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-rw-r--r--src/gui/graphicsview/qgraphicsitem_p.h3
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp116
2 files changed, 67 insertions, 52 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index f5c3505..3e4c269 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -264,6 +264,9 @@ public:
&& qFuzzyCompare(q_func()->effectiveOpacity() + 1, qreal(1.0)));
}
+ inline bool isClippedAway() const
+ { return !dirtyClipPath && q_func()->isClipped() && (emptyClipPath || cachedClipPath.isEmpty()); }
+
QPainterPath cachedClipPath;
QPointF pos;
qreal z;
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 1422184..f32fe71 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -1539,12 +1539,14 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
const QRectF &rect,
Qt::ItemSelectionMode mode) const
{
- QPainterPath path;
bool parentClip = (parent->flags() & QGraphicsItem::ItemClipsChildrenToShape);
+ if (parentClip && parent->d_ptr->isClippedAway())
+ return;
QRectF r = !parentClip ? _q_adjustedRect(rect) : _q_adjustedRect(rect).intersected(_q_adjustedRect(parent->boundingRect()));
if (r.isEmpty())
return;
+ QPainterPath path;
QList<QGraphicsItem *> &children = parent->d_ptr->children;
for (int i = 0; i < children.size(); ++i) {
QGraphicsItem *item = children.at(i);
@@ -1555,28 +1557,30 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
if (item->d_ptr->isInvisible())
continue;
- // ### _q_adjustedRect is only needed because QRectF::intersects,
- // QRectF::contains and QTransform::map() and friends don't work with
- // flat rectangles.
- QRectF br = _q_adjustedRect(item->boundingRect());
- QRectF mbr = item->mapRectToParent(br);
bool keep = false;
- if (mode >= Qt::ContainsItemBoundingRect) {
- // Rect intersects/contains item's bounding rect
- if ((mode == Qt::IntersectsItemBoundingRect && QRectF_intersects(rect, mbr))
- || (mode == Qt::ContainsItemBoundingRect && rect != mbr && rect.contains(br))) {
- items->append(item);
- keep = true;
- }
- } else {
- // Rect intersects/contains item's shape
- if (QRectF_intersects(rect, mbr)) {
- if (path == QPainterPath())
- path.addRect(rect);
- if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ if (!item->d_ptr->isClippedAway()) {
+ // ### _q_adjustedRect is only needed because QRectF::intersects,
+ // QRectF::contains and QTransform::map() and friends don't work with
+ // flat rectangles.
+ QRectF br = _q_adjustedRect(item->boundingRect());
+ QRectF mbr = item->mapRectToParent(br);
+ if (mode >= Qt::ContainsItemBoundingRect) {
+ // Rect intersects/contains item's bounding rect
+ if ((mode == Qt::IntersectsItemBoundingRect && QRectF_intersects(rect, mbr))
+ || (mode == Qt::ContainsItemBoundingRect && rect != mbr && rect.contains(br))) {
items->append(item);
keep = true;
}
+ } else {
+ // Rect intersects/contains item's shape
+ if (QRectF_intersects(rect, mbr)) {
+ if (path == QPainterPath())
+ path.addRect(rect);
+ if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ items->append(item);
+ keep = true;
+ }
+ }
}
}
@@ -1598,13 +1602,15 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
const QPolygonF &polygon,
Qt::ItemSelectionMode mode) const
{
- QPainterPath path;
bool parentClip = (parent->flags() & QGraphicsItem::ItemClipsChildrenToShape);
+ if (parentClip && parent->d_ptr->isClippedAway())
+ return;
QRectF polyRect = _q_adjustedRect(polygon.boundingRect());
QRectF r = !parentClip ? polyRect : polyRect.intersected(_q_adjustedRect(parent->boundingRect()));
if (r.isEmpty())
return;
+ QPainterPath path;
QList<QGraphicsItem *> &children = parent->d_ptr->children;
for (int i = 0; i < children.size(); ++i) {
QGraphicsItem *item = children.at(i);
@@ -1615,29 +1621,31 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
if (item->d_ptr->isInvisible())
continue;
- // ### _q_adjustedRect is only needed because QRectF::intersects,
- // QRectF::contains and QTransform::map() and friends don't work with
- // flat rectangles.
