mgjs_keyevent.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"

static JSBool GetKeyEventProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetKeyEventProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool KeyEventInitKeyEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool MouseEventInitMouseEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);

//
// KeyEvent property ids
//
enum KeyEvent_slots {
	KEYEVENT_CHARCODE ,
	KEYEVENT_KEYCODE ,
	KEYEVENT_ALTKEY ,
	KEYEVENT_CTRLKEY ,
	KEYEVENT_SHIFTKEY ,
	KEYEVENT_METAKEY ,
	MOUSEEVENT_SCREENX ,
	MOUSEEVENT_SCREENY ,
	MOUSEEVENT_CLIENTX ,
	MOUSEEVENT_CLIENTY ,
	MOUSEEVENT_BUTTON ,
	MOUSEEVENT_RELATEDTARGET 
};

static JSBool GetKeyEventProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case KEYEVENT_CHARCODE :
            *vp = INT_TO_JSVAL(32);
			break;
		case KEYEVENT_KEYCODE :
			break;
		case KEYEVENT_ALTKEY :
			break;
		case KEYEVENT_CTRLKEY :
			break;
		case KEYEVENT_SHIFTKEY :
			break;
		case KEYEVENT_METAKEY :
			break;
		case MOUSEEVENT_SCREENX :
			break;
		case MOUSEEVENT_SCREENY :
			break;
		case MOUSEEVENT_CLIENTX :
			break;
		case MOUSEEVENT_CLIENTY :
			break;
		case MOUSEEVENT_BUTTON :
			break;
		case MOUSEEVENT_RELATEDTARGET :
			break;
		}
	}
 	return JS_TRUE;
}

static JSBool SetKeyEventProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case KEYEVENT_CHARCODE :
			break;
		case KEYEVENT_KEYCODE :
			break;
		case KEYEVENT_ALTKEY :
			break;
		case KEYEVENT_CTRLKEY :
			break;
		case KEYEVENT_SHIFTKEY :
			break;
		case KEYEVENT_METAKEY :
			break;
		case MOUSEEVENT_SCREENX :
			break;
		case MOUSEEVENT_SCREENY :
			break;
		case MOUSEEVENT_CLIENTX :
			break;
		case MOUSEEVENT_CLIENTY :
			break;
		case MOUSEEVENT_BUTTON :
			break;
		case MOUSEEVENT_RELATEDTARGET :
			break;
		}
	}
	return JS_TRUE;
}

//
// Native method StopPropagation
//
static JSBool KeyEventInitKeyEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	return JS_TRUE;
}
static JSBool MouseEventInitMouseEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	return JS_TRUE;
}

//
// class for KeyEvent
//
JSClass KeyEventClass = {
  "KeyEvent", 
  JSCLASS_HAS_PRIVATE,
  JS_PropertyStub,
  JS_PropertyStub,
  GetKeyEventProperty,
  SetKeyEventProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub 
};


//
// KeyEvent class properties
//
static JSPropertySpec KeyEventProperties[] =
{
  {"charCode",    KEYEVENT_CHARCODE,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"keyCode",    KEYEVENT_KEYCODE,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"altKey",    KEYEVENT_ALTKEY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"ctrlKey",    KEYEVENT_CTRLKEY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"shiftKey",    KEYEVENT_SHIFTKEY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"metaKey",    KEYEVENT_METAKEY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"screenX",    MOUSEEVENT_SCREENX,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"screenY",    MOUSEEVENT_SCREENY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"clientX",    MOUSEEVENT_CLIENTX,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"clientY",    MOUSEEVENT_CLIENTY,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"button",    MOUSEEVENT_BUTTON,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"relatedTarget",    MOUSEEVENT_RELATEDTARGET,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {0}
};


//
// KeyEvent class methods
//
static JSFunctionSpec KeyEventMethods[] = 
{
  {"initKeyEvent",          KeyEventInitKeyEvent,     10},
  {"initMouseEvent",          MouseEventInitMouseEvent,     11},
  {0}
};


JSObject* InitKeyEventClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *obj;
	obj = JS_DefineObject (cx,globalObj, "KeyEvent", &KeyEventClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,obj,KeyEventProperties);
    JS_DefineFunctions (cx,obj,KeyEventMethods);
	return obj;
}

JSObject* NewScriptKeyEvent(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "KeyEvent", &vp) && JSVAL_IS_OBJECT(vp)))
		obj=JS_NewObject(cx,&KeyEventClass,JSVAL_TO_OBJECT(vp),NULL);
	else
		obj=InitKeyEventClass(cx,JS_GetParent(cx,proto),proto);
	return obj;
}