clipboard.c File Reference

#include "editor.h"

Include dependency graph for clipboard.c:

Go to the source code of this file.

Classes
struct	DataObjectImpl
struct	EnumFormatImpl
struct	tagME_GlobalDestStruct

Typedefs
typedef struct DataObjectImpl	DataObjectImpl
typedef struct EnumFormatImpl	EnumFormatImpl
typedef struct tagME_GlobalDestStruct	ME_GlobalDestStruct

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (richedit)
static HRESULT	EnumFormatImpl_Create (const FORMATETC *fmtetc, UINT size, LPENUMFORMATETC *lplpformatetc)
static DataObjectImpl *	impl_from_IDataObject (IDataObject *iface)
static EnumFormatImpl *	impl_from_IEnumFORMATETC (IEnumFORMATETC *iface)
static HRESULT WINAPI	EnumFormatImpl_QueryInterface (IEnumFORMATETC *iface, REFIID riid, LPVOID *ppvObj)
static ULONG WINAPI	EnumFormatImpl_AddRef (IEnumFORMATETC *iface)
static ULONG WINAPI	EnumFormatImpl_Release (IEnumFORMATETC *iface)
static HRESULT WINAPI	EnumFormatImpl_Next (IEnumFORMATETC *iface, ULONG celt, FORMATETC *rgelt, ULONG *pceltFetched)
static HRESULT WINAPI	EnumFormatImpl_Skip (IEnumFORMATETC *iface, ULONG celt)
static HRESULT WINAPI	EnumFormatImpl_Reset (IEnumFORMATETC *iface)
static HRESULT WINAPI	EnumFormatImpl_Clone (IEnumFORMATETC *iface, IEnumFORMATETC **ppenum)
static HRESULT	EnumFormatImpl_Create (const FORMATETC *fmtetc, UINT fmtetc_cnt, IEnumFORMATETC **formatetc)
static HRESULT WINAPI	DataObjectImpl_QueryInterface (IDataObject *iface, REFIID riid, LPVOID *ppvObj)
static ULONG WINAPI	DataObjectImpl_AddRef (IDataObject *iface)
static ULONG WINAPI	DataObjectImpl_Release (IDataObject *iface)
static HRESULT WINAPI	DataObjectImpl_GetData (IDataObject *iface, FORMATETC *pformatetc, STGMEDIUM *pmedium)
static HRESULT WINAPI	DataObjectImpl_GetDataHere (IDataObject *iface, FORMATETC *pformatetc, STGMEDIUM *pmedium)
static HRESULT WINAPI	DataObjectImpl_QueryGetData (IDataObject *iface, FORMATETC *pformatetc)
static HRESULT WINAPI	DataObjectImpl_GetCanonicalFormatEtc (IDataObject *iface, FORMATETC *pformatetcIn, FORMATETC *pformatetcOut)
static HRESULT WINAPI	DataObjectImpl_SetData (IDataObject *iface, FORMATETC *pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
static HRESULT WINAPI	DataObjectImpl_EnumFormatEtc (IDataObject *iface, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
static HRESULT WINAPI	DataObjectImpl_DAdvise (IDataObject *iface, FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
static HRESULT WINAPI	DataObjectImpl_DUnadvise (IDataObject *iface, DWORD dwConnection)
static HRESULT WINAPI	DataObjectImpl_EnumDAdvise (IDataObject *iface, IEnumSTATDATA **ppenumAdvise)
static HGLOBAL	get_unicode_text (ME_TextEditor *editor, const ME_Cursor *start, int nChars)
static DWORD CALLBACK	ME_AppendToHGLOBAL (DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
static HGLOBAL	get_rtf_text (ME_TextEditor *editor, const ME_Cursor *start, int nChars)
HRESULT	ME_GetDataObject (ME_TextEditor *editor, const ME_Cursor *start, int nChars, IDataObject **dataobj)

Variables
static UINT	cfRTF = 0
static const IEnumFORMATETCVtbl	VT_EnumFormatImpl
static const IDataObjectVtbl	VT_DataObjectImpl

Typedef Documentation

DataObjectImpl

typedef struct DataObjectImpl DataObjectImpl

EnumFormatImpl

typedef struct EnumFormatImpl EnumFormatImpl

ME_GlobalDestStruct

typedef struct tagME_GlobalDestStruct ME_GlobalDestStruct

Function Documentation

DataObjectImpl_AddRef()

static ULONG WINAPI DataObjectImpl_AddRef ( IDataObject *  iface )

static

Definition at line 191 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) ref=%ld\n", This, ref);
    return ref;
}

