New QML based Bt chat client

Change-Id: I235c54591dbbf04aa58c024093beca8c068b4aed
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

14 files changed, 600 insertions, 1 deletions

diff --git a/examples/bluetooth/bluetooth.pro b/examples/bluetooth/bluetooth.pro
index 4576956f..a98bb62d 100644
--- a/examples/bluetooth/bluetooth.pro
+++ b/examples/bluetooth/bluetooth.pro
@@ -9,4 +9,5 @@ qtHaveModule(quick): SUBDIRS += scanner \
                                 picturetransfer \
                                 pingpong \
                                 lowenergyscanner \
-                                heartlistener
+                                heartlistener \
+                                chat
diff --git a/examples/bluetooth/btchat/chat.cpp b/examples/bluetooth/btchat/chat.cpp
index f3df7aa1..61943ac0 100644
--- a/examples/bluetooth/btchat/chat.cpp
+++ b/examples/bluetooth/btchat/chat.cpp
@@ -217,5 +217,6 @@ void Chat::sendClicked()
 void Chat::showMessage(const QString &sender, const QString &message)
 {
     ui->chat->insertPlainText(QString::fromLatin1("%1: %2\n").arg(sender, message));
+    ui->chat->ensureCursorVisible();
 }
 //! [showMessage]
diff --git a/examples/bluetooth/chat/Button.qml b/examples/bluetooth/chat/Button.qml
new file mode 100644
index 00000000..be083193
--- /dev/null
+++ b/examples/bluetooth/chat/Button.qml
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the QtBluetooth module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+Rectangle {
+    // Identifier of the item
+    id: button
+
+    // Attaches to the Text element's text content
+    property string label
+    property color textColor: buttonLabel.color
+
+    // The color highlight when the mouse hovers on the rectangle
+    //property color onHoverColor: "lightsteelblue"
+    property color onHoverColor: "black"
+    property color borderColor: "transparent"
+
+    // buttonColor is set to the button's main color
+    property color buttonColor: "lightblue"
+
+    // Set appearance properties
+    radius: 6
+    antialiasing: true
+    border.width: 2
+    border.color: borderColor
+    height: buttonLabel.height * 1.3
+    width: buttonLabel.width * 1.3
+
+    Text {
+        id: buttonLabel
+        anchors.centerIn: parent
+        text: label     // Bind the text to the parent's text
+        color: "black"
+        font.pixelSize: 24
+    }
+
+    // buttonClick() is callable and a signal handler,
+    // onButtonClick is automatically created
+    signal buttonClick()
+
+    // Define the clickable area to be the whole rectangle
+    MouseArea {
+        id: buttonMouseArea
+        anchors.fill: parent    // Stretch the area to the parent's dimension
+        onClicked: buttonClick()
+
+        // If true, then onEntered and onExited called if mouse hovers in the mouse area
+        // If false, a button must be clicked to detect the mouse hover
+        hoverEnabled: true
+
+        // Display a border if the mouse hovers on the button mouse area
+        onEntered: parent.border.color = onHoverColor
+        //Remove the border if the mouse exits the button mouse area
+        onExited:  parent.border.color = borderColor
+    }
+
+    // Change the color of the button when pressed
+    color: buttonMouseArea.pressed ? Qt.darker(buttonColor, 1.5) : buttonColor
+    // Animate the color whenever the color property changes
+    Behavior on color { ColorAnimation { duration: 55 } }
+
+    // Scale the button when pressed
+    scale: buttonMouseArea.pressed ? 1.1 : 1.0
+    // Animate the scale property change
+    Behavior on scale { NumberAnimation { duration: 55 } }
+}
diff --git a/examples/bluetooth/chat/InputBox.qml b/examples/bluetooth/chat/InputBox.qml
new file mode 100644
index 00000000..8e21f79d
--- /dev/null
+++ b/examples/bluetooth/chat/InputBox.qml
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the QtBluetooth module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+FocusScope {
+    id: focusScope
+    width: 250; height: 28
+
+    property string text: textInput.text
+    signal clear
+
+    onClear: {
+        textInput.text=""
+    }
+
+    BorderImage {
+        source: "images/lineedit-bg.png"
+        width: parent.width; height: parent.height
+        border { left: 4; top: 4; right: 4; bottom: 4 }
+    }
+
+    BorderImage {
+        source: "images/lineedit-bg-focus.png"
+        width: parent.width; height: parent.height
+        border { left: 4; top: 4; right: 4; bottom: 4 }
+        visible: parent.activeFocus ? true : false
+    }
+
+    Text {
+        id: typeSomething
+        anchors.fill: parent; anchors.leftMargin: 8
+        verticalAlignment: Text.AlignVCenter
+        text: "Type something..."
