# include "config.h"
#endif
+#include <memory>
#include <string.h>
#include "NasalCanvas.hxx"
+#include <Canvas/canvas_mgr.hxx>
+#include <Main/globals.hxx>
+//#include <boost/python.hpp>
#include <boost/foreach.hpp>
+#include <boost/function.hpp>
+#include <boost/utility/enable_if.hpp>
#include <boost/algorithm/string/case_conv.hpp>
-
+#include <boost/make_shared.hpp>
#include <osgGA/GUIEventAdapter>
#include <simgear/sg_inlines.h>
#include <simgear/canvas/Canvas.hxx>
#include <simgear/canvas/elements/CanvasElement.hxx>
-static naRef canvasPrototype;
static naRef elementPrototype;
-static naRef eventPrototype;
-
-static void canvasGhostDestroy(void* g);
-static void elementGhostDestroy(void* g);
-static void eventGhostDestroy(void* g);
+static naRef propsNodePrototype;
-static const char* canvasGhostGetMember(naContext c, void* g, naRef field, naRef* out);
-naGhostType CanvasGhostType = { canvasGhostDestroy, "canvas", canvasGhostGetMember, 0 };
-
-static const char* elementGhostGetMember(naContext c, void* g, naRef field, naRef* out);
-static void elementGhostSetMember(naContext c, void* g, naRef field, naRef value);
-naGhostType ElementGhostType = { elementGhostDestroy, "canvas.element",
- elementGhostGetMember, elementGhostSetMember };
-
-static const char* eventGhostGetMember(naContext c, void* g, naRef field, naRef* out);
-naGhostType EventGhostType = { eventGhostDestroy, "ga-event", eventGhostGetMember, 0 };
+extern naRef propNodeGhostCreate(naContext c, SGPropertyNode* n);
static void hashset(naContext c, naRef hash, const char* key, naRef val)
{
naHash_set(hash, s, val);
}
-static naRef stringToNasal(naContext c, const std::string& s)
+template<class T>
+typename boost::enable_if<boost::is_arithmetic<T>, naRef>::type
+convertToNasal(T val)
{
- return naStr_fromdata(naNewString(c),
- const_cast<char *>(s.c_str()),
- s.length());
+ return naNum(val);
}
-static naRef eventTypeToNasal(naContext c, osgGA::GUIEventAdapter::EventType ty)
+//void initCanvasPython()
+//{
+// using namespace boost::python;
+// class_<simgear::canvas::Canvas>("Canvas");
+//}
+
+namespace sc = simgear::canvas;
+
+naRef canvasGetTexture(naContext c, sc::Canvas* canvas)
{
- switch (ty) {
- case osgGA::GUIEventAdapter::PUSH: return stringToNasal(c, "push");
- case osgGA::GUIEventAdapter::RELEASE: return stringToNasal(c, "release");
- case osgGA::GUIEventAdapter::DOUBLECLICK: return stringToNasal(c, "double-click");
- case osgGA::GUIEventAdapter::DRAG: return stringToNasal(c, "drag");
- case osgGA::GUIEventAdapter::MOVE: return stringToNasal(c, "move");
- case osgGA::GUIEventAdapter::SCROLL: return stringToNasal(c, "scroll");
- case osgGA::GUIEventAdapter::KEYUP: return stringToNasal(c, "key-up");
- case osgGA::GUIEventAdapter::KEYDOWN: return stringToNasal(c, "key-down");
-
- default:
- break;
- }
-
- return naNil();
+ //{ parents : [Node], _g : node }
+ naRef parents = naNewVector(c);
+ naVec_append(parents, propsNodePrototype);
+
+ naRef node = naNewHash(c);
+ hashset(c, node, "parents", parents);
+ hashset(c, node, "_g", propNodeGhostCreate(c, canvas->getProps()));
+
+ return node;
}
-static simgear::canvas::Element* elementGhost(naRef r)
+namespace nasal
{
- if (naGhost_type(r) == &ElementGhostType)
- return (simgear::canvas::Element*) naGhost_ptr(r);
- return 0;
+
+ template<class T>
+ struct class_traits
+ {
+ typedef boost::false_type::type is_shared;
+ typedef T raw_type;
+ };
+
+ template<class T>
+ struct class_traits<boost::shared_ptr<T> >
+ {
+ typedef boost::true_type::type is_shared;
+ typedef T raw_type;
+ };
+
+ template<class T>
+ struct class_traits<osg::ref_ptr<T> >
+ {
+ typedef boost::true_type::type is_shared;
+ typedef T raw_type;
+ };
+
+ template<class T>
+ struct class_traits<SGSharedPtr<T> >
+ {
+ typedef boost::true_type::type is_shared;
+ typedef T raw_type;
+ };
+
+ template<class T>
+ struct SharedPointerPolicy
+ {
+ typedef typename class_traits<T>::raw_type raw_type;
+
+ /**
+ * Create a shared pointer on the heap to handle the reference counting for
+ * the passed shared pointer while it is used in Nasal space.
