635 lines
16 KiB
C
635 lines
16 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, 1999 <juergen.schmied@metronet.de>
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*/
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#include <string.h>
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#include "oleidl.h"
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#include "pidl.h"
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#include "winerror.h"
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#include "shell32_main.h"
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#include "debugtools.h"
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#include "wine/undocshell.h"
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#include "wine/obj_dataobject.h"
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DEFAULT_DEBUG_CHANNEL(shell)
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/***********************************************************************
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* IEnumFORMATETC implementation
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*/
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typedef struct
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{
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/* IUnknown fields */
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ICOM_VFIELD(IEnumFORMATETC);
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DWORD ref;
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/* IEnumFORMATETC fields */
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UINT posFmt;
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UINT countFmt;
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LPFORMATETC pFmt;
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} IEnumFORMATETCImpl;
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static HRESULT WINAPI IEnumFORMATETC_fnQueryInterface(LPENUMFORMATETC iface, REFIID riid, LPVOID* ppvObj);
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static ULONG WINAPI IEnumFORMATETC_fnAddRef(LPENUMFORMATETC iface);
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static ULONG WINAPI IEnumFORMATETC_fnRelease(LPENUMFORMATETC iface);
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static HRESULT WINAPI IEnumFORMATETC_fnNext(LPENUMFORMATETC iface, ULONG celt, FORMATETC* rgelt, ULONG* pceltFethed);
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static HRESULT WINAPI IEnumFORMATETC_fnSkip(LPENUMFORMATETC iface, ULONG celt);
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static HRESULT WINAPI IEnumFORMATETC_fnReset(LPENUMFORMATETC iface);
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static HRESULT WINAPI IEnumFORMATETC_fnClone(LPENUMFORMATETC iface, LPENUMFORMATETC* ppenum);
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static struct ICOM_VTABLE(IEnumFORMATETC) efvt =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IEnumFORMATETC_fnQueryInterface,
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IEnumFORMATETC_fnAddRef,
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IEnumFORMATETC_fnRelease,
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IEnumFORMATETC_fnNext,
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IEnumFORMATETC_fnSkip,
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IEnumFORMATETC_fnReset,
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IEnumFORMATETC_fnClone
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};
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LPENUMFORMATETC IEnumFORMATETC_Constructor(UINT cfmt, const FORMATETC afmt[])
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{
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IEnumFORMATETCImpl* ef;
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DWORD size=cfmt * sizeof(FORMATETC);
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ef=(IEnumFORMATETCImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumFORMATETCImpl));
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if(ef)
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{
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ef->ref=1;
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ICOM_VTBL(ef)=&efvt;
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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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{
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memcpy(ef->pFmt, afmt, size);
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}
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shell32_ObjCount++;
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}
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TRACE("(%p)->()\n",ef);
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return (LPENUMFORMATETC)ef;
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}
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static HRESULT WINAPI IEnumFORMATETC_fnQueryInterface(LPENUMFORMATETC iface, REFIID riid, LPVOID* ppvObj)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),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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{ IEnumFORMATETC_AddRef((IEnumFORMATETC*)*ppvObj);
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TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE("-- Interface: E_NOINTERFACE\n");
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IEnumFORMATETC_fnAddRef(LPENUMFORMATETC iface)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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TRACE("(%p)->(count=%lu)\n",This, This->ref);
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shell32_ObjCount++;
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return ++(This->ref);
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}
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static ULONG WINAPI IEnumFORMATETC_fnRelease(LPENUMFORMATETC iface)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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TRACE("(%p)->()\n",This);
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shell32_ObjCount--;
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if (!--(This->ref))
