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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Device Creation.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
import QtQuick 2.0
Item {
property var scrollArea: parent
width: 6
opacity: scrollArea && scrollArea.movingVertically ? 1.0 : 0.0
visible: scrollArea && scrollArea.contentHeight >= scrollArea.height
anchors { right: parent.right; top: parent.top; bottom: parent.bottom; margins: 2 }
Behavior on opacity { NumberAnimation { properties: "opacity"; duration: 600 } }
function size() {
var nh = scrollArea.visibleArea.heightRatio * height
var ny = scrollArea.visibleArea.yPosition * height
return ny > 3 ? Math.min(nh, Math.ceil(height - 3 - ny)) : nh + ny
}
Rectangle {
x: 1
y: scrollArea ? Math.max(2, scrollArea.visibleArea.yPosition * parent.height) : 0
height: scrollArea ? size() : 0
width: parent.width - 2
color: Qt.rgba(1.0, 1.0, 1.0, 0.5)
radius: 1
}
}
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