DataObjectImpl_DAdvise()

static HRESULT WINAPI DataObjectImpl_DAdvise ( IDataObject *  iface, FORMATETC *  pformatetc, DWORD  advf, IAdviseSink *  pAdvSink, DWORD *  pdwConnection  )

static

Definition at line 302 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    FIXME("(%p): stub\n", This);
    return E_NOTIMPL;
}

DataObjectImpl_DUnadvise()

static HRESULT WINAPI DataObjectImpl_DUnadvise ( IDataObject *  iface, DWORD  dwConnection  )

static

Definition at line 310 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    FIXME("(%p): stub\n", This);
    return E_NOTIMPL;
}

DataObjectImpl_EnumDAdvise()

static HRESULT WINAPI DataObjectImpl_EnumDAdvise ( IDataObject *  iface, IEnumSTATDATA **  ppenumAdvise  )

static

Definition at line 317 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    FIXME("(%p): stub\n", This);
    return E_NOTIMPL;
}

DataObjectImpl_EnumFormatEtc()

static HRESULT WINAPI DataObjectImpl_EnumFormatEtc ( IDataObject *  iface, DWORD  dwDirection, IEnumFORMATETC **  ppenumFormatEtc  )

static

Definition at line 287 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    TRACE("(%p)->(%ld)\n", This, dwDirection);
 
    if(dwDirection != DATADIR_GET) {
        FIXME("Unsupported direction: %ld\n", dwDirection);
        /* WinXP riched20 also returns E_NOTIMPL in this case */
        *ppenumFormatEtc = NULL;
        return E_NOTIMPL;
    }
    return EnumFormatImpl_Create(This->fmtetc, This->fmtetc_cnt, ppenumFormatEtc);
}

DataObjectImpl_GetCanonicalFormatEtc()

static HRESULT WINAPI DataObjectImpl_GetCanonicalFormatEtc ( IDataObject *  iface, FORMATETC *  pformatetcIn, FORMATETC *  pformatetcOut  )

static

Definition at line 266 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    TRACE("(%p)->(%p,%p)\n", This, pformatetcIn, pformatetcOut);
 
    if(pformatetcOut) {
        *pformatetcOut = *pformatetcIn;
        pformatetcOut->ptd = NULL;
    }
    return DATA_S_SAMEFORMATETC;
}

DataObjectImpl_GetData()

static HRESULT WINAPI DataObjectImpl_GetData ( IDataObject *  iface, FORMATETC *  pformatetc, STGMEDIUM *  pmedium  )

static

Definition at line 215 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    TRACE("(%p)->(fmt=0x%08x tym=0x%08lx)\n", This, pformatetc->cfFormat, pformatetc->tymed);
 
    if(pformatetc->lindex != -1)
        return DV_E_LINDEX;
 
    if(!(pformatetc->tymed & TYMED_HGLOBAL))
        return DV_E_TYMED;
 
    if(This->unicode && pformatetc->cfFormat == CF_UNICODETEXT)
        pmedium->hGlobal = This->unicode;
    else if(This->rtf && pformatetc->cfFormat == cfRTF)
        pmedium->hGlobal = This->rtf;
    else
        return DV_E_FORMATETC;
 
    pmedium->tymed = TYMED_HGLOBAL;
    pmedium->pUnkForRelease = (LPUNKNOWN)iface;
    IUnknown_AddRef(pmedium->pUnkForRelease);
    return S_OK;
}

DataObjectImpl_GetDataHere()

static HRESULT WINAPI DataObjectImpl_GetDataHere ( IDataObject *  iface, FORMATETC *  pformatetc, STGMEDIUM *  pmedium  )

static

Definition at line 239 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    FIXME("(%p): stub\n", This);
    return E_NOTIMPL;
}

