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Better DropTarget.

This commit is contained in:
Juergen Schmied 1999-08-15 14:29:08 +00:00 committed by Alexandre Julliard
parent e2051cd084
commit 3539693b3c
1 changed files with 372 additions and 251 deletions
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553
dlls/shell32/shlfolder.c
View File

@ -2,7 +2,7 @@
* Shell Folder stuff
*
* Copyright 1997 Marcus Meissner
* Copyright 1998 Juergen Schmied
* Copyright 1998, 1999 Juergen Schmied
*
* IShellFolder with IDropTarget, IPersistFolder
*
@ -26,159 +26,7 @@
DEFAULT_DEBUG_CHANNEL(shell)
/***************************************************************************
* IDropTarget interface definition for the ShellFolder
*/
typedef struct
{ ICOM_VTABLE(IDropTarget)* lpvtbl;
ULONG ref;
} ISFDropTarget;
static struct ICOM_VTABLE(IDropTarget) dtvt;
/****************************************************************************
* ISFDropTarget implementation
*/
static IDropTarget * WINAPI ISFDropTarget_Constructor(void)
{
ISFDropTarget* sf;
sf = HeapAlloc(GetProcessHeap(), 0, sizeof(ISFDropTarget));
if (sf)
{ sf->lpvtbl = &dtvt;
sf->ref = 1;
}
return (IDropTarget *)sf;
}
static HRESULT WINAPI ISFDropTarget_QueryInterface(
IDropTarget *iface,
REFIID riid,
LPVOID *ppvObj)
{
ICOM_THIS(ISFDropTarget,iface);
char xriid[50];
WINE_StringFromCLSID((LPCLSID)riid,xriid);
TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,xriid,ppvObj);
if ( !This || !ppvObj)
return E_INVALIDARG;
*ppvObj = NULL;
if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
{ *ppvObj = This;
}
else if(IsEqualIID(riid, &IID_IDropTarget)) /*IShellFolder*/
{ *ppvObj = (ISFDropTarget*)This;
}
if(*ppvObj)
{ IDropTarget_AddRef((IDropTarget*)*ppvObj);
TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE("-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
static ULONG WINAPI ISFDropTarget_AddRef( IDropTarget *iface)
{
ICOM_THIS(ISFDropTarget,iface);
TRACE("(%p)->(count=%lu)\n",This,This->ref);
shell32_ObjCount++;
return ++(This->ref);
}
static ULONG WINAPI ISFDropTarget_Release( IDropTarget *iface)
{
ICOM_THIS(ISFDropTarget,iface);
shell32_ObjCount--;
if (!--(This->ref))
{ TRACE("-- destroying ISFDropTarget (%p)\n",This);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
return This->ref;
}
static HRESULT WINAPI ISFDropTarget_DragEnter(
IDropTarget *iface,
IDataObject *pDataObject,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
ICOM_THIS(ISFDropTarget,iface);
FIXME("Stub: This=%p, DataObject=%p\n",This,pDataObject);
return E_NOTIMPL;
}
static HRESULT WINAPI ISFDropTarget_DragOver(
IDropTarget *iface,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
ICOM_THIS(ISFDropTarget,iface);
FIXME("Stub: This=%p\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI ISFDropTarget_DragLeave(
IDropTarget *iface)
{
ICOM_THIS(ISFDropTarget,iface);
FIXME("Stub: This=%p\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI ISFDropTarget_Drop(
IDropTarget *iface,
IDataObject* pDataObject,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
ICOM_THIS(ISFDropTarget,iface);
FIXME("Stub: This=%p\n",This);
return E_NOTIMPL;
}
