Qt 5.7 | Qt Quick | Qt Quick Particles Examples - Image Particles | sharing.qml Example File

Qt 5.7.1 Reference Documentation

# sharing.qml Example File

particles/imageparticle/content/sharing.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      // This example shows how to create your own highlight delegate for a ListView
      // that uses a SpringAnimation to provide custom movement when the
      // highlight bar is moved between items.

      import QtQuick 2.0
      import QtQuick.Particles 2.0

      Rectangle {
          property real delegateHeight: 65
          width: 200; height: 300
          gradient: Gradient {
              GradientStop { position: 0.0; color: "#EEEEFF" }
              GradientStop { position: 1.0; color: "lightblue" }
          }

          // Define a delegate component.  A component will be
          // instantiated for each visible item in the list.
          Component {
              id: petDelegate
              Item {
                  id: wrapper
                  width: 200; height: delegateHeight
                  z: 10
                  Column {
                      Text {color: "white"; text: name; font.pixelSize: 18 }
                      Text {color: "white"; text: 'Type: ' + type; font.pixelSize: 14 }
                      Text {color: "white"; text: 'Age: ' + age; font.pixelSize: 14 }
                  }
                  MouseArea { anchors.fill: parent; onClicked: listView.currentIndex = index; }
                  // indent the item if it is the current item
                  states: State {
                      name: "Current"
                      when: wrapper.ListView.isCurrentItem
                      PropertyChanges { target: wrapper; x: 20 }
                  }
                  transitions: Transition {
                      NumberAnimation { properties: "x"; duration: 200 }
                  }
              }
          }

          // Define a highlight with customized movement between items.
          Component {
              id: highlightBar
              Rectangle {
                  z: 0
                  width: 200; height: delegateHeight
                  gradient: Gradient {
                      GradientStop { position: 0.0; color: "#99FF99" }
                      GradientStop { position: 1.0; color: "#88FF88" }
                  }
                  y: listView.currentItem.y;
                  Behavior on y { SpringAnimation { spring: 2; damping: 0.2 } }
                  ImageParticle {
                      anchors.fill: parent
                      system: particles
                      source: "../../images/flower.png"
                      color: "red"
                      clip: true
                      alpha: 1.0
                  }
              }
          }

          ListView {
              id: listView
              width: 200; height: parent.height

              model: petsModel
              delegate: petDelegate
              focus: true

              // Set the highlight delegate. Note we must also set highlightFollowsCurrentItem
              // to false so the highlight delegate can control how the highlight is moved.
              highlight: highlightBar
              highlightFollowsCurrentItem: false

              ParticleSystem { id: particles }
              Emitter {
                  system: particles
                  anchors.fill: parent
                  emitRate: 0
                  lifeSpan: 10000
                  size: 24
                  sizeVariation: 8
                  velocity: AngleDirection { angleVariation: 360; magnitude: 3 }
                  maximumEmitted: 10
                  startTime: 5000
                  Timer { running: true; interval: 10; onTriggered: parent.emitRate = 1; }
              }

              ImageParticle {
                  anchors.fill: parent
                  system: particles
                  source: "../../images/flower.png"
                  alpha: 0.1
                  color: "white"
                  rotationVariation: 180
                  z: -1
              }
          }

          ListModel {
              id: petsModel
              ListElement {
                  name: "Polly"
                  type: "Parrot"
                  age: 12
                  size: "Small"
              }
              ListElement {
                  name: "Penny"
                  type: "Turtle"
                  age: 4
                  size: "Small"
              }
              ListElement {
                  name: "Warren"
                  type: "Rabbit"
                  age: 2
                  size: "Small"
              }
              ListElement {
                  name: "Spot"
                  type: "Dog"
                  age: 9
                  size: "Medium"
              }
              ListElement {
                  name: "Schrödinger"
                  type: "Cat"
                  age: 2
                  size: "Medium"
              }
              ListElement {
                  name: "Joey"
                  type: "Kangaroo"
                  age: 1
                  size: "Medium"
              }
              ListElement {
                  name: "Kimba"
                  type: "Bunny"
                  age: 65
                  size: "Large"
              }
              ListElement {
                  name: "Rover"
                  type: "Dog"
                  age: 5
                  size: "Large"
              }
              ListElement {
                  name: "Tiny"
                  type: "Elephant"
                  age: 15
                  size: "Large"
              }
          }

      }