DataObjectImpl_QueryGetData()

static HRESULT WINAPI DataObjectImpl_QueryGetData ( IDataObject *  iface, FORMATETC *  pformatetc  )

static

Definition at line 246 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    UINT i;
    BOOL foundFormat = FALSE;
    TRACE("(%p)->(fmt=0x%08x tym=0x%08lx)\n", This, pformatetc->cfFormat, pformatetc->tymed);
 
    if(pformatetc->lindex != -1)
        return DV_E_LINDEX;
 
    for(i=0; i<This->fmtetc_cnt; i++) {
        if(This->fmtetc[i].cfFormat == pformatetc->cfFormat) {
            foundFormat = TRUE;
            if(This->fmtetc[i].tymed == pformatetc->tymed)
                return S_OK;
        }
    }
    return foundFormat?DV_E_FORMATETC:DV_E_TYMED;
}

DataObjectImpl_QueryInterface()

static HRESULT WINAPI DataObjectImpl_QueryInterface ( IDataObject *  iface, REFIID  riid, LPVOID *  ppvObj  )

static

Definition at line 177 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    TRACE("(%p)->(%s)\n", This, debugstr_guid(riid));
 
    if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IDataObject)) {
        IDataObject_AddRef(iface);
        *ppvObj = &This->IDataObject_iface;
        return S_OK;
    }
    *ppvObj = NULL;
    return E_NOINTERFACE;
}

DataObjectImpl_Release()

static ULONG WINAPI DataObjectImpl_Release ( IDataObject *  iface )

static

Definition at line 199 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
    TRACE("(%p) ref=%ld\n",This, ref);
 
    if(!ref) {
        if(This->unicode) GlobalFree(This->unicode);
        if(This->rtf) GlobalFree(This->rtf);
        if(This->fmtetc) GlobalFree(This->fmtetc);
        free(This);
    }
 
    return ref;
}

DataObjectImpl_SetData()

static HRESULT WINAPI DataObjectImpl_SetData ( IDataObject *  iface, FORMATETC *  pformatetc, STGMEDIUM *  pmedium, BOOL  fRelease  )

static

Definition at line 279 of file clipboard.c.

{
    DataObjectImpl *This = impl_from_IDataObject(iface);
    FIXME("(%p): stub\n", This);
    return E_NOTIMPL;
}

EnumFormatImpl_AddRef()

static ULONG WINAPI EnumFormatImpl_AddRef ( IEnumFORMATETC *  iface )

static

Definition at line 74 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    LONG ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) ref=%ld\n", This, ref);
    return ref;
}

EnumFormatImpl_Clone()

static HRESULT WINAPI EnumFormatImpl_Clone ( IEnumFORMATETC *  iface, IEnumFORMATETC **  ppenum  )

static

Definition at line 136 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    HRESULT hr;
    TRACE("(%p)->(%p)\n", This, ppenum);
 
    if(!ppenum)
        return E_INVALIDARG;
    hr = EnumFormatImpl_Create(This->fmtetc, This->fmtetc_cnt, ppenum);
    if(SUCCEEDED(hr))
        hr = IEnumFORMATETC_Skip(*ppenum, This->cur);
    return hr;
}

EnumFormatImpl_Create() [1/2]

static HRESULT EnumFormatImpl_Create ( const FORMATETC *  fmtetc, UINT  fmtetc_cnt, IEnumFORMATETC **  formatetc  )

static

Definition at line 160 of file clipboard.c.

{
    EnumFormatImpl *ret;
    TRACE("\n");
 
    ret = malloc(sizeof(EnumFormatImpl));
    ret->IEnumFORMATETC_iface.lpVtbl = &VT_EnumFormatImpl;
    ret->ref = 1;
    ret->cur = 0;
    ret->fmtetc_cnt = fmtetc_cnt;
    ret->fmtetc = GlobalAlloc(GMEM_ZEROINIT, fmtetc_cnt*sizeof(FORMATETC));
    memcpy(ret->fmtetc, fmtetc, fmtetc_cnt*sizeof(FORMATETC));
    *formatetc = &ret->IEnumFORMATETC_iface;
    return S_OK;
}

EnumFormatImpl_Create() [2/2]

static HRESULT EnumFormatImpl_Create ( const FORMATETC *  fmtetc, UINT  size, LPENUMFORMATETC *  lplpformatetc  )

static

Referenced by DataObjectImpl_EnumFormatEtc(), and EnumFormatImpl_Clone().

