X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FScripting%2FNasalCanvas.cxx;h=2e0b0c034ebc79a2c59cacbfff0a3ddda292f70e;hb=7c31654b3a570b275f224e143399968cf9bde719;hp=bbafebd0a4be62150e6facdd354795c2f0973732;hpb=f703882ffa73e70f555caa1867c1650534d5e3dc;p=flightgear.git

diff --git a/src/Scripting/NasalCanvas.cxx b/src/Scripting/NasalCanvas.cxx
index bbafebd0a..2e0b0c034 100644
--- a/src/Scripting/NasalCanvas.cxx
+++ b/src/Scripting/NasalCanvas.cxx
@@ -22,243 +22,436 @@
 #  include "config.h"
 #endif
 
-#include <string.h>
-
 #include "NasalCanvas.hxx"
-
-#include <boost/foreach.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
+#include <Canvas/canvas_mgr.hxx>
+#include <Canvas/gui_mgr.hxx>
+#include <Main/globals.hxx>
+#include <Scripting/NasalSys.hxx>
 
 #include <osgGA/GUIEventAdapter>
 
 #include <simgear/sg_inlines.h>
 
-#include <Canvas/canvas.hxx>
-#include <Canvas/elements/element.hxx>
+#include <simgear/canvas/Canvas.hxx>
+#include <simgear/canvas/CanvasWindow.hxx>
+#include <simgear/canvas/elements/CanvasElement.hxx>
+#include <simgear/canvas/elements/CanvasText.hxx>
+#include <simgear/canvas/events/CustomEvent.hxx>
+#include <simgear/canvas/events/MouseEvent.hxx>
+
+#include <simgear/nasal/cppbind/from_nasal.hxx>
+#include <simgear/nasal/cppbind/to_nasal.hxx>
+#include <simgear/nasal/cppbind/NasalHash.hxx>
+#include <simgear/nasal/cppbind/Ghost.hxx>
+
+extern naRef propNodeGhostCreate(naContext c, SGPropertyNode* n);
 
-static naRef canvasPrototype;
-static naRef elementPrototype;
-static naRef eventPrototype;
+namespace sc = simgear::canvas;
 
-static void canvasGhostDestroy(void* g);
-static void elementGhostDestroy(void* g);
-static void eventGhostDestroy(void* g);
+template<class Element>
+naRef elementGetNode(Element& element, naContext c)
+{
+  return propNodeGhostCreate(c, element.getProps());
+}
 
-static const char* canvasGhostGetMember(naContext c, void* g, naRef field, naRef* out);
-naGhostType CanvasGhostType = { canvasGhostDestroy, "canvas", canvasGhostGetMember, 0 };
+typedef nasal::Ghost<sc::EventPtr> NasalEvent;
+typedef nasal::Ghost<sc::CustomEventPtr> NasalCustomEvent;
+typedef nasal::Ghost<sc::MouseEventPtr> NasalMouseEvent;
 
-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 };
+struct CustomEventDetailWrapper;
+typedef SGSharedPtr<CustomEventDetailWrapper> CustomEventDetailPtr;
+typedef nasal::Ghost<CustomEventDetailPtr> NasalCustomEventDetail;
 
-static const char* eventGhostGetMember(naContext c, void* g, naRef field, naRef* out);
-naGhostType EventGhostType = { eventGhostDestroy, "ga-event", eventGhostGetMember, 0 };
+typedef nasal::Ghost<simgear::PropertyBasedElementPtr> NasalPropertyBasedElement;
+typedef nasal::Ghost<sc::CanvasPtr> NasalCanvas;
+typedef nasal::Ghost<sc::ElementPtr> NasalElement;
+typedef nasal::Ghost<sc::GroupPtr> NasalGroup;
+typedef nasal::Ghost<sc::TextPtr> NasalText;
+typedef nasal::Ghost<sc::WindowWeakPtr> NasalWindow;
 
