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Arrows

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This commit is contained in:
Max-Wilhelm Bruker 2009-10-17 23:55:31 +02:00
parent fd4b388975
commit 867a27ecd4
14 changed files with 249 additions and 36 deletions
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cockatrice/src/arrowitem.cpp Normal file
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#include "arrowitem.h"
#include "carditem.h"
#include "cardzone.h"
#include "player.h"
#include "math.h"
#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsScene>
ArrowItem::ArrowItem(CardItem *_startItem, CardItem *_targetItem)
: QGraphicsItem(), startItem(_startItem), targetItem(_targetItem)
{
setZValue(2000000005);
if (startItem && targetItem)
updatePath();
}
void ArrowItem::updatePath()
{
color = QColor(255, 0, 0, 200);
QPointF endPoint = targetItem->mapToScene(QPointF(targetItem->boundingRect().width() / 2, targetItem->boundingRect().height() / 2));
updatePath(endPoint);
}
void ArrowItem::updatePath(const QPointF &endPoint)
{
const double arrowWidth = 15.0;
const double headWidth = 40.0;
const double headLength = headWidth / sqrt(2);
QPointF startPoint = startItem->mapToScene(QPointF(startItem->boundingRect().width() / 2, startItem->boundingRect().height() / 2));
QLineF line(startPoint, endPoint);
qreal lineLength = line.length();
path = QPainterPath(QPointF(0, -arrowWidth / 2));
path.lineTo(0, arrowWidth / 2);
path.lineTo(lineLength - headLength, arrowWidth / 2);
path.lineTo(lineLength - headLength, headWidth / 2);
path.lineTo(lineLength, 0);
path.lineTo(lineLength - headLength, -headWidth / 2);
path.lineTo(lineLength - headLength, -arrowWidth / 2);
path.lineTo(0, -arrowWidth / 2);
setPos(startPoint);
setTransform(QTransform().rotate(-line.angle()));
}
void ArrowItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/, QWidget * /*widget*/)
{
painter->setBrush(color);
painter->drawPath(path);
}
ArrowDragItem::ArrowDragItem(CardItem *_startItem)
: ArrowItem(_startItem)
{
}
void ArrowDragItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
event->accept();
QPointF endPos = event->scenePos();
QList<QGraphicsItem *> colliding = scene()->items(endPos);
CardItem *cursorItem = 0;
for (int i = colliding.size() - 1; i >= 0; i--)
if ((cursorItem = qgraphicsitem_cast<CardItem *>(colliding.at(i))))
break;
if (!cursorItem) {
targetItem = 0;
updatePath(endPos);
color = QColor(190, 0, 0, 150);
} else {
targetItem = cursorItem;
updatePath();
}
update();
}
void ArrowDragItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * /*event*/)
{
if (targetItem) {
CardZone *startZone = static_cast<CardZone *>(startItem->parentItem());
CardZone *targetZone = static_cast<CardZone *>(targetItem->parentItem());
startZone->getPlayer()->client->createArrow(
startZone->getPlayer()->getId(),
startZone->getName(),
startItem->getId(),
targetZone->getPlayer()->getId(),
targetZone->getName(),
targetItem->getId()
);
}
deleteLater();
}