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Merge pull request #13953 from Chocobo1/cmp

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Migrate away from deprecated QVariant comparison operators
This commit is contained in:
Mike Tzou 2020-12-13 11:49:52 +08:00 committed by GitHub
commit 10fbb6a2a8
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4 changed files with 72 additions and 51 deletions
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5
src/base/bittorrent/infohash.cpp
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@ -84,6 +84,11 @@ bool BitTorrent::operator!=(const InfoHash &left, const InfoHash &right)
return !(left == right);
}
bool BitTorrent::operator<(const InfoHash &left, const InfoHash &right)
{
return static_cast<lt::sha1_hash>(left) < static_cast<lt::sha1_hash>(right);
}
uint BitTorrent::qHash(const InfoHash &key, const uint seed)
{
return ::qHash((std::hash<lt::sha1_hash> {})(key), seed);

1
src/base/bittorrent/infohash.h
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@ -61,6 +61,7 @@ namespace BitTorrent
bool operator==(const InfoHash &left, const InfoHash &right);
bool operator!=(const InfoHash &left, const InfoHash &right);
bool operator<(const InfoHash &left, const InfoHash &right);
uint qHash(const InfoHash &key, uint seed);
}

20
src/base/utils/version.h
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@ -133,19 +133,15 @@ namespace Utils
return (*this != ThisType {});
}
constexpr bool operator==(const ThisType &other) const
// TODO: remove manually defined operators and use compiler generated `operator<=>()` in C++20
friend bool operator==(const ThisType &left, const ThisType &right)
{
return (m_components == other.m_components);
return (left.m_components == right.m_components);
}
constexpr bool operator<(const ThisType &other) const
friend bool operator<(const ThisType &left, const ThisType &right)
{
return (m_components < other.m_components);
}
constexpr bool operator>(const ThisType &other) const
{
return (m_components > other.m_components);
return (left.m_components < right.m_components);
}
template <typename StringClassWithSplitMethod>
@ -198,6 +194,12 @@ namespace Utils
return !(left == right);
}
template <typename T, std::size_t N, std::size_t Mandatory>
constexpr bool operator>(const Version<T, N, Mandatory> &left, const Version<T, N, Mandatory> &right)
{
return (right < left);
}
template <typename T, std::size_t N, std::size_t Mandatory>
constexpr bool operator<=(const Version<T, N, Mandatory> &left, const Version<T, N, Mandatory> &right)
{

