- Qt Design Studio Manual
- Examples
- Progress Bar
- Qt Design Studio Manual 2.3.1

# Progress Bar

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     ** This file is part of the examples of the Qt Design Studio.
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     import QtQuick 2.9
     import QtQuick.Window 2.3
     import QtQuick.Timeline 1.0
     import QtQuick.Layouts 1.0
     import QtQuick.Controls 2.3

     Rectangle {
         visible: true
         width: 640
         height: 480
         color: "#242424"

         ColumnLayout {
             x: 20
             y: 152
             spacing: 20

             Root {
                 id: root
             }

             Root {
                 id: root1
             }

             Root {
                 id: root2
             }
         }

         Timeline {
             id: timeline
             enabled: true
             endFrame: 4000
             startFrame: 0

             KeyframeGroup {
                 target: root
                 property: "progress"

                 Keyframe {
                     value: 10
                     frame: 0
                 }

                 Keyframe {
                     easing.bezierCurve: [0.86, 0.00, 0.07, 1.00, 1, 1]
                     value: 90
                     frame: 2000
                 }

                 Keyframe {
                     easing.bezierCurve: [0.86, 0.00, 0.07, 1.00, 1, 1]
                     value: 10
                     frame: 4000
                 }
             }

             KeyframeGroup {
                 target: root1
                 property: "progress"

                 Keyframe {
                     easing.bezierCurve: [0.17, 0.84, 0.44, 1.00, 1, 1]
                     value: 90
                     frame: 4000
                 }

                 Keyframe {
                     easing.bezierCurve: [0.17, 0.84, 0.44, 1.00, 1, 1]
                     value: 20
                     frame: 2000
                 }

                 Keyframe {
                     value: 90
                     frame: 0
                 }
             }

             KeyframeGroup {
                 target: root2
                 property: "progress"

                 Keyframe {
                     value: 15
                     frame: 0
                 }

                 Keyframe {
                     easing.bezierCurve: [0.79, 0.14, 0.15, 0.86, 1, 1]
                     value: 85
                     frame: 2000
                 }

                 Keyframe {
                     easing.bezierCurve: [0.79, 0.14, 0.15, 0.86, 1, 1]
                     value: 15
                     frame: 4000
                 }
             }

             animations: [
                 TimelineAnimation {
                     id: propertyAnimation
                     target: timeline
                     property: "currentFrame"
                     running: true
                     to: timeline.endFrame
                     from: timeline.startFrame
                     loops: -1
                     duration: 1000
                 }
             ]
         }

         Image {
             id: image
             x: 518
             y: 0
             width: 102
             height: 137
             fillMode: Image.PreserveAspectFit
             source: "built-with-Qt_Large.png"
         }
     }