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author | Simon Hausmann <simon.hausmann@nokia.com> | 2009-11-29 22:58:27 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-11-29 22:58:27 (GMT) |
commit | 1fe08312164a8eef87b3efe9b77452b86224999f (patch) | |
tree | 65d3147ae69860d9031ffaa86dcdd28f5d5fca21 /src/gui/graphicsview/qgraphicsitem.cpp | |
parent | 10b5653ad4f25c6f37d640facf4a5ef01fe25926 (diff) | |
parent | c2c31f30830a4e1e455a13321dd7bae6ac8b360f (diff) | |
download | Qt-1fe08312164a8eef87b3efe9b77452b86224999f.zip Qt-1fe08312164a8eef87b3efe9b77452b86224999f.tar.gz Qt-1fe08312164a8eef87b3efe9b77452b86224999f.tar.bz2 |
Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt into 4.6
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem.cpp')
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 207 |
1 files changed, 23 insertions, 184 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 94a37a0..bb45e7e 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -755,7 +755,6 @@ void QGraphicsItemPrivate::updateAncestorFlag(QGraphicsItem::GraphicsItemFlag ch case QGraphicsItem::ItemClipsChildrenToShape: flag = AncestorClipsChildren; enabled = flags & QGraphicsItem::ItemClipsChildrenToShape; - invalidateCachedClipPathRecursively(/*childrenOnly=*/true); break; case QGraphicsItem::ItemIgnoresTransformations: flag = AncestorIgnoresTransformations; @@ -1104,9 +1103,7 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent) parent->itemChange(QGraphicsItem::ItemChildAddedChange, thisPointerVariant); if (scene) { if (!implicitUpdate) - scene->d_func()->markDirty(q_ptr, QRect(), - /*invalidateChildren=*/false, - /*maybeDirtyClipPath=*/true); + scene->d_func()->markDirty(q_ptr); // Re-enable scene pos notifications for new ancestors if (scenePosDescendants || (flags & QGraphicsItem::ItemSendsScenePositionChanges)) @@ -1147,11 +1144,8 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent) setEnabledHelper(true, /* explicit = */ false); // If the item is being deleted, the whole scene will be updated. - if (scene) { - scene->d_func()->markDirty(q_ptr, QRect(), - /*invalidateChildren=*/false, - /*maybeDirtyClipPath=*/true); - } + if (scene) + scene->d_func()->markDirty(q_ptr); } } @@ -1732,9 +1726,6 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags) d_ptr->updateAncestorFlag(ItemClipsChildrenToShape); } - if ((flags & ItemClipsToShape) != (oldFlags & ItemClipsToShape)) - d_ptr->invalidateCachedClipPath(); - if ((flags & ItemIgnoresTransformations) != (oldFlags & ItemIgnoresTransformations)) { // Item children clipping changes. Propagate the ancestor flag to // all children. @@ -1777,9 +1768,7 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags) else d_ptr->scene->d_func()->unregisterScenePosItem(this); } - d_ptr->scene->d_func()->markDirty(this, QRectF(), - /*invalidateChildren=*/true, - /*maybeDirtyClipPath*/true); + d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/true); } // Notify change. @@ -2127,12 +2116,8 @@ void QGraphicsItemPrivate::setVisibleHelper(bool newVisible, bool explicitly, bo QGraphicsItemCache *c = (QGraphicsItemCache *)qVariantValue<void *>(extra(ExtraCacheData)); if (c) c->purge(); - if (scene) { - scene->d_func()->markDirty(q_ptr, QRectF(), - /*invalidateChildren=*/false, - /*maybeDirtyClipPath=*/false, - /*force=*/true); - } + if (scene) + scene->d_func()->markDirty(q_ptr, QRectF(), /*invalidateChildren=*/false, /*force=*/true); } // Certain properties are dropped as an item becomes invisible. @@ -2542,7 +2527,6 @@ void QGraphicsItem::setOpacity(qreal opacity) #endif //QT_NO_GRAPHICSEFFECT d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/true, - /*maybeDirtyClipPath=*/false, /*force=*/false, /*ignoreOpacity=*/true); } @@ -2590,8 +2574,11 @@ void QGraphicsItem::setGraphicsEffect(QGraphicsEffect *effect) d_ptr->graphicsEffect = 0; if (oldEffectPrivate) { oldEffectPrivate->setGraphicsEffectSource(0); // deletes the current source. - if (d_ptr->scene) // Update the views directly. - d_ptr->scene->d_func()->markDirty(this, QRectF(), false, false, false, false, true); + if (d_ptr->scene) { // Update the views directly. + d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/false, + /*force=*/false, /*ignoreOpacity=*/false, + /*removeItemFromScene=*/true); + } } } else { // Set new effect. @@ -3399,7 +3386,6 @@ void QGraphicsItemPrivate::setPosHelper(const QPointF &pos) { Q_Q(QGraphicsItem); inSetPosHelper = 1; - updateCachedClipPathFromSetPosHelper(pos); if (scene) q->prepareGeometryChange(); QPointF oldPos = this->pos; @@ -4535,22 +4521,12 @@ bool QGraphicsItem::isClipped() const QPainterPath QGraphicsItem::clipPath() const { Q_D(const QGraphicsItem); - if (!d->dirtyClipPath) - return d->emptyClipPath ? QPainterPath() : d->cachedClipPath; - - if (!isClipped()) { - d_ptr->setCachedClipPath(QPainterPath()); - return d->cachedClipPath; - } + if (!isClipped()) + return QPainterPath(); const QRectF thisBoundingRect(boundingRect()); - if (thisBoundingRect.isEmpty()) { - if (d_ptr->flags & ItemClipsChildrenToShape) - d_ptr->setEmptyCachedClipPathRecursively(); - else - d_ptr->setEmptyCachedClipPath(); + if (thisBoundingRect.isEmpty()) return QPainterPath(); - } QPainterPath clip; // Start with the item's bounding rect. @@ -4561,40 +4537,18 @@ QPainterPath QGraphicsItem::clipPath() const const QGraphicsItem *lastParent = this; // Intersect any in-between clips starting at the top and moving downwards. - bool foundValidClipPath = false; while ((parent = parent->d_ptr->parent)) { if (parent->d_ptr->flags & ItemClipsChildrenToShape) { // Map clip to the current parent and intersect with its shape/clipPath clip = lastParent->itemTransform(parent).map(clip); - if ((foundValidClipPath = !parent->d_ptr->dirtyClipPath && parent->isClipped())) { - if (parent->d_ptr->emptyClipPath) { - if (d_ptr->flags & ItemClipsChildrenToShape) - d_ptr->setEmptyCachedClipPathRecursively(); - else - d_ptr->setEmptyCachedClipPath(); - return QPainterPath(); - } - clip = clip.intersected(parent->d_ptr->cachedClipPath); - if (!(parent->d_ptr->flags & ItemClipsToShape)) - clip = clip.intersected(parent->shape()); - } else { - clip = clip.intersected(parent->shape()); - } - - if (clip.isEmpty()) { - if (d_ptr->flags & ItemClipsChildrenToShape) - d_ptr->setEmptyCachedClipPathRecursively(); - else - d_ptr->setEmptyCachedClipPath(); + clip = clip.intersected(parent->shape()); + if (clip.isEmpty()) return clip; - } lastParent = parent; } - if (!(parent->d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren) - || foundValidClipPath) { + if (!(parent->d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren)) break; - } } if (lastParent != this) { @@ -4607,7 +4561,6 @@ QPainterPath QGraphicsItem::clipPath() const if (d->flags & ItemClipsToShape) clip = clip.intersected(shape()); - d_ptr->setCachedClipPath(clip); return clip; } @@ -5026,15 +4979,14 @@ void QGraphicsItem::setBoundingRegionGranularity(qreal granularity) \internal Returns true if we can discard an update request; otherwise false. */ -bool QGraphicsItemPrivate::discardUpdateRequest(bool ignoreClipping, bool ignoreVisibleBit, - bool ignoreDirtyBit, bool ignoreOpacity) const +bool QGraphicsItemPrivate::discardUpdateRequest(bool ignoreVisibleBit, bool ignoreDirtyBit, + bool ignoreOpacity) const { // No scene, or if the scene is updating everything, means we have nothing // to do. The only exception is if the scene tracks the growing scene rect. return !scene || (!visible && !ignoreVisibleBit && !this->ignoreVisible) || (!ignoreDirtyBit && fullUpdatePending) - || (!ignoreClipping && (childrenClippedToShape() && isClippedAway())) || (!ignoreOpacity && !this->ignoreOpacity && childrenCombineOpacity() && isFullyTransparent()); } @@ -5169,109 +5121,6 @@ void QGraphicsItemPrivate::removeExtraItemCache() unsetExtra(ExtraCacheData); } -void QGraphicsItemPrivate::setEmptyCachedClipPathRecursively(const QRectF &emptyIfOutsideThisRect) -{ - setEmptyCachedClipPath(); - - const bool checkRect = !emptyIfOutsideThisRect.isNull() - && !(flags & QGraphicsItem::ItemClipsChildrenToShape); - for (int i = 0; i < children.size(); ++i) { - if (!checkRect) { - children.at(i)->d_ptr->setEmptyCachedClipPathRecursively(); - continue; - } - - QGraphicsItem *child = children.at(i); - const QRectF rect = child->mapRectFromParent(emptyIfOutsideThisRect); - if (rect.intersects(child->boundingRect())) - child->d_ptr->invalidateCachedClipPathRecursively(false, rect); - else - child->d_ptr->setEmptyCachedClipPathRecursively(rect); - } -} - -void QGraphicsItemPrivate::invalidateCachedClipPathRecursively(bool childrenOnly, const QRectF &emptyIfOutsideThisRect) -{ - if (!childrenOnly) - invalidateCachedClipPath(); - - const bool checkRect = !emptyIfOutsideThisRect.isNull(); - for (int i = 0; i < children.size(); ++i) { - if (!checkRect) { - children.at(i)->d_ptr->invalidateCachedClipPathRecursively(false); - continue; - } - - QGraphicsItem *child = children.at(i); - const QRectF rect = child->mapRectFromParent(emptyIfOutsideThisRect); - if (rect.intersects(child->boundingRect())) - child->d_ptr->invalidateCachedClipPathRecursively(false, rect); - else - child->d_ptr->setEmptyCachedClipPathRecursively(rect); - } -} - -void QGraphicsItemPrivate::updateCachedClipPathFromSetPosHelper(const QPointF &newPos) -{ - Q_ASSERT(inSetPosHelper); - - if (inDestructor || !(ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren)) - return; // Not clipped by any ancestor. - - // Find closest clip ancestor and transform. - Q_Q(QGraphicsItem); - // COMBINE - QTransform thisToParentTransform = QTransform::fromTranslate(newPos.x(), newPos.y()); - if (transformData) - thisToParentTransform = transformData->computedFullTransform(&thisToParentTransform); - QGraphicsItem *clipParent = parent; - while (clipParent && !clipParent->d_ptr->inDestructor && !(clipParent->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape)) { - thisToParentTransform *= clipParent->d_ptr->transformToParent(); - clipParent = clipParent->d_ptr->parent; - } - - // Ensure no parents are currently being deleted. This can only - // happen if the item is moved by a dying ancestor. - QGraphicsItem *p = clipParent; - while (p) { - if (p->d_ptr->inDestructor) - return; - p = p->d_ptr->parent; - } - - // From here everything is calculated in clip parent's coordinates. - const QRectF parentBoundingRect(clipParent->boundingRect()); - const QRectF thisBoundingRect(thisToParentTransform.mapRect(q->boundingRect())); - - if (!parentBoundingRect.intersects(thisBoundingRect)) { - // Item is moved outside the clip parent's bounding rect, - // i.e. it is fully clipped and the clip path is empty. - if (flags & QGraphicsItem::ItemClipsChildrenToShape) - setEmptyCachedClipPathRecursively(); - else - setEmptyCachedClipPathRecursively(thisToParentTransform.inverted().mapRect(parentBoundingRect)); - return; - } - - const QPainterPath parentClip(clipParent->isClipped() ? clipParent->clipPath() : clipParent->shape()); - if (parentClip.contains(thisBoundingRect)) - return; // Item is inside the clip parent's shape. No update required. - - const QRectF parentClipRect(parentClip.controlPointRect()); - if (!parentClipRect.intersects(thisBoundingRect)) { - // Item is moved outside the clip parent's shape, - // i.e. it is fully clipped and the clip path is empty. - if (flags & QGraphicsItem::ItemClipsChildrenToShape) - setEmptyCachedClipPathRecursively(); - else - setEmptyCachedClipPathRecursively(thisToParentTransform.inverted().mapRect(parentClipRect)); - } else { - // Item is partially inside the clip parent's shape, - // i.e. the cached clip path must be invalidated. - invalidateCachedClipPathRecursively(false, thisToParentTransform.inverted().mapRect(parentClipRect)); - } -} - // Traverses all the ancestors up to the top-level and updates the pointer to // always point to the top-most item that has a dirty scene transform. // It then backtracks to the top-most dirty item and start calculating the @@ -7288,9 +7137,7 @@ void QGraphicsItem::prepareGeometryChange() QGraphicsScenePrivate *scenePrivate = d_ptr->scene->d_func(); scenePrivate->index->prepareBoundingRectChange(this); - scenePrivate->markDirty(this, QRectF(), - /*invalidateChildren=*/true, - /*maybeDirtyClipPath=*/!d_ptr->inSetPosHelper); + scenePrivate->markDirty(this, QRectF(), /*invalidateChildren=*/true); // For compatibility reasons, we have to update the item's old geometry // if someone is connected to the changed signal or the scene has no views. @@ -7313,16 +7160,6 @@ void QGraphicsItem::prepareGeometryChange() // ### Only do this if the parent's effect applies to the entire subtree. parent->d_ptr->notifyBoundingRectChanged = 1; } - - if (d_ptr->inSetPosHelper) - return; - - if (d_ptr->flags & ItemClipsChildrenToShape - || d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren) { - d_ptr->invalidateCachedClipPathRecursively(); - } else { - d_ptr->invalidateCachedClipPath(); - } } /*! @@ -9604,9 +9441,11 @@ void QGraphicsTextItem::setDefaultTextColor(const QColor &col) { QTextControl *c = dd->textControl(); QPalette pal = c->palette(); + QColor old = pal.color(QPalette::Text); pal.setColor(QPalette::Text, col); c->setPalette(pal); - update(); + if (old != col) + update(); } /*! |