-static void hashset(naContext c, naRef hash, const char* key, naRef val)
+naRef to_nasal_helper(naContext c, const osg::BoundingBox& bb)
 {
-  naRef s = naNewString(c);
-  naStr_fromdata(s, (char*)key, strlen(key));
-  naHash_set(hash, s, val);
+  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(c, bb_vec);
 }
 
-static naRef stringToNasal(naContext c, const std::string& s)
+SGPropertyNode* from_nasal_helper(naContext c, naRef ref, SGPropertyNode**)
 {
-    return naStr_fromdata(naNewString(c),
-                   const_cast<char *>(s.c_str()), 
-                   s.length());
+  SGPropertyNode* props = ghostToPropNode(ref);
+  if( !props )
+    naRuntimeError(c, "Not a SGPropertyNode ghost.");
+
+  return props;
 }
 
-static naRef eventTypeToNasal(naContext c, osgGA::GUIEventAdapter::EventType ty)
+sc::CanvasWeakPtr from_nasal_helper(naContext c, naRef ref, sc::CanvasWeakPtr const*)
 {
-  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:
-      ; // fall through
-  }
-  
-  return naNil();
+  return nasal::from_nasal<sc::CanvasPtr>(c, ref);
 }
 
-static canvas::Element* elementGhost(naRef r)
+CanvasMgr& requireCanvasMgr(naContext c)
 {
-  if (naGhost_type(r) == &ElementGhostType)
-    return (canvas::Element*) naGhost_ptr(r);
-  return 0;
+  CanvasMgr* canvas_mgr =
+    static_cast<CanvasMgr*>(globals->get_subsystem("Canvas"));
+  if( !canvas_mgr )
+    naRuntimeError(c, "Failed to get Canvas subsystem");
+
+  return *canvas_mgr;
 }
 
-static Canvas* canvasGhost(naRef r)
+GUIMgr& requireGUIMgr(naContext c)
 {
-  if (naGhost_type(r) == &CanvasGhostType)
-    return (Canvas*) naGhost_ptr(r);
-  return 0;
+  GUIMgr* mgr =
+    static_cast<GUIMgr*>(globals->get_subsystem("CanvasGUI"));
+  if( !mgr )
+    naRuntimeError(c, "Failed to get CanvasGUI subsystem");
+
+  return *mgr;
 }
 
-static void elementGhostDestroy(void* g)
+/**
+ * Create new Canvas and get ghost for it.
+ */
+static naRef f_createCanvas(const nasal::CallContext& ctx)
 {
+  return NasalCanvas::create(ctx.c, requireCanvasMgr(ctx.c).createCanvas());
 }
 
-static void canvasGhostDestroy(void* g)
+/**
+ * Create new Window and get ghost for it.
+ */
+static naRef f_createWindow(const nasal::CallContext& ctx)
 {
+  return NasalWindow::create
+  (
+    ctx.c,
+    requireGUIMgr(ctx.c).createWindow( ctx.getArg<std::string>(0) )
+  );
 }
 
-static void eventGhostDestroy(void* g)
+/**
+ * Get ghost for existing Canvas.
+ */
+static naRef f_getCanvas(naContext c, naRef me, int argc, naRef* args)
 {
-    osgGA::GUIEventAdapter* gea = static_cast<osgGA::GUIEventAdapter*>(g);
-    gea->unref();
+  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);
 }
 
-static const char* eventGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+naRef f_canvasCreateGroup(sc::Canvas& canvas, const nasal::CallContext& ctx)
 {
-  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());
-  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());
-  else {
-    return 0;
-  }
-  
-  return "";
+  return NasalGroup::create
+  (
+    ctx.c,
+    canvas.createGroup( ctx.getArg<std::string>(0) )
+  );
 }
 
-static const char* canvasGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+/**
+ * Get group containing all gui windows
+ */
+naRef f_getDesktop(naContext c, naRef me, int argc, naRef* args)
 {
-  const char* fieldName = naStr_data(field);
-  Canvas* cvs = (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 "";
+  return NasalGroup::create(c, requireGUIMgr(c).getDesktop());
 }
 
