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improved card dragging

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This commit is contained in:
brukie 2009-06-16 18:20:29 +02:00
parent 680d5ab84c
commit 0f272a2f51
9 changed files with 115 additions and 74 deletions
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92
cockatrice/src/carddragitem.cpp
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@ -3,90 +3,104 @@
#include "carddatabase.h"
#include <QtGui>
CardDragItem::CardDragItem(QGraphicsScene *scene, CardZone *_startZone, CardInfo *_info, int _id, const QPointF &_hotSpot, bool _faceDown, QGraphicsItem *parent)
: QGraphicsItem(parent), id(_id), info(_info), hotSpot(_hotSpot), startZone(_startZone), faceDown(_faceDown)
CardDragItem::CardDragItem(CardItem *_item, int _id, const QPointF &_hotSpot, bool _faceDown, CardDragItem *parentDrag)
: QGraphicsItem(), id(_id), item(_item), hotSpot(_hotSpot), faceDown(_faceDown)
{
if ((hotSpot.x() < 0) || (hotSpot.y() < 0)) {
qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
hotSpot = QPointF();
} else if ((hotSpot.x() > CARD_WIDTH) || (hotSpot.y() > CARD_HEIGHT)) {
qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
hotSpot = QPointF(CARD_WIDTH, CARD_HEIGHT);
if (parentDrag)
parentDrag->addChildDrag(this);
else {
if ((hotSpot.x() < 0) || (hotSpot.y() < 0)) {
qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
hotSpot = QPointF();
} else if ((hotSpot.x() > CARD_WIDTH) || (hotSpot.y() > CARD_HEIGHT)) {
qDebug(QString("CardDragItem: coordinate overflow: x = %1, y = %2").arg(hotSpot.x()).arg(hotSpot.y()).toLatin1());
hotSpot = QPointF(CARD_WIDTH, CARD_HEIGHT);
}
setCursor(Qt::ClosedHandCursor);
}
if (item->getTapped())
setTransform(QTransform().translate((float) CARD_WIDTH / 2, (float) CARD_HEIGHT / 2).rotate(90).translate((float) -CARD_WIDTH / 2, (float) -CARD_HEIGHT / 2));
setZValue(2000000000);
setCacheMode(DeviceCoordinateCache);
setCursor(Qt::ClosedHandCursor);
if (!parent)
scene->addItem(this);
}
CardDragItem::~CardDragItem()
{
qDebug("CardDragItem destructor");
for (int i = 0; i < childDrags.size(); i++)
delete childDrags[i];
}
QRectF CardDragItem::boundingRect() const
void CardDragItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
return QRectF(0, 0, CARD_WIDTH, CARD_HEIGHT);
}
void CardDragItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*widget*/)
{
QSizeF translatedSize = option->matrix.mapRect(boundingRect()).size();
QPixmap *translatedPixmap = info->getPixmap(translatedSize.toSize());
painter->drawPixmap(boundingRect(), *translatedPixmap, translatedPixmap->rect());
item->paint(painter, option, widget);
}
void CardDragItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
event->accept();
QPointF sp = event->scenePos();
QList<QGraphicsItem *> colliding = scene()->items(sp);
CardZone *cursorZone = 0;
for (int i = colliding.size() - 1; i >= 0; i--) {
if ((cursorZone = qgraphicsitem_cast<CardZone *>(colliding.at(i)))) {
if (cursorZone->getName() == "table") {
QPointF cp = cursorZone->scenePos();
QPointF localpos = sp - hotSpot - cp;
setPos(QPointF(round(localpos.x() / RASTER_WIDTH) * RASTER_WIDTH, round(localpos.y() / RASTER_HEIGHT) * RASTER_HEIGHT) + cp);
} else
setPos(sp - hotSpot);
for (int i = colliding.size() - 1; i >= 0; i--)
if ((cursorZone = qgraphicsitem_cast<CardZone *>(colliding.at(i))))
break;
}
QPointF newPos;
if (!cursorZone)
return;
else if (cursorZone->getName() == "table") {
QPointF cp = cursorZone->scenePos();
QPointF localpos = sp - hotSpot - cp;
newPos = QPointF(round(localpos.x() / RASTER_WIDTH) * RASTER_WIDTH, round(localpos.y() / RASTER_HEIGHT) * RASTER_HEIGHT) + cp;
} else
newPos = sp - hotSpot;
if (newPos != pos()) {
for (int i = 0; i < childDrags.size(); i++)
childDrags[i]->setPos(newPos + childDrags[i]->getHotSpot());
// qDebug(QString("setPos: x=%1, y=%2").arg(newPos.x()).arg(newPos.y()).toLatin1());
setPos(newPos);
}
event->accept();
}
void CardDragItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
setCursor(Qt::OpenHandCursor);
QGraphicsScene *sc = scene();
QPointF sp = scenePos();
QPointF sp = pos();
qDebug(QString("sp: x=%1, y=%2").arg(sp.x()).arg(sp.y()).toLatin1());
sc->removeItem(this);
QList<QGraphicsItem *> colliding = sc->items(event->scenePos());
qDebug(QString("drop: %1 collisions").arg(colliding.size()).toLatin1());
// qDebug(QString("drop: %1 collisions").arg(colliding.size()).toLatin1());
CardZone *dropZone = 0;
for (int i = colliding.size() - 1; i >= 0; i--) {
QRectF bbox = colliding.at(i)->boundingRect();
qDebug(QString("bbox x %1 y %2 w %3 h %4").arg(bbox.x()).arg(bbox.y()).arg(bbox.width()).arg(bbox.height()).toLatin1());
// qDebug(QString("bbox x %1 y %2 w %3 h %4").arg(bbox.x()).arg(bbox.y()).arg(bbox.width()).arg(bbox.height()).toLatin1());
if ((dropZone = qgraphicsitem_cast<CardZone *>(colliding.at(i)))) {
qDebug("zone found");
// qDebug("zone found");
break;
}
}
if (dropZone) {
CardZone *startZone = qgraphicsitem_cast<CardZone *>(item->parentItem());
dropZone->handleDropEvent(id, startZone, (sp - dropZone->scenePos()).toPoint(), faceDown);
QList<QGraphicsItem *> childList = childItems();
for (int i = 0; i < childList.size(); i++) {
CardDragItem *c = qgraphicsitem_cast<CardDragItem *>(childList.at(i));
dropZone->handleDropEvent(c->id, startZone, (sp - dropZone->scenePos() + c->pos()).toPoint(), faceDown);
for (int i = 0; i < childDrags.size(); i++) {
CardDragItem *c = childDrags[i];
dropZone->handleDropEvent(c->id, startZone, (sp - dropZone->scenePos() + c->getHotSpot()).toPoint(), faceDown);
sc->removeItem(c);
}
}
event->accept();
}
void CardDragItem::addChildDrag(CardDragItem *child)
{
childDrags << child;
}