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-rw-r--r--src/corelib/itemmodels/qabstractitemmodel.cpp52
1 files changed, 23 insertions, 29 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp
index fc69e362c7..3bcd81bcdf 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.cpp
+++ b/src/corelib/itemmodels/qabstractitemmodel.cpp
@@ -61,9 +61,9 @@ Q_LOGGING_CATEGORY(lcCheckIndex, "qt.core.qabstractitemmodel.checkindex")
QPersistentModelIndexData *QPersistentModelIndexData::create(const QModelIndex &index)
{
Q_ASSERT(index.isValid()); // we will _never_ insert an invalid index in the list
- QPersistentModelIndexData *d = 0;
+ QPersistentModelIndexData *d = nullptr;
QAbstractItemModel *model = const_cast<QAbstractItemModel *>(index.model());
- QHash<QModelIndex, QPersistentModelIndexData *> &indexes = model->d_func()->persistent.indexes;
+ QMultiHash<QModelIndex, QPersistentModelIndexData *> &indexes = model->d_func()->persistent.indexes;
const auto it = indexes.constFind(index);
if (it != indexes.cend()) {
d = (*it);
@@ -136,7 +136,7 @@ void QPersistentModelIndexData::destroy(QPersistentModelIndexData *data)
*/
QPersistentModelIndex::QPersistentModelIndex()
- : d(0)
+ : d(nullptr)
{
}
@@ -158,7 +158,7 @@ QPersistentModelIndex::QPersistentModelIndex(const QPersistentModelIndex &other)
*/
QPersistentModelIndex::QPersistentModelIndex(const QModelIndex &index)
- : d(0)
+ : d(nullptr)
{
if (index.isValid()) {
d = QPersistentModelIndexData::create(index);
@@ -176,7 +176,7 @@ QPersistentModelIndex::~QPersistentModelIndex()
{
if (d && !d->ref.deref()) {
QPersistentModelIndexData::destroy(d);
- d = 0;
+ d = nullptr;
}
}
@@ -257,7 +257,7 @@ QPersistentModelIndex &QPersistentModelIndex::operator=(const QModelIndex &other
d = QPersistentModelIndexData::create(other);
if (d) d->ref.ref();
} else {
- d = 0;
+ d = nullptr;
}
return *this;
}
@@ -344,7 +344,7 @@ void *QPersistentModelIndex::internalPointer() const
{
if (d)
return d->index.internalPointer();
- return 0;
+ return nullptr;
}
/*!
@@ -432,7 +432,7 @@ Qt::ItemFlags QPersistentModelIndex::flags() const
{
if (d)
return d->index.flags();
- return 0;
+ return { };
}
/*!
@@ -442,7 +442,7 @@ const QAbstractItemModel *QPersistentModelIndex::model() const
{
if (d)
return d->index.model();
- return 0;
+ return nullptr;
}
/*!
@@ -484,7 +484,7 @@ QDebug operator<<(QDebug dbg, const QPersistentModelIndex &idx)
class QEmptyItemModel : public QAbstractItemModel
{
public:
- explicit QEmptyItemModel(QObject *parent = 0) : QAbstractItemModel(parent) {}
+ explicit QEmptyItemModel(QObject *parent = nullptr) : QAbstractItemModel(parent) {}
QModelIndex index(int, int, const QModelIndex &) const override { return QModelIndex(); }
QModelIndex parent(const QModelIndex &) const override { return QModelIndex(); }
int rowCount(const QModelIndex &) const override { return 0; }
@@ -662,8 +662,7 @@ void QAbstractItemModelPrivate::rowsAboutToBeInserted(const QModelIndex &parent,
Q_UNUSED(last);
QVector<QPersistentModelIndexData *> persistent_moved;
if (first < q->rowCount(parent)) {
- for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
- it != persistent.indexes.constEnd(); ++it) {
+ for (auto it = persistent.indexes.constBegin(); it != persistent.indexes.constEnd(); ++it) {
QPersistentModelIndexData *data = *it;
const QModelIndex &index = data->index;
if (index.row() >= first && index.isValid() && index.parent() == parent) {
@@ -699,14 +698,13 @@ void QAbstractItemModelPrivate::itemsAboutToBeMoved(const QModelIndex &srcParent
QVector<QPersistentModelIndexData *> persistent_moved_in_source;
QVector<QPersistentModelIndexData *> persistent_moved_in_destination;
- QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it;
- const QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator begin = persistent.indexes.constBegin();
- const QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator end = persistent.indexes.constEnd();
+ const auto begin = persistent.indexes.constBegin();
