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47a800432a
wine/dlls/shell32/dataobject.c
Juergen Schmied 47a800432a Many fixes.
1998-11-22 18:29:50 +00:00

387 lines
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/*
* IEnumFORMATETC, IDataObject
*
* selecting and droping objects within the shell and/or common dialogs
*
* Copyright 1998 <juergen.schmied@metronet.de>
*/
#include "debug.h"
#include "shlobj.h"
#include "pidl.h"
#include "winerror.h"
#include "shell32_main.h"
UINT32 cfShellIDList=0;
UINT32 cfFileGroupDesc=0;
UINT32 cfFileContents=0;
/***********************************************************************
* IEnumFORMATETC implementation
*/
static HRESULT WINAPI IEnumFORMATETC_QueryInterface (LPENUMFORMATETC this, REFIID riid, LPVOID * ppvObj);
static ULONG WINAPI IEnumFORMATETC_AddRef (LPENUMFORMATETC this);
static ULONG WINAPI IEnumFORMATETC_Release (LPENUMFORMATETC this);
static HRESULT WINAPI IEnumFORMATETC_Next(LPENUMFORMATETC this, ULONG celt, FORMATETC32 *rgelt, ULONG *pceltFethed);
static HRESULT WINAPI IEnumFORMATETC_Skip(LPENUMFORMATETC this, ULONG celt);
static HRESULT WINAPI IEnumFORMATETC_Reset(LPENUMFORMATETC this);
static HRESULT WINAPI IEnumFORMATETC_Clone(LPENUMFORMATETC this, LPENUMFORMATETC* ppenum);
static struct IEnumFORMATETC_VTable efvt =
{ IEnumFORMATETC_QueryInterface,
IEnumFORMATETC_AddRef,
IEnumFORMATETC_Release,
IEnumFORMATETC_Next,
IEnumFORMATETC_Skip,
IEnumFORMATETC_Reset,
IEnumFORMATETC_Clone
};
extern LPENUMFORMATETC IEnumFORMATETC_Constructor(UINT32 cfmt, const FORMATETC32 afmt[])
{ LPENUMFORMATETC ef;
DWORD size=cfmt * sizeof(FORMATETC32);
ef=(LPENUMFORMATETC)HeapAlloc(GetProcessHeap(),0,sizeof(IEnumFORMATETC));
ef->ref=1;
ef->lpvtbl=&efvt;
ef->posFmt = 0;
ef->countFmt = cfmt;
ef->pFmt = SHAlloc (size);
if (ef->pFmt)
{ memcpy(ef->pFmt, afmt, size);
}
TRACE(shell,"(%p)->()\n",ef);
return ef;
}
static HRESULT WINAPI IEnumFORMATETC_QueryInterface (LPENUMFORMATETC this, REFIID riid, LPVOID * ppvObj)
{ char xriid[50];
WINE_StringFromCLSID((LPCLSID)riid,xriid);
TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown))
{ *ppvObj = this;
}
else if(IsEqualIID(riid, &IID_IEnumFORMATETC))
{ *ppvObj = (IDataObject*)this;
}
if(*ppvObj)
{ (*(LPENUMFORMATETC*)ppvObj)->lpvtbl->fnAddRef(this);
TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE(shell,"-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
static ULONG WINAPI IEnumFORMATETC_AddRef (LPENUMFORMATETC this)
{ TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
return ++(this->ref);
}
static ULONG WINAPI IEnumFORMATETC_Release (LPENUMFORMATETC this)
{ TRACE(shell,"(%p)->()\n",this);
if (!--(this->ref))
{ TRACE(shell," destroying IEnumFORMATETC(%p)\n",this);
if (this->pFmt)
{ SHFree (this->pFmt);
}
HeapFree(GetProcessHeap(),0,this);
return 0;
}
return this->ref;
}
static HRESULT WINAPI IEnumFORMATETC_Next(LPENUMFORMATETC this, ULONG celt, FORMATETC32 *rgelt, ULONG *pceltFethed)
{ UINT32 cfetch;
HRESULT hres = S_FALSE;
TRACE (shell, "(%p)->()\n", this);
if (this->posFmt < this->countFmt)
{ cfetch = this->countFmt - this->posFmt;
if (cfetch >= celt)
{ cfetch = celt;
hres = S_OK;
}
memcpy(rgelt, &this->pFmt[this->posFmt], cfetch * sizeof(FORMATETC32));
this->posFmt += cfetch;
}
else
{ cfetch = 0;
}
if (pceltFethed)
{ *pceltFethed = cfetch;
}
return hres;
}
static HRESULT WINAPI IEnumFORMATETC_Skip(LPENUMFORMATETC this, ULONG celt)
{ FIXME (shell, "(%p)->(num=%lu)\n", this, celt);
this->posFmt += celt;
if (this->posFmt > this->countFmt)
{ this->posFmt = this->countFmt;
return S_FALSE;
}
return S_OK;
}
static HRESULT WINAPI IEnumFORMATETC_Reset(LPENUMFORMATETC this)
{ FIXME (shell, "(%p)->()\n", this);
this->posFmt = 0;
return S_OK;
}
static HRESULT WINAPI IEnumFORMATETC_Clone(LPENUMFORMATETC this, LPENUMFORMATETC* ppenum)