EnumFormatImpl_Next()

static HRESULT WINAPI EnumFormatImpl_Next ( IEnumFORMATETC *  iface, ULONG  celt, FORMATETC *  rgelt, ULONG *  pceltFetched  )

static

Definition at line 96 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    ULONG count = 0;
    TRACE("(%p)->(%ld %p %p)\n", This, celt, rgelt, pceltFetched);
 
    if(!rgelt)
        return E_INVALIDARG;
 
    count = min(celt, This->fmtetc_cnt-This->cur);
    if(count > 0) {
        memcpy(rgelt, This->fmtetc+This->cur, count*sizeof(FORMATETC));
        This->cur += count;
    }
    if(pceltFetched)
        *pceltFetched = count;
    return count == celt ? S_OK : S_FALSE;
}

EnumFormatImpl_QueryInterface()

static HRESULT WINAPI EnumFormatImpl_QueryInterface ( IEnumFORMATETC *  iface, REFIID  riid, LPVOID *  ppvObj  )

static

Definition at line 60 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    TRACE("%p %s\n", This, debugstr_guid(riid));
 
    if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IEnumFORMATETC)) {
        IEnumFORMATETC_AddRef(iface);
        *ppvObj = &This->IEnumFORMATETC_iface;
        return S_OK;
    }
    *ppvObj = NULL;
    return E_NOINTERFACE;
}

EnumFormatImpl_Release()

static ULONG WINAPI EnumFormatImpl_Release ( IEnumFORMATETC *  iface )

static

Definition at line 82 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
    TRACE("(%p) ref=%ld\n", This, ref);
 
    if(!ref) {
        GlobalFree(This->fmtetc);
        free(This);
    }
 
    return ref;
}

EnumFormatImpl_Reset()

static HRESULT WINAPI EnumFormatImpl_Reset ( IEnumFORMATETC *  iface )

static

Definition at line 127 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    TRACE("(%p)\n", This);
 
    This->cur = 0;
    return S_OK;
}

EnumFormatImpl_Skip()

static HRESULT WINAPI EnumFormatImpl_Skip ( IEnumFORMATETC *  iface, ULONG  celt  )

static

Definition at line 116 of file clipboard.c.

{
    EnumFormatImpl *This = impl_from_IEnumFORMATETC(iface);
    ULONG count = 0;
    TRACE("(%p)->(%ld)\n", This, celt);
 
    count = min(celt, This->fmtetc_cnt-This->cur);
    This->cur += count;
    return count == celt ? S_OK : S_FALSE;
}

get_rtf_text()

static HGLOBAL get_rtf_text ( ME_TextEditor *  editor, const ME_Cursor *  start, int  nChars  )

static

Definition at line 388 of file clipboard.c.

{
    EDITSTREAM es;
    ME_GlobalDestStruct gds;
 
    gds.hData = GlobalAlloc(GMEM_MOVEABLE, 0);
    gds.nLength = 0;
    es.dwCookie = (DWORD_PTR)&gds;
    es.pfnCallback = ME_AppendToHGLOBAL;
    ME_StreamOutRange(editor, SF_RTF, start, nChars, &es);
    GlobalReAlloc(gds.hData, gds.nLength+1, GMEM_MOVEABLE);
    return gds.hData;
}

Referenced by ME_GetDataObject().

get_unicode_text()

static HGLOBAL get_unicode_text ( ME_TextEditor *  editor, const ME_Cursor *  start, int  nChars  )

static

Definition at line 340 of file clipboard.c.

{
    int pars = 0;
    WCHAR *data;
    HANDLE ret;
    ME_Paragraph *para;
    int nEnd = ME_GetCursorOfs(start) + nChars;
 
    /* count paragraphs in range */
    para = start->para;
    while ((para = para_next( para )) && para->nCharOfs <= nEnd)
        pars++;
 
    ret = GlobalAlloc(GMEM_MOVEABLE, sizeof(WCHAR) * (nChars + pars + 1));
    data = GlobalLock(ret);
    ME_GetTextW(editor, data, nChars + pars, start, nChars, TRUE, FALSE);
    GlobalUnlock(ret);
    return ret;
}

Referenced by ME_GetDataObject().

impl_from_IDataObject()

static DataObjectImpl * impl_from_IDataObject ( IDataObject *  iface )

inlinestatic

Definition at line 50 of file clipboard.c.

{
    return CONTAINING_RECORD(iface, DataObjectImpl, IDataObject_iface);
}

impl_from_IEnumFORMATETC()

static EnumFormatImpl * impl_from_IEnumFORMATETC ( IEnumFORMATETC *  iface )

inlinestatic

Definition at line 55 of file clipboard.c.