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{ TRACE(" 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_fnNext(LPENUMFORMATETC iface, ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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UINT cfetch;
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HRESULT hres = S_FALSE;
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TRACE("(%p)->()\n", This);
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if (This->posFmt < This->countFmt)
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{
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cfetch = This->countFmt - This->posFmt;
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if (cfetch >= celt)
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{
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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(FORMATETC));
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This->posFmt += cfetch;
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}
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else
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{
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cfetch = 0;
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}
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if (pceltFethed)
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{
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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_fnSkip(LPENUMFORMATETC iface, ULONG celt)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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FIXME("(%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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{
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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_fnReset(LPENUMFORMATETC iface)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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FIXME("(%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_fnClone(LPENUMFORMATETC iface, LPENUMFORMATETC* ppenum)
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{
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ICOM_THIS(IEnumFORMATETCImpl,iface);
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FIXME("(%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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* IDLList "Item ID List List"
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*
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* NOTES
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* interal data holder for IDataObject
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*/
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#define STDMETHOD(xfn) HRESULT (CALLBACK *fn##xfn)
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#define STDMETHOD_(type,xfn) type (CALLBACK *fn##xfn)
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#define THIS_ THIS,
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typedef struct tagLPIDLLIST *LPIDLLIST, IDLList;
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#define THIS LPIDLLIST me
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typedef enum
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{ State_UnInit=1,
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State_Init=2,
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State_OutOfMem=3
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} IDLListState;
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typedef struct IDLList_VTable
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{ STDMETHOD_(UINT, GetState)(THIS);
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STDMETHOD_(LPITEMIDLIST, GetElement)(THIS_ UINT nIndex);
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STDMETHOD_(UINT, GetCount)(THIS);
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STDMETHOD_(BOOL, StoreItem)(THIS_ LPITEMIDLIST pidl);
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STDMETHOD_(BOOL, AddItems)(THIS_ LPITEMIDLIST *apidl, UINT cidl);
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STDMETHOD_(BOOL, InitList)(THIS);
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STDMETHOD_(void, CleanList)(THIS);
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} IDLList_VTable,*LPIDLLIST_VTABLE;
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struct tagLPIDLLIST
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{ LPIDLLIST_VTABLE lpvtbl;
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HDPA dpa;
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UINT uStep;
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};
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extern LPIDLLIST IDLList_Constructor (UINT uStep);
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extern void IDLList_Destructor(LPIDLLIST me);
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#undef THIS
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/**************************************************************************
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* IDLList "Item ID List List"
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*
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*/
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static UINT WINAPI IDLList_GetState(LPIDLLIST this);
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static LPITEMIDLIST WINAPI IDLList_GetElement(LPIDLLIST this, UINT nIndex);
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static UINT WINAPI IDLList_GetCount(LPIDLLIST this);
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static BOOL WINAPI IDLList_StoreItem(LPIDLLIST this, LPITEMIDLIST pidl);
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static BOOL WINAPI IDLList_AddItems(LPIDLLIST this, LPITEMIDLIST *apidl, UINT cidl);
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static BOOL WINAPI IDLList_InitList(LPIDLLIST this);
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static void WINAPI IDLList_CleanList(LPIDLLIST this);
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static IDLList_VTable idllvt =
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{ IDLList_GetState,
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IDLList_GetElement,
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IDLList_GetCount,
