GestureView.qml Example File

qmlsensorgestures/GestureView.qml
 /****************************************************************************
 **
 ** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the QtSensors module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
 ** BSD License Usage
 ** Alternatively, 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 The Qt Company Ltd 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 the declarative plugins
 import QtQuick 2.0

 import QtSensors 5.0

 /* Layout
                                          gesturerect
                                         /
 ---------------------------------------/
 | ----------------------------------- |
 | |           id: titleText         | |
 | ----------------------------------- |
 |                                     |
 |                                     |
 | ----------------------------------- |
 | |           id: detectionText     | |
 | ----------------------------------- |
 |                                     |
 |                                     |
 |                                     |
 | ----------------------------------- |
 | |           id: valueText         | |
 | ----------------------------------- |
 |                                     |
 |                                     |
 |                                     |
 | ------------------------------      |
 | | id: gestureStartStopButton |      |
 | ------------------------------      |
 ---------------------------------------
 */

 Rectangle {
     id: gestureRect
     border.width: 1
     anchors.margins: 5
     property alias gestureId: sensorGesture.gestures
     property alias gestureTitle: titleText.text
     property alias enabled: sensorGesture.enabled
     property string oldGesture: ""
     property int count: 0

     SensorGesture {
         id: sensorGesture
         enabled: false
         onDetected: {
             if (gesture !== oldGesture)
                 count = 0;
             valueText.text = gesture + " " + count;
             oldGesture = gesture;
             count++;
         }
         onEnabledChanged: {
             valueText.text = ""
         }
     }

     Text {
         id: titleText
         anchors.top: gestureRect.top
         anchors.left: gestureRect.left
         anchors.right: gestureRect.right
         horizontalAlignment: Text.AlignHCenter
         font.pixelSize: 20
         font.bold: true
         text: ""
     }

     Text {
         id: detectionText
         anchors.top: titleText.bottom
         anchors.left: gestureRect.left
         anchors.right: gestureRect.right
         horizontalAlignment: Text.AlignHCenter
         font.pixelSize: 15
         text: "Detection:"
     }

     Text {
         id: valueText
         anchors.top: detectionText.bottom
         anchors.left: gestureRect.left
         anchors.right: gestureRect.right
         horizontalAlignment: Text.AlignHCenter
         font.pixelSize: 15
         visible: sensorGesture.enabled
     }

     Button{
         id: gestureStartStopButton
         anchors.left: gestureRect.left
         anchors.bottom: gestureRect.bottom
         height: 30
         width: 100
         buttonText: (sensorGesture.enabled ? "Stop" : "Start")
         enabled: true;
         onClicked: {
             if (gestureStartStopButton.buttonText === "Start") {
                 sensorGesture.enabled = true;
             }
             else {
                 sensorGesture.enabled = false;
             }
         }
     }
 }