diff options
Diffstat (limited to 'src/gui/graphicsview')
-rw-r--r-- | src/gui/graphicsview/qgraphicsgridlayout.cpp | 12 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 685 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem.h | 37 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 93 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsitemanimation.cpp | 2 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicslayoutitem.cpp | 2 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicslinearlayout.cpp | 4 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsproxywidget.cpp | 13 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 627 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene.h | 3 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene_p.h | 64 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsview.cpp | 195 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsview_p.h | 46 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicswidget.cpp | 57 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicswidget.h | 14 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicswidget_p.cpp | 65 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicswidget_p.h | 10 | ||||
-rw-r--r-- | src/gui/graphicsview/qgridlayoutengine_p.h | 4 |
18 files changed, 1383 insertions, 550 deletions
diff --git a/src/gui/graphicsview/qgraphicsgridlayout.cpp b/src/gui/graphicsview/qgraphicsgridlayout.cpp index 6ca799d..83db3ec 100644 --- a/src/gui/graphicsview/qgraphicsgridlayout.cpp +++ b/src/gui/graphicsview/qgraphicsgridlayout.cpp @@ -572,6 +572,18 @@ void QGraphicsGridLayout::removeAt(int index) if (QGraphicsLayoutItem *layoutItem = gridItem->layoutItem()) layoutItem->setParentLayoutItem(0); d->engine.removeItem(gridItem); + + // recalculate rowInfo.count if we remove an item that is on the right/bottommost row + for (int j = 0; j < NOrientations; ++j) { + // 0: Hor, 1: Ver + const Qt::Orientation orient = (j == 0 ? Qt::Horizontal : Qt::Vertical); + const int oldCount = d->engine.rowCount(orient); + if (gridItem->lastRow(orient) == oldCount - 1) { + const int newCount = d->engine.effectiveLastRow(orient) + 1; + d->engine.removeRows(newCount, oldCount - newCount, orient); + } + } + delete gridItem; invalidate(); } diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 88e9952..abe4e25 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -50,7 +50,7 @@ It provides a light-weight foundation for writing your own custom items. This includes defining the item's geometry, collision detection, its painting implementation and item interaction through its event handlers. - QGraphicsItem is part of \l{The Graphics View Framework} + QGraphicsItem is part of the \l{Graphics View Framework} \image graphicsview-items.png @@ -264,7 +264,7 @@ functionality is completely untouched by Qt itself; it is provided for the user's convenience. - \sa QGraphicsScene, QGraphicsView, {The Graphics View Framework} + \sa QGraphicsScene, QGraphicsView, {Graphics View Framework} */ /*! @@ -381,7 +381,9 @@ \value ItemSendsGeometryChanges The item enables itemChange() notifications for ItemPositionChange, ItemPositionHasChanged, - ItemMatrixChange, ItemTransformChange, and ItemTransformHasChanged. For + ItemMatrixChange, ItemTransformChange, ItemTransformHasChanged, + ItemRotationChange, ItemRotationHasChanged, ItemScaleChange, ItemScaleHasChanged, + ItemTransformOriginPointChange, and ItemTransformOriginPointHasChanged. For performance reasons, these notifications are disabled by default. You must enable this flag to receive notifications for position and transform changes. This flag was introduced in Qt 4.6. @@ -409,6 +411,11 @@ these notifications are disabled by default. You must enable this flag to receive notifications for scene position changes. This flag was introduced in Qt 4.6. + + \omitvalue ItemStopsClickFocusPropagation \omit The item stops propagating + click focus to items underneath when being clicked on. This flag + allows you create a non-focusable item that can be clicked on without + changing the focus. \endomit */ /*! @@ -475,6 +482,52 @@ (same as transform()), and QGraphicsItem ignores the return value for this notification (i.e., a read-only notification). + \value ItemRotationChange The item's rotation property changes. This + notification is sent if the ItemSendsGeometryChanges flag is enabled, and + when the item's rotation property changes (i.e., as a result of calling + setRotation()). The value argument is the new rotation (i.e., a double); + to get the old rotation, call rotation(). Do not call setRotation() in + itemChange() as this notification is delivered; instead, you can return + the new rotation from itemChange(). + + \value ItemRotationHasChanged The item's rotation property has changed. + This notification is sent if the ItemSendsGeometryChanges flag is enabled, + and after the item's rotation property has changed. The value argument is + the new rotation (i.e., a double), and QGraphicsItem ignores the return + value for this notification (i.e., a read-only notification). Do not call + setRotation() in itemChange() as this notification is delivered. + + \value ItemScaleChange The item's scale property changes. This notification + is sent if the ItemSendsGeometryChanges flag is enabled, and when the item's + scale property changes (i.e., as a result of calling setScale()). The value + argument is the new scale (i.e., a double); to get the old scale, call + scale(). Do not call setScale() in itemChange() as this notification is + delivered; instead, you can return the new scale from itemChange(). + + \value ItemScaleHasChanged The item's scale property has changed. This + notification is sent if the ItemSendsGeometryChanges flag is enabled, and + after the item's scale property has changed. The value argument is the new + scale (i.e., a double), and QGraphicsItem ignores the return value for this + notification (i.e., a read-only notification). Do not call setScale() in + itemChange() as this notification is delivered. + + \value ItemTransformOriginPointChange The item's transform origin point + property changes. This notification is sent if the ItemSendsGeometryChanges + flag is enabled, and when the item's transform origin point property changes + (i.e., as a result of calling setTransformOriginPoint()). The value argument + is the new origin point (i.e., a QPointF); to get the old origin point, call + transformOriginPoint(). Do not call setTransformOriginPoint() in itemChange() + as this notification is delivered; instead, you can return the new transform + origin point from itemChange(). + + \value ItemTransformOriginPointHasChanged The item's transform origin point + property has changed. This notification is sent if the ItemSendsGeometryChanges + flag is enabled, and after the item's transform origin point property has + changed. The value argument is the new origin point (i.e., a QPointF), and + QGraphicsItem ignores the return value for this notification (i.e., a read-only + notification). Do not call setTransformOriginPoint() in itemChange() as this + notification is delivered. + \value ItemSelectedChange The item's selected state changes. If the item is presently selected, it will become unselected, and vice verca. The value argument is the new selected state (i.e., true or false). Do not call @@ -673,6 +726,7 @@ #include <QtCore/qtimer.h> #include <QtCore/qvariant.h> #include <QtCore/qvarlengtharray.h> +#include <QtCore/qnumeric.h> #include <QtGui/qapplication.h> #include <QtGui/qbitmap.h> #include <QtGui/qpainter.h> @@ -682,6 +736,9 @@ #include <QtGui/qevent.h> #include <QtGui/qinputcontext.h> #include <QtGui/qgraphicseffect.h> +#ifndef QT_NO_ACCESSIBILITY +# include "qaccessible.h" +#endif #include <private/qgraphicsitem_p.h> #include <private/qgraphicswidget_p.h> @@ -689,6 +746,7 @@ #include <private/qtextdocumentlayout_p.h> #include <private/qtextengine_p.h> #include <private/qwidget_p.h> +#include <private/qapplication_p.h> #ifdef Q_WS_X11 #include <private/qt_x11_p.h> @@ -1037,6 +1095,10 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q if (newParent == parent) return; + if (isWidget) + static_cast<QGraphicsWidgetPrivate *>(this)->fixFocusChainBeforeReparenting((newParent && + newParent->isWidget()) ? static_cast<QGraphicsWidget *>(newParent) : 0, + scene); if (scene) { // Deliver the change to the index if (scene->d_func()->indexMethod != QGraphicsScene::NoIndex) @@ -1184,6 +1246,8 @@ void QGraphicsItemPrivate::setParentItemHelper(QGraphicsItem *newParent, const Q } dirtySceneTransform = 1; + if (!inDestructor && (transformData || (newParent && newParent->d_ptr->transformData))) + transformChanged(); // Restore the sub focus chain. if (subFocusItem) { @@ -1222,14 +1286,14 @@ void QGraphicsItemPrivate::childrenBoundingRectHelper(QTransform *x, QRectF *rec QTransform matrix = childd->transformToParent(); if (x) matrix *= *x; - *rect |= matrix.mapRect(child->boundingRect()); + *rect |= matrix.mapRect(child->d_ptr->effectiveBoundingRect()); if (!childd->children.isEmpty()) childd->childrenBoundingRectHelper(&matrix, rect); } else { if (x) - *rect |= x->mapRect(child->boundingRect()); + *rect |= x->mapRect(child->d_ptr->effectiveBoundingRect()); else - *rect |= child->boundingRect(); + *rect |= child->d_ptr->effectiveBoundingRect(); if (!childd->children.isEmpty()) childd->childrenBoundingRectHelper(x, rect); } @@ -1370,11 +1434,28 @@ QGraphicsItem::QGraphicsItem(QGraphicsItemPrivate &dd, QGraphicsItem *parent, */ QGraphicsItem::~QGraphicsItem() { - if (d_ptr->isObject) - QObjectPrivate::get(static_cast<QGraphicsObject *>(this))->wasDeleted = true; + if (d_ptr->isObject) { + QGraphicsObject *o = static_cast<QGraphicsObject *>(this); + QObjectPrivate *p = QObjectPrivate::get(o); + p->wasDeleted = true; + if (p->declarativeData) { + QAbstractDeclarativeData::destroyed(p->declarativeData, o); + p->declarativeData = 0; + } + } + d_ptr->inDestructor = 1; d_ptr->removeExtraItemCache(); +#ifndef QT_NO_GESTURES + if (d_ptr->isObject && !d_ptr->gestureContext.isEmpty()) { + QGraphicsObject *o = static_cast<QGraphicsObject *>(this); + QGestureManager *manager = QGestureManager::instance(); + foreach (Qt::GestureType type, d_ptr->gestureContext.keys()) + manager->cleanupCachedGestures(o, type); + } +#endif + clearFocus(); // Update focus scope item ptr. @@ -1748,9 +1829,6 @@ static void _q_qgraphicsItemSetFlag(QGraphicsItem *item, QGraphicsItem::Graphics */ void QGraphicsItem::setFlags(GraphicsItemFlags flags) { - if (isWindow()) - flags |= ItemIsPanel; - // Notify change and check for adjustment. if (quint32(d_ptr->flags) == quint32(flags)) return; @@ -1764,7 +1842,7 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags) const quint32 geomChangeFlagsMask = (ItemClipsChildrenToShape | ItemClipsToShape | ItemIgnoresTransformations | ItemIsSelectable); bool fullUpdate = (quint32(flags) & geomChangeFlagsMask) != (d_ptr->flags & geomChangeFlagsMask); if (fullUpdate) - d_ptr->paintedViewBoundingRectsNeedRepaint = 1; + d_ptr->updatePaintedViewBoundingRects(/*children=*/true); // Keep the old flags to compare the diff. GraphicsItemFlags oldFlags = GraphicsItemFlags(d_ptr->flags); @@ -3194,6 +3272,8 @@ void QGraphicsItemPrivate::setFocusHelper(Qt::FocusReason focusReason, bool clim } // Update the child focus chain. + if (scene && scene->focusItem()) + scene->focusItem()->d_ptr->clearSubFocus(); f->d_ptr->setSubFocus(); // Update the scene's focus item. @@ -3219,7 +3299,8 @@ void QGraphicsItemPrivate::setFocusHelper(Qt::FocusReason focusReason, bool clim */ void QGraphicsItem::clearFocus() { - d_ptr->clearFocusHelper(/* giveFocusToParent = */ true); + if (hasFocus()) + d_ptr->clearFocusHelper(/* giveFocusToParent = */ true); } /*! @@ -3499,7 +3580,10 @@ void QGraphicsItem::setX(qreal x) if (d_ptr->inDestructor) return; - d_ptr->setPosHelper(QPointF(x, d_ptr->pos.y())); + if (qIsNaN(x)) + return; + + setPos(QPointF(x, d_ptr->pos.y())); } /*! @@ -3523,7 +3607,10 @@ void QGraphicsItem::setY(qreal y) if (d_ptr->inDestructor) return; - d_ptr->setPosHelper(QPointF(d_ptr->pos.x(), y)); + if (qIsNaN(y)) + return; + + setPos(QPointF(d_ptr->pos.x(), y)); } /*! @@ -3570,6 +3657,7 @@ void QGraphicsItemPrivate::setTransformHelper(const QTransform &transform) q_ptr->prepareGeometryChange(); transformData->transform = transform; dirtySceneTransform = 1; + transformChanged(); } /*! @@ -3591,7 +3679,7 @@ void QGraphicsItem::setPos(const QPointF &pos) return; // Update and repositition. - if (!(d_ptr->flags & ItemSendsGeometryChanges)) { + if (!(d_ptr->flags & (ItemSendsGeometryChanges | ItemSendsScenePositionChanges))) { d_ptr->setPosHelper(pos); if (d_ptr->isWidget) static_cast<QGraphicsWidget *>(this)->d_func()->setGeometryFromSetPos(); @@ -3738,14 +3826,32 @@ qreal QGraphicsItem::rotation() const void QGraphicsItem::setRotation(qreal angle) { prepareGeometryChange(); + qreal newRotation = angle; + + if (d_ptr->flags & ItemSendsGeometryChanges) { + // Notify the item that the rotation is changing. + const QVariant newRotationVariant(itemChange(ItemRotationChange, angle)); + newRotation = newRotationVariant.toReal(); + } + if (!d_ptr->transformData) d_ptr->transformData = new QGraphicsItemPrivate::TransformData; - d_ptr->transformData->rotation = angle; + + if (d_ptr->transformData->rotation == newRotation) + return; + + d_ptr->transformData->rotation = newRotation; d_ptr->transformData->onlyTransform = false; d_ptr->dirtySceneTransform = 1; + // Send post-notification. + if (d_ptr->flags & ItemSendsGeometryChanges) + itemChange(ItemRotationHasChanged, newRotation); + if (d_ptr->isObject) emit static_cast<QGraphicsObject *>(this)->rotationChanged(); + + d_ptr->transformChanged(); } /*! @@ -3781,19 +3887,37 @@ qreal QGraphicsItem::scale() const The scale is combined with the item's rotation(), transform() and transformations() to map the item's coordinate system to the parent item. - \sa scale(), setTransformOriginPoint(), {Transformations} + \sa scale(), setTransformOriginPoint(), {Transformations Example} */ void QGraphicsItem::setScale(qreal factor) { prepareGeometryChange(); + qreal newScale = factor; + + if (d_ptr->flags & ItemSendsGeometryChanges) { + // Notify the item that the scale is changing. + const QVariant newScaleVariant(itemChange(ItemScaleChange, factor)); + newScale = newScaleVariant.toReal(); + } + if (!d_ptr->transformData) d_ptr->transformData = new QGraphicsItemPrivate::TransformData; - d_ptr->transformData->scale = factor; + + if (d_ptr->transformData->scale == newScale) + return; + + d_ptr->transformData->scale = newScale; d_ptr->transformData->onlyTransform = false; d_ptr->dirtySceneTransform = 1; + // Send post-notification. + if (d_ptr->flags & ItemSendsGeometryChanges) + itemChange(ItemScaleHasChanged, newScale); + if (d_ptr->isObject) emit static_cast<QGraphicsObject *>(this)->scaleChanged(); + + d_ptr->transformChanged(); } @@ -3849,6 +3973,24 @@ void QGraphicsItem::setTransformations(const QList<QGraphicsTransform *> &transf transformations.at(i)->d_func()->setItem(this); d_ptr->transformData->onlyTransform = false; d_ptr->dirtySceneTransform = 1; + d_ptr->transformChanged(); +} + +/*! + \internal +*/ +void QGraphicsItemPrivate::prependGraphicsTransform(QGraphicsTransform *t) +{ + if (!transformData) + transformData = new QGraphicsItemPrivate::TransformData; + if (!transformData->graphicsTransforms.contains(t)) + transformData->graphicsTransforms.prepend(t); + + Q_Q(QGraphicsItem); + t->d_func()->setItem(q); + transformData->onlyTransform = false; + dirtySceneTransform = 1; + transformChanged(); } /*! @@ -3865,6 +4007,7 @@ void QGraphicsItemPrivate::appendGraphicsTransform(QGraphicsTransform *t) t->d_func()->setItem(q); transformData->onlyTransform = false; dirtySceneTransform = 1; + transformChanged(); } /*! @@ -3893,12 +4036,31 @@ QPointF QGraphicsItem::transformOriginPoint() const void QGraphicsItem::setTransformOriginPoint(const QPointF &origin) { prepareGeometryChange(); + QPointF newOrigin = origin; + + if (d_ptr->flags & ItemSendsGeometryChanges) { + // Notify the item that the origin point is changing. + const QVariant newOriginVariant(itemChange(ItemTransformOriginPointChange, + qVariantFromValue<QPointF>(origin))); + newOrigin = newOriginVariant.toPointF(); + } + if (!d_ptr->transformData) d_ptr->transformData = new QGraphicsItemPrivate::TransformData; - d_ptr->transformData->xOrigin = origin.x(); - d_ptr->transformData->yOrigin = origin.y(); + + if (d_ptr->transformData->xOrigin == newOrigin.x() + && d_ptr->transformData->yOrigin == newOrigin.y()) { + return; + } + + d_ptr->transformData->xOrigin = newOrigin.x(); + d_ptr->transformData->yOrigin = newOrigin.y(); d_ptr->transformData->onlyTransform = false; d_ptr->dirtySceneTransform = 1; + + // Send post-notification. + if (d_ptr->flags & ItemSendsGeometryChanges) + itemChange(ItemTransformOriginPointHasChanged, qVariantFromValue<QPointF>(newOrigin)); } /*! @@ -5242,6 +5404,8 @@ void QGraphicsItemPrivate::addChild(QGraphicsItem *child) needSortChildren = 1; // ### maybe 0 child->d_ptr->siblingIndex = children.size(); children.append(child); + if (isObject) + emit static_cast<QGraphicsObject *>(q_ptr)->childrenChanged(); } /*! @@ -5264,6 +5428,8 @@ void QGraphicsItemPrivate::removeChild(QGraphicsItem *child) // the child is not guaranteed to be at the index after the list is sorted. // (see ensureSortedChildren()). child->d_ptr->siblingIndex = -1; + if (isObject) + emit static_cast<QGraphicsObject *>(q_ptr)->childrenChanged(); } /*! @@ -5301,6 +5467,24 @@ void QGraphicsItemPrivate::removeExtraItemCache() unsetExtra(ExtraCacheData); } +void QGraphicsItemPrivate::updatePaintedViewBoundingRects(bool updateChildren) +{ + if (!scene) + return; + + for (int i = 0; i < scene->d_func()->views.size(); ++i) { + QGraphicsViewPrivate *viewPrivate = scene->d_func()->views.at(i)->d_func(); + QRect rect = paintedViewBoundingRects.value(viewPrivate->viewport); + rect.translate(viewPrivate->dirtyScrollOffset); + viewPrivate->updateRect(rect); + } + + if (updateChildren) { + for (int i = 0; i < children.size(); ++i) + children.at(i)->d_ptr->updatePaintedViewBoundingRects(true); + } +} + // 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 @@ -5343,6 +5527,9 @@ void QGraphicsItemPrivate::setSubFocus(QGraphicsItem *rootItem) // Update focus child chain. Stop at panels, or if this item // is hidden, stop at the first item with a visible parent. QGraphicsItem *parent = rootItem ? rootItem : q_ptr; + if (parent->panel() != q_ptr->panel()) + return; + do { // Clear any existing ancestor's subFocusItem. if (parent != q_ptr && parent->d_ptr->subFocusItem) { @@ -5484,6 +5671,14 @@ void QGraphicsItem::update(const QRectF &rect) viewport, which does not benefit from scroll optimizations), this function is equivalent to calling update(\a rect). + \bold{Note:} Scrolling is only supported when QGraphicsItem::ItemCoordinateCache + is enabled; in all other cases calling this function is equivalent to calling + update(\a rect). If you for sure know that the item is opaque and not overlapped + by other items, you can map the \a rect to viewport coordinates and scroll the + viewport. + + \snippet doc/src/snippets/code/src_gui_graphicsview_qgraphicsitem.cpp 19 + \sa boundingRect() */ void QGraphicsItem::scroll(qreal dx, qreal dy, const QRectF &rect) @@ -5493,152 +5688,71 @@ void QGraphicsItem::scroll(qreal dx, qreal dy, const QRectF &rect) return; if (!d->scene) return; - if (d->cacheMode != NoCache) { - QGraphicsItemCache *c; - bool scrollCache = qFuzzyIsNull(dx - int(dx)) && qFuzzyIsNull(dy - int(dy)) - && (c = (QGraphicsItemCache *)qVariantValue<void *>(d_ptr->extra(QGraphicsItemPrivate::ExtraCacheData))) - && (d->cacheMode == ItemCoordinateCache && !c->fixedSize.isValid()); - if (scrollCache) { - QPixmap pix; - if (QPixmapCache::find(c->key, &pix)) { - // Adjust with 2 pixel margin. Notice the loss of precision - // when converting to QRect. - int adjust = 2; - QRectF br = boundingRect().adjusted(-adjust, -adjust, adjust, adjust); - QRect irect = rect.toRect().translated(-br.x(), -br.y()); - - pix.scroll(dx, dy, irect); - - QPixmapCache::replace(c->key, pix); - - // Translate the existing expose. - foreach (QRectF exposedRect, c->exposed) - c->exposed += exposedRect.translated(dx, dy) & rect; - - // Calculate exposure. - QRegion exposed; - QRect r = rect.toRect(); - exposed += r; - exposed -= r.translated(dx, dy); - foreach (QRect rect, exposed.rects()) - update(rect); - d->scene->d_func()->markDirty(this); - } else { - update(rect); - } - } else { - // ### This is very slow, and can be done much better. If the cache is - // local and matches the below criteria for rotation and scaling, we - // can easily scroll. And if the cache is in device coordinates, we - // can scroll both the viewport and the cache. - update(rect); - } + + // Accelerated scrolling means moving pixels from one location to another + // and only redraw the newly exposed area. The following requirements must + // be fulfilled in order to do that: + // + // 1) Item is opaque. + // 2) Item is not overlapped by other items. + // + // There's (yet) no way to detect whether an item is opaque or not, which means + // we cannot do accelerated scrolling unless the cache is enabled. In case of using + // DeviceCoordinate cache we also have to take the device transform into account in + // order to determine whether we can do accelerated scrolling or not. That's left out + // for simplicity here, but it is definitely something we can consider in the future + // as a performance improvement. + if (d->cacheMode != QGraphicsItem::ItemCoordinateCache + || !qFuzzyIsNull(dx - int(dx)) || !qFuzzyIsNull(dy - int(dy))) { + update(rect); return; } - QRectF scrollRect = !rect.isNull() ? rect : boundingRect(); - int couldntScroll = d->scene->views().size(); - foreach (QGraphicsView *view, d->scene->views()) { - if (view->viewport()->inherits("QGLWidget")) { - // ### Please replace with a widget attribute; any widget that - // doesn't support partial updates / doesn't support scrolling - // should be skipped in this code. Qt::WA_NoPartialUpdates or so. - continue; - } + QGraphicsItemCache *cache = d->extraItemCache(); + if (cache->allExposed || cache->fixedSize.isValid()) { + // Cache is either invalidated or item is scaled (see QGraphicsItem::setCacheMode). + update(rect); + return; + } - static const QLineF up(0, 0, 0, -1); - static const QLineF down(0, 0, 0, 1); - static const QLineF left(0, 0, -1, 0); - static const QLineF right(0, 0, 1, 0); - - QTransform deviceTr = deviceTransform(view->viewportTransform()); - QRect deviceScrollRect = deviceTr.mapRect(scrollRect).toRect(); - QLineF v1 = deviceTr.map(right); - QLineF v2 = deviceTr.map(down); - QLineF u1 = v1.unitVector(); u1.translate(-v1.p1()); - QLineF u2 = v2.unitVector(); u2.translate(-v2.p1()); - bool noScroll = false; - - // Check if the delta resolves to ints in device space. - QPointF deviceDelta = deviceTr.map(QPointF(dx, dy)); - if ((deviceDelta.x() - int(deviceDelta.x())) - || (deviceDelta.y() - int(deviceDelta.y()))) { - noScroll = true; - } else { - // Check if the unit vectors have no fraction in device space. - qreal v1l = v1.length(); - if (v1l - int(v1l)) { - noScroll = true; - } else { - dx *= v1.length(); - } - qreal v2l = v2.length(); - if (v2l - int(v2l)) { - noScroll = true; - } else { - dy *= v2.length(); - } - } + // Find pixmap in cache. + QPixmap cachedPixmap; + if (!QPixmapCache::find(cache->key, &cachedPixmap)) { + update(rect); + return; + } - if (!noScroll) { - if (u1 == right) { - if (u2 == up) { - // flipped - dy = -dy; - } else if (u2 == down) { - // normal - } else { - noScroll = true; - } - } else if (u1 == left) { - if (u2 == up) { - // mirrored & flipped / rotated 180 degrees - dx = -dx; - dy = -dy; - } else if (u2 == down) { - // mirrored - dx = -dx; - } else { - noScroll = true; - } - } else if (u1 == up) { - if (u2 == left) { - // rotated -90 & mirrored - qreal tmp = dy; - dy = -dx; - dx = -tmp; - } else if (u2 == right) { - // rotated -90 - qreal tmp = dy; - dy = -dx; - dx = tmp; - } else { - noScroll = true; - } - } else if (u1 == down) { - if (u2 == left) { - // rotated 90 - qreal tmp = dy; - dy = dx; - dx = -tmp; - } else if (u2 == right) { - // rotated 90 & mirrored - qreal tmp = dy; - dy = dx; - dx = tmp; - } else { - noScroll = true; - } - } - } + QRect scrollRect = (rect.isNull() ? boundingRect() : rect).toAlignedRect(); + if (!scrollRect.intersects(cache->boundingRect)) + return; // Nothing to scroll. - if (!noScroll) { - view->viewport()->scroll(int(dx), int(dy), deviceScrollRect); - --couldntScroll; - } + // Remove from cache to avoid deep copy when modifying. + QPixmapCache::remove(cache->key); + + QRegion exposed; + cachedPixmap.scroll(dx, dy, scrollRect.translated(-cache->boundingRect.topLeft()), &exposed); + + // Reinsert into cache. + cache->key = QPixmapCache::insert(cachedPixmap); + + // Translate the existing expose. + for (int i = 0; i < cache->exposed.size(); ++i) { + QRectF &e = cache->exposed[i]; + if (!rect.isNull() && !e.intersects(rect)) + continue; + e.translate(dx, dy); } - if (couldntScroll) - update(rect); + + // Append newly exposed areas. Note that the exposed region is currently + // in pixmap coordinates, so we have to translate it to item coordinates. + exposed.translate(cache->boundingRect.topLeft()); + const QVector<QRect> exposedRects = exposed.rects(); + for (int i = 0; i < exposedRects.size(); ++i) + cache->exposed += exposedRects.at(i); + + // Trigger update. This will redraw the newly exposed area and make sure + // the pixmap is re-blitted in case there are overlapping items. + d->scene->d_func()->markDirty(this, rect); } /*! @@ -6999,7 +7113,12 @@ void QGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) // Root items that ignore transformations need to // calculate their diff by mapping viewport coordinates // directly to parent coordinates. - QTransform viewToParentTransform = (item->transform().translate(item->d_ptr->pos.x(), item->d_ptr->pos.y())) + // COMBINE + QTransform itemTransform; + if (item->d_ptr->transformData) + itemTransform = item->d_ptr->transformData->computedFullTransform(); + itemTransform.translate(item->d_ptr->pos.x(), item->d_ptr->pos.y()); + QTransform viewToParentTransform = itemTransform * (item->sceneTransform() * view->viewportTransform()).inverted(); currentParentPos = viewToParentTransform.map(QPointF(view->mapFromGlobal(event->screenPos()))); buttonDownParentPos = viewToParentTransform.map(QPointF(view->mapFromGlobal(event->buttonDownScreenPos(Qt::LeftButton)))); @@ -7193,6 +7312,44 @@ void QGraphicsItem::setInputMethodHints(Qt::InputMethodHints hints) { Q_D(QGraphicsItem); d->imHints = hints; + if (!hasFocus()) + return; + d->scene->d_func()->updateInputMethodSensitivityInViews(); +#if !defined(QT_NO_IM) && (defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)) + QWidget *fw = QApplication::focusWidget(); + if (!fw) + return; + for (int i = 0 ; i < scene()->views().count() ; ++i) + if (scene()->views().at(i) == fw) + if (QInputContext *inputContext = fw->inputContext()) + inputContext->update(); +#endif +} + +/*! + Updates the item's micro focus. + + \since 4.7 + + \sa QInputContext +*/ +void QGraphicsItem::updateMicroFocus() +{ +#if !defined(QT_NO_IM) && (defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)) + if (QWidget *fw = QApplication::focusWidget()) { + if (scene()) { + for (int i = 0 ; i < scene()->views().count() ; ++i) { + if (scene()->views().at(i) == fw) + if (QInputContext *inputContext = fw->inputContext()) + inputContext->update(); + } + } +#ifndef QT_NO_ACCESSIBILITY + // ##### is this correct + QAccessible::updateAccessibility(fw, 0, QAccessible::StateChanged); +#endif + } +#endif } /*! @@ -7445,6 +7602,7 @@ QGraphicsObject::QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent QGraphicsItem::d_ptr->isObject = true; } +#ifndef QT_NO_GESTURES /*! Subscribes the graphics object to the given \a gesture with specific \a flags. @@ -7452,9 +7610,10 @@ QGraphicsObject::QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent */ void QGraphicsObject::grabGesture(Qt::GestureType gesture, Qt::GestureFlags flags) { - QGraphicsItemPrivate * const d = QGraphicsItem::d_func(); - d->gestureContext.insert(gesture, flags); - (void)QGestureManager::instance(); // create a gesture manager + bool contains = QGraphicsItem::d_ptr->gestureContext.contains(gesture); + QGraphicsItem::d_ptr->gestureContext.insert(gesture, flags); + if (!contains && QGraphicsItem::d_ptr->scene) + QGraphicsItem::d_ptr->scene->d_func()->grabGesture(this, gesture); } /*! @@ -7464,14 +7623,122 @@ void QGraphicsObject::grabGesture(Qt::GestureType gesture, Qt::GestureFlags flag */ void QGraphicsObject::ungrabGesture(Qt::GestureType gesture) { - QGraphicsItemPrivate * const d = QGraphicsItem::d_func(); - if (d->gestureContext.remove(gesture)) { - QGestureManager *manager = QGestureManager::instance(); - manager->cleanupCachedGestures(this, gesture); + if (QGraphicsItem::d_ptr->gestureContext.remove(gesture) && QGraphicsItem::d_ptr->scene) + QGraphicsItem::d_ptr->scene->d_func()->ungrabGesture(this, gesture); +} +#endif // QT_NO_GESTURES + +/*! + Updates the item's micro focus. This is slot for convenience. + + \since 4.7 + + \sa QInputContext +*/ +void QGraphicsObject::updateMicroFocus() +{ + QGraphicsItem::updateMicroFocus(); +} + +void QGraphicsItemPrivate::children_append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item) +{ + QGraphicsItemPrivate::get(item)->setParentItemHelper(static_cast<QGraphicsObject *>(list->object), /*newParentVariant=*/0, /*thisPointerVariant=*/0); +} + +int QGraphicsItemPrivate::children_count(QDeclarativeListProperty<QGraphicsObject> *list) +{ + QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(static_cast<QGraphicsObject *>(list->object)); + return d->children.count(); +} + +QGraphicsObject *QGraphicsItemPrivate::children_at(QDeclarativeListProperty<QGraphicsObject> *list, int