highlightranges.qml Example File

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 import QtQuick 1.0
 import "content"

 Rectangle {
     id: root
     property int current: 0
     width: 600; height: 300

     // This example shows the same model in three different ListView items,
     // with different highlight ranges. The highlight ranges are set by the
     // preferredHighlightBegin and preferredHighlightEnd properties in ListView.
     //
     // The first ListView does not set a highlight range, so its currentItem
     // can move freely within the visible area. If it moves outside the
     // visible area, the view is automatically scrolled to keep the current
     // item visible.
     //
     // The second ListView sets a highlight range which attempts to keep the
     // current item within the the bounds of the range. However,
     // items will not scroll beyond the beginning or end of the view,
     // forcing the highlight to move outside the range at the ends.
     //
     // The third ListView sets the highlightRangeMode to StrictlyEnforceRange
     // and sets a range smaller than the height of an item.  This
     // forces the current item to change when the view is flicked,
     // since the highlight is unable to move.
     //
     // All ListViews bind their currentIndex to the root.current property.
     // The first ListView sets root.current whenever its currentIndex changes
     // due to keyboard interaction.
     // Flicking the third ListView with the mouse also changes root.current.

     ListView {
         id: list1
         width: 200; height: parent.height
         model: PetsModel {}
         delegate: petDelegate

         highlight: Rectangle { color: "lightsteelblue" }
         currentIndex: root.current
         onCurrentIndexChanged: root.current = currentIndex
         focus: true
     }

     ListView {
         id: list2
         x: list1.width
         width: 200; height: parent.height
         model: PetsModel {}
         delegate: petDelegate

         highlight: Rectangle { color: "yellow" }
         currentIndex: root.current
         preferredHighlightBegin: 80; preferredHighlightEnd: 220
         highlightRangeMode: ListView.ApplyRange
     }

     ListView {
         id: list3
         x: list1.width + list2.width
         width: 200; height: parent.height
         model: PetsModel {}
         delegate: petDelegate

         highlight: Rectangle { color: "yellow" }
         currentIndex: root.current
         onCurrentIndexChanged: root.current = currentIndex
         preferredHighlightBegin: 125; preferredHighlightEnd: 125
         highlightRangeMode: ListView.StrictlyEnforceRange
     }

     // The delegate for each list
     Component {
         id: petDelegate
         Column {
             width: 200
             Text { text: 'Name: ' + name }
             Text { text: 'Type: ' + type }
             Text { text: 'Age: ' + age }
         }
     }
 }