{
    return CONTAINING_RECORD(iface, EnumFormatImpl, IEnumFORMATETC_iface);
}

ME_AppendToHGLOBAL()

static DWORD CALLBACK ME_AppendToHGLOBAL ( DWORD_PTR  dwCookie, LPBYTE  lpBuff, LONG  cb, LONG *  pcb  )

static

Definition at line 366 of file clipboard.c.

{
    ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
    int nMaxSize;
    BYTE *pDest;
 
    nMaxSize = GlobalSize(pData->hData);
    if (pData->nLength+cb+1 >= cb) {
        /* round up to 2^17 */
        int nNewSize = (((nMaxSize+cb+1)|0x1FFFF)+1) & 0xFFFE0000;
        pData->hData = GlobalReAlloc(pData->hData, nNewSize, GMEM_MOVEABLE);
    }
    pDest = GlobalLock(pData->hData);
    memcpy(pDest + pData->nLength, lpBuff, cb);
    pData->nLength += cb;
    pDest[pData->nLength] = '\0';
    GlobalUnlock(pData->hData);
    *pcb = cb;
 
    return 0;
}

Referenced by get_rtf_text().

ME_GetDataObject()

HRESULT ME_GetDataObject	(	ME_TextEditor *	editor,
		const ME_Cursor *	start,
		int	nChars,
		IDataObject **	dataobj
	)

Definition at line 402 of file clipboard.c.

{
    DataObjectImpl *obj;
    TRACE("(%p,%d,%d)\n", editor, ME_GetCursorOfs(start), nChars);
 
    obj = malloc(sizeof(DataObjectImpl));
    if(cfRTF == 0)
        cfRTF = RegisterClipboardFormatA("Rich Text Format");
 
    obj->IDataObject_iface.lpVtbl = &VT_DataObjectImpl;
    obj->ref = 1;
    obj->unicode = get_unicode_text(editor, start, nChars);
    obj->rtf = NULL;
 
    obj->fmtetc_cnt = 1;
    if(editor->mode & TM_RICHTEXT)
        obj->fmtetc_cnt++;
    obj->fmtetc = GlobalAlloc(GMEM_ZEROINIT, obj->fmtetc_cnt*sizeof(FORMATETC));
    InitFormatEtc(obj->fmtetc[0], CF_UNICODETEXT, TYMED_HGLOBAL);
    if(editor->mode & TM_RICHTEXT) {
        obj->rtf = get_rtf_text(editor, start, nChars);
        InitFormatEtc(obj->fmtetc[1], cfRTF, TYMED_HGLOBAL);
    }
 
    *dataobj = &obj->IDataObject_iface;
    return S_OK;
}

Referenced by editor_copy(), and IRichEditOle_fnGetClipboardData().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

richedit

)

Variable Documentation

cfRTF

UINT cfRTF = 0

static

Definition at line 25 of file clipboard.c.

Referenced by DataObjectImpl_GetData(), and ME_GetDataObject().

VT_DataObjectImpl

const IDataObjectVtbl VT_DataObjectImpl

static

Initial value:

=
{
    DataObjectImpl_QueryInterface,
    DataObjectImpl_AddRef,
    DataObjectImpl_Release,
    DataObjectImpl_GetData,
    DataObjectImpl_GetDataHere,
    DataObjectImpl_QueryGetData,
    DataObjectImpl_GetCanonicalFormatEtc,
    DataObjectImpl_SetData,
    DataObjectImpl_EnumFormatEtc,
    DataObjectImpl_DAdvise,
    DataObjectImpl_DUnadvise,
    DataObjectImpl_EnumDAdvise
}

Definition at line 324 of file clipboard.c.

Referenced by DataObjectImpl_CreateComplex(), DataObjectImpl_CreateFromHGlobal(), and ME_GetDataObject().

VT_EnumFormatImpl

const IEnumFORMATETCVtbl VT_EnumFormatImpl

static

Initial value:

= {
    EnumFormatImpl_QueryInterface,
    EnumFormatImpl_AddRef,
    EnumFormatImpl_Release,
    EnumFormatImpl_Next,
    EnumFormatImpl_Skip,
    EnumFormatImpl_Reset,
    EnumFormatImpl_Clone
}

Definition at line 150 of file clipboard.c.

Referenced by EnumFormatImpl_Create().