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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.0
+
+Rectangle {
+ id: root
+ color: "transparent"
+ radius: 5
+ property alias value: grip.value
+ property color fillColor: "white"
+ property color lineColor: "black"
+ property color gripColor: "white"
+ property real gripSize: 20
+ property real gripTolerance: 3.0
+ property real increment: 0.1
+ property bool enabled: true
+
+ Rectangle {
+ anchors { left: parent.left; right: parent.right; verticalCenter: parent.verticalCenter }
+ height: 3
+ color: displayedColor(root.lineColor)
+
+ Rectangle {
+ anchors { fill: parent; margins: 1 }
+ color: root.fillColor
+ }
+ }
+
+ MouseArea {
+ anchors.fill: parent
+ enabled: root.enabled
+ onClicked: {
+ if (parent.width) {
+ var newValue = mouse.x / parent.width
+ if (Math.abs(newValue - parent.value) > parent.increment) {
+ if (newValue > parent.value)
+ parent.value = Math.min(1.0, parent.value + parent.increment)
+ else
+ parent.value = Math.max(0.0, parent.value - parent.increment)
+ }
+ }
+ }
+ }
+
+ Rectangle {
+ id: grip
+ property real value: 0.5
+ x: (value * parent.width) - width/2
+ anchors.verticalCenter: parent.verticalCenter
+ width: root.gripTolerance * root.gripSize
+ height: width
+ radius: width/2
+ color: "transparent"
+
+ MouseArea {
+ id: mouseArea
+ enabled: root.enabled
+ anchors.fill: parent
+ drag {
+ target: grip
+ axis: Drag.XAxis
+ minimumX: -parent.width/2
+ maximumX: root.width - parent.width/2
+ }
+ onPositionChanged: {
+ if (drag.active)
+ updatePosition()
+ }
+ onReleased: {
+ updatePosition()
+ }
+ function updatePosition() {
+ value = (grip.x + grip.width/2) / grip.parent.width
+ }
+ }
+
+ Rectangle {
+ anchors.centerIn: parent
+ width: root.gripSize
+ height: width
+ radius: width/2
+ color: root.gripColor
+ }
+ }
+
+ function displayedColor(c) {
+ var tint = Qt.rgba(c.r, c.g, c.b, 0.25)
+ return enabled ? c : Qt.tint(c, tint)
+ }
+}