Sweden-Number/dlls/shell32/dataobject.c

260 lines
8.6 KiB
C

/*
* 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 "winerror.h"
#include "shell32_main.h"
/***********************************************************************
* 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 pcf, LPITEMIDLIST * apit, UINT32 cpit)
{ LPDATAOBJECT dto;
dto=(LPDATAOBJECT)HeapAlloc(GetProcessHeap(),0,sizeof(IDataObject));
dto->ref=1;
dto->lpvtbl=&dtovt;
TRACE(shell,"(%p)->()\n",dto);
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);
HeapFree(GetProcessHeap(),0,this);
return 0;
}
return this->ref;
}
static HRESULT WINAPI IDataObject_GetData (LPDATAOBJECT this, LPFORMATETC32 pformatetcIn, STGMEDIUM32 *pmedium)
{ FIXME (shell, "(%p)->()\n", this);
return E_NOTIMPL;
}
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;
}