void NodePainter:: drawEntryLabels(QPainter * painter, NodeGeometry const & geom, NodeState const & state, NodeDataModel const * model) { QFontMetrics const & metrics = painter->fontMetrics(); for(PortType portType: {PortType::Out, PortType::In}) { auto const &nodeStyle = model->nodeStyle(); auto& entries = state.getEntries(portType); size_t n = entries.size(); for (size_t i = 0; i < n; ++i) { QPointF p = geom.portScenePosition(i, portType); if (entries[i].empty()) painter->setPen(nodeStyle.FontColorFaded); else painter->setPen(nodeStyle.FontColor); QString s; if (model->portCaptionVisible(portType, i)) { s = model->portCaption(portType, i); } else { s = model->dataType(portType, i).name; } auto rect = metrics.boundingRect(s); p.setY(p.y() + rect.height() / 4.0); switch (portType) { case PortType::In: p.setX(5.0); break; case PortType::Out: p.setX(geom.width() - 5.0 - rect.width()); break; default: break; } painter->drawText(p, s); } } }
void NodePainter:: drawFilledConnectionPoints(QPainter * painter, NodeGeometry const & geom, NodeState const & state, NodeDataModel const * model) { NodeStyle const& nodeStyle = model->nodeStyle(); auto const & connectionStyle = StyleCollection::connectionStyle(); auto diameter = nodeStyle.ConnectionPointDiameter; for(PortType portType: {PortType::Out, PortType::In}) { size_t n = state.getEntries(portType).size(); for (size_t i = 0; i < n; ++i) { QPointF p = geom.portScenePosition(i, portType); if (!state.getEntries(portType)[i].empty()) { auto const & dataType = model->dataType(portType, i); if (connectionStyle.useDataDefinedColors()) { QColor const c = connectionStyle.normalColor(dataType.id); painter->setPen(c); painter->setBrush(c); } else { painter->setPen(nodeStyle.FilledConnectionPointColor); painter->setBrush(nodeStyle.FilledConnectionPointColor); } painter->drawEllipse(p, diameter * 0.4, diameter * 0.4); } } } }
void NodePainter:: drawConnectionPoints(QPainter* painter, NodeGeometry const& geom, NodeState const& state, NodeDataModel const * model, FlowScene const & scene) { NodeStyle const& nodeStyle = model->nodeStyle(); auto const &connectionStyle = StyleCollection::connectionStyle(); float diameter = nodeStyle.ConnectionPointDiameter; auto reducedDiameter = diameter * 0.6; for(PortType portType: {PortType::Out, PortType::In}) { size_t n = state.getEntries(portType).size(); for (unsigned int i = 0; i < n; ++i) { QPointF p = geom.portScenePosition(i, portType); auto const & dataType = model->dataType(portType, i); bool canConnect = (state.getEntries(portType)[i].empty() || (portType == PortType::Out && model->portOutConnectionPolicy(i) == NodeDataModel::ConnectionPolicy::Many) ); double r = 1.0; if (state.isReacting() && canConnect && portType == state.reactingPortType()) { auto diff = geom.draggingPos() - p; double dist = std::sqrt(QPointF::dotProduct(diff, diff)); bool typeConvertable = false; { if (portType == PortType::In) { typeConvertable = scene.registry().getTypeConverter(state.reactingDataType(), dataType) != nullptr; } else { typeConvertable = scene.registry().getTypeConverter(dataType, state.reactingDataType()) != nullptr; } } if (state.reactingDataType().id == dataType.id || typeConvertable) { double const thres = 40.0; r = (dist < thres) ? (2.0 - dist / thres ) : 1.0; } else { double const thres = 80.0; r = (dist < thres) ? (dist / thres) : 1.0; } } if (connectionStyle.useDataDefinedColors()) { painter->setBrush(connectionStyle.normalColor(dataType.id)); } else { painter->setBrush(nodeStyle.ConnectionPointColor); } painter->drawEllipse(p, reducedDiameter * r, reducedDiameter * r); } }; }