+ */
+ static T* createInstance(const T& ptr)
+ {
+ return new T(ptr);
+ }
+
+ static raw_type* getRawPtr(void* ptr)
+ {
+ return static_cast<T*>(ptr)->get();
+ }
+ };
+
+ template<class T>
+ struct RawPointerPolicy
+ {
+ typedef typename class_traits<T>::raw_type raw_type;
+
+ static T* createInstance()
+ {
+ return new T();
+ }
+
+ static raw_type* getRawPtr(void* ptr)
+ {
+ BOOST_STATIC_ASSERT((boost::is_same<raw_type, T>::value));
+ return static_cast<T*>(ptr);
+ }
+ };
+
+ class class_metadata
+ {
+ public:
+ void addNasalBase(const naRef& parent)
+ {
+ assert( naIsHash(parent) );
+ _parents.push_back(parent);
+ }
+
+ protected:
+ const std::string _name;
+ naGhostType _ghost_type;
+ std::vector<class_metadata*> _base_classes;
+ std::vector<naRef> _parents;
+
+ explicit class_metadata(const std::string& name):
+ _name(name)
+ {
+
+ }
+
+ void addBaseClass(class_metadata* base)
+ {
+ assert(base);
+ std::cout << _name << ": addBase(" << base->_name << ")" << std::endl;
+ _base_classes.push_back(base);
+ }
+
+ naRef getParents(naContext c)
+ {
+ naRef parents = naNewVector(c);
+ for(size_t i = 0; i < _parents.size(); ++i)
+ naVec_append(parents, _parents[i]);
+ return parents;
+ }
+ };
+
+ /**
+ * Class for exposing C++ objects to Nasal
+ */
+ template<class T>
+ class class_:
+ public class_metadata,
+ protected boost::mpl::if_< typename class_traits<T>::is_shared,
+ SharedPointerPolicy<T>,
+ RawPointerPolicy<T> >::type
+ {
+ private:
+ typedef typename class_traits<T>::raw_type raw_type;
+
+ public:
+
+ typedef boost::function<naRef(naContext c, raw_type*)> getter_t;
+ typedef std::map<std::string, getter_t> GetterMap;
+
+ static class_& init(const std::string& name)
+ {
+ getSingletonHolder().reset( new class_(name) );
+ return *getSingletonPtr();
+ }
+
+ static naRef f_create(naContext c, naRef me, int argc, naRef* args)
+ {
+ return create(c);
+ }
+
+ static naRef create( naContext c )
+ {
+ return makeGhost(c, class_::createInstance());
+ }
+
+ // TODO use variadic template when supporting C++11
+ template<class A1>
+ static naRef create( naContext c, const A1& a1 )
+ {
+ return makeGhost(c, class_::createInstance(a1));
+ }
+
+ class_& bases(const naRef& parent)
+ {
+ addNasalBase(parent);
+ return *this;
+ }
+
+ template<class Base>
+ typename boost::enable_if
+ < boost::is_convertible<Base, class_metadata>,
+ class_
+ >::type&
+ bases()
+ {
+ Base* base = Base::getSingletonPtr();
+ addBaseClass( base );
+
+ // Replace any getter that is not available in the current class.
