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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "window.h"
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#include "view.h"
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#include "charts.h"
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#include <QChartView>
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#include <QAreaSeries>
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#include <QLegend>
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#include <QGridLayout>
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#include <QFormLayout>
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#include <QComboBox>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QGroupBox>
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#include <QLabel>
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#include <QGraphicsScene>
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#include <QGraphicsGridLayout>
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#include <QGraphicsLinearLayout>
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#include <QGraphicsProxyWidget>
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#include <QGLWidget>
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#include <QApplication>
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#include <QDebug>
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#include <QMenu>
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Window::Window(QWidget* parent) :
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QMainWindow(parent),
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m_listCount(3),
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m_valueMax(10),
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m_valueCount(7),
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m_scene(new QGraphicsScene(this)),
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m_view(0),
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m_dataTable(Model::generateRandomData(m_listCount, m_valueMax, m_valueCount)),
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m_form(0),
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m_themeComboBox(0),
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m_antialiasCheckBox(0),
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m_animatedComboBox(0),
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m_legendComboBox(0),
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m_openGLCheckBox(0),
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m_zoomCheckBox(0),
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m_scrollCheckBox(0),
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m_rubberBand(new QGraphicsRectItem()),
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m_baseLayout(new QGraphicsGridLayout()),
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m_menu(new QMenu(this)),
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m_state(NoState),
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m_currentState(NoState)
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{
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createProxyWidgets();
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connectSignals();
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// create layout
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QGraphicsLinearLayout *settingsLayout = new QGraphicsLinearLayout();
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settingsLayout->setOrientation(Qt::Vertical);
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settingsLayout->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
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settingsLayout->addItem(m_widgetHash["openGLCheckBox"]);
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settingsLayout->addItem(m_widgetHash["antialiasCheckBox"]);
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settingsLayout->addItem(m_widgetHash["themeLabel"]);
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settingsLayout->addItem(m_widgetHash["themeComboBox"]);
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settingsLayout->addItem(m_widgetHash["animationsLabel"]);
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settingsLayout->addItem(m_widgetHash["animatedComboBox"]);
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settingsLayout->addItem(m_widgetHash["legendLabel"]);
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settingsLayout->addItem(m_widgetHash["legendComboBox"]);
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settingsLayout->addItem(m_widgetHash["scrollCheckBox"]);
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settingsLayout->addItem(m_widgetHash["zoomCheckBox"]);
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settingsLayout->addStretch();
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m_baseLayout->addItem(settingsLayout, 0, 3, 2, 1);
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//create charts
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Charts::ChartList list = Charts::chartList();
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for (int i = 0; i < 9 && i < list.size(); ++i) {
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QChart* chart = list.at(i)->createChart(m_dataTable);
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m_baseLayout->addItem(chart, i / 3, i % 3);
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m_chartHash[chart] = i;
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}
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foreach(Chart* chart, list) {
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createMenuAction(m_menu, QIcon(), chart->name(), qVariantFromValue((void *) chart));
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}
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m_form = new QGraphicsWidget();
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m_form->setLayout(m_baseLayout);
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m_scene->addItem(m_form);
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m_scene->addItem(m_rubberBand);
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m_rubberBand->setVisible(false);
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m_view = new View(m_scene, m_form);
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m_view->setMinimumSize(m_form->preferredSize().toSize());
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// Set defaults
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m_antialiasCheckBox->setChecked(true);
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updateUI();
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setCentralWidget(m_view);
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}
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Window::~Window()
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{
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}
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void Window::connectSignals()
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{
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QObject::connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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QObject::connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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QObject::connect(m_openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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QObject::connect(m_zoomCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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QObject::connect(m_scrollCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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QObject::connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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QObject::connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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}
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void Window::createProxyWidgets()
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{
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m_themeComboBox = createThemeBox();
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m_antialiasCheckBox = new QCheckBox(tr("Anti-aliasing"));
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m_animatedComboBox = createAnimationBox();
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m_legendComboBox = createLegendBox();
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m_openGLCheckBox = new QCheckBox(tr("OpenGL"));
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m_zoomCheckBox = new QCheckBox(tr("Zoom"));
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m_scrollCheckBox = new QCheckBox(tr("Scroll"));
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m_widgetHash["themeComboBox"] = m_scene->addWidget(m_themeComboBox);
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m_widgetHash["antialiasCheckBox"] = m_scene->addWidget(m_antialiasCheckBox);
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m_widgetHash["animatedComboBox"] = m_scene->addWidget(m_animatedComboBox);
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m_widgetHash["legendComboBox"] = m_scene->addWidget(m_legendComboBox);
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m_widgetHash["openGLCheckBox"] = m_scene->addWidget(m_openGLCheckBox);
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m_widgetHash["themeLabel"] = m_scene->addWidget(new QLabel("Theme"));
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m_widgetHash["animationsLabel"] = m_scene->addWidget(new QLabel("Animations"));
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m_widgetHash["legendLabel"] = m_scene->addWidget(new QLabel("Legend"));
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m_widgetHash["zoomCheckBox"] = m_scene->addWidget(m_zoomCheckBox);
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m_widgetHash["scrollCheckBox"] = m_scene->addWidget(m_scrollCheckBox);
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}
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QComboBox* Window::createThemeBox()
