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author | Sérgio Martins <sergio.martins@kdab.com> | 2015-06-08 22:56:55 +0100 |
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committer | Sérgio Martins <sergio.martins@kdab.com> | 2015-06-11 13:36:15 +0000 |
commit | 552fba23862d2f2c88bd09202b8c1b5904830128 (patch) | |
tree | 111d169f156598868bb562d903b1aa5a2928174d /src/corelib/itemmodels/qidentityproxymodel.cpp | |
parent | 6b5029199d8eab325992e07fa7c98718c9533ca0 (diff) |
core: Add several QList::reserve() calls.
Reduces reallocations.
Change-Id: Ib63539fb690a80245d8fe81ff8468e79ffa8e57c
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib/itemmodels/qidentityproxymodel.cpp')
-rw-r--r-- | src/corelib/itemmodels/qidentityproxymodel.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/corelib/itemmodels/qidentityproxymodel.cpp b/src/corelib/itemmodels/qidentityproxymodel.cpp index f773219aeb..f46fd135ca 100644 --- a/src/corelib/itemmodels/qidentityproxymodel.cpp +++ b/src/corelib/itemmodels/qidentityproxymodel.cpp @@ -212,6 +212,7 @@ QItemSelection QIdentityProxyModel::mapSelectionFromSource(const QItemSelection& QItemSelection::const_iterator it = selection.constBegin(); const QItemSelection::const_iterator end = selection.constEnd(); + proxySelection.reserve(selection.count()); for ( ; it != end; ++it) { Q_ASSERT(it->model() == d->model); const QItemSelectionRange range(mapFromSource(it->topLeft()), mapFromSource(it->bottomRight())); @@ -234,6 +235,7 @@ QItemSelection QIdentityProxyModel::mapSelectionToSource(const QItemSelection& s QItemSelection::const_iterator it = selection.constBegin(); const QItemSelection::const_iterator end = selection.constEnd(); + sourceSelection.reserve(selection.count()); for ( ; it != end; ++it) { Q_ASSERT(it->model() == this); const QItemSelectionRange range(mapToSource(it->topLeft()), mapToSource(it->bottomRight())); @@ -269,6 +271,7 @@ QModelIndexList QIdentityProxyModel::match(const QModelIndex& start, int role, c QModelIndexList::const_iterator it = sourceList.constBegin(); const QModelIndexList::const_iterator end = sourceList.constEnd(); QModelIndexList proxyList; + proxyList.reserve(sourceList.count()); for ( ; it != end; ++it) proxyList.append(mapFromSource(*it)); return proxyList; |