diff --git a/libs/flake/KoConnectionShape.cpp b/libs/flake/KoConnectionShape.cpp index 943ca5e23be..02b72ed5508 100644 --- a/libs/flake/KoConnectionShape.cpp +++ b/libs/flake/KoConnectionShape.cpp @@ -1,754 +1,763 @@ /* This file is part of the KDE project * Copyright (C) 2007 Boudewijn Rempt * Copyright (C) 2007,2009 Thorsten Zachmann * Copyright (C) 2007,2009,2010 Jan Hambrecht * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "KoConnectionShape.h" #include "KoConnectionShape_p.h" #include "KoViewConverter.h" #include "KoShapeLoadingContext.h" #include "KoShapeSavingContext.h" #include "KoConnectionShapeLoadingUpdater.h" #include "KoPathShapeLoader.h" #include "KoPathPoint.h" #include "KoShapeBackground.h" #include #include #include #include #include #include KoConnectionShapePrivate::KoConnectionShapePrivate(KoConnectionShape *q) : KoParameterShapePrivate(q), shape1(0), shape2(0), connectionPointId1(-1), connectionPointId2(-1), connectionType(KoConnectionShape::Standard), forceUpdate(false), hasCustomPath(false) { } QPointF KoConnectionShapePrivate::escapeDirection(int handleId) const { Q_Q(const KoConnectionShape); QPointF direction; if (handleConnected(handleId)) { KoShape *attachedShape = handleId == KoConnectionShape::StartHandle ? shape1 : shape2; int connectionPointId = handleId == KoConnectionShape::StartHandle ? connectionPointId1 : connectionPointId2; KoConnectionPoint::EscapeDirection ed = attachedShape->connectionPoint(connectionPointId).escapeDirection; if (ed == KoConnectionPoint::AllDirections) { QPointF handlePoint = q->shapeToDocument(handles[handleId]); QPointF centerPoint = attachedShape->absolutePosition(KoFlake::CenteredPosition); /* * Determine the best escape direction from the position of the handle point * and the position and orientation of the attached shape. * The idea is to define 4 sectors, one for each edge of the attached shape. * Each sector starts at the center point of the attached shape and has it * left and right edge going through the two points which define the edge. * Then we check which sector contains our handle point, for which we can * simply calculate the corresponding direction which is orthogonal to the * corresponding bounding box edge. * From that we derive the escape direction from looking at the main coordinate * of the orthogonal direction. */ // define our edge points in the right order const KoFlake::Position corners[4] = { KoFlake::BottomRightCorner, KoFlake::BottomLeftCorner, KoFlake::TopLeftCorner, KoFlake::TopRightCorner }; QPointF vHandle = handlePoint-centerPoint; for (int i = 0; i < 4; ++i) { // first point of bounding box edge QPointF p1 = attachedShape->absolutePosition(corners[i]); // second point of bounding box edge QPointF p2 = attachedShape->absolutePosition(corners[(i+1)%4]); // check on which side of the first sector edge our second sector edge is const qreal c0 = crossProd(p1-centerPoint, p2-centerPoint); // check on which side of the first sector edge our handle point is const qreal c1 = crossProd(p1-centerPoint, vHandle); // second egde and handle point must be on the same side of first edge if ((c0 < 0 && c1 > 0) || (c0 > 0 && c1 < 0)) continue; // check on which side of the handle point our second sector edge is const qreal c2 = crossProd(vHandle, p2-centerPoint); // second edge must be on the same side of the handle point as on first edge if ((c0 < 0 && c2 > 0) || (c0 > 0 && c2 < 0)) continue; // now we found the correct edge QPointF vDir = 0.5 *(p1+p2) - centerPoint; // look at coordinate with the greatest absolute value // and construct our escape direction accordingly const qreal xabs = qAbs(vDir.x()); const qreal yabs = qAbs(vDir.y()); if (xabs > yabs) { direction.rx() = vDir.x() > 0 ? 1.0 : -1.0; direction.ry() = 0.0; } else { direction.rx() = 0.0; direction.ry() = vDir.y() > 0 ? 