ubuntu-system-settings 0.1+14.04.20140411-0ubuntu2 / usr / share / ubuntu / settings / system / qml-plugins / SystemSettings / BrightnessSlider.qml

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/usr/share/ubuntu/settings/system/qml-plugins/SystemSettings/BrightnessSlider.qml is in ubuntu-system-settings 0.1+14.04.20140411-0ubuntu2.

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The actual contents of the file can be viewed below. 

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/*
 * This file is part of system-settings
 *
 * Copyright (C) 2013-14 Canonical Ltd.
 *
 * Contact: Iain Lane <iain.lane@canonical.com>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3, as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import Ubuntu.Components 0.1
import Ubuntu.Components.ListItems 0.1 as ListItem
import QtQuick 2.0
import QMenuModel 0.1

Column {
    signal pressed
    property int level: indicatorPower.batteryLevel
    readonly property bool pressed: sliderId.pressed

    anchors {
        left: parent.left
        right: parent.right
    }

    QDBusActionGroup {
        id: indicatorPower
        busType: 1
        busName: "com.canonical.indicator.power"
        objectPath: "/com/canonical/indicator/power"

        property variant brightness: action("brightness").state
        property variant batteryLevel: action("battery-level").state
        onBrightnessChanged: { 
            sliderId.enabled = brightness != null
            sliderId.value = sliderId.enabled ? brightness * 100 : 0.0
        }
    }

    Component.onCompleted: indicatorPower.start()

    ListItem.Standard {
        text: i18n.tr("Display brightness")
        showDivider: false
    }

    ListItem.Base {

        Icon {
            id: iconLeft
            anchors.verticalCenter: parent.verticalCenter
            height: sliderId.height - units.gu(1)
            name: "torch-off"
            width: height

            MouseArea {
                anchors.fill: parent
                onClicked: sliderId.value = 0.0
            }
        }
        Slider {
            id: sliderId
            function formatValue(v) {
                return "%1%".arg(v.toFixed(0))
            }

            anchors {
                left: iconLeft.right
                right: iconRight.left
                leftMargin: units.gu(1)
                rightMargin: units.gu(1)
                verticalCenter: parent.verticalCenter
            }
            height: parent.height - units.gu(2)
            minimumValue: 0.0
            maximumValue: 100.0
            live: true

            onValueChanged: indicatorPower.action('brightness').updateState(value / 100.0)
        }
        Icon {
            id: iconRight
            anchors.right: parent.right
            anchors.verticalCenter: parent.verticalCenter
            height: sliderId.height - units.gu(1)
            name: "torch-on"
            width: height

            MouseArea {
                anchors.fill: parent
                onClicked: sliderId.value = 100.0
            }
        }
    }
}

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