+        color: "gray"
+        font.italic: true
+    }
+
+    MouseArea {
+        anchors.fill: parent
+        onClicked: { focusScope.focus = true; }
+    }
+
+    TextInput {
+        id: textInput
+        anchors { left: parent.left; leftMargin: 8; right: clear.left; rightMargin: 8; verticalCenter: parent.verticalCenter }
+        focus: true
+        selectByMouse: true
+    }
+
+    Image {
+        id: clear
+        anchors { right: parent.right; rightMargin: 8; verticalCenter: parent.verticalCenter }
+        source: "images/clear.png"
+        opacity: 0
+
+        MouseArea {
+            anchors.fill: parent
+            onClicked: { textInput.text = ''; focusScope.focus = true; }
+        }
+    }
+
+    states: State {
+        name: "hasText"; when: textInput.text != ''
+        PropertyChanges { target: typeSomething; opacity: 0 }
+        PropertyChanges { target: clear; opacity: 1 }
+    }
+
+    transitions: [
+        Transition {
+            from: ""; to: "hasText"
+            NumberAnimation { exclude: typeSomething; properties: "opacity" }
+        },
+        Transition {
+            from: "hasText"; to: ""
+            NumberAnimation { properties: "opacity" }
+        }
+    ]
+}
diff --git a/examples/bluetooth/chat/Search.qml b/examples/bluetooth/chat/Search.qml
new file mode 100644
index 00000000..f43ca622
--- /dev/null
+++ b/examples/bluetooth/chat/Search.qml
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the QtBluetooth module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+Rectangle {
+    property bool animationRunning: ranimation.running
+
+    function appendText(newText) {
+        searchText.text += newText
+    }
+
+    width: searchText.width + 40;
+    height: searchText.height + bluetoothImage.height + 40;
+    color: "white"
+    border.color: "black"
+    border.width: 1
+    radius: 5
+
+    Behavior on height {
+        NumberAnimation { duration: 300 }
+    }
+
+    Image {
+        id: bluetoothImage
+        source: "images/default.png"
+        anchors.top: parent.top
+        anchors.topMargin: 10
+        anchors.horizontalCenter: parent.horizontalCenter
+
+        RotationAnimation on rotation{
+            id: ranimation
+            target: bluetoothImage
+            easing.type: Easing.InOutBack
+            property: "rotation"
+            from: 0
+            to: 360
+            duration: 2000
+            loops: Animation.Infinite
+            alwaysRunToEnd: true
+        }
+    }
+
+    Text {
+        id: searchText
+
+        anchors.top: bluetoothImage.bottom
+        //anchors.bottom: parent.bottom
+        anchors.topMargin: 10
+        anchors.horizontalCenter: parent.horizontalCenter
+        text: qsTr("Searching for chat service...");
+        color: "black"
+
+    }
+}
+
diff --git a/examples/bluetooth/chat/chat.pro b/examples/bluetooth/chat/chat.pro
new file mode 100644
index 00000000..5cf6ab9f
--- /dev/null
+++ b/examples/bluetooth/chat/chat.pro
@@ -0,0 +1,16 @@
+QT = core bluetooth quick
+SOURCES += qmlchat.cpp
+
+TARGET = qml_chat
+TEMPLATE = app
+
+RESOURCES += \
+    chat.qrc
+
+OTHER_FILES += \
+    chat.qml \
+    InputBox.qml \
+    Search.qml \
+    Button.qml
+
+#DEFINES += QMLJSDEBUGGER
diff --git a/examples/bluetooth/chat/chat.qml b/examples/bluetooth/chat/chat.qml
new file mode 100644
index 00000000..e89c6b11
--- /dev/null
+++ b/examples/bluetooth/chat/chat.qml
@@ -0,0 +1,194 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the QtBluetooth module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+import QtBluetooth 5.3
+
+Item {
+    id: top
+
+    Component.onCompleted: state = "begin"
+    property string remoteDeviceName: ""
+    property bool serviceFound: false
+
+    BluetoothDiscoveryModel {
+        id: btModel
+        running: true
+        discoveryMode: BluetoothDiscoveryModel.MinimalServiceDiscovery
+        onRunningChanged : {
+            if (!btModel.running && top.state == "begin" && !serviceFound) {
+                searchBox.appendText("\nNo service found. \n\nPlease start server\nand restart app.")
+            }
+        }
+
+        onServiceDiscovered: {
+            if (serviceFound)
+                return
+            serviceFound = true
+            console.log("Found new service " + service.deviceAddress + " " + service.deviceName + " " + service.serviceName);
+            searchBox.appendText("\nConnecting to server...")
