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QIdentityProxyModel: store connection handles in a container

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Port to PMF signal/slot syntax: compile-time type checking vs. run-time
string-based search. Given how many connections are made, this is both
safer and more readable.

Drop the _q_ prefix from method names, it was needed since
Q_PRIVATE_SLOT() was used for those methods.

Use QVLA since we know the size at compile time, (not a std::array like
other changes because some elements in the std::initializer_list are
going to be split out, so using a container with a push_back() is
simpler than fiddling with indexes to use operator[], see next commit in
this chain for details).

This is similar to c609b8dba0ae43aeba142164684536f808aad501, so a
similar performance improvement is expected.

Change-Id: Ia7e7d0b1f3c1a95bc399bd06de3b5c96e845b34d
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
This commit is contained in:
Ahmad Samir 2023-08-20 07:56:31 +03:00
parent d91d53c951
commit 1648d2d93a
3 changed files with 107 additions and 132 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

172
src/corelib/itemmodels/qidentityproxymodel.cpp
View File

@ -290,97 +290,72 @@ void QIdentityProxyModel::setSourceModel(QAbstractItemModel* newSourceModel)
{
beginResetModel();
if (sourceModel()) {
disconnect(sourceModel(), SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
this, SLOT(_q_sourceRowsAboutToBeInserted(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
this, SLOT(_q_sourceRowsInserted(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
this, SLOT(_q_sourceRowsAboutToBeRemoved(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(rowsRemoved(QModelIndex,int,int)),
this, SLOT(_q_sourceRowsRemoved(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(rowsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)),
this, SLOT(_q_sourceRowsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)));
disconnect(sourceModel(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)),
this, SLOT(_q_sourceRowsMoved(QModelIndex,int,int,QModelIndex,int)));
disconnect(sourceModel(), SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)),
this, SLOT(_q_sourceColumnsAboutToBeInserted(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(columnsInserted(QModelIndex,int,int)),
this, SLOT(_q_sourceColumnsInserted(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
this, SLOT(_q_sourceColumnsAboutToBeRemoved(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(columnsRemoved(QModelIndex,int,int)),
this, SLOT(_q_sourceColumnsRemoved(QModelIndex,int,int)));
disconnect(sourceModel(), SIGNAL(columnsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)),
this, SLOT(_q_sourceColumnsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)));
disconnect(sourceModel(), SIGNAL(columnsMoved(QModelIndex,int,int,QModelIndex,int)),
this, SLOT(_q_sourceColumnsMoved(QModelIndex,int,int,QModelIndex,int)));
disconnect(sourceModel(), SIGNAL(modelAboutToBeReset()),
this, SLOT(_q_sourceModelAboutToBeReset()));
disconnect(sourceModel(), SIGNAL(modelReset()),
this, SLOT(_q_sourceModelReset()));
disconnect(sourceModel(), SIGNAL(dataChanged(QModelIndex,QModelIndex,QList<int>)),
this, SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex,QList<int>)));
disconnect(sourceModel(), SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
this, SLOT(_q_sourceHeaderDataChanged(Qt::Orientation,int,int)));
disconnect(sourceModel(), SIGNAL(layoutAboutToBeChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)),
this, SLOT(_q_sourceLayoutAboutToBeChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)));
disconnect(sourceModel(), SIGNAL(layoutChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)),
this, SLOT(_q_sourceLayoutChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)));
}
Q_D(QIdentityProxyModel);
// Call QObject::disconnect() unconditionally, if there is an existing source
// model, it's disconnected, and if there isn't, then calling disconnect() on
// a default-constructed Connection does nothing
for (const auto &c : d->m_sourceModelConnections)
QObject::disconnect(c);
QAbstractProxyModel::setSourceModel(newSourceModel);
if (sourceModel()) {
connect(sourceModel(), SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
SLOT(_q_sourceRowsAboutToBeInserted(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
SLOT(_q_sourceRowsInserted(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
SLOT(_q_sourceRowsAboutToBeRemoved(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(rowsRemoved(QModelIndex,int,int)),
SLOT(_q_sourceRowsRemoved(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(rowsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)),
SLOT(_q_sourceRowsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)));
connect(sourceModel(), SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)),
SLOT(_q_sourceRowsMoved(QModelIndex,int,int,QModelIndex,int)));
