diff options
author | Richard Moe Gustavsen <richard.gustavsen@qt.io> | 2019-11-20 10:15:37 +0100 |
---|---|---|
committer | Richard Moe Gustavsen <richard.gustavsen@qt.io> | 2019-12-09 14:04:34 +0100 |
commit | b753d40f67e20031a307d0fe016d63e3a1463f14 (patch) | |
tree | bf69ba29b4344d8b05ab1d416ec0abfdeda6de4f /src/quick/doc | |
parent | 9314e92feb2bee0a5ba188b563db2c3f66cc3bc3 (diff) |
QQuickListView: document delegate item recycling
Change-Id: I6777eb179643ca2d5fb14f96f5f5ac02f5f2fb04
Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>
Diffstat (limited to 'src/quick/doc')
-rw-r--r-- | src/quick/doc/snippets/qml/listview/ReusableDelegate.qml | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/quick/doc/snippets/qml/listview/ReusableDelegate.qml b/src/quick/doc/snippets/qml/listview/ReusableDelegate.qml new file mode 100644 index 0000000000..050572d5f2 --- /dev/null +++ b/src/quick/doc/snippets/qml/listview/ReusableDelegate.qml @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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 The Qt Company Ltd 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 2.15 + +//![0] +Component { + id: listViewDelegate + Rectangle { + width: 100 + height: 50 + + ListView.onPooled: rotationAnimation.pause() + ListView.onReused: rotationAnimation.resume() + + Rectangle { + id: rect + anchors.centerIn: parent + width: 40 + height: 5 + color: "green" + + RotationAnimation { + id: rotationAnimation + target: rect + duration: (Math.random() * 2000) + 200 + from: 0 + to: 359 + running: true + loops: Animation.Infinite + } + } + } +} +//![0] |