36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
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#ifndef DIVINGMAPPIXMAPITEM_H
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#define DIVINGMAPPIXMAPITEM_H
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#include "mapconnection.h"
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#include <QGraphicsPixmapItem>
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#include <QPointer>
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class DivingMapPixmapItem : public QObject, public QGraphicsPixmapItem {
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Q_OBJECT
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public:
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DivingMapPixmapItem(MapConnection* connection)
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: QGraphicsPixmapItem(getBasePixmap(connection))
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{
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m_connection = connection;
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setZValue(2);
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// Update pixmap if the connected map is swapped.
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connect(m_connection, &MapConnection::targetMapNameChanged, this, &DivingMapPixmapItem::updatePixmap);
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}
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MapConnection* connection() const { return m_connection; }
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private:
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QPointer<MapConnection> m_connection;
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static QPixmap getBasePixmap(MapConnection* connection) {
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// If the map is connected to itself then rendering is pointless.
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if (!connection || connection->targetMapName() == connection->parentMapName())
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return QPixmap();
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return connection->getPixmap();
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}
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void updatePixmap() { setPixmap(getBasePixmap(m_connection)); }
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};
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#endif // DIVINGMAPPIXMAPITEM_H
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