+ // TODO check if this is the correct behavior of function overriding
+ const typename Base::GetterMap& base_getter = base->getGetter();
+ for( typename Base::GetterMap::const_iterator getter =
+ base_getter.begin();
+ getter != base_getter.end();
+ ++getter )
+ {
+ if( _getter.find(getter->first) == _getter.end() )
+ _getter.insert( *getter );
+ }
+
+ return *this;
+ }
+
+ template<class Type>
+ typename boost::enable_if_c
+ < !boost::is_convertible< Type, class_metadata>::value,
+ class_
+ >::type&
+ bases()
+ {
+ return bases< class_<Type> >();
+ }
+
+ template<class Var>
+ class_& def( const std::string& field,
+ Var (raw_type::*getter)() const )
+ {
+ _getter[field] = boost::bind( &convertToNasal<Var>,
+ boost::bind(getter, _2) );
+ return *this;
+ }
+
+ class_& def_readonly( const std::string& field,
+ getter_t getter )
+ {
+ _getter[field] = getter;
+ return *this;
+ }
+
+ /**
+ * Data member
+ */
+ template<class Var>
+ class_& def_readonly( const std::string& field,
+ Var raw_type::*var )
+ {
+ _getter[field] = boost::bind( &convertToNasal<Var>,
+ boost::bind(var, _2) );
+ return *this;
+ }
+
+ static class_* getSingletonPtr()
+ {
+ return getSingletonHolder().get();
+ }
+
+ const GetterMap& getGetter() const
+ {
+ return _getter;
+ }
+
+ private:
+
+ typedef std::auto_ptr<class_> class_ptr;
+ GetterMap _getter;
+
+ explicit class_(const std::string& name):
+ class_metadata( name )
+ {
+ _ghost_type.destroy = &destroyGhost;
+ _ghost_type.name = _name.c_str();
+ _ghost_type.get_member = &getMember;
+ _ghost_type.set_member = 0;
+ }
+
+ static class_ptr& getSingletonHolder()
+ {
+ static class_ptr instance;
+ return instance;
+ }
+
+ static naRef makeGhost(naContext c, void *ptr)
+ {
+ std::cout << "makeGhost " << ptr << std::endl;
+ return naNewGhost2(c, &getSingletonPtr()->_ghost_type, ptr);
+ }
+
+ static void destroyGhost(void *ptr)
+ {
+ std::cout << "destroyGhost " << ptr << std::endl;
+ delete (T*)ptr;
+ }
+
+ static const char* getMember(naContext c, void* g, naRef field, naRef* out)
+ {
+ const std::string key = naStr_data(field);
+ if( key == "parents" )
+ {
+ *out = getSingletonPtr()->getParents(c);
+ return "";
+ }
+
+ typename GetterMap::iterator getter =
+ getSingletonPtr()->_getter.find(key);
+
+ if( getter == getSingletonPtr()->_getter.end() )
+ return 0;
+
+ *out = getter->second(c, class_::getRawPtr(g));
+ return "";
+ }
+ };
}
-static simgear::canvas::Canvas* canvasGhost(naRef r)
+struct Base
{
- if (naGhost_type(r) == &CanvasGhostType)
- return (simgear::canvas::Canvas*) naGhost_ptr(r);
- return 0;
+ int getInt() const
+ {
+ return 8;
+ }
+};
+
+struct Test:
+ public Base
+{
+ Test(): x(1) {}
+ int x;
+};
+
+typedef nasal::class_<sc::CanvasPtr> NasalCanvas;
+
+void initCanvas()
+{
+
+ NasalCanvas::init("Canvas")
+ .def_readonly("texture", &canvasGetTexture)
+ .def("size_x", &sc::Canvas::getSizeX)
+ .def("size_y", &sc::Canvas::getSizeY);
