summaryrefslogtreecommitdiffstats
path: root/src/gui/graphicsview
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/graphicsview')
-rw-r--r--src/gui/graphicsview/qgraphicsitem.cpp59
-rw-r--r--src/gui/graphicsview/qgraphicsitem_p.h2
-rw-r--r--src/gui/graphicsview/qgraphicslayout.cpp4
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp11
-rw-r--r--src/gui/graphicsview/qgraphicsview.cpp26
-rw-r--r--src/gui/graphicsview/qgraphicsview.h1
-rw-r--r--src/gui/graphicsview/qgraphicsview_p.h3
-rw-r--r--src/gui/graphicsview/qgraphicswidget.cpp2
-rw-r--r--src/gui/graphicsview/qgraphicswidget_p.cpp4
-rw-r--r--src/gui/graphicsview/qgraphicswidget_p.h2
10 files changed, 96 insertions, 18 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 90cc132..c879c5c 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -2584,6 +2584,35 @@ void QGraphicsItem::setGraphicsEffect(QGraphicsEffect *effect)
/*!
\internal
\since 4.6
+ Returns the effective bounding rect of the given item space rect.
+ If the item has no effect, the rect is returned unmodified.
+ If the item has an effect, the effective rect can be extend beyond the
+ item's bounding rect, depending on the effect.
+
+ \sa boundingRect()
+*/
+QRectF QGraphicsItemPrivate::effectiveBoundingRect(const QRectF &rect) const
+{
+#ifndef QT_NO_GRAPHICSEFFECT
+ Q_Q(const QGraphicsItem);
+ QGraphicsEffect *effect = graphicsEffect;
+ if (scene && effect && effect->isEnabled()) {
+ QRectF sceneRect = q->mapRectToScene(rect);
+ QRectF sceneEffectRect;
+ foreach (QGraphicsView *view, scene->views()) {
+ QRectF deviceRect = view->d_func()->mapRectFromScene(sceneRect);
+ QRect deviceEffectRect = effect->boundingRectFor(deviceRect).toAlignedRect();
+ sceneEffectRect |= view->d_func()->mapRectToScene(deviceEffectRect);
+ }
+ return q->mapRectFromScene(sceneEffectRect);
+ }
+#endif //QT_NO_GRAPHICSEFFECT
+ return rect;
+}
+
+/*!
+ \internal
+ \since 4.6
Returns the effective bounding rect of the item.
If the item has no effect, this is the same as the item's bounding rect.
If the item has an effect, the effective rect can be larger than the item's
@@ -2594,16 +2623,19 @@ void QGraphicsItem::setGraphicsEffect(QGraphicsEffect *effect)
QRectF QGraphicsItemPrivate::effectiveBoundingRect() const
{
#ifndef QT_NO_GRAPHICSEFFECT
- QGraphicsEffect *effect = graphicsEffect;
- QRectF brect = effect && effect->isEnabled() ? effect->boundingRect() : q_ptr->boundingRect();
+ Q_Q(const QGraphicsItem);
+ QRectF brect = effectiveBoundingRect(q_ptr->boundingRect());
if (ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren)
return brect;
const QGraphicsItem *effectParent = parent;
while (effectParent) {
- effect = effectParent->d_ptr->graphicsEffect;
- if (effect && effect->isEnabled())
- brect = effect->boundingRectFor(brect);
+ QGraphicsEffect *effect = effectParent->d_ptr->graphicsEffect;
+ if (scene && effect && effect->isEnabled()) {
+ const QRectF brectInParentSpace = q->mapRectToItem(effectParent, brect);
+ const QRectF effectRectInParentSpace = effectParent->d_ptr->effectiveBoundingRect(brectInParentSpace);
+ brect = effectParent->mapRectToItem(q, effectRectInParentSpace);
+ }
if (effectParent->d_ptr->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren)
return brect;
effectParent = effectParent->d_ptr->parent;
@@ -10649,17 +10681,26 @@ QPixmap QGraphicsItemEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QP
QGraphicsScenePrivate *scened = item->d_ptr->scene->d_func();
const QRectF sourceRect = boundingRect(system);
- QRect effectRect;
+ QRectF effectRectF;
if (mode == QGraphicsEffect::PadToEffectiveBoundingRect) {
