diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem_p.h')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index fd2ff34..3feccdc 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -153,7 +153,7 @@ public: dirtyClipPath(1), emptyClipPath(0), inSetPosHelper(0), - needSortChildren(1), + needSortChildren(1), // ### can be 0 by default? allChildrenDirty(0), fullUpdatePending(0), flags(0), @@ -174,6 +174,8 @@ public: mouseSetsFocus(1), explicitActivate(0), wantsActive(0), + holesInSiblingIndex(0), + sequentialOrdering(1), globalStackingOrder(-1), q_ptr(0) { @@ -421,6 +423,8 @@ public: inline QTransform transformToParent() const; inline void ensureSortedChildren(); + static inline bool insertionOrder(QGraphicsItem *a, QGraphicsItem *b); + void ensureSequentialSiblingIndex(); QPainterPath cachedClipPath; QRectF childrenBoundingRect; @@ -493,6 +497,8 @@ public: // New 32 bits quint32 explicitActivate : 1; quint32 wantsActive : 1; + quint32 holesInSiblingIndex : 1; + quint32 sequentialOrdering : 1; // Optional stacking order int globalStackingOrder; @@ -646,14 +652,32 @@ inline QTransform QGraphicsItemPrivate::transformToParent() const return matrix; } +/*! + \internal +*/ inline void QGraphicsItemPrivate::ensureSortedChildren() { if (needSortChildren) { qSort(children.begin(), children.end(), qt_notclosestLeaf); needSortChildren = 0; + sequentialOrdering = 1; + for (int i = 0; i < children.size(); ++i) { + if (children[i]->d_ptr->siblingIndex != i) { + sequentialOrdering = 0; + break; + } + } } } +/*! + \internal +*/ +inline bool QGraphicsItemPrivate::insertionOrder(QGraphicsItem *a, QGraphicsItem *b) +{ + return a->d_ptr->siblingIndex < b->d_ptr->siblingIndex; +} + QT_END_NAMESPACE #endif // QT_NO_GRAPHICSVIEW |