StylePicker.qml Example File

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 import QtQuick 2.2
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import QtQuick.Extras 1.4

 ListView {
     id: stylePicker
     width: parent.width
     height: root.height * 0.06
     interactive: false
     spacing: -1

     orientation: ListView.Horizontal

     readonly property string currentStylePath: stylePicker.model.get(stylePicker.currentIndex).path
     readonly property bool currentStyleDark: stylePicker.model.get(stylePicker.currentIndex).dark !== undefined
         ? stylePicker.model.get(stylePicker.currentIndex).dark
         : true

     ExclusiveGroup {
         id: styleExclusiveGroup
     }

     delegate: Button {
         width: Math.round(stylePicker.width / stylePicker.model.count)
         height: stylePicker.height
         checkable: true
         checked: index === ListView.view.currentIndex
         exclusiveGroup: styleExclusiveGroup

         onCheckedChanged: {
             if (checked) {
                 ListView.view.currentIndex = index;
             }
         }

         style: ButtonStyle {
             background: Rectangle {
                 readonly property color checkedColor: currentStyleDark ? "#444" : "#777"
                 readonly property color uncheckedColor: currentStyleDark ? "#222" : "#bbb"
                 color: checked ? checkedColor : uncheckedColor
                 border.color: checkedColor
                 border.width: 1
                 radius: 1
             }

             label: Text {
                 text: name
                 color: currentStyleDark ? "white" : (checked ? "white" : "black")
                 font.pixelSize: root.toPixels(0.04)
                 font.family: openSans.name
                 anchors.centerIn: parent
                 horizontalAlignment: Text.AlignHCenter
                 verticalAlignment: Text.AlignVCenter
             }
         }
     }
 }