static struct ICOM_VTABLE(IDropTarget) dtvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
ISFDropTarget_QueryInterface,
ISFDropTarget_AddRef,
ISFDropTarget_Release,
ISFDropTarget_DragEnter,
ISFDropTarget_DragOver,
ISFDropTarget_DragLeave,
ISFDropTarget_Drop
};
#define MEM_DEBUG 1
/***************************************************************************
* GetNextElement (internal function)
@ -276,10 +124,11 @@ static HRESULT SHELL32_CoCreateInitSF (
*ppvOut = NULL;
hr = SHCoCreateInstance(NULL, clsid, NULL, iid, (LPVOID*)&pShellFolder);
/* we have to ask first for IPersistFolder, some special folders are expecting this */
hr = SHCoCreateInstance(NULL, clsid, NULL, &IID_IPersistFolder, (LPVOID*)&pPersistFolder);
if (SUCCEEDED(hr))
{
hr = IShellFolder_QueryInterface(pShellFolder, &IID_IPersistFolder, (LPVOID*)&pPersistFolder);
hr = IPersistFolder_QueryInterface(pPersistFolder, iid, (LPVOID*)&pShellFolder);
if (SUCCEEDED(hr))
{
absPidl = ILCombine (pidlRoot, pidlChild);
@ -319,14 +168,7 @@ static HRESULT SHELL32_GetDisplayNameOfChild(
hr = IShellFolder_GetDisplayNameOf(psfChild, pidlNext, dwFlags | SHGDN_INFOLDER, &strTemp);
if (SUCCEEDED(hr))
{
if (strTemp.uType == STRRET_CSTRA)
{
lstrcpynA(szOut , strTemp.u.cStr, dwOutLen);
}
else
{
FIXME("wrong return type");
}
hr = StrRetToStrNA(szOut, dwOutLen, &strTemp, pidlNext);
}
IShellFolder_Release(psfChild);
@ -349,21 +191,45 @@ typedef struct
DWORD ref;
ICOM_VTABLE(IPersistFolder)* lpvtblPersistFolder;
ICOM_VTABLE(IDropTarget)* lpvtblDropTarget;
CLSID* pclsid;
LPSTR sMyPath;
LPITEMIDLIST absPidl; /* complete pidl */
UINT cfShellIDList; /* clipboardformat for IDropTarget */
BOOL fAcceptFmt; /* flag for pending Drop */
} IGenericSFImpl;
static struct ICOM_VTABLE(IShellFolder) sfvt;
static struct ICOM_VTABLE(IPersistFolder) psfvt;
static struct ICOM_VTABLE(IDropTarget) dtvt;
static IShellFolder * ISF_MyComputer_Constructor(void);
#define _IPersistFolder_Offset ((int)(&(((IGenericSFImpl*)0)->lpvtblPersistFolder)))
#define _ICOM_THIS_From_IPersistFolder(class, name) class* This = (class*)(((char*)name)-_IPersistFolder_Offset);
static struct ICOM_VTABLE(IDropTarget) dtvt;
#define _IDropTarget_Offset ((int)(&(((IGenericSFImpl*)0)->lpvtblDropTarget)))
#define _ICOM_THIS_From_IDropTarget(class, name) class* This = (class*)(((char*)name)-_IDropTarget_Offset);
/**************************************************************************
* registers clipboardformat once
*/
static void SF_RegisterClipFmt (IShellFolder * iface)
{
ICOM_THIS(IGenericSFImpl, iface);
TRACE("(%p)\n", This);
if (!This->cfShellIDList)
{
This->cfShellIDList = RegisterClipboardFormatA(CFSTR_SHELLIDLIST);
}
}
/**************************************************************************
* IShellFolder_Constructor
*
@ -382,7 +248,10 @@ static IShellFolder * IShellFolder_Constructor(
sf->lpvtbl=&sfvt;
sf->lpvtblPersistFolder=&psfvt;
sf->lpvtblDropTarget=&dtvt;
sf->pclsid = (CLSID*)&CLSID_SFFile;
sf->cfShellIDList=0;
sf->fAcceptFmt=FALSE;
TRACE("(%p)->(parent=%p, pidl=%p)\n",sf,sfParent, pidl);
pdump(pidl);
@ -449,19 +318,27 @@ static HRESULT WINAPI IShellFolder_fnQueryInterface(
{ *ppvObj = This;