connect(sourceModel(), SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)),
SLOT(_q_sourceColumnsAboutToBeInserted(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(columnsInserted(QModelIndex,int,int)),
SLOT(_q_sourceColumnsInserted(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
SLOT(_q_sourceColumnsAboutToBeRemoved(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(columnsRemoved(QModelIndex,int,int)),
SLOT(_q_sourceColumnsRemoved(QModelIndex,int,int)));
connect(sourceModel(), SIGNAL(columnsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)),
SLOT(_q_sourceColumnsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int)));
connect(sourceModel(), SIGNAL(columnsMoved(QModelIndex,int,int,QModelIndex,int)),
SLOT(_q_sourceColumnsMoved(QModelIndex,int,int,QModelIndex,int)));
connect(sourceModel(), SIGNAL(modelAboutToBeReset()),
SLOT(_q_sourceModelAboutToBeReset()));
connect(sourceModel(), SIGNAL(modelReset()),
SLOT(_q_sourceModelReset()));
connect(sourceModel(), SIGNAL(dataChanged(QModelIndex,QModelIndex,QList<int>)),
SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex,QList<int>)));
connect(sourceModel(), SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
SLOT(_q_sourceHeaderDataChanged(Qt::Orientation,int,int)));
connect(sourceModel(), SIGNAL(layoutAboutToBeChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)),
SLOT(_q_sourceLayoutAboutToBeChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)));
connect(sourceModel(), SIGNAL(layoutChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)),
SLOT(_q_sourceLayoutChanged(QList<QPersistentModelIndex>,QAbstractItemModel::LayoutChangeHint)));
auto *m = sourceModel();
d->m_sourceModelConnections = {
QObjectPrivate::connect(m, &QAbstractItemModel::rowsAboutToBeInserted, d,
&QIdentityProxyModelPrivate::sourceRowsAboutToBeInserted),
QObjectPrivate::connect(m, &QAbstractItemModel::rowsInserted, d,
&QIdentityProxyModelPrivate::sourceRowsInserted),
QObjectPrivate::connect(m, &QAbstractItemModel::rowsAboutToBeRemoved, d,
&QIdentityProxyModelPrivate::sourceRowsAboutToBeRemoved),
QObjectPrivate::connect(m, &QAbstractItemModel::rowsRemoved, d,
&QIdentityProxyModelPrivate::sourceRowsRemoved),
QObjectPrivate::connect(m, &QAbstractItemModel::rowsAboutToBeMoved, d,
&QIdentityProxyModelPrivate::sourceRowsAboutToBeMoved),
QObjectPrivate::connect(m, &QAbstractItemModel::rowsMoved, d,
&QIdentityProxyModelPrivate::sourceRowsMoved),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsAboutToBeInserted, d,
&QIdentityProxyModelPrivate::sourceColumnsAboutToBeInserted),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsInserted, d,
&QIdentityProxyModelPrivate::sourceColumnsInserted),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsAboutToBeRemoved, d,
&QIdentityProxyModelPrivate::sourceColumnsAboutToBeRemoved),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsRemoved, d,
&QIdentityProxyModelPrivate::sourceColumnsRemoved),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsAboutToBeMoved, d,
&QIdentityProxyModelPrivate::sourceColumnsAboutToBeMoved),
QObjectPrivate::connect(m, &QAbstractItemModel::columnsMoved, d,
&QIdentityProxyModelPrivate::sourceColumnsMoved),
QObjectPrivate::connect(m, &QAbstractItemModel::modelAboutToBeReset, d,
&QIdentityProxyModelPrivate::sourceModelAboutToBeReset),
QObjectPrivate::connect(m, &QAbstractItemModel::modelReset, d,
&QIdentityProxyModelPrivate::sourceModelReset),
QObjectPrivate::connect(m, &QAbstractItemModel::dataChanged, d,
&QIdentityProxyModelPrivate::sourceDataChanged),
QObjectPrivate::connect(m, &QAbstractItemModel::headerDataChanged, d,
&QIdentityProxyModelPrivate::sourceHeaderDataChanged),
QObjectPrivate::connect(m, &QAbstractItemModel::layoutAboutToBeChanged, d,
&QIdentityProxyModelPrivate::sourceLayoutAboutToBeChanged),
QObjectPrivate::connect(m, &QAbstractItemModel::layoutChanged, d,
&QIdentityProxyModelPrivate::sourceLayoutChanged),
};
}
endResetModel();
}
void QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
q->beginInsertColumns(q->mapFromSource(parent), start, end);
}
void QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest)
void QIdentityProxyModelPrivate::sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent,
int sourceStart, int sourceEnd,
const QModelIndex &destParent,
int dest)
{
Q_ASSERT(sourceParent.isValid() ? sourceParent.model() == model : true);
Q_ASSERT(destParent.isValid() ? destParent.model() == model : true);
@ -388,14 +363,14 @@ void QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeMoved(const QModelInde
q->beginMoveColumns(q->mapFromSource(sourceParent), sourceStart, sourceEnd, q->mapFromSource(destParent), dest);
}
void QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
q->beginRemoveColumns(q->mapFromSource(parent), start, end);
}
void QIdentityProxyModelPrivate::_q_sourceColumnsInserted(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceColumnsInserted(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