1.0 : -1.0; } break; } } else if (ed == KoConnectionPoint::HorizontalDirections) { QPointF handlePoint = q->shapeToDocument(handles[handleId]); QPointF centerPoint = attachedShape->absolutePosition(KoFlake::CenteredPosition); // use horizontal direction pointing away from center point if (handlePoint.x() < centerPoint.x()) direction = QPointF(-1.0, 0.0); else direction = QPointF(1.0, 0.0); } else if (ed == KoConnectionPoint::VerticalDirections) { QPointF handlePoint = q->shapeToDocument(handles[handleId]); QPointF centerPoint = attachedShape->absolutePosition(KoFlake::CenteredPosition); // use vertical direction pointing away from center point if (handlePoint.y() < centerPoint.y()) direction = QPointF(0.0, -1.0); else direction = QPointF(0.0, 1.0); } else if (ed == KoConnectionPoint::LeftDirection) { direction = QPointF(-1.0, 0.0); } else if (ed == KoConnectionPoint::RightDirection) { direction = QPointF(1.0, 0.0); } else if (ed == KoConnectionPoint::UpDirection) { direction = QPointF(0.0, -1.0); } else if (ed == KoConnectionPoint::DownDirection) { direction = QPointF(0.0, 1.0); } // transform escape direction by using our own transformation matrix QTransform invMatrix = q->absoluteTransformation(0).inverted(); direction = invMatrix.map(direction) - invMatrix.map(QPointF()); direction /= sqrt(direction.x() * direction.x() + direction.y() * direction.y()); } return direction; } bool KoConnectionShapePrivate::intersects(const QPointF &p1, const QPointF &d1, const QPointF &p2, const QPointF &d2, QPointF &isect) { qreal sp1 = scalarProd(d1, p2 - p1); if (sp1 < 0.0) return false; qreal sp2 = scalarProd(d2, p1 - p2); if (sp2 < 0.0) return false; // use cross product to check if rays intersects at all qreal cp = crossProd(d1, d2); if (cp == 0.0) { // rays are parallel or coincident if (p1.x() == p2.x() && d1.x() == 0.0 && d1.y() != d2.y()) { // vertical, coincident isect = 0.5 * (p1 + p2); } else if (p1.y() == p2.y() && d1.y() == 0.0 && d1.x() != d2.x()) { // horizontal, coincident isect = 0.5 * (p1 + p2); } else { return false; } } else { // they are intersecting normally isect = p1 + sp1 * d1; } return true; } QPointF KoConnectionShapePrivate::perpendicularDirection(const QPointF &p1, const QPointF &d1, const QPointF &p2) { QPointF perpendicular(d1.y(), -d1.x()); qreal sp = scalarProd(perpendicular, p2 - p1); if (sp < 0.0) perpendicular *= -1.0; return perpendicular; } void KoConnectionShapePrivate::normalPath(const qreal MinimumEscapeLength) { // Clear the path to build it again. path.clear(); path.append(handles[KoConnectionShape::StartHandle]); QVector edges1; QVector edges2; QPointF direction1 = escapeDirection(KoConnectionShape::StartHandle); QPointF direction2 = escapeDirection(KoConnectionShape::EndHandle); QPointF edgePoint1 = handles[KoConnectionShape::StartHandle] + MinimumEscapeLength * direction1; QPointF edgePoint2 = handles[KoConnectionShape::EndHandle] + MinimumEscapeLength * direction2; edges1.append(edgePoint1); edges2.prepend(edgePoint2); if (handleConnected(KoConnectionShape::StartHandle) && handleConnected(KoConnectionShape::EndHandle)) { QPointF intersection; bool connected = false; do { // first check if directions from current edge points intersect if (intersects(edgePoint1, direction1, edgePoint2, direction2, intersection)) { // directions intersect, we have another edge point and be done edges1.append(intersection); break; } // check if we are going toward the other handle qreal sp = scalarProd(direction1, edgePoint2 - edgePoint1); if (sp >= 0.0) { // if we are having the same direction, go all the way toward // the other handle, else only go half the way if (direction1 == direction2) edgePoint1 += sp * direction1; else edgePoint1 += 0.5 * sp * direction1; edges1.append(edgePoint1); // switch direction direction1 = perpendicularDirection(edgePoint1, direction1, edgePoint2); } else { // we are not going into the same direction, so switch direction direction1 = perpendicularDirection(edgePoint1, direction1, edgePoint2); } } while (! connected); } path.append(edges1); path.append(edges2); path.append(handles[KoConnectionShape::EndHandle]); } qreal KoConnectionShapePrivate::scalarProd(const QPointF &v1, const QPointF &v2) const { return v1.x() * v2.x() + v1.y() * v2.y(); } qreal KoConnectionShapePrivate::crossProd(const QPointF &v1, const QPointF &v2) const { return v1.x() * v2.y() - v1.y() * v2.x(); } bool KoConnectionShapePrivate::handleConnected(int handleId) const { if (handleId == KoConnectionShape::StartHandle && shape1 && connectionPointId1 >= 0) return true; if (handleId == KoConnectionShape::EndHandle && shape2 && connectionPointId2 >= 0) return true; return false; } void KoConnectionShape::updateConnections() { Q_D(KoConnectionShape); bool updateHandles = false; if (d->handleConnected(StartHandle)) { if (d->shape1->hasConnectionPoint(d->connectionPointId1)) { // map connection point into our shape coordinates QPointF p = documentToShape(d->shape1->absoluteTransformation(0).map(d->shape1->connectionPoint(d->connectionPointId1).position)); if (d->handles[StartHandle] != p) { d->handles[StartHandle] = p; updateHandles = true; } } } if (d->handleConnected(EndHandle)) { if (d->shape2->hasConnectionPoint(d->connectionPointId2)) { // map connection point into our shape coordinates QPointF p = documentToShape(d->shape2->absoluteTransformation(0).map(d->shape2->connectionPoint(d->connectionPointId2).position)); if (d->handles[EndHandle] != p) { d->handles[EndHandle] = p; updateHandles = true; } } } if (updateHandles || d->forceUpdate) { update(); // ugly, for repainting the connection we just changed updatePath(QSizeF()); update(); // ugly, for repainting the connection we just changed d->forceUpdate = false; } } KoConnectionShape::KoConnectionShape() : KoParameterShape(*(new KoConnectionShapePrivate(this))) { Q_D(KoConnectionShape); d->handles.push_back(QPointF(0, 0)); d->handles.push_back(QPointF(140, 140)); moveTo(d->handles[StartHandle]); lineTo(d->handles[EndHandle]); updatePath(QSizeF(140, 140)); clearConnectionPoints(); } KoConnectionShape::~KoConnectionShape() { Q_D(KoConnectionShape); if (d->shape1) d->shape1->removeDependee(this); if (d->shape2) d->shape2->removeDependee(this); } void KoConnectionShape::saveOdf(KoShapeSavingContext & context) const { Q_D(const KoConnectionShape); context.xmlWriter().startElement("draw:connector"); saveOdfAttributes(context, OdfMandatories | OdfAdditionalAttributes); switch (d->connectionType) { case Lines: context.xmlWriter().addAttribute("draw:type", "lines"); break; case Straight: context.xmlWriter().addAttribute("draw:type", "line"); break; case Curve: context.xmlWriter().addAttribute("draw:type", "curve"); break; default: context.xmlWriter().addAttribute("draw:type", "standard"); break; } if (d->shape1) { context.xmlWriter().addAttribute("draw:start-shape", context.xmlid(d->shape1, "shape", KoElementReference::Counter).toString()); context.xmlWriter().addAttribute("draw:start-glue-point", d->connectionPointId1); } else { QPointF p(shapeToDocument(d->handles[StartHandle]) * context.shapeOffset(this)); context.xmlWriter().addAttributePt("svg:x1", p.x()); context.xmlWriter().addAttributePt("svg:y1", p.y()); } if (d->shape2) { context.xmlWriter().addAttribute("draw:end-shape", context.xmlid(d->shape2, "shape", KoElementReference::Counter).toString()); context.xmlWriter().addAttribute("draw:end-glue-point", d->connectionPointId2); } else { QPointF p(shapeToDocument(d->handles[EndHandle]) * context.shapeOffset(this)); context.xmlWriter().addAttributePt("svg:x2", p.x()); context.xmlWriter().addAttributePt("svg:y2", p.y()); } // write the path data context.xmlWriter().addAttribute("svg:d", toString()); saveOdfAttributes(context, OdfViewbox); saveOdfCommonChildElements(context); saveText(context); context.xmlWriter().endElement(); } bool