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{
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QComboBox* themeComboBox = new ComboBox(this);
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themeComboBox->addItem("Light", QChart::ChartThemeLight);
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themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
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themeComboBox->addItem("Dark", QChart::ChartThemeDark);
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themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
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themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
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themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
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themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
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return themeComboBox;
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}
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QComboBox* Window::createAnimationBox()
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{
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QComboBox* animationComboBox = new ComboBox(this);
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animationComboBox->addItem("No Animations", QChart::NoAnimation);
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animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
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animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
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animationComboBox->addItem("All Animations", QChart::AllAnimations);
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return animationComboBox;
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}
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QComboBox* Window::createLegendBox()
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{
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QComboBox* legendComboBox = new ComboBox(this);
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legendComboBox->addItem("No Legend ", 0);
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legendComboBox->addItem("Legend Top", Qt::AlignTop);
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legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
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legendComboBox->addItem("Legend Left", Qt::AlignLeft);
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legendComboBox->addItem("Legend Right", Qt::AlignRight);
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return legendComboBox;
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}
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void Window::updateUI()
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{
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checkOpenGL();
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checkTheme();
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checkAnimationOptions();
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checkLegend();
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checkState();
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}
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void Window::checkLegend()
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{
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Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
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if (!alignment) {
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foreach (QChart *chart, m_chartHash.keys()) {
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chart->legend()->hide();
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}
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}
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else {
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foreach (QChart *chart, m_chartHash.keys()) {
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chart->legend()->setAlignment(alignment);
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chart->legend()->show();
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}
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}
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}
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void Window::checkOpenGL()
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{
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bool opengl = m_openGLCheckBox->isChecked();
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bool isOpengl = qobject_cast<QGLWidget*>(m_view->viewport());
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if ((isOpengl && !opengl) || (!isOpengl && opengl)) {
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m_view->deleteLater();
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m_view = new View(m_scene, m_form);
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m_view->setViewport(!opengl ? new QWidget() : new QGLWidget());
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setCentralWidget(m_view);
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}
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bool antialias = m_antialiasCheckBox->isChecked();
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if (opengl)
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m_view->setRenderHint(QPainter::HighQualityAntialiasing, antialias);
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else
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m_view->setRenderHint(QPainter::Antialiasing, antialias);
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}
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void Window::checkAnimationOptions()
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{
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QChart::AnimationOptions options(
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m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
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if (!m_chartHash.isEmpty() && m_chartHash.keys().at(0)->animationOptions() != options) {
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foreach (QChart *chart, m_chartHash.keys())
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chart->setAnimationOptions(options);
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}
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}
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void Window::checkState()
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{
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bool scroll = m_scrollCheckBox->isChecked();
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if (m_state != ScrollState && scroll) {
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m_state = ScrollState;
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m_zoomCheckBox->setChecked(false);
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}
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else if (!scroll && m_state == ScrollState) {
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m_state = NoState;
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}
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bool zoom = m_zoomCheckBox->isChecked();
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if (m_state != ZoomState && zoom) {
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m_state = ZoomState;
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m_scrollCheckBox->setChecked(false);
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}
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else if (!zoom && m_state == ZoomState) {
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m_state = NoState;
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}
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}
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void Window::checkTheme()
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{
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QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
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m_themeComboBox->currentIndex()).toInt();
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foreach (QChart *chart, m_chartHash.keys())
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chart->setTheme(theme);
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QPalette pal = window()->palette();
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if (theme == QChart::ChartThemeLight) {
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pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeDark) {
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pal.setColor(QPalette::Window, QRgb(0x121218));
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pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
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}
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else if (theme == QChart::ChartThemeBlueCerulean) {
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pal.setColor(QPalette::Window, QRgb(0x40434a));
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pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
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}
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else if (theme == QChart::ChartThemeBrownSand) {
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pal.setColor(QPalette::Window, QRgb(0x9e8965));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeBlueNcs) {
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pal.setColor(QPalette::Window, QRgb(0x018bba));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeHighContrast) {
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pal.setColor(QPalette::Window, QRgb(0xffab03));
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pal.setColor(QPalette::WindowText, QRgb(0x181818));
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}
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else if (theme == QChart::ChartThemeBlueIcy) {