@ -405,7 +380,9 @@ void QIdentityProxyModelPrivate::_q_sourceColumnsInserted(const QModelIndex &par
q->endInsertColumns();
}
void QIdentityProxyModelPrivate::_q_sourceColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest)
void QIdentityProxyModelPrivate::sourceColumnsMoved(const QModelIndex &sourceParent,
int sourceStart, int sourceEnd,
const QModelIndex &destParent, int dest)
{
Q_ASSERT(sourceParent.isValid() ? sourceParent.model() == model : true);
Q_ASSERT(destParent.isValid() ? destParent.model() == model : true);
@ -418,7 +395,7 @@ void QIdentityProxyModelPrivate::_q_sourceColumnsMoved(const QModelIndex &source
q->endMoveColumns();
}
void QIdentityProxyModelPrivate::_q_sourceColumnsRemoved(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceColumnsRemoved(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
@ -428,7 +405,9 @@ void QIdentityProxyModelPrivate::_q_sourceColumnsRemoved(const QModelIndex &pare
q->endRemoveColumns();
}
void QIdentityProxyModelPrivate::_q_sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList<int> &roles)
void QIdentityProxyModelPrivate::sourceDataChanged(const QModelIndex &topLeft,
const QModelIndex &bottomRight,
const QList<int> &roles)
{
Q_ASSERT(topLeft.isValid() ? topLeft.model() == model : true);
Q_ASSERT(bottomRight.isValid() ? bottomRight.model() == model : true);
@ -436,13 +415,15 @@ void QIdentityProxyModelPrivate::_q_sourceDataChanged(const QModelIndex &topLeft
emit q->dataChanged(q->mapFromSource(topLeft), q->mapFromSource(bottomRight), roles);
}
void QIdentityProxyModelPrivate::_q_sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last)
void QIdentityProxyModelPrivate::sourceHeaderDataChanged(Qt::Orientation orientation, int first,
int last)
{
Q_Q(QIdentityProxyModel);
emit q->headerDataChanged(orientation, first, last);
}
void QIdentityProxyModelPrivate::_q_sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint)
void QIdentityProxyModelPrivate::sourceLayoutAboutToBeChanged(
const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint)
{
Q_Q(QIdentityProxyModel);
@ -470,7 +451,8 @@ void QIdentityProxyModelPrivate::_q_sourceLayoutAboutToBeChanged(const QList<QPe
}
}
void QIdentityProxyModelPrivate::_q_sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint)
void QIdentityProxyModelPrivate::sourceLayoutChanged(
const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint)
{
Q_Q(QIdentityProxyModel);
@ -496,26 +478,29 @@ void QIdentityProxyModelPrivate::_q_sourceLayoutChanged(const QList<QPersistentM
emit q->layoutChanged(parents, hint);
}
void QIdentityProxyModelPrivate::_q_sourceModelAboutToBeReset()
void QIdentityProxyModelPrivate::sourceModelAboutToBeReset()
{
Q_Q(QIdentityProxyModel);
q->beginResetModel();
}
void QIdentityProxyModelPrivate::_q_sourceModelReset()
void QIdentityProxyModelPrivate::sourceModelReset()
{
Q_Q(QIdentityProxyModel);
q->endResetModel();
}
void QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceRowsAboutToBeInserted(const QModelIndex &parent, int start,
int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
q->beginInsertRows(q->mapFromSource(parent), start, end);
}
void QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest)
void QIdentityProxyModelPrivate::sourceRowsAboutToBeMoved(const QModelIndex &sourceParent,
int sourceStart, int sourceEnd,
const QModelIndex &destParent, int dest)
{
Q_ASSERT(sourceParent.isValid() ? sourceParent.model() == model : true);
Q_ASSERT(destParent.isValid() ? destParent.model() == model : true);
@ -523,14 +508,15 @@ void QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeMoved(const QModelIndex &
q->beginMoveRows(q->mapFromSource(sourceParent), sourceStart, sourceEnd, q->mapFromSource(destParent), dest);
}
void QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start,
int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
q->beginRemoveRows(q->mapFromSource(parent), start, end);
}
void QIdentityProxyModelPrivate::_q_sourceRowsInserted(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceRowsInserted(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);
@ -540,7 +526,9 @@ void QIdentityProxyModelPrivate::_q_sourceRowsInserted(const QModelIndex &parent
q->endInsertRows();
}
void QIdentityProxyModelPrivate::_q_sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest)
void QIdentityProxyModelPrivate::sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart,
int sourceEnd, const QModelIndex &destParent,
int dest)
{
Q_ASSERT(sourceParent.isValid() ? sourceParent.model() == model : true);
Q_ASSERT(destParent.isValid() ? destParent.model() == model : true);
@ -553,7 +541,7 @@ void QIdentityProxyModelPrivate::_q_sourceRowsMoved(const QModelIndex &sourcePar
q->endMoveRows();
}
void QIdentityProxyModelPrivate::_q_sourceRowsRemoved(const QModelIndex &parent, int start, int end)
void QIdentityProxyModelPrivate::sourceRowsRemoved(const QModelIndex &parent, int start, int end)
{
Q_ASSERT(parent.isValid() ? parent.model() == model : true);
Q_Q(QIdentityProxyModel);

