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Sweden-Number/dlls/shell32/shlfolder.c

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/*
* Shell Folder stuff
*
* Copyright 1997 Marcus Meissner
* Copyright 1998 Juergen Schmied
*
*/
#include <stdlib.h>
#include <string.h>
#include "debug.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "shlguid.h"
#include "pidl.h"
#include "objbase.h"
#include "shlobj.h"
#include "shell32_main.h"
static HRESULT WINAPI IShellFolder_QueryInterface(LPSHELLFOLDER,REFIID,LPVOID*);
static ULONG WINAPI IShellFolder_AddRef(LPSHELLFOLDER);
static ULONG WINAPI IShellFolder_Release(LPSHELLFOLDER);
static HRESULT WINAPI IShellFolder_Initialize(LPSHELLFOLDER,LPCITEMIDLIST);
static HRESULT WINAPI IShellFolder_ParseDisplayName(LPSHELLFOLDER,HWND32,LPBC,LPOLESTR32,DWORD*,LPITEMIDLIST*,DWORD*);
static HRESULT WINAPI IShellFolder_EnumObjects(LPSHELLFOLDER,HWND32,DWORD,LPENUMIDLIST*);
static HRESULT WINAPI IShellFolder_BindToObject(LPSHELLFOLDER,LPCITEMIDLIST,LPBC,REFIID,LPVOID*);
static HRESULT WINAPI IShellFolder_BindToStorage(LPSHELLFOLDER,LPCITEMIDLIST,LPBC,REFIID,LPVOID*);
static HRESULT WINAPI IShellFolder_CompareIDs(LPSHELLFOLDER,LPARAM,LPCITEMIDLIST,LPCITEMIDLIST);
static HRESULT WINAPI IShellFolder_CreateViewObject(LPSHELLFOLDER,HWND32,REFIID,LPVOID*);
static HRESULT WINAPI IShellFolder_GetAttributesOf(LPSHELLFOLDER,UINT32,LPCITEMIDLIST*,DWORD*);
static HRESULT WINAPI IShellFolder_GetUIObjectOf(LPSHELLFOLDER,HWND32,UINT32,LPCITEMIDLIST*,REFIID,UINT32*,LPVOID*);
static HRESULT WINAPI IShellFolder_GetDisplayNameOf(LPSHELLFOLDER,LPCITEMIDLIST,DWORD,LPSTRRET);
static HRESULT WINAPI IShellFolder_SetNameOf(LPSHELLFOLDER,HWND32,LPCITEMIDLIST,LPCOLESTR32,DWORD,LPITEMIDLIST*);
static BOOL32 WINAPI IShellFolder_GetFolderPath(LPSHELLFOLDER,LPSTR,DWORD);
/* Definition Here */
/***************************************************************************
* IDropTarget interface definition for the ShellFolder
*/
/*
* Forward declarations of the structure
*/
typedef struct ShellFolderDropTargetImpl ShellFolderDropTargetImpl;
/*
* ShellFolderDropTargetImpl definitions.
*/
struct ShellFolderDropTargetImpl
{
ICOM_VTABLE(IDropTarget)* lpvtbl; /* Needs to be the first item in the struct
* since we want to cast this in a
* IDropTarget pointer */
/*
* Reference count of this object (IUnknown)
*/
ULONG ref;
};
/*
* ShellFolderDropTargetImpl prototypes definition
*/
static
ShellFolderDropTargetImpl* WINAPI ShellFolderDropTargetImpl_Constructor();
void WINAPI ShellFolderDropTargetImpl_Destroy( /* not static to avoid warning */
ShellFolderDropTargetImpl *This);
static HRESULT WINAPI ShellFolderDropTargetImpl_QueryInterface(
ShellFolderDropTargetImpl *This,
REFIID iid,
VOID **ppvObject);
static ULONG WINAPI ShellFolderDropTargetImpl_AddRef(
ShellFolderDropTargetImpl *This);
static ULONG WINAPI ShellFolderDropTargetImpl_Release(
ShellFolderDropTargetImpl *This);
static HRESULT WINAPI ShellFolderDropTargetImpl_DragEnter(
ShellFolderDropTargetImpl *This,
IDataObject *pDataObject,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect);
static HRESULT WINAPI ShellFolderDropTargetImpl_DragOver(
ShellFolderDropTargetImpl *This,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect);
static HRESULT WINAPI ShellFolderDropTargetImpl_DragLeave(
ShellFolderDropTargetImpl *This);
static HRESULT WINAPI ShellFolderDropTargetImpl_Drop(
ShellFolderDropTargetImpl *This,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect);
/*
* This define allows me to assign a function to a vtable without having the
* nasty warning about incompatible types.
