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ScrollView.qml 11.24 KiB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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**     of its contributors may be used to endorse or promote products derived
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**     from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.1
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import QtQuick.Controls 1.0
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import QtQuick.Controls.Private 1.0
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import QtQuick.Controls.Styles 1.0
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/*!
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    \qmltype ScrollView
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    \inqmlmodule QtQuick.Controls 1.0
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    \since  QtQuick.Controls 1.0
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    \ingroup views
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    \brief Provides a scrolling view within another Item.
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    A ScrollView can be used either to replace a \l Flickable or decorate an
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    existing \l Flickable. Depending on the platform, it will add scroll bars and
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    a content frame.
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    Only one Item can be a direct child of the ScrollView and the child is implicitly anchored
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    to fill the scroll view.
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    Example:
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    \code
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    ScrollView {
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        Image { imageSource: "largeImage.png" }
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    }
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    \endcode
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    In the previous example the Image item will implicitly get scroll behavior as if it was
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    used within a \l Flickable. The width and height of the child item will be used to
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    define the size of the content area.
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Example: \code ScrollView { ListView { ... } } \endcode In this case the content size of the ScrollView will simply mirror that of its contained \l flickableItem. You can create a custom appearance for a ScrollView by assigning a \l ScrollViewStyle. */ FocusScope { id: root implicitWidth: 240 implicitHeight: 150 /*! This property tells the ScrollView if it should render a frame around its content. The default value is \c false. */ property bool frameVisible: false /*! This property controls if there should be a highlight around the frame when the ScrollView has input focus. The default value is \c false. \note This property is only applicable on some platforms, such as Mac OS. */ property bool highlightOnFocus: false /*! \qmlproperty Item ScrollView::viewport The viewport determines the current "window" on the contentItem. In other words, it clips it and the size of the viewport tells you how much of the content area is visible. */ property alias viewport: viewportItem /*! \qmlproperty Item ScrollView::flickableItem The flickableItem of the ScrollView. If the contentItem provided to the ScrollView is a Flickable, it will be the \l contentItem. */ readonly property alias flickableItem: internal.flickableItem /*! The contentItem of the ScrollView. This is set by the user. Note that the definition of contentItem is somewhat different to that of a Flickable, where the contentItem is implicitly created. */ default property Item contentItem /*! \internal */ property Item __scroller: scroller /*! \internal */ property int __scrollBarTopMargin: 0