+ nasal::class_<sc::ElementPtr>::init("canvas.Element");
+ nasal::class_<sc::GroupPtr>::init("canvas.Group")
+ .bases<sc::ElementPtr>();
+
+ nasal::class_<Base>::init("BaseClass")
+ .def("int", &Base::getInt);
+ nasal::class_<Test>::init("TestClass")
+ .bases<Base>()
+ .def_readonly("x", &Test::x);
}
-static void elementGhostDestroy(void* g)
+/**
+ * A Nasal Hash
+ */
+class Hash
+{
+ public:
+
+ /**
+ * Initialize from an existing Nasal Hash
+ *
+ * @param hash Existing Nasal Hash
+ * @param c Nasal context
+ */
+ Hash(const naRef& hash, naContext c):
+ _hash(hash),
+ _context(c)
+ {
+ assert( naIsHash(_hash) );
+ }
+
+ void set(const std::string& name, naRef val)
+ {
+ naHash_set(_hash, stringToNasal(name), val);
+ }
+
+ void set(const std::string& name, naCFunction func)
+ {
+ set(name, naNewFunc(_context, naNewCCode(_context, func)));
+ }
+
+ void set(const std::string& name, const std::string& str)
+ {
+ set(name, stringToNasal(str));
+ }
+
+ void set(const std::string& name, double num)
+ {
+ set(name, naNum(num));
+ }
+
+ /**
+ * Create a new child hash (module)
+ *
+ * @param name Name of the new hash inside this hash
+ */
+ Hash createHash(const std::string& name)
+ {
+ naRef hash = naNewHash(_context);
+ set(name, hash);
+ return Hash(hash, _context);
+ }
+
+ protected:
+ naRef _hash;
+ naContext _context;
+
+ naRef stringToNasal(const std::string& str)
+ {
+ naRef s = naNewString(_context);
+ naStr_fromdata(s, str.c_str(), str.size());
+ return s;
+ }
+};
+
+/**
+ * Class for exposing C++ objects to Nasal
+ */
+template<class T, class Derived>
+class NasalObject
+{
+ public:
+ // TODO use variadic template when supporting C++11
+ template<class A1>
+ static naRef create( naContext c, const A1& a1 )
+ {
+ return makeGhost(c, new T(a1));
+ }
+
+ template<class A1, class A2>
+ static naRef create( naContext c, const A1& a1,
+ const A2& a2 )
+ {
+ return makeGhost(c, new T(a1, a2));
+ }
+
+ template<class A1, class A2, class A3>
+ static naRef create( naContext c, const A1& a1,
+ const A2& a2,
+ const A3& a3 )
+ {
+ return makeGhost(c, new T(a1, a2, a3));
+ }
+
+ template<class A1, class A2, class A3, class A4>
+ static naRef create( naContext c, const A1& a1,
+ const A2& a2,
+ const A3& a3,
+ const A4& a4 )
+ {
+ return makeGhost(c, new T(a1, a2, a3, a4));
+ }
+
+ template<class A1, class A2, class A3, class A4, class A5>
+ static naRef create( naContext c, const A1& a1,
+ const A2& a2,
+ const A3& a3,
+ const A4& a4,
+ const A5& a5 )
+ {
+ return makeGhost(c, new T(a1, a2, a3, a4, a5));
+ }
+
+ // TODO If you need more arguments just do some copy&paste :)
+
+ static Derived& getInstance()
+ {
+ static Derived instance;
+ return instance;
+ }
+
+ void setParent(const naRef& parent)
+ {
+ // TODO check if we need to take care of reference counting/gc
+ _parents.resize(1);
+ _parents[0] = parent;
+ }
+
+ protected:
+
+ // TODO switch to boost::/std::function (with C++11 lambdas this can make
