transitions.qml Example File

animation/states/transitions.qml

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  import QtQuick 2.0

  /*
      This is exactly the same as states.qml, except that we have appended
      a set of transitions to apply animations when the item changes
      between each state.
  */

  Rectangle {
      id: page
      width: 640; height: 480
      color: "#343434"

      Image {
          id: userIcon
          x: topLeftRect.x; y: topLeftRect.y
          source: "qt-logo.png"
      }

      Rectangle {
          id: topLeftRect

          anchors { left: parent.left; top: parent.top; leftMargin: 10; topMargin: 20 }
          width: 46; height: 54
          color: "Transparent"; border.color: "Gray"; radius: 6

          // Clicking in here sets the state to the default state, returning the image to
          // its initial position
          MouseArea { anchors.fill: parent; onClicked: page.state = '' }
      }

      Rectangle {
          id: middleRightRect

          anchors { right: parent.right; verticalCenter: parent.verticalCenter; rightMargin: 20 }
          width: 46; height: 54
          color: "Transparent"; border.color: "Gray"; radius: 6

          // Clicking in here sets the state to 'middleRight'
          MouseArea { anchors.fill: parent; onClicked: page.state = 'middleRight' }
      }

      Rectangle {
          id: bottomLeftRect

          anchors { left: parent.left; bottom: parent.bottom; leftMargin: 10; bottomMargin: 20 }
          width: 46; height: 54
          color: "Transparent"; border.color: "Gray"; radius: 6

          // Clicking in here sets the state to 'bottomLeft'
          MouseArea { anchors.fill: parent; onClicked: page.state = 'bottomLeft' }
      }

      states: [
          // In state 'middleRight', move the image to middleRightRect
          State {
              name: "middleRight"
              PropertyChanges { target: userIcon; x: middleRightRect.x; y: middleRightRect.y }
          },

          // In state 'bottomLeft', move the image to bottomLeftRect
          State {
              name: "bottomLeft"
              PropertyChanges { target: userIcon; x: bottomLeftRect.x; y: bottomLeftRect.y  }
          }
      ]

      // ![0]
      // Transitions define how the properties change when the item moves between each state
      transitions: [

          // When transitioning to 'middleRight' move x,y over a duration of 1 second,
          // with OutBounce easing function.
          Transition {
              from: "*"; to: "middleRight"
              NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce; duration: 1000 }
          },

          // When transitioning to 'bottomLeft' move x,y over a duration of 2 seconds,
          // with InOutQuad easing function.
          Transition {
              from: "*"; to: "bottomLeft"
              NumberAnimation { properties: "x,y"; easing.type: Easing.InOutQuad; duration: 2000 }
          },

          // For any other state changes move x,y linearly over duration of 200ms.
          Transition {
              NumberAnimation { properties: "x,y"; duration: 200 }
          }
      // ![0]
      ]
  }