C++ KviKvsObject类代码示例

void KviKvsObjectController::killAllObjectsWithClass(KviKvsObjectClass * pClass)
{
	if(!m_pObjectDict)
		return; // no more objects at all...

	KviPointerList< QPointer<KviKvsObject> > lDying;
	lDying.setAutoDelete(true);

	KviKvsObject * pObject;

	for(pObject = m_pTopLevelObjectList->first();pObject;pObject = m_pTopLevelObjectList->next())
	{
		if(pObject->getClass() == pClass)
		{
			lDying.append(new QPointer<KviKvsObject>(pObject));
		} else {
			pObject->killAllChildrenWithClass(pClass);
		}
	}

	for(QPointer<KviKvsObject> * pObject = lDying.first();pObject;pObject = lDying.next())
	{
		if(pObject->isNull())
			continue; // already dead ?
		(*pObject)->dieNow();
	}
}

KVSO_CLASS_FUNCTION(mainWindow,setCentralWidget)
{
	CHECK_INTERNAL_POINTER(widget())
	KviKvsObject * pObject;
	kvs_hobject_t hObject;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
	KVSO_PARAMETERS_END(c)
	pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	if (!pObject)
	{
		c->warning(__tr2qs_ctx("Widget parameter is not an object","objects"));
		return true;
	}
	if (!pObject->object())
	{
		c->warning(__tr2qs_ctx("Widget parameter is not a valid object","objects"));
		return true;
	}
	if(!pObject->inheritsClass("widget"))
	{
		c->warning(__tr2qs_ctx("Widget object required","objects"));
		return true;
	}
	((KviTalMainWindow *)widget())->setCentralWidget(((QWidget  *)(pObject->object())));
	return true;
}

KVSO_CLASS_FUNCTION(trayIcon,setContextMenu)
{
	CHECK_INTERNAL_POINTER(m_pTrayIcon)
	KviKvsObject *ob;
	kvs_hobject_t hObject;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
	KVSO_PARAMETERS_END(c)
	ob=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	if (!ob)
	{
		c->warning(__tr2qs_ctx("Widget parameter is not an object","objects"));
		return true;
	}
	if (!ob->object())
	{
		c->warning(__tr2qs_ctx("Widget parameter is not a valid object","objects"));
		return true;
	}
	if(!ob->inheritsClass("popupmenu"))
	{
		c->warning(__tr2qs_ctx("Can't add a non-popupmenu object","objects"));
		return true;
	}
	 m_pTrayIcon->setContextMenu(((QMenu  *)(ob->object())));
	return true;
}

KVSO_CLASS_FUNCTION(workspace,addSubWindow)
{
	CHECK_INTERNAL_POINTER(widget())
	KviKvsObject * pObject;
	kvs_hobject_t hObject;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
	KVSO_PARAMETERS_END(c)

	pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	CHECK_HOBJECT_IS_WIDGET(pObject)
	QMdiSubWindow *pMdi=((QMdiArea *)object())->addSubWindow(((QWidget *)(pObject->object())));
	pWidgetDict->insert(hObject,pMdi);
	((QMdiArea *)object())->setActiveSubWindow(pMdi);
	return true;
}

KVSO_CLASS_FUNCTION(wizard,setTitle)
{
	CHECK_INTERNAL_POINTER(widget())
	KviKvsObject *ob;
	QString szTitle;
	kvs_hobject_t hObject;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("page_widget",KVS_PT_HOBJECT,0,hObject)
		KVSO_PARAMETER("title",KVS_PT_STRING,0,szTitle)
	KVSO_PARAMETERS_END(c)
	ob=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	if(!ob->object()->isWidgetType())
	{
		c->warning(__tr2qs_ctx("Widget object required","objects"));
		return true;
	}
	((KviTalWizard *)widget())->setPageTitle(((QWidget *)(ob->object())),szTitle);
	return true;
}

KVSO_CLASS_FUNCTION(hBox,setStretchFactor)
{
	CHECK_INTERNAL_POINTER(widget())
	KviKvsObject * pObject;
	kvs_hobject_t hObject;
	kvs_uint_t uStretch;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
		KVSO_PARAMETER("stretch",KVS_PT_UNSIGNEDINTEGER,0,uStretch)
	KVSO_PARAMETERS_END(c)
	pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	CHECK_HOBJECT_IS_WIDGET(pObject)
	if(((KvsObject_widget *)pObject)->widget()->parentWidget() != widget())
	{
		c->warning(__tr2qs_ctx("The widget must be a child of this hbox","objects"));
		return true;
	}
	((KviTalHBox *)widget())->setStretchFactor(((QWidget *)(pObject->object())),uStretch);
	return true;
}

