Qt 5.6 | Qt Canvas 3D | Interactive Mobile Phone Example | cellphoneapp.qml Example File

Qt 5.6.3 Reference Documentation

# cellphoneapp.qml Example File

threejs/cellphone/qml/cellphone/cellphoneapp.qml

      /****************************************************************************
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      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the QtCanvas3D module of the Qt Toolkit.
      **
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      ** GNU General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU
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      import QtQuick 2.6
      import QtQuick.Controls 1.2

      Rectangle {
          id: mainScreen
          property color backgroundColor
          property color textColor
          signal locked
          color: backgroundColor
          // The state indicates which app is to be shown on the screen.
          state: "menu"
          states: [
              State {
                  name: "menu"
                  PropertyChanges {
                      target: menuApp; visible: true
                  }
              },
              State {
                  name: "about"
                  PropertyChanges {
                      target: aboutApp; visible: true
                  }
              },
              State {
                  name: "dummy"
                  PropertyChanges {
                      target: dummyApp; visible: true
                  }
              }
          ]

          // This model contains names, icons, and corresponsing mainScreen states of phone apps
          ListModel {
              id: appGridModel
              ListElement {
                  name: "Calendar"
                  image: "qrc:/calendar.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Camera"
                  image: "qrc:/camera.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Clock"
                  image: "qrc:/clock.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Contacts"
                  image: "qrc:/contacts.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Gallery"
                  image: "qrc:/gallery.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Games"
                  image: "qrc:/games.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Mail"
                  image: "qrc:/mail.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Maps"
                  image: "qrc:/maps.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Music"
                  image: "qrc:/music.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Settings"
                  image: "qrc:/settings.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Todo"
                  image: "qrc:/todo.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "Videos"
                  image: "qrc:/videos.png"
                  toState: "dummy"
              }
              ListElement {
                  name: "About"
                  image: "qrc:/qtlogo_with_alpha.png"
                  toState: "about"
              }
              ListElement {
                  name: "Lock"
                  image: "qrc:/lock.png"
                  toState: "lock"
              }
          }

          Timer {
              id: clockTimer
              interval: 1000
              repeat: true
              running: lockScreen.visible || menuApp.visible
              triggeredOnStart: true
              onTriggered: clockLabel.text = Qt.formatDateTime(new Date(), "hh:mm:ss")
          }

          // This grid shows the app menu on the phone
          Rectangle {
              id: menuApp
              visible: false
              anchors.fill: parent
              color: mainScreen.color
              Image {
                  anchors.fill: parent
                  source: "qrc:/menu_background.jpg"
              }
              Rectangle {
                  id: menuHeader
                  anchors.top: parent.top
                  anchors.left: parent.left
                  anchors.right: parent.right
                  anchors.margins: 16
                  height: parent.height / 24
                  color: "transparent"
                  Label {
                      id: menuClockLabel
                      anchors.top: parent.top
                      anchors.left: parent.left
                      anchors.bottom: parent.bottom
                      width: menuHeader.width
                      text: clockLabel.text
                      color: mainScreen.textColor
                      font.pixelSize: 24
                      horizontalAlignment: Text.AlignLeft
                      verticalAlignment: Text.AlignVCenter
                  }
              }
              GridView {
                  id: menu
                  anchors.top: menuHeader.bottom
                  anchors.bottom: parent.bottom
                  anchors.left: parent.left
                  anchors.right: parent.right
                  anchors.margins: 16
                  model: appGridModel
                  cellWidth: width / 3
                  cellHeight: cellWidth
                  interactive: false
                  delegate: Component {
                      id: appGridDelegate
                      Item {
                          id: wrapper
                          width: menu.cellWidth
                          height: menu.cellHeight
                          Column {
                              anchors.fill: parent
                              height: width
                              Image {
                                  width: (parent.width * 3) / 4
                                  height : width
                                  source: image
                                  anchors.horizontalCenter: parent.horizontalCenter
                                  MouseArea {
                                      anchors.fill: parent
                                      onClicked: {
                                          // Lock option is a special case, as it doesn't launch
                                          // an app. Instead it simply slides the lock screen over
                                          // the current app.
                                          if (toState === "lock") {
                                              mainScreen.lock()
                                          } else if (toState === "dummy"){
                                              dummyApp.dummyImage = image
                                              mainScreen.state = toState
                                          } else {
                                              mainScreen.state = toState
                                              mainScreen.resetLockTimer()
                                          }
                                      }
                                  }
                              }
                              Text {
                                  width: parent.width
                                  height: parent.width / 4
                                  text: name
                                  font.pixelSize: 20
                                  color: mainScreen.textColor
                                  horizontalAlignment: Text.AlignHCenter
                                  anchors.horizontalCenter: parent.horizontalCenter
                              }
                          }
                      }
                  }
              }
          }

