diff options
Diffstat (limited to 'src/gui/graphicsview')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 27ebb79..2a53456 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -613,6 +613,19 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item) if (item == lastActivePanel) lastActivePanel = 0; + // Cancel active touches + { + QMap<int, QGraphicsItem *>::iterator it = itemForTouchPointId.begin(); + while (it != itemForTouchPointId.end()) { + if (it.value() == item) { + sceneCurrentTouchPoints.remove(it.key()); + it = itemForTouchPointId.erase(it); + } else { + ++it; + } + } + } + // Disable selectionChanged() for individual items ++selectionChanging; int oldSelectedItemsSize = selectedItems.size(); @@ -5679,17 +5692,22 @@ bool QGraphicsScenePrivate::sendTouchBeginEvent(QGraphicsItem *origin, QTouchEve touchEvent->setAccepted(acceptTouchEvents); res = acceptTouchEvents && sendEvent(item, touchEvent); eventAccepted = touchEvent->isAccepted(); - item->d_ptr->acceptedTouchBeginEvent = (res && eventAccepted); + if (itemForTouchPointId.value(touchEvent->touchPoints().first().id()) == 0) { + // item was deleted + item = 0; + } else { + item->d_ptr->acceptedTouchBeginEvent = (res && eventAccepted); + } touchEvent->spont = false; if (res && eventAccepted) { // the first item to accept the TouchBegin gets an implicit grab. for (int i = 0; i < touchEvent->touchPoints().count(); ++i) { const QTouchEvent::TouchPoint &touchPoint = touchEvent->touchPoints().at(i); - itemForTouchPointId[touchPoint.id()] = item; + itemForTouchPointId[touchPoint.id()] = item; // can be zero } break; } - if (item->isPanel()) + if (item && item->isPanel()) break; } |