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pal.setColor(QPalette::Window, QRgb(0xcee7f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else {
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pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
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widget->setPalette(pal);
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}
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m_view->setBackgroundBrush(pal.color((QPalette::Window)));
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m_rubberBand->setPen(pal.color((QPalette::WindowText)));
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}
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void Window::mousePressEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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m_origin = event->pos();
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m_currentState = NoState;
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foreach (QChart *chart, m_chartHash.keys()) {
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QRectF geometryRect = chart->geometry();
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QRectF plotArea = chart->plotArea();
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plotArea.translate(geometryRect.topLeft());
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if (plotArea.contains(m_origin)) {
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m_currentState = m_state;
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if (m_currentState == NoState) {
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showMenu(chart);
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}
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break;
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}
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}
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if (m_currentState == ZoomState) {
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m_rubberBand->setRect(QRectF(m_origin, QSize()));
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m_rubberBand->setVisible(true);
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}
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event->accept();
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}
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if (event->button() == Qt::RightButton) {
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m_origin = event->pos();
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m_currentState = m_state;
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}
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}
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void Window::mouseMoveEvent(QMouseEvent *event)
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{
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if ( m_currentState != NoState) {
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foreach (QChart *chart, m_chartHash.keys()) {
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QRectF geometryRect = chart->geometry();
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QRectF plotArea = chart->plotArea();
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plotArea.translate(geometryRect.topLeft());
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if (plotArea.contains(m_origin)) {
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if (m_currentState == ScrollState) {
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QPointF delta = m_origin - event->pos();
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chart->scroll(delta.x(), -delta.y());
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}
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if (m_currentState == ZoomState && plotArea.contains(event->pos())) {
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m_rubberBand->setRect(QRectF(m_origin, event->pos()).normalized());
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}
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break;
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}
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}
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if(m_currentState == ScrollState) m_origin = event->pos();
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event->accept();
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}
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}
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void Window::mouseReleaseEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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if (m_currentState == ZoomState) {
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m_rubberBand->setVisible(false);
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foreach (QChart *chart, m_chartHash.keys()) {
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QRectF geometryRect = chart->geometry();
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QRectF plotArea = chart->plotArea();
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plotArea.translate(geometryRect.topLeft());
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if (plotArea.contains(m_origin)) {
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QRectF rect = m_rubberBand->rect();
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rect.translate(-geometryRect.topLeft());
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chart->zoomIn(rect);
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break;
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}
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}
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}
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m_currentState = NoState;
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event->accept();
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}
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if (event->button() == Qt::RightButton) {
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if (m_currentState == ZoomState) {
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foreach (QChart *chart, m_chartHash.keys()) {
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QRectF geometryRect = chart->geometry();
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QRectF plotArea = chart->plotArea();
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plotArea.translate(geometryRect.topLeft());
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if (plotArea.contains(m_origin)) {
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QRectF rect = m_rubberBand->rect();
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chart->zoomOut();
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break;
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}
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}
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}
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}
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}
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void Window::comboBoxFocused(QComboBox *combobox)
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|
|
{
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|
foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
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if(widget->widget()==combobox)
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widget->setZValue(2.0);
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else
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widget->setZValue(0.0);
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}
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}
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void Window::showMenu(QChart* qchart)
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|
{
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QAction *chosen = m_menu->exec(QCursor::pos());
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|
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if (chosen) {
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Chart* chart = (Chart *) chosen->data().value<void *>();
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int index = m_chartHash[qchart];
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//not in 4.7.2 m_baseLayout->removeItem(qchart);
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for(int i = 0 ; i < m_baseLayout->count();++i)
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|
{
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|
if(m_baseLayout->itemAt(i)==qchart){
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|
m_baseLayout->removeAt(i);
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|
break;
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|
}
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}
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|
|
|
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|
m_chartHash.remove(qchart);
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|
QChart* newChart = chart->createChart(m_dataTable);
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|
m_baseLayout->addItem(newChart, index / 3, index % 3);
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|
m_chartHash[newChart] = index;
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|
|
delete qchart;
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updateUI();
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}
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}
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QAction* Window::createMenuAction(QMenu *menu, const QIcon &icon, const QString &text,
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|
const QVariant &data)
|
|
|
{
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|
|
QAction *action = menu->addAction(icon, text);
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|
|
action->setCheckable(false);
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|
action->setData(data);
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|
return action;
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|
}
|
|
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|