{ FIXME (shell, "(%p)->(ppenum=%p)\n", this, ppenum);
return E_NOTIMPL;
}
/***********************************************************************
* IDataObject implementation
*/
static HRESULT WINAPI IDataObject_QueryInterface (LPDATAOBJECT, REFIID riid, LPVOID * ppvObj);
static ULONG WINAPI IDataObject_AddRef (LPDATAOBJECT);
static ULONG WINAPI IDataObject_Release (LPDATAOBJECT);
static HRESULT WINAPI IDataObject_GetData (LPDATAOBJECT, LPFORMATETC32 pformatetcIn, STGMEDIUM32 *pmedium);
static HRESULT WINAPI IDataObject_GetDataHere(LPDATAOBJECT, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium);
static HRESULT WINAPI IDataObject_QueryGetData(LPDATAOBJECT, LPFORMATETC32 pformatetc);
static HRESULT WINAPI IDataObject_GetCanonicalFormatEtc(LPDATAOBJECT, LPFORMATETC32 pformatectIn, LPFORMATETC32 pformatetcOut);
static HRESULT WINAPI IDataObject_SetData(LPDATAOBJECT, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium, BOOL32 fRelease);
static HRESULT WINAPI IDataObject_EnumFormatEtc(LPDATAOBJECT, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc);
static HRESULT WINAPI IDataObject_DAdvise (LPDATAOBJECT, LPFORMATETC32 *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection);
static HRESULT WINAPI IDataObject_DUnadvise(LPDATAOBJECT, DWORD dwConnection);
static HRESULT WINAPI IDataObject_EnumDAdvise(LPDATAOBJECT, IEnumSTATDATA **ppenumAdvise);
static struct IDataObject_VTable dtovt =
{ IDataObject_QueryInterface,
IDataObject_AddRef,
IDataObject_Release,
IDataObject_GetData,
IDataObject_GetDataHere,
IDataObject_QueryGetData,
IDataObject_GetCanonicalFormatEtc,
IDataObject_SetData,
IDataObject_EnumFormatEtc,
IDataObject_DAdvise,
IDataObject_DUnadvise,
IDataObject_EnumDAdvise
};
/**************************************************************************
* IDataObject_Constructor
*/
LPDATAOBJECT IDataObject_Constructor(HWND32 hwndOwner, LPSHELLFOLDER psf, LPITEMIDLIST * apidl, UINT32 cidl)
{ LPDATAOBJECT dto;
if (!(dto = (LPDATAOBJECT)HeapAlloc(GetProcessHeap(),0,sizeof(IDataObject))))
return NULL;
dto->ref=1;
dto->lpvtbl=&dtovt;
dto->psf=psf;
dto->pidl=ILClone(psf->mpidl); /* FIXME:add a reference and don't copy*/
/* fill the ItemID List List */
dto->lpill = IDLList_Constructor (8);
if (! dto->lpill )
return NULL;
dto->lpill->lpvtbl->fnAddItems(dto->lpill, apidl, cidl);
TRACE(shell,"(%p)->(sf=%p apidl=%p cidl=%u)\n",dto, psf, apidl, cidl);
return dto;
}
/***************************************************************************
* IDataObject_QueryInterface
*/
static HRESULT WINAPI IDataObject_QueryInterface (LPDATAOBJECT this, REFIID riid, LPVOID * ppvObj)
{ char xriid[50];
WINE_StringFromCLSID((LPCLSID)riid,xriid);
TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
{ *ppvObj = this;
}
else if(IsEqualIID(riid, &IID_IDataObject)) /*IDataObject*/
{ *ppvObj = (IDataObject*)this;
}
if(*ppvObj)
{ (*(LPDATAOBJECT*)ppvObj)->lpvtbl->fnAddRef(this);
TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE(shell,"-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
/**************************************************************************
* IDataObject_AddRef
*/
static ULONG WINAPI IDataObject_AddRef(LPDATAOBJECT this)
{ TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
return ++(this->ref);
}
/**************************************************************************
* IDataObject_Release
*/
static ULONG WINAPI IDataObject_Release(LPDATAOBJECT this)
{ TRACE(shell,"(%p)->()\n",this);
if (!--(this->ref))
{ TRACE(shell," destroying IDataObject(%p)\n",this);
IDLList_Destructor(this->lpill);
HeapFree(GetProcessHeap(),0,this);
return 0;
}
return this->ref;
}
/**************************************************************************
* DATAOBJECT_InitShellIDList (internal)
*
* NOTES
* get or register the "Shell IDList Array" clipformat
