dynamic pixmap cache update

cockatrice/src/carddatabase.cpp

@@ -224,6 +224,8 @@ void CardInfo::updatePixmapCache()
 	qDebug(QString("Updating pixmap cache for %1").arg(name).toLatin1());
 	clearPixmapCache();
 	loadPixmap();
+	
+	emit pixmapUpdated();
 }
 
 QXmlStreamWriter &operator<<(QXmlStreamWriter &xml, const CardInfo *info)

cockatrice/src/carddatabase.h

@@ -33,7 +33,7 @@ public:
 	void sortByKey();
 };
 
-class CardInfo : QObject {
+class CardInfo : public QObject {
 	Q_OBJECT
 private:
 	CardDatabase *db;
@@ -86,6 +86,8 @@ public:
 	void updatePixmapCache();
 private slots:
 	void picDownloadFinished(int id, bool error);
+signals:
+	void pixmapUpdated();
 };
 
 class CardDatabase : public QObject {

cockatrice/src/cardinfowidget.cpp

@@ -6,7 +6,7 @@
 #include <QMessageBox>
 
 CardInfoWidget::CardInfoWidget(CardDatabase *_db, QWidget *parent)
-	: QFrame(parent), db(_db), pixmapHeight(pixmapWidth)
+	: QFrame(parent), db(_db), pixmapHeight(pixmapWidth), info(0)
 {
 	cardPicture = new QLabel;
 	cardPicture->setAlignment(Qt::AlignCenter);
@@ -71,12 +71,12 @@ void CardInfoWidget::setCard(CardInfo *card)
 	if (!card)
 		return;
 
-	QPixmap *resizedPixmap = card->getPixmap(QSize(pixmapWidth, pixmapHeight));
-	if (resizedPixmap)
-		cardPicture->setPixmap(*resizedPixmap);
-	else
-		cardPicture->setPixmap(*(db->getCard()->getPixmap(QSize(pixmapWidth, pixmapHeight))));
+	if (info)
+		disconnect(info, 0, this, 0);
+	info = card;
+	connect(info, SIGNAL(pixmapUpdated()), this, SLOT(updatePixmap()));
 
+	updatePixmap();
 	nameLabel2->setText(card->getName());
 	manacostLabel2->setText(card->getManaCost());
 	cardtypeLabel2->setText(card->getCardType());
@@ -89,6 +89,15 @@ void CardInfoWidget::setCard(const QString &cardName)
 	setCard(db->getCard(cardName));
 }
 
+void CardInfoWidget::updatePixmap()
+{
+	QPixmap *resizedPixmap = info->getPixmap(QSize(pixmapWidth, pixmapHeight));
+	if (resizedPixmap)
+		cardPicture->setPixmap(*resizedPixmap);
+	else
+		cardPicture->setPixmap(*(db->getCard()->getPixmap(QSize(pixmapWidth, pixmapHeight))));
+}
+
 void CardInfoWidget::retranslateUi()
 {
 	nameLabel1->setText(tr("Name:"));

cockatrice/src/cardinfowidget.h

@@ -20,12 +20,16 @@ private:
 	QLabel *cardtypeLabel1, *cardtypeLabel2;
 	QLabel *powtoughLabel1, *powtoughLabel2;
 	QTextEdit *textLabel;
+	
+	CardInfo *info;
 public:
 	CardInfoWidget(CardDatabase *_db, QWidget *parent = 0);
 	void retranslateUi();
 public slots:
 	void setCard(CardInfo *card);
 	void setCard(const QString &cardName);
+private slots:
+	void updatePixmap();
 };
 
 #endif

cockatrice/src/carditem.cpp

@@ -15,6 +15,8 @@ CardItem::CardItem(CardDatabase *_db, const QString &_name, int _cardid, QGraphi
 	setFlag(ItemIsSelectable);
 	setAcceptsHoverEvents(true);
 	setCacheMode(DeviceCoordinateCache);
+
+	connect(info, SIGNAL(pixmapUpdated()), this, SLOT(pixmapUpdated()));
 }
 
 CardItem::~CardItem()
@@ -28,6 +30,11 @@ QRectF CardItem::boundingRect() const
 	return QRectF(0, 0, CARD_WIDTH, CARD_HEIGHT);
 }
 
+void CardItem::pixmapUpdated()
+{
+	update();
+}
+
 void CardItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*widget*/)
 {
 	painter->save();
@@ -105,8 +112,10 @@ void CardItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 
 void CardItem::setName(const QString &_name)
 {
+  	disconnect(info, 0, this, 0);
 	name = _name;
 	info = db->getCard(name);
+	connect(info, SIGNAL(pixmapUpdated()), this, SLOT(pixmapUpdated()));
 	update();
 }
 

cockatrice/src/carditem.h

@@ -20,7 +20,8 @@ enum CardItemType {
 	typeOther = QGraphicsItem::UserType + 4
 };
 
-class CardItem : public AbstractGraphicsItem {
+class CardItem : public QObject, public AbstractGraphicsItem {
+	Q_OBJECT
 private:
 	CardDatabase *db;
 	CardInfo *info;
@@ -34,6 +35,8 @@ private:
 	bool doesntUntap;
 	QPoint gridPoint;
 	CardDragItem *dragItem;
+private slots:
+	void pixmapUpdated();
 public:
 	enum { Type = typeCard };
 	int type() const { return Type; }