C++ SoSearchAction::setSearchingAll方法代码示例

void SoFCIndexedFaceSet::doAction(SoAction * action)
{
    if (action->getTypeId() == Gui::SoGLSelectAction::getClassTypeId()) {
        SoNode* node = action->getNodeAppliedTo();
        if (!node) return; // on no node applied

        // The node we have is the parent of this node and the coordinate node
        // thus we search there for it.
        SoSearchAction sa;
        sa.setInterest(SoSearchAction::FIRST);
        sa.setSearchingAll(false);
        sa.setType(SoCoordinate3::getClassTypeId(), 1);
        sa.apply(node);
        SoPath * path = sa.getPath();
        if (!path) return;

        // make sure we got the node we wanted
        SoNode* coords = path->getNodeFromTail(0);
        if (!(coords && coords->getTypeId().isDerivedFrom(SoCoordinate3::getClassTypeId())))
            return;
        startSelection(action);
        renderSelectionGeometry(static_cast<SoCoordinate3*>(coords)->point.getValues(0));
        stopSelection(action);
    }
    else if (action->getTypeId() == Gui::SoVisibleFaceAction::getClassTypeId()) {
        SoNode* node = action->getNodeAppliedTo();
        if (!node) return; // on no node applied

        // The node we have is the parent of this node and the coordinate node
        // thus we search there for it.
        SoSearchAction sa;
        sa.setInterest(SoSearchAction::FIRST);
        sa.setSearchingAll(false);
        sa.setType(SoCoordinate3::getClassTypeId(), 1);
        sa.apply(node);
        SoPath * path = sa.getPath();
        if (!path) return;

        // make sure we got the node we wanted
        SoNode* coords = path->getNodeFromTail(0);
        if (!(coords && coords->getTypeId().isDerivedFrom(SoCoordinate3::getClassTypeId())))
            return;
        startVisibility(action);
        renderVisibleFaces(static_cast<SoCoordinate3*>(coords)->point.getValues(0));
        stopVisibility(action);
    }

    inherited::doAction(action);
}

void ViewProviderVRMLObject::getLocalResources(SoNode* node, std::list<std::string>& resources)
{
    // search for SoVRMLInline files
    SoSearchAction sa;
    sa.setType(SoVRMLInline::getClassTypeId());
    sa.setInterest(SoSearchAction::ALL);
    sa.setSearchingAll(true);
    sa.apply(node);

    const SoPathList & pathlist = sa.getPaths();
    for (int i = 0; i < pathlist.getLength(); i++ ) {
        SoPath * path = pathlist[i];
        SoVRMLInline * vrml = static_cast<SoVRMLInline*>(path->getTail());
        const SbString& url = vrml->getFullURLName();
        if (url.getLength() > 0) {
            // add the resource file if not yet listed
            if (std::find(resources.begin(), resources.end(), url.getString()) == resources.end()) {
                resources.push_back(url.getString());
            }

            // if the resource file could be loaded check if it references further resources
            if (vrml->getChildData()) {
                getLocalResources(vrml->getChildData(), resources);
            }
        }
    }

    // search for SoVRMLImageTexture, ... files
    getResourceFile<SoVRMLImageTexture  >(node, resources);
    getResourceFile<SoVRMLMovieTexture  >(node, resources);
    getResourceFile<SoVRMLScript        >(node, resources);
    getResourceFile<SoVRMLBackground    >(node, resources);
    getResourceFile<SoVRMLAudioClip     >(node, resources);
    getResourceFile<SoVRMLAnchor        >(node, resources);
}

void
SoXipImageOverlayManager::updateSliceMap()
{
	// Removes all the previous entries
	mSliceMap.clear();

	SoSearchAction sa;
	sa.setInterest( SoSearchAction::ALL );
	sa.setType( SoXipShapeList::getClassTypeId() );
	sa.setSearchingAll( TRUE );
	sa.apply( mShapeSwitch );

	SoPathList paths = sa.getPaths();
	for( int i = 0; i < paths.getLength(); ++ i )
	{
		SbString label = ((SoXipShapeList *) paths[i]->getTail())->label.getValue().getString();

		int sliceIndex;
		if( sscanf( label.getString(), "%d", &sliceIndex ) != 1 )
		{
			SoDebugError::post( __FILE__, "Invalid label found '%s'", label.getString() );
			continue  ;
		}
		
		mSliceMap[ sliceIndex ] = (SoXipShapeList *) paths[i]->getTail();
	}
}

SoPickedPoint* ViewProvider::getPointOnRay(const SbVec2s& pos, const View3DInventorViewer* viewer) const
{
    //first get the path to this node and calculate the current transformation
    SoSearchAction sa;
    sa.setNode(pcRoot);
    sa.setSearchingAll(true);
    sa.apply(viewer->getSoRenderManager()->getSceneGraph());
    if (!sa.getPath())
        return nullptr;
    SoGetMatrixAction gm(viewer->getSoRenderManager()->getViewportRegion());
    gm.apply(sa.getPath());

    SoTransform* trans = new SoTransform;
    trans->setMatrix(gm.getMatrix());
    trans->ref();
    