+ // adding setters easier and shorter)
+ typedef naRef (Derived::*getter_t)(naContext, const T&);
+ typedef std::map<std::string, getter_t> GetterMap;
+
+ const std::string _ghost_name;
+ std::vector<naRef> _parents;
+ GetterMap _getter;
+
+ NasalObject(const std::string& ghost_name):
+ _ghost_name( ghost_name )
+ {
+ _ghost_type.destroy = &destroyGhost;
+ _ghost_type.name = _ghost_name.c_str();
+ _ghost_type.get_member = &Derived::getMember;
+ _ghost_type.set_member = 0;
+
+ _getter["parents"] = &NasalObject::getParents;
+ }
+
+ naRef getParents(naContext c, const T&)
+ {
+ naRef parents = naNewVector(c);
+ for(size_t i = 0; i < _parents.size(); ++i)
+ naVec_append(parents, _parents[i]);
+ return parents;
+ }
+
+ static naRef makeGhost(naContext c, void *ptr)
+ {
+ std::cout << "create " << ptr << std::endl;
+ return naNewGhost2(c, &(getInstance()._ghost_type), ptr);
+ }
+
+ static void destroyGhost(void *ptr)
+ {
+ std::cout << "destroy " << ptr << std::endl;
+ delete (T*)ptr;
+ }
+
+ static const char* getMember(naContext c, void* g, naRef field, naRef* out)
+ {
+ typename GetterMap::iterator getter =
+ getInstance()._getter.find(naStr_data(field));
+
+ if( getter == getInstance()._getter.end() )
+ return 0;
+
+ *out = (getInstance().*getter->second)(c, *static_cast<T*>(g));
+ return "";
+ }
+
+ private:
+
+ naGhostType _ghost_type;
+
+};
+
+static naRef stringToNasal(naContext c, const std::string& s)
{
+ return naStr_fromdata(naNewString(c),
+ const_cast<char *>(s.c_str()),
+ s.length());
}
-static void canvasGhostDestroy(void* g)
+typedef osg::ref_ptr<osgGA::GUIEventAdapter> GUIEventPtr;
+
+class NasalCanvasEvent:
+ public NasalObject<GUIEventPtr, NasalCanvasEvent>
+{
+ public:
+
+ NasalCanvasEvent():
+ NasalObject("CanvasEvent")
+ {
+ _getter["type"] = &NasalCanvasEvent::getEventType;
+ }
+
+ naRef getEventType(naContext c, const GUIEventPtr& event)
+ {
+#define RET_EVENT_STR(type, str)\
+ case osgGA::GUIEventAdapter::type:\
+ return stringToNasal(c, str);
+
+ switch( event->getEventType() )
+ {
+ RET_EVENT_STR(PUSH, "push");
+ RET_EVENT_STR(RELEASE, "release");
+ RET_EVENT_STR(DOUBLECLICK, "double-click");
+ RET_EVENT_STR(DRAG, "drag");
+ RET_EVENT_STR(MOVE, "move");
+ RET_EVENT_STR(SCROLL, "scroll");
+ RET_EVENT_STR(KEYUP, "key-up");
+ RET_EVENT_STR(KEYDOWN, "key-down");
+
+#undef RET_EVENT_STR
+
+ default:
+ return naNil();
+ }
+ }
+};
+
+//using simgear::canvas::CanvasPtr;
+//
+///**
+// * Expose Canvas to Nasal
+// */
+//class NasalCanvas:
+// public NasalObject<CanvasPtr, NasalCanvas>
+//{
+// public:
+//
+// NasalCanvas():
+// NasalObject("Canvas")
+// {
+// _getter["texture"] = &NasalCanvas::getTexture;
+// _getter["size_x"] = &NasalCanvas::getSizeX;
+// _getter["size_y"] = &NasalCanvas::getSizeY;
+// }
+//
+// static naRef f_create(naContext c, naRef me, int argc, naRef* args)
+// {
+// std::cout << "NasalCanvas::create" << std::endl;
+//