index) +{ + QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(static_cast<QGraphicsObject *>(list->object)); + if (index >= 0 && index < d->children.count()) + return d->children.at(index)->toGraphicsObject(); + else + return 0; +} + +/*! + Returns a list of this item's children. + + The items are sorted by stacking order. This takes into account both the + items' insertion order and their Z-values. + +*/ +QDeclarativeListProperty<QGraphicsObject> QGraphicsItemPrivate::childrenList() +{ + Q_Q(QGraphicsItem); + if (isObject) { + QGraphicsObject *that = static_cast<QGraphicsObject *>(q); + return QDeclarativeListProperty<QGraphicsObject>(that, &children, children_append, + children_count, children_at); + } else { + //QGraphicsItem is not supported for this property + return QDeclarativeListProperty<QGraphicsObject>(); } } /*! + \internal + Returns the width of the item + Reimplemented by QGraphicsWidget +*/ +qreal QGraphicsItemPrivate::width() const +{ + return 0; +} + +/*! + \internal + Set the width of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::setWidth(qreal w) +{ + Q_UNUSED(w); +} + +/*! + \internal + Reset the width of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::resetWidth() +{ +} + +/*! + \internal + Returns the height of the item + Reimplemented by QGraphicsWidget +*/ +qreal QGraphicsItemPrivate::height() const +{ + return 0; +} + +/*! + \internal + Set the height of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::setHeight(qreal h) +{ + Q_UNUSED(h); +} + +/*! + \internal + Reset the height of the item + Reimplemented by QGraphicsWidget +*/ +void QGraphicsItemPrivate::resetHeight() +{ +} + +/*! \property QGraphicsObject::parent \brief the parent of the item @@ -7657,6 +7924,30 @@ void QGraphicsObject::ungrabGesture(Qt::GestureType gesture) \sa scale, rotation, QGraphicsItem::transformOriginPoint() */ +/*! + \fn void QGraphicsObject::widthChanged() + \internal +*/ + +/*! + \fn void QGraphicsObject::heightChanged() + \internal +*/ + +/*! + + \fn QGraphicsObject::childrenChanged() + + This signal gets emitted whenever the children list changes + \internal +*/ + +/*! + \property QGraphicsObject::effect + \brief the effect attached to this item + + \sa QGraphicsItem::setGraphicsEffect(), QGraphicsItem::graphicsEffect() +*/ /*! \class QAbstractGraphicsShapeItem @@ -7674,7 +7965,7 @@ void QGraphicsObject::ungrabGesture(Qt::GestureType gesture) \sa QGraphicsRectItem, QGraphicsEllipseItem, QGraphicsPathItem, QGraphicsPolygonItem, QGraphicsTextItem, QGraphicsLineItem, - QGraphicsPixmapItem, {The Graphics View Framework} + QGraphicsPixmapItem, {Graphics View Framework} */ class QAbstractGraphicsShapeItemPrivate : public QGraphicsItemPrivate @@ -7813,7 +8104,7 @@ QPainterPath QAbstractGraphicsShapeItem::opaqueArea() const setBrush() functions. \sa QGraphicsRectItem, QGraphicsEllipseItem, QGraphicsPolygonItem, - QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {The Graphics + QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {Graphics View Framework} */ @@ -8022,7 +8313,7 @@ QVariant QGraphicsPathItem::extension(const QVariant &variant) const those instead. \sa QGraphicsPathItem, QGraphicsEllipseItem, QGraphicsPolygonItem, - QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {The Graphics + QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {Graphics View Framework} */ @@ -8266,7 +8557,7 @@ QVariant QGraphicsRectItem::extension(const QVariant &variant) const brush, which you can set by calling setPen() and setBrush(). \sa QGraphicsPathItem, QGraphicsRectItem, QGraphicsPolygonItem, - QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {The Graphics + QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {Graphics View Framework} */ @@ -8575,7 +8866,7 @@ QVariant QGraphicsEllipseItem::extension(const QVariant &variant) const setPen() and setBrush() functions. \sa QGraphicsPathItem, QGraphicsRectItem, QGraphicsEllipseItem, - QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {The Graphics + QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, {Graphics View Framework} */ @@ -8807,8 +9098,8 @@ QVariant QGraphicsPolygonItem::extension(const QVariant &variant) const function draws the line using the item's associated pen. \sa QGraphicsPathItem, QGraphicsRectItem, QGraphicsEllipseItem, - QGraphicsTextItem, QGraphicsPolygonItem, QGraphicsPixmapItem, {The - Graphics View Framework} + QGraphicsTextItem, QGraphicsPolygonItem, QGraphicsPixmapItem, + {Graphics View Framework} */ class QGraphicsLineItemPrivate : public QGraphicsItemPrivate @@ -9077,8 +9368,8 @@ QVariant QGraphicsLineItem::extension(const QVariant &variant) const transformation mode for the item. \sa QGraphicsPathItem, QGraphicsRectItem, QGraphicsEllipseItem, - QGraphicsTextItem, QGraphicsPolygonItem, QGraphicsLineItem, {The - Graphics View Framework} + QGraphicsTextItem, QGraphicsPolygonItem, QGraphicsLineItem, + {Graphics View Framework} */ /*! @@ -9448,7 +9739,7 @@ QVariant QGraphicsPixmapItem::extension(const QVariant &variant) const \sa QGraphicsSimpleTextItem, QGraphicsPathItem, QGraphicsRectItem, QGraphicsEllipseItem, QGraphicsPixmapItem, QGraphicsPolygonItem, - QGraphicsLineItem, {The Graphics View Framework} + QGraphicsLineItem, {Graphics View Framework} */ class QGraphicsTextItemPrivate @@ -9819,6 +10110,9 @@ bool QGraphicsTextItem::sceneEvent(QEvent *event) #endif //QT_NO_IM } break; + case QEvent::ShortcutOverride: + dd->sendControlEvent(event); + return true; default: break; } @@ -10361,9 +10655,9 @@ void QGraphicsSimpleTextItemPrivate::updateBoundingRect() \img graphicsview-simpletextitem.png - \sa QGraphicsTextItem, QGraphicsPathItem, QGraphicsRectItem, QGraphicsEllipseItem, - QGraphicsPixmapItem, QGraphicsPolygonItem, QGraphicsLineItem, {The - Graphics View Framework} + \sa QGraphicsTextItem, QGraphicsPathItem, QGraphicsRectItem, + QGraphicsEllipseItem, QGraphicsPixmapItem, QGraphicsPolygonItem, + QGraphicsLineItem, {Graphics View Framework} */ /*! @@ -10624,7 +10918,7 @@ QVariant QGraphicsSimpleTextItem::extension(const QVariant &variant) const item group. As with addToGroup(), the item's scene-relative position and transformation remain intact. - \sa QGraphicsItem, {The Graphics View Framework} + \sa QGraphicsItem, {Graphics View Framework} */ class QGraphicsItemGroupPrivate : public QGraphicsItemPrivate @@ -10951,14 +11245,14 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP &newEffectTransform, false, true); } else if (deviceCoordinates) { // Device coordinates with info. - scened->draw(item, &pixmapPainter, info->viewTransform, info->transformPtr, info->exposedRegion, + scened->draw(item, &pixmapPainter, info->viewTransform, info->transformPtr, 0, info->widget, info->opacity, &effectTransform, info->wasDirtySceneTransform, info->drawItem); } else { // Item coordinates with info. QTransform newEffectTransform = info->transformPtr->inverted(); newEffectTransform *= effectTransform; - scened->draw(item, &pixmapPainter, info->viewTransform, info->transformPtr, info->exposedRegion, + scened->draw(item, &pixmapPainter, info->viewTransform, info->transformPtr, 0, info->widget, info->opacity, &newEffectTransform, info->wasDirtySceneTransform, info->drawItem); } @@ -11094,6 +11388,24 @@ QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemChange change) case QGraphicsItem::ItemScenePositionHasChanged: str = "ItemScenePositionHasChanged"; break; + case QGraphicsItem::ItemRotationChange: + str = "ItemRotationChange"; + break; + case QGraphicsItem::ItemRotationHasChanged: + str = "ItemRotationHasChanged"; + break; + case QGraphicsItem::ItemScaleChange: + str = "ItemScaleChange"; + break; + case QGraphicsItem::ItemScaleHasChanged: + str = "ItemScaleHasChanged"; + break; + case QGraphicsItem::ItemTransformOriginPointChange: + str = "ItemTransformOriginPointChange"; + break; + case QGraphicsItem::ItemTransformOriginPointHasChanged: + str = "ItemTransformOriginPointHasChanged"; + break; } debug << str; return debug; @@ -11154,6 +11466,9 @@ QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemFlag flag) case QGraphicsItem::ItemSendsScenePositionChanges: str = "ItemSendsScenePositionChanges"; break; + case QGraphicsItem::ItemStopsClickFocusPropagation: + str = "ItemStopsClickFocusPropagation"; + break; } debug << str; return debug; @@ -11163,7 +11478,7 @@ QDebug operator<<(QDebug debug, QGraphicsItem::GraphicsItemFlags flags) { debug << '('; bool f = false; - for (int i = 0; i < 16; ++i) { + for (int i = 0; i < 17; ++i) { if (flags & (1 << i)) { if (f) debug << '|'; diff --git a/src/gui/graphicsview/qgraphicsitem.h b/src/gui/graphicsview/qgraphicsitem.h index d72833b..3c193cd 100644 --- a/src/gui/graphicsview/qgraphicsitem.h +++ b/src/gui/graphicsview/qgraphicsitem.h @@ -106,7 +106,8 @@ public: ItemNegativeZStacksBehindParent = 0x2000, ItemIsPanel = 0x4000, ItemIsFocusScope = 0x8000, // internal - ItemSendsScenePositionChanges = 0x10000 + ItemSendsScenePositionChanges = 0x10000, + ItemStopsClickFocusPropagation = 0x20000 // NB! Don't forget to increase the d_ptr->flags bit field by 1 when adding a new flag. }; Q_DECLARE_FLAGS(GraphicsItemFlags, GraphicsItemFlag) @@ -139,7 +140,13 @@ public: ItemZValueHasChanged, ItemOpacityChange, ItemOpacityHasChanged, - ItemScenePositionHasChanged + ItemScenePositionHasChanged, + ItemRotationChange, + ItemRotationHasChanged, + ItemScaleChange, + ItemScaleHasChanged, + ItemTransformOriginPointChange, + ItemTransformOriginPointHasChanged }; enum CacheMode { @@ -418,6 +425,7 @@ public: void removeSceneEventFilter(QGraphicsItem *filterItem); protected: + void updateMicroFocus(); virtual bool sceneEventFilter(QGraphicsItem *watched, QEvent *event); virtual bool sceneEvent(QEvent *event); virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event); @@ -478,7 +486,9 @@ private: friend class QGraphicsSceneBspTreeIndexPrivate; friend class QGraphicsItemEffectSourcePrivate; friend class QGraphicsTransformPrivate; +#ifndef QT_NO_GESTURES friend class QGestureManager; +#endif friend class ::tst_QGraphicsItem; friend bool qt_closestLeaf(const QGraphicsItem *, const QGraphicsItem *); friend bool qt_closestItemFirst(const QGraphicsItem *, const QGraphicsItem *); @@ -540,13 +550,20 @@ class Q_GUI_EXPORT QGraphicsObject : public QObject, public QGraphicsItem Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity NOTIFY opacityChanged FINAL) Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged) Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged FINAL) - Q_PROPERTY(QPointF pos READ pos WRITE setPos) - Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged) - Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged) - Q_PROPERTY(qreal z READ zValue WRITE setZValue NOTIFY zChanged) + Q_PROPERTY(QPointF pos READ pos WRITE setPos FINAL) + Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged FINAL) + Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged FINAL) + Q_PROPERTY(qreal z READ zValue WRITE setZValue NOTIFY zChanged FINAL) Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged) Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged) Q_PROPERTY(QPointF transformOriginPoint READ transformOriginPoint WRITE setTransformOriginPoint) +#ifndef QT_NO_GRAPHICSEFFECT + Q_PROPERTY(QGraphicsEffect *effect READ graphicsEffect WRITE setGraphicsEffect) +#endif + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), QDeclarativeListProperty<QGraphicsObject> children READ childrenList DESIGNABLE false NOTIFY childrenChanged) + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal width READ width WRITE setWidth NOTIFY widthChanged RESET resetWidth FINAL) + Q_PRIVATE_PROPERTY(QGraphicsItem::d_func(), qreal height READ height WRITE setHeight NOTIFY heightChanged RESET resetHeight FINAL) + Q_CLASSINFO("DefaultProperty", "children") Q_INTERFACES(QGraphicsItem) public: QGraphicsObject(QGraphicsItem *parent = 0); @@ -558,8 +575,13 @@ public: using QObject::children; #endif +#ifndef QT_NO_GESTURES void grabGesture(Qt::GestureType type, Qt::GestureFlags flags = Qt::GestureFlags()); void ungrabGesture(Qt::GestureType type); +#endif + +protected Q_SLOTS: + void updateMicroFocus(); Q_SIGNALS: void parentChanged(); @@ -571,6 +593,9 @@ Q_SIGNALS: void zChanged(); void rotationChanged(); void scaleChanged(); + void childrenChanged(); + void widthChanged(); + void heightChanged(); protected: QGraphicsObject(QGraphicsItemPrivate &dd, QGraphicsItem *parent, QGraphicsScene *scene); diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index ead240b..5b9a710 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -71,6 +71,63 @@ QT_BEGIN_NAMESPACE class QGraphicsItemPrivate; +#ifndef QDECLARATIVELISTPROPERTY +#define QDECLARATIVELISTPROPERTY +template<typename T> +class QDeclarativeListProperty { +public: + typedef void (*AppendFunction)(QDeclarativeListProperty<T> *, T*); + typedef int (*CountFunction)(QDeclarativeListProperty<T> *); + typedef T *(*AtFunction)(QDeclarativeListProperty<T> *, int); + typedef void (*ClearFunction)(QDeclarativeListProperty<T> *); + + QDeclarativeListProperty() + : object(0), data(0), append(0), count(0), at(0), clear(0), dummy1(0), dummy2(0) {} + QDeclarativeListProperty(QObject *o, QList<T *> &list) + : object(o), data(&list), append(qlist_append), count(qlist_count), at(qlist_at), + clear(qlist_clear), dummy1(0), dummy2(0) {} + QDeclarativeListProperty(QObject *o, void *d, AppendFunction a, CountFunction c = 0, AtFunction t = 0, + ClearFunction r = 0) + : object(o), data(d), append(a), count(c), at(t), clear(r), dummy1(0), dummy2(0) {} + + bool operator==(const QDeclarativeListProperty &o) const { + return object == o.object && + data == o.data && + append == o.append && + count == o.count && + at == o.at && + clear == o.clear; + } + + QObject *object; + void *data; + + AppendFunction append; + + CountFunction count; + AtFunction at; + + ClearFunction clear; + + void *dummy1; + void *dummy2; + +private: + static void qlist_append(QDeclarativeListProperty *p, T *v) { + ((QList<T *> *)p->data)->append(v); + } + static int qlist_count(QDeclarativeListProperty *p) { + return ((QList<T *> *)p->data)->count(); + } + static T *qlist_at(QDeclarativeListProperty *p, int idx) { + return ((QList<T *> *)p->data)->at(idx); + } + static void qlist_clear(QDeclarativeListProperty *p) { + return ((QList<T *> *)p->data)->clear(); + } +}; +#endif + class QGraphicsItemCache { public: @@ -156,8 +213,8 @@ public: needSortChildren(0), allChildrenDirty(0), fullUpdatePending(0), - flags(0), dirtyChildrenBoundingRect(1), + flags(0), paintedViewBoundingRectsNeedRepaint(0), dirtySceneTransform(1), geometryChanged(1), @@ -180,6 +237,7 @@ public: scenePosDescendants(0), pendingPolish(0), mayHaveChildWithGraphicsEffect(0), + isDeclarativeItem(0), globalStackingOrder(-1), q_ptr(0) { @@ -220,11 +278,13 @@ public: virtual void setPosHelper(const QPointF &pos); void setTransformHelper(const QTransform &transform); + void prependGraphicsTransform(QGraphicsTransform *t); void appendGraphicsTransform(QGraphicsTransform *t); void