97
src/gui/transferlistsortmodel.cpp
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@ -41,7 +41,6 @@ TransferListSortModel::TransferListSortModel(QObject *parent)
: QSortFilterProxyModel {parent}
{
setSortRole(TransferListModel::UnderlyingDataRole);
QMetaType::registerComparators<BitTorrent::TorrentState>();
}
void TransferListSortModel::setStatusFilter(TorrentFilter::Type filter)
@ -103,8 +102,8 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
const auto hashLessThan = [this, &left, &right]() -> bool
{
const TransferListModel *model = qobject_cast<TransferListModel *>(sourceModel());
const QString hashL = model->torrentHandle(left)->hash();
const QString hashR = model->torrentHandle(right)->hash();
const BitTorrent::InfoHash hashL = model->torrentHandle(left)->hash();
const BitTorrent::InfoHash hashR = model->torrentHandle(right)->hash();
return hashL < hashR;
};
@ -122,21 +121,21 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
return (Utils::String::naturalCompare(leftValue.toString(), rightValue.toString(), Qt::CaseInsensitive) < 0);
case TransferListModel::TR_STATUS:
// QSortFilterProxyModel::lessThan() uses the < operator only for specific QVariant types
// so our custom type is outside that list.
// In this case QSortFilterProxyModel::lessThan() converts other types to QString and
// sorts them.
// Thus we can't use the code in the default label.
if (leftValue != rightValue)
return leftValue < rightValue;
return invokeLessThanForColumn(TransferListModel::TR_QUEUE_POSITION);
{
const auto stateL = leftValue.value<BitTorrent::TorrentState>();
const auto stateR = rightValue.value<BitTorrent::TorrentState>();
if (stateL != stateR)
return stateL < stateR;
return invokeLessThanForColumn(TransferListModel::TR_QUEUE_POSITION);
}
case TransferListModel::TR_ADD_DATE:
case TransferListModel::TR_SEED_DATE:
case TransferListModel::TR_SEEN_COMPLETE_DATE:
{
const QDateTime dateL = leftValue.toDateTime();
const QDateTime dateR = rightValue.toDateTime();
{
const auto dateL = leftValue.toDateTime();
const auto dateR = rightValue.toDateTime();
if (dateL.isValid() && dateR.isValid())
{
@ -156,20 +155,21 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
}
case TransferListModel::TR_QUEUE_POSITION:
{
// QVariant has comparators for all basic types
if ((leftValue > 0) || (rightValue > 0))
{
if ((leftValue > 0) && (rightValue > 0))
return leftValue < rightValue;
{
const auto positionL = leftValue.toInt();
const auto positionR = rightValue.toInt();
return leftValue != 0;
if ((positionL > 0) || (positionR > 0))
{
if ((positionL > 0) && (positionR > 0))
return positionL < positionR;
return positionL != 0;
}
// Sort according to TR_SEED_DATE
const QDateTime dateL = left.sibling(left.row(), TransferListModel::TR_SEED_DATE)
const auto dateL = left.sibling(left.row(), TransferListModel::TR_SEED_DATE)
.data(TransferListModel::UnderlyingDataRole).toDateTime();
const QDateTime dateR = right.sibling(right.row(), TransferListModel::TR_SEED_DATE)
const auto dateR = right.sibling(right.row(), TransferListModel::TR_SEED_DATE)
.data(TransferListModel::UnderlyingDataRole).toDateTime();
if (dateL.isValid() && dateR.isValid())
@ -191,22 +191,23 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
case TransferListModel::TR_SEEDS:
case TransferListModel::TR_PEERS:
{
// QVariant has comparators for all basic types
// Active peers/seeds take precedence over total peers/seeds.
if (leftValue != rightValue)
return (leftValue < rightValue);
{
// Active peers/seeds take precedence over total peers/seeds
const auto activeL = leftValue.toInt();
const auto activeR = rightValue.toInt();
if (activeL != activeR)
return activeL < activeR;
const QVariant leftValueTotal = left.data(TransferListModel::AdditionalUnderlyingDataRole);
const QVariant rightValueTotal = right.data(TransferListModel::AdditionalUnderlyingDataRole);
if (leftValueTotal != rightValueTotal)
return (leftValueTotal < rightValueTotal);
const auto totalL = left.data(TransferListModel::AdditionalUnderlyingDataRole).toInt();
const auto totalR = right.data(TransferListModel::AdditionalUnderlyingDataRole).toInt();
if (totalL != totalR)
return totalL < totalR;
return invokeLessThanForColumn(TransferListModel::TR_QUEUE_POSITION);
}
case TransferListModel::TR_ETA:
{
{
// Sorting rules prioritized.
// 1. Active torrents at the top
// 2. Seeding torrents at the bottom
@ -221,9 +222,9 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
if (isActiveL != isActiveR)
return isActiveL;
const int queuePosL = left.sibling(left.row(), TransferListModel::TR_QUEUE_POSITION)
const auto queuePosL = left.sibling(left.row(), TransferListModel::TR_QUEUE_POSITION)
.data(TransferListModel::UnderlyingDataRole).toInt();
const int queuePosR = right.sibling(right.row(), TransferListModel::TR_QUEUE_POSITION)
const auto queuePosR = right.sibling(right.row(), TransferListModel::TR_QUEUE_POSITION)
.data(TransferListModel::UnderlyingDataRole).toInt();
const bool isSeedingL = (queuePosL < 0);
const bool isSeedingR = (queuePosR < 0);
@ -236,8 +237,8 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
return isAscendingOrder;
}
const qlonglong etaL = leftValue.toLongLong();
const qlonglong etaR = rightValue.toLongLong();
const auto etaL = leftValue.toLongLong();
const auto etaR = rightValue.toLongLong();
const bool isInvalidL = ((etaL < 0) || (etaL >= MAX_ETA));
const bool isInvalidR = ((etaR < 0) || (etaR >= MAX_ETA));
if (isInvalidL && isInvalidR)
@ -255,12 +256,24 @@ bool TransferListSortModel::lessThan_impl(const QModelIndex &left, const QModelI
}
case TransferListModel::TR_LAST_ACTIVITY:
case TransferListModel::TR_RATIO_LIMIT:
// QVariant has comparators for all basic types
if (leftValue < 0) return false;
if (rightValue < 0) return true;
{
const auto lastActivityL = leftValue.toLongLong();
const auto lastActivityR = rightValue.toLongLong();
return (leftValue < rightValue);
if (lastActivityL < 0) return false;
if (lastActivityR < 0) return true;
return lastActivityL < lastActivityR;
}
case TransferListModel::TR_RATIO_LIMIT:
{
const auto ratioL = leftValue.toReal();
const auto ratioR = rightValue.toReal();
if (ratioL < 0) return false;
if (ratioR < 0) return true;
return ratioL < ratioR;
}
}
return (leftValue != rightValue)