- QRectF br = _q_adjustedRect(item->boundingRect());
bool keep = false;
- if (mode >= Qt::ContainsItemBoundingRect) {
- // Polygon contains/intersects item's bounding rect
- if (path == QPainterPath())
- path.addPolygon(polygon);
- if ((mode == Qt::IntersectsItemBoundingRect && path.intersects(item->mapRectToParent(br)))
- || (mode == Qt::ContainsItemBoundingRect && path.contains(item->mapRectToParent(br)))) {
- items->append(item);
- keep = true;
- }
- } else {
- // Polygon contains/intersects item's shape
- if (QRectF_intersects(polyRect, item->mapRectToParent(br))) {
+ if (!item->d_ptr->isClippedAway()) {
+ // ### _q_adjustedRect is only needed because QRectF::intersects,
+ // QRectF::contains and QTransform::map() and friends don't work with
+ // flat rectangles.
+ QRectF br = _q_adjustedRect(item->boundingRect());
+ if (mode >= Qt::ContainsItemBoundingRect) {
+ // Polygon contains/intersects item's bounding rect
if (path == QPainterPath())
path.addPolygon(polygon);
- if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ if ((mode == Qt::IntersectsItemBoundingRect && path.intersects(item->mapRectToParent(br)))
+ || (mode == Qt::ContainsItemBoundingRect && path.contains(item->mapRectToParent(br)))) {
items->append(item);
keep = true;
}
+ } else {
+ // Polygon contains/intersects item's shape
+ if (QRectF_intersects(polyRect, item->mapRectToParent(br))) {
+ if (path == QPainterPath())
+ path.addPolygon(polygon);
+ if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ items->append(item);
+ keep = true;
+ }
+ }
}
}
@@ -1654,6 +1662,8 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
Qt::ItemSelectionMode mode) const
{
bool parentClip = (parent->flags() & QGraphicsItem::ItemClipsChildrenToShape);
+ if (parentClip && parent->d_ptr->isClippedAway())
+ return;
QRectF pathRect = _q_adjustedRect(path.boundingRect());
QRectF r = !parentClip ? pathRect : pathRect.intersected(_q_adjustedRect(parent->boundingRect()));
if (r.isEmpty())
@@ -1669,25 +1679,27 @@ void QGraphicsScenePrivate::childItems_helper(QList<QGraphicsItem *> *items,
if (item->d_ptr->isInvisible())
continue;
- // ### _q_adjustedRect is only needed because QRectF::intersects,
- // QRectF::contains and QTransform::map() and friends don't work with
- // flat rectangles.
- QRectF br = _q_adjustedRect(item->boundingRect());
bool keep = false;
- if (mode >= Qt::ContainsItemBoundingRect) {
- // Polygon contains/intersects item's bounding rect
- if ((mode == Qt::IntersectsItemBoundingRect && path.intersects(item->mapRectToParent(br)))
- || (mode == Qt::ContainsItemBoundingRect && path.contains(item->mapRectToParent(br)))) {
- items->append(item);
- keep = true;
- }
- } else {
- // Path contains/intersects item's shape
- if (QRectF_intersects(pathRect, item->mapRectToParent(br))) {
- if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ if (!item->d_ptr->isClippedAway()) {
+ // ### _q_adjustedRect is only needed because QRectF::intersects,
+ // QRectF::contains and QTransform::map() and friends don't work with
+ // flat rectangles.
+ QRectF br = _q_adjustedRect(item->boundingRect());
+ if (mode >= Qt::ContainsItemBoundingRect) {
+ // Polygon contains/intersects item's bounding rect
+ if ((mode == Qt::IntersectsItemBoundingRect && path.intersects(item->mapRectToParent(br)))
+ || (mode == Qt::ContainsItemBoundingRect && path.contains(item->mapRectToParent(br)))) {
items->append(item);
keep = true;
}
+ } else {
+ // Path contains/intersects item's shape
+ if (QRectF_intersects(pathRect, item->mapRectToParent(br))) {
+ if (itemCollidesWithPath(item, item->mapFromParent(path), mode)) {
+ items->append(item);
+ keep = true;
+ }
+ }
}
}
generated by cgit v0.12 at 2024-11-21 16:55:50 (GMT)