#include "NasalCanvas.hxx"
#include <Canvas/canvas_mgr.hxx>
#include <Main/globals.hxx>
+#include <Scripting/NasalSys.hxx>
#include <osgGA/GUIEventAdapter>
#include <simgear/canvas/Canvas.hxx>
#include <simgear/canvas/elements/CanvasElement.hxx>
+#include <simgear/canvas/elements/CanvasText.hxx>
+#include <simgear/canvas/MouseEvent.hxx>
#include <simgear/nasal/cppbind/from_nasal.hxx>
#include <simgear/nasal/cppbind/to_nasal.hxx>
return propNodeGhostCreate(c, element.getProps());
}
+typedef nasal::Ghost<sc::EventPtr> NasalEvent;
+typedef nasal::Ghost<sc::MouseEventPtr> NasalMouseEvent;
typedef nasal::Ghost<sc::CanvasPtr> NasalCanvas;
typedef nasal::Ghost<sc::ElementPtr> NasalElement;
typedef nasal::Ghost<sc::GroupPtr> NasalGroup;
+typedef nasal::Ghost<sc::TextPtr> NasalText;
-#if 0
-typedef osg::ref_ptr<osgGA::GUIEventAdapter> GUIEventPtr;
-
-class NasalCanvasEvent:
- public NasalObject<GUIEventPtr, NasalCanvasEvent>
+SGPropertyNode* from_nasal_helper(naContext c, naRef ref, SGPropertyNode**)
{
- public:
-
- naRef getEventType(naContext c, const GUIEventPtr& event)
- {
-#define RET_EVENT_STR(type, str)\
- case osgGA::GUIEventAdapter::type:\
- return nasal::to_nasal(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();
- }
- }
-};
-#endif
+ SGPropertyNode* props = ghostToPropNode(ref);
+ if( !props )
+ naRuntimeError(c, "Not a SGPropertyNode ghost.");
-static naRef f_createCanvas(naContext c, naRef me, int argc, naRef* args)
+ return props;
+}
+
+CanvasMgr& requireCanvasMgr(naContext c)
{
CanvasMgr* canvas_mgr =
static_cast<CanvasMgr*>(globals->get_subsystem("Canvas"));
if( !canvas_mgr )
- return naNil();
+ naRuntimeError(c, "Failed to get Canvas subsystem");
+
+ return *canvas_mgr;
+}
+
+/**
+ * Create new Canvas and get ghost for it.
+ */
+static naRef f_createCanvas(naContext c, naRef me, int argc, naRef* args)
+{
+ return NasalCanvas::create(c, requireCanvasMgr(c).createCanvas());
+}
- return NasalCanvas::create(c, canvas_mgr->createCanvas());
+/**
+ * Get ghost for existing Canvas.
+ */
+static naRef f_getCanvas(naContext c, naRef me, int argc, naRef* args)
+{
+ nasal::CallContext ctx(c, argc, args);
+ SGPropertyNode& props = *ctx.requireArg<SGPropertyNode*>(0);
+ CanvasMgr& canvas_mgr = requireCanvasMgr(c);
+
+ sc::CanvasPtr canvas;
+ if( canvas_mgr.getPropertyRoot() == props.getParent() )
+ {
+ // get a canvas specified by its root node
+ canvas = canvas_mgr.getCanvas( props.getIndex() );
+ if( !canvas || canvas->getProps() != &props )
+ return naNil();
+ }
+ else
+ {
+ // get a canvas by name
+ if( props.hasValue("name") )
+ canvas = canvas_mgr.getCanvas( props.getStringValue("name") );
+ else if( props.hasValue("index") )
+ canvas = canvas_mgr.getCanvas( props.getIntValue("index") );
+ }
+
+ return NasalCanvas::create(c, canvas);
}
-naRef f_canvasCreateGroup( sc::Canvas& canvas,
- naContext c,
- int argc,
- naRef* args )
+naRef f_canvasCreateGroup(sc::Canvas& canvas, const nasal::CallContext& ctx)
{
- std::string name;
- if( argc > 0 )
- name = nasal::from_nasal<std::string>(c, args[0]);
+ return NasalGroup::create
+ (
+ ctx.c,
+ canvas.createGroup( ctx.getArg<std::string>(0) )
+ );
+}
+
+naRef f_elementGetTransformedBounds(sc::Element& el, const nasal::CallContext& ctx)
+{
+ osg::BoundingBox bb = el.getTransformedBounds( osg::Matrix::identity() );
