OpenSceneGraph/src/osgGA/KeySwitchCameraManipulator.cpp

#include <osgGA/KeySwitchCameraManipulator>
#include <osg/Notify>

using namespace osgGA;

void KeySwitchCameraManipulator::addCameraManipulator(int key, std::string name, CameraManipulator *cm)
{
    if(!cm) return;

    _manips[key]=std::make_pair(name,osg::ref_ptr<CameraManipulator>(cm));
    if(!_current.valid()){
        _current=cm;
    }
}

bool KeySwitchCameraManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& aa)
{
    if(ea.getEventType()==GUIEventAdapter::KEYBOARD){

        KeyManipMap::iterator it=_manips.find(ea.getKey());
        if(it != _manips.end()){
            osg::notify(osg::INFO)<<"Switching to manipulator: "<<(*it).second.first<<std::endl;
            std::cout<<"***Switching to manipulator: "<<(*it).second.first<<std::endl;
            it->second.second->setNode(_current->getNode());
            it->second.second->setCamera(_current->getCamera());
            it->second.second->init(ea,aa);
            _current = it->second.second;

            //_cameraManipChangeCallbacks.notify(this);

        }
    }

    return _current->handle(ea,aa);
}

// void KeySwitchCameraManipulator::addCallback(Callback* c)
// {
//     _cameraManipChangeCallbacks.addCallback(c);
// }
// 
// void KeySwitchCameraManipulator::removeCallback(Callback* c)
// {
//     _cameraManipChangeCallbacks.removeCallback(c);
// }