KoConnectionShape::loadOdf(const KoXmlElement & element, KoShapeLoadingContext &context) { Q_D(KoConnectionShape); loadOdfAttributes(element, context, OdfMandatories | OdfCommonChildElements | OdfAdditionalAttributes); QString type = element.attributeNS(KoXmlNS::draw, "type", "standard"); if (type == "lines") d->connectionType = Lines; else if (type == "line") d->connectionType = Straight; else if (type == "curve") d->connectionType = Curve; else d->connectionType = Standard; // reset connection point indices d->connectionPointId1 = -1; d->connectionPointId2 = -1; // reset connected shapes d->shape1 = 0; d->shape2 = 0; if (element.hasAttributeNS(KoXmlNS::draw, "start-shape")) { d->connectionPointId1 = element.attributeNS(KoXmlNS::draw, "start-glue-point", QString()).toInt(); QString shapeId1 = element.attributeNS(KoXmlNS::draw, "start-shape", QString()); debugFlake << "references start-shape" << shapeId1 << "at glue-point" << d->connectionPointId1; d->shape1 = context.shapeById(shapeId1); if (d->shape1) { debugFlake << "start-shape was already loaded"; d->shape1->addDependee(this); if (d->shape1->hasConnectionPoint(d->connectionPointId1)) { debugFlake << "connecting to start-shape"; d->handles[StartHandle] = d->shape1->absoluteTransformation(0).map(d->shape1->connectionPoint(d->connectionPointId1).position); debugFlake << "start handle position =" << d->handles[StartHandle]; } } else { debugFlake << "start-shape not loaded yet, deferring connection"; context.updateShape(shapeId1, new KoConnectionShapeLoadingUpdater(this, KoConnectionShapeLoadingUpdater::First)); } } else { d->handles[StartHandle].setX(KoUnit::parseValue(element.attributeNS(KoXmlNS::svg, "x1", QString()))); d->handles[StartHandle].setY(KoUnit::parseValue(element.attributeNS(KoXmlNS::svg, "y1", QString()))); } if (element.hasAttributeNS(KoXmlNS::draw, "end-shape")) { d->connectionPointId2 = element.attributeNS(KoXmlNS::draw, "end-glue-point", "").toInt(); QString shapeId2 = element.attributeNS(KoXmlNS::draw, "end-shape", ""); debugFlake << "references end-shape " << shapeId2 << "at glue-point" << d->connectionPointId2; d->shape2 = context.shapeById(shapeId2); if (d->shape2) { debugFlake << "end-shape was already loaded"; d->shape2->addDependee(this); if (d->shape2->hasConnectionPoint(d->connectionPointId2)) { debugFlake << "connecting to end-shape"; d->handles[EndHandle] = d->shape2->absoluteTransformation(0).map(d->shape2->connectionPoint(d->connectionPointId2).position); debugFlake << "end handle position =" << d->handles[EndHandle]; } } else { debugFlake << "end-shape not loaded yet, deferring connection"; context.updateShape(shapeId2, new KoConnectionShapeLoadingUpdater(this, KoConnectionShapeLoadingUpdater::Second)); } } else { d->handles[EndHandle].setX(KoUnit::parseValue(element.attributeNS(KoXmlNS::svg, "x2", QString()))); d->handles[EndHandle].setY(KoUnit::parseValue(element.attributeNS(KoXmlNS::svg, "y2", QString()))); } QString skew = element.attributeNS(KoXmlNS::draw, "line-skew", QString()); QStringList skewValues = skew.simplified().split(' ', QString::SkipEmptyParts); // TODO apply skew values once we support them // load the path data if there is any d->hasCustomPath = element.hasAttributeNS(KoXmlNS::svg, "d"); if (d->hasCustomPath) { KoPathShapeLoader loader(this); loader.parseSvg(element.attributeNS(KoXmlNS::svg, "d"), true); if (m_subpaths.size() > 0) { QRectF viewBox = loadOdfViewbox(element); if (viewBox.isEmpty()) { // there should be a viewBox to transform the path data // if there is none, use the bounding rectangle of the parsed path viewBox = outline().boundingRect(); } // convert path to viewbox coordinates to have a bounding rect of (0,0 1x1) // which can later be fitted back into the target rect once we have all // the required information QTransform viewMatrix; viewMatrix.scale(viewBox.width() ? static_cast(1.0) / viewBox.width() : 