diff options
Diffstat (limited to 'examples/widgets/itemviews/simpletreemodel/treeitem.cpp')
| -rw-r--r-- | examples/widgets/itemviews/simpletreemodel/treeitem.cpp | 105 |
1 files changed, 27 insertions, 78 deletions
diff --git a/examples/widgets/itemviews/simpletreemodel/treeitem.cpp b/examples/widgets/itemviews/simpletreemodel/treeitem.cpp index f998432252..67e021d622 100644 --- a/examples/widgets/itemviews/simpletreemodel/treeitem.cpp +++ b/examples/widgets/itemviews/simpletreemodel/treeitem.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause /* treeitem.cpp @@ -57,70 +10,66 @@ #include "treeitem.h" //! [0] -TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent) - : m_itemData(data), m_parentItem(parent) +TreeItem::TreeItem(QVariantList data, TreeItem *parent) + : m_itemData(std::move(data)), m_parentItem(parent) {} //! [0] //! [1] -TreeItem::~TreeItem() +void TreeItem::appendChild(std::unique_ptr<TreeItem> &&child) { - qDeleteAll(m_childItems); + m_childItems.push_back(std::move(child)); } //! [1] //! [2] -void TreeItem::appendChild(TreeItem *item) +TreeItem *TreeItem::child(int row) { - m_childItems.append(item); + return row >= 0 && row < childCount() ? m_childItems.at(row).get() : nullptr; } //! [2] //! [3] -TreeItem *TreeItem::child(int row) +int TreeItem::childCount() const { - if (row < 0 || row >= m_childItems.size()) - return nullptr; - return m_childItems.at(row); + return int(m_childItems.size()); } //! [3] //! [4] -int TreeItem::childCount() const +int TreeItem::columnCount() const { - return m_childItems.count(); + return int(m_itemData.count()); } //! [4] //! [5] -int TreeItem::columnCount() const +QVariant TreeItem::data(int column) const { - return m_itemData.count(); + return m_itemData.value(column); } //! [5] //! [6] -QVariant TreeItem::data(int column) const -{ - if (column < 0 || column >= m_itemData.size()) - return QVariant(); - return m_itemData.at(column); -} -//! [6] - -//! [7] TreeItem *TreeItem::parentItem() { return m_parentItem; } -//! [7] +//! [6] -//! [8] +//! [7] int TreeItem::row() const { - if (m_parentItem) - return m_parentItem->m_childItems.indexOf(const_cast<TreeItem*>(this)); + if (m_parentItem == nullptr) + return 0; + const auto it = std::find_if(m_parentItem->m_childItems.cbegin(), m_parentItem->m_childItems.cend(), + [this](const std::unique_ptr<TreeItem> &treeItem) { + return treeItem.get() == this; + }); - return 0; + if (it != m_parentItem->m_childItems.cend()) + return std::distance(m_parentItem->m_childItems.cbegin(), it); + Q_ASSERT(false); // should not happen + return -1; } -//! [8] +//! [7] |