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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
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)
}
}
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