}
else if(IsEqualIID(riid, &IID_IShellFolder))
{ *ppvObj = (IShellFolder*)This;
{
*ppvObj = (IShellFolder*)This;
}
else if(IsEqualIID(riid, &IID_IPersist))
{ *ppvObj = (IPersistFolder*)&(This->lpvtblPersistFolder);
{
*ppvObj = (IPersistFolder*)&(This->lpvtblPersistFolder);
}
else if(IsEqualIID(riid, &IID_IPersistFolder))
{ *ppvObj = (IPersistFolder*)&(This->lpvtblPersistFolder);
{
*ppvObj = (IPersistFolder*)&(This->lpvtblPersistFolder);
}
else if(IsEqualIID(riid, &IID_IDropTarget))
{
*ppvObj = (IDropTarget*)&(This->lpvtblDropTarget);
SF_RegisterClipFmt((IShellFolder*)This);
}
if(*ppvObj)
{
IUnknown_AddRef((IUnknown*)(*ppvObj));
TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
TRACE("-- Interface = %p\n", *ppvObj);
return S_OK;
}
TRACE("-- Interface: E_NOINTERFACE\n");
@ -476,6 +353,9 @@ static ULONG WINAPI IShellFolder_fnAddRef(IShellFolder * iface)
{
ICOM_THIS(IGenericSFImpl, iface);
#ifdef MEM_DEBUG
TRACE("called from: 0x%08x\n", *( ((UINT*)&iface)-1 ));
#endif
TRACE("(%p)->(count=%lu)\n",This,This->ref);
shell32_ObjCount++;
@ -489,6 +369,9 @@ static ULONG WINAPI IShellFolder_fnRelease(IShellFolder * iface)
{
ICOM_THIS(IGenericSFImpl, iface);
#ifdef MEM_DEBUG
TRACE("called from: 0x%08x\n", *( ((UINT*)&iface)-1 ));
#endif
TRACE("(%p)->(count=%lu)\n",This,This->ref);
shell32_ObjCount--;
@ -643,7 +526,7 @@ static HRESULT WINAPI IShellFolder_fnBindToObject( IShellFolder * iface, LPCITEM
*ppvOut = NULL;
if ((iid=_ILGetGUIDPointer(pidl)) && !IsEqualIID(iid, &IID_MyComputer))
if ((iid=_ILGetGUIDPointer(pidl)))
{
/* we have to create a alien folder */
if ( SUCCEEDED(SHCoCreateInstance(NULL, iid, NULL, riid, (LPVOID*)&pShellFolder))
@ -812,16 +695,6 @@ static HRESULT WINAPI IShellFolder_fnCompareIDs(
/**************************************************************************
* IShellFolder_fnCreateViewObject
* Creates an View Object representing the ShellFolder
* IShellView / IShellBrowser / IContextMenu
*
* PARAMETERS
* HWND hwndOwner, // Handle of owner window
* REFIID riid, // Requested initial interface
* LPVOID* ppvObject) // Resultant interface*
*
* NOTES
* the same as SHCreateShellFolderViewEx ???
*/
static HRESULT WINAPI IShellFolder_fnCreateViewObject( IShellFolder * iface,
HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
@ -830,20 +703,34 @@ static HRESULT WINAPI IShellFolder_fnCreateViewObject( IShellFolder * iface,
LPSHELLVIEW pShellView;
char xriid[50];
HRESULT hr;
HRESULT hr = E_INVALIDARG;
WINE_StringFromCLSID(riid,xriid);
TRACE("(%p)->(hwnd=0x%x,\n\tIID:\t%s,%p)\n",This,hwndOwner,xriid,ppvOut);
if(ppvOut)
{
*ppvOut = NULL;
if(IsEqualIID(riid, &IID_IDropTarget))
{
hr = IShellFolder_QueryInterface((IShellFolder*)This, &IID_IDropTarget, ppvOut);
}
else if(IsEqualIID(riid, &IID_IContextMenu))
{
FIXME("IContextMenu not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, &IID_IShellView))
{
pShellView = IShellView_Constructor((IShellFolder *) This);
if(!pShellView)
return E_OUTOFMEMORY;
hr = pShellView->lpvtbl->fnQueryInterface(pShellView, riid, ppvOut);
pShellView->lpvtbl->fnRelease(pShellView);
if(pShellView)
{
hr = IShellView_QueryInterface(pShellView, riid, ppvOut);