          Rectangle {
              id: aboutApp
              anchors.fill: parent
              anchors.margins: 16
              color: mainScreen.backgroundColor
              visible: false
              Label {
                  anchors.fill: parent
                  text: "This example demonstrates how to use Qt Quick Item as a texture source"
                        + " for Canvas3D in conjunction with three.js."
                        + "\n\nClick outside the phone to restart the rotation animation."
                  color: mainScreen.textColor
                  font.pixelSize: 24
                  wrapMode: Text.WordWrap
                  horizontalAlignment: Text.AlignHCenter
                  verticalAlignment: Text.AlignVCenter
              }
              MouseArea {
                  anchors.fill: parent
                  onClicked: {
                      mainScreen.state = "menu"
                      mainScreen.resetLockTimer()
                  }
              }
          }

          Rectangle {
              id: dummyApp
              property string dummyImage
              anchors.fill: parent
              anchors.margins: 16
              color: mainScreen.backgroundColor
              visible: false
              Image {
                  anchors.centerIn: parent
                  width: parent.width / 2
                  height: width
                  source: parent.dummyImage
              }
              MouseArea {
                  anchors.fill: parent
                  onClicked: {
                      mainScreen.state = "menu"
                      mainScreen.resetLockTimer()
                  }
              }
          }

          Flickable {
              id: lockScreen
              property int flickSpeed: 1500

              anchors.fill: parent
              z: mainScreen.z + 0.1
              contentWidth: clock.width
              contentHeight: clock.height
              contentX: 0
              boundsBehavior: Flickable.StopAtBounds
              flickDeceleration: 0
              onMovementStarted: {
                  // Interpret all drags as flicks instead
                  if (interactive) {
                      interactive = false
                      flick(-flickSpeed, 0)
                  }
              }
              onFlickStarted: {
                  interactive = false
              }
              onFlickEnded: {
                  if (contentX == 0) {
                      interactive = true
                  } else {
                      visible = false
                      mainScreen.resetLockTimer()
                  }
              }

              Timer {
                  id: lockTimer
                  interval: 60000
                  repeat: false
                  onTriggered: mainScreen.lock()
              }

              Item {
                  id: clock
                  width: lockScreen.width * 2
                  height: lockScreen.height
                  Rectangle {
                      anchors.top: parent.top
                      anchors.bottom: parent.bottom
                      x: 0
                      width: lockScreen.width
                      color: mainScreen.backgroundColor
                      Label {
                          id: clockLabel
                          anchors.top: parent.top
                          anchors.left: parent.left
                          anchors.bottom: parent.bottom
                          width: lockScreen.width
                          text: Qt.formatDateTime(new Date(), "hh:mm:ss")
                          color: mainScreen.textColor
                          font.pixelSize: 60
                          horizontalAlignment: Text.AlignHCenter
                          verticalAlignment: Text.AlignVCenter
                      }
                      Label {
                          anchors.left: parent.left
                          anchors.bottom: parent.bottom
                          height: 48
                          width: lockScreen.width
                          text: "Swipe left to unlock"
                          color: mainScreen.textColor
                          font.pixelSize: 24
                          horizontalAlignment: Text.AlignHCenter
                          verticalAlignment: Text.AlignVCenter
                      }
                  }
              }
          }

          function lock() {
              lockTimer.stop()
              lockScreen.visible = true
              lockScreen.flick(lockScreen.flickSpeed, 0)
              locked() // emit
          }

          function resetLockTimer() {
              lockTimer.restart()
          }
      }