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IDLList_StoreItem,
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IDLList_AddItems,
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IDLList_InitList,
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IDLList_CleanList
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};
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LPIDLLIST IDLList_Constructor (UINT uStep)
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{
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LPIDLLIST lpidll;
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lpidll = (LPIDLLIST)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDLList));
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if (lpidll)
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{
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lpidll->lpvtbl=&idllvt;
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lpidll->uStep=uStep;
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}
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TRACE("(%p)\n",lpidll);
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return lpidll;
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}
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void IDLList_Destructor(LPIDLLIST this)
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{ TRACE("(%p)\n",this);
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IDLList_CleanList(this);
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}
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static UINT WINAPI IDLList_GetState(LPIDLLIST this)
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{ TRACE("(%p)->(uStep=%u dpa=%p)\n",this, this->uStep, this->dpa);
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if (this->uStep == 0)
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{
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if (this->dpa)
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return(State_Init);
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return(State_OutOfMem);
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}
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return(State_UnInit);
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}
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static LPITEMIDLIST WINAPI IDLList_GetElement(LPIDLLIST this, UINT nIndex)
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{ TRACE("(%p)->(index=%u)\n",this, nIndex);
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return((LPITEMIDLIST)pDPA_GetPtr(this->dpa, nIndex));
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}
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static UINT WINAPI IDLList_GetCount(LPIDLLIST this)
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{ TRACE("(%p)\n",this);
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return(IDLList_GetState(this)==State_Init ? DPA_GetPtrCount(this->dpa) : 0);
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}
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static BOOL WINAPI IDLList_StoreItem(LPIDLLIST this, LPITEMIDLIST pidl)
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{ TRACE("(%p)->(pidl=%p)\n",this, pidl);
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if (pidl)
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{ if (IDLList_InitList(this) && pDPA_InsertPtr(this->dpa, 0x7fff, (LPSTR)pidl)>=0)
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return(TRUE);
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ILFree(pidl);
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}
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IDLList_CleanList(this);
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return(FALSE);
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}
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static BOOL WINAPI IDLList_AddItems(LPIDLLIST this, LPITEMIDLIST *apidl, UINT cidl)
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{ INT i;
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TRACE("(%p)->(apidl=%p cidl=%u)\n",this, apidl, cidl);
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for (i=0; i<cidl; ++i)
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{ if (!IDLList_StoreItem(this, ILClone((LPCITEMIDLIST)apidl[i])))
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return(FALSE);
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}
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return(TRUE);
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}
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static BOOL WINAPI IDLList_InitList(LPIDLLIST this)
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{ TRACE("(%p)\n",this);
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switch (IDLList_GetState(this))
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{ case State_Init:
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return(TRUE);
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case State_OutOfMem:
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return(FALSE);
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case State_UnInit:
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default:
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this->dpa = pDPA_Create(this->uStep);
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this->uStep = 0;
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return(IDLList_InitList(this));
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}
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}
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static void WINAPI IDLList_CleanList(LPIDLLIST this)
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{ INT i;
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TRACE("(%p)\n",this);
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if (this->uStep != 0)
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{ this->dpa = NULL;
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this->uStep = 0;
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return;
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}
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if (!this->dpa)
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{ return;
