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50
51#include "mainwindow.h"
52#include "ui_mainwindow.h"
53
54#include <QScxmlStateMachine>
55#include <QStringListModel>
56
57QT_USE_NAMESPACE
58
59MainWindow::MainWindow(QScxmlStateMachine *stateMachine, QWidget *parent) :
60 QWidget(parent),
61 ui(new Ui::MainWindow)
62{
63 ui->setupUi(this);
64
65 auto model = new QStringListModel(QStringList() << QStringLiteral("song 1")
66 << QStringLiteral("song 2")
67 << QStringLiteral("song 3"),
68 this);
69 ui->mediaListView->setModel(model);
70
71 connect(sender: ui->mediaListView, signal: &QAbstractItemView::clicked,
72 slot: [model, stateMachine](const QModelIndex &index) {
73 QVariantMap data;
74 data.insert(QStringLiteral("media"),
75 avalue: model->data(index, role: Qt::EditRole).toString());
76 stateMachine->submitEvent(eventName: "tap", data);
77 });
78
79 stateMachine->connectToEvent(scxmlEventSpec: "playbackStarted", receiver: this, method: &MainWindow::started);
80 stateMachine->connectToEvent(scxmlEventSpec: "playbackStopped", receiver: this, method: &MainWindow::stopped);
81}
82
83MainWindow::~MainWindow()
84{
85 delete ui;
86}
87
88void MainWindow::started(const QScxmlEvent &event)
89{
90 const QString media = event.data().toMap().value(akey: "media").toString();
91 ui->logText->appendPlainText(QStringLiteral(
92 "call on slot started with media '%1'").arg(a: media));
93 ui->statusLabel->setText(QStringLiteral("Playing %1").arg(a: media));
94}
95
96void MainWindow::stopped(const QScxmlEvent &event)
97{
98 const QString media = event.data().toMap().value(akey: "media").toString();
99 ui->logText->appendPlainText(QStringLiteral(
100 "call on slot stopped with media '%1'").arg(a: media));
101 ui->statusLabel->setText(QStringLiteral("Stopped"));
102}
103

source code of qtscxml/examples/scxml/mediaplayer-common/mainwindow.cpp