/**************************************************************************** ** ** 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 QtDeclarative module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 Item { id: container property variant scrollArea property variant orientation: Qt.Vertical opacity: 0 function position() { var ny = 0; if (container.orientation == Qt.Vertical) ny = scrollArea.visibleArea.yPosition * container.height; else ny = scrollArea.visibleArea.xPosition * container.width; if (ny > 2) return ny; else return 2; } function size() { var nh, ny; if (container.orientation == Qt.Vertical) nh = scrollArea.visibleArea.heightRatio * container.height; else nh = scrollArea.visibleArea.widthRatio * container.width; if (container.orientation == Qt.Vertical) ny = scrollArea.visibleArea.yPosition * container.height; else ny = scrollArea.visibleArea.xPosition * container.width; if (ny > 3) { var t; if (container.orientation == Qt.Vertical) t = Math.ceil(container.height - 3 - ny); else t = Math.ceil(container.width - 3 - ny); if (nh > t) return t; else return nh; } else return nh + ny; } Rectangle { anchors.fill: parent; color: "Black"; opacity: 0.3 } BorderImage { source: "../images/scrollbar.png" border { left: 1; right: 1; top: 1; bottom: 1 } x: container.orientation == Qt.Vertical ? 2 : position() width: container.orientation == Qt.Vertical ? container.width - 4 : size() y: container.orientation == Qt.Vertical ? position() : 2 height: container.orientation == Qt.Vertical ? size() : container.height - 4 } states: State { name: "visible" when: container.orientation == Qt.Vertical ? scrollArea.movingVertically : scrollArea.movingHorizontally PropertyChanges { target: container; opacity: 1.0 } } transitions: Transition { from: "visible"; to: "" NumberAnimation { properties: "opacity"; duration: 600 } } }