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Fix racetime condition with token cloning (#4156)

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* Fix #2820 by removing (this->setCursor) as this was null by the time we hit this component due to a racetime condition.

* check if card player pointer is valid before setting cursor

Co-authored-by: ebbit1q <ebbit1q@gmail.com>
This commit is contained in:
Zach H 2020-11-22 20:25:23 -05:00 committed by GitHub
parent 0d842b5a35
commit 6e00db4ef6
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 13 deletions
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27
cockatrice/src/carditem.cpp
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@ -48,22 +48,22 @@ CardItem::~CardItem()
void CardItem::prepareDelete()
{
if (owner) {
if (owner != nullptr) {
if (owner->getCardMenu() == cardMenu) {
owner->setCardMenu(0);
owner->getGame()->setActiveCard(0);
owner->setCardMenu(nullptr);
owner->getGame()->setActiveCard(nullptr);
}
owner = 0;
owner = nullptr;
}
while (!attachedCards.isEmpty()) {
attachedCards.first()->setZone(0); // so that it won't try to call reorganizeCards()
attachedCards.first()->setAttachedTo(0);
attachedCards.first()->setZone(nullptr); // so that it won't try to call reorganizeCards()
attachedCards.first()->setAttachedTo(nullptr);
}
if (attachedTo) {
if (attachedTo != nullptr) {
attachedTo->removeAttachedCard(this);
attachedTo = 0;
attachedTo = nullptr;
}
}
@ -265,9 +265,10 @@ CardDragItem *CardItem::createDragItem(int _id, const QPointF &_pos, const QPoin
void CardItem::deleteDragItem()
{
if (dragItem)
if (dragItem) {
dragItem->deleteLater();
dragItem = NULL;
}
dragItem = nullptr;
}
void CardItem::drawArrow(const QColor &arrowColor)
@ -362,7 +363,7 @@ void CardItem::playCard(bool faceDown)
void CardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::RightButton) {
if (cardMenu && !cardMenu->isEmpty() && owner) {
if (cardMenu && !cardMenu->isEmpty() && owner != nullptr) {
owner->updateCardMenu(this);
cardMenu->exec(event->screenPos());
}
@ -370,7 +371,7 @@ void CardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
(!SettingsCache::instance().getDoubleClickToPlay())) {
bool hideCard = false;
if (zone && zone->getIsView()) {
ZoneViewZone *view = static_cast<ZoneViewZone *>(zone);
auto *view = static_cast<ZoneViewZone *>(zone);
if (view->getRevealZone() && !view->getWriteableRevealZone())
hideCard = true;
}
@ -381,7 +382,9 @@ void CardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
}
}
if (owner != nullptr){ // cards without owner will be deleted
setCursor(Qt::OpenHandCursor);
}
AbstractCardItem::mouseReleaseEvent(event);
}