C++ (Cpp) JXSelectionManager::GetTargetsXAtom Examples

Example #1

File: JXSelectionData.cpp Project: jafl/jx_application_framework

JBoolean
JXSelectionData::Convert
	(
	const Atom		requestType,
	Atom*			returnType,
	unsigned char**	data,
	JSize*			dataLength,
	JSize*			bitsPerBlock
	)
	const
{
	JXSelectionManager* selMgr = GetSelectionManager();

	// TARGETS

	if (requestType == selMgr->GetTargetsXAtom())
		{
		const JSize atomCount = itsTypeList->GetElementCount();
		assert( atomCount > 0 );

		*returnType   = XA_ATOM;
		*bitsPerBlock = 32;		// XXXATOM: sizeof(Atom)*8; -- fails on 64-bit systems
		*dataLength   = sizeof(Atom)*atomCount;

		*data = jnew unsigned char [ *dataLength ];
		if (*data == NULL)
			{
			return kJFalse;
			}

		Atom* atomData = reinterpret_cast<Atom*>(*data);
		for (JIndex i=1; i<=atomCount; i++)
			{
			atomData[i-1] = itsTypeList->GetElement(i);
			}

		return kJTrue;
		}

	// TIMESTAMP

	else if (requestType == selMgr->GetTimeStampXAtom())

Example #2

File: JXSelectionData.cpp Project: mbert/mulberry-lib-jx

void
JXSelectionData::SetSelectionInfo
	(
	const Atom	selectionName,
	const Time	startTime
	)
{
	assert( selectionName != None );

	itsSelectionName = selectionName;
	itsStartTime     = startTime;

	if (selectionName != GetDNDSelectionName())
		{
		JXSelectionManager* selMgr = GetSelectionManager();
		AddType(selMgr->GetTargetsXAtom());
		AddType(selMgr->GetTimeStampXAtom());
		}

	AddTypes(selectionName);
}

Example #3

File: JXSelectionData.cpp Project: mbert/mulberry-lib-jx

JBoolean
JXSelectionData::Convert
	(
	const Atom		requestType,
	Atom*			returnType,
	unsigned char**	data,
	JSize*			dataLength,
	JSize*			bitsPerBlock
	)
	const
{
	JXSelectionManager* selMgr = GetSelectionManager();

	// TARGETS

	if (requestType == selMgr->GetTargetsXAtom())
		{
		const JSize atomCount = itsTypeList->GetElementCount();
		assert( atomCount > 0 );

		*returnType   = XA_ATOM;
		*bitsPerBlock = sizeof(Atom)*8;
		*dataLength   = sizeof(Atom)*atomCount;

		*data = new unsigned char [ *dataLength ];
		if (*data == NULL)
			{
			return kJFalse;
			}

		Atom* atomData = reinterpret_cast<Atom*>(*data);
		for (JIndex i=1; i<=atomCount; i++)
			{
			atomData[i-1] = itsTypeList->GetElement(i);
			}

		return kJTrue;
		}

	// TIMESTAMP

	else if (requestType == selMgr->GetTimeStampXAtom())
		{
		*returnType   = XA_INTEGER;
		*bitsPerBlock = sizeof(Time)*8;
		*dataLength   = sizeof(Time);

		*data = new unsigned char [ *dataLength ];
		if (*data == NULL)
			{
			return kJFalse;
			}

		*(reinterpret_cast<Time*>(*data)) = itsStartTime;

		return kJTrue;
		}

	// everything else

	else
		{
		Resolve();
		return ConvertData(requestType, returnType,
						   data, dataLength, bitsPerBlock);
		}
}