shift-shell/applets/quicksettings/package/contents/ui/BrightnessDelegate.qml

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/*
* Copyright 2015 Marco Martin <notmart@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import QtQuick 2.4
import QtQuick.Layouts 1.1
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents
Item {
id: delegateRoot
implicitWidth: delegate.implicitWidth
implicitHeight: delegate.implicitHeight + (slider.opacity > 0 ? slider.height : 0)
property int screenBrightness
readonly property int maximumScreenBrightness: pmSource.data["PowerDevil"] ? pmSource.data["PowerDevil"]["Maximum Screen Brightness"] || 0 : 0
PlasmaCore.DataSource {
id: pmSource
engine: "powermanagement"
connectedSources: ["PowerDevil"]
onDataChanged: {
delegateRoot.screenBrightness = source.data["PowerDevil"]["Screen Brightness"];
}
}
Delegate {
id: delegate
toggled: slider.opacity > 0
function toggle() {
slider.opacity = slider.opacity > 0 ? 0 : 1;
}
}
PlasmaComponents.Slider {
id: slider
anchors.top: delegate.bottom
width: flow.width
opacity: 0
x: -delegateRoot.parent.x
value: screenBrightness
minimumValue: maximumValue > 100 ? 1 : 0
maximumValue: delegateRoot.maximumScreenBrightness
Behavior on opacity {
OpacityAnimator {
duration: units.shortDuration
easing.type: Easing.InOutQuad
}
}
}
onScreenBrightnessChanged: {
var service = pmSource.serviceForSource("PowerDevil");
var operation = service.operationDescription("setBrightness");
operation.brightness = slider.value;
operation.silent = true
service.startOperationCall(operation);
}
}