+ const auto end = persistent.indexes.constEnd();
const bool sameParent = (srcParent == destinationParent);
const bool movingUp = (srcFirst > destinationChild);
- for ( it = begin; it != end; ++it) {
+ for (auto it = begin; it != end; ++it) {
QPersistentModelIndexData *data = *it;
const QModelIndex &index = data->index;
const QModelIndex &parent = index.parent();
@@ -811,8 +809,7 @@ void QAbstractItemModelPrivate::rowsAboutToBeRemoved(const QModelIndex &parent,
QVector<QPersistentModelIndexData *> persistent_invalidated;
// find the persistent indexes that are affected by the change, either by being in the removed subtree
// or by being on the same level and below the removed rows
- for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
- it != persistent.indexes.constEnd(); ++it) {
+ for (auto it = persistent.indexes.constBegin(); it != persistent.indexes.constEnd(); ++it) {
QPersistentModelIndexData *data = *it;
bool level_changed = false;
QModelIndex current = data->index;
@@ -867,8 +864,7 @@ void QAbstractItemModelPrivate::columnsAboutToBeInserted(const QModelIndex &pare
Q_UNUSED(last);
QVector<QPersistentModelIndexData *> persistent_moved;
if (first < q->columnCount(parent)) {
- for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
- it != persistent.indexes.constEnd(); ++it) {
+ for (auto it = persistent.indexes.constBegin(); it != persistent.indexes.constEnd(); ++it) {
QPersistentModelIndexData *data = *it;
const QModelIndex &index = data->index;
if (index.column() >= first && index.isValid() && index.parent() == parent)
@@ -904,8 +900,7 @@ void QAbstractItemModelPrivate::columnsAboutToBeRemoved(const QModelIndex &paren
QVector<QPersistentModelIndexData *> persistent_invalidated;
// find the persistent indexes that are affected by the change, either by being in the removed subtree
// or by being on the same level and to the right of the removed columns
- for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = persistent.indexes.constBegin();
- it != persistent.indexes.constEnd(); ++it) {
+ for (auto it = persistent.indexes.constBegin(); it != persistent.indexes.constEnd(); ++it) {
QPersistentModelIndexData *data = *it;
bool level_changed = false;
QModelIndex current = data->index;
@@ -1950,10 +1945,10 @@ QStringList QAbstractItemModel::mimeTypes() const
QMimeData *QAbstractItemModel::mimeData(const QModelIndexList &indexes) const
{
if (indexes.count() <= 0)
- return 0;
+ return nullptr;
QStringList types = mimeTypes();
if (types.isEmpty())
- return 0;
+ return nullptr;
QMimeData *data = new QMimeData();
QString format = types.at(0);
QByteArray encoded;
@@ -2296,7 +2291,7 @@ Qt::ItemFlags QAbstractItemModel::flags(const QModelIndex &index) const
{
Q_D(const QAbstractItemModel);
if (!d->indexValid(index))
- return 0;
+ return { };
return Qt::ItemIsSelectable|Qt::ItemIsEnabled;
}
@@ -3376,8 +3371,7 @@ QModelIndexList QAbstractItemModel::persistentIndexList() const
Q_D(const QAbstractItemModel);
QModelIndexList result;
result.reserve(d->persistent.indexes.count());
- for (QHash<QModelIndex, QPersistentModelIndexData *>::const_iterator it = d->persistent.indexes.constBegin();
- it != d->persistent.indexes.constEnd(); ++it) {
+ for (auto it = d->persistent.indexes.constBegin(); it != d->persistent.indexes.constEnd(); ++it) {
QPersistentModelIndexData *data = *it;
result.append(data->index);
}
@@ -3995,8 +3989,8 @@ bool QAbstractListModel::dropMimeData(const QMimeData *data, Qt::DropAction acti
*/
void QAbstractItemModelPrivate::Persistent::insertMultiAtEnd(const QModelIndex& key, QPersistentModelIndexData *data)
{
- QHash<QModelIndex,QPersistentModelIndexData *>::iterator newIt = indexes.insert(key, data);
- QHash<QModelIndex,QPersistentModelIndexData *>::iterator it = newIt;
+ auto newIt = indexes.insert(key, data);
+ auto it = newIt;
++it;
while (it != indexes.end() && it.key() == key) {
qSwap(*newIt,*it);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-06 06:30:56 +0000