Qt Quick Demo - Tweet Search

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 import QtQuick 2.0

 FocusScope {
     id: wrapper

     property alias text: input.text
     property alias hint: hint.text
     property alias prefix: prefix.text

     signal accepted

     Rectangle {
         anchors.fill: parent
         border.color: "#707070"
         color: "#c1c1c1"
         radius: 4

         Text {
             id: hint
             anchors { fill: parent; leftMargin: 14 }
             verticalAlignment: Text.AlignVCenter
             text: "Enter word"
             font.pixelSize: 18
             color: "#707070"
             opacity: input.displayText.length ? 0 : 1
         }

         Text {
             id: prefix
             anchors { left: parent.left; leftMargin: 14; verticalCenter: parent.verticalCenter }
             verticalAlignment: Text.AlignVCenter
             font.pixelSize: 18
             color: "#707070"
             opacity: !hint.opacity
         }

         TextInput {
             id: input
             focus: true
             anchors { left: prefix.right; right: parent.right; top: parent.top; bottom: parent.bottom }
             verticalAlignment: Text.AlignVCenter
             font.pixelSize: 18
             color: "#707070"
             onAccepted: wrapper.accepted()
         }

         Image {
             source: "resources/icon-search.png"
             anchors.right: parent.right
             anchors.rightMargin: 12
             anchors.verticalCenter: parent.verticalCenter
             MouseArea {
                 anchors { fill: parent; margins: -10 }
                 onClicked: wrapper.accepted()
             }
         }
     }
 }