toString();
if (m_filename.isEmpty())
m_filename = "untitled";
setWindowTitle(m_filename);
updateUI();
}
MainWindow::~MainWindow()
{
delete m_engine;
}
void MainWindow::createMenus()
{
QMenu *file = menuBar()->addMenu(tr("File"));
QMenu *edit = menuBar()->addMenu(tr("Edit"));
m_seriesMenu = menuBar()->addMenu(tr("Series"));
m_chartMenu = menuBar()->addMenu(tr("Chart"));
m_addSeriesMenu = new QMenu(tr("Add series"));
m_themeMenu = new QMenu(tr("Apply theme"));
m_animationMenu = new QMenu(tr("Animations"));
m_zoomMenu = new QMenu(tr("Zoom"));
file->addAction(tr("New"), this, SLOT(handleNewAction()));
file->addAction(tr("Load"), this, SLOT(handleLoadAction()));
file->addAction(tr("Save"), this, SLOT(handleSaveAction()));
file->addAction(tr("Save As"), this, SLOT(handleSaveAsAction()));
//seriesMenu
m_seriesMenu->addMenu(m_addSeriesMenu);
m_removeAllAction = new QAction(tr("Remove all series"), this);
QObject::connect(m_removeAllAction, SIGNAL(triggered()), this, SLOT(handleRemoveAllSeriesAction()));
m_seriesMenu->addAction(m_removeAllAction);
m_seriesMenu->addSeparator();
//seriesMenu /addSeriesMenu
{
int index = QAbstractSeries::staticMetaObject.indexOfEnumerator("SeriesType");
QMetaEnum metaEnum = QAbstractSeries::staticMetaObject.enumerator(index);
int count = metaEnum.keyCount();
for (int i = 0; i < count; ++i) {
QAction* action = new QAction(metaEnum.key(i), this);
action->setData(metaEnum.value(i));
m_addSeriesMenu->addAction(action);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(handleAddSeriesMenu()));
}
}
//chartMenu / themeMenu
{
m_chartMenu->addMenu(m_themeMenu);
int index = QChart::staticMetaObject.indexOfEnumerator("ChartTheme");
QMetaEnum metaEnum = QChart::staticMetaObject.enumerator(index);
int count = metaEnum.keyCount();
for (int i = 0; i < count; ++i) {
QAction* action = new QAction(metaEnum.key(i), this);
action->setData(metaEnum.value(i));
action->setCheckable(true);
m_themeMenu->addAction(action);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(handleThemeMenu()));
}
}
//chartMenu / animationMenu
{
m_chartMenu->addMenu(m_animationMenu);
int index = QChart::staticMetaObject.indexOfEnumerator("AnimationOption");
QMetaEnum metaEnum = QChart::staticMetaObject.enumerator(index);
int count = metaEnum.keyCount();
for (int i = 0; i < count; ++i) {
QAction* action = new QAction(metaEnum.key(i), this);
action->setData(metaEnum.value(i));
action->setCheckable(true);
m_animationMenu->addAction(action);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(handleAnimationMenu()));
}
}
//chartMenu / zoomMenu
{
m_chartMenu->addMenu(m_zoomMenu);
int index = QChartView::staticMetaObject.indexOfEnumerator("RubberBand");
QMetaEnum metaEnum = QChartView::staticMetaObject.enumerator(index);
int count = metaEnum.keyCount();
for (int i = 0; i < count; ++i) {
QAction* action = new QAction(metaEnum.key(i), this);
action->setData(metaEnum.value(i));
action->setCheckable(true);
m_zoomMenu->addAction(action);
QObject::connect(action, SIGNAL(triggered()), this, SLOT(handleZoomMenu()));
}
}
//chartMenu / legend
m_legendAction = new QAction(tr("Legend"), this);
m_legendAction->setCheckable(true);
m_chartMenu->addAction(m_legendAction);
QObject::connect(m_legendAction, SIGNAL(triggered()), this, SLOT(handleLegendAction()));
//chartMenu / Anti-aliasing
m_antialiasingAction = new QAction(tr("Anti-aliasing"), this);
m_antialiasingAction->setCheckable(true);
m_chartMenu->addAction(m_antialiasingAction);
