diff options
Diffstat (limited to 'plugins/mTextControl/src/dataobject.cpp')
| -rw-r--r-- | plugins/mTextControl/src/dataobject.cpp | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/plugins/mTextControl/src/dataobject.cpp b/plugins/mTextControl/src/dataobject.cpp deleted file mode 100644 index a05a63d05c..0000000000 --- a/plugins/mTextControl/src/dataobject.cpp +++ /dev/null @@ -1,276 +0,0 @@ -//
-// DATAOBJECT.CPP
-//
-// Implementation of the IDataObject COM interface
-//
-// By J Brown 2004
-//
-// www.catch22.net
-//
-
-//#define STRICT
-
-#include "stdafx.h"
-
-const ULONG MAX_FORMATS = 100;
-
-HRESULT CreateEnumFormatEtc(UINT nNumFormats, FORMATETC *pFormatEtc, IEnumFORMATETC **ppEnumFormatEtc);
-
-class CDataObject : public IDataObject
-{
-public:
- //
- // IUnknown members
- //
- HRESULT __stdcall QueryInterface(REFIID iid, void ** ppvObject);
- ULONG __stdcall AddRef(void);
- ULONG __stdcall Release(void);
-
- //
- // IDataObject members
- //
- HRESULT __stdcall GetData(FORMATETC *pFormatEtc, STGMEDIUM *pMedium);
- HRESULT __stdcall GetDataHere(FORMATETC *pFormatEtc, STGMEDIUM *pMedium);
- HRESULT __stdcall QueryGetData(FORMATETC *pFormatEtc);
- HRESULT __stdcall GetCanonicalFormatEtc(FORMATETC *pFormatEct, FORMATETC *pFormatEtcOut);
- HRESULT __stdcall SetData(FORMATETC *pFormatEtc, STGMEDIUM *pMedium, BOOL fRelease);
- HRESULT __stdcall EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppEnumFormatEtc);
- HRESULT __stdcall DAdvise(FORMATETC *pFormatEtc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection);
- HRESULT __stdcall DUnadvise(DWORD dwConnection);
- HRESULT __stdcall EnumDAdvise(IEnumSTATDATA **ppEnumAdvise);
-
- //
- // Constructor / Destructor
- //
- CDataObject(const FORMATETC *fmt, const STGMEDIUM *stgmed, int count);
- ~CDataObject();
-
-private:
-
- int LookupFormatEtc(FORMATETC *pFormatEtc);
-
- //
- // any private members and functions
- //
- LONG m_lRefCount;
-
- FORMATETC *m_pFormatEtc;
- STGMEDIUM *m_pStgMedium;
- LONG m_nNumFormats;
-
-};
-
-//
-// Constructor
-//
-CDataObject::CDataObject(const FORMATETC *fmtetc, const STGMEDIUM *stgmed, int count)
-{
- m_lRefCount = 1;
- m_nNumFormats = count;
-
- m_pFormatEtc = new FORMATETC[count];
- m_pStgMedium = new STGMEDIUM[count];
-
- for (int i = 0; i < count; i++) {
- m_pFormatEtc[i] = fmtetc[i];
- m_pStgMedium[i] = stgmed[i];
- }
-}
-
-//
-// Destructor
-//
-CDataObject::~CDataObject()
-{
- // cleanup
- for (int i = 0; i < m_nNumFormats; i++) {
- // ReleaseStgMedium(&m_pStgMedium[i]);
- }
-
- if (m_pFormatEtc) delete[] m_pFormatEtc;
- if (m_pStgMedium) delete[] m_pStgMedium;
-}
-
-//
-// IUnknown::AddRef
-//
-ULONG __stdcall CDataObject::AddRef(void)
-{
- // increment object reference count
- return InterlockedIncrement(&m_lRefCount);
-}
-
-//
-// IUnknown::Release
-//
-ULONG __stdcall CDataObject::Release(void)
-{
- // decrement object reference count
- LONG count = InterlockedDecrement(&m_lRefCount);
-
- if (count == 0) {
- delete this;
- return 0;
- }
-
- return count;
-}
-
-//
-// IUnknown::QueryInterface
-//
-HRESULT __stdcall CDataObject::QueryInterface(REFIID iid, void **ppvObject)
-{
- // check to see what interface has been requested
- if (iid == IID_IDataObject || iid == IID_IUnknown) {
- AddRef();
- *ppvObject = this;
- return S_OK;
- }
-
- *ppvObject = nullptr;
- return E_NOINTERFACE;
-}
-
-int CDataObject::LookupFormatEtc(FORMATETC *pFormatEtc)
