interactionswidget.cpp

Enable keyboard shortcuts

++ // Copyright (C) 2023 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #include "interactionschart.h"

++ #include "interactionsview.h"

++ #include "interactionswidget.h"

++

++ #include <QChart>

++ #include <QLineSeries>

++ #include <QValueAxis>

++

++ InteractionsWidget::InteractionsWidget(QWidget *parent)

++     : ContentWidget(parent)

++ {

++     auto series = new QLineSeries;

++

++     series->append(0, 6);

++     series->append(1, 3);

++     series->append(2, 4);

++     series->append(3, 8);

++     series->append(7, 13);

++     series->append(10, 5);

++     *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);

++

++     auto chart = new InteractionsChart(0, {}, series);

++     chart->legend()->hide();

++     chart->addSeries(series);

++     QPen p = series->pen();

++     p.setWidth(5);

++     series->setPen(p);

++     chart->setTitle("Drag and drop data points to move them");

++

++     auto axisX = new QValueAxis;

++     chart->addAxis(axisX, Qt::AlignBottom);

++     axisX->setRange(0, 20);

++     series->attachAxis(axisX);

++

++     auto axisY = new QValueAxis;

++     chart->addAxis(axisY, Qt::AlignLeft);

++     axisY->setRange(0, 13);

++     series->attachAxis(axisY);

++

++     QObject::connect(series, &QLineSeries::pressed, chart, &InteractionsChart::clickPoint);

++

++     auto view = new InteractionsView(chart, this);

++     setDefaultChartView(view);

++ }