IShellView_Release(pShellView);
}
}
}
TRACE("-- (%p)->(interface=%p)\n",This, ppvOut);
return hr;
}
@ -925,59 +812,50 @@ static HRESULT WINAPI IShellFolder_fnGetUIObjectOf(
char xclsid[50];
LPITEMIDLIST pidl;
LPUNKNOWN pObj = NULL;
IUnknown* pObj = NULL;
HRESULT hr = E_INVALIDARG;
WINE_StringFromCLSID(riid,xclsid);
TRACE("(%p)->(%u,%u,apidl=%p,\n\tIID:%s,%p,%p)\n",
This,hwndOwner,cidl,apidl,xclsid,prgfInOut,ppvOut);
if (!ppvOut)
return E_INVALIDARG;
if (ppvOut)
{
*ppvOut = NULL;
if(IsEqualIID(riid, &IID_IContextMenu))
if(IsEqualIID(riid, &IID_IContextMenu) && (cidl >= 1))
{
if(cidl < 1)
return E_INVALIDARG;
pObj = (LPUNKNOWN)IContextMenu_Constructor((IShellFolder *)This, This->absPidl, apidl, cidl);
}
else if (IsEqualIID(riid, &IID_IDataObject))
else if (IsEqualIID(riid, &IID_IDataObject) &&(cidl >= 1))
{
if (cidl < 1)
return E_INVALIDARG;
pObj = (LPUNKNOWN)IDataObject_Constructor (hwndOwner, This->absPidl, apidl, cidl);
hr = S_OK;
}
else if(IsEqualIID(riid, &IID_IExtractIconA))
else if (IsEqualIID(riid, &IID_IExtractIconA) && (cidl == 1))
{
if (cidl != 1)
return E_INVALIDARG;
pidl = ILCombine(This->absPidl,apidl[0]);
pObj = (LPUNKNOWN)IExtractIconA_Constructor( pidl );
SHFree(pidl);
hr = S_OK;
}
else if (IsEqualIID(riid, &IID_IDropTarget))
else if (IsEqualIID(riid, &IID_IDropTarget) && (cidl >= 1))
{
if (cidl < 1)
return E_INVALIDARG;
pObj = (LPUNKNOWN)ISFDropTarget_Constructor();
hr = IShellFolder_QueryInterface((IShellFolder*)This, &IID_IDropTarget, (LPVOID*)&pObj);
}
else
{
ERR("(%p)->E_NOINTERFACE\n",This);
return E_NOINTERFACE;
hr = E_NOINTERFACE;
}
if(!pObj)
return E_OUTOFMEMORY;
hr = E_OUTOFMEMORY;
*ppvOut = pObj;
return S_OK;
}
TRACE("(%p)->hr=0x%08lx\n",This, hr);
return hr;
}
/**************************************************************************
@ -1264,19 +1142,28 @@ static HRESULT WINAPI ISF_Desktop_fnBindToObject( IShellFolder * iface, LPCITEMI
*ppvOut = NULL;
if (!(clsid=_ILGetGUIDPointer(pidl))) return E_INVALIDARG;
if ((clsid=_ILGetGUIDPointer(pidl)))
{
if ( IsEqualIID(clsid, &IID_MyComputer))
{
pShellFolder = ISF_MyComputer_Constructor();
}
else
{
/* shell extension */
if (!SUCCEEDED(SHELL32_CoCreateInitSF (This->absPidl, pidl, clsid, riid, (LPVOID*)&pShellFolder)))
{
return E_INVALIDARG;
}
}
}
else
{
/* file system folder on the desktop */
LPITEMIDLIST pidltemp = ILCloneFirst(pidl);
pShellFolder = IShellFolder_Constructor((IShellFolder*)This, pidltemp);
ILFree(pidltemp);
}
if (_ILIsPidlSimple(pidl)) /* no sub folders */
{
@ -1294,6 +1181,49 @@ static HRESULT WINAPI ISF_Desktop_fnBindToObject( IShellFolder * iface, LPCITEMI
return S_OK;
}
/**************************************************************************
* ISF_Desktop_fnCreateViewObject
*/
static HRESULT WINAPI ISF_Desktop_fnCreateViewObject( IShellFolder * iface,
HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
{
ICOM_THIS(IGenericSFImpl, iface);
LPSHELLVIEW pShellView;
char xriid[50];
HRESULT hr = E_INVALIDARG;
WINE_StringFromCLSID(riid,xriid);
TRACE("(%p)->(hwnd=0x%x,\n\tIID:\t%s,%p)\n",This,hwndOwner,xriid,ppvOut);
if(ppvOut)
{
*ppvOut = NULL;
if(IsEqualIID(riid, &IID_IDropTarget))
{