    // build a temporary scenegraph only keeping this viewproviders nodes and the accumulated 
    // transformation
    SoSeparator* root = new SoSeparator;
    root->ref();
    root->addChild(viewer->getSoRenderManager()->getCamera());
    root->addChild(trans);
    root->addChild(pcRoot);

    //get the picked point
    SoRayPickAction rp(viewer->getSoRenderManager()->getViewportRegion());
    rp.setPoint(pos);
    rp.setRadius(viewer->getPickRadius());
    rp.apply(root);
    root->unref();
    trans->unref();

    SoPickedPoint* pick = rp.getPickedPoint();
    return (pick ? new SoPickedPoint(*pick) : 0);
}

void LightManip(SoSeparator * root)
{

  SoInput in;
  in.setBuffer((void *)scenegraph, std::strlen(scenegraph));
  SoSeparator * _root = SoDB::readAll( &in );
  if ( _root == NULL ) return; // Shouldn't happen.
  root->addChild(_root);
  root->ref();

  const char * pointlightnames[3] = { "RedLight", "GreenLight", "BlueLight" };
  SoSearchAction sa;

  for (int i = 0; i < 3; i++) {
    sa.setName( pointlightnames[i] );
    sa.setInterest( SoSearchAction::FIRST );
    sa.setSearchingAll( false );
    sa.apply( root );
    SoPath * path = sa.getPath();
    if ( path == NULL) return; // Shouldn't happen.

    SoPointLightManip * manip = new SoPointLightManip;
    manip->replaceNode( path );
  }


} 

SoNodeList Renderer::getChildByName(SoSeparator * ivRoot, SbName & childName,
                                            SoType targetType, int maxResultsExpected)
{
    assert(ivRoot);
    SoNodeList resultList;

    SoSearchAction sa;
    sa.setSearchingAll(true);

    sa.setType(targetType, true);
    sa.setInterest( SoSearchAction::ALL);
    sa.setName(childName);
    sa.setFind(SoSearchAction::NAME);
    sa.apply(ivRoot);

    SoPathList &pathList = sa.getPaths();
    int numPaths = pathList.getLength();
    if (numPaths > maxResultsExpected)
    {
        //DBGA(this->className() << "::getChildByName::Found too many children of node: "
        //     << ivRoot->getName().getString()  << " with name: "
        //     <<childName.getString() << " " );
        //DBGA(this->className() << "::getChildByName:: Expected:" << maxResultsExpected
        //     << " Found:" << numPaths);
        //resultList.append(static_cast<SoNode *>(NULL));
        return resultList;
    }

    for(int i = 0; i < numPaths; ++i)
    {
        resultList.append(pathList[i]->getTail());
    }
    return resultList;
}

void ViewProviderVRMLObject::getResourceFile(SoNode* node, std::list<std::string>& resources)
{
    SoSearchAction sa;
    sa.setType(T::getClassTypeId());
    sa.setInterest(SoSearchAction::ALL);
    sa.setSearchingAll(true);
    sa.apply(node);
    const SoPathList & pathlist = sa.getPaths();
    for (int i = 0; i < pathlist.getLength(); i++ ) {
        SoFullPath * path = static_cast<SoFullPath *>(pathlist[i]);
        if (path->getTail()->isOfType(T::getClassTypeId())) {
            T * tex = static_cast<T*>(path->getTail());
            for (int j = 0; j < tex->url.getNum(); j++) {
                this->addResource(tex->url[j], resources);
            }
        }
    }
}

void ViewProviderVRMLObject::getResourceFile<SoVRMLBackground>(SoNode* node, std::list<std::string>& resources)
{
    SoSearchAction sa;
    sa.setType(SoVRMLBackground::getClassTypeId());
    sa.setInterest(SoSearchAction::ALL);
    sa.setSearchingAll(true);
    sa.apply(node);
    const SoPathList & pathlist = sa.getPaths();
    for (int i = 0; i < pathlist.getLength(); i++ ) {
        SoFullPath * path = static_cast<SoFullPath *>(pathlist[i]);
        if (path->getTail()->isOfType(SoVRMLBackground::getClassTypeId())) {
            SoVRMLBackground * vrml = static_cast<SoVRMLBackground*>(path->getTail());
            // backUrl
            for (int j = 0; j < vrml->backUrl.getNum(); j++) {
                addResource(vrml->backUrl[j], resources);
            }
            // bottomUrl
            for (int j = 0; j < vrml->bottomUrl.getNum(); j++) {
                addResource(vrml->bottomUrl[j], resources);
            }
            // frontUrl
            for (int j = 0; j < vrml->frontUrl.getNum(); j++) {
                addResource(vrml->frontUrl[j], resources);
            }
            // leftUrl
            for (int j = 0; j < vrml->leftUrl.getNum(); j++) {
                addResource(vrml->leftUrl[j], resources);
            }
            // rightUrl
            for (int j = 0; j < vrml->rightUrl.getNum(); j++) {
                addResource(vrml->rightUrl[j], resources);
            }
            // topUrl
            for (int j = 0; j < vrml->topUrl.getNum(); j++) {
                addResource(vrml->topUrl[j], resources);
            }
        }
    }
}

bool ViewProviderMirror::setEdit(int ModNum)
{
    if (ModNum == ViewProvider::Default) {
        // get the properties from the mirror feature
        Part::Mirroring* mf = static_cast<Part::Mirroring*>(getObject());
        Base::BoundBox3d bbox = mf->Shape.getBoundingBox();
        float len = (float)bbox.CalcDiagonalLength();
        Base::Vector3d base = mf->Base.getValue();
        Base::Vector3d norm = mf->Normal.getValue();
        Base::Vector3d cent = bbox.GetCenter();
        base = cent.ProjToPlane(base, norm);

