260 lines
8.6 KiB
C
260 lines
8.6 KiB
C
/*
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* IEnumFORMATETC, IDataObject
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*
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* selecting and droping objects within the shell and/or common dialogs
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*
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* Copyright 1998 <juergen.schmied@metronet.de>
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*/
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#include "debug.h"
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#include "shlobj.h"
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#include "winerror.h"
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#include "shell32_main.h"
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/***********************************************************************
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* IEnumFORMATETC implementation
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*/
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static HRESULT WINAPI IEnumFORMATETC_QueryInterface (LPENUMFORMATETC this, REFIID riid, LPVOID * ppvObj);
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static ULONG WINAPI IEnumFORMATETC_AddRef (LPENUMFORMATETC this);
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static ULONG WINAPI IEnumFORMATETC_Release (LPENUMFORMATETC this);
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static HRESULT WINAPI IEnumFORMATETC_Next(LPENUMFORMATETC this, ULONG celt, FORMATETC32 *rgelt, ULONG *pceltFethed);
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static HRESULT WINAPI IEnumFORMATETC_Skip(LPENUMFORMATETC this, ULONG celt);
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static HRESULT WINAPI IEnumFORMATETC_Reset(LPENUMFORMATETC this);
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static HRESULT WINAPI IEnumFORMATETC_Clone(LPENUMFORMATETC this, LPENUMFORMATETC* ppenum);
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static struct IEnumFORMATETC_VTable efvt =
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{ IEnumFORMATETC_QueryInterface,
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IEnumFORMATETC_AddRef,
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IEnumFORMATETC_Release,
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IEnumFORMATETC_Next,
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IEnumFORMATETC_Skip,
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IEnumFORMATETC_Reset,
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IEnumFORMATETC_Clone
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};
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extern LPENUMFORMATETC IEnumFORMATETC_Constructor(UINT32 cfmt, const FORMATETC32 afmt[])
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{ LPENUMFORMATETC ef;
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DWORD size=cfmt * sizeof(FORMATETC32);
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ef=(LPENUMFORMATETC)HeapAlloc(GetProcessHeap(),0,sizeof(IEnumFORMATETC));
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ef->ref=1;
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ef->lpvtbl=&efvt;
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ef->posFmt = 0;
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ef->countFmt = cfmt;
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ef->pFmt = SHAlloc (size);
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if (ef->pFmt)
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{ memcpy(ef->pFmt, afmt, size);
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}
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TRACE(shell,"(%p)->()\n",ef);
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return ef;
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}
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static HRESULT WINAPI IEnumFORMATETC_QueryInterface (LPENUMFORMATETC this, REFIID riid, LPVOID * ppvObj)
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{ char xriid[50];
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WINE_StringFromCLSID((LPCLSID)riid,xriid);
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TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
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*ppvObj = NULL;
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if(IsEqualIID(riid, &IID_IUnknown))
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{ *ppvObj = this;
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}
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else if(IsEqualIID(riid, &IID_IEnumFORMATETC))
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{ *ppvObj = (IDataObject*)this;
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}
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if(*ppvObj)
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{ (*(LPENUMFORMATETC*)ppvObj)->lpvtbl->fnAddRef(this);
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TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE(shell,"-- Interface: E_NOINTERFACE\n");
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IEnumFORMATETC_AddRef (LPENUMFORMATETC this)
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{ TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
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return ++(this->ref);
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}
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static ULONG WINAPI IEnumFORMATETC_Release (LPENUMFORMATETC this)
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{ TRACE(shell,"(%p)->()\n",this);
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if (!--(this->ref))
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{ TRACE(shell," destroying IEnumFORMATETC(%p)\n",this);
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if (this->pFmt)
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{ SHFree (this->pFmt);
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}
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HeapFree(GetProcessHeap(),0,this);
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return 0;
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}
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return this->ref;
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}
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static HRESULT WINAPI IEnumFORMATETC_Next(LPENUMFORMATETC this, ULONG celt, FORMATETC32 *rgelt, ULONG *pceltFethed)
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{ UINT32 cfetch;
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HRESULT hres = S_FALSE;
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TRACE (shell, "(%p)->()\n", this);
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if (this->posFmt < this->countFmt)
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{ cfetch = this->countFmt - this->posFmt;
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if (cfetch >= celt)
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{ cfetch = celt;
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hres = S_OK;
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}
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memcpy(rgelt, &this->pFmt[this->posFmt], cfetch * sizeof(FORMATETC32));
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this->posFmt += cfetch;
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}
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else
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{ cfetch = 0;
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}
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if (pceltFethed)
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{ *pceltFethed = cfetch;
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}
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return hres;
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}
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static HRESULT WINAPI IEnumFORMATETC_Skip(LPENUMFORMATETC this, ULONG celt)
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{ FIXME (shell, "(%p)->(num=%lu)\n", this, celt);
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this->posFmt += celt;
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if (this->posFmt > this->countFmt)
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{ this->posFmt = this->countFmt;
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return S_FALSE;
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}
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return S_OK;
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}
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static HRESULT WINAPI IEnumFORMATETC_Reset(LPENUMFORMATETC this)
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{ FIXME (shell, "(%p)->()\n", this);
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this->posFmt = 0;
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return S_OK;
