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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 Components project.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtDesktop 1.0
+import "private" as Private
+
+FocusScope {
+ id: root
+ width: 100
+ height: 100
+
+ // Cosmetic propeties
+ property bool frame: true
+ property bool frameAroundContents: true
+ property bool highlightOnFocus: false
+ property alias color: colorRect.color // background color
+ property int frameWidth: frame ? styleitem.frameWidth : 0
+
+ // Item properties
+ property alias horizontalScrollBar: scroller.horizontalScrollBar
+ property alias verticalScrollBar: scroller.verticalScrollBar
+
+ // Viewport properties
+ property int contentX
+ property int contentY
+ property int contentHeight : content.childrenRect.height
+ property int contentWidth: content.childrenRect.width
+ property int viewportHeight: height - (horizontalScrollBar.visible ? verticalScrollBar.height : 0) - 2 * frameWidth
+ property int viewportWidth: width - (verticalScrollBar.visible ? verticalScrollBar.width : 0) - 2 * frameWidth
+ default property alias data: content.data
+
+ Rectangle {
+ id: colorRect
+ color: "transparent"
+ anchors.fill:styleitem
+ anchors.margins: frameWidth
+ }
+
+ StyleItem {
+ id: styleitem
+ elementType: "frame"
+ sunken: true
+ visible: frame
+ anchors.fill: parent
+ anchors.rightMargin: frame ? (frameAroundContents ? (verticalScrollBar.visible ? verticalScrollBar.width + 2 * frameMargins : 0) : 0) : 0
+ anchors.bottomMargin: frame ? (frameAroundContents ? (horizontalScrollBar.visible ? horizontalScrollBar.height + 2 * frameMargins : 0) : 0) : 0
+ anchors.topMargin: frame ? (frameAroundContents ? 0 : 0) : 0
+ property int frameWidth
+ property int scrollbarspacing: styleitem.pixelMetric("scrollbarspacing");
+ property int frameMargins : frame ? scrollbarspacing : 0
+ Component.onCompleted: {
+ frameWidth = styleitem.pixelMetric("defaultframewidth");
+ frameAroundContents = styleitem.styleHint("framearoundcontents")
+ }
+ }
+
+ onContentYChanged: {
+ scroller.blockUpdates = true
+ verticalScrollBar.value = contentY
+ scroller.verticalValue = contentY
+ scroller.blockUpdates = false
+ }
+
+ onContentXChanged: {
+ scroller.blockUpdates = true
+ horizontalScrollBar.value = contentX
+ scroller.horizontalValue = contentX
+ scroller.blockUpdates = false
+ }
+
+ Item {
+ id: clipper
+ anchors.fill: styleitem
+ anchors.margins: frameWidth
+ clip: true
+ Item {
+ id: content
+ x: -root.contentX
+ y: -root.contentY
+ }
+ }
+
+
+ Private.ScrollAreaHelper {
+ id: scroller
+ anchors.fill: parent
+ }
+
+ StyleItem {
+ z: 2
+ anchors.fill: parent
+
+ anchors.topMargin: -3
+ anchors.leftMargin: -3
+ anchors.rightMargin: -5
+ anchors.bottomMargin: -5
+
+ visible: highlightOnFocus && parent.activeFocus && styleitem.styleHint("focuswidget")
+ elementType: "focusframe"
+ }
+}