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| |
| #include "qwindowsdropdataobject.h" |
| |
| #include <QtCore/qurl.h> |
| #include <QtCore/qmimedata.h> |
| #include "qwindowsmime.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| /*! |
| \class QWindowsDropDataObject |
| \brief QWindowsOleDataObject subclass specialized for handling Drag&Drop. |
| |
| Prevents "text/uri-list" data for local files from being exported as text |
| or URLs, to allow dropped files to be attached to Office applications |
| (instead of creating local hyperlinks). |
| |
| \internal |
| \ingroup qt-lighthouse-win |
| */ |
| |
| QWindowsDropDataObject::QWindowsDropDataObject(QMimeData *mimeData) : |
| QWindowsOleDataObject(mimeData) |
| { |
| } |
| |
| QWindowsDropDataObject::~QWindowsDropDataObject() = default; |
| |
| STDMETHODIMP |
| QWindowsDropDataObject::GetData(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium) |
| { |
| if (shouldIgnore(pformatetc)) |
| return ResultFromScode(DATA_E_FORMATETC); |
| |
| return QWindowsOleDataObject::GetData(pformatetc, pmedium); |
| } |
| |
| STDMETHODIMP |
| QWindowsDropDataObject::QueryGetData(LPFORMATETC pformatetc) |
| { |
| if (shouldIgnore(pformatetc)) |
| return ResultFromScode(DATA_E_FORMATETC); |
| |
| return QWindowsOleDataObject::QueryGetData(pformatetc); |
| } |
| |
| // If the data is "text/uri-list" only, and all URIs are for local files, |
| // we prevent it from being exported as text or URLs, to make target applications |
| // like MS Office attach or open the files instead of creating local hyperlinks. |
| bool QWindowsDropDataObject::shouldIgnore(LPFORMATETC pformatetc) const |
| { |
| QMimeData *dropData = mimeData(); |
| |
| if (dropData && dropData->formats().size() == 1 && dropData->hasUrls()) { |
| QString formatName = QWindowsMimeConverter::clipboardFormatName(pformatetc->cfFormat); |
| if (pformatetc->cfFormat == CF_UNICODETEXT |
| || pformatetc->cfFormat == CF_TEXT |
| || formatName == QStringLiteral("UniformResourceLocator") |
| || formatName == QStringLiteral("UniformResourceLocatorW")) { |
| QList<QUrl> urls = dropData->urls(); |
| return std::all_of(urls.cbegin(), urls.cend(), [] (const QUrl &u) { return u.isLocalFile(); }); |
| } |
| } |
| |
| return false; |
| } |
| |
| QT_END_NAMESPACE |