*
* This is necessary because of the usage of implementation classes pointers
* as the first parameter of the interface functions instead of the pointer
* to the interface.
*/
#define VTABLE_FUNC(a) ((void*)a)
/*
* Virtual function table for the ShellFolderDropTargetImpl class.
*/
static ICOM_VTABLE(IDropTarget) ShellFolderDropTargetImpl_VTable =
{
{
VTABLE_FUNC(ShellFolderDropTargetImpl_QueryInterface),
VTABLE_FUNC(ShellFolderDropTargetImpl_AddRef),
VTABLE_FUNC(ShellFolderDropTargetImpl_Release)
},
VTABLE_FUNC(ShellFolderDropTargetImpl_DragEnter),
VTABLE_FUNC(ShellFolderDropTargetImpl_DragOver),
VTABLE_FUNC(ShellFolderDropTargetImpl_DragLeave),
VTABLE_FUNC(ShellFolderDropTargetImpl_Drop),
};
/***************************************************************************
* GetNextElement (internal function)
*
* gets a part of a string till the first backslash
*
* PARAMETERS
* pszNext [IN] string to get the element from
* pszOut [IN] pointer to buffer whitch receives string
* dwOut [IN] length of pszOut
*
* RETURNS
* LPSTR pointer to first, not yet parsed char
*/
LPSTR GetNextElement(LPSTR pszNext,LPSTR pszOut,DWORD dwOut)
{ LPSTR pszTail = pszNext;
DWORD dwCopy;
TRACE(shell,"(%s %p 0x%08lx)\n",debugstr_a(pszNext),pszOut,dwOut);
if(!pszNext || !*pszNext)
return NULL;
while(*pszTail && (*pszTail != '\\'))
{ pszTail++;
}
dwCopy=((LPBYTE)pszTail-(LPBYTE)pszNext)/sizeof(CHAR)+1;
lstrcpyn32A(pszOut, pszNext, (dwOut<dwCopy)? dwOut : dwCopy);
if(*pszTail)
{ pszTail++;
}
TRACE(shell,"--(%s %s 0x%08lx)\n",debugstr_a(pszNext),debugstr_a(pszOut),dwOut);
return pszTail;
}
/***********************************************************************
* IShellFolder implementation
*/
static struct IShellFolder_VTable sfvt =
{ IShellFolder_QueryInterface,
IShellFolder_AddRef,
IShellFolder_Release,
IShellFolder_ParseDisplayName,
IShellFolder_EnumObjects,
IShellFolder_BindToObject,
IShellFolder_BindToStorage,
IShellFolder_CompareIDs,
IShellFolder_CreateViewObject,
IShellFolder_GetAttributesOf,
IShellFolder_GetUIObjectOf,
IShellFolder_GetDisplayNameOf,
IShellFolder_SetNameOf,
IShellFolder_GetFolderPath
};
/**************************************************************************
* IShellFolder_Constructor
*/
LPSHELLFOLDER IShellFolder_Constructor(LPSHELLFOLDER pParent,LPITEMIDLIST pidl)
{ LPSHELLFOLDER sf;
DWORD dwSize=0;
sf=(LPSHELLFOLDER)HeapAlloc(GetProcessHeap(),0,sizeof(IShellFolder));
sf->ref=1;
sf->lpvtbl=&sfvt;
sf->sMyPath=NULL; /* path of the folder */
sf->pMyPidl=NULL; /* my qualified pidl */
TRACE(shell,"(%p)->(parent=%p, pidl=%p)\n",sf,pParent, pidl);
pdump(pidl);
/* keep a copy of the pidl in the instance*/
sf->mpidl = ILClone(pidl); /* my short pidl */
if(sf->mpidl) /* do we have a pidl? */
{ dwSize = 0;
if(pParent->sMyPath) /* get the size of the parents path */
{ dwSize += strlen(pParent->sMyPath) ;
TRACE(shell,"-- (%p)->(parent's path=%s)\n",sf, debugstr_a(pParent->sMyPath));
}
dwSize += _ILGetFolderText(sf->mpidl,NULL,0); /* add the size of the foldername*/
sf->sMyPath = SHAlloc(dwSize+2); /* '\0' and backslash */
if(sf->sMyPath)
{ int len;
*(sf->sMyPath)=0x00;
if(pParent->sMyPath) /* if the parent has a path, get it*/
{ strcpy(sf->sMyPath, pParent->sMyPath);
PathAddBackslash32A (sf->sMyPath);
