diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem_p.h')
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index d6ffb1a..5ad6cd5 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -153,7 +153,7 @@ public: dirtyChildren(0), localCollisionHack(0), inSetPosHelper(0), - needSortChildren(1), // ### can be 0 by default? + needSortChildren(0), allChildrenDirty(0), fullUpdatePending(0), flags(0), @@ -178,6 +178,8 @@ public: sequentialOrdering(1), updateDueToGraphicsEffect(0), scenePosDescendants(0), + pendingPolish(0), + mayHaveChildWithGraphicsEffect(0), globalStackingOrder(-1), q_ptr(0) { @@ -195,8 +197,10 @@ public: return item->d_ptr.data(); } + void updateChildWithGraphicsEffectFlagRecursively(); void updateAncestorFlag(QGraphicsItem::GraphicsItemFlag childFlag, AncestorFlag flag = NoFlag, bool enabled = false, bool root = true); + void updateAncestorFlags(); void setIsMemberOfGroup(bool enabled); void remapItemPos(QEvent *event, QGraphicsItem *item); QPointF genericMapFromScene(const QPointF &pos, const QWidget *viewport) const; @@ -223,19 +227,26 @@ public: bool ignoreDirtyBit = false, bool ignoreOpacity = false) const; int depth() const; #ifndef QT_NO_GRAPHICSEFFECT - void invalidateGraphicsEffectsRecursively(); + enum InvalidateReason { + OpacityChanged + }; + void invalidateParentGraphicsEffectsRecursively(); + void invalidateChildGraphicsEffectsRecursively(InvalidateReason reason); #endif //QT_NO_GRAPHICSEFFECT void invalidateDepthRecursively(); void resolveDepth(); void addChild(QGraphicsItem *child); void removeChild(QGraphicsItem *child); - void setParentItemHelper(QGraphicsItem *parent); + void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant, + const QVariant *thisPointerVariant); void childrenBoundingRectHelper(QTransform *x, QRectF *rect); void initStyleOption(QStyleOptionGraphicsItem *option, const QTransform &worldTransform, const QRegion &exposedRegion, bool allItems = false) const; QRectF effectiveBoundingRect() const; QRectF sceneEffectiveBoundingRect() const; + QRectF effectiveBoundingRect(const QRectF &rect) const; + virtual void resolveFont(uint inheritedMask) { for (int i = 0; i < children.size(); ++i) @@ -395,6 +406,8 @@ public: return !visible || (childrenCombineOpacity() && isFullyTransparent()); } + inline void markParentDirty(bool updateBoundingRect = false); + void setFocusHelper(Qt::FocusReason focusReason, bool climb); void setSubFocus(QGraphicsItem *rootItem = 0); void clearSubFocus(QGraphicsItem *rootItem = 0); @@ -482,6 +495,8 @@ public: quint32 sequentialOrdering : 1; quint32 updateDueToGraphicsEffect : 1; quint32 scenePosDescendants : 1; + quint32 pendingPolish : 1; + quint32 mayHaveChildWithGraphicsEffect : 1; // Optional stacking order int globalStackingOrder; @@ -562,7 +577,10 @@ public: {} inline void detach() - { item->setGraphicsEffect(0); } + { + item->d_ptr->graphicsEffect = 0; + item->prepareGeometryChange(); + } inline const QGraphicsItem *graphicsItem() const { return item; } @@ -604,6 +622,7 @@ public: QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset, QGraphicsEffect::PixmapPadMode mode) const; + QRect paddedEffectRect(Qt::CoordinateSystem system, QGraphicsEffect::PixmapPadMode mode, const QRectF &sourceRect, bool *unpadded = 0) const; QGraphicsItem *item; QGraphicsItemPaintInfo *info; @@ -715,11 +734,13 @@ inline QTransform QGraphicsItemPrivate::transformToParent() const inline void QGraphicsItemPrivate::ensureSortedChildren() { if (needSortChildren) { - qSort(children.begin(), children.end(), qt_notclosestLeaf); needSortChildren = 0; sequentialOrdering = 1; + if (children.isEmpty()) + return; + qSort(children.begin(), children.end(), qt_notclosestLeaf); for (int i = 0; i < children.size(); ++i) { - if (children[i]->d_ptr->siblingIndex != i) { + if (children.at(i)->d_ptr->siblingIndex != i) { sequentialOrdering = 0; break; } @@ -735,6 +756,37 @@ inline bool QGraphicsItemPrivate::insertionOrder(QGraphicsItem *a, QGraphicsItem return a->d_ptr->siblingIndex < b->d_ptr->siblingIndex; } +/*! + \internal +*/ +inline void QGraphicsItemPrivate::markParentDirty(bool updateBoundingRect) +{ + QGraphicsItemPrivate *parentp = this; + while (parentp->parent) { + parentp = parentp->parent->d_ptr.data(); + parentp->dirtyChildren = 1; + + if (updateBoundingRect) { + parentp->dirtyChildrenBoundingRect = 1; + // ### Only do this if the parent's effect applies to the entire subtree. + parentp->notifyBoundingRectChanged = 1; + } +#ifndef QT_NO_GRAPHICSEFFECT + if (parentp->graphicsEffect) { + if (updateBoundingRect) { + parentp->notifyInvalidated = 1; + static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func() + ->source->d_func())->invalidateCache(); + } + if (parentp->graphicsEffect->isEnabled()) { + parentp->dirty = 1; + parentp->fullUpdatePending = 1; + } + } +#endif + } +} + QT_END_NAMESPACE #endif // QT_NO_GRAPHICSVIEW |