FIXME("IDropTarget not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, &IID_IContextMenu))
{
FIXME("IContextMenu not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, &IID_IShellView))
{
pShellView = IShellView_Constructor((IShellFolder *) This);
if(pShellView)
{
hr = IShellView_QueryInterface(pShellView, riid, ppvOut);
IShellView_Release(pShellView);
}
}
}
TRACE("-- (%p)->(interface=%p)\n",This, ppvOut);
return hr;
}
/**************************************************************************
* ISF_Desktop_fnGetAttributesOf
*/
@ -1326,6 +1256,10 @@ static HRESULT WINAPI ISF_Desktop_fnGetAttributesOf(IShellFolder * iface,UINT ci
*rgfInOut &= attributes;
goto next;
}
else
{ /* some shell-extension */
*rgfInOut &= 0xb0000154;
}
}
else if (_ILIsFolder( *apidl))
{
@ -1401,7 +1335,7 @@ static ICOM_VTABLE(IShellFolder) sfdvt =
ISF_Desktop_fnBindToObject,
IShellFolder_fnBindToStorage,
IShellFolder_fnCompareIDs,
IShellFolder_fnCreateViewObject,
ISF_Desktop_fnCreateViewObject,
ISF_Desktop_fnGetAttributesOf,
IShellFolder_fnGetUIObjectOf,
ISF_Desktop_fnGetDisplayNameOf,
@ -1559,6 +1493,49 @@ static HRESULT WINAPI ISF_MyComputer_fnBindToObject( IShellFolder * iface, LPCIT
return S_OK;
}
/**************************************************************************
* ISF_MyComputer_fnCreateViewObject
*/
static HRESULT WINAPI ISF_MyComputer_fnCreateViewObject( IShellFolder * iface,
HWND hwndOwner, REFIID riid, LPVOID *ppvOut)
{
ICOM_THIS(IGenericSFImpl, iface);
LPSHELLVIEW pShellView;
char xriid[50];
HRESULT hr = E_INVALIDARG;
WINE_StringFromCLSID(riid,xriid);
TRACE("(%p)->(hwnd=0x%x,\n\tIID:\t%s,%p)\n",This,hwndOwner,xriid,ppvOut);
if(ppvOut)
{
*ppvOut = NULL;
if(IsEqualIID(riid, &IID_IDropTarget))
{
FIXME("IDropTarget not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, &IID_IContextMenu))
{
FIXME("IContextMenu not implemented\n");
hr = E_NOTIMPL;
}
else if(IsEqualIID(riid, &IID_IShellView))
{
pShellView = IShellView_Constructor((IShellFolder *) This);
if(pShellView)
{
hr = IShellView_QueryInterface(pShellView, riid, ppvOut);
IShellView_Release(pShellView);
}
}
}
TRACE("-- (%p)->(interface=%p)\n",This, ppvOut);
return hr;
}
/**************************************************************************
* ISF_MyComputer_fnGetAttributesOf
*/
@ -1691,7 +1668,7 @@ static ICOM_VTABLE(IShellFolder) sfmcvt =
ISF_MyComputer_fnBindToObject,
IShellFolder_fnBindToStorage,
IShellFolder_fnCompareIDs,
IShellFolder_fnCreateViewObject,
ISF_MyComputer_fnCreateViewObject,
ISF_MyComputer_fnGetAttributesOf,
IShellFolder_fnGetUIObjectOf,
ISF_MyComputer_fnGetDisplayNameOf,
@ -1711,6 +1688,8 @@ static HRESULT WINAPI ISFPersistFolder_QueryInterface(
{
_ICOM_THIS_From_IPersistFolder(IGenericSFImpl, iface);
TRACE("(%p)\n", This);
return IShellFolder_QueryInterface((IShellFolder*)This, iid, ppvObj);
}
@ -1723,6 +1702,8 @@ static ULONG WINAPI ISFPersistFolder_AddRef(
{
_ICOM_THIS_From_IPersistFolder(IShellFolder, iface);
TRACE("(%p)\n", This);
return IShellFolder_AddRef((IShellFolder*)This);
}
@ -1735,6 +1716,8 @@ static ULONG WINAPI ISFPersistFolder_Release(
{
_ICOM_THIS_From_IPersistFolder(IGenericSFImpl, iface);
TRACE("(%p)\n", This);