QObject::connect(m_antialiasingAction, SIGNAL(triggered()), this, SLOT(handleAntialiasingAction()));
}
void MainWindow::createDockWidgets()
{
m_brushWidget = new BrushWidget();
QDockWidget *brushDockWidget = new QDockWidget(tr("Brush"), this);
brushDockWidget->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
brushDockWidget->setWidget(m_brushWidget);
addDockWidget(Qt::RightDockWidgetArea, brushDockWidget);
m_penWidget = new PenWidget();
QDockWidget *penDockWidget = new QDockWidget(tr("Pen"), this);
penDockWidget->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
penDockWidget->setWidget(m_penWidget);
addDockWidget(Qt::RightDockWidgetArea, penDockWidget);
m_inspectorWidget = new InspectorWidget();
QDockWidget *inspectorDockWidget = new QDockWidget(tr("Object Inspector"), this);
inspectorDockWidget->setFeatures(
QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable);
inspectorDockWidget->setWidget(m_inspectorWidget);
addDockWidget(Qt::RightDockWidgetArea, inspectorDockWidget);
setDockOptions(QMainWindow::AnimatedDocks);
}
void MainWindow::createLayout()
{
m_table->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
int rowHeight = m_table->rowHeight(0);
int tableHeight = (m_engine->modelCount() * rowHeight) + m_table->horizontalHeader()->height() + 2 * m_table->frameWidth();
m_table->setMinimumHeight(tableHeight);
m_table->setMaximumHeight(tableHeight);
QSplitter *splitter = new QSplitter(this);
splitter->setOrientation(Qt::Vertical);
splitter->addWidget(m_table);
splitter->addWidget(m_view);
setCentralWidget(splitter);
m_view->hide();
}
void MainWindow::createTable()
{
m_table->setModel(m_engine->model());
m_table->setSelectionModel(m_engine->selectionModel());
QObject::connect(m_table->selectionModel(),SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this,SLOT(updateUI()));
}
void MainWindow::updateUI()
{
QItemSelectionModel* selection = m_table->selectionModel();
const QModelIndexList& list = selection->selectedIndexes();
QMap<int, QModelIndex> columns;
foreach (const QModelIndex& index, list) {
columns.insertMulti(index.column(), index);
}
QList<int> keys = columns.uniqueKeys();
bool seriesEnabled = false;
foreach (QAction* action, m_addSeriesMenu->actions()) {
switch (action->data().toInt()) {
case QAbstractSeries::SeriesTypeLine:
case QAbstractSeries::SeriesTypeSpline:
case QAbstractSeries::SeriesTypeScatter:
action->setEnabled(list.count() > 0 && keys.count() >= 2);
seriesEnabled |= action->isEnabled();
break;
case QAbstractSeries::SeriesTypeBar:
case QAbstractSeries::SeriesTypePercentBar:
case QAbstractSeries::SeriesTypeStackedBar:
action->setEnabled(list.count() > 0 && keys.count() >= 2);
seriesEnabled |= action->isEnabled();
break;
case QAbstractSeries::SeriesTypePie:
action->setEnabled(list.count() > 0 && keys.count() == 2);
seriesEnabled |= action->isEnabled();
break;
case QAbstractSeries::SeriesTypeArea:
action->setEnabled(list.count() > 0 && keys.count() == 3);
seriesEnabled |= action->isEnabled();
break;
}
}
m_chartMenu->setEnabled(m_engine->chart()->series().count() > 0);
m_seriesMenu->setEnabled(seriesEnabled || m_engine->chart()->series().count() > 0);
m_removeAllAction->setEnabled(m_engine->chart()->series().count() > 0);
int theme = m_engine->chart()->theme();
foreach (QAction* action, m_themeMenu->actions()) {
action->setChecked(action->data().toInt() == theme);
}
int animation = m_engine->chart()->animationOptions();