- effectRect = item->graphicsEffect()->boundingRectFor(sourceRect).toAlignedRect();
+ if (info) {
+ effectRectF = item->graphicsEffect()->boundingRectFor(boundingRect(Qt::DeviceCoordinates));
+ if (info && system == Qt::LogicalCoordinates)
+ effectRectF = info->painter->worldTransform().inverted().mapRect(effectRectF);
+ } else {
+ // no choice but to send a logical coordinate bounding rect to boundingRectFor
+ effectRectF = item->graphicsEffect()->boundingRectFor(sourceRect);
+ }
} else if (mode == QGraphicsEffect::PadToTransparentBorder) {
// adjust by 1.5 to account for cosmetic pens
- effectRect = sourceRect.adjusted(-1.5, -1.5, 1.5, 1.5).toAlignedRect();
+ effectRectF = sourceRect.adjusted(-1.5, -1.5, 1.5, 1.5);
} else {
- effectRect = sourceRect.toAlignedRect();
+ effectRectF = sourceRect;
}
+ QRect effectRect = effectRectF.toAlignedRect();
+
if (offset)
*offset = effectRect.topLeft();
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 8f9fe54..2d8de65 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -236,6 +236,8 @@ public:
QRectF effectiveBoundingRect() const;
QRectF sceneEffectiveBoundingRect() const;
+ QRectF effectiveBoundingRect(const QRectF &rect) const;
+
virtual void resolveFont(uint inheritedMask)
{
for (int i = 0; i < children.size(); ++i)
diff --git a/src/gui/graphicsview/qgraphicslayout.cpp b/src/gui/graphicsview/qgraphicslayout.cpp
index 2e9a30c..1e426c8 100644
--- a/src/gui/graphicsview/qgraphicslayout.cpp
+++ b/src/gui/graphicsview/qgraphicslayout.cpp
@@ -148,6 +148,10 @@ QT_BEGIN_NAMESPACE
\a parent is passed to QGraphicsLayoutItem's constructor and the
QGraphicsLayoutItem's isLayout argument is set to \e true.
+
+ If \a parent is a QGraphicsWidget the layout will be installed
+ on that widget. (Note that installing a layout will delete the old one
+ installed.)
*/
QGraphicsLayout::QGraphicsLayout(QGraphicsLayoutItem *parent)
: QGraphicsLayoutItem(*new QGraphicsLayoutPrivate)
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 27ebb79..2af90b8 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -569,14 +569,10 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
item->d_ptr->clearSubFocus();
- if (!item->d_ptr->inDestructor && item == tabFocusFirst) {
- QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item);
- widget->d_func()->fixFocusChainBeforeReparenting(0, 0);
- }
-
if (item->flags() & QGraphicsItem::ItemSendsScenePositionChanges)
unregisterScenePosItem(item);
+ QGraphicsScene *oldScene = item->d_func()->scene;
item->d_func()->scene = 0;
//We need to remove all children first because they might use their parent
@@ -587,6 +583,11 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
q->removeItem(item->d_ptr->children.at(i));
}
+ if (!item->d_ptr->inDestructor && item == tabFocusFirst) {
+ QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item);
+ widget->d_func()->fixFocusChainBeforeReparenting(0, oldScene, 0);
+ }
+
// Unregister focus proxy.
item->d_ptr->resetFocusProxy();
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index 3f9f443..ffe64aa 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -545,6 +545,32 @@ qint64 QGraphicsViewPrivate::verticalScroll() const
/*!
\internal
+
+ Maps the given rectangle to the scene using QTransform::mapRect()
+*/
+QRectF QGraphicsViewPrivate::mapRectToScene(const QRect &rect) const
+{
+ if (dirtyScroll)
+ const_cast<QGraphicsViewPrivate *>(this)->updateScroll();
+ QRectF scrolled = QRectF(rect.translated(scrollX, scrollY));
+ return identityMatrix ? scrolled : matrix.inverted().mapRect(scrolled);
+}
+
+
+/*!