        // setup the graph for editing the mirror plane
        SoTransform* trans = new SoTransform;
        SbRotation rot(SbVec3f(0,0,1), SbVec3f(norm.x,norm.y,norm.z));
        trans->rotation.setValue(rot);
        trans->translation.setValue(base.x,base.y,base.z);
        trans->center.setValue(0.0f,0.0f,0.0f);

        SoMaterial* color = new SoMaterial();
        color->diffuseColor.setValue(0,0,1);
        color->transparency.setValue(0.5);
        SoCoordinate3* points = new SoCoordinate3();
        points->point.setNum(4);
        points->point.set1Value(0, -len/2,-len/2,0);
        points->point.set1Value(1,  len/2,-len/2,0);
        points->point.set1Value(2,  len/2, len/2,0);
        points->point.set1Value(3, -len/2, len/2,0);
        SoFaceSet* face = new SoFaceSet();
        pcEditNode->addChild(trans);
        pcEditNode->addChild(color);
        pcEditNode->addChild(points);
        pcEditNode->addChild(face);

        // Now we replace the SoTransform node by a manipulator
        // Note: Even SoCenterballManip inherits from SoTransform
        // we cannot use it directly (in above code) because the
        // translation and center fields are overridden.
        SoSearchAction sa;
        sa.setInterest(SoSearchAction::FIRST);
        sa.setSearchingAll(FALSE);
        sa.setNode(trans);
        sa.apply(pcEditNode);
        SoPath * path = sa.getPath();
        if (path) {
            SoCenterballManip * manip = new SoCenterballManip;
            manip->replaceNode(path);

            SoDragger* dragger = manip->getDragger();
            dragger->addStartCallback(dragStartCallback, this);
            dragger->addFinishCallback(dragFinishCallback, this);
            dragger->addMotionCallback(dragMotionCallback, this);
        }
        pcRoot->addChild(pcEditNode);
    }
    else {
        ViewProviderPart::setEdit(ModNum);
    }

    return true;
}

void ViewProviderRobotObject::updateData(const App::Property* prop)
{
    Robot::RobotObject* robObj = static_cast<Robot::RobotObject*>(pcObject);
    if (prop == &robObj->RobotVrmlFile) {
        // read also from file
        const char* filename = robObj->RobotVrmlFile.getValue();
        QString fn = QString::fromUtf8(filename);
        QFile file(fn);
        SoInput in;
        pcRobotRoot->removeAllChildren();
        if (!fn.isEmpty() && file.open(QFile::ReadOnly)) {
            QByteArray buffer = file.readAll();
            in.setBuffer((void *)buffer.constData(), buffer.length());
            SoSeparator * node = SoDB::readAll(&in);
            if (node) pcRobotRoot->addChild(node);
            pcRobotRoot->addChild(pcTcpRoot);
        }
		// search for the conection points +++++++++++++++++++++++++++++++++++++++++++++++++
		Axis1Node = Axis2Node = Axis3Node = Axis4Node = Axis5Node = Axis6Node = 0;
		SoSearchAction searchAction;
		SoPath * path;

		// Axis 1
		searchAction.setName("FREECAD_AXIS1");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis1Node = static_cast<SoVRMLTransform *>(node);
		}
		// Axis 2
		searchAction.setName("FREECAD_AXIS2");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis2Node = static_cast<SoVRMLTransform *>(node);
		}
		// Axis 3
		searchAction.setName("FREECAD_AXIS3");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis3Node = static_cast<SoVRMLTransform *>(node);
		}
		// Axis 4
		searchAction.setName("FREECAD_AXIS4");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis4Node = static_cast<SoVRMLTransform *>(node);
		}
		// Axis 5
		searchAction.setName("FREECAD_AXIS5");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis5Node = static_cast<SoVRMLTransform *>(node);
		}
		// Axis 6
		searchAction.setName("FREECAD_AXIS6");
		searchAction.setInterest(SoSearchAction::FIRST);
		searchAction.setSearchingAll(FALSE);
		searchAction.apply(pcRobotRoot);
		path = searchAction.getPath();
		if(path){
			SoNode* node = path->getTail();
			std::string typeName = (const char*)node->getTypeId().getName();
			if (!node || node->getTypeId() != SoVRMLTransform::getClassTypeId())
				throw; // should not happen
			Axis6Node = static_cast<SoVRMLTransform *>(node);
		}
//.........这里部分代码省略.........