setVisibleHelper(bool newVisible, bool explicitly, bool update = true); void setEnabledHelper(bool newEnabled, bool explicitly, bool update = true); bool discardUpdateRequest(bool ignoreVisibleBit = false, bool ignoreDirtyBit = false, bool ignoreOpacity = false) const; + virtual void transformChanged() {} int depth() const; #ifndef QT_NO_GRAPHICSEFFECT enum InvalidateReason { @@ -237,6 +297,7 @@ public: void resolveDepth(); void addChild(QGraphicsItem *child); void removeChild(QGraphicsItem *child); + QDeclarativeListProperty<QGraphicsObject> childrenList(); void setParentItemHelper(QGraphicsItem *parent, const QVariant *newParentVariant, const QVariant *thisPointerVariant); void childrenBoundingRectHelper(QTransform *x, QRectF *rect, bool doClip = true); @@ -316,6 +377,7 @@ public: QGraphicsItemCache *extraItemCache() const; void removeExtraItemCache(); + void updatePaintedViewBoundingRects(bool updateChildren); void ensureSceneTransformRecursive(QGraphicsItem **topMostDirtyItem); inline void ensureSceneTransform() { @@ -421,6 +483,10 @@ public: void resetFocusProxy(); virtual void subFocusItemChange(); + static void children_append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item); + static int children_count(QDeclarativeListProperty<QGraphicsObject> *list); + static QGraphicsObject *children_at(QDeclarativeListProperty<QGraphicsObject> *list, int); + inline QTransform transformToParent() const; inline void ensureSortedChildren(); static inline bool insertionOrder(QGraphicsItem *a, QGraphicsItem *b); @@ -428,6 +494,15 @@ public: inline void sendScenePosChange(); virtual void siblingOrderChange(); + // Private Properties + virtual qreal width() const; + virtual void setWidth(qreal); + virtual void resetWidth(); + + virtual qreal height() const; + virtual void setHeight(qreal); + virtual void resetHeight(); + QRectF childrenBoundingRect; QRectF needsRepaint; QMap<QWidget *, QRect> paintedViewBoundingRects; @@ -450,7 +525,9 @@ public: QGraphicsItem *focusScopeItem; Qt::InputMethodHints imHints; QGraphicsItem::PanelModality panelModality; +#ifndef QT_NO_GESTURES QMap<Qt::GestureType, Qt::GestureFlags> gestureContext; +#endif // Packed 32 bits quint32 acceptedMouseButtons : 5; @@ -475,11 +552,11 @@ public: quint32 inSetPosHelper : 1; quint32 needSortChildren : 1; quint32 allChildrenDirty : 1; - - // Packed 32 bits quint32 fullUpdatePending : 1; - quint32 flags : 17; quint32 dirtyChildrenBoundingRect : 1; + + // Packed 32 bits + quint32 flags : 18; quint32 paintedViewBoundingRectsNeedRepaint : 1; quint32 dirtySceneTransform : 1; quint32 geometryChanged : 1; @@ -493,9 +570,9 @@ public: quint32 sceneTransformTranslateOnly : 1; quint32 notifyBoundingRectChanged : 1; quint32 notifyInvalidated : 1; + quint32 mouseSetsFocus : 1; // New 32 bits - quint32 mouseSetsFocus : 1; quint32 explicitActivate : 1; quint32 wantsActive : 1; quint32 holesInSiblingIndex : 1; @@ -504,6 +581,8 @@ public: quint32 scenePosDescendants : 1; quint32 pendingPolish : 1; quint32 mayHaveChildWithGraphicsEffect : 1; + quint32 isDeclarativeItem : 1; + quint32 padding : 23; // Optional stacking order int globalStackingOrder; @@ -609,7 +688,7 @@ public: return item->type() == QGraphicsPixmapItem::Type && !(item->flags() & QGraphicsItem::ItemIsSelectable) && item->d_ptr->children.size() == 0; - //|| (item->d_ptr->isObject && qobject_cast<QmlGraphicsImage *>(q_func())); + //|| (item->d_ptr->isObject && qobject_cast<QDeclarativeImage *>(q_func())); } inline const QStyleOption *styleOption() const @@ -798,7 +877,7 @@ inline void QGraphicsItemPrivate::markParentDirty(bool updateBoundingRect) parentp->notifyInvalidated = 1; sourcep->invalidateCache(); } - if (parentp->graphicsEffect->isEnabled()) { + if (parentp->scene && parentp->graphicsEffect->isEnabled()) { parentp->dirty = 1; parentp->fullUpdatePending = 1; } diff --git a/src/gui/graphicsview/qgraphicsitemanimation.cpp b/src/gui/graphicsview/qgraphicsitemanimation.cpp index 839c4ee..9cb9a8d 100644 --- a/src/gui/graphicsview/qgraphicsitemanimation.cpp +++ b/src/gui/graphicsview/qgraphicsitemanimation.cpp @@ -77,7 +77,7 @@ so scheduling several transformations of the same kind (e.g., rotations) at the same step is not recommended. - \sa QTimeLine, {The Graphics View Framework} + \sa QTimeLine, {Graphics View Framework} */ #include "qgraphicsitemanimation.h" diff --git a/src/gui/graphicsview/qgraphicslayoutitem.cpp b/src/gui/graphicsview/qgraphicslayoutitem.cpp index 9f9a39d..5a7f1af 100644 --- a/src/gui/graphicsview/qgraphicslayoutitem.cpp +++ b/src/gui/graphicsview/qgraphicslayoutitem.cpp @@ -322,7 +322,7 @@ void QGraphicsLayoutItemPrivate::setSizeComponent( layout, or false otherwise. Qt uses QGraphicsLayoutItem to provide layout functionality in the - \l{The Graphics View Framework}, but in the future its use may spread + \l{Graphics View Framework}, but in the future its use may spread throughout Qt itself. \sa QGraphicsWidget, QGraphicsLayout, QGraphicsLinearLayout, diff --git a/src/gui/graphicsview/qgraphicslinearlayout.cpp b/src/gui/graphicsview/qgraphicslinearlayout.cpp index 6a9eb29..b828722 100644 --- a/src/gui/graphicsview/qgraphicslinearlayout.cpp +++ b/src/gui/graphicsview/qgraphicslinearlayout.cpp @@ -147,7 +147,7 @@ void QGraphicsLinearLayoutPrivate::removeGridItem(QGridLayoutItem *gridItem) { int index = gridItem->firstRow(orientation); engine.removeItem(gridItem); - engine.removeRow(index, orientation); + engine.removeRows(index, 1, orientation); } void QGraphicsLinearLayoutPrivate::fixIndex(int *index) const @@ -554,6 +554,8 @@ void QGraphicsLinearLayout::dump(int indent) const d->orientation == Qt::Horizontal ? "Horizontal" : "Vertical"); d->engine.dump(indent + 1); } +#else + Q_UNUSED(indent); #endif } diff --git a/src/gui/graphicsview/qgraphicsproxywidget.cpp b/src/gui/graphicsview/qgraphicsproxywidget.cpp index ad7cf5d..320395e 100644 --- a/src/gui/graphicsview/qgraphicsproxywidget.cpp +++ b/src/gui/graphicsview/qgraphicsproxywidget.cpp @@ -975,6 +975,7 @@ bool QGraphicsProxyWidget::eventFilter(QObject *object, QEvent *event) d->styleChangeMode = QGraphicsProxyWidgetPrivate::NoMode; } break; +#ifndef QT_NO_TOOLTIP case QEvent::ToolTipChange: // Propagate tooltip change to the proxy. if (!d->tooltipChangeMode) { @@ -983,6 +984,7 @@ bool QGraphicsProxyWidget::eventFilter(QObject *object, QEvent *event) d->tooltipChangeMode = QGraphicsProxyWidgetPrivate::NoMode; } break; +#endif default: break; } @@ -1024,9 +1026,18 @@ void QGraphicsProxyWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent *even // Map event position from us to the receiver pos = d->mapToReceiver(pos, receiver); + QPoint globalPos = receiver->mapToGlobal(pos.toPoint()); + //If the receiver by-pass the proxy its popups + //will be top level QWidgets therefore they need + //the screen position. mapToGlobal expect the widget to + //have proper coordinates in regards of the windowing system + //but it's not true because the widget is embedded. + if (bypassGraphicsProxyWidget(receiver)) + globalPos = event->screenPos(); + // Send mouse event. ### Doesn't propagate the event. QContextMenuEvent contextMenuEvent(QContextMenuEvent::Reason(event->reason()), - pos.toPoint(), receiver->mapToGlobal(pos.toPoint()), event->modifiers()); + pos.toPoint(), globalPos, event->modifiers()); QApplication::sendEvent(receiver, &contextMenuEvent); event->setAccepted(contextMenuEvent.isAccepted()); diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index c5e3644..4bc7f4c 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -50,7 +50,7 @@ The class serves as a container for QGraphicsItems. It is used together with QGraphicsView for visualizing graphical items, such as lines, rectangles, text, or even custom items, on a 2D surface. QGraphicsScene is - part of \l{The Graphics View Framework}. + part of the \l{Graphics View Framework}. QGraphicsScene also provides functionality that lets you efficiently determine both the location of items, and for determining what items are @@ -228,6 +228,7 @@ #include <QtCore/qstack.h> #include <QtCore/qtimer.h> #include <QtCore/qvarlengtharray.h> +#include <QtCore/QMetaMethod> #include <QtGui/qapplication.h> #include <QtGui/qdesktopwidget.h> #include <QtGui/qevent.h> @@ -277,8 +278,6 @@ static void _q_hoverFromMouseEvent(QGraphicsSceneHoverEvent *hover, const QGraph hover->setAccepted(mouseEvent->isAccepted()); } -int QGraphicsScenePrivate::changedSignalIndex; - /*! \internal */ @@ -291,13 +290,20 @@ QGraphicsScenePrivate::QGraphicsScenePrivate() updateAll(false), calledEmitUpdated(false), processDirtyItemsEmitted(false), - selectionChanging(0), needSortTopLevelItems(true), holesInTopLevelSiblingIndex(false), topLevelSequentialOrdering(true), scenePosDescendantsUpdatePending(false), stickyFocus(false), hasFocus(false), + lastMouseGrabberItemHasImplicitMouseGrab(false), + allItemsIgnoreHoverEvents(true), + allItemsUseDefaultCursor(true), + painterStateProtection(true), + sortCacheEnabled(false), + allItemsIgnoreTouchEvents(true), + selectionChanging(0), + rectAdjust(2), focusItem(0), lastFocusItem(0), tabFocusFirst(0), @@ -306,16 +312,10 @@ QGraphicsScenePrivate::QGraphicsScenePrivate() activationRefCount(0), childExplicitActivation(0), lastMouseGrabberItem(0), - lastMouseGrabberItemHasImplicitMouseGrab(false), dragDropItem(0), enterWidget(0), lastDropAction(Qt::IgnoreAction), - allItemsIgnoreHoverEvents(true), - allItemsUseDefaultCursor(true), - painterStateProtection(true), - sortCacheEnabled(false), - style(0), - allItemsIgnoreTouchEvents(true) + style(0) { } @@ -329,9 +329,10 @@ void QGraphicsScenePrivate::init() index = new QGraphicsSceneBspTreeIndex(q); // Keep this index so we can check for connected slots later on. - if (!changedSignalIndex) { - changedSignalIndex = signalIndex("changed(QList<QRectF>)"); - } + changedSignalIndex = signalIndex("changed(QList<QRectF>)"); + processDirtyItemsIndex = q->metaObject()->indexOfSlot("_q_processDirtyItems()"); + polishItemsIndex = q->metaObject()->indexOfSlot("_q_polishItems()"); + qApp->d_func()->scene_list.append(q); q->update(); } @@ -689,11 +690,16 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item) if (item == lastMouseGrabberItem) lastMouseGrabberItem = 0; + // Reset the current drop item + if (item == dragDropItem) + dragDropItem = 0; + // Reenable selectionChanged() for individual items --selectionChanging; if (!selectionChanging && selectedItems.size() != oldSelectedItemsSize) emit q->selectionChanged(); +#ifndef QT_NO_GESTURES QHash<QGesture *, QGraphicsObject *>::iterator it; for (it = gestureTargets.begin(); it != gestureTargets.end();) { if (it.value() == item) @@ -701,6 +707,15 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item) else ++it; } + + QGraphicsObject *dummy = static_cast<QGraphicsObject *>(item); + cachedTargetItems.removeOne(dummy); + cachedItemGestures.remove(dummy); + cachedAlreadyDeliveredGestures.remove(dummy); + + foreach (Qt::GestureType gesture, item->d_ptr->gestureContext.keys()) + ungrabGesture(item, gesture); +#endif // QT_NO_GESTURES } /*! @@ -870,8 +885,7 @@ void QGraphicsScenePrivate::removePopup(QGraphicsWidget *widget, bool itemIsDyin ungrabKeyboard(static_cast<QGraphicsItem *>(widget), itemIsDying); } if (!itemIsDying && widget->isVisible()) { - widget->hide(); - widget->QGraphicsItem::d_ptr->explicitlyHidden = 0; + widget->QGraphicsItem::d_ptr->setVisibleHelper(false, /* explicit = */ false); } } } @@ -1168,11 +1182,13 @@ bool QGraphicsScenePrivate::filterEvent(QGraphicsItem *item, QEvent *event) bool QGraphicsScenePrivate::sendEvent(QGraphicsItem *item, QEvent *event) { if (QGraphicsObject *object = item->toGraphicsObject()) { +#ifndef QT_NO_GESTURES QGestureManager *gestureManager = QApplicationPrivate::instance()->gestureManager; if (gestureManager) { if (gestureManager->filterEvent(object, event)) return true; } +#endif // QT_NO_GESTURES } if (filterEvent(item, event)) @@ -1311,14 +1327,16 @@ void QGraphicsScenePrivate::mousePressEventHandler(QGraphicsSceneMouseEvent *mou setFocus = true; break; } - if (item->isEnabled() && ((item->flags() & QGraphicsItem::ItemIsFocusable) && item->d_ptr->mouseSetsFocus)) { + if (item->isEnabled() && ((item->flags() & QGraphicsItem::ItemIsFocusable))) { if (!item->isWidget() || ((QGraphicsWidget *)item)->focusPolicy() & Qt::ClickFocus) { setFocus = true; - if (item != q->focusItem()) + if (item != q->focusItem() && item->d_ptr->mouseSetsFocus) q->setFocusItem(item, Qt::MouseFocusReason); break; } } + if (item->d_ptr->flags & QGraphicsItem::ItemStopsClickFocusPropagation) + break; if (item->isPanel()) break; } @@ -2533,10 +2551,16 @@ void QGraphicsScene::addItem(QGraphicsItem *item) return; } - if (d->unpolishedItems.isEmpty()) - QMetaObject::invokeMethod(this, "_q_polishItems", Qt::QueuedConnection); - d->unpolishedItems.append(item); - item->d_ptr->pendingPolish = true; + // QDeclarativeItems do not rely on initial itemChanged message, as the componentComplete + // function allows far more opportunity for delayed-construction optimization. + if (!item->d_ptr->isDeclarativeItem) { + if (d->unpolishedItems.isEmpty()) { + QMetaMethod method = metaObject()->method(d->polishItemsIndex); + method.invoke(this, Qt::QueuedConnection); + } + d->unpolishedItems.append(item); + item->d_ptr->pendingPolish = true; + } // Detach this item from its parent if the parent's scene is different // from this scene. @@ -2584,6 +2608,11 @@ void QGraphicsScene::addItem(QGraphicsItem *item) d->enableTouchEventsOnViews(); } +#ifndef QT_NO_GESTURES + foreach (Qt::GestureType gesture, item->d_ptr->gestureContext.keys()) + d->grabGesture(item, gesture); +#endif + // Update selection lists if (item->isSelected()) d->selectedItems << item; @@ -3211,7 +3240,10 @@ void QGraphicsScene::update(const QRectF &rect) // Update all views. for (int i = 0; i < d->views.size(); ++i) { QGraphicsView *view = d->views.at(i); - view->d_func()->updateRegion(QRegion(view->mapFromScene(rect).boundingRect())); + if (view->isTransformed()) + view->d_func()->updateRectF(view->viewportTransform().mapRect(rect)); + else + view->d_func()->updateRectF(rect); } } else { d->updatedRects << rect; @@ -3501,10 +3533,12 @@ bool QGraphicsScene::event(QEvent *event) case QEvent::TouchEnd: d->touchEventHandler(static_cast<QTouchEvent *>(event)); break; +#ifndef QT_NO_GESTURES case QEvent::Gesture: case QEvent::GestureOverride: d->gestureEventHandler(static_cast<QGestureEvent *>(event)); break; +#endif // QT_NO_GESTURES default: return QObject::event(event); } @@ -4130,6 +4164,25 @@ void QGraphicsScene::wheelEvent(QGraphicsSceneWheelEvent *wheelEvent) wheelEvent->scenePos(), wheelEvent->widget()); +#ifdef Q_WS_MAC + // On Mac, ignore the event if the first item under the mouse is not the last opened + // popup (or one of its descendant) + if (!d->popupWidgets.isEmpty() && !wheelCandidates.isEmpty() && wheelCandidates.first() != d->popupWidgets.back() && !d->popupWidgets.back()->isAncestorOf(wheelCandidates.first())) { + wheelEvent->accept(); + return; + } +#else + // Find the first popup under the mouse (including the popup's descendants) starting from the last. + // Remove all popups after the one found, or all or them if no popup is under the mouse. + // Then continue with the event. + QList<QGraphicsWidget *>::const_iterator iter = d->popupWidgets.end(); + while (--iter >= d->popupWidgets.begin() && !wheelCandidates.isEmpty()) { + if (wheelCandidates.first() == *iter || (*iter)->isAncestorOf(wheelCandidates.first())) + break; + d->removePopup(*iter); + } +#endif + bool hasSetFocus = false; foreach (QGraphicsItem *item, wheelCandidates) { if (!hasSetFocus && item->isEnabled() @@ -4253,6 +4306,8 @@ static void _q_paintItem(QGraphicsItem *item, QPainter *painter, widgetItem->paintWindowFrame(painter, option, widget); if (painterStateProtection) painter->restore(); + } else if (widgetItem->autoFillBackground()) { + painter->fillRect(option->exposedRect, widgetItem->palette().window()); } widgetItem->paint(painter, option, widget); @@ -4350,11 +4405,6 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte bool pixmapFound; QGraphicsItemCache *itemCache = itemd->extraItemCache(); if (cacheMode == QGraphicsItem::ItemCoordinateCache) { - if (itemCache->boundingRect != brect.toRect()) { - itemCache->boundingRect = brect.toRect(); - itemCache->allExposed = true; - itemCache->exposed.clear(); - } pixmapKey = itemCache->key; } else { pixmapKey = itemCache->deviceData.value(widget).key; @@ -4367,19 +4417,24 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte if (cacheMode == QGraphicsItem::ItemCoordinateCache) { QSize pixmapSize; bool fixedCacheSize = false; - QRectF brectAligned = brect.toAlignedRect(); + QRect br = brect.toAlignedRect(); if ((fixedCacheSize = itemCache->fixedSize.isValid())) { pixmapSize = itemCache->fixedSize; } else { - pixmapSize = brectAligned.size().toSize(); + pixmapSize = br.size(); } // Create or recreate the pixmap. int adjust = itemCache->fixedSize.isValid() ? 