SeekControl.qml Example File

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  import QtQuick 2.0

  Item {
      id: seekControl
      height: Math.min(parent.width, parent.height) / 20
      property int duration: 0
      property int playPosition: 0
      property int seekPosition: 0
      property bool enabled: true
      property bool seeking: false

      Rectangle {
          id: background
          anchors.fill: parent
          color: "white"
          opacity: 0.3
          radius: parent.height / 15
      }

      Rectangle {
          id: progressBar
          anchors { left: parent.left; top: parent.top; bottom: parent.bottom }
          width: seekControl.duration == 0 ? 0 : background.width * seekControl.playPosition / seekControl.duration
          color: "black"
          opacity: 0.7
      }

      Text {
          width: 90
          anchors { left: parent.left; top: parent.top; bottom: parent.bottom; leftMargin: 10 }
          horizontalAlignment: Text.AlignLeft
          verticalAlignment: Text.AlignVCenter
          color: "white"
          smooth: true
          text: formatTime(playPosition)
      }

      Text {
          width: 90
          anchors { right: parent.right; top: parent.top; bottom: parent.bottom; rightMargin: 10 }
          horizontalAlignment: Text.AlignRight
          verticalAlignment: Text.AlignVCenter
          color: "white"
          smooth: true
          text: formatTime(duration)
      }

      Rectangle {
          id: progressHandle
          height: parent.height
          width: parent.height / 2
          color: "white"
          opacity: 0.5
          anchors.verticalCenter: progressBar.verticalCenter
          x: seekControl.duration == 0 ? 0 : seekControl.playPosition / seekControl.duration * background.width

          MouseArea {
              id: mouseArea
              anchors { horizontalCenter: parent.horizontalCenter; bottom: parent.bottom }
              height: parent.height
              width: parent.height * 2
              enabled: seekControl.enabled
              drag {
                  target: progressHandle
                  axis: Drag.XAxis
                  minimumX: 0
                  maximumX: background.width
              }
              onPressed: {
                  seekControl.seeking = true;
              }
              onCanceled: {
                  seekControl.seekPosition = progressHandle.x * seekControl.duration / background.width
                  seekControl.seeking = false
              }
              onReleased: {
                  seekControl.seekPosition = progressHandle.x * seekControl.duration / background.width
                  seekControl.seeking = false
                  mouse.accepted = true
              }
          }
      }

      Timer { // Update position also while user is dragging the progress handle
          id: seekTimer
          repeat: true
          interval: 300
          running: seekControl.seeking
          onTriggered: {
              seekControl.seekPosition = progressHandle.x*seekControl.duration / background.width
          }
      }

      function formatTime(timeInMs) {
          if (!timeInMs || timeInMs <= 0) return "0:00"
          var seconds = timeInMs / 1000;
          var minutes = Math.floor(seconds / 60)
          seconds = Math.floor(seconds % 60)
          if (seconds < 10) seconds = "0" + seconds;
          return minutes + ":" + seconds
      }
  }