- Qt Design Studio Manual
- Examples
- Progress Bar
- Qt Design Studio Manual 2.3.0

# Progress Bar

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     import QtQuick 2.9
     import QtQuick.Timeline 1.0

     Item {
         id: root
         width: 600
         height: 65
         property alias progress: timeline.currentFrame

         Rectangle {
             id: pb_back
             color: "#9f9f9f"
             radius: 4
             anchors.right: parent.right
             anchors.rightMargin: 0
             anchors.left: parent.left
             anchors.leftMargin: 0
             anchors.bottom: parent.bottom
             anchors.bottomMargin: 0
             anchors.top: parent.top
             anchors.topMargin: 30

             Rectangle {
                 id: pb_front
                 width: 200
                 color: "#ffffff"
                 anchors.bottomMargin: 5
                 anchors.left: parent.left
                 anchors.leftMargin: 5
                 anchors.bottom: parent.bottom
                 anchors.top: parent.top
                 anchors.topMargin: 5
             }
         }

         Text {
             id: text1
             color: "#ffffff"
             text: Math.round(root.progress)
             font.pixelSize: 18
         }

         Timeline {
             id: timeline
             enabled: true
             startFrame: 0
             endFrame: 100

             KeyframeGroup {
                 target: text1
                 property: "color"

                 Keyframe {
                     value: "#8de98d"
                     frame: 0
                 }

                 Keyframe {
                     value: "#de4f4f"
                     frame: 50
                 }

                 Keyframe {
                     value: "#f0c861"
                     frame: 100
                 }
             }

             KeyframeGroup {
                 target: pb_front
                 property: "width"

                 Keyframe {
                     value: 0
                     frame: 0
                 }

                 Keyframe {
                     value: 590
                     frame: 100
                 }
             }

             KeyframeGroup {
                 target: pb_front
                 property: "color"
                 Keyframe {
                     value: "#8de98d"
                     frame: 0
                 }

                 Keyframe {
                     value: "#de4f4f"
                     frame: 50
                 }

                 Keyframe {
                     value: "#f0c861"
                     frame: 100
                 }
             }
         }
     }