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 ** This file is part of the QtSensors module of the Qt Toolkit.
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 /* Layout
                                                                                   mainWnd
                                                                                  /
 ---------------------------------------------------------------------------------
 |--------------------------------------------------------------------------------
 ||                                  labelTitle                                  |
 |--------------------------------------------------------------------------------
 |-------------------------------------------------------------------------------- <---- tiltLine
 |--------------------------------------------------------------------------------
 ||                                  labelTilt                                   |
 |--------------------------------------------------------------------------------
 |         / accuracyRect                               / speedRect
 |-------------------------------------------||----------------------------------|
 || Accuracy <----- textAccuracy             || Speed <-----textSpeed            |
 ||  value   <- textAccuracyValue            ||  value    <- textSpeedValue      |
 || ----------------- ------------------     || --------------- ---------------- |
 || | accuracyLower | | accuracyHigher |     || | speedLower  | | speedHigher  | |
 || ----------------- ------------------     || --------------- ---------------- |
 |------------------------------------------ ||----------------------------------|
 | -----------
 | |Calibrate|    <------------------ calibrate
 | -----------
 | ---------
 | |Degree |    <-------------------- useRadian                   X Rotation: 0  <------------------ xrottext
 | ---------
 | ---------
 | |Start  |    <-------------------- tiltStart                   Y Rotation: 0  <------------------ yrottext
 | ---------
 |-------------------------------------------------------------------------------- <---- ambientlightLine
 |--------------------------------------------------------------------------------
 ||                                  labelAmbientLight                           |
 |--------------------------------------------------------------------------------
 | ---------
 | |Start  |    <-------------------- ablStart                    Ambient light: -  <--------------- abltext
 | ---------
 |-------------------------------------------------------------------------------- <---- proximityLine
 |--------------------------------------------------------------------------------
 ||                                  labelProximityLight                           |
 |--------------------------------------------------------------------------------
 | ---------
 | |Start  |    <-------------------- proxiStart                  Proximity: -  <--------------- proxitext
 | ---------
 ------------------------------------------------------------------------------
 */

 //Import the declarative plugins
 import QtQuick 2.0
 import "components"

 import QtSensors 5.0

 ApplicationWindow {

     // Sensor types used
     TiltSensor {
         id: tilt
         active: false
     }

     AmbientLightSensor {
         id: ambientlight
         active: false
         onReadingChanged: {
             if (reading.lightLevel == AmbientLightReading.Dark)
                 ambientlighttext.text = "Ambient light: Dark";
             else if (reading.lightLevel == AmbientLightReading.Twilight)
                 ambientlighttext.text = "Ambient light: Twilight";
             else if (reading.lightLevel == AmbientLightReading.Light)
                 ambientlighttext.text = "Ambient light: Light";
             else if (reading.lightLevel == AmbientLightReading.Bright)
                 ambientlighttext.text = "Ambient light: Bright";
             else if (reading.lightLevel == AmbientLightReading.Sunny)
                 ambientlighttext.text = "Ambient light: Sunny";
             else
                 ambientlighttext.text = "Ambient light: Unknown";
         }
     }

     ProximitySensor {
         id: proxi
         active: false
     }

     Column {
         spacing: 10
         anchors.fill: parent
         anchors.margins: 5

         Text {
             id: labelTitle
             width: parent.width
             horizontalAlignment: Text.AlignHCenter
             font.pixelSize: 30
             font.bold: true
             text: "QML QtSensors"
         }

         // Tilt region
         Divider { label: "TiltSensor" }

         Row {
             spacing: 20
             width: parent.width
             anchors.margins: 5
             Button {
                 id: calibrate
                 height: 30
                 width: 80
                 text: "Calibrate"
                 onClicked: tilt.calibrate();
             }
             Text {
                 id: xrottext
                 height: 30
                 verticalAlignment: Text.AlignVCenter
                 text: "X Rotation: " + (tilt.reading ? tilt.reading.xRotation.toFixed(2) + "°" : "Unknown")
             }
         }
         Row {
             spacing: 20
             width: parent.width
             anchors.margins: 5
             Button {
                 id: tiltStart
                 height: 30
                 width: 80
                 text: tilt.active ? "Stop" : "Start"
                 onClicked: {
                     tilt.active = (tiltStart.text === "Start");
                 }
             }
             Text {
                 id: yrottext
                 height: 30
                 verticalAlignment: Text.AlignVCenter
                 text: "Y Rotation: " + (tilt.reading ? tilt.reading.yRotation.toFixed(2) + "°" : "Unknown")
             }
         }

         Divider { label: "AmbientLightSensor" }

         Row {
             spacing: 20
             width: parent.width
             anchors.margins: 5

             Button{
                 id: ambientlightStart
                 height: 30
                 width: 80
                 text: ambientlight.active ? "Stop" : "Start"
                 onClicked: {
                     ambientlight.active = (ambientlightStart.text === "Start" ? true : false);
                 }
             }

             Text {
                 id: ambientlighttext
                 height: 30
                 verticalAlignment: Text.AlignVCenter
                 text: "Ambient light: Unknown"
             }
         }

         // Proximity region
         Divider { label: "ProximitySensor" }

         Row {
             spacing: 20
             width: parent.width
             anchors.margins: 5

             Button {
                 id: proxiStart
                 height: 30
                 width: 80
                 text: proxi.active ? "Stop" : "Start"

                 onClicked: {
                     proxi.active = (proxiStart.text === "Start"  ? true: false);
                 }
             }

             Text {
                 id: proxitext
                 height: 30
                 verticalAlignment: Text.AlignVCenter
                 text: "Proximity: " +
                       (proxi.active ? (proxi.reading.near ? "Near" : "Far") : "Unknown")
             }
         }
     }
 }