In-App purchasing demo | Qt 6.2

- Qt 6.2
- In-App purchasing demo
- Qt 6.2.3 Reference Documentation

# In-App purchasing demo

     /****************************************************************************
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     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
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     import QtQuick

     Item {
         id: keyView
         property real keyWidth: (width - (horizontalSpacing * 9)) / 10
         property real keyHeight: (height - (verticalSpacing * 2)) / 3
         property real horizontalSpacing: topLevel.globalMargin / 4
         property real verticalSpacing: topLevel.globalMargin / 4
         property bool locked: false
         property bool hideVowels: false

         Component.onCompleted: topLevel.buttonHeight = keyHeight
         onKeyHeightChanged: topLevel.buttonHeight = keyHeight

         property var keys: [keyA, keyB, keyC, keyD, keyE, keyF, keyG, keyH, keyI, keyJ,
                 keyH, keyJ, keyK, keyL, keyM, keyN, keyO, keyP, keyQ, keyR, keyS,
                 keyT, keyU, keyV, keyW, keyX, keyY, keyZ];

         function reset() {
             //Resets all key values to their default state
             for (var i = 0; i < keys.length; ++i)
                 keys[i].available = true;
         }

         onLockedChanged: {
             if (locked) {
                 for (var i = 0; i < keys.length; ++i)
                     keys[i].available = false;
             }
         }

         signal letterSelected(string letter)
         signal guessWordPressed()
         signal resetPressed()
         signal revealPressed()

         //Qwerty layout
         Column {
             spacing: keyView.verticalSpacing
             anchors.fill: parent
             Row {
                 spacing: keyView.horizontalSpacing
                 Key {
                     id: keyQ
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "Q";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyW
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "W";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyE
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "E";
                     available: true
                     purchasable: true
                     enabled: !hideVowels
                     opacity: hideVowels ? 0.0 : 1.0
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyR
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "R";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyT
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "T";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyY
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "Y";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyU
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "U";
                     available: true
                     purchasable: true
                     enabled: !hideVowels
                     opacity: hideVowels ? 0.0 : 1.0
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyI
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "I";
                     available: true
                     purchasable: true
                     enabled: !hideVowels
                     opacity: hideVowels ? 0.0 : 1.0
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyO
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "O";
                     available: true
                     purchasable: true
                     enabled: !hideVowels
                     opacity: hideVowels ? 0.0 : 1.0
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyP
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "P";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
             }
             Row {
                 anchors.horizontalCenter: parent.horizontalCenter
                 spacing: keyView.horizontalSpacing
                 Key {
                     id: keyA
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "A";
                     available: true
                     purchasable: true
                     enabled: !hideVowels
                     opacity: hideVowels ? 0.0 : 1.0
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyS
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "S";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyD
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "D";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyF
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "F";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyG
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "G";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyH
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "H";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyJ
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "J";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyK
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "K";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyL
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "L";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
             }
             Row {
                 spacing: keyView.horizontalSpacing
                 anchors.horizontalCenter: parent.horizontalCenter
                 Key {
                     id: keyZ
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "Z";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyX
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "X";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyC
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "C";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyV
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "V";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyB
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "B";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyN
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "N";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
                 Key {
                     id: keyM
                     height: keyView.keyHeight
                     width: keyView.keyWidth
                     text: "M";
                     available: true
                     purchasable: false
                     onKeyActivated: function(letter) {
                         letterSelected(letter);
                         available = false;
                     }
                 }
             }
         }
     }