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}
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for (i=DPA_GetPtrCount(this->dpa)-1; i>=0; --i)
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{ ILFree(IDLList_GetElement(this,i));
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}
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pDPA_Destroy(this->dpa);
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this->dpa=NULL;
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}
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/***********************************************************************
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* IDataObject implementation
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*/
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/* number of supported formats */
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#define MAX_FORMATS 1
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typedef struct
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{
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/* IUnknown fields */
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ICOM_VFIELD(IDataObject);
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DWORD ref;
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/* IDataObject fields */
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LPIDLLIST lpill; /* the data of the dataobject */
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LPITEMIDLIST pidl;
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FORMATETC pFormatEtc[MAX_FORMATS];
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UINT cfShellIDList;
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UINT cfFileGroupDesc;
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UINT cfFileContents;
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} IDataObjectImpl;
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static struct ICOM_VTABLE(IDataObject) dtovt;
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/**************************************************************************
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* IDataObject_Constructor
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*/
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LPDATAOBJECT IDataObject_Constructor(HWND hwndOwner, LPITEMIDLIST pMyPidl, LPITEMIDLIST * apidl, UINT cidl)
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{
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IDataObjectImpl* dto;
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dto = (IDataObjectImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDataObjectImpl));
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if (dto)
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{
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dto->ref=1;
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ICOM_VTBL(dto)=&dtovt;
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dto->pidl=ILClone(pMyPidl);
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/* fill the ItemID List List */
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dto->lpill = IDLList_Constructor (8);
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if (! dto->lpill )
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return NULL;
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dto->lpill->lpvtbl->fnAddItems(dto->lpill, apidl, cidl);
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/* */
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dto->cfShellIDList = RegisterClipboardFormatA(CFSTR_SHELLIDLIST);
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/* dto->cfFileGroupDesc = RegisterClipboardFormatA(CFSTR_FILEDESCRIPTORA);
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dto->cfFileContents = RegisterClipboardFormatA(CFSTR_FILECONTENTS);
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*/
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InitFormatEtc(dto->pFormatEtc[0], dto->cfShellIDList, TYMED_HGLOBAL);
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shell32_ObjCount++;
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}
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TRACE("(%p)->(apidl=%p cidl=%u)\n",dto, apidl, cidl);
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return (LPDATAOBJECT)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_fnQueryInterface(LPDATAOBJECT iface, REFIID riid, LPVOID * ppvObj)
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{
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ICOM_THIS(IDataObjectImpl,iface);
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TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),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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{ IDataObject_AddRef((IDataObject*)*ppvObj);
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TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE("-- 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_fnAddRef(LPDATAOBJECT iface)
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{
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ICOM_THIS(IDataObjectImpl,iface);
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TRACE("(%p)->(count=%lu)\n",This, This->ref);
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shell32_ObjCount++;
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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_fnRelease(LPDATAOBJECT iface)
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{
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ICOM_THIS(IDataObjectImpl,iface);
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TRACE("(%p)->()\n",This);
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shell32_ObjCount--;
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if (!--(This->ref))
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{ TRACE(" destroying IDataObject(%p)\n",This);
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IDLList_Destructor(This->lpill);
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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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/**************************************************************************
