141d0c7618
[REVIEW] Added a white mask to cards that are being dragged. Preview: http://webmup.com/1we4W/
59 lines
2 KiB
C++
59 lines
2 KiB
C++
#include "abstractcarddragitem.h"
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#include "carddatabase.h"
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#include <QCursor>
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#include <QGraphicsSceneMouseEvent>
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#include <QDebug>
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#include <QPainter>
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static const float CARD_WIDTH_HALF = CARD_WIDTH / 2;
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static const float CARD_HEIGHT_HALF = CARD_HEIGHT / 2;
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const QColor GHOST_MASK = QColor(255, 255, 255, 50);
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AbstractCardDragItem::AbstractCardDragItem(AbstractCardItem *_item, const QPointF &_hotSpot, AbstractCardDragItem *parentDrag)
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: QGraphicsItem(), item(_item), hotSpot(_hotSpot)
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{
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if (parentDrag) {
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parentDrag->addChildDrag(this);
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setZValue(2000000007 + hotSpot.x() * 1000000 + hotSpot.y() * 1000 + 1000);
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} else {
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if ((hotSpot.x() < 0) || (hotSpot.y() < 0)) {
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qDebug() << "CardDragItem: coordinate overflow: x =" << hotSpot.x() << ", y =" << hotSpot.y();
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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() << "CardDragItem: coordinate overflow: x =" << hotSpot.x() << ", y =" << hotSpot.y();
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hotSpot = QPointF(CARD_WIDTH, CARD_HEIGHT);
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}
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setCursor(Qt::ClosedHandCursor);
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setZValue(2000000007);
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}
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if (item->getTapped())
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setTransform(QTransform().translate(CARD_WIDTH_HALF, CARD_HEIGHT_HALF).rotate(90).translate(-CARD_WIDTH_HALF, -CARD_HEIGHT_HALF));
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setCacheMode(DeviceCoordinateCache);
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}
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AbstractCardDragItem::~AbstractCardDragItem()
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{
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qDebug("CardDragItem destructor");
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for (int i = 0; i < childDrags.size(); i++)
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delete childDrags[i];
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}
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void AbstractCardDragItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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item->paint(painter, option, widget);
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// adds a mask to the card so it looks like the card hasnt been placed yet
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painter->fillRect(boundingRect(), GHOST_MASK);
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}
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void AbstractCardDragItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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event->accept();
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updatePosition(event->scenePos());
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}
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void AbstractCardDragItem::addChildDrag(AbstractCardDragItem *child)
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{
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childDrags << child;
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}
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