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| author | Alexis Menard <alexis.menard@nokia.com> | 2010-05-10 01:43:12 (GMT) |
|---|---|---|
| committer | Alexis Menard <alexis.menard@nokia.com> | 2010-05-10 01:46:52 (GMT) |
| commit | b524e356424fe386eae56f65600077ce52ca6f92 (patch) | |
| tree | c0c2b86b3a649bdc99ad6d1b2b443a31ed952efa /src/gui/graphicsview/qgraphicswidget_p.cpp | |
| parent | 1ca5742e83b650750d45d03882e8109c61c1f392 (diff) | |
| download | Qt-b524e356424fe386eae56f65600077ce52ca6f92.zip Qt-b524e356424fe386eae56f65600077ce52ca6f92.tar.gz Qt-b524e356424fe386eae56f65600077ce52ca6f92.tar.bz2 | |
Optimize QGW constructor.
Mostly by avoiding sending useless QVariant at construction time.
itemChange is virtual, the user implementation will never be called.
Worst case the QGW one.
Reviewed-by:janarve
Diffstat (limited to 'src/gui/graphicsview/qgraphicswidget_p.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicswidget_p.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gui/graphicsview/qgraphicswidget_p.cpp b/src/gui/graphicsview/qgraphicswidget_p.cpp index 6e397b6..50b315a 100644 --- a/src/gui/graphicsview/qgraphicswidget_p.cpp +++ b/src/gui/graphicsview/qgraphicswidget_p.cpp @@ -71,14 +71,17 @@ void QGraphicsWidgetPrivate::init(QGraphicsItem *parentItem, Qt::WindowFlags wFl adjustWindowFlags(&wFlags); windowFlags = wFlags; - q->setParentItem(parentItem); + if (parentItem) + setParentItemHelper(parentItem, 0, 0); + q->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred, QSizePolicy::DefaultType)); q->setGraphicsItem(q); resolveLayoutDirection(); q->unsetWindowFrameMargins(); - q->setFlag(QGraphicsItem::ItemUsesExtendedStyleOption); - q->setFlag(QGraphicsItem::ItemSendsGeometryChanges); + flags |= QGraphicsItem::ItemUsesExtendedStyleOption | QGraphicsItem::ItemSendsGeometryChanges; + if (windowFlags & Qt::Window) + flags |= QGraphicsItem::ItemIsPanel; } qreal QGraphicsWidgetPrivate::titleBarHeight(const QStyleOptionTitleBar &options) const |