-static const char* elementGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+naRef f_groupCreateChild(sc::Group& group, const nasal::CallContext& ctx)
 {
-  const char* fieldName = naStr_data(field);
-  canvas::Element* e = (canvas::Element*) g;
-  
-  if (!strcmp(fieldName, "parents")) {
-    *out = naNewVector(c);
-    naVec_append(*out, elementPrototype);
-  } else {
-    return 0;
-  }
-  
-  return "";
+  return NasalElement::create
+  (
+    ctx.c,
+    group.createChild( ctx.requireArg<std::string>(0),
+                       ctx.getArg<std::string>(1) )
+  );
 }
 
-static void elementGhostSetMember(naContext c, void* g, naRef field, naRef value)
+naRef f_groupGetChild(sc::Group& group, const nasal::CallContext& ctx)
 {
-  const char* fieldName = naStr_data(field);
-  canvas::Element* e = (canvas::Element*) g;
+  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) )
+  );
+}
 
-static naRef f_canvas_getElement(naContext c, naRef me, int argc, naRef* args)
+static void propElementSetData( simgear::PropertyBasedElement& el,
+                                const std::string& name,
+                                naContext c,
+                                naRef ref )
 {
-  Canvas* cvs = canvasGhost(me);
-  if (!cvs) {
-    naRuntimeError(c, "canvas.getElement called on non-canvas object");
-  }
-  
-  return naNil();
+  if( naIsNil(ref) )
+    return el.removeDataProp(name);
+
+  std::string val = nasal::from_nasal<std::string>(c, ref);
+
+  char* end = NULL;
+
+  long val_long = strtol(val.c_str(), &end, 10);
+  if( !*end )
+    return el.setDataProp(name, val_long);
+
+  double val_double = strtod(val.c_str(), &end);
+  if( !*end )
+    return el.setDataProp(name, val_double);
+
+  el.setDataProp(name, val);
 }
 
-static naRef f_element_addButtonCallback(naContext c, naRef me, int argc, naRef* args)
+/**
+ * Accessor for HTML5 data properties.
+ *
+ * # set single property:
+ * el.data("myKey", 5);
+ *
+ * # set multiple properties
+ * el.data({myProp1: 12, myProp2: "test"});
+ *
+ * # get value of properties
+ * el.data("myKey");   # 5
+ * el.data("myProp2"); # "test"
+ *
+ * # remove a single property
+ * el.data("myKey", nil);
+ *
+ * # remove multiple properties
+ * el.data({myProp1: nil, myProp2: nil});
+ *
+ * # set and remove multiple properties
+ * el.data({newProp: "some text...", removeProp: nil});
+ *
+ *
+ * @see http://api.jquery.com/data/
+ */
+static naRef f_propElementData( simgear::PropertyBasedElement& el,
+                                const nasal::CallContext& ctx )
 {
-  canvas::Element* e = elementGhost(me);
-  if (!e) {
-    naRuntimeError(c, "element.addButtonCallback called on non-canvas-element object");
+  if( ctx.isHash(0) )
+  {
+    // Add/delete properties given as hash
+    nasal::Hash obj = ctx.requireArg<nasal::Hash>(0);
+    for(nasal::Hash::iterator it = obj.begin(); it != obj.end(); ++it)
+      propElementSetData(el, it->getKey(), ctx.c, it->getValue<naRef>());
+
+    return ctx.to_nasal(&el);
   }
-  
+
+  std::string name = ctx.getArg<std::string>(0);
+  if( !name.empty() )
+  {
+    if( ctx.argc == 1 )
+    {
+      // name + additional argument -> add/delete property
+      SGPropertyNode* node = el.getDataProp<SGPropertyNode*>(name);
+      if( !node )
+        return naNil();
+
+      return ctx.to_nasal( node->getStringValue() );
+    }
+    else
+    {
+      // only name -> get property
+      propElementSetData(el, name, ctx.c, ctx.requireArg<naRef>(1));
+      return ctx.to_nasal(&el);
+    }
+  }
+
   return naNil();
 }
 
