diff options
author | Liang Qi <liang.qi@qt.io> | 2016-11-23 10:49:37 +0100 |
---|---|---|
committer | Liang Qi <liang.qi@qt.io> | 2016-11-23 10:49:37 +0100 |
commit | 5d4cbf4094c9b290626aab89e4bd92edd29ce49f (patch) | |
tree | eac893652c724f057fba493688b16e212fd844dd /src/quick/items/qquickitem.cpp | |
parent | 13cf5f02ce788f19a73e5d5c3da76e57291761a5 (diff) | |
parent | 07cde200e55ee03bf9e2f9af89c20f91072deccc (diff) |
Merge remote-tracking branch 'origin/5.8' into dev
Conflicts:
src/qml/jsruntime/qv4object_p.h
Change-Id: Iff4d3aba7710a999b8befdc493cbe959e1ce02f9
Diffstat (limited to 'src/quick/items/qquickitem.cpp')
-rw-r--r-- | src/quick/items/qquickitem.cpp | 168 |
1 files changed, 94 insertions, 74 deletions
diff --git a/src/quick/items/qquickitem.cpp b/src/quick/items/qquickitem.cpp index a05bb1617e..274bfbf6d4 100644 --- a/src/quick/items/qquickitem.cpp +++ b/src/quick/items/qquickitem.cpp @@ -2308,29 +2308,31 @@ QQuickItem::~QQuickItem() while (!d->childItems.isEmpty()) d->childItems.constFirst()->setParentItem(0); - const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); - if (anchor) - anchor->clearItem(this); - } + if (!d->changeListeners.isEmpty()) { + const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); + if (anchor) + anchor->clearItem(this); + } - /* + /* update item anchors that depended on us unless they are our child (and will also be destroyed), or our sibling, and our parent is also being destroyed. */ - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); - if (anchor && anchor->item && anchor->item->parentItem() && anchor->item->parentItem() != this) - anchor->update(); - } + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); + if (anchor && anchor->item && anchor->item->parentItem() && anchor->item->parentItem() != this) + anchor->update(); + } - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Destroyed) - change.listener->itemDestroyed(this); - } + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Destroyed) + change.listener->itemDestroyed(this); + } - d->changeListeners.clear(); + d->changeListeners.clear(); + } /* Remove any references our transforms have to us, in case they try to @@ -2601,7 +2603,7 @@ void QQuickItem::setParentItem(QQuickItem *parentItem) if (parentItem) { QQuickItem *itemAncestor = parentItem; while (itemAncestor != 0) { - if (itemAncestor == this) { + if (Q_UNLIKELY(itemAncestor == this)) { qWarning() << "QQuickItem::setParentItem: Parent" << parentItem << "is already part of the subtree of" << this; return; } @@ -3549,10 +3551,12 @@ QQuickAnchors *QQuickItemPrivate::anchors() const void QQuickItemPrivate::siblingOrderChanged() { Q_Q(QQuickItem); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::SiblingOrder) { - change.listener->itemSiblingOrderChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::SiblingOrder) { + change.listener->itemSiblingOrderChanged(q); + } } } } @@ -3654,20 +3658,18 @@ void QQuickItem::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeo QQuickAnchorsPrivate::get(d->_anchors)->updateMe(); QQuickGeometryChange change; - QRectF diff(newGeometry.x() - oldGeometry.x(), - newGeometry.y() - oldGeometry.y(), - newGeometry.width() - oldGeometry.width(), - newGeometry.height() - oldGeometry.height()); - change.setXChange(diff.x() != 0); - change.setYChange(diff.y() != 0); - change.setWidthChange(diff.width() != 0); - change.setHeightChange(diff.height() != 0); - - const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &listener : listeners) { - if (listener.types & QQuickItemPrivate::Geometry) { - if (change.matches(listener.gTypes)) - listener.listener->itemGeometryChanged(this, change, diff); + change.setXChange(newGeometry.x() != oldGeometry.x()); + change.setYChange(newGeometry.y() != oldGeometry.y()); + change.setWidthChange(newGeometry.width() != oldGeometry.width()); + change.setHeightChange(newGeometry.height() != oldGeometry.height()); + + if (!d->changeListeners.isEmpty()) { + const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &listener : listeners) { + if (listener.types & QQuickItemPrivate::Geometry) { + if (change.matches(listener.gTypes)) + listener.listener->itemGeometryChanged(this, change, oldGeometry); + } } } @@ -4224,12 +4226,14 @@ void QQuickItem::setBaselineOffset(qreal offset) d->baselineOffset = offset; - const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Geometry) { - QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); - if (anchor) - anchor->updateVerticalAnchors(); + if (!d->changeListeners.isEmpty()) { + const auto listeners = d->changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Geometry) { + QQuickAnchorsPrivate *anchor = change.listener->anchorPrivate(); + if (anchor) + anchor->updateVerticalAnchors(); + } } } @@ -5977,20 +5981,24 @@ void QQuickItemPrivate::itemChange(QQuickItem::ItemChange change, const QQuickIt switch (change) { case QQuickItem::ItemChildAddedChange: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Children) { - change.listener->itemChildAdded(q, data.item); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Children) { + change.listener->itemChildAdded(q, data.item); + } } } break; } case QQuickItem::ItemChildRemovedChange: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Children) { - change.listener->itemChildRemoved(q, data.item); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Children) { + change.listener->itemChildRemoved(q, data.item); + } } } break; @@ -6000,30 +6008,36 @@ void QQuickItemPrivate::itemChange(QQuickItem::ItemChange change, const QQuickIt break; case QQuickItem::ItemVisibleHasChanged: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Visibility) { - change.listener->itemVisibilityChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Visibility) { + change.listener->itemVisibilityChanged(q); + } } } break; } case QQuickItem::ItemParentHasChanged: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Parent) { - change.listener->itemParentChanged(q, data.item); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Parent) { + change.listener->itemParentChanged(q, data.item); + } } } break; } case QQuickItem::ItemOpacityHasChanged: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Opacity) { - change.listener->itemOpacityChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Opacity) { + change.listener->itemOpacityChanged(q); + } } } break; @@ -6033,10 +6047,12 @@ void QQuickItemPrivate::itemChange(QQuickItem::ItemChange change, const QQuickIt break; case QQuickItem::ItemRotationHasChanged: { q->itemChange(change, data); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::Rotation) { - change.listener->itemRotationChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::Rotation) { + change.listener->itemRotationChanged(q); + } } } break; @@ -6395,10 +6411,12 @@ void QQuickItem::resetWidth() void QQuickItemPrivate::implicitWidthChanged() { Q_Q(QQuickItem); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::ImplicitWidth) { - change.listener->itemImplicitWidthChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::ImplicitWidth) { + change.listener->itemImplicitWidthChanged(q); + } } } emit q->implicitWidthChanged(); @@ -6559,10 +6577,12 @@ void QQuickItem::resetHeight() void QQuickItemPrivate::implicitHeightChanged() { Q_Q(QQuickItem); - const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) - for (const QQuickItemPrivate::ChangeListener &change : listeners) { - if (change.types & QQuickItemPrivate::ImplicitHeight) { - change.listener->itemImplicitHeightChanged(q); + if (!changeListeners.isEmpty()) { + const auto listeners = changeListeners; // NOTE: intentional copy (QTBUG-54732) + for (const QQuickItemPrivate::ChangeListener &change : listeners) { + if (change.types & QQuickItemPrivate::ImplicitHeight) { + change.listener->itemImplicitHeightChanged(q); + } } } emit q->implicitHeightChanged(); |