foreach (QAction* action, m_animationMenu->actions()) {
action->setChecked(action->data().toInt() == animation);
}
int zoom = m_view->rubberBand();
foreach (QAction* action, m_zoomMenu->actions()) {
action->setChecked(action->data().toInt() == zoom);
}
m_legendAction->setChecked(m_engine->chart()->legend()->isVisible());
m_antialiasingAction->setChecked(m_view->renderHints().testFlag(QPainter::Antialiasing));
foreach (QAction *action, m_seriesMenu->actions()) {
//TODO: visibility handling
//if (m_series.value(action->text()))
// ;
//action->setChecked(false);
}
}
void MainWindow::closeEvent(QCloseEvent *event)
{
QSettings settings;
settings.setValue(GEOMETRY_SETTING, saveGeometry());
settings.setValue(FILENAME_SETTING, m_filename);
QMainWindow::closeEvent(event);
}
//handlers
void MainWindow::handleNewAction()
{
m_engine->chart()->removeAllSeries();
m_view->hide();
m_engine->clearModels();
createTable();
m_filename = "untitled";
setWindowTitle(m_filename);
updateUI();
}
void MainWindow::handleAddSeriesMenu()
{
m_view->show();
QAction* action = qobject_cast<QAction*>(sender());
QList<QAbstractSeries*> series = m_engine->addSeries(QAbstractSeries::SeriesType(action->data().toInt()));
foreach (QAbstractSeries* s , series)
{
QAction *newAction = new QAction(s->name(),this);
//newAction->setCheckable(true);
m_series.insert(s->name(),s);
m_seriesMenu->addAction(newAction);
}
updateUI();
}
void MainWindow::handleRemoveAllSeriesAction()
{
foreach (QAction* action, m_seriesMenu->actions()){
if(m_series.contains(action->text())){
m_seriesMenu->removeAction(action);
m_engine->removeSeries(m_series.value(action->text()));
delete action;
}
}
m_series.clear();
m_view->hide();
updateUI();
}
void MainWindow::handleThemeMenu()
{
QAction* action = qobject_cast<QAction*>(sender());
m_engine->chart()->setTheme(QChart::ChartTheme(action->data().toInt()));
updateUI();
}
void MainWindow::handleAnimationMenu()
{
QAction* action = qobject_cast<QAction*>(sender());
m_engine->chart()->setAnimationOptions(QChart::AnimationOption(action->data().toInt()));
updateUI();
}
void MainWindow::handleZoomMenu()
{
QAction* action = qobject_cast<QAction*>(sender());
m_view->setRubberBand(QChartView::RubberBand(action->data().toInt()));
updateUI();
}
void MainWindow::handleAntialiasingAction()
{
QAction* action = qobject_cast<QAction*>(sender());
if (action->isChecked()) {
m_view->setRenderHint(QPainter::Antialiasing, true);
}
else {
m_view->setRenderHint(QPainter::Antialiasing, false);
}
}
void MainWindow::handleLegendAction()
{
QAction* action = qobject_cast<QAction*>(sender());
if (action->isChecked()) {
m_engine->chart()->legend()->setVisible(true);
}
else {
m_engine->chart()->legend()->setVisible(false);
}
}
void MainWindow::handleSaveAction()
{
if(!m_engine->save(m_filename)) {
QScopedPointer<QMessageBox> messageBox(new QMessageBox(this));
messageBox->setIcon(QMessageBox::Warning);
messageBox->setWindowModality(Qt::WindowModal);
messageBox->setWindowTitle(QString(tr("Error")));
messageBox->setText(tr("Could not write to ") + m_filename);
messageBox->exec();
}
}
void MainWindow::handleLoadAction()
{
if(!m_engine->load(m_filename)) {
QScopedPointer<QMessageBox> messageBox(new QMessageBox(this));
messageBox->setIcon(QMessageBox::Warning);
messageBox->setWindowModality(Qt::WindowModal);
messageBox->setWindowTitle(QString(tr("Error")));
messageBox->setText(tr("Could not open ") + m_filename);
messageBox->exec();
}else createTable();
}