-static naRef f_element_addDragCallback(naContext c, naRef me, int argc, naRef* args)
+template<int Mask>
+naRef f_eventGetModifier(sc::MouseEvent& event, naContext)
 {
-  canvas::Element* e = elementGhost(me);
-  if (!e) {
-    naRuntimeError(c, "element.addDragCallback called on non-canvas-element object");
-  }
-  
-  return naNil();
+  return naNum((event.getModifiers() & Mask) != 0);
 }
 
-static naRef f_element_addMoveCallback(naContext c, naRef me, int argc, naRef* args)
+static naRef f_createCustomEvent(const nasal::CallContext& ctx)
 {
-  canvas::Element* e = elementGhost(me);
-  if (!e) {
-    naRuntimeError(c, "element.addMoveCallback called on non-canvas-element object");
+  std::string const& type = ctx.requireArg<std::string>(0);
+  if( type.empty() )
+    return naNil();
+
+  simgear::StringMap detail;
+  if( ctx.isHash(1) )
+  {
+    nasal::Hash const& cfg = ctx.requireArg<nasal::Hash>(1);
+    naRef na_detail = cfg.get("detail");
+    if( naIsHash(na_detail) )
+      detail = ctx.from_nasal<simgear::StringMap>(na_detail);
   }
-  
-  return naNil();
+
+  return NasalCustomEvent::create(
+    ctx.c,
+    sc::CustomEventPtr(new sc::CustomEvent(type, detail))
+  );
 }
 
-static naRef f_element_addScrollCallback(naContext c, naRef me, int argc, naRef* args)
+struct CustomEventDetailWrapper:
+  public SGReferenced
 {
-  canvas::Element* e = elementGhost(me);
-  if (!e) {
-    naRuntimeError(c, "element.addScrollCallback called on non-canvas-element object");
+  sc::CustomEventPtr _event;
+
+  CustomEventDetailWrapper(const sc::CustomEventPtr& event):
+    _event(event)
+  {
+
   }
-  
-  return naNil();
+
+  bool _get( const std::string& key,
+             std::string& value_out ) const
+  {
+    if( !_event )
+      return false;
+
+    simgear::StringMap::const_iterator it = _event->detail.find(key);
+    if( it == _event->detail.end() )
+      return false;
+
+    value_out = it->second;
+    return true;
+  }
+
+  bool _set( const std::string& key,
+             const std::string& value )
+  {
+    if( !_event )
+      return false;
+
+    _event->detail[ key ] = value;
+    return true;
+  }
+};
+
+static naRef f_customEventGetDetail( sc::CustomEvent& event,
+                                     naContext c )
+{
+  return nasal::to_nasal(
+    c,
+    CustomEventDetailPtr(new CustomEventDetailWrapper(&event))
+  );
 }
 
-static naRef f_canvas(naContext c, naRef me, int argc, naRef* args)
+naRef to_nasal_helper(naContext c, const sc::ElementWeakPtr& el)
 {
-  return naNil();
+  return NasalElement::create(c, el.lock());
 }
 
-// Table of extension functions.  Terminate with zeros.
-static struct { const char* name; naCFunction func; } funcs[] = {
-  { "canvas", f_canvas },
-  { 0, 0 }
-};
+naRef to_nasal_helper(naContext c, const sc::CanvasWeakPtr& canvas)
+{
+  return NasalCanvas::create(c, canvas.lock());
+}
 
