git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24150 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Edwin Leuven 2008-04-07 15:07:30 +00:00
parent e332dbe7fa
commit e60e0a0932

View File

@ -71,40 +71,37 @@ namespace frontend {
#ifdef Q_WS_WIN
static FORMATETC setCf(int cf)
static FORMATETC cfFromMime(QString const & mimetype)
{
FORMATETC formatetc;
formatetc.cfFormat = cf;
if (mimetype == emf_mime_type) {
formatetc.cfFormat = CF_ENHMETAFILE;
formatetc.tymed = TYMED_ENHMF;
}
else if (mimetype == wmf_mime_type) {
formatetc.cfFormat = CF_METAFILEPICT;
formatetc.tymed = TYMED_MFPICT;
}
else return formatetc;
formatetc.ptd = NULL;
formatetc.dwAspect = DVASPECT_CONTENT;
formatetc.lindex = -1;
if (cf == CF_ENHMETAFILE)
formatetc.tymed = TYMED_ENHMF;
if (cf == CF_METAFILEPICT)
formatetc.tymed = TYMED_MFPICT;
return formatetc;
}
static bool canGetData(int cf, IDataObject * pDataObj)
{
FORMATETC formatetc = setCf(cf);
return pDataObj->QueryGetData(&formatetc) == S_OK;
}
class QWindowsMimeMetafile : public QWindowsMime {
public:
bool canConvertFromMime(FORMATETC const & formatetc, QMimeData const * mimeData) const;
bool canConvertToMime(QString const & mimeType, IDataObject * pDataObj) const;
bool convertFromMime(FORMATETC const & formatetc, const QMimeData * mimeData, STGMEDIUM * pmedium) const;
QVariant convertToMime(QString const & mimeType, IDataObject * pDataObj, QVariant::Type preferredType) const;
bool canConvertFromMime(FORMATETC const & formatetc, QMimeData const * mimedata) const;
bool canConvertToMime(QString const & mimetype, IDataObject * pDataObj) const;
bool convertFromMime(FORMATETC const & formatetc, const QMimeData * mimedata, STGMEDIUM * pmedium) const;
QVariant convertToMime(QString const & mimetype, IDataObject * pDataObj, QVariant::Type preferredType) const;
QVector<FORMATETC> formatsForMime(QString const & mimeType, QMimeData const * mimeData) const;
QString mimeForFormat(FORMATETC const &) const;
};
QString QWindowsMimeMetafile::mimeForFormat(const FORMATETC & formatetc) const
QString QWindowsMimeMetafile::mimeForFormat(FORMATETC const & formatetc) const
{
QString f;
if (formatetc.cfFormat == CF_ENHMETAFILE)
@ -116,71 +113,62 @@ QString QWindowsMimeMetafile::mimeForFormat(const FORMATETC & formatetc) const
bool QWindowsMimeMetafile::canConvertFromMime(
const FORMATETC & formatetc, const QMimeData * mimeData) const
FORMATETC const & formatetc, QMimeData const * mimedata) const
{
return false;
}
bool QWindowsMimeMetafile::canConvertToMime(
const QString & mimeType, IDataObject * pDataObj) const
QString const & mimetype, IDataObject * pDataObj) const
{
return (mimeType == "image/x-emf" && canGetData(CF_ENHMETAFILE, pDataObj))
|| (mimeType == "image/x-wmf" && canGetData(CF_METAFILEPICT, pDataObj));
FORMATETC formatetc = cfFromMime(mimetype);
return pDataObj->QueryGetData(&formatetc) == S_OK;
}
bool QWindowsMimeMetafile::convertFromMime(
const FORMATETC & formatetc, const QMimeData * mimeData,
FORMATETC const & formatetc, QMimeData const * mimedata,
STGMEDIUM * pmedium) const
{
return false;
}
QVariant QWindowsMimeMetafile::convertToMime(
const QString & mimeType, IDataObject * pDataObj,
QVariant::Type preferredType) const
QVariant QWindowsMimeMetafile::convertToMime(QString const & mimetype,
IDataObject * pDataObj, QVariant::Type preferredType) const
{
QVariant ret;
if (canConvertToMime(mimeType, pDataObj)) {
FORMATETC formatetc;
if (mimeType == "image/x-emf")
formatetc = setCf(CF_ENHMETAFILE);
if (mimeType == "image/x-wmf")
formatetc = setCf(CF_METAFILEPICT);
STGMEDIUM s;
QByteArray data;
int dataSize;
if (pDataObj->GetData(&formatetc, &s) == S_OK) {
if (s.tymed == TYMED_ENHMF) {
dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, 0, NULL);
data.resize(dataSize);
dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, dataSize, (LPBYTE)data.data());
} else if (s.tymed == TYMED_MFPICT) {
dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, 0, NULL);
data.resize(dataSize);
dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, dataSize, (LPBYTE)data.data());
}
data.detach();
ReleaseStgMedium(&s);
}
ret = data;
QByteArray data;
if (!canConvertToMime(mimetype, pDataObj))
return data;
FORMATETC formatetc = cfFromMime(mimetype);
STGMEDIUM s;
if (pDataObj->GetData(&formatetc, &s) != S_OK)
return data;
int dataSize;
if (s.tymed == TYMED_ENHMF) {
dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, 0, NULL);
data.resize(dataSize);
dataSize = GetEnhMetaFileBits(s.hEnhMetaFile, dataSize, (LPBYTE)data.data());
} else if (s.tymed == TYMED_MFPICT) {
dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, 0, NULL);
data.resize(dataSize);
dataSize = GetMetaFileBitsEx((HMETAFILE)s.hMetaFilePict, dataSize, (LPBYTE)data.data());
}
return ret;
data.detach();
ReleaseStgMedium(&s);
return data;
}
QVector<FORMATETC> QWindowsMimeMetafile::formatsForMime(
const QString & mimeType, const QMimeData * mimeData) const
QString const & mimetype, QMimeData const * mimedata) const
{
QVector<FORMATETC> formats;
if (mimeType == "image/x-emf")
formats += setCf(CF_ENHMETAFILE);
if (mimeType == "image/x-wmf")
formats += setCf(CF_METAFILEPICT);
formats += cfFromMime(mimetype);
return formats;
}