KviKvsObject * KviKvsObjectClass::allocateInstance(KviKvsObject * pParent,const QString &szName,KviKvsRunTimeContext * pContext,KviKvsVariantList * pParams)
{
	if(!m_allocProc)
		return 0;

	KviKvsObject * pObject = m_allocProc(this,pParent,szName);
	if(!pObject)
		return 0;

	if(!pObject->init(pContext,pParams))
	{
		// internal init failure : abort
		pObject->dieNow();
		return 0;
	}

	// copy params
	KviKvsVariantList copy;
	copy.setAutoDelete(false);

	KviKvsVariant * v = pParams->first();

	while(v)
	{
		copy.append(v);
		v = pParams->next();
	}
	KviKvsVariant ret;

	if(!pObject->callFunction(pObject,"constructor",QString(),pContext,&ret,&copy))
	{
		// ops...constructor failed (script error!)
		pObject->dieNow();
		return 0;
	}
	
	if(!ret.isEmpty())
		pContext->warning(__tr2qs_ctx("It's not allowed to return values in the constructor","kvs"));

	return pObject;
}

KVSO_CLASS_FUNCTION(vBox,setAlignment)
{
	CHECK_INTERNAL_POINTER(widget())
	QStringList alignment;
	KviKvsObject * pObject;
	kvs_hobject_t hObject;
	KVSO_PARAMETERS_BEGIN(c)
		KVSO_PARAMETER("widget",KVS_PT_HOBJECT,0,hObject)
		KVSO_PARAMETER("alignment",KVS_PT_STRINGLIST,KVS_PF_OPTIONAL,alignment)
	KVSO_PARAMETERS_END(c)
	pObject=KviKvsKernel::instance()->objectController()->lookupObject(hObject);
	CHECK_HOBJECT_IS_WIDGET(pObject)
	if(((KvsObject_widget *)pObject)->widget()->parentWidget() != widget())
	{
		c->warning(__tr2qs_ctx("The widget must be a child of this hbox","objects"));
		return true;
	}

	int align,sum=0;
	for ( QStringList::Iterator it = alignment.begin(); it != alignment.end(); ++it )
		{

			align = 0;
			for(unsigned int j = 0; j < align_num; j++)
			{
				if(KviQString::equalCI((*it), align_tbl[j]))
				{
					align=align_cod[j];
					break;
				}
			}
			if(align)
				sum = sum | align;
			else
				c->warning(__tr2qs_ctx("Unknown alignment: '%Q'","objects"),&(*it));

		}
	if (widget()) ((KviTalHBox *)widget())->setAlignment(((QWidget *)(pObject->object())),(Qt::Alignment)sum);
	return true;
}

KVSO_CLASS_FUNCTION(xmlReader, parse)
{
	KviKvsVariant * pVariantData;

	KVSO_PARAMETERS_BEGIN(c)
	KVSO_PARAMETER("string_or_memorybuffer_object", KVS_PT_VARIANT, 0, pVariantData)
	KVSO_PARAMETERS_END(c)
#ifdef QT_NO_XML
	fatalError(__tr2qs_ctx("XML support not available in the Qt library"));
	c->returnValue()->setBoolean(false);
#else
	m_szLastError = "";
	KviXmlHandler handler(this);
	QXmlInputSource source;

	if(pVariantData->isHObject())
	{
		KviKvsObject * pObject;
		kvs_hobject_t hObject;
		pVariantData->asHObject(hObject);
		pObject = KviKvsKernel::instance()->objectController()->lookupObject(hObject);
		if(!pObject)
		{
			c->warning(__tr2qs_ctx("Data parameter is not an object", "objects"));
			return true;
		}
		if(pObject->inheritsClass("memorybuffer"))
		{
			source.setData(*((KvsObject_memoryBuffer *)pObject)->pBuffer());
		}
		else
		{
			c->warning(__tr2qs_ctx("Data parameter is not a memorybuffer object", "objects"));
			return true;
		}
	}
	else if(pVariantData->isString())
	{
		QString szString;
		pVariantData->asString(szString);
		// We have a problem here.. most kvirc functions already interpret the data
		// read from files. We should have binary data handling features to get this to work correctly.
		// The following snippet of code tries to provide a best-effort workaround.
		QByteArray utf8data = szString.toUtf8();
		QByteArray data = utf8data;
		data.truncate(utf8data.length()); // don't include the null terminator in data
		source.setData(data);
		//qDebug("PARSING(%s) LEN(%d)",szString.toUtf8().data(),szString.toUtf8().length());
	}
	else
	{
		c->warning(__tr2qs_ctx("Data is not a memorybuffer object or string", "objects"));
		return true;
	}
	QXmlSimpleReader reader;
	reader.setContentHandler(&handler);
	reader.setErrorHandler(&handler);
	c->returnValue()->setBoolean(reader.parse(source));
#endif
	return true;
}