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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
WheelArea {
id: wheelarea
property alias horizontalScrollBar: hscrollbar
property alias verticalScrollBar: vscrollbar
property int macOffset: styleitem.style == "mac" ? 1 : 0
property bool blockUpdates: false
property int availableHeight : height - (hscrollbar.visible ? hscrollbar.height : 0)
property int availableWidth: width - vscrollbar.width
anchors.fill: parent
anchors.margins: frameWidth
horizontalMinimumValue: hscrollbar.minimumValue
horizontalMaximumValue: hscrollbar.maximumValue
verticalMinimumValue: vscrollbar.minimumValue
verticalMaximumValue: vscrollbar.maximumValue
onVerticalValueChanged: {
if (!blockUpdates)
verticalScrollBar.value = verticalValue
}
onHorizontalValueChanged: {
if (!blockUpdates)
horizontalScrollBar.value = horizontalValue
}
StyleItem {
// This is the filled corner between scrollbars
id: cornerFill
elementType: "scrollareacorner"
width: vscrollbar.width
anchors.right: parent.right
height: hscrollbar.height
anchors.bottom: parent.bottom
visible: hscrollbar.visible && vscrollbar.visible
}
ScrollBar {
id: hscrollbar
orientation: Qt.Horizontal
visible: contentWidth > availableWidth
maximumValue: contentWidth > availableWidth ? root.contentWidth - availableWidth : 0
minimumValue: 0
anchors.bottom: parent.bottom
anchors.leftMargin: parent.macOffset
anchors.bottomMargin: -parent.macOffset
anchors.left: parent.left
anchors.right: parent.right
anchors.rightMargin: vscrollbar.visible ? vscrollbar.width -parent.macOffset: 0
onValueChanged: {
if (!blockUpdates) {
contentX = value
horizontalValue = value
}
}
}
ScrollBar {
id: vscrollbar
orientation: Qt.Vertical
// We cannot bind directly to tree.height due to binding loops so we have to redo the calculation here
// visible: contentHeight > availableHeight
maximumValue: contentHeight > availableHeight ? root.contentHeight - availableHeight : 0
minimumValue: 0
anchors.right: parent.right
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.topMargin: 1//parent.macOffset
anchors.rightMargin: -parent.macOffset
anchors.bottomMargin: hscrollbar.visible ? hscrollbar.height - parent.macOffset : 0
onValueChanged: {
if (!blockUpdates) {
contentY = value
verticalValue = value
}
}
}
}
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