0 : 2; QSize adjustSize(adjust*2, adjust*2); - QRectF br = brectAligned.adjusted(-adjust, -adjust, adjust, adjust); + br.adjust(-adjust, -adjust, adjust, adjust); if (pix.isNull() || (!fixedCacheSize && (pixmapSize + adjustSize) != pix.size())) { pix = QPixmap(pixmapSize + adjustSize); + itemCache->boundingRect = br; + itemCache->exposed.clear(); + itemCache->allExposed = true; + } else if (itemCache->boundingRect != br) { + itemCache->boundingRect = br; itemCache->exposed.clear(); itemCache->allExposed = true; } @@ -4433,10 +4488,10 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte // qpixmap-image-transform-pixmap roundtrip. if (newPainterOpacity != oldPainterOpacity) { painter->setOpacity(newPainterOpacity); - painter->drawPixmap(br, pix, QRectF(QPointF(), pix.size())); + painter->drawPixmap(br.topLeft(), pix); painter->setOpacity(oldPainterOpacity); } else { - painter->drawPixmap(br, pix, QRectF(QPointF(), pix.size())); + painter->drawPixmap(br.topLeft(), pix); } return; } @@ -4693,11 +4748,11 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * if (drawItem) { const QRectF brect = adjustedItemEffectiveBoundingRect(item); ENSURE_TRANSFORM_PTR - QRect viewBoundingRect = translateOnlyTransform ? brect.translated(transformPtr->dx(), transformPtr->dy()).toRect() - : transformPtr->mapRect(brect).toRect(); + QRect viewBoundingRect = translateOnlyTransform ? brect.translated(transformPtr->dx(), transformPtr->dy()).toAlignedRect() + : transformPtr->mapRect(brect).toAlignedRect(); + viewBoundingRect.adjust(-rectAdjust, -rectAdjust, rectAdjust, rectAdjust); if (widget) item->d_ptr->paintedViewBoundingRects.insert(widget, viewBoundingRect); - viewBoundingRect.adjust(-1, -1, 1, 1); drawItem = exposedRegion ? exposedRegion->intersects(viewBoundingRect) : !viewBoundingRect.normalized().isEmpty(); if (!drawItem) { @@ -4718,7 +4773,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * if (item->d_ptr->graphicsEffect && item->d_ptr->graphicsEffect->isEnabled()) { ENSURE_TRANSFORM_PTR; QGraphicsItemPaintInfo info(viewTransform, transformPtr, effectTransform, exposedRegion, widget, &styleOptionTmp, - painter, opacity, wasDirtyParentSceneTransform, drawItem); + painter, opacity, wasDirtyParentSceneTransform, itemHasContents && !itemIsFullyTransparent); QGraphicsEffectSource *source = item->d_ptr->graphicsEffect->d_func()->source; QGraphicsItemEffectSourcePrivate *sourced = static_cast<QGraphicsItemEffectSourcePrivate *> (source->d_func()); @@ -4863,6 +4918,24 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b if (updateAll) return; + if (removingItemFromScene && !ignoreOpacity && !item->d_ptr->ignoreOpacity) { + // If any of the item's ancestors ignore opacity, it means that the opacity + // was set to 0 (and the update request has not yet been processed). That + // also means that we have to ignore the opacity for the item itself; otherwise + // things like: parent->setOpacity(0); scene->removeItem(child) won't work. + // Note that we only do this when removing items from the scene. In all other + // cases the ignoreOpacity bit propagates properly in processDirtyItems, but + // since the item is removed immediately it won't be processed there. + QGraphicsItem *p = item->d_ptr->parent; + while (p) { + if (p->d_ptr->ignoreOpacity) { + item->d_ptr->ignoreOpacity = true; + break; + } + p = p->d_ptr->parent; + } + } + if (item->d_ptr->discardUpdateRequest(/*ignoreVisibleBit=*/force, /*ignoreDirtyBit=*/removingItemFromScene || invalidateChildren, /*ignoreOpacity=*/ignoreOpacity)) { @@ -4884,7 +4957,9 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b return; if (!processDirtyItemsEmitted) { - QMetaObject::invokeMethod(q_ptr, "_q_processDirtyItems", Qt::QueuedConnection); + QMetaMethod method = q_ptr->metaObject()->method(processDirtyItemsIndex); + method.invoke(q_ptr, Qt::QueuedConnection); +// QMetaObject::invokeMethod(q_ptr, "_q_processDirtyItems", Qt::QueuedConnection); processDirtyItemsEmitted = true; } @@ -4944,34 +5019,29 @@ static inline bool updateHelper(QGraphicsViewPrivate *view, QGraphicsItemPrivate if (itemIsUntransformable) { const QTransform xform = itemq->deviceTransform(viewq->viewportTransform()); if (!item->hasBoundingRegionGranularity) - return view->updateRect(xform.mapRect(rect).toRect()); - return view->updateRegion(xform.map(QRegion(rect.toRect()))); + return view->updateRectF(xform.mapRect(rect)); + return view->updateRegion(rect, xform); } if (item->sceneTransformTranslateOnly && view->identityMatrix) { const qreal dx = item->sceneTransform.dx(); const qreal dy = item->sceneTransform.dy(); - if (!item->hasBoundingRegionGranularity) { - QRectF r(rect); - r.translate(dx - view->horizontalScroll(), dy - view->verticalScroll()); - return view->updateRect(r.toRect()); - } - QRegion r(rect.toRect()); - r.translate(qRound(dx) - view->horizontalScroll(), qRound(dy) - view->verticalScroll()); - return view->updateRegion(r); + QRectF r(rect); + r.translate(dx - view->horizontalScroll(), dy - view->verticalScroll()); + return view->updateRectF(r); } if (!viewq->isTransformed()) { if (!item->hasBoundingRegionGranularity) - return view->updateRect(item->sceneTransform.mapRect(rect).toRect()); - return view->updateRegion(item->sceneTransform.map(QRegion(rect.toRect()))); + return view->updateRectF(item->sceneTransform.mapRect(rect)); + return view->updateRegion(rect, item->sceneTransform); } QTransform xform = item->sceneTransform; xform *= viewq->viewportTransform(); if (!item->hasBoundingRegionGranularity) - return view->updateRect(xform.mapRect(rect).toRect()); - return view->updateRegion(xform.map(QRegion(rect.toRect()))); + return view->updateRectF(xform.mapRect(rect)); + return view->updateRegion(rect, xform); } void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool dirtyAncestorContainsChildren, @@ -5107,9 +5177,15 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool // Process children. if (itemHasChildren && item->d_ptr->dirtyChildren) { + const bool itemClipsChildrenToShape = item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape; + if (itemClipsChildrenToShape) { + // Make sure child updates are clipped to the item's bounding rect. + for (int i = 0; i < views.size(); ++i) + views.at(i)->d_func()->setUpdateClip(item); + } if (!dirtyAncestorContainsChildren) { dirtyAncestorContainsChildren = item->d_ptr->fullUpdatePending - && (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape); + && itemClipsChildrenToShape; } const bool allChildrenDirty = item->d_ptr->allChildrenDirty; const bool parentIgnoresVisible = item->d_ptr->ignoreVisible; @@ -5132,6 +5208,12 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool } processDirtyItemsRecursive(child, dirtyAncestorContainsChildren, opacity); } + + if (itemClipsChildrenToShape) { + // Reset updateClip. + for (int i = 0; i < views.size(); ++i) + views.at(i)->d_func()->setUpdateClip(0); + } } else if (wasDirtyParentSceneTransform) { item->d_ptr->invalidateChildrenSceneTransform(); } @@ -5187,8 +5269,14 @@ void QGraphicsScene::drawItems(QPainter *painter, // Determine view, expose and flags. QGraphicsView *view = widget ? qobject_cast<QGraphicsView *>(widget->parentWidget()) : 0; QRegion *expose = 0; - if (view) + const quint32 oldRectAdjust = d->rectAdjust; + if (view) { expose = &view->d_func()->exposedRegion; + if (view->d_func()->optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) + d->rectAdjust = 1; + else + d->rectAdjust = 2; + } // Find all toplevels, they are already sorted. QList<QGraphicsItem *> topLevelItems; @@ -5201,6 +5289,7 @@ void QGraphicsScene::drawItems(QPainter *painter, } } + d->rectAdjust = oldRectAdjust; // Reset discovery bits. for (int i = 0; i < topLevelItems.size(); ++i) topLevelItems.at(i)->d_ptr->itemDiscovered = 0; @@ -5577,6 +5666,10 @@ bool QGraphicsScene::sendEvent(QGraphicsItem *item, QEvent *event) void QGraphicsScenePrivate::addView(QGraphicsView *view) { views << view; +#ifndef QT_NO_GESTURES + foreach (Qt::GestureType gesture, grabbedGestures.keys()) + view->viewport()->grabGesture(gesture); +#endif } void QGraphicsScenePrivate::removeView(QGraphicsView *view) @@ -5906,45 +5999,52 @@ void QGraphicsScenePrivate::leaveModal(QGraphicsItem *panel) dispatchHoverEvent(&hoverEvent); } -void QGraphicsScenePrivate::getGestureTargets(const QSet<QGesture *> &gestures, - QWidget *viewport, - QMap<Qt::GestureType, QGesture *> *conflictedGestures, - QList<QList<QGraphicsObject *> > *conflictedItems, - QHash<QGesture *, QGraphicsObject *> *normalGestures) +#ifndef QT_NO_GESTURES +void QGraphicsScenePrivate::gestureTargetsAtHotSpots(const QSet<QGesture *> &gestures, + Qt::GestureFlag flag, + QHash<QGraphicsObject *, QSet<QGesture *> > *targets, + QSet<QGraphicsObject *> *itemsSet, + QSet<QGesture *> *normal, + QSet<QGesture *> *conflicts) { + QSet<QGesture *> normalGestures; // that are not in conflicted state. foreach (QGesture *gesture, gestures) { - Qt::GestureType gestureType = gesture->gestureType(); - if (gesture->hasHotSpot()) { - QPoint screenPos = gesture->hotSpot().toPoint(); - QList<QGraphicsItem *> items = itemsAtPosition(screenPos, QPointF(), viewport); - QList<QGraphicsObject *> result; - for (int j = 0; j < items.size(); ++j) { - QGraphicsItem *item = items.at(j); + if (!gesture->hasHotSpot()) + continue; + const Qt::GestureType gestureType = gesture->gestureType(); + QList<QGraphicsItem *> items = itemsAtPosition(QPoint(), gesture->d_func()->sceneHotSpot, 0); + for (int j = 0; j < items.size(); ++j) { + QGraphicsItem *item = items.at(j); - // Check if the item is blocked by a modal panel and use it as - // a target instead of this item. - (void) item->isBlockedByModalPanel(&item); + // Check if the item is blocked by a modal panel and use it as + // a target instead of this item. + (void) item->isBlockedByModalPanel(&item); - if (QGraphicsObject *itemobj = item->toGraphicsObject()) { - QGraphicsItemPrivate *d = item->d_func(); - if (d->gestureContext.contains(gestureType)) { - result.append(itemobj); + if (QGraphicsObject *itemobj = item->toGraphicsObject()) { + QGraphicsItemPrivate *d = item->QGraphicsItem::d_func(); + QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator it = + d->gestureContext.find(gestureType); + if (it != d->gestureContext.end() && (!flag || (it.value() & flag))) { + if (normalGestures.contains(gesture)) { + normalGestures.remove(gesture); + if (conflicts) + conflicts->insert(gesture); + } else { + normalGestures.insert(gesture); } + if (targets) + (*targets)[itemobj].insert(gesture); + if (itemsSet) + (*itemsSet).insert(itemobj); } - // Don't propagate through panels. - if (item->isPanel()) - break; - } - DEBUG() << "QGraphicsScenePrivate::getGestureTargets:" - << gesture << result; - if (result.size() == 1) { - normalGestures->insert(gesture, result.first()); - } else if (!result.isEmpty()) { - conflictedGestures->insert(gestureType, gesture); - conflictedItems->append(result); } + // Don't propagate through panels. + if (item->isPanel()) + break; } } + if (normal) + *normal = normalGestures; } void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event) @@ -5952,200 +6052,227 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event) QWidget *viewport = event->widget(); if (!viewport) return; + QGraphicsView *graphicsView = qobject_cast<QGraphicsView *>(viewport->parent()); + if (!graphicsView) + return; + QList<QGesture *> allGestures = event->gestures(); DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "Delivering gestures:" << allGestures; - - typedef QHash<QGraphicsObject *, QList<QGesture *> > GesturesPerItem; - GesturesPerItem gesturesPerItem; + << "Gestures:" << allGestures; QSet<QGesture *> startedGestures; + QPoint delta = viewport->mapFromGlobal(QPoint()); + QTransform toScene = QTransform::fromTranslate(delta.x(), delta.y()) + * graphicsView->viewportTransform().inverted(); foreach (QGesture *gesture, allGestures) { + // cache scene coordinates of the hot spot + if (gesture->hasHotSpot()) { + gesture->d_func()->sceneHotSpot = toScene.map(gesture->hotSpot()); + } else { + gesture->d_func()->sceneHotSpot = QPointF(); + } + QGraphicsObject *target = gestureTargets.value(gesture, 0); if (!target) { // when we are not in started mode but don't have a target // then the only one interested in gesture is the view/scene if (gesture->state() == Qt::GestureStarted) startedGestures.insert(gesture); - } else { - gesturesPerItem[target].append(gesture); } } - QMap<Qt::GestureType, QGesture *> conflictedGestures; - QList<QList<QGraphicsObject *> > conflictedItems; - QHash<QGesture *, QGraphicsObject *> normalGestures; - getGestureTargets(startedGestures, viewport, &conflictedGestures, &conflictedItems, - &normalGestures); - DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "Conflicting gestures:" << conflictedGestures.values() << conflictedItems; - Q_ASSERT((conflictedGestures.isEmpty() && conflictedItems.isEmpty()) || - (!conflictedGestures.isEmpty() && !conflictedItems.isEmpty())); - - // gestures that were sent as override events, but no one accepted them - QHash<QGesture *, QGraphicsObject *> ignoredConflictedGestures; - - // deliver conflicted gestures as override events first - while (!conflictedGestures.isEmpty() && !conflictedItems.isEmpty()) { - // get the topmost item to deliver the override event - Q_ASSERT(!conflictedItems.isEmpty()); - Q_ASSERT(!conflictedItems.first().isEmpty()); - QGraphicsObject *topmost = conflictedItems.first().first(); - for (int i = 1; i < conflictedItems.size(); ++i) { - QGraphicsObject *item = conflictedItems.at(i).first(); - if (qt_closestItemFirst(item, topmost)) { - topmost = item; - } - } - // get a list of gestures to send to the item - QList<Qt::GestureType> grabbedGestures = - topmost->QGraphicsItem::d_func()->gestureContext.keys(); - QList<QGesture *> gestures; - for (int i = 0; i < grabbedGestures.size(); ++i) { - if (QGesture *g = conflictedGestures.value(grabbedGestures.at(i), 0)) { - gestures.append(g); - if (!ignoredConflictedGestures.contains(g)) - ignoredConflictedGestures.insert(g, topmost); - } - } - - // send gesture override to the topmost item - QGestureEvent ev(gestures); - ev.t = QEvent::GestureOverride; - ev.setWidget(event->widget()); - // mark event and individual gestures as ignored - ev.ignore(); - foreach(QGesture *g, gestures) - ev.setAccepted(g, false); + if (!startedGestures.isEmpty()) { + QSet<QGesture *> normalGestures; // that have just one target + QSet<QGesture *> conflictedGestures; // that have multiple possible targets + gestureTargetsAtHotSpots(startedGestures, Qt::GestureFlag(0), &cachedItemGestures, 0, + &normalGestures, &conflictedGestures); + cachedTargetItems = cachedItemGestures.keys(); + qSort(cachedTargetItems.begin(), cachedTargetItems.end(), qt_closestItemFirst); DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "delivering override to" - << topmost << gestures; - sendEvent(topmost, &ev); - // mark all accepted gestures to deliver them as normal gesture events - foreach (QGesture *g, gestures) { - if (ev.isAccepted() || ev.isAccepted(g)) { - conflictedGestures.remove(g->gestureType()); - gestureTargets.remove(g); - // add the gesture to the list of normal delivered gestures - normalGestures.insert(g, topmost); + << "Normal gestures:" << normalGestures + << "Conflicting gestures:" << conflictedGestures; + + // deliver conflicted gestures as override events AND remember + // initial gesture targets + if (!conflictedGestures.isEmpty()) { + for (int i = 0; i < cachedTargetItems.size(); ++i) { + QWeakPointer<QGraphicsObject> item = cachedTargetItems.at(i); + + // get gestures to deliver to the current item + QSet<QGesture *> gestures = conflictedGestures & cachedItemGestures.value(item.data()); + if (gestures.isEmpty()) + continue; + DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "override was accepted:" - << g << topmost; - ignoredConflictedGestures.remove(g); + << "delivering override to" + << item.data() << gestures; + // send gesture override + QGestureEvent ev(gestures.toList()); + ev.t = QEvent::GestureOverride; + ev.setWidget(event->widget()); + // mark event and individual gestures as ignored + ev.ignore(); + foreach(QGesture *g, gestures) + ev.setAccepted(g, false); + sendEvent(item.data(), &ev); + // mark all accepted gestures to deliver them as normal gesture events + foreach (QGesture *g, gestures) { + if (ev.isAccepted() || ev.isAccepted(g)) { + conflictedGestures.remove(g); + // mark the item as a gesture target + if (item) { + gestureTargets.insert(g, item.data()); + QHash<QGraphicsObject *, QSet<QGesture *> >::iterator it, e; + it = cachedItemGestures.begin(); + e = cachedItemGestures.end(); + for(; it != e; ++it) + it.value().remove(g); + cachedItemGestures[item.data()].insert(g); + } + DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" + << "override was accepted:" + << g << item.data(); + } + // remember the first item that received the override event + // as it most likely become a target if noone else accepts + // the override event + if (!gestureTargets.contains(g) && item) + gestureTargets.insert(g, item.data()); + + } + if (conflictedGestures.isEmpty()) + break; } } - // remove the item that we've already delivered from the list - for (int i = 0; i < conflictedItems.size(); ) { - QList<QGraphicsObject *> &items = conflictedItems[i]; - if (items.first() == topmost) { - items.removeFirst(); - if (items.isEmpty()) { - conflictedItems.removeAt(i); - continue; + // remember the initial target item for each gesture that was not in + // the conflicted state. + if (!normalGestures.isEmpty()) { + for (int i = 0; i < cachedTargetItems.size() && !normalGestures.isEmpty(); ++i) { + QGraphicsObject *item = cachedTargetItems.at(i); + + // get gestures to deliver to the current item + foreach (QGesture *g, cachedItemGestures.value(item)) { + if (!gestureTargets.contains(g)) { + gestureTargets.insert(g, item); + normalGestures.remove(g); + } } } - ++i; } } - // put back those started gestures that are not in the conflicted state - // and remember their targets - QHash<QGesture *, QGraphicsObject *>::const_iterator it = normalGestures.begin(), - e = normalGestures.end(); - for (; it != e; ++it) { - QGesture *g = it.key(); - QGraphicsObject *receiver = it.value(); - Q_ASSERT(!gestureTargets.contains(g)); - gestureTargets.insert(g, receiver); - gesturesPerItem[receiver].append(g); - } - it = ignoredConflictedGestures.begin(); - e = ignoredConflictedGestures.end(); - for (; it != e; ++it) { - QGesture *g = it.key(); - QGraphicsObject *receiver = it.value(); - Q_ASSERT(!gestureTargets.contains(g)); - gestureTargets.insert(g, receiver); - gesturesPerItem[receiver].append(g); - } - - DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "Started gestures:" << normalGestures.keys() - << "All gestures:" << gesturesPerItem.values(); - - // deliver all events - QList<QGesture *> alreadyIgnoredGestures; - QHash<QGraphicsObject *, QSet<QGesture *> > itemIgnoredGestures; - QList<QGraphicsObject *> targetItems = gesturesPerItem.keys(); - qSort(targetItems.begin(), targetItems.end(), qt_closestItemFirst); - for (int i = 0; i < targetItems.size(); ++i) { - QGraphicsObject *item = targetItems.at(i); - QList<QGesture *> gestures = gesturesPerItem.value(item); - // remove gestures that were already delivered once and were ignored - DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "already ignored gestures for item" - << item << ":" << itemIgnoredGestures.value(item); - - if (itemIgnoredGestures.contains(item)) // don't deliver twice to the same item - continue; - QGraphicsItemPrivate *gid = item->QGraphicsItem::d_func(); - foreach(QGesture *g, alreadyIgnoredGestures) { - QMap<Qt::GestureType, Qt::GestureFlags>::iterator contextit = - gid->gestureContext.find(g->gestureType()); - bool deliver = contextit != gid->gestureContext.end() && - (g->state() == Qt::GestureStarted || - (contextit.value() & Qt::ReceivePartialGestures)); - if (deliver) - gestures += g; + // deliver all gesture events + QSet<QGesture *> undeliveredGestures; + QSet<QGesture *> parentPropagatedGestures; + foreach (QGesture *gesture, allGestures) { + if (QGraphicsObject *target = gestureTargets.value(gesture, 0)) { + cachedItemGestures[target].insert(gesture); + cachedTargetItems.append(target); + undeliveredGestures.insert(gesture); + QGraphicsItemPrivate *d = target->QGraphicsItem::d_func(); + const Qt::GestureFlags flags = d->gestureContext.value(gesture->gestureType()); + if (flags & Qt::IgnoredGesturesPropagateToParent) + parentPropagatedGestures.insert(gesture); + } else { + DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" + << "no target for" << gesture << "at" + << gesture->hotSpot() << gesture->d_func()->sceneHotSpot; } + } + qSort(cachedTargetItems.begin(), cachedTargetItems.end(), qt_closestItemFirst); + for (int i = 0; i < cachedTargetItems.size(); ++i) { + QWeakPointer<QGraphicsObject> receiver = cachedTargetItems.at(i); + QSet<QGesture *> gestures = + undeliveredGestures & cachedItemGestures.value(receiver.data()); + gestures -= cachedAlreadyDeliveredGestures.value(receiver.data()); + if (gestures.isEmpty()) continue; + + cachedAlreadyDeliveredGestures[receiver.data()] += gestures; + const bool isPanel = receiver.data()->isPanel(); + DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" << "delivering to" - << item << gestures; - QGestureEvent ev(gestures); + << receiver.data() << gestures; + QGestureEvent ev(gestures.toList()); ev.setWidget(event->widget()); - sendEvent(item, &ev); + sendEvent(receiver.data(), &ev); QSet<QGesture *> ignoredGestures; foreach (QGesture *g, gestures) { if (!ev.isAccepted() && !ev.isAccepted(g)) { - ignoredGestures.insert(g); + // if the gesture was ignored by its target, we will update the + // targetItems list with a possible target items (items that + // want to receive partial gestures). + // ### wont' work if the target was destroyed in the event + // we will just stop delivering it. + if (receiver && receiver.data() == gestureTargets.value(g, 0)) + ignoredGestures.insert(g); } else { - if (g->state() == Qt::GestureStarted) - gestureTargets[g] = item; + if (receiver && g->state() == Qt::GestureStarted) { + // someone accepted the propagated initial GestureStarted + // event, let it be the new target for all following events. + gestureTargets[g] = receiver.data(); + } + undeliveredGestures.remove(g); } } - if (!ignoredGestures.isEmpty()) { - // get a list of items under the (current) hotspot of each ignored - // gesture and start delivery again from the beginning - DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "item has ignored the event, will propagate." - << item << ignoredGestures; - itemIgnoredGestures[item] += ignoredGestures; - QMap<Qt::GestureType, QGesture *> conflictedGestures; - QList<QList<QGraphicsObject *> > itemsForConflictedGestures; - QHash<QGesture *, QGraphicsObject *> normalGestures; - getGestureTargets(ignoredGestures, viewport, - &conflictedGestures, &itemsForConflictedGestures, - &normalGestures); - QSet<QGraphicsObject *> itemsSet = targetItems.toSet(); - for (int k = 0; k < itemsForConflictedGestures.size(); ++k) - itemsSet += itemsForConflictedGestures.at(k).toSet(); - targetItems = itemsSet.toList(); - qSort(targetItems.begin(), targetItems.end(), qt_closestItemFirst); - alreadyIgnoredGestures = conflictedGestures.values(); + if (undeliveredGestures.isEmpty()) + break; + + // ignoredGestures list is only filled when delivering to the gesture + // target item, so it is safe to assume item == target. + if (!ignoredGestures.isEmpty() && !isPanel) { + // look for new potential targets for gestures that were ignored + // and should be propagated. + + QSet<QGraphicsObject *> targetsSet = cachedTargetItems.toSet(); + + if (receiver) { + // first if the gesture should be propagated to parents only + for (QSet<QGesture *>::iterator it = ignoredGestures.begin(); + it != ignoredGestures.end();) { + if (parentPropagatedGestures.contains(*it)) { + QGesture *gesture = *it; + const Qt::GestureType gestureType = gesture->gestureType(); + QGraphicsItem *item = receiver.data(); + while (item) { + if (QGraphicsObject *obj = item->toGraphicsObject()) { + if (item->d_func()->gestureContext.contains(gestureType)) { + targetsSet.insert(obj); + cachedItemGestures[obj].insert(gesture); + } + } + if (item->isPanel()) + break; + item = item->parentItem(); + } + + it = ignoredGestures.erase(it); + continue; + } + ++it; + } + } + + gestureTargetsAtHotSpots(ignoredGestures, Qt::ReceivePartialGestures, + &cachedItemGestures, &targetsSet, 0, 0); + + cachedTargetItems = targetsSet.toList(); + qSort(cachedTargetItems.begin(), cachedTargetItems.end(), qt_closestItemFirst); DEBUG() << "QGraphicsScenePrivate::gestureEventHandler:" - << "new targets:" << targetItems; + << "new targets:" << cachedTargetItems; i = -1; // start delivery again continue; } } + foreach (QGesture *g, startedGestures) { if (g->gestureCancelPolicy() == QGesture::CancelAllInContext) { DEBUG() << "lets try to cancel some"; // find gestures in context in Qt::GestureStarted or Qt::GestureUpdated state and cancel them - cancelGesturesForChildren(g, event->widget()); + cancelGesturesForChildren(g); } } @@ -6160,13 +6287,18 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event) break; } } + + cachedTargetItems.clear(); + cachedItemGestures.clear(); + cachedAlreadyDeliveredGestures.clear(); } -void QGraphicsScenePrivate::cancelGesturesForChildren(QGesture *original, QWidget *viewport) +void QGraphicsScenePrivate::cancelGesturesForChildren(QGesture *original) { Q_ASSERT(original); QGraphicsItem *originalItem = gestureTargets.value(original); - Q_ASSERT(originalItem); + if (originalItem == 0) // we only act on accepted gestures, which implies it has a target. + return; // iterate over all active gestures and for each find the owner // if the owner is part of our sub-hierarchy, cancel it. @@ -6218,8 +6350,7 @@ void QGraphicsScenePrivate::cancelGesturesForChildren(QGesture *original, QWidge if (!g->hasHotSpot()) continue; - QPoint screenPos = g->hotSpot().toPoint(); - QList<QGraphicsItem *> items = itemsAtPosition(screenPos, QPointF(), viewport); + QList<QGraphicsItem *> items = itemsAtPosition(QPoint(), g->d_func()->sceneHotSpot, 0); for (int j = 0; j < items.size(); ++j) { QGraphicsObject *item = items.at(j)->toGraphicsObject(); if (!item) @@ -6245,6 +6376,28 @@ void QGraphicsScenePrivate::cancelGesturesForChildren(QGesture *original, QWidge } } +void QGraphicsScenePrivate::grabGesture(QGraphicsItem *, Qt::GestureType gesture) +{ + (void)QGestureManager::instance(); // create a gesture manager + if (!grabbedGestures[gesture]++) { + foreach (QGraphicsView *view, views) + view->viewport()->grabGesture(gesture); + } +} + +void QGraphicsScenePrivate::ungrabGesture(QGraphicsItem *item, Qt::GestureType gesture) +{ + // we know this can only be an object + Q_ASSERT(item->d_ptr->isObject); + QGraphicsObject *obj = static_cast<QGraphicsObject *>(item); + QGestureManager::instance()->cleanupCachedGestures(obj, gesture); + if (!