*/
static BOOL32 DATAOBJECT_InitShellIDList(void)
{ if (cfShellIDList)
{ return(TRUE);
}
cfShellIDList = RegisterClipboardFormat32A(CFSTR_SHELLIDLIST);
return(cfShellIDList != 0);
}
/**************************************************************************
* DATAOBJECT_InitFileGroupDesc (internal)
*
* NOTES
* get or register the "FileGroupDescriptor" clipformat
*/
static BOOL32 DATAOBJECT_InitFileGroupDesc(void)
{ if (cfFileGroupDesc)
{ return(TRUE);
}
cfFileGroupDesc = RegisterClipboardFormat32A(CFSTR_FILEDESCRIPTORA);
return(cfFileGroupDesc != 0);
}
/**************************************************************************
* DATAOBJECT_InitFileContents (internal)
*
* NOTES
* get or register the "FileContents" clipformat
*/
static BOOL32 DATAOBJECT_InitFileContents(void)
{ if (cfFileContents)
{ return(TRUE);
}
cfFileContents = RegisterClipboardFormat32A(CFSTR_FILECONTENTS);
return(cfFileContents != 0);
}
/**************************************************************************
* interface implementation
*/
static HRESULT WINAPI IDataObject_GetData (LPDATAOBJECT this, LPFORMATETC32 pformatetcIn, STGMEDIUM32 *pmedium)
{ char temp[256];
UINT32 cItems;
DWORD size, size1, size2;
LPITEMIDLIST pidl;
LPCIDA pcida;
HGLOBAL32 hmem;
GetClipboardFormatName32A (pformatetcIn->cfFormat, temp, 256);
WARN (shell, "(%p)->(%p %p format=%s)semi-stub\n", this, pformatetcIn, pmedium, temp);
if (!DATAOBJECT_InitShellIDList()) /* is the clipformat registred? */
{ return(E_UNEXPECTED);
}
if (pformatetcIn->cfFormat == cfShellIDList)
{ if (pformatetcIn->ptd==NULL
&& (pformatetcIn->dwAspect & DVASPECT_CONTENT)
&& pformatetcIn->lindex==-1
&& (pformatetcIn->tymed&TYMED_HGLOBAL))
{ cItems = this->lpill->lpvtbl->fnGetCount(this->lpill);
if (cItems < 1)
{ return(E_UNEXPECTED);
}
pidl = this->lpill->lpvtbl->fnGetElement(this->lpill, 0);
pdump(this->pidl);
pdump(pidl);
/*hack consider only the first item*/
cItems = 2;
size = sizeof(CIDA) + sizeof (UINT32)*(cItems-1);
size1 = ILGetSize (this->pidl);
size2 = ILGetSize (pidl);
hmem = GlobalAlloc32(GMEM_FIXED, size+size1+size2);
pcida = GlobalLock32 (hmem);
if (!pcida)
{ return(E_OUTOFMEMORY);
}
pcida->cidl = 1;
pcida->aoffset[0] = size;
pcida->aoffset[1] = size+size1;
TRACE(shell,"-- %lu %lu %lu\n",size, size1, size2 );
TRACE(shell,"-- %p %p\n",this->pidl, pidl);
TRACE(shell,"-- %p %p %p\n",pcida, (LPBYTE)pcida+size,(LPBYTE)pcida+size+size1);
memcpy ((LPBYTE)pcida+size, this->pidl, size1);
memcpy ((LPBYTE)pcida+size+size1, pidl, size2);
TRACE(shell,"-- after copy\n");
GlobalUnlock32(hmem);
pmedium->tymed = TYMED_HGLOBAL;
pmedium->u.hGlobal = (HGLOBAL32)pcida;
pmedium->pUnkForRelease = NULL;
TRACE(shell,"-- ready\n");
return(NOERROR);
}
}
FIXME (shell, "-- clipformat not implemented\n");
return (E_INVALIDARG);
}
static HRESULT WINAPI IDataObject_GetDataHere(LPDATAOBJECT this, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_QueryGetData(LPDATAOBJECT this, LPFORMATETC32 pformatetc)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_GetCanonicalFormatEtc(LPDATAOBJECT this, LPFORMATETC32 pformatectIn, LPFORMATETC32 pformatetcOut)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_SetData(LPDATAOBJECT this, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium, BOOL32 fRelease)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_EnumFormatEtc(LPDATAOBJECT this, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_DAdvise (LPDATAOBJECT this, LPFORMATETC32 *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_DUnadvise(LPDATAOBJECT this, DWORD dwConnection)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_EnumDAdvise(LPDATAOBJECT this, IEnumSTATDATA **ppenumAdvise)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
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