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-rw-r--r--src/gui/graphicsview/qgraphicsitem_p.h56
1 files changed, 51 insertions, 5 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 2d34b80..5ad6cd5 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -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;
@@ -223,13 +227,18 @@ 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;
@@ -397,6 +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);
@@ -484,6 +495,8 @@ public:
quint32 sequentialOrdering : 1;
quint32 updateDueToGraphicsEffect : 1;
quint32 scenePosDescendants : 1;
+ quint32 pendingPolish : 1;
+ quint32 mayHaveChildWithGraphicsEffect : 1;
// Optional stacking order
int globalStackingOrder;
@@ -721,11 +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;
}
@@ -741,6 +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