+ \internal
+
+ Maps the given rectangle from the scene using QTransform::mapRect()
+*/
+QRectF QGraphicsViewPrivate::mapRectFromScene(const QRectF &rect) const
+{
+ if (dirtyScroll)
+ const_cast<QGraphicsViewPrivate *>(this)->updateScroll();
+ return (identityMatrix ? rect : matrix.mapRect(rect)).translated(-scrollX, -scrollY);
+}
+
+/*!
+ \internal
*/
void QGraphicsViewPrivate::updateScroll()
{
diff --git a/src/gui/graphicsview/qgraphicsview.h b/src/gui/graphicsview/qgraphicsview.h
index 2aed0e6..90576e5 100644
--- a/src/gui/graphicsview/qgraphicsview.h
+++ b/src/gui/graphicsview/qgraphicsview.h
@@ -278,6 +278,7 @@ private:
friend class QGraphicsSceneWidget;
friend class QGraphicsScene;
friend class QGraphicsScenePrivate;
+ friend class QGraphicsItemPrivate;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsView::CacheMode)
diff --git a/src/gui/graphicsview/qgraphicsview_p.h b/src/gui/graphicsview/qgraphicsview_p.h
index cd161ad..d4b718e 100644
--- a/src/gui/graphicsview/qgraphicsview_p.h
+++ b/src/gui/graphicsview/qgraphicsview_p.h
@@ -86,6 +86,9 @@ public:
qint64 horizontalScroll() const;
qint64 verticalScroll() const;
+ QRectF mapRectToScene(const QRect &rect) const;
+ QRectF mapRectFromScene(const QRectF &rect) const;
+
QPointF mousePressItemPoint;
QPointF mousePressScenePoint;
QPoint mousePressViewPoint;
diff --git a/src/gui/graphicsview/qgraphicswidget.cpp b/src/gui/graphicsview/qgraphicswidget.cpp
index fe569f4..8de81c2 100644
--- a/src/gui/graphicsview/qgraphicswidget.cpp
+++ b/src/gui/graphicsview/qgraphicswidget.cpp
@@ -1054,7 +1054,7 @@ QVariant QGraphicsWidget::itemChange(GraphicsItemChange change, const QVariant &
break;
case ItemParentChange: {
QGraphicsItem *parent = qVariantValue<QGraphicsItem *>(value);
- d->fixFocusChainBeforeReparenting((parent && parent->isWidget()) ? static_cast<QGraphicsWidget *>(parent) : 0);
+ d->fixFocusChainBeforeReparenting((parent && parent->isWidget()) ? static_cast<QGraphicsWidget *>(parent) : 0, scene());
// Deliver ParentAboutToChange.
QEvent event(QEvent::ParentAboutToChange);
diff --git a/src/gui/graphicsview/qgraphicswidget_p.cpp b/src/gui/graphicsview/qgraphicswidget_p.cpp
index b747a30..5b6490f 100644
--- a/src/gui/graphicsview/qgraphicswidget_p.cpp
+++ b/src/gui/graphicsview/qgraphicswidget_p.cpp
@@ -743,7 +743,7 @@ bool QGraphicsWidgetPrivate::hasDecoration() const
/**
* is called after a reparent has taken place to fix up the focus chain(s)
*/
-void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene)
+void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene)
{
Q_Q(QGraphicsWidget);
@@ -789,7 +789,7 @@ void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *new
// update tabFocusFirst for oldScene if the item is going to be removed from oldScene
if (newParent)
newScene = newParent->scene();
- QGraphicsScene *oldScene = q->scene();
+
if (oldScene && newScene != oldScene)
oldScene->d_func()->tabFocusFirst = firstOld;
diff --git a/src/gui/graphicsview/qgraphicswidget_p.h b/src/gui/graphicsview/qgraphicswidget_p.h
index eb53649..65e6962 100644
--- a/src/gui/graphicsview/qgraphicswidget_p.h
+++ b/src/gui/graphicsview/qgraphicswidget_p.h
@@ -98,7 +98,7 @@ public:
mutable qreal *margins;
void ensureMargins() const;
- void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene = 0);
+ void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene = 0);
void setLayout_helper(QGraphicsLayout *l);
// Layouts
generated by cgit v0.12 at 2025-01-06 21:46:49 (GMT)