Qt 5.7Qt QuickQt Quick Examples - Positionerspositioners-transitions.qml Example File
Qt 5.7.1 Reference Documentation

positioners-transitions.qml Example File

positioners/positioners-transitions.qml 

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  ** Contact: http://www.qt.io/licensing/
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  ** This file is part of the examples of the Qt Toolkit.
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  import QtQuick 2.0

  Item {
      id: page

      property real effectiveOpacity: 1.0
      property real ratio: width / 320 < height / 440 ? width / 320 : height / 440
      property int smallSize: 45 * ratio
      property int bigSize: 2 * smallSize
      property int elementSpacing: 0.14 * smallSize

      anchors.fill: parent

      Timer {
          interval: 2000
          running: true
          repeat: true
          onTriggered: effectiveOpacity = (effectiveOpacity == 1.0 ? 0.0 : 1.0);
      }

      Column {
          anchors {
              left: parent.left
              leftMargin: page.width / 32
              top: parent.top
              topMargin: page.height / 48
          }
          spacing: elementSpacing

          populate: Transition {
              NumberAnimation { properties: "x,y"; from: 200; duration: 100; easing.type: Easing.OutBounce }
          }
          add: Transition {
              NumberAnimation { properties: "y"; easing.type: Easing.OutQuad }
          }
          move: Transition {
              NumberAnimation { properties: "y"; easing.type: Easing.OutBounce }
          }

          Rectangle { color: "#80c342"; width: bigSize; height: smallSize }

          Rectangle {
              id: greenV1
              visible: opacity != 0
              width: bigSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#14aaff"; width: bigSize; height: smallSize }

          Rectangle {
              id: greenV2
              visible: opacity != 0
              width: bigSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#6400aa"; width: bigSize; height: smallSize }
          Rectangle { color: "#80c342"; width: bigSize; height: smallSize }
      }

      Row {
          anchors {
              left: page.left
              leftMargin: page.width / 32
              bottom: page.bottom
              bottomMargin: page.height / 48
          }
          spacing: elementSpacing

          populate: Transition {
              NumberAnimation { properties: "x,y"; from: 200; duration: 100; easing.type: Easing.OutBounce }
          }
          add: Transition {
              NumberAnimation { properties: "x"; easing.type: Easing.OutQuad }
          }
          move: Transition {
              NumberAnimation { properties: "x"; easing.type: Easing.OutBounce }
          }

          Rectangle { color: "#80c342"; width: smallSize; height: bigSize }

          Rectangle {
              id: blueH1
              visible: opacity != 0
              width: smallSize; height: bigSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#14aaff"; width: smallSize; height: bigSize }

          Rectangle {
              id: greenH2
              visible: opacity != 0
              width: smallSize; height: bigSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#6400aa"; width: smallSize; height: bigSize }
          Rectangle { color: "#80c342"; width: smallSize; height: bigSize }
      }

      Grid {
          anchors.top: parent.top
          anchors.topMargin: page.height / 48
          anchors.left: flow.left
          columns: 3
          spacing: elementSpacing

          populate: Transition {
              NumberAnimation { properties: "x,y"; from: 200; duration: 100; easing.type: Easing.OutBounce }
          }
          add: Transition {
              NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce }
          }
          move: Transition {
              NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce }
          }

          Rectangle { color: "#80c342"; width: smallSize; height: smallSize }

          Rectangle {
              id: greenG1
              visible: opacity != 0
              width: smallSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#14aaff"; width: smallSize; height: smallSize }

          Rectangle {
              id: greenG2
              visible: opacity != 0
              width: smallSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#6400aa"; width: smallSize; height: smallSize }

          Rectangle {
              id: greenG3
              visible: opacity != 0
              width: smallSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#80c342"; width: smallSize; height: smallSize }
          Rectangle { color: "#14aaff"; width: smallSize; height: smallSize }
          Rectangle { color: "#6400aa"; width: smallSize; height: smallSize }
      }

      Flow {
          id: flow

          anchors.right: page.right
          anchors.rightMargin: page.width / 32
          y: 2 * bigSize
          width: 1.8 * bigSize
          spacing: elementSpacing

          move: Transition {
              NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce }
          }

          add: Transition {
              NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce }
          }

          populate: Transition {
              NumberAnimation { properties: "x,y"; from: 200; duration: 100; easing.type: Easing.OutBounce }
          }

          Rectangle { color: "#80c342"; width: smallSize; height: smallSize }

          Rectangle {
              id: greenF1
              visible: opacity != 0
              width: 0.6 * bigSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#14aaff"; width: 0.3 * bigSize; height: smallSize }

          Rectangle {
              id: greenF2
              visible: opacity != 0
              width: 0.6 * bigSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#6400aa"; width: smallSize; height: smallSize }

          Rectangle {
              id: greenF3
              visible: opacity != 0
              width: 0.4 * bigSize; height: smallSize
              color: "#006325"
              border.color: "transparent"
              Behavior on opacity { NumberAnimation {} }
              opacity: effectiveOpacity
          }

          Rectangle { color: "#80c342"; width: 0.8 * bigSize; height: smallSize }
      }
  }

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