piewidget.cpp - mozsearch

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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()

    //! [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;