implement a maximum amount of cardmenus generated for views (#4262)

cockatrice/src/carditem.cpp

@@ -18,9 +18,15 @@
 #include <QMenu>
 #include <QPainter>
 
-CardItem::CardItem(Player *_owner, const QString &_name, int _cardid, bool _revealedCard, QGraphicsItem *parent)
-    : AbstractCardItem(_name, _owner, _cardid, parent), zone(0), revealedCard(_revealedCard), attacking(false),
-      destroyOnZoneChange(false), doesntUntap(false), dragItem(0), attachedTo(0)
+CardItem::CardItem(Player *_owner,
+                   const QString &_name,
+                   int _cardid,
+                   bool _revealedCard,
+                   QGraphicsItem *parent,
+                   CardZone *_zone,
+                   bool updateMenu)
+    : AbstractCardItem(_name, _owner, _cardid, parent), zone(_zone), revealedCard(_revealedCard), attacking(false),
+      destroyOnZoneChange(false), doesntUntap(false), dragItem(nullptr), attachedTo(nullptr)
 {
     owner->addCard(this);
 
@@ -29,7 +35,9 @@ CardItem::CardItem(Player *_owner, const QString &_name, int _cardid, bool _reve
     moveMenu = new QMenu;
 
     retranslateUi();
-    emit updateCardMenu(this);
+    if (updateMenu) { // avoid updating card menu too often
+        emit updateCardMenu(this);
+    }
 }
 
 CardItem::~CardItem()
@@ -382,7 +390,7 @@ void CardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
         }
     }
 
-    if (owner != nullptr){ // cards without owner will be deleted
+    if (owner != nullptr) { // cards without owner will be deleted
         setCursor(Qt::OpenHandCursor);
     }
     AbstractCardItem::mouseReleaseEvent(event);

cockatrice/src/carditem.h

@@ -52,7 +52,9 @@ public:
              const QString &_name = QString(),
              int _cardid = -1,
              bool revealedCard = false,
-             QGraphicsItem *parent = nullptr);
+             QGraphicsItem *parent = nullptr,
+             CardZone *_zone = nullptr,
+             bool updateMenu = false);
     ~CardItem();
     void retranslateUi();
     CardZone *getZone() const

cockatrice/src/zoneviewzone.cpp

@@ -83,15 +83,19 @@ void ZoneViewZone::initializeCards(const QList<const ServerInfo_Card *> &cardLis
 
 void ZoneViewZone::zoneDumpReceived(const Response &r)
 {
+    static constexpr int MAX_VIEW_MENU = 300;
     const Response_DumpZone &resp = r.GetExtension(Response_DumpZone::ext);
     const int respCardListSize = resp.zone_info().card_list_size();
     for (int i = 0; i < respCardListSize; ++i) {
         const ServerInfo_Card &cardInfo = resp.zone_info().card_list(i);
-        CardItem *card = new CardItem(player, QString::fromStdString(cardInfo.name()), cardInfo.id(), revealZone, this);
-        addCard(card, false, i);
+        auto cardName = QString::fromStdString(cardInfo.name());
+        // stop updating card menus after MAX_VIEW_MENU cards
+        // this means only the first cards in the menu have actions but others can still be dragged
+        auto *card = new CardItem(player, cardName, cardInfo.id(), revealZone, this, this, i < MAX_VIEW_MENU);
+        cards.insert(i, card);
     }
-
     reorganizeCards();
+    emit cardCountChanged();
 }
 
 // Because of boundingRect(), this function must not be called before the zone was added to a scene.