-{
- for (int i = 0; i < m_nNumFormats; i++) {
- if ((pFormatEtc->tymed & m_pFormatEtc[i].tymed) &&
- pFormatEtc->cfFormat == m_pFormatEtc[i].cfFormat &&
- pFormatEtc->dwAspect == m_pFormatEtc[i].dwAspect) {
- return i;
- }
- }
-
- return -1;
-}
-
-//
-// IDataObject::GetData
-//
-HRESULT __stdcall CDataObject::GetData(FORMATETC *pFormatEtc, STGMEDIUM *pMedium)
-{
- int idx;
-
- //
- // try to match the requested FORMATETC with one of our supported formats
- //
- if ((idx = LookupFormatEtc(pFormatEtc)) == -1) {
- return DV_E_FORMATETC;
- }
-
- //
- // found a match! transfer the data into the supplied storage-medium
- //
- pMedium->tymed = m_pFormatEtc[idx].tymed;
- pMedium->pUnkForRelease = nullptr;
-
- switch (pMedium->tymed) {
- case TYMED_HGLOBAL:
- case TYMED_GDI:
- case TYMED_ENHMF:
- // pMedium->hBitmap = (HBITMAP)OleDuplicateData(m_pStgMedium[idx].hBitmap, pFormatEtc->cfFormat, 0);
- pMedium->hBitmap = m_pStgMedium[idx].hBitmap;
- break;
-
- default:
- return DV_E_FORMATETC;
- }
- if (pMedium->hBitmap == nullptr) return STG_E_MEDIUMFULL;
-
- return S_OK;
-}
-
-//
-// IDataObject::GetDataHere
-//
-HRESULT __stdcall CDataObject::GetDataHere(FORMATETC *, STGMEDIUM *)
-{
- // GetDataHere is only required for IStream and IStorage mediums
- // It is an error to call GetDataHere for things like HGLOBAL and other clipboard formats
- //
- // OleFlushClipboard
- //
- return DATA_E_FORMATETC;
-}
-
-//
-// IDataObject::QueryGetData
-//
-// Called to see if the IDataObject supports the specified format of data
-//
-HRESULT __stdcall CDataObject::QueryGetData(FORMATETC *pFormatEtc)
-{
- return (LookupFormatEtc(pFormatEtc) == -1) ? DV_E_FORMATETC : S_OK;
-}
-
-//
-// IDataObject::GetCanonicalFormatEtc
-//
-HRESULT __stdcall CDataObject::GetCanonicalFormatEtc(FORMATETC *, FORMATETC *pFormatEtcOut)
-{
- // Apparently we have to set this field to NULL even though we don't do anything else
- pFormatEtcOut->ptd = nullptr;
- return E_NOTIMPL;
-}
-
-//
-// IDataObject::SetData
-//
-HRESULT __stdcall CDataObject::SetData(FORMATETC *, STGMEDIUM *, BOOL)
-{
- return E_NOTIMPL;
-}
-
-//
-// IDataObject::EnumFormatEtc
-//
-HRESULT __stdcall CDataObject::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppEnumFormatEtc)
-{
- if (dwDirection == DATADIR_GET) {
- // for Win2k+ you can use the SHCreateStdEnumFmtEtc API call, however
- // to support all Windows platforms we need to implement IEnumFormatEtc ourselves.
- return CreateEnumFormatEtc(m_nNumFormats, m_pFormatEtc, ppEnumFormatEtc);
- }
- else {
- // the direction specified is not support for drag+drop
- return E_NOTIMPL;
- }
-}
-
-//
-// IDataObject::DAdvise
-//
-HRESULT __stdcall CDataObject::DAdvise(FORMATETC *, DWORD, IAdviseSink *, DWORD *)
-{
- return OLE_E_ADVISENOTSUPPORTED;
-}
-
-//
-// IDataObject::DUnadvise
-//
-HRESULT __stdcall CDataObject::DUnadvise(DWORD)
-{
- return OLE_E_ADVISENOTSUPPORTED;
-}
-
-//
-// IDataObject::EnumDAdvise
-//
-HRESULT __stdcall CDataObject::EnumDAdvise(IEnumSTATDATA **)
-{
- return OLE_E_ADVISENOTSUPPORTED;
-}
-
-//
-// Helper function
-//
-HRESULT CreateDataObject(const FORMATETC *fmtetc, const STGMEDIUM *stgmeds, UINT count, IDataObject **ppDataObject)
-{
- if (ppDataObject == nullptr)
- return E_INVALIDARG;
-
- *ppDataObject = new CDataObject(fmtetc, stgmeds, count);
-
- return (*ppDataObject) ? S_OK : E_OUTOFMEMORY;
-}
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