main.qml Example File | Qt WebSockets 5.6

Qt 5.6 | Qt WebSockets | QML WebSocket Client Example | main.qml Example File

Qt 5.6.2 Reference Documentation

# main.qml Example File

qmlwebsocketclient/qml/qmlwebsocketclient/main.qml

      /****************************************************************************
      **
      ** Copyright (C) 2014 Kurt Pattyn <pattyn.kurt@gmail.com>.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the QtWebSockets module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see http://www.qt.io/terms-conditions. For further
      ** information use the contact form at http://www.qt.io/contact-us.
      **
      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
      ** General Public License version 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
      ** following information to ensure the GNU Lesser General Public License
      ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
      ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
      **
      ** As a special exception, The Qt Company gives you certain additional
      ** rights. These rights are described in The Qt Company LGPL Exception
      ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/
      import QtQuick 2.0
      import QtWebSockets 1.0

      Rectangle {
          width: 360
          height: 360

          WebSocket {
              id: socket
              url: "ws://echo.websocket.org"
              onTextMessageReceived: {
                  messageBox.text = messageBox.text + "\nReceived message: " + message
              }
              onStatusChanged: if (socket.status == WebSocket.Error) {
                                   console.log("Error: " + socket.errorString)
                               } else if (socket.status == WebSocket.Open) {
                                   socket.sendTextMessage("Hello World")
                               } else if (socket.status == WebSocket.Closed) {
                                   messageBox.text += "\nSocket closed"
                               }
              active: false
          }

          WebSocket {
              id: secureWebSocket
              url: "wss://echo.websocket.org"
              onTextMessageReceived: {
                  messageBox.text = messageBox.text + "\nReceived secure message: " + message
              }
              onStatusChanged: if (secureWebSocket.status == WebSocket.Error) {
                                   console.log("Error: " + secureWebSocket.errorString)
                               } else if (secureWebSocket.status == WebSocket.Open) {
                                   secureWebSocket.sendTextMessage("Hello Secure World")
                               } else if (secureWebSocket.status == WebSocket.Closed) {
                                   messageBox.text += "\nSecure socket closed"
                               }
              active: false
          }
          Text {
              id: messageBox
              text: socket.status == WebSocket.Open ? qsTr("Sending...") : qsTr("Welcome!")
              anchors.centerIn: parent
          }

          MouseArea {
              anchors.fill: parent
              onClicked: {
                  socket.active = !socket.active
                  secureWebSocket.active =  !secureWebSocket.active;
                  //Qt.quit();
              }
          }
      }