AppleTVInput.qml Example File | Qt 3D 5.12.10

- Qt 5.12
- Qt 3D
- Qt 3D: Planets QML Example
- AppleTVInput.qml Example File
- Qt 5.12.10 Reference Documentation

# AppleTVInput.qml Example File

planets-qml/AppleTVInput.qml

     /****************************************************************************
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     import QtQuick 2.7
     import QtQuick.Window 2.2

     Item {
         id: appleTVInput

         property real xThreshold: 500
         property real yThreshold: 300

         signal swipeLeft()
         signal swipeRight()
         signal swipeUp()
         signal swipeDown()

         onSwipeLeft: {
             var focusedItem = Window.window.activeFocusItem
             if (typeof(focusedItem.swipeLeft) === "function") {
                 focusedItem.swipeLeft()
             }
         }

         onSwipeRight: {
             var focusedItem = Window.window.activeFocusItem
             if (typeof(focusedItem.swipeRight) === "function") {
                 focusedItem.swipeRight()
             }
         }

         onSwipeUp: {
             var focusedItem = Window.window.activeFocusItem
             if (typeof(focusedItem.swipeUp) === "function") {
                 focusedItem.swipeUp()
             }
         }

         onSwipeDown: {
             var focusedItem = Window.window.activeFocusItem
             if (typeof(focusedItem.swipeDown) === "function") {
                 focusedItem.swipeDown()
             }
         }

         MultiPointTouchArea {
             id: multiPointTouchArea

             anchors.fill: parent

             property int startX: 0
             property int startY: 0

             property int pointX: 0
             property int pointY: 0

             property int xIsIncreasing: -1 // 1 - true, 0 - false, -1 - undefined
             property int yIsIncreasing: -1 // 1 - true, 0 - false, -1 - undefined

             property bool pressed: false

             touchPoints: [
                 TouchPoint {

                     onPressedChanged: {
                         if (pressed) {
                             multiPointTouchArea.startX = x
                             multiPointTouchArea.startY = y
                             multiPointTouchArea.pressed = true
                         } else {
                             multiPointTouchArea.pressed = false
                             multiPointTouchArea.xIsIncreasing = -1
                             multiPointTouchArea.yIsIncreasing = -1
                             multiPointTouchArea.startX = 0
                             multiPointTouchArea.startY = 0
                         }
                     }

                     onXChanged: {
                         if (multiPointTouchArea.pressed) {
                             var newValue = x - multiPointTouchArea.startX

                             var focusedItem = appleTVInput.Window.window.activeFocusItem

                             if (focusedItem.panningEnabled) {
                                 if (multiPointTouchArea.xIsIncreasing === -1) {
                                     multiPointTouchArea.xIsIncreasing = (newValue > multiPointTouchArea.startX) ? 1 : 0
                                 } else {
                                     if (multiPointTouchArea.xIsIncreasing === 1 && newValue < multiPointTouchArea.pointX) {
                                         multiPointTouchArea.startX = x
                                         multiPointTouchArea.xIsIncreasing = 0
                                         multiPointTouchArea.pointX = newValue
                                     } else if (multiPointTouchArea.xIsIncreasing === 0 && newValue > multiPointTouchArea.pointX) {
                                         multiPointTouchArea.startX = x
                                         multiPointTouchArea.xIsIncreasing = 1
                                         multiPointTouchArea.pointX = newValue
                                     } else {
                                         multiPointTouchArea.pointX = newValue
                                         focusedItem.pannedHorizontally(multiPointTouchArea.pointX / (multiPointTouchArea.width / 2))
                                     }
                                 }
                             } else {
                                 multiPointTouchArea.pointX = newValue

                                 if (multiPointTouchArea.pointX > xThreshold) {
                                     multiPointTouchArea.startX = x
                                     swipeRight()
                                 } else if (multiPointTouchArea.pointX < -xThreshold) {
                                     multiPointTouchArea.startX = x
                                     swipeLeft()
                                 }
                             }
                         }
                     }

                     onYChanged: {
                         if (multiPointTouchArea.pressed) {
                             var newValue = multiPointTouchArea.startY - y

                             var focusedItem = appleTVInput.Window.window.activeFocusItem

                             if (focusedItem.panningEnabled) {
                                 if (multiPointTouchArea.yIsIncreasing === -1) {
                                     multiPointTouchArea.yIsIncreasing = (newValue > multiPointTouchArea.startY) ? 1 : 0
                                 } else {
                                     if (multiPointTouchArea.yIsIncreasing === 1 && newValue < multiPointTouchArea.pointY) {
                                         multiPointTouchArea.startY = y
                                         multiPointTouchArea.yIsIncreasing = 0
                                         multiPointTouchArea.pointY = newValue
                                     } else if (multiPointTouchArea.yIsIncreasing === 0 && newValue > multiPointTouchArea.pointY) {
                                         multiPointTouchArea.startY = y
                                         multiPointTouchArea.yIsIncreasing = 1
                                         multiPointTouchArea.pointY = newValue
                                     } else {
                                         multiPointTouchArea.pointY = newValue
                                         focusedItem.pannedVertically(multiPointTouchArea.pointY / (multiPointTouchArea.height / 2))
                                     }
                                 }
                             } else {
                                 multiPointTouchArea.pointY = newValue

                                 if (multiPointTouchArea.pointY > yThreshold) {
                                     multiPointTouchArea.startY = y
                                     swipeUp()
                                 } else if (multiPointTouchArea.pointY < -yThreshold) {
                                     multiPointTouchArea.startY = y
                                     swipeDown()
                                 }
                             }
                         }
                     }
                 }
             ]
         }
     }