+// CanvasMgr* canvas_mgr =
+// static_cast<CanvasMgr*>(globals->get_subsystem("Canvas"));
+// if( !canvas_mgr )
+// return naNil();
+//
+// return create(c, canvas_mgr->createCanvas());
+// }
+//
+// static naRef f_setPrototype(naContext c, naRef me, int argc, naRef* args)
+// {
+// if( argc != 1 || !naIsHash(args[0]) )
+// naRuntimeError(c, "Invalid argument(s)");
+//
+// getInstance().setParent(args[0]);
+//
+// return naNil();
+// }
+//
+// naRef getTexture(naContext c, const CanvasPtr& canvas)
+// {
+// //{ parents : [Node], _g : node }
+// naRef parents = naNewVector(c);
+// naVec_append(parents, propsNodePrototype);
+//
+// naRef node = naNewHash(c);
+// hashset(c, node, "parents", parents);
+// hashset(c, node, "_g", propNodeGhostCreate(c, canvas->getProps()));
+//
+// return node;
+// }
+//
+// naRef getSizeX(naContext c, const CanvasPtr& canvas)
+// {
+// return naNum(canvas->getSizeX());
+// }
+//
+// naRef getSizeY(naContext c, const CanvasPtr& canvas)
+// {
+// return naNum(canvas->getSizeY());
+// }
+//};
+
+static void elementGhostDestroy(void* g);
+
+static const char* elementGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+static void elementGhostSetMember(naContext c, void* g, naRef field, naRef value);
+naGhostType ElementGhostType = { elementGhostDestroy, "canvas.element",
+ elementGhostGetMember, elementGhostSetMember };
+
+static simgear::canvas::Element* elementGhost(naRef r)
{
+ if (naGhost_type(r) == &ElementGhostType)
+ return (simgear::canvas::Element*) naGhost_ptr(r);
+ return 0;
}
-static void eventGhostDestroy(void* g)
+static void elementGhostDestroy(void* g)
{
- osgGA::GUIEventAdapter* gea = static_cast<osgGA::GUIEventAdapter*>(g);
- gea->unref();
}
static const char* eventGhostGetMember(naContext c, void* g, naRef field, naRef* out)
{
const char* fieldName = naStr_data(field);
osgGA::GUIEventAdapter* gea = (osgGA::GUIEventAdapter*) g;
-
- if (!strcmp(fieldName, "parents")) {
- *out = naNewVector(c);
- naVec_append(*out, eventPrototype);
- } else if (!strcmp(fieldName, "type")) *out = eventTypeToNasal(c, gea->getEventType());
- else if (!strcmp(fieldName, "windowX")) *out = naNum(gea->getWindowX());
+
+ if (!strcmp(fieldName, "windowX")) *out = naNum(gea->getWindowX());
else if (!strcmp(fieldName, "windowY")) *out = naNum(gea->getWindowY());
else if (!strcmp(fieldName, "time")) *out = naNum(gea->getTime());
else if (!strcmp(fieldName, "button")) *out = naNum(gea->getButton());
return "";
}
-static const char* canvasGhostGetMember(naContext c, void* g, naRef field, naRef* out)
-{
- const char* fieldName = naStr_data(field);
- simgear::canvas::Canvas* cvs = (simgear::canvas::Canvas*) g;
-
- if (!strcmp(fieldName, "parents")) {
- *out = naNewVector(c);
- naVec_append(*out, canvasPrototype);
- } else if (!strcmp(fieldName, "sizeX")) *out = naNum(cvs->getSizeX());
- else if (!strcmp(fieldName, "sizeY")) *out = naNum(cvs->getSizeY());
- else {
- return 0;
- }