+            remoteDeviceName = service.deviceName
+            socket.setService(service)
+        }
+        uuidFilter: "e8e10f95-1a70-4b27-9ccf-02010264e9c8"
+    }
+
+    BluetoothSocket {
+        id: socket
+        connected: true
+
+        onSocketStateChanged : {
+            console.log("Connected to server")
+            top.state = "chatActive"
+        }
+
+        onStringDataChanged : {
+            console.log("Received data: " )
+            var data = remoteDeviceName + ": " + socket.stringData;
+            data = data.substring(0, data.indexOf('\n'))
+            chatContent.append({content: data})
+            console.log(data);
+        }
+    }
+
+    ListModel {
+        id: chatContent
+        ListElement {
+            content: "Connected to chat server"
+        }
+    }
+
+
+    Image {
+        id: background
+        z: 0
+        anchors.fill: parent
+        source: "images/background.jpg"
+        fillMode: Image.PreserveAspectCrop
+    }
+
+    Search {
+        id: searchBox
+        anchors.centerIn: top
+        opacity: 1
+    }
+
+    Rectangle {
+        id: chatBox
+        opacity: 0
+
+        anchors.centerIn: top
+
+        width: top.width - 25
+        height: 300
+        color: "white"
+        border.color: "black"
+        border.width: 1
+        radius: 5
+
+        function sendMessage()
+        {
+            var data = input.text
+            input.clear()
+            chatContent.append({content: "Me: " + data})
+            socket.stringData = data
+            chatView.positionViewAtEnd()
+        }
+
+        Item {
+            anchors.fill: parent
+            anchors.margins: 10
+
+            InputBox {
+                id: input
+                Keys.onReturnPressed: chatBox.sendMessage()
+                height: sendButton.height
+                width: parent.width - sendButton.width - 15
+                anchors.left: parent.left
+            }
+
+            Button {
+                id: sendButton
+                anchors.right: parent.right
+                label: "Send"
+                onButtonClick: chatBox.sendMessage()
+            }
+
+
+            Rectangle {
+                height: parent.height - input.height - 15
+                width: parent.width;
+                color: "white"
+                anchors.bottom: parent.bottom
+                border.color: "black"
+                border.width: 1
+                radius: 5
+
+                ListView {
+                    id: chatView
+                    width: parent.width-5
+                    height: parent.height-5
+                    anchors.centerIn: parent
+                    model: chatContent
+                    clip: true
+                    delegate: Component {
+                        Text {
+                            font.pixelSize: 18
+                            text: modelData
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    states: [
+        State {
+            name: "begin"
+            PropertyChanges { target: searchBox; opacity: 1 }
+            PropertyChanges { target: chatBox; opacity: 0 }
+        },
+        State {
+            name: "chatActive"
+            PropertyChanges { target: searchBox; opacity: 0 }
+            PropertyChanges { target: chatBox; opacity: 1 }
+        }
+    ]
+}
diff --git a/examples/bluetooth/chat/chat.qrc b/examples/bluetooth/chat/chat.qrc
new file mode 100644
index 00000000..7e3e6c63
--- /dev/null
+++ b/examples/bluetooth/chat/chat.qrc
@@ -0,0 +1,13 @@
+<RCC>
+    <qresource prefix="/">
+        <file>chat.qml</file>
+        <file>images/background.jpg</file>
+        <file>images/clear.png</file>
+        <file>images/lineedit-bg-focus.png</file>
+        <file>images/lineedit-bg.png</file>
+        <file>InputBox.qml</file>
+        <file>images/default.png</file>
+        <file>Search.qml</file>
+        <file>Button.qml</file>
+    </qresource>
+</RCC>
diff --git a/examples/bluetooth/chat/images/background.jpg b/examples/bluetooth/chat/images/background.jpg
new file mode 100644
index 00000000..903d395c
--- /dev/null
+++ b/examples/bluetooth/chat/images/background.jpg
diff --git a/examples/bluetooth/chat/images/clear.png b/examples/bluetooth/chat/images/clear.png
new file mode 100644
index 00000000..91eb2706
--- /dev/null
+++ b/examples/bluetooth/chat/images/clear.png
diff --git a/examples/bluetooth/chat/images/default.png b/examples/bluetooth/chat/images/default.png
new file mode 100644
index 00000000..a1a74af5
--- /dev/null
+++ b/examples/bluetooth/chat/images/default.png
diff --git a/examples/bluetooth/chat/images/lineedit-bg-focus.png b/examples/bluetooth/chat/images/lineedit-bg-focus.png
new file mode 100644
index 00000000..bbfac38d
--- /dev/null
+++ b/examples/bluetooth/chat/images/lineedit-bg-focus.png
diff --git a/examples/bluetooth/chat/images/lineedit-bg.png b/examples/bluetooth/chat/images/lineedit-bg.png
new file mode 100644
index 00000000..9044226f
--- /dev/null
+++ b/examples/bluetooth/chat/images/lineedit-bg.png
diff --git a/examples/bluetooth/chat/qmlchat.cpp b/examples/bluetooth/chat/qmlchat.cpp
new file mode 100644
index 00000000..3cd2424c
--- /dev/null
+++ b/examples/bluetooth/chat/qmlchat.cpp
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the QtBluetooth module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/QGuiApplication>
+#include <QtQuick/QQuickView>
+#include <QtQml/QQmlEngine>
+#include <QtQml/QQmlContext>
+#include <QDebug>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication application(argc, argv);
+
+    const QString mainQmlApp = QLatin1String("qrc:/chat.qml");
+    QQuickView view;
+    view.setSource(QUrl(mainQmlApp));
+    view.setResizeMode(QQuickView::SizeRootObjectToView);
+    // Qt.quit() called in embedded .qml by default only emits
+    // quit() signal, so do this (optionally use Qt.exit()).
+    QObject::connect(view.engine(), SIGNAL(quit()), qApp, SLOT(quit()));
+    view.setGeometry(QRect(100, 100, 360, 640));
+    view.show();
+    return application.exec();
+}