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}
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static HRESULT WINAPI IEnumFORMATETC_Clone(LPENUMFORMATETC this, LPENUMFORMATETC* ppenum)
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{ FIXME (shell, "(%p)->(ppenum=%p)\n", this, ppenum);
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return E_NOTIMPL;
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}
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/***********************************************************************
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* IDataObject implementation
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*/
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static HRESULT WINAPI IDataObject_QueryInterface (LPDATAOBJECT, REFIID riid, LPVOID * ppvObj);
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static ULONG WINAPI IDataObject_AddRef (LPDATAOBJECT);
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static ULONG WINAPI IDataObject_Release (LPDATAOBJECT);
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static HRESULT WINAPI IDataObject_GetData (LPDATAOBJECT, LPFORMATETC32 pformatetcIn, STGMEDIUM32 *pmedium);
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static HRESULT WINAPI IDataObject_GetDataHere(LPDATAOBJECT, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium);
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static HRESULT WINAPI IDataObject_QueryGetData(LPDATAOBJECT, LPFORMATETC32 pformatetc);
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static HRESULT WINAPI IDataObject_GetCanonicalFormatEtc(LPDATAOBJECT, LPFORMATETC32 pformatectIn, LPFORMATETC32 pformatetcOut);
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static HRESULT WINAPI IDataObject_SetData(LPDATAOBJECT, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium, BOOL32 fRelease);
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static HRESULT WINAPI IDataObject_EnumFormatEtc(LPDATAOBJECT, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc);
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static HRESULT WINAPI IDataObject_DAdvise (LPDATAOBJECT, LPFORMATETC32 *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection);
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static HRESULT WINAPI IDataObject_DUnadvise(LPDATAOBJECT, DWORD dwConnection);
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static HRESULT WINAPI IDataObject_EnumDAdvise(LPDATAOBJECT, IEnumSTATDATA **ppenumAdvise);
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static struct IDataObject_VTable dtovt =
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{ IDataObject_QueryInterface,
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IDataObject_AddRef,
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IDataObject_Release,
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IDataObject_GetData,
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IDataObject_GetDataHere,
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IDataObject_QueryGetData,
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IDataObject_GetCanonicalFormatEtc,
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IDataObject_SetData,
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IDataObject_EnumFormatEtc,
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IDataObject_DAdvise,
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IDataObject_DUnadvise,
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IDataObject_EnumDAdvise
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};
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/**************************************************************************
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* IDataObject_Constructor
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*/
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LPDATAOBJECT IDataObject_Constructor(HWND32 hwndOwner, LPSHELLFOLDER pcf, LPITEMIDLIST * apit, UINT32 cpit)
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{ LPDATAOBJECT dto;
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dto=(LPDATAOBJECT)HeapAlloc(GetProcessHeap(),0,sizeof(IDataObject));
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dto->ref=1;
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dto->lpvtbl=&dtovt;
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TRACE(shell,"(%p)->()\n",dto);
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return dto;
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}
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/***************************************************************************
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* IDataObject_QueryInterface
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*/
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static HRESULT WINAPI IDataObject_QueryInterface (LPDATAOBJECT this, REFIID riid, LPVOID * ppvObj)
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{ char xriid[50];
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WINE_StringFromCLSID((LPCLSID)riid,xriid);
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TRACE(shell,"(%p)->(\n\tIID:\t%s,%p)\n",this,xriid,ppvObj);
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*ppvObj = NULL;
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if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
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{ *ppvObj = this;
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}
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else if(IsEqualIID(riid, &IID_IDataObject)) /*IDataObject*/
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{ *ppvObj = (IDataObject*)this;
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}
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if(*ppvObj)
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{ (*(LPDATAOBJECT*)ppvObj)->lpvtbl->fnAddRef(this);
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TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE(shell,"-- Interface: E_NOINTERFACE\n");
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return E_NOINTERFACE;
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}
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/**************************************************************************
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* IDataObject_AddRef
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*/
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static ULONG WINAPI IDataObject_AddRef(LPDATAOBJECT this)
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{ TRACE(shell,"(%p)->(count=%lu)\n",this,(this->ref)+1);
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return ++(this->ref);
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}
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/**************************************************************************
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* IDataObject_Release
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*/
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static ULONG WINAPI IDataObject_Release(LPDATAOBJECT this)
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{ TRACE(shell,"(%p)->()\n",this);
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if (!--(this->ref))
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{ TRACE(shell," destroying IDataObject(%p)\n",this);
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HeapFree(GetProcessHeap(),0,this);
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return 0;
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}
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return this->ref;
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}
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static HRESULT WINAPI IDataObject_GetData (LPDATAOBJECT this, LPFORMATETC32 pformatetcIn, STGMEDIUM32 *pmedium)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_GetDataHere(LPDATAOBJECT this, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_QueryGetData(LPDATAOBJECT this, LPFORMATETC32 pformatetc)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_GetCanonicalFormatEtc(LPDATAOBJECT this, LPFORMATETC32 pformatectIn, LPFORMATETC32 pformatetcOut)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_SetData(LPDATAOBJECT this, LPFORMATETC32 pformatetc, STGMEDIUM32 *pmedium, BOOL32 fRelease)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_EnumFormatEtc(LPDATAOBJECT this, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_DAdvise (LPDATAOBJECT this, LPFORMATETC32 *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_DUnadvise(LPDATAOBJECT this, DWORD dwConnection)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IDataObject_EnumDAdvise(LPDATAOBJECT this, IEnumSTATDATA **ppenumAdvise)
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{ FIXME (shell, "(%p)->()\n", this);
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return E_NOTIMPL;
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}
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