main.qml Example File

** Copyright (C) 2014 Klar��lvdalens Datakonsult AB, a KDAB Group company,, author Milian Wolff <>
** Contact:
** This file is part of the QtWebSocket module of the Qt Toolkit.
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** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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import QtQuick 2.0
import QtWebSockets 1.0

Rectangle {
    width: 360
    height: 360

    function appendMessage(message) {
        messageBox.text += "\n" + message

    WebSocketServer {
        id: server
        listen: true
        onClientConnected: {
            webSocket.onTextMessageReceived.connect(function(message) {
                appendMessage(qsTr("Server received message: %1").arg(message));
                webSocket.sendTextMessage(qsTr("Hello Client!"));
        onErrorStringChanged: {
            appendMessage(qsTr("Server error: %1").arg(errorString));

    WebSocket {
        id: socket
        url: server.url
        onTextMessageReceived: appendMessage(qsTr("Client received message: %1").arg(message))
        onStatusChanged: {
            if (socket.status == WebSocket.Error) {
                appendMessage(qsTr("Client error: %1").arg(socket.errorString));
            } else if (socket.status == WebSocket.Closed) {
                appendMessage(qsTr("Client socket closed."));

    Text {
        id: messageBox
        text: qsTr("Click to send a message!")
        anchors.fill: parent

        MouseArea {
            anchors.fill: parent
            onClicked: {
                socket.sendTextMessage(qsTr("Hello Server!"));

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