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* IDataObject_fnGetData
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*/
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static HRESULT WINAPI IDataObject_fnGetData(LPDATAOBJECT iface, LPFORMATETC pformatetcIn, STGMEDIUM *pmedium)
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{
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ICOM_THIS(IDataObjectImpl,iface);
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char szTemp[256];
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UINT cItems;
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DWORD sizeCIDA, sizePidl, nOffset, nSize;
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LPCIDA pcida;
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HGLOBAL hmem;
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int i;
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LPITEMIDLIST pidl;
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GetClipboardFormatNameA (pformatetcIn->cfFormat, szTemp, 256);
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TRACE("(%p)->(%p %p format=%s)\n", This, pformatetcIn, pmedium, szTemp);
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/* test expected format */
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if (!(pformatetcIn->cfFormat == This->cfShellIDList))
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{
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FIXME("-- clipformat not implemented\n");
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return (E_INVALIDARG);
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}
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if (pformatetcIn->ptd==NULL
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&& (pformatetcIn->dwAspect & DVASPECT_CONTENT)
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&& pformatetcIn->lindex==-1
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&& (pformatetcIn->tymed&TYMED_HGLOBAL))
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{
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cItems = This->lpill->lpvtbl->fnGetCount(This->lpill);
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if (cItems < 1) return(E_UNEXPECTED);
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sizeCIDA = sizeof(CIDA) + sizeof (UINT)*(cItems); /* without any pidl */
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sizePidl = ILGetSize (This->pidl); /* add root pidl */
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nSize = sizeCIDA + sizePidl;
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hmem = GlobalAlloc(GHND|GMEM_SHARE, nSize);
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if (!hmem) return(E_OUTOFMEMORY);
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pcida = GlobalLock (hmem);
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nOffset = sizeCIDA; /* start after the CIDA */
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pcida->cidl = cItems;
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|
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pcida->aoffset[0] = nOffset; /* first element */
|
|
memcpy(((LPBYTE)pcida)+nOffset, This->pidl, sizePidl);
|
|
nOffset += sizePidl;
|
|
pdump(This->pidl);
|
|
|
|
for (i=0; i< cItems; i++)
|
|
{
|
|
pidl = This->lpill->lpvtbl->fnGetElement(This->lpill, i);
|
|
sizePidl = ILGetSize (pidl);
|
|
nSize += sizePidl; /* size of the structure */
|
|
pdump(pidl);
|
|
|
|
GlobalUnlock(hmem); /* grow memory */
|
|
hmem = GlobalReAlloc(hmem, nSize, GHND|GMEM_SHARE);
|
|
if (!hmem) return(E_OUTOFMEMORY);
|
|
pcida = GlobalLock (hmem);
|
|
|
|
pcida->aoffset[i+1] = nOffset; /* copy element */
|
|
memcpy(((LPBYTE)pcida)+nOffset, pidl, sizePidl);
|
|
nOffset += sizePidl;
|
|
}
|
|
|
|
GlobalUnlock(hmem);
|
|
|
|
pmedium->tymed = TYMED_HGLOBAL;
|
|
pmedium->u.hGlobal = hmem;
|
|
pmedium->pUnkForRelease = NULL;
|
|
|
|
TRACE("(%p)->(cida at %p)\n", This, pcida);
|
|
return hmem;
|
|
}
|
|
|
|
FIXME("-- can't serve format\n");
|
|
return (E_INVALIDARG);
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnGetDataHere(LPDATAOBJECT iface, LPFORMATETC pformatetc, STGMEDIUM *pmedium)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnQueryGetData(LPDATAOBJECT iface, LPFORMATETC pformatetc)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
UINT i;
|
|
|
|
TRACE("(%p)->(fmt=0x%08x tym=0x%08lx)\n", This, pformatetc->cfFormat, pformatetc->tymed);
|
|
|
|
if(!(DVASPECT_CONTENT & pformatetc->dwAspect))
|
|
return DV_E_DVASPECT;
|
|
|
|
/* check our formats table what we have */
|
|
for (i=0; i<MAX_FORMATS; i++)
|
|
{
|
|
if ((This->pFormatEtc[i].cfFormat == pformatetc->cfFormat)
|
|
&& (This->pFormatEtc[i].tymed == pformatetc->tymed))
|
|
{
|
|
return S_OK;
|
|
}
|
|
}
|
|
|
|
return DV_E_TYMED;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnGetCanonicalFormatEtc(LPDATAOBJECT iface, LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnSetData(LPDATAOBJECT iface, LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnEnumFormatEtc(LPDATAOBJECT iface, DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
|
|
TRACE("(%p)->()\n", This);
|
|
*ppenumFormatEtc=NULL;
|
|
|
|
/* only get data */
|
|
if (DATADIR_GET == dwDirection)
|
|
{
|
|
*ppenumFormatEtc = IEnumFORMATETC_Constructor(MAX_FORMATS, This->pFormatEtc);
|
|
return (*ppenumFormatEtc) ? S_OK : E_FAIL;
|
|
}
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnDAdvise(LPDATAOBJECT iface, FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnDUnadvise(LPDATAOBJECT iface, DWORD dwConnection)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
static HRESULT WINAPI IDataObject_fnEnumDAdvise(LPDATAOBJECT iface, IEnumSTATDATA **ppenumAdvise)
|
|
{
|
|
ICOM_THIS(IDataObjectImpl,iface);
|
|
FIXME("(%p)->()\n", This);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static struct ICOM_VTABLE(IDataObject) dtovt =
|
|
{
|
|
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
|
|
IDataObject_fnQueryInterface,
|
|
IDataObject_fnAddRef,
|
|
IDataObject_fnRelease,
|
|
IDataObject_fnGetData,
|
|
IDataObject_fnGetDataHere,
|
|
IDataObject_fnQueryGetData,
|
|
IDataObject_fnGetCanonicalFormatEtc,
|
|
IDataObject_fnSetData,
|
|
IDataObject_fnEnumFormatEtc,
|
|
IDataObject_fnDAdvise,
|
|
IDataObject_fnDUnadvise,
|
|
IDataObject_fnEnumDAdvise
|
|
};
|
|
|