92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
#include "carddragitem.h"
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#include "cardzone.h"
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#include "carddatabase.h"
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#include <QtGui>
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CardDragItem::CardDragItem(QGraphicsScene *scene, CardZone *_startZone, CardInfo *_info, int _id, const QPointF &_hotSpot, bool _faceDown, QGraphicsItem *parent)
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: QGraphicsItem(parent), id(_id), info(_info), hotSpot(_hotSpot), startZone(_startZone), faceDown(_faceDown)
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{
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if ((hotSpot.x() < 0) || (hotSpot.y() < 0)) {
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qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
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hotSpot = QPointF();
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} else if ((hotSpot.x() > CARD_WIDTH) || (hotSpot.y() > CARD_HEIGHT)) {
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qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
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hotSpot = QPointF(CARD_WIDTH, CARD_HEIGHT);
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}
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setZValue(2000000000);
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setCacheMode(DeviceCoordinateCache);
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setCursor(Qt::ClosedHandCursor);
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if (!parent)
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scene->addItem(this);
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}
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CardDragItem::~CardDragItem()
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{
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qDebug("CardDragItem destructor");
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}
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QRectF CardDragItem::boundingRect() const
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{
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return QRectF(0, 0, CARD_WIDTH, CARD_HEIGHT);
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}
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void CardDragItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*widget*/)
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{
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QSizeF translatedSize = option->matrix.mapRect(boundingRect()).size();
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QPixmap *translatedPixmap = info->getPixmap(translatedSize.toSize());
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painter->drawPixmap(boundingRect(), *translatedPixmap, translatedPixmap->rect());
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}
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void CardDragItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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QPointF sp = event->scenePos();
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QList<QGraphicsItem *> colliding = scene()->items(sp);
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CardZone *cursorZone = 0;
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for (int i = colliding.size() - 1; i >= 0; i--) {
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if ((cursorZone = qgraphicsitem_cast<CardZone *>(colliding.at(i)))) {
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if (cursorZone->getName() == "table") {
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QPointF cp = cursorZone->scenePos();
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QPointF localpos = sp - hotSpot - cp;
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setPos(QPointF(round(localpos.x() / RASTER_WIDTH) * RASTER_WIDTH, round(localpos.y() / RASTER_HEIGHT) * RASTER_HEIGHT) + cp);
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} else
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setPos(sp - hotSpot);
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break;
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}
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}
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event->accept();
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}
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void CardDragItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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setCursor(Qt::OpenHandCursor);
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QGraphicsScene *sc = scene();
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QPointF sp = scenePos();
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sc->removeItem(this);
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QList<QGraphicsItem *> colliding = sc->items(event->scenePos());
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qDebug(QString("drop: %1 collisions").arg(colliding.size()).toLatin1());
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CardZone *dropZone = 0;
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for (int i = colliding.size() - 1; i >= 0; i--) {
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QRectF bbox = colliding.at(i)->boundingRect();
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qDebug(QString("bbox x %1 y %2 w %3 h %4").arg(bbox.x()).arg(bbox.y()).arg(bbox.width()).arg(bbox.height()).toLatin1());
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if ((dropZone = qgraphicsitem_cast<CardZone *>(colliding.at(i)))) {
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qDebug("zone found");
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break;
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}
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}
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if (dropZone) {
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dropZone->handleDropEvent(id, startZone, (sp - dropZone->scenePos()).toPoint(), faceDown);
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QList<QGraphicsItem *> childList = childItems();
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for (int i = 0; i < childList.size(); i++) {
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CardDragItem *c = qgraphicsitem_cast<CardDragItem *>(childList.at(i));
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dropZone->handleDropEvent(c->id, startZone, (sp - dropZone->scenePos() + c->pos()).toPoint(), faceDown);
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}
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}
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event->accept();
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}
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