QPainterPath LineItem::rightMidGrip() const {
QRectF bound = gripBoundingRect();
QRectF grip = QRectF(bound.topRight() - QPointF(sizeOfGrip().width(), 0), sizeOfGrip());
grip.moveCenter(QPointF(grip.center().x(), bound.center().y()));
QPainterPath path;
path.addEllipse(grip);
return path;
}
QPainterPath LineItem::rightMidGrip() const {
if (gripMode() == Move)
return QPainterPath();
QRectF bound = gripBoundingRect();
QRectF grip = QRectF(bound.topRight() - QPointF(sizeOfGrip().width(), 0), sizeOfGrip());
grip.moveCenter(QPointF(grip.center().x(), bound.center().y()));
QPainterPath path;
if (gripMode() == Resize || gripMode() == Scale)
path.addRect(grip);
else
path.addEllipse(grip);
return path;
}
void LineItem::creationPolygonChanged(View::CreationEvent event) {
if (event == View::MousePress) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MousePress));
setPos(poly.first().x(), poly.first().y());
setViewRect(QRectF(0.0, 0.0, 0.0, sizeOfGrip().height()));
parentView()->scene()->addItem(this);
//setZValue(1);
return;
}
if (event == View::MouseMove) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MouseMove));
if (!rect().isEmpty()) {
rotateTowards(line().p2(), poly.last());
}
QRectF r = rect();
r.setSize(QSizeF(QLineF(line().p1(), poly.last()).length(), r.height()));
setViewRect(r);
return;
}
if (event == View::MouseRelease) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MouseRelease));
parentView()->disconnect(this, SLOT(deleteLater())); //Don't delete ourself
parentView()->disconnect(this, SLOT(creationPolygonChanged(View::CreationEvent)));
parentView()->setMouseMode(View::Default);
maybeReparent();
emit creationComplete();
return;
}
}
void LineItem::setLine(const QLineF &line_) {
setPos(line_.p1());
setViewRect(QRectF(0.0, 0.0, 0.0, sizeOfGrip().height()));
if (!rect().isEmpty()) {
rotateTowards(line().p2(), line_.p2());
}
QRectF r = rect();
r.setSize(QSizeF(QLineF(line().p1(), line_.p2()).length(), r.height()));
setViewRect(r);
}
void CircleItem::creationPolygonChanged(View::CreationEvent event) {
if (event == View::EscapeEvent) {
ViewItem::creationPolygonChanged(event);
return;
}
if (event == View::MousePress) {
const QPolygonF poly = mapFromScene(view()->creationPolygon(View::MousePress));
setPos(poly.first().x(), poly.first().y());
setViewRect(QRectF(0.0, 0.0, 0.0, sizeOfGrip().height()));
setRect(-2,-2,4,4);
view()->scene()->addItem(this);
return;
}
if (event == View::MouseMove) {
const QPolygonF poly = mapFromScene(view()->creationPolygon(View::MouseMove));
qreal dx = poly.last().x();
qreal dy = poly.last().y();
qreal r = qMax(qreal(2.0),sqrt(dx*dx + dy*dy));
QRectF newRect(-r, -r, 2.0*r, 2.0*r);
setViewRect(newRect);
return;
}
if (event == View::MouseRelease) {
const QPolygonF poly = mapFromScene(view()->creationPolygon(View::MouseRelease));
view()->disconnect(this, SLOT(deleteLater())); //Don't delete ourself
view()->disconnect(this, SLOT(creationPolygonChanged(View::CreationEvent)));
view()->setMouseMode(View::Default);
updateViewItemParent();
emit creationComplete();
return;
}
}
