diff options
Diffstat (limited to 'src/gui')
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 43 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 16 | ||||
-rw-r--r-- | src/gui/kernel/qwidget_mac.mm | 3 |
3 files changed, 32 insertions, 30 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 2600d06..b404692 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -1272,37 +1272,40 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q Returns the bounding rect of this item's children (excluding itself). */ -void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rect, bool doClip) +void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rect, QGraphicsItem *topMostEffectItem) { Q_Q(QGraphicsItem); QRectF childrenRect; QRectF *result = rect; rect = &childrenRect; + const bool setTopMostEffectItem = !topMostEffectItem; for (int i = 0; i < children.size(); ++i) { QGraphicsItem *child = children.at(i); QGraphicsItemPrivate *childd = child->d_ptr.data(); + if (setTopMostEffectItem) + topMostEffectItem = child; bool hasPos = !childd->pos.isNull(); if (hasPos || childd->transformData) { // COMBINE QTransform matrix = childd->transformToParent(); if (x) matrix *= *x; - *rect |= matrix.mapRect(child->d_ptr->effectiveBoundingRect()); + *rect |= matrix.mapRect(child->d_ptr->effectiveBoundingRect(topMostEffectItem)); if (!childd->children.isEmpty()) - childd->childrenBoundingRectHelper(&matrix, rect); + childd->childrenBoundingRectHelper(&matrix, rect, topMostEffectItem); } else { if (x) - *rect |= x->mapRect(child->d_ptr->effectiveBoundingRect()); + *rect |= x->mapRect(child->d_ptr->effectiveBoundingRect(topMostEffectItem)); else - *rect |= child->d_ptr->effectiveBoundingRect(); + *rect |= child->d_ptr->effectiveBoundingRect(topMostEffectItem); if (!childd->children.isEmpty()) - childd->childrenBoundingRectHelper(x, rect); + childd->childrenBoundingRectHelper(x, rect, topMostEffectItem); } } - if (doClip && (flags & QGraphicsItem::ItemClipsChildrenToShape)){ + if (flags & QGraphicsItem::ItemClipsChildrenToShape){ if (x) *rect &= x->mapRect(q->boundingRect()); else @@ -1870,6 +1873,10 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags) // Item children clipping changes. Propagate the ancestor flag to // all children. d_ptr->updateAncestorFlag(ItemClipsChildrenToShape); + // The childrenBoundingRect is clipped to the boundingRect in case of ItemClipsChildrenToShape, + // which means we have to invalidate the cached childrenBoundingRect whenever this flag changes. + d_ptr->dirtyChildrenBoundingRect = 1; + d_ptr->markParentDirty(true); } if ((flags & ItemIgnoresTransformations) != (oldFlags & ItemIgnoresTransformations)) { @@ -2800,6 +2807,8 @@ QRectF QGraphicsItemPrivate::effectiveBoundingRect(const QRectF &rect) const Q_Q(const QGraphicsItem); QGraphicsEffect *effect = graphicsEffect; if (scene && effect && effect->isEnabled()) { + if (scene->d_func()->views.isEmpty()) + return effect->boundingRectFor(rect); QRectF sceneRect = q->mapRectToScene(rect); QRectF sceneEffectRect; foreach (QGraphicsView *view, scene->views()) { @@ -2823,12 +2832,12 @@ QRectF QGraphicsItemPrivate::effectiveBoundingRect(const QRectF &rect) const \sa boundingRect() */ -QRectF QGraphicsItemPrivate::effectiveBoundingRect() const +QRectF QGraphicsItemPrivate::effectiveBoundingRect(QGraphicsItem *topMostEffectItem) const { #ifndef QT_NO_GRAPHICSEFFECT Q_Q(const QGraphicsItem); QRectF brect = effectiveBoundingRect(q_ptr->boundingRect()); - if (ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren) + if (ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren || topMostEffectItem == q) return brect; const QGraphicsItem *effectParent = parent; @@ -2839,8 +2848,10 @@ QRectF QGraphicsItemPrivate::effectiveBoundingRect() const const QRectF effectRectInParentSpace = effectParent->d_ptr->effectiveBoundingRect(brectInParentSpace); brect = effectParent->mapRectToItem(q, effectRectInParentSpace); } - if (effectParent->d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren) + if (effectParent->d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren + || topMostEffectItem == effectParent) { return brect; + } effectParent = effectParent->d_ptr->parent; } @@ -4715,7 +4726,7 @@ QRectF QGraphicsItem::childrenBoundingRect() const return d_ptr->childrenBoundingRect; d_ptr->childrenBoundingRect = QRectF(); - d_ptr->childrenBoundingRectHelper(0, &d_ptr->childrenBoundingRect); + d_ptr->childrenBoundingRectHelper(0, &d_ptr->childrenBoundingRect, 0); d_ptr->dirtyChildrenBoundingRect = 0; return d_ptr->childrenBoundingRect; } @@ -11168,14 +11179,8 @@ QRectF QGraphicsItemEffectSourcePrivate::boundingRect(Qt::CoordinateSystem syste } QRectF rect = item->boundingRect(); - if (!item->d_ptr->children.isEmpty()) { - if (dirtyChildrenBoundingRect) { - childrenBoundingRect = QRectF(); - item->d_ptr->childrenBoundingRectHelper(0, &childrenBoundingRect, true); - dirtyChildrenBoundingRect = false; - } - rect |= childrenBoundingRect; - } + if (!item->d_ptr->children.isEmpty()) + rect |= item->childrenBoundingRect(); if (deviceCoordinates) { Q_ASSERT(info->painter); diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index cce9439..77e4054 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -300,10 +300,10 @@ public: QDeclarativeListProperty<QGraphicsObject> childrenList(); void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant, const QVariant *thisPointerVariant); - void childrenBoundingRectHelper(QTransform *x, QRectF *rect, bool doClip = true); + void childrenBoundingRectHelper(QTransform *x, QRectF *rect, QGraphicsItem *topMostEffectItem); void initStyleOption(QStyleOptionGraphicsItem *option, const QTransform &worldTransform, const QRegion &exposedRegion, bool allItems = false) const; - QRectF effectiveBoundingRect() const; + QRectF effectiveBoundingRect(QGraphicsItem *topMostEffectItem = 0) const; QRectF sceneEffectiveBoundingRect() const; QRectF effectiveBoundingRect(const QRectF &rect) const; @@ -661,7 +661,7 @@ class QGraphicsItemEffectSourcePrivate : public QGraphicsEffectSourcePrivate { public: QGraphicsItemEffectSourcePrivate(QGraphicsItem *i) - : QGraphicsEffectSourcePrivate(), dirtyChildrenBoundingRect(true), item(i), info(0) + : QGraphicsEffectSourcePrivate(), item(i), info(0) {} inline void detach() @@ -712,9 +712,6 @@ public: QGraphicsEffect::PixmapPadMode mode) const; QRect paddedEffectRect(Qt::CoordinateSystem system, QGraphicsEffect::PixmapPadMode mode, const QRectF &sourceRect, bool *unpadded = 0) const; - mutable bool dirtyChildrenBoundingRect; - mutable QRectF childrenBoundingRect; - QGraphicsItem *item; QGraphicsItemPaintInfo *info; QTransform lastEffectTransform; @@ -872,12 +869,9 @@ inline void QGraphicsItemPrivate::markParentDirty(bool updateBoundingRect) #ifndef QT_NO_GRAPHICSEFFECT if (parentp->graphicsEffect) { if (updateBoundingRect) { - QGraphicsItemEffectSourcePrivate *sourcep = - static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func() - ->source->d_func()); - parentp->dirtyChildrenBoundingRect = 1; + static_cast<QGraphicsItemEffectSourcePrivate *>(parentp->graphicsEffect->d_func() + ->source->d_func())->invalidateCache(); parentp->notifyInvalidated = 1; - sourcep->invalidateCache(); } if (parentp->scene && parentp->graphicsEffect->isEnabled()) { parentp->dirty = 1; diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm index 159c45d..1e2aa9f 100644 --- a/src/gui/kernel/qwidget_mac.mm +++ b/src/gui/kernel/qwidget_mac.mm @@ -114,6 +114,9 @@ QT_BEGIN_NAMESPACE +// qmainwindow.cpp +extern QMainWindowLayout *qt_mainwindow_layout(const QMainWindow *window); + #define XCOORD_MAX 16383 #define WRECT_MAX 8191 |