bool ViewProviderCurveNet::handleEvent(const SoEvent * const ev, Gui::View3DInventorViewer &Viewer) { SbVec3f point, norm; // get the position of the mouse const SbVec2s pos(ev->getPosition()); // Keybooard events if (ev->getTypeId().isDerivedFrom(SoKeyboardEvent::getClassTypeId())) { SoKeyboardEvent * ke = (SoKeyboardEvent *)ev; switch (ke->getKey()) { case SoKeyboardEvent::LEFT_ALT: case SoKeyboardEvent::RIGHT_ALT: case SoKeyboardEvent::LEFT_CONTROL: case SoKeyboardEvent::RIGHT_CONTROL: case SoKeyboardEvent::LEFT_SHIFT: case SoKeyboardEvent::RIGHT_SHIFT: break; default: break; } } // switching the mouse buttons if (ev->getTypeId().isDerivedFrom(SoMouseButtonEvent::getClassTypeId())) { const SoMouseButtonEvent * const event = (const SoMouseButtonEvent *) ev; const int button = event->getButton(); const SbBool press = event->getState() == SoButtonEvent::DOWN ? true : false; // which button pressed? switch (button) { case SoMouseButtonEvent::BUTTON1: if (press) { Base::Console().Log("ViewProviderCurveNet::handleEvent() press left\n"); bool bIsNode = false; for (std::list<Node>::iterator It = NodeList.begin();It != NodeList.end(); It++) { if (It->pcHighlight->isHighlighted()) { bIsNode = true; PointToMove = *It; break; } } if (bIsNode) { // set the provider in point move mode and remember the point bMovePointMode = true; // PointToMove = *It; ### Error 'It' is out of scope->move inside the loop return true; } else if(Viewer.pickPoint(pos,point,norm)) { Node n; Base::Console().Log("Picked(%f,%f,%f)\n",point[0],point[1],point[2]); SoSeparator *TransRoot = new SoSeparator(); n.pcTransform = new SoTransform(); TransRoot->addChild(n.pcTransform); n.pcTransform->translation.setValue(point); n.pcHighlight = new Gui::SoFCSelection(); SoSphere * sphere = new SoSphere; sphere->radius = (float)pcLineStyle->pointSize.getValue(); n.pcHighlight->addChild(sphere); TransRoot->addChild(n.pcHighlight); VertexRoot->addChild(TransRoot); NodeList.push_back(n); return true; } } else // if(pressd).. { if (bMovePointMode) { bMovePointMode = false; return true; } } break; } } // Mouse Movement handling if (ev->getTypeId().isDerivedFrom(SoLocation2Event::getClassTypeId())) { // const SoLocation2Event * const event = (const SoLocation2Event *) ev; if (bMovePointMode && Viewer.pickPoint(pos,point,norm) ){ PointToMove.pcTransform->translation.setValue(point); return true; } } // event not processed return false; }