--grabbedGestures[gesture]) { + foreach (QGraphicsView *view, views) + view->viewport()->ungrabGesture(gesture); + } +} +#endif // QT_NO_GESTURES + QT_END_NAMESPACE #include "moc_qgraphicsscene.cpp" diff --git a/src/gui/graphicsview/qgraphicsscene.h b/src/gui/graphicsview/qgraphicsscene.h index e5b15ef..f8615f4 100644 --- a/src/gui/graphicsview/qgraphicsscene.h +++ b/src/gui/graphicsview/qgraphicsscene.h @@ -302,6 +302,7 @@ private: Q_PRIVATE_SLOT(d_func(), void _q_updateScenePosDescendants()) friend class QGraphicsItem; friend class QGraphicsItemPrivate; + friend class QGraphicsObject; friend class QGraphicsView; friend class QGraphicsViewPrivate; friend class QGraphicsWidget; @@ -312,7 +313,9 @@ private: friend class QGraphicsSceneBspTreeIndex; friend class QGraphicsSceneBspTreeIndexPrivate; friend class QGraphicsItemEffectSourcePrivate; +#ifndef QT_NO_GESTURES friend class QGesture; +#endif }; Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsScene::SceneLayers) diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h index 04ffe0f..f28dfe9 100644 --- a/src/gui/graphicsview/qgraphicsscene_p.h +++ b/src/gui/graphicsview/qgraphicsscene_p.h @@ -87,7 +87,9 @@ public: static QGraphicsScenePrivate *get(QGraphicsScene *q); - static int changedSignalIndex; + int changedSignalIndex; + int processDirtyItemsIndex; + int polishItemsIndex; QGraphicsScene::ItemIndexMethod indexMethod; QGraphicsSceneIndex *index; @@ -95,24 +97,36 @@ public: int lastItemCount; QRectF sceneRect; - bool hasSceneRect; - bool dirtyGrowingItemsBoundingRect; + + quint32 hasSceneRect : 1; + quint32 dirtyGrowingItemsBoundingRect : 1; + quint32 updateAll : 1; + quint32 calledEmitUpdated : 1; + quint32 processDirtyItemsEmitted : 1; + quint32 needSortTopLevelItems : 1; + quint32 holesInTopLevelSiblingIndex : 1; + quint32 topLevelSequentialOrdering : 1; + quint32 scenePosDescendantsUpdatePending : 1; + quint32 stickyFocus : 1; + quint32 hasFocus : 1; + quint32 lastMouseGrabberItemHasImplicitMouseGrab : 1; + quint32 allItemsIgnoreHoverEvents : 1; + quint32 allItemsUseDefaultCursor : 1; + quint32 painterStateProtection : 1; + quint32 sortCacheEnabled : 1; // for compatibility + quint32 allItemsIgnoreTouchEvents : 1; + quint32 padding : 15; + QRectF growingItemsBoundingRect; void _q_emitUpdated(); QList<QRectF> updatedRects; - bool updateAll; - bool calledEmitUpdated; - bool processDirtyItemsEmitted; QPainterPath selectionArea; int selectionChanging; QSet<QGraphicsItem *> selectedItems; QVector<QGraphicsItem *> unpolishedItems; QList<QGraphicsItem *> topLevelItems; - bool needSortTopLevelItems; - bool holesInTopLevelSiblingIndex; - bool topLevelSequentialOrdering; QMap<QGraphicsItem *, QPointF> movingItemsInitialPositions; void registerTopLevelItem(QGraphicsItem *item); @@ -123,7 +137,6 @@ public: void _q_processDirtyItems(); QSet<QGraphicsItem *> scenePosItems; - bool scenePosDescendantsUpdatePending; void setScenePosItemEnabled(QGraphicsItem *item, bool enabled); void registerScenePosItem(QGraphicsItem *item); void unregisterScenePosItem(QGraphicsItem *item); @@ -134,8 +147,7 @@ public: QBrush backgroundBrush; QBrush foregroundBrush; - bool stickyFocus; - bool hasFocus; + quint32 rectAdjust; QGraphicsItem *focusItem; QGraphicsItem *lastFocusItem; QGraphicsWidget *tabFocusFirst; @@ -151,7 +163,6 @@ public: void removePopup(QGraphicsWidget *widget, bool itemIsDying = false); QGraphicsItem *lastMouseGrabberItem; - bool lastMouseGrabberItemHasImplicitMouseGrab; QList<QGraphicsItem *> mouseGrabberItems; void grabMouse(QGraphicsItem *item, bool implicit = false); void ungrabMouse(QGraphicsItem *item, bool itemIsDying = false); @@ -168,8 +179,6 @@ public: QList<QGraphicsItem *> cachedItemsUnderMouse; QList<QGraphicsItem *> hoverItems; QPointF lastSceneMousePos; - bool allItemsIgnoreHoverEvents; - bool allItemsUseDefaultCursor; void enableMouseTrackingOnViews(); QMap<Qt::MouseButton, QPointF> mouseGrabberButtonDownPos; QMap<Qt::MouseButton, QPointF> mouseGrabberButtonDownScenePos; @@ -183,8 +192,6 @@ public: void addView(QGraphicsView *view); void removeView(QGraphicsView *view); - bool painterStateProtection; - QMultiMap<QGraphicsItem *, QGraphicsItem *> sceneEventFilters; void installSceneEventFilter(QGraphicsItem *watched, QGraphicsItem *filter); void removeSceneEventFilter(QGraphicsItem *watched, QGraphicsItem *filter); @@ -206,8 +213,6 @@ public: void mousePressEventHandler(QGraphicsSceneMouseEvent *mouseEvent); QGraphicsWidget *windowForItem(const QGraphicsItem *item) const; - bool sortCacheEnabled; // for compatibility - void drawItemHelper(QGraphicsItem *item, QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget, bool painterStateProtection); @@ -291,16 +296,25 @@ public: int findClosestTouchPointId(const QPointF &scenePos); void touchEventHandler(QTouchEvent *touchEvent); bool sendTouchBeginEvent(QGraphicsItem *item, QTouchEvent *touchEvent); - bool allItemsIgnoreTouchEvents; void enableTouchEventsOnViews(); + QList<QGraphicsObject *> cachedTargetItems; +#ifndef QT_NO_GESTURES + QHash<QGraphicsObject *, QSet<QGesture *> > cachedItemGestures; + QHash<QGraphicsObject *, QSet<QGesture *> > cachedAlreadyDeliveredGestures; QHash<QGesture *, QGraphicsObject *> gestureTargets; + QHash<Qt::GestureType, int> grabbedGestures; void gestureEventHandler(QGestureEvent *event); - void getGestureTargets(const QSet<QGesture *> &gestures, QWidget *viewport, - QMap<Qt::GestureType, QGesture *> *conflictedGestures, - QList<QList<QGraphicsObject *> > *conflictedItems, - QHash<QGesture *, QGraphicsObject *> *normalGestures); - void cancelGesturesForChildren(QGesture *original, QWidget *viewport); + void gestureTargetsAtHotSpots(const QSet<QGesture *> &gestures, + Qt::GestureFlag flag, + QHash<QGraphicsObject *, QSet<QGesture *> > *targets, + QSet<QGraphicsObject *> *itemsSet = 0, + QSet<QGesture *> *normal = 0, + QSet<QGesture *> *conflicts = 0); + void cancelGesturesForChildren(QGesture *original); + void grabGesture(QGraphicsItem *, Qt::GestureType gesture); + void ungrabGesture(QGraphicsItem *, Qt::GestureType gesture); +#endif // QT_NO_GESTURES void updateInputMethodSensitivityInViews(); diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp index a767987..0674610 100644 --- a/src/gui/graphicsview/qgraphicsview.cpp +++ b/src/gui/graphicsview/qgraphicsview.cpp @@ -53,7 +53,7 @@ static const int QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503; // largest prime < QGraphicsView visualizes the contents of a QGraphicsScene in a scrollable viewport. To create a scene with geometrical items, see QGraphicsScene's - documentation. QGraphicsView is part of \l{The Graphics View Framework}. + documentation. QGraphicsView is part of the \l{Graphics View Framework}. To visualize a scene, you start by constructing a QGraphicsView object, passing the address of the scene you want to visualize to QGraphicsView's @@ -327,16 +327,21 @@ QGraphicsViewPrivate::QGraphicsViewPrivate() dragMode(QGraphicsView::NoDrag), sceneInteractionAllowed(true), hasSceneRect(false), connectedToScene(false), - mousePressButton(Qt::NoButton), + useLastMouseEvent(false), identityMatrix(true), dirtyScroll(true), accelerateScrolling(true), + keepLastCenterPoint(true), + transforming(false), + handScrolling(false), + mustAllocateStyleOptions(false), + mustResizeBackgroundPixmap(true), + fullUpdatePending(true), + hasUpdateClip(false), + mousePressButton(Qt::NoButton), leftIndent(0), topIndent(0), lastMouseEvent(QEvent::None, QPoint(), Qt::NoButton, 0, 0), - useLastMouseEvent(false), - keepLastCenterPoint(true), alignment(Qt::AlignCenter), - transforming(false), transformationAnchor(QGraphicsView::AnchorViewCenter), resizeAnchor(QGraphicsView::NoAnchor), viewportUpdateMode(QGraphicsView::MinimalViewportUpdate), optimizationFlags(0), @@ -345,14 +350,11 @@ QGraphicsViewPrivate::QGraphicsViewPrivate() rubberBanding(false), rubberBandSelectionMode(Qt::IntersectsItemShape), #endif - handScrolling(false), handScrollMotions(0), cacheMode(0), - mustAllocateStyleOptions(false), - mustResizeBackgroundPixmap(true), + handScrollMotions(0), cacheMode(0), #ifndef QT_NO_CURSOR hasStoredOriginalCursor(false), #endif lastDragDropEvent(0), - fullUpdatePending(true), updateSceneSlotReimplementedChecked(false) { styleOptions.reserve(QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS); @@ -733,11 +735,13 @@ void QGraphicsViewPrivate::_q_unsetViewportCursor() } // Restore the original viewport cursor. - hasStoredOriginalCursor = false; - if (dragMode == QGraphicsView::ScrollHandDrag) - viewport->setCursor(Qt::OpenHandCursor); - else - viewport->setCursor(originalCursor); + if (hasStoredOriginalCursor) { + hasStoredOriginalCursor = false; + if (dragMode == QGraphicsView::ScrollHandDrag) + viewport->setCursor(Qt::OpenHandCursor); + else + viewport->setCursor(originalCursor); + } } #endif @@ -852,10 +856,7 @@ void QGraphicsViewPrivate::processPendingUpdates() if (fullUpdatePending) { viewport->update(); } else if (viewportUpdateMode == QGraphicsView::BoundingRectViewportUpdate) { - if (optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) - viewport->update(dirtyBoundingRect.adjusted(-1, -1, 1, 1)); - else - viewport->update(dirtyBoundingRect.adjusted(-2, -2, 2, 2)); + viewport->update(dirtyBoundingRect); } else { viewport->update(dirtyRegion); // Already adjusted in updateRect/Region. } @@ -880,46 +881,92 @@ static inline void QRect_unite(QRect *rect, const QRect &other) } } -bool QGraphicsViewPrivate::updateRegion(const QRegion &r) +/* + Calling this function results in update rects being clipped to the item's + bounding rect. Note that updates prior to this function call is not clipped. + The clip is removed by passing 0. +*/ +void QGraphicsViewPrivate::setUpdateClip(QGraphicsItem *item) { - if (fullUpdatePending || viewportUpdateMode == QGraphicsView::NoViewportUpdate || r.isEmpty()) - return false; + Q_Q(QGraphicsView); + // We simply ignore the request if the update mode is either FullViewportUpdate + // or NoViewportUpdate; in that case there's no point in clipping anything. + if (!item || viewportUpdateMode == QGraphicsView::NoViewportUpdate + || viewportUpdateMode == QGraphicsView::FullViewportUpdate) { + hasUpdateClip = false; + return; + } - const QRect boundingRect = r.boundingRect(); - if (!intersectsViewport(boundingRect, viewport->width(), viewport->height())) - return false; // Update region outside viewport. + // Calculate the clip (item's bounding rect in view coordinates). + // Optimized version of: + // QRect clip = item->deviceTransform(q->viewportTransform()) + // .mapRect(item->boundingRect()).toAlignedRect(); + QRect clip; + if (item->d_ptr->itemIsUntransformable()) { + QTransform xform = item->deviceTransform(q->viewportTransform()); + clip = xform.mapRect(item->boundingRect()).toAlignedRect(); + } else if (item->d_ptr->sceneTransformTranslateOnly && identityMatrix) { + QRectF r(item->boundingRect()); + r.translate(item->d_ptr->sceneTransform.dx() - horizontalScroll(), + item->d_ptr->sceneTransform.dy() - verticalScroll()); + clip = r.toAlignedRect(); + } else if (!q->isTransformed()) { + clip = item->d_ptr->sceneTransform.mapRect(item->boundingRect()).toAlignedRect(); + } else { + QTransform xform = item->d_ptr->sceneTransform; + xform *= q->viewportTransform(); + clip = xform.mapRect(item->boundingRect()).toAlignedRect(); + } - switch (viewportUpdateMode) { - case QGraphicsView::FullViewportUpdate: - fullUpdatePending = true; - viewport->update(); - break; - case QGraphicsView::BoundingRectViewportUpdate: - QRect_unite(&dirtyBoundingRect, boundingRect); - if (containsViewport(dirtyBoundingRect, viewport->width(), viewport->height())) { - fullUpdatePending = true; - viewport->update(); - } - break; - case QGraphicsView::SmartViewportUpdate: // ### DEPRECATE - case QGraphicsView::MinimalViewportUpdate: - { - const QVector<QRect> &rects = r.rects(); - for (int i = 0; i < rects.size(); ++i) { - if (optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) - dirtyRegion += rects.at(i).adjusted(-1, -1, 1, 1); - else - dirtyRegion += rects.at(i).adjusted(-2, -2, 2, 2); - } - break; + if (hasUpdateClip) { + // Intersect with old clip. + updateClip &= clip; + } else { + updateClip = clip; + hasUpdateClip = true; } - default: - break; +} + +bool QGraphicsViewPrivate::updateRegion(const QRectF &rect, const QTransform &xform) +{ + if (rect.isEmpty()) + return false; + + if (viewportUpdateMode != QGraphicsView::MinimalViewportUpdate + && viewportUpdateMode != QGraphicsView::SmartViewportUpdate) { + // No point in updating with QRegion granularity; use the rect instead. + return updateRectF(xform.mapRect(rect)); + } + + // Update mode is either Minimal or Smart, so we have to do a potentially slow operation, + // which is clearly documented here: QGraphicsItem::setBoundingRegionGranularity. + const QRegion region = xform.map(QRegion(rect.toAlignedRect())); + QRect viewRect = region.boundingRect(); + const bool dontAdjustForAntialiasing = optimizationFlags & QGraphicsView::DontAdjustForAntialiasing; + if (dontAdjustForAntialiasing) + viewRect.adjust(-1, -1, 1, 1); + else + viewRect.adjust(-2, -2, 2, 2); + if (!intersectsViewport(viewRect, viewport->width(), viewport->height())) + return false; // Update region for sure outside viewport. + + const QVector<QRect> &rects = region.rects(); + for (int i = 0; i < rects.size(); ++i) { + viewRect = rects.at(i); + if (dontAdjustForAntialiasing) + viewRect.adjust(-1, -1, 1, 1); + else + viewRect.adjust(-2, -2, 2, 2); + if (hasUpdateClip) + viewRect &= updateClip; + dirtyRegion += viewRect; } return true; } +// NB! Assumes the rect 'r' is already aligned and adjusted for antialiasing. +// For QRectF use updateRectF(const QRectF &) to ensure proper adjustments. bool QGraphicsViewPrivate::updateRect(const QRect &r) { if (fullUpdatePending || viewportUpdateMode == QGraphicsView::NoViewportUpdate @@ -933,7 +980,10 @@ bool QGraphicsViewPrivate::updateRect(const QRect &r) viewport->update(); break; case QGraphicsView::BoundingRectViewportUpdate: - QRect_unite(&dirtyBoundingRect, r); + if (hasUpdateClip) + QRect_unite(&dirtyBoundingRect, r & updateClip); + else + QRect_unite(&dirtyBoundingRect, r); if (containsViewport(dirtyBoundingRect, viewport->width(), viewport->height())) { fullUpdatePending = true; viewport->update(); @@ -941,10 +991,10 @@ bool QGraphicsViewPrivate::updateRect(const QRect &r) break; case QGraphicsView::SmartViewportUpdate: // ### DEPRECATE case QGraphicsView::MinimalViewportUpdate: - if (optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) - dirtyRegion += r.adjusted(-1, -1, 1, 1); + if (hasUpdateClip) + dirtyRegion += r & updateClip; else - dirtyRegion += r.adjusted(-2, -2, 2, 2); + dirtyRegion += r; break; default: break; @@ -1035,10 +1085,28 @@ QList<QGraphicsItem *> QGraphicsViewPrivate::findItems(const QRegion &exposedReg void QGraphicsViewPrivate::updateInputMethodSensitivity() { Q_Q(QGraphicsView); - bool enabled = scene && scene->focusItem() - && (scene->focusItem()->flags() & QGraphicsItem::ItemAcceptsInputMethod); + QGraphicsItem *focusItem = 0; + bool enabled = scene && (focusItem = scene->focusItem()) + && (focusItem->d_ptr->flags & QGraphicsItem::ItemAcceptsInputMethod); q->setAttribute(Qt::WA_InputMethodEnabled, enabled); q->viewport()->setAttribute(Qt::WA_InputMethodEnabled, enabled); + + if (!enabled) { + q->setInputMethodHints(0); + return; + } + + QGraphicsProxyWidget *proxy = focusItem->d_ptr->isWidget && focusItem->d_ptr->isProxyWidget() + ? static_cast<QGraphicsProxyWidget *>(focusItem) : 0; + if (!proxy) { + q->setInputMethodHints(focusItem->inputMethodHints()); + } else if (QWidget *widget = proxy->widget()) { + if (QWidget *fw = widget->focusWidget()) + widget = fw; + q->setInputMethodHints(widget->inputMethodHints()); + } else { + q->setInputMethodHints(0); + } } /*! @@ -1807,8 +1875,6 @@ void QGraphicsView::centerOn(const QGraphicsItem *item) void QGraphicsView::ensureVisible(const QRectF &rect, int xmargin, int ymargin) { Q_D(QGraphicsView); - Q_UNUSED(xmargin); - Q_UNUSED(ymargin); qreal width = viewport()->width(); qreal height = viewport()->height(); QRectF viewRect = d->matrix.mapRect(rect); @@ -2622,6 +2688,13 @@ void QGraphicsView::setupViewport(QWidget *widget) if (d->scene && !d->scene->d_func()->allItemsIgnoreTouchEvents) widget->setAttribute(Qt::WA_AcceptTouchEvents); +#ifndef QT_NO_GESTURES + if (d->scene) { + foreach (Qt::GestureType gesture, d->scene->d_func()->grabbedGestures.keys()) + widget->grabGesture(gesture); + } +#endif + widget->setAcceptDrops(acceptDrops()); } @@ -2767,6 +2840,7 @@ bool QGraphicsView::viewportEvent(QEvent *event) return true; } +#ifndef QT_NO_GESTURES case QEvent::Gesture: case QEvent::GestureOverride: { @@ -2780,6 +2854,7 @@ bool QGraphicsView::viewportEvent(QEvent *event) } return true; } +#endif // QT_NO_GESTURES default: break; } @@ -3383,8 +3458,14 @@ void QGraphicsView::paintEvent(QPaintEvent *event) // Items if (!