return IShellFolder_Release((IShellFolder*)This);
}
@ -1747,6 +1730,8 @@ static HRESULT WINAPI ISFPersistFolder_GetClassID(
{
_ICOM_THIS_From_IPersistFolder(IGenericSFImpl, iface);
TRACE("(%p)\n", This);
if (!lpClassId) return E_POINTER;
*lpClassId = *This->pclsid;
@ -1765,6 +1750,8 @@ static HRESULT WINAPI ISFPersistFolder_Initialize(
{
_ICOM_THIS_From_IPersistFolder(IGenericSFImpl, iface);
TRACE("(%p)\n", This);
if(This->absPidl)
{
SHFree(This->absPidl);
@ -1784,3 +1771,137 @@ static ICOM_VTABLE(IPersistFolder) psfvt =
ISFPersistFolder_Initialize
};
/****************************************************************************
* ISFDropTarget implementation
*/
static BOOL ISFDropTarget_QueryDrop(
IDropTarget *iface,
DWORD dwKeyState,
LPDWORD pdwEffect)
{
DWORD dwEffect = *pdwEffect;
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
*pdwEffect = DROPEFFECT_NONE;
if (This->fAcceptFmt)
{ /* Does our interpretation of the keystate ... */
*pdwEffect = KeyStateToDropEffect(dwKeyState);
/* ... matches the desired effect ? */
if (dwEffect & *pdwEffect)
{
return TRUE;
}
}
return FALSE;
}
static HRESULT WINAPI ISFDropTarget_QueryInterface(
IDropTarget *iface,
REFIID riid,
LPVOID *ppvObj)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)\n", This);
return IShellFolder_QueryInterface((IShellFolder*)This, riid, ppvObj);
}
static ULONG WINAPI ISFDropTarget_AddRef( IDropTarget *iface)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)\n", This);
return IShellFolder_AddRef((IShellFolder*)This);
}
static ULONG WINAPI ISFDropTarget_Release( IDropTarget *iface)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)\n", This);
return IShellFolder_Release((IShellFolder*)This);
}
static HRESULT WINAPI ISFDropTarget_DragEnter(
IDropTarget *iface,
IDataObject *pDataObject,
DWORD dwKeyState,
POINTL pt,
DWORD *pdwEffect)
{
FORMATETC fmt;
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)->(DataObject=%p)\n",This,pDataObject);
InitFormatEtc(fmt, This->cfShellIDList, TYMED_HGLOBAL);
This->fAcceptFmt = (S_OK == IDataObject_QueryGetData(pDataObject, &fmt)) ? TRUE : FALSE;
ISFDropTarget_QueryDrop(iface, dwKeyState, pdwEffect);
return S_OK;
}
static HRESULT WINAPI ISFDropTarget_DragOver(
IDropTarget *iface,
DWORD dwKeyState,
POINTL pt,
DWORD *pdwEffect)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)\n",This);
if(!pdwEffect) return E_INVALIDARG;
ISFDropTarget_QueryDrop(iface, dwKeyState, pdwEffect);
return S_OK;
}
static HRESULT WINAPI ISFDropTarget_DragLeave(
IDropTarget *iface)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
TRACE("(%p)\n",This);
This->fAcceptFmt = FALSE;
return S_OK;
}
static HRESULT WINAPI ISFDropTarget_Drop(
IDropTarget *iface,
IDataObject* pDataObject,
DWORD dwKeyState,
POINTL pt,
DWORD *pdwEffect)
{
_ICOM_THIS_From_IDropTarget(IGenericSFImpl,iface);
FIXME("(%p) object dropped\n",This);
return E_NOTIMPL;
}
static struct ICOM_VTABLE(IDropTarget) dtvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
ISFDropTarget_QueryInterface,
ISFDropTarget_AddRef,
ISFDropTarget_Release,
ISFDropTarget_DragEnter,
ISFDropTarget_DragOver,
ISFDropTarget_DragLeave,
ISFDropTarget_Drop
};