SeekControl.qml Example File

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 import Qt 4.7

 Item {
     id: seekControl
     height: 46
     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: "black"
         opacity: 0.3
     }

     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 }
         font { family: "Nokia Sans S60"; pixelSize: 24 }
         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 }
         font { family: "Nokia Sans S60"; pixelSize: 24 }
         horizontalAlignment: Text.AlignRight
         verticalAlignment: Text.AlignVCenter
         color: "white"
         smooth: true
         text: formatTime(duration)
     }

     Image {
         id: progressHandle
         height: 46
         width: 10
         source: mouseArea.pressed ? "qrc:/images/progress_handle_pressed.svg" : "qrc:/images/progress_handle.svg"
         anchors.verticalCenter: progressBar.verticalCenter
         x: seekControl.duration == 0 ? 0 : seekControl.playPosition / seekControl.duration * 630

         MouseArea {
             id: mouseArea
             anchors { horizontalCenter: parent.horizontalCenter; bottom: parent.bottom }
             height: 46+16
             width: height
             enabled: seekControl.enabled
             drag {
                 target: progressHandle
                 axis: Drag.XAxis
                 minimumX: 0
                 maximumX: 631
             }
             onPressed: {
                 seekControl.seeking = true;
             }
             onCanceled: {
                 seekControl.seekPosition = progressHandle.x * seekControl.duration / 630
                 seekControl.seeking = false
             }
             onReleased: {
                 seekControl.seekPosition = progressHandle.x * seekControl.duration / 630
                 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/630
         }
     }

     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
     }
 }