(d->optimizationFlags & IndirectPainting)) { + const quint32 oldRectAdjust = d->scene->d_func()->rectAdjust; + if (d->optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) + d->scene->d_func()->rectAdjust = 1; + else + d->scene->d_func()->rectAdjust = 2; d->scene->d_func()->drawItems(&painter, viewTransformed ? &viewTransform : 0, &d->exposedRegion, viewport()); + d->scene->d_func()->rectAdjust = oldRectAdjust; // Make sure the painter's world transform is restored correctly when // drawing without painter state protection (DontSavePainterState). // We only change the worldTransform() so there's no need to do a full-blown diff --git a/src/gui/graphicsview/qgraphicsview_p.h b/src/gui/graphicsview/qgraphicsview_p.h index 1c66d07..7bd9ecb 100644 --- a/src/gui/graphicsview/qgraphicsview_p.h +++ b/src/gui/graphicsview/qgraphicsview_p.h @@ -65,7 +65,7 @@ QT_BEGIN_NAMESPACE -class Q_AUTOTEST_EXPORT QGraphicsViewPrivate : public QAbstractScrollAreaPrivate +class Q_GUI_EXPORT QGraphicsViewPrivate : public QAbstractScrollAreaPrivate { Q_DECLARE_PUBLIC(QGraphicsView) public: @@ -77,11 +77,25 @@ public: QPainter::RenderHints renderHints; QGraphicsView::DragMode dragMode; - bool sceneInteractionAllowed; + + quint32 sceneInteractionAllowed : 1; + quint32 hasSceneRect : 1; + quint32 connectedToScene : 1; + quint32 useLastMouseEvent : 1; + quint32 identityMatrix : 1; + quint32 dirtyScroll : 1; + quint32 accelerateScrolling : 1; + quint32 keepLastCenterPoint : 1; + quint32 transforming : 1; + quint32 handScrolling : 1; + quint32 mustAllocateStyleOptions : 1; + quint32 mustResizeBackgroundPixmap : 1; + quint32 fullUpdatePending : 1; + quint32 hasUpdateClip : 1; + quint32 padding : 18; + QRectF sceneRect; - bool hasSceneRect; void updateLastCenterPoint(); - bool connectedToScene; qint64 horizontalScroll() const; qint64 verticalScroll() const; @@ -89,6 +103,7 @@ public: QRectF mapRectToScene(const QRect &rect) const; QRectF mapRectFromScene(const QRectF &rect) const; + QRect updateClip; QPointF mousePressItemPoint; QPointF mousePressScenePoint; QPoint mousePressViewPoint; @@ -98,26 +113,20 @@ public: QPoint dirtyScrollOffset; Qt::MouseButton mousePressButton; QTransform matrix; - bool identityMatrix; qint64 scrollX, scrollY; - bool dirtyScroll; void updateScroll(); - bool accelerateScrolling; qreal leftIndent; qreal topIndent; // Replaying mouse events QMouseEvent lastMouseEvent; - bool useLastMouseEvent; void replayLastMouseEvent(); void storeMouseEvent(QMouseEvent *event); void mouseMoveEventHandler(QMouseEvent *event); QPointF lastCenterPoint; - bool keepLastCenterPoint; Qt::Alignment alignment; - bool transforming; QGraphicsView::ViewportAnchor transformationAnchor; QGraphicsView::ViewportAnchor resizeAnchor; @@ -131,20 +140,17 @@ public: bool rubberBanding; Qt::ItemSelectionMode rubberBandSelectionMode; #endif - bool handScrolling; int handScrollMotions; QGraphicsView::CacheMode cacheMode; QVector<QStyleOptionGraphicsItem> styleOptions; - bool mustAllocateStyleOptions; QStyleOptionGraphicsItem *allocStyleOptionsArray(int numItems); void freeStyleOptionsArray(QStyleOptionGraphicsItem *array); QBrush backgroundBrush; QBrush foregroundBrush; QPixmap backgroundPixmap; - bool mustResizeBackgroundPixmap; QRegion backgroundPixmapExposed; #ifndef QT_NO_CURSOR @@ -161,7 +167,6 @@ public: QRect mapToViewRect(const QGraphicsItem *item, const QRectF &rect) const; QRegion mapToViewRegion(const QGraphicsItem *item, const QRectF &rect) const; - bool fullUpdatePending; QRegion dirtyRegion; QRect dirtyBoundingRect; void processPendingUpdates(); @@ -192,8 +197,19 @@ public: #endif } + void setUpdateClip(QGraphicsItem *); + + inline bool updateRectF(const QRectF &rect) + { + if (rect.isEmpty()) + return false; + if (optimizationFlags & QGraphicsView::DontAdjustForAntialiasing) + return updateRect(rect.toAlignedRect().adjusted(-1, -1, 1, 1)); + return updateRect(rect.toAlignedRect().adjusted(-2, -2, 2, 2)); + } + bool updateRect(const QRect &rect); - bool updateRegion(const QRegion ®ion); + bool updateRegion(const QRectF &rect, const QTransform &xform); bool updateSceneSlotReimplementedChecked; QRegion exposedRegion; diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp index 3151e76..c486c45 100644 --- a/src/gui/graphicsview/qgraphicswidget.cpp +++ b/src/gui/graphicsview/qgraphicswidget.cpp @@ -324,6 +324,12 @@ void QGraphicsWidget::resize(const QSizeF &size) */ /*! + \fn QGraphicsWidget::geometryChanged() + + This signal gets emitted whenever the geometry is changed in setGeometry(). +*/ + +/*! \property QGraphicsWidget::geometry \brief the geometry of the widget @@ -384,13 +390,17 @@ void QGraphicsWidget::setGeometry(const QRectF &rect) } QSizeF oldSize = size(); QGraphicsLayoutItem::setGeometry(newGeom); - + emit geometryChanged(); // Send resize event bool resized = newGeom.size() != oldSize; if (resized) { QGraphicsSceneResizeEvent re; re.setOldSize(oldSize); re.setNewSize(newGeom.size()); + if (oldSize.width() != newGeom.size().width()) + emit widthChanged(); + if (oldSize.height() != newGeom.size().height()) + emit heightChanged(); QApplication::sendEvent(this, &re); } } @@ -737,6 +747,17 @@ QSizeF QGraphicsWidget::sizeHint(Qt::SizeHint which, const QSizeF &constraint) c } /*! + \property QGraphicsWidget::layout + \brief The layout of the widget +*/ + +/*! + \fn void QGraphicsWidget::layoutChanged() + This signal gets emitted whenever the layout of the item changes + \internal +*/ + +/*! Returns this widget's layout, or 0 if no layout is currently managing this widget. @@ -789,6 +810,7 @@ void QGraphicsWidget::setLayout(QGraphicsLayout *l) l->setParentLayoutItem(this); l->d_func()->reparentChildItems(this); l->invalidate(); + emit layoutChanged(); } /*! @@ -967,6 +989,36 @@ void QGraphicsWidget::setPalette(const QPalette &palette) } /*! + \property QGraphicsWidget::autoFillBackground + \brief whether the widget background is filled automatically + \since 4.7 + + If enabled, this property will cause Qt to fill the background of the + widget before invoking the paint() method. The color used is defined by the + QPalette::Window color role from the widget's \l{QPalette}{palette}. + + In addition, Windows are always filled with QPalette::Window, unless the + WA_OpaquePaintEvent or WA_NoSystemBackground attributes are set. + + By default, this property is false. + + \sa Qt::WA_OpaquePaintEvent, Qt::WA_NoSystemBackground, +*/ +bool QGraphicsWidget::autoFillBackground() const +{ + Q_D(const QGraphicsWidget); + return d->autoFillBackground; +} +void QGraphicsWidget::setAutoFillBackground(bool enabled) +{ + Q_D(QGraphicsWidget); + if (d->autoFillBackground != enabled) { + d->autoFillBackground = enabled; + update(); + } +} + +/*! If this widget is currently managed by a layout, this function notifies the layout that the widget's size hints have changed and the layout may need to resize and reposition the widget accordingly. @@ -1047,9 +1099,6 @@ QVariant QGraphicsWidget::itemChange(GraphicsItemChange change, const QVariant & d->setGeometryFromSetPos(); break; case ItemParentChange: { - QGraphicsItem *parent = qVariantValue<QGraphicsItem *>(value); - d->fixFocusChainBeforeReparenting((parent && parent->isWidget()) ? static_cast<QGraphicsWidget *>(parent) : 0, scene()); - // Deliver ParentAboutToChange. QEvent event(QEvent::ParentAboutToChange); QApplication::sendEvent(this, &event); diff --git a/src/gui/graphicsview/qgraphicswidget.h b/src/gui/graphicsview/qgraphicswidget.h index f1d382b..a22b642 100644 --- a/src/gui/graphicsview/qgraphicswidget.h +++ b/src/gui/graphicsview/qgraphicswidget.h @@ -73,7 +73,7 @@ class Q_GUI_EXPORT QGraphicsWidget : public QGraphicsObject, public QGraphicsLay Q_PROPERTY(QPalette palette READ palette WRITE setPalette) Q_PROPERTY(QFont font READ font WRITE setFont) Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection) - Q_PROPERTY(QSizeF size READ size WRITE resize) + Q_PROPERTY(QSizeF size READ size WRITE resize NOTIFY geometryChanged) Q_PROPERTY(QSizeF minimumSize READ minimumSize WRITE setMinimumSize) Q_PROPERTY(QSizeF preferredSize READ preferredSize WRITE setPreferredSize) Q_PROPERTY(QSizeF maximumSize READ maximumSize WRITE setMaximumSize) @@ -81,11 +81,12 @@ class Q_GUI_EXPORT QGraphicsWidget : public QGraphicsObject, public QGraphicsLay Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy) Q_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags) Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle) - Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry) + Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry NOTIFY geometryChanged) + Q_PROPERTY(bool autoFillBackground READ autoFillBackground WRITE setAutoFillBackground) + Q_PROPERTY(QGraphicsLayout* layout READ layout WRITE setLayout NOTIFY layoutChanged) public: QGraphicsWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0); ~QGraphicsWidget(); - QGraphicsLayout *layout() const; void setLayout(QGraphicsLayout *layout); void adjustSize(); @@ -103,6 +104,9 @@ public: QPalette palette() const; void setPalette(const QPalette &palette); + bool autoFillBackground() const; + void setAutoFillBackground(bool enabled); + void resize(const QSizeF &size); inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); } QSizeF size() const; @@ -175,6 +179,10 @@ public: using QObject::children; #endif +Q_SIGNALS: + void geometryChanged(); + void layoutChanged(); + public Q_SLOTS: bool close(); diff --git a/src/gui/graphicsview/qgraphicswidget_p.cpp b/src/gui/graphicsview/qgraphicswidget_p.cpp index daa007f..f7850ca 100644 --- a/src/gui/graphicsview/qgraphicswidget_p.cpp +++ b/src/gui/graphicsview/qgraphicswidget_p.cpp @@ -44,6 +44,7 @@ #ifndef QT_NO_GRAPHICSVIEW #include <QtCore/qdebug.h> +#include <QtCore/qnumeric.h> #include "qgraphicswidget_p.h" #include "qgraphicslayout.h" #include "qgraphicsscene_p.h" @@ -70,14 +71,18 @@ void QGraphicsWidgetPrivate::init(QGraphicsItem *parentItem, Qt::WindowFlags wFl adjustWindowFlags(&wFlags); windowFlags = wFlags; - q->setParentItem(parentItem); + if (parentItem) + setParentItemHelper(parentItem, 0, 0); + q->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred, QSizePolicy::DefaultType)); q->setGraphicsItem(q); resolveLayoutDirection(); q->unsetWindowFrameMargins(); - q->setFlag(QGraphicsItem::ItemUsesExtendedStyleOption); - q->setFlag(QGraphicsItem::ItemSendsGeometryChanges); + flags |= QGraphicsItem::ItemUsesExtendedStyleOption; + flags |= QGraphicsItem::ItemSendsGeometryChanges; + if (windowFlags & Qt::Window) + flags |= QGraphicsItem::ItemIsPanel; } qreal QGraphicsWidgetPrivate::titleBarHeight(const QStyleOptionTitleBar &options) const @@ -756,7 +761,7 @@ void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *new QGraphicsWidget *firstOld = 0; bool wasPreviousNew = true; - + while (w != q) { bool isCurrentNew = q->isAncestorOf(w); if (isCurrentNew) { @@ -791,7 +796,7 @@ void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *new newScene = newParent->scene(); if (oldScene && newScene != oldScene) - oldScene->d_func()->tabFocusFirst = firstOld; + oldScene->d_func()->tabFocusFirst = (firstOld && firstOld->scene() == oldScene) ? firstOld : 0; QGraphicsItem *topLevelItem = newParent ? newParent->topLevelItem() : 0; QGraphicsWidget *topLevel = 0; @@ -825,6 +830,56 @@ void QGraphicsWidgetPrivate::setLayout_helper(QGraphicsLayout *l) } } +qreal QGraphicsWidgetPrivate::width() const +{ + Q_Q(const QGraphicsWidget); + return q->geometry().width(); +} + +void QGraphicsWidgetPrivate::setWidth(qreal w) +{ + if (qIsNaN(w)) + return; + Q_Q(QGraphicsWidget); + if (q->geometry().width() == w) + return; + + QRectF oldGeom = q->geometry(); + + q->setGeometry(QRectF(q->x(), q->y(), w, height())); +} + +void QGraphicsWidgetPrivate::resetWidth() +{ + Q_Q(QGraphicsWidget); + q->setGeometry(QRectF(q->x(), q->y(), 0, height())); +} + +qreal QGraphicsWidgetPrivate::height() const +{ + Q_Q(const QGraphicsWidget); + return q->geometry().height(); +} + +void QGraphicsWidgetPrivate::setHeight(qreal h) +{ + if (qIsNaN(h)) + return; + Q_Q(QGraphicsWidget); + if (q->geometry().height() == h) + return; + + QRectF oldGeom = q->geometry(); + + q->setGeometry(QRectF(q->x(), q->y(), width(), h)); +} + +void QGraphicsWidgetPrivate::resetHeight() +{ + Q_Q(QGraphicsWidget); + q->setGeometry(QRectF(q->x(), q->y(), width(), 0)); +} + void QGraphicsWidgetPrivate::setGeometryFromSetPos() { if (inSetGeometry) diff --git a/src/gui/graphicsview/qgraphicswidget_p.h b/src/gui/graphicsview/qgraphicswidget_p.h index 140bc0e..e9e6fc2 100644 --- a/src/gui/graphicsview/qgraphicswidget_p.h +++ b/src/gui/graphicsview/qgraphicswidget_p.h @@ -80,6 +80,7 @@ public: inSetGeometry(0), polished(0), inSetPos(0), + autoFillBackground(0), focusPolicy(Qt::NoFocus), focusNext(0), focusPrev(0), @@ -130,6 +131,14 @@ public: void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event); bool hasDecoration() const; + // Private Properties + qreal width() const; + void setWidth(qreal); + void resetWidth(); + + qreal height() const; + void setHeight(qreal); + void resetHeight(); void setGeometryFromSetPos(); // State @@ -174,6 +183,7 @@ public: quint32 inSetGeometry : 1; quint32 polished: 1; quint32 inSetPos : 1; + quint32 autoFillBackground : 1; // Focus Qt::FocusPolicy focusPolicy; diff --git a/src/gui/graphicsview/qgridlayoutengine_p.h b/src/gui/graphicsview/qgridlayoutengine_p.h index cbf704e..9ac9a8e 100644 --- a/src/gui/graphicsview/qgridlayoutengine_p.h +++ b/src/gui/graphicsview/qgridlayoutengine_p.h @@ -363,8 +363,8 @@ public: QGridLayoutItem *itemAt(int row, int column, Qt::Orientation orientation = Qt::Vertical) const; inline void insertRow(int row, Qt::Orientation orientation = Qt::Vertical) { insertOrRemoveRows(row, +1, orientation); } - inline void removeRow(int row, Qt::Orientation orientation = Qt::Vertical) - { insertOrRemoveRows(row, -1, orientation); } + inline void removeRows(int row, int count, Qt::Orientation orientation) + { insertOrRemoveRows(row, -count, orientation); } void invalidate(); void setGeometries(const QLayoutStyleInfo &styleInfo, const QRectF &contentsGeometry); |