1.0, viewBox.height() ? static_cast(1.0) / viewBox.height() : 1.0); viewMatrix.translate(-viewBox.left(), -viewBox.top()); d->map(viewMatrix); // trigger finishing the connections in case we have all data // otherwise it gets called again once the shapes we are // connected to are loaded } else { d->hasCustomPath = false; } finishLoadingConnection(); } else { d->forceUpdate = true; updateConnections(); } loadText(element, context); return true; } void KoConnectionShape::finishLoadingConnection() { Q_D(KoConnectionShape); if (d->hasCustomPath) { const bool loadingFinished1 = d->connectionPointId1 >= 0 ? d->shape1 != 0 : true; const bool loadingFinished2 = d->connectionPointId2 >= 0 ? d->shape2 != 0 : true; if (loadingFinished1 && loadingFinished2) { QPointF p1, p2; if (d->handleConnected(StartHandle)) { if (d->shape1->hasConnectionPoint(d->connectionPointId1)) { p1 = d->shape1->absoluteTransformation(0).map(d->shape1->connectionPoint(d->connectionPointId1).position); } } else { p1 = d->handles[StartHandle]; } if (d->handleConnected(EndHandle)) { if (d->shape2->hasConnectionPoint(d->connectionPointId2)) { p2 = d->shape2->absoluteTransformation(0).map(d->shape2->connectionPoint(d->connectionPointId2).position); } } else { p2 = d->handles[EndHandle]; } QPointF relativeBegin = m_subpaths.first()->first()->point(); QPointF relativeEnd = m_subpaths.last()->last()->point(); QPointF diffRelative(relativeBegin - relativeEnd); QPointF diffAbsolute(p1 - p2); qreal factorX = diffRelative.x() ? diffAbsolute.x() / diffRelative.x(): 1.0; qreal factorY = diffRelative.y() ? diffAbsolute.y() / diffRelative.y(): 1.0; p1.setX(p1.x() - relativeBegin.x() * factorX); p1.setY(p1.y() - relativeBegin.y() * factorY); p2.setX(p2.x() + (1 - relativeEnd.x()) * factorX); p2.setY(p2.y() + (1 - relativeEnd.y()) * factorY); QRectF targetRect = QRectF(p1, p2).normalized(); // transform the normalized coordinates back to our target rectangle QTransform viewMatrix; viewMatrix.translate(targetRect.x(), targetRect.y()); viewMatrix.scale(targetRect.width(), targetRect.height()); d->map(viewMatrix); // pretend we are during a forced update, so normalize() // will not trigger an updateConnections() call d->forceUpdate = true; normalize(); d->forceUpdate = false; } } else { updateConnections(); } } void KoConnectionShape::moveHandleAction(int handleId, const QPointF &point, Qt::KeyboardModifiers modifiers) { Q_UNUSED(modifiers); Q_D(KoConnectionShape); if (handleId >= d->handles.size()) return; d->handles[handleId] = point; } void KoConnectionShape::updatePath(const QSizeF &size) { Q_UNUSED(size); Q_D(KoConnectionShape); - const qreal MinimumEscapeLength = (qreal)20.; clear(); + // Do not create a path when all handles point to the same point. + bool equal = true; + const QPointF first = d->handles.value(0); + for (int i = 1; equal && i < d->handles.count(); ++i) { + equal = d->handles[i] == first; + } + if (equal) { + return; + } + const qreal MinimumEscapeLength = (qreal)20.; switch (d->connectionType) { case Standard: { d->normalPath(MinimumEscapeLength); if (d->path.count() != 0){ moveTo(d->path[0]); for (int index = 1; index < d->path.count(); ++index) lineTo(d->path[index]); } break; } case Lines: { QPointF direction1 = d->escapeDirection(0); QPointF direction2 = d->escapeDirection(d->handles.count() - 1); moveTo(d->handles[StartHandle]); if (! direction1.isNull()) lineTo(d->handles[StartHandle] + MinimumEscapeLength * direction1); if (! direction2.isNull()) lineTo(d->handles[EndHandle] + MinimumEscapeLength * direction2); lineTo(d->handles[EndHandle]); break; } case Straight: moveTo(d->handles[StartHandle]); lineTo(d->handles[EndHandle]); break; case Curve: // TODO QPointF direction1 = d->escapeDirection(0); QPointF direction2 = d->escapeDirection(d->handles.count() - 1); moveTo(d->handles[StartHandle]); if (! direction1.isNull() && ! direction2.isNull()) { QPointF