+
+ std::vector<float> bb_vec(4);
+ bb_vec[0] = bb._min.x();
+ bb_vec[1] = bb._min.y();
+ bb_vec[2] = bb._max.x();
+ bb_vec[3] = bb._max.y();
+
+ return nasal::to_nasal(ctx.c, bb_vec);
+}
- return NasalGroup::create(c, canvas.createGroup(name));
+naRef f_groupCreateChild(sc::Group& group, const nasal::CallContext& ctx)
+{
+ return NasalElement::create
+ (
+ ctx.c,
+ group.createChild( ctx.requireArg<std::string>(0),
+ ctx.getArg<std::string>(1) )
+ );
+}
+
+naRef f_groupGetChild(sc::Group& group, const nasal::CallContext& ctx)
+{
+ return NasalElement::create
+ (
+ ctx.c,
+ group.getChild( ctx.requireArg<SGPropertyNode*>(0) )
+ );
+}
+
+naRef f_groupGetElementById(sc::Group& group, const nasal::CallContext& ctx)
+{
+ return NasalElement::create
+ (
+ ctx.c,
+ group.getElementById( ctx.requireArg<std::string>(0) )
+ );
+}
+
+naRef f_textGetNearestCursor(sc::Text& text, const nasal::CallContext& ctx)
+{
+ return nasal::to_nasal
+ (
+ ctx.c,
+ text.getNearestCursor( ctx.requireArg<osg::Vec2>(0) )
+ );
+}
+
+naRef f_eventGetTarget(naContext c, sc::Event& event)
+{
+ return NasalElement::create(c, event.getTarget().lock());
+}
+
+// TODO allow directly exposing functions without parameters and return type
+naRef f_eventStopPropagation(sc::Event& event, const nasal::CallContext& ctx)
+{
+ if( ctx.argc != 0 )
+ naRuntimeError(ctx.c, "Event::stopPropagation no argument expected");
+ event.stopPropagation();
+ return naNil();
}
naRef initNasalCanvas(naRef globals, naContext c, naRef gcSave)
{
+ NasalEvent::init("canvas.Event")
+ .member("type", &sc::Event::getTypeString)
+ .member("target", &f_eventGetTarget)
+ .method_func<&f_eventStopPropagation>("stopPropagation");
+ NasalMouseEvent::init("canvas.MouseEvent")
+ .bases<NasalEvent>()
+ .member("screenX", &sc::MouseEvent::getScreenX)
+ .member("screenY", &sc::MouseEvent::getScreenY)
+ .member("clientX", &sc::MouseEvent::getClientX)
+ .member("clientY", &sc::MouseEvent::getClientY)
+ .member("deltaX", &sc::MouseEvent::getDeltaX)
+ .member("deltaY", &sc::MouseEvent::getDeltaY)
+ .member("click_count", &sc::MouseEvent::getCurrentClickCount);
NasalCanvas::init("Canvas")
.member("_node_ghost", &elementGetNode<sc::Canvas>)
.member("size_x", &sc::Canvas::getSizeX)
.member("size_y", &sc::Canvas::getSizeY)
- .method_func<&f_canvasCreateGroup>("createGroup");
+ .method_func<&f_canvasCreateGroup>("_createGroup")
+ .method<&sc::Canvas::addEventListener>("addEventListener");
NasalElement::init("canvas.Element")
- .member("_node_ghost", &elementGetNode<sc::Element>);
+ .member("_node_ghost", &elementGetNode<sc::Element>)
+ .method<&sc::Element::addEventListener>("addEventListener")
+ .method_func<&f_elementGetTransformedBounds>("getTransformedBounds");
NasalGroup::init("canvas.Group")
- .bases<NasalElement>();
+ .bases<NasalElement>()
+ .method_func<&f_groupCreateChild>("_createChild")
+ .method_func<&f_groupGetChild>("_getChild")
+ .method_func<&f_groupGetElementById>("_getElementById");
+ NasalText::init("canvas.Text")
+ .bases<NasalElement>()
+ .method_func<&f_textGetNearestCursor>("getNearestCursor");
nasal::Hash globals_module(globals, c),
canvas_module = globals_module.createHash("canvas");
canvas_module.set("_newCanvasGhost", f_createCanvas);
+ canvas_module.set("_getCanvasGhost", f_getCanvas);
return naNil();
}