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())
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);
}
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);
}
}