curvePoint1 = d->handles[StartHandle] + 5.0 * MinimumEscapeLength * direction1; QPointF curvePoint2 = d->handles[EndHandle] + 5.0 * MinimumEscapeLength * direction2; curveTo(curvePoint1, curvePoint2, d->handles[EndHandle]); } else { lineTo(d->handles[EndHandle]); } break; } normalize(); } bool KoConnectionShape::connectFirst(KoShape * shape1, int connectionPointId) { Q_D(KoConnectionShape); // refuse to connect to a shape that depends on us (e.g. a artistic text shape) if (hasDependee(shape1)) return false; if (shape1) { // check if the connection point does exist if (!shape1->hasConnectionPoint(connectionPointId)) return false; // do not connect to the same connection point twice if (d->shape2 == shape1 && d->connectionPointId2 == connectionPointId) return false; } if (d->shape1) d->shape1->removeDependee(this); d->shape1 = shape1; if (d->shape1) d->shape1->addDependee(this); d->connectionPointId1 = connectionPointId; return true; } bool KoConnectionShape::connectSecond(KoShape * shape2, int connectionPointId) { Q_D(KoConnectionShape); // refuse to connect to a shape that depends on us (e.g. a artistic text shape) if (hasDependee(shape2)) return false; if (shape2) { // check if the connection point does exist if (!shape2->hasConnectionPoint(connectionPointId)) return false; // do not connect to the same connection point twice if (d->shape1 == shape2 && d->connectionPointId1 == connectionPointId) return false; } if (d->shape2) d->shape2->removeDependee(this); d->shape2 = shape2; if (d->shape2) d->shape2->addDependee(this); d->connectionPointId2 = connectionPointId; return true; } KoShape *KoConnectionShape::firstShape() const { Q_D(const KoConnectionShape); return d->shape1; } int KoConnectionShape::firstConnectionId() const { Q_D(const KoConnectionShape); return d->connectionPointId1; } KoShape *KoConnectionShape::secondShape() const { Q_D(const KoConnectionShape); return d->shape2; } int KoConnectionShape::secondConnectionId() const { Q_D(const KoConnectionShape); return d->connectionPointId2; } KoConnectionShape::Type KoConnectionShape::type() const { Q_D(const KoConnectionShape); return d->connectionType; } void KoConnectionShape::setType(Type connectionType) { Q_D(KoConnectionShape); d->connectionType = connectionType; updatePath(size()); } void KoConnectionShape::shapeChanged(ChangeType type, KoShape *shape) { Q_D(KoConnectionShape); KoTosContainer::shapeChanged(type, shape); // check if we are during a forced update const bool updateIsActive = d->forceUpdate; switch (type) { case PositionChanged: case RotationChanged: case ShearChanged: case ScaleChanged: case GenericMatrixChange: case ParameterChanged: if (isParametricShape() && shape == 0) d->forceUpdate = true; break; case Deleted: if (shape != d->shape1 && shape != d->shape2) return; if (shape == d->shape1) connectFirst(0, -1); if (shape == d->shape2) connectSecond(0, -1); break; case ConnectionPointChanged: if (shape == d->shape1 && !shape->hasConnectionPoint(d->connectionPointId1)) { connectFirst(0, -1); } else if ( shape == d->shape2 && !shape->hasConnectionPoint(d->connectionPointId2)){ connectSecond(0, -1); } else { d->forceUpdate = true; } break; case BackgroundChanged: { // connection shape should not have a background QSharedPointer fill = background(); if (fill) { setBackground(QSharedPointer(0)); } return; } default: return; } // the connection was moved while it is connected to some other shapes const bool connectionChanged = !shape && (d->shape1 || d->shape2); // one of the connected shape has moved const bool connectedShapeChanged = shape && (shape == d->shape1 || shape == d->shape2); if (!updateIsActive && (connectionChanged || connectedShapeChanged) && isParametricShape()) updateConnections(); // reset the forced update flag d->forceUpdate = false; } QString KoConnectionShape::pathShapeId() const { return KOCONNECTIONSHAPEID; }