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disallow dropping a card onto another

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This commit is contained in:
Max-Wilhelm Bruker 2010-07-17 23:37:22 +02:00
parent 1b286973dd
commit cbfbc542e7
5 changed files with 41 additions and 4 deletions
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29
cockatrice/src/carddragitem.cpp
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@ -5,12 +5,21 @@
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QCursor>
#include <QPainter>
CardDragItem::CardDragItem(CardItem *_item, int _id, const QPointF &_hotSpot, bool _faceDown, AbstractCardDragItem *parentDrag)
: AbstractCardDragItem(_item, _hotSpot, parentDrag), id(_id), faceDown(_faceDown), currentZone(0)
: AbstractCardDragItem(_item, _hotSpot, parentDrag), id(_id), faceDown(_faceDown), occupied(false), currentZone(0)
{
}
void CardDragItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
AbstractCardDragItem::paint(painter, option, widget);
if (occupied)
painter->fillRect(boundingRect(), QColor(200, 0, 0, 100));
}
void CardDragItem::updatePosition(const QPointF &cursorScenePos)
{
QList<QGraphicsItem *> colliding = scene()->items(cursorScenePos);
@ -36,12 +45,23 @@ void CardDragItem::updatePosition(const QPointF &cursorScenePos)
QPointF zonePos = currentZone->scenePos();
QPointF cursorPosInZone = cursorScenePos - zonePos;
QPointF cardTopLeft = cursorPosInZone - hotSpot;
QPointF newPos = zonePos + cursorZone->closestGridPoint(cardTopLeft);
QPointF closestGridPoint = cursorZone->closestGridPoint(cardTopLeft);
QPointF newPos = zonePos + closestGridPoint;
if (newPos != pos()) {
for (int i = 0; i < childDrags.size(); i++)
childDrags[i]->setPos(newPos + childDrags[i]->getHotSpot());
setPos(newPos);
bool newOccupied = false;
TableZone *table = qobject_cast<TableZone *>(cursorZone);
if (table)
if (table->getCardFromCoords(closestGridPoint))
newOccupied = true;
if (newOccupied != occupied) {
occupied = newOccupied;
update();
}
}
}
@ -54,10 +74,11 @@ void CardDragItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
CardZone *startZone = static_cast<CardItem *>(item)->getZone();
if (currentZone && !(static_cast<CardItem *>(item)->getAttachedTo() && (startZone == currentZone))) {
currentZone->handleDropEvent(id, startZone, (sp - currentZone->scenePos()).toPoint(), faceDown);
if (!occupied)
currentZone->handleDropEvent(id, startZone, (sp - currentZone->scenePos()).toPoint(), faceDown);
for (int i = 0; i < childDrags.size(); i++) {
CardDragItem *c = static_cast<CardDragItem *>(childDrags[i]);
if (!(static_cast<CardItem *>(c->item)->getAttachedTo() && (startZone == currentZone)))
if (!(static_cast<CardItem *>(c->item)->getAttachedTo() && (startZone == currentZone)) && !c->occupied)
currentZone->handleDropEvent(c->id, startZone, (sp - currentZone->scenePos() + c->getHotSpot()).toPoint(), faceDown);
sc->removeItem(c);
}