SwitchStyle.qml

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import QtQuick 2.4
import QtQuick.Window 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0
import QtQuick.Controls.Styles 1.2
import QtQuick.Controls.Styles.Android 1.0
import "drawables"

SwitchStyle {
    property Switch control: __control
    readonly property bool hasHoloSwitch: !!AndroidStyle.styleDef.switchStyle

    Component.onCompleted: if (hasHoloSwitch) panel = holoPanel

    Component {
        id: holoPanel

        Item {
            id: panel

            readonly property var styleDef: AndroidStyle.styleDef.switchStyle

            implicitWidth: Math.max(styleDef.Switch_switchMinWidth, Math.max(track.implicitWidth, 2 * thumb.implicitWidth))
            implicitHeight: Math.max(track.implicitHeight, thumb.implicitHeight)

            property real min: track.padding.left
            property real max: track.width - thumb.width - track.padding.left
            property var __handle: thumb

            DrawableLoader {
                id: track