diff options
Diffstat (limited to 'src/corelib/itemmodels/qtransposeproxymodel.cpp')
-rw-r--r-- | src/corelib/itemmodels/qtransposeproxymodel.cpp | 76 |
1 files changed, 25 insertions, 51 deletions
diff --git a/src/corelib/itemmodels/qtransposeproxymodel.cpp b/src/corelib/itemmodels/qtransposeproxymodel.cpp index 899f93c2a5..621b54782e 100644 --- a/src/corelib/itemmodels/qtransposeproxymodel.cpp +++ b/src/corelib/itemmodels/qtransposeproxymodel.cpp @@ -1,47 +1,12 @@ -/**************************************************************************** -** -** Copyright (C) 2018 Luca Beldi <v.ronin@yahoo.it> -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2018 Luca Beldi <v.ronin@yahoo.it> +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qtransposeproxymodel.h" #include <private/qtransposeproxymodel_p.h> #include <QtCore/qlist.h> #include <QtCore/qmetaobject.h> #include <QtCore/qsize.h> +#include <QtCore/qmap.h> QT_BEGIN_NAMESPACE @@ -64,9 +29,10 @@ QModelIndex QTransposeProxyModelPrivate::uncheckedMapFromSource(const QModelInde void QTransposeProxyModelPrivate::onLayoutChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint) { Q_Q(QTransposeProxyModel); + Q_ASSERT(layoutChangeProxyIndexes.size() == layoutChangePersistentIndexes.size()); QModelIndexList toList; toList.reserve(layoutChangePersistentIndexes.size()); - for (const QPersistentModelIndex &persistIdx : qAsConst(layoutChangePersistentIndexes)) + for (const QPersistentModelIndex &persistIdx : std::as_const(layoutChangePersistentIndexes)) toList << q->mapFromSource(persistIdx); q->changePersistentIndexList(layoutChangeProxyIndexes, toList); layoutChangeProxyIndexes.clear(); @@ -83,9 +49,26 @@ void QTransposeProxyModelPrivate::onLayoutChanged(const QList<QPersistentModelIn emit q->layoutChanged(proxyParents, proxyHint); } -void QTransposeProxyModelPrivate::onLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint) +void QTransposeProxyModelPrivate::onLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint) { Q_Q(QTransposeProxyModel); + QList<QPersistentModelIndex> proxyParents; + proxyParents.reserve(sourceParents.size()); + for (const QPersistentModelIndex &parent : sourceParents) { + if (!parent.isValid()) { + proxyParents << QPersistentModelIndex(); + continue; + } + const QModelIndex mappedParent = q->mapFromSource(parent); + Q_ASSERT(mappedParent.isValid()); + proxyParents << mappedParent; + } + QAbstractItemModel::LayoutChangeHint proxyHint = QAbstractItemModel::NoLayoutChangeHint; + if (hint == QAbstractItemModel::VerticalSortHint) + proxyHint = QAbstractItemModel::HorizontalSortHint; + else if (hint == QAbstractItemModel::HorizontalSortHint) + proxyHint = QAbstractItemModel::VerticalSortHint; + emit q->layoutAboutToBeChanged(proxyParents, proxyHint); const QModelIndexList proxyPersistentIndexes = q->persistentIndexList(); layoutChangeProxyIndexes.clear(); layoutChangePersistentIndexes.clear(); @@ -98,16 +81,6 @@ void QTransposeProxyModelPrivate::onLayoutAboutToBeChanged(const QList<QPersiste Q_ASSERT(srcPersistentIndex.isValid()); layoutChangePersistentIndexes << srcPersistentIndex; } - QList<QPersistentModelIndex> proxyParents; - proxyParents.reserve(parents.size()); - for (auto& srcParent : parents) - proxyParents << q->mapFromSource(srcParent); - QAbstractItemModel::LayoutChangeHint proxyHint = QAbstractItemModel::NoLayoutChangeHint; - if (hint == QAbstractItemModel::VerticalSortHint) - proxyHint = QAbstractItemModel::HorizontalSortHint; - else if (hint == QAbstractItemModel::HorizontalSortHint) - proxyHint = QAbstractItemModel::VerticalSortHint; - emit q->layoutAboutToBeChanged(proxyParents, proxyHint); } void QTransposeProxyModelPrivate::onDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, @@ -162,6 +135,7 @@ void QTransposeProxyModelPrivate::onRowsAboutToBeMoved(const QModelIndex &source /*! \since 5.13 \class QTransposeProxyModel + \inmodule QtCore \brief This proxy transposes the source model. This model will make the rows of the source model become columns of the proxy model and vice-versa. @@ -198,7 +172,7 @@ void QTransposeProxyModel::setSourceModel(QAbstractItemModel* newSourceModel) return; beginResetModel(); if (d->model) { - for (const QMetaObject::Connection& discIter : qAsConst(d->sourceConnections)) + for (const QMetaObject::Connection& discIter : std::as_const(d->sourceConnections)) disconnect(discIter); } d->sourceConnections.clear(); |