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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "piewidget.h"
#include "piegraph.h"
#include <QGraphsTheme>
PieWidget::PieWidget(QWidget *parent)
{
Q_UNUSED(parent)
//! [1]
m_pieGraph = new PieGraph;
//! [1]
//! [0]
m_quickWidget = new QQuickWidget;
m_widget = new QWidget;
m_vLayout = new QVBoxLayout(m_widget);
m_hLayout = new QHBoxLayout;
//! [0]
initializeQuickWidget();
initializeButtons();
//! [4]
m_vLayout->addLayout(m_hLayout);
m_vLayout->addWidget(m_quickWidget, 1);
//! [4]
}
PieWidget::~PieWidget()
{
delete m_quickWidget;
delete m_hLayout;
delete m_vLayout;
delete m_widget;
delete m_pieGraph;
}
//! [3]
void PieWidget::initializeButtons()
{
QPushButton *addButton = new QPushButton("Add Slice");
QPushButton *removeButton = new QPushButton("Remove Slice");
QPushButton *explodeButton = new QPushButton("Explode All");
QPushButton *clearButton = new QPushButton("Clear Series");
m_hLayout->addWidget(addButton);
m_hLayout->addWidget(removeButton);
m_hLayout->addWidget(explodeButton);
m_hLayout->addWidget(clearButton);
QObject::connect(addButton, &QPushButton::clicked, m_pieGraph, &PieGraph::onAddSlice);
QObject::connect(removeButton, &QPushButton::clicked, m_pieGraph, &PieGraph::onRemoveSlice);
QObject::connect(explodeButton, &QPushButton::clicked, m_pieGraph, &PieGraph::onExplode);
QObject::connect(clearButton, &QPushButton::clicked, m_pieGraph, &PieGraph::onClearSeries);
}
//! [3]
void PieWidget::initializeQuickWidget()
{
#ifdef Q_OS_WIN
QString extraImportPath(QStringLiteral("%1/../../../../%2"));
#else
QString extraImportPath(QStringLiteral("%1/../../../%2"));
#endif
m_quickWidget->engine()->addImportPath(
extraImportPath.arg(QGuiApplication::applicationDirPath(), QString::fromLatin1("qml")));
//! [5]
auto theme = new QGraphsTheme(m_quickWidget);
theme->setTheme(QGraphsTheme::Theme::BlueSeries);
theme->setLabelBorderVisible(true);
theme->setLabelBackgroundVisible(true);
theme->setBackgroundColor(Qt::black);
//! [5]
//! [2]
m_quickWidget->setResizeMode(QQuickWidget::SizeRootObjectToView);
m_quickWidget->resize(1280, 720);
m_quickWidget->setInitialProperties({
{"theme", QVariant::fromValue(theme) },
{"seriesList", QVariant::fromValue(m_pieGraph->pieSeries()) }
});
m_quickWidget->loadFromModule("QtGraphs", "GraphsView");
//! [2]
}
QWidget *PieWidget::containerWidget() const
{
return m_widget;
}
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