-naRef initNasalCanvas(naRef globals, naContext c, naRef gcSave)
+naRef initNasalCanvas(naRef globals, naContext c)
 {
-    canvasPrototype = 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);
-    // set any event methods
-  
-    elementPrototype = naNewHash(c);
-    hashset(c, gcSave, "elementProto", elementPrototype);
+  using osgGA::GUIEventAdapter;
+  NasalEvent::init("canvas.Event")
+    .member("type", &sc::Event::getTypeString)
+    .member("target", &sc::Event::getTarget)
+    .member("currentTarget", &sc::Event::getCurrentTarget)
+    .method("stopPropagation", &sc::Event::stopPropagation);
+
+  NasalCustomEvent::init("canvas.CustomEvent")
+    .bases<NasalEvent>()
+    .member("detail", &f_customEventGetDetail, &sc::CustomEvent::setDetail);
+  NasalCustomEventDetail::init("canvas.CustomEventDetail")
+    ._get(&CustomEventDetailWrapper::_get)
+    ._set(&CustomEventDetailWrapper::_set);
+
+  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("localX", &sc::MouseEvent::getLocalX)
+    .member("localY", &sc::MouseEvent::getLocalY)
+    .member("deltaX", &sc::MouseEvent::getDeltaX)
+    .member("deltaY", &sc::MouseEvent::getDeltaY)
+    .member("button", &sc::MouseEvent::getButton)
+    .member("buttons", &sc::MouseEvent::getButtonMask)
+    .member("modifiers", &sc::MouseEvent::getModifiers)
+    .member("ctrlKey", &f_eventGetModifier<GUIEventAdapter::MODKEY_CTRL>)
+    .member("shiftKey", &f_eventGetModifier<GUIEventAdapter::MODKEY_SHIFT>)
+    .member("altKey", &f_eventGetModifier<GUIEventAdapter::MODKEY_ALT>)
+    .member("metaKey", &f_eventGetModifier<GUIEventAdapter::MODKEY_META>)
+    .member("click_count", &sc::MouseEvent::getCurrentClickCount);
+
+  NasalPropertyBasedElement::init("PropertyBasedElement")
+    .method("data", &f_propElementData);
+  NasalCanvas::init("Canvas")
+    .bases<NasalPropertyBasedElement>()
+    .member("_node_ghost", &elementGetNode<sc::Canvas>)
+    .member("size_x", &sc::Canvas::getSizeX)
+    .member("size_y", &sc::Canvas::getSizeY)
+    .method("_createGroup", &f_canvasCreateGroup)
+    .method("_getGroup", &sc::Canvas::getGroup)
+    .method("addEventListener", &sc::Canvas::addEventListener)
+    .method("dispatchEvent", &sc::Canvas::dispatchEvent);
+  NasalElement::init("canvas.Element")
+    .bases<NasalPropertyBasedElement>()
+    .member("_node_ghost", &elementGetNode<sc::Element>)
+    .method("_getParent", &sc::Element::getParent)
+    .method("_getCanvas", &sc::Element::getCanvas)
+    .method("addEventListener", &sc::Element::addEventListener)
+    .method("dispatchEvent", &sc::Element::dispatchEvent)
+    .method("getBoundingBox", &sc::Element::getBoundingBox)
+    .method("getTightBoundingBox", &sc::Element::getTightBoundingBox);
+  NasalGroup::init("canvas.Group")
+    .bases<NasalElement>()
+    .method("_createChild", &f_groupCreateChild)
+    .method("_getChild", &f_groupGetChild)
+    .method("_getElementById", &f_groupGetElementById);
+  NasalText::init("canvas.Text")
+    .bases<NasalElement>()
+    .method("getNearestCursor", &sc::Text::getNearestCursor);
+
+  NasalWindow::init("canvas.Window")
+    .bases<NasalElement>()
+    .member("_node_ghost", &elementGetNode<sc::Window>)
+    .method("_getCanvasDecoration", &sc::Window::getCanvasDecoration);
     
-    hashset(c, elementPrototype, "addButtonCallback", naNewFunc(c, naNewCCode(c, f_element_addButtonCallback)));
-    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)));
-    }
-  
+  nasal::Hash globals_module(globals, c),
+              canvas_module = globals_module.createHash("canvas");
+
+  canvas_module.set("_newCanvasGhost", f_createCanvas);
+  canvas_module.set("_newWindowGhost", f_createWindow);
+  canvas_module.set("_getCanvasGhost", f_getCanvas);
+  canvas_module.set("_getDesktopGhost", f_getDesktop);
+
+  canvas_module.createHash("CustomEvent")
+               .set("new", &f_createCustomEvent);
   return naNil();
 }