22
src/corelib/itemmodels/qidentityproxymodel.h
View File

@ -50,28 +50,6 @@ protected:
private:
Q_DECLARE_PRIVATE(QIdentityProxyModel)
Q_DISABLE_COPY(QIdentityProxyModel)
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeInserted(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsInserted(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeRemoved(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsRemoved(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsMoved(QModelIndex,int,int,QModelIndex,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeInserted(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsInserted(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeRemoved(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsRemoved(QModelIndex,int,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeMoved(QModelIndex,int,int,QModelIndex,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsMoved(QModelIndex,int,int,QModelIndex,int))
Q_PRIVATE_SLOT(d_func(), void _q_sourceDataChanged(QModelIndex, QModelIndex, QList<int>))
Q_PRIVATE_SLOT(d_func(), void _q_sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last))
Q_PRIVATE_SLOT(d_func(), void _q_sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint))
Q_PRIVATE_SLOT(d_func(), void _q_sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint))
Q_PRIVATE_SLOT(d_func(), void _q_sourceModelAboutToBeReset())
Q_PRIVATE_SLOT(d_func(), void _q_sourceModelReset())
};
QT_END_NAMESPACE

45
src/corelib/itemmodels/qidentityproxymodel_p.h
View File

@ -33,28 +33,37 @@ public:
QList<QPersistentModelIndex> layoutChangePersistentIndexes;
QModelIndexList proxyIndexes;
void _q_sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void _q_sourceRowsInserted(const QModelIndex &parent, int start, int end);
void _q_sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void _q_sourceRowsRemoved(const QModelIndex &parent, int start, int end);
void _q_sourceRowsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest);
void _q_sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest);
void sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void sourceRowsInserted(const QModelIndex &parent, int start, int end);
void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
void sourceRowsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
const QModelIndex &destParent, int dest);
void sourceRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
const QModelIndex &destParent, int dest);
void _q_sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void _q_sourceColumnsInserted(const QModelIndex &parent, int start, int end);
void _q_sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void _q_sourceColumnsRemoved(const QModelIndex &parent, int start, int end);
void _q_sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest);
void _q_sourceColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destParent, int dest);
void sourceColumnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void sourceColumnsInserted(const QModelIndex &parent, int start, int end);
void sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void sourceColumnsRemoved(const QModelIndex &parent, int start, int end);
void sourceColumnsAboutToBeMoved(const QModelIndex &sourceParent, int sourceStart,
int sourceEnd, const QModelIndex &destParent, int dest);
void sourceColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
const QModelIndex &destParent, int dest);
void _q_sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList<int> &roles);
void _q_sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last);
void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
const QList<int> &roles);
void sourceHeaderDataChanged(Qt::Orientation orientation, int first, int last);
void _q_sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint);
void _q_sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents, QAbstractItemModel::LayoutChangeHint hint);
void _q_sourceModelAboutToBeReset();
void _q_sourceModelReset();
void sourceLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents,
QAbstractItemModel::LayoutChangeHint hint);
void sourceLayoutChanged(const QList<QPersistentModelIndex> &sourceParents,
QAbstractItemModel::LayoutChangeHint hint);
void sourceModelAboutToBeReset();
void sourceModelReset();
private:
QVarLengthArray<QMetaObject::Connection, 18> m_sourceModelConnections;
};
QT_END_NAMESPACE