-
- return "";
-}
-
static const char* elementGhostGetMember(naContext c, void* g, naRef field, naRef* out)
{
const char* fieldName = naStr_data(field);
static naRef f_canvas_getElement(naContext c, naRef me, int argc, naRef* args)
{
- simgear::canvas::Canvas* cvs = canvasGhost(me);
- if (!cvs) {
- naRuntimeError(c, "canvas.getElement called on non-canvas object");
- }
+// simgear::canvas::Canvas* cvs = canvasGhost(me);
+// if (!cvs) {
+// naRuntimeError(c, "canvas.getElement called on non-canvas object");
+// }
return naNil();
}
return naNil();
}
-static naRef f_canvas(naContext c, naRef me, int argc, naRef* args)
+static naRef f_createCanvas(naContext c, naRef me, int argc, naRef* args)
{
- return naNil();
+ std::cout << "f_createCanvas" << std::endl;
+
+ CanvasMgr* canvas_mgr =
+ static_cast<CanvasMgr*>(globals->get_subsystem("Canvas"));
+ if( !canvas_mgr )
+ return naNil();
+
+ return NasalCanvas::create(c, canvas_mgr->createCanvas());
}
-// Table of extension functions. Terminate with zeros.
-static struct { const char* name; naCFunction func; } funcs[] = {
- { "getCanvas", f_canvas },
- { 0, 0 }
-};
+static naRef f_setCanvasPrototype(naContext c, naRef me, int argc, naRef* args)
+{
+ if( argc != 1 || !naIsHash(args[0]) )
+ naRuntimeError(c, "Invalid argument(s)");
+
+ NasalCanvas::getSingletonPtr()->addNasalBase(args[0]);
+
+ return naNil();
+}
naRef initNasalCanvas(naRef globals, naContext c, naRef gcSave)
{
- canvasPrototype = naNewHash(c);
+ naRef props_module = naHash_cget(globals, (char*)"props");
+ if( naIsNil(props_module) )
+ std::cerr << "No props module" << std::endl;
+
+ propsNodePrototype = naHash_cget(props_module, (char*)"Node");
+ if( naIsNil(propsNodePrototype) )
+ std::cerr << "Failed to get props.Node" << std::endl;
+
+ /*naNewHash(c);
hashset(c, gcSave, "canvasProto", canvasPrototype);
- hashset(c, canvasPrototype, "getElement", naNewFunc(c, naNewCCode(c, f_canvas_getElement)));
-
- eventPrototype = naNewHash(c);
- hashset(c, gcSave, "eventProto", eventPrototype);
+ hashset(c, canvasPrototype, "getElement", naNewFunc(c, naNewCCode(c, f_canvas_getElement)));*/
// set any event methods
elementPrototype = naNewHash(c);
hashset(c, elementPrototype, "addDragCallback", naNewFunc(c, naNewCCode(c, f_element_addDragCallback)));
hashset(c, elementPrototype, "addMoveCallback", naNewFunc(c, naNewCCode(c, f_element_addMoveCallback)));
hashset(c, elementPrototype, "addScrollCallback", naNewFunc(c, naNewCCode(c, f_element_addScrollCallback)));
-
- for(int i=0; funcs[i].name; i++) {
- hashset(c, globals, funcs[i].name,
- naNewFunc(c, naNewCCode(c, funcs[i].func)));
- }
-
+
+ Hash globals_module(globals, c),
+ canvas_module = globals_module.createHash("canvas");
+
+ canvas_module.set("_new", f_createCanvas);
+ canvas_module.set("_setPrototype", f_setCanvasPrototype);
+ canvas_module.set("testClass", nasal::class_<Test>::f_create);
+
+ initCanvas();
+
return naNil();
}