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author | Sérgio Martins <sergio.martins@kdab.com> | 2015-06-22 22:12:27 +0100 |
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committer | Sérgio Martins <sergio.martins@kdab.com> | 2015-06-23 15:35:59 +0000 |
commit | fece7cdb5daed826ab074b3210327dcfd7ab0e90 (patch) | |
tree | 05b99df28e5fb65a81397a9464ad977027559322 /src/widgets/widgets/qabstractscrollarea.cpp | |
parent | a4d3af961445995337c279e71c861afc213c06f3 (diff) | |
download | qtbase-fece7cdb5daed826ab074b3210327dcfd7ab0e90.tar.gz |
widgets: Use QList::reserve(), reduces reallocations.
Change-Id: I49cc03f365c77f142f62c8e77505ec09723a44d9
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/widgets/widgets/qabstractscrollarea.cpp')
-rw-r--r-- | src/widgets/widgets/qabstractscrollarea.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/widgets/widgets/qabstractscrollarea.cpp b/src/widgets/widgets/qabstractscrollarea.cpp index 5e45c66f3b..65d06eafc5 100644 --- a/src/widgets/widgets/qabstractscrollarea.cpp +++ b/src/widgets/widgets/qabstractscrollarea.cpp @@ -210,10 +210,12 @@ QWidgetList QAbstractScrollAreaScrollBarContainer::widgets(LogicalPosition posit QWidgetList list; const int scrollBarIndex = scrollBarLayoutIndex(); if (position == LogicalLeft) { + list.reserve(scrollBarIndex); for (int i = 0; i < scrollBarIndex; ++i) list.append(layout->itemAt(i)->widget()); } else if (position == LogicalRight) { const int layoutItemCount = layout->count(); + list.reserve(layoutItemCount - (scrollBarIndex + 1)); for (int i = scrollBarIndex + 1; i < layoutItemCount; ++i) list.append(layout->itemAt(i)->widget()); } |