}
sf->pMyPidl = ILCombine(pParent->pMyPidl, pidl);
len = strlen(sf->sMyPath);
_ILGetFolderText(sf->mpidl, sf->sMyPath+len, dwSize-len);
TRACE(shell,"-- (%p)->(my pidl=%p, my path=%s)\n",sf, sf->pMyPidl,debugstr_a(sf->sMyPath));
pdump (sf->pMyPidl);
}
}
shell32_ObjCount++;
return sf;
}
/**************************************************************************
* IShellFolder::QueryInterface
* PARAMETERS
* REFIID riid, //[in ] Requested InterfaceID
* LPVOID* ppvObject) //[out] Interface* to hold the result
*/
static HRESULT WINAPI IShellFolder_QueryInterface(
LPSHELLFOLDER 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_IShellFolder)) /*IShellFolder*/
{ *ppvObj = (IShellFolder*)this;
}
if(*ppvObj)
{ (*(LPSHELLFOLDER*)ppvObj)->lpvtbl->fnAddRef(this);
TRACE(shell,"-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
return S_OK;
}
TRACE(shell,"-- Interface: E_NOINTERFACE\n");
return E_NOINTERFACE;
}
/**************************************************************************
* IShellFolder::AddRef
*/
static ULONG WINAPI IShellFolder_AddRef(LPSHELLFOLDER this)
{ TRACE(shell,"(%p)->(count=%lu)\n",this,this->ref);
shell32_ObjCount++;
return ++(this->ref);
}
/**************************************************************************
* IShellFolder_Release
*/
static ULONG WINAPI IShellFolder_Release(LPSHELLFOLDER this)
{ TRACE(shell,"(%p)->(count=%lu)\n",this,this->ref);
shell32_ObjCount--;
if (!--(this->ref))
{ TRACE(shell,"-- destroying IShellFolder(%p)\n",this);
if (pdesktopfolder==this)
{ pdesktopfolder=NULL;
TRACE(shell,"-- destroyed IShellFolder(%p) was Desktopfolder\n",this);
}
if(this->pMyPidl)
{ SHFree(this->pMyPidl);
}
if(this->mpidl)
{ SHFree(this->mpidl);
}
if(this->sMyPath)
{ SHFree(this->sMyPath);
}
HeapFree(GetProcessHeap(),0,this);
return 0;
}
return this->ref;
}
/**************************************************************************
* IShellFolder_ParseDisplayName
* PARAMETERS
* HWND hwndOwner, //[in ] Parent window for any message's
* LPBC pbc, //[in ] reserved
* LPOLESTR lpszDisplayName,//[in ] "Unicode" displayname.
* ULONG* pchEaten, //[out] (unicode) characters processed
* LPITEMIDLIST* ppidl, //[out] complex pidl to item
* ULONG* pdwAttributes //[out] items attributes
*
* FIXME:
* pdwAttributes: not used
*/
static HRESULT WINAPI IShellFolder_ParseDisplayName(
LPSHELLFOLDER this,
HWND32 hwndOwner,
LPBC pbcReserved,
LPOLESTR32 lpszDisplayName,
DWORD *pchEaten,
LPITEMIDLIST *ppidl,
DWORD *pdwAttributes)
{ HRESULT hr=E_OUTOFMEMORY;
LPITEMIDLIST pidlFull=NULL, pidlTemp = NULL, pidlOld = NULL;
LPSTR pszNext=NULL;
CHAR szTemp[MAX_PATH],szElement[MAX_PATH];
BOOL32 bIsFile;
TRACE(shell,"(%p)->(HWND=0x%08x,%p,%p=%s,%p,pidl=%p,%p)\n",
this,hwndOwner,pbcReserved,lpszDisplayName,
debugstr_w(lpszDisplayName),pchEaten,ppidl,pdwAttributes);
{ hr = E_FAIL;
WideCharToLocal32(szTemp, lpszDisplayName, lstrlen32W(lpszDisplayName) + 1);
if(szTemp[0])
{ if (strcmp(szTemp,"Desktop")==0)
{ pidlFull = _ILCreateDesktop();
}
else if (strcmp(szTemp,"My Computer")==0)
{ pidlFull = _ILCreateMyComputer();
}
else
{ if (!PathIsRoot32A(szTemp))
{ if (this->sMyPath && strlen (this->sMyPath))
{ if (strcmp(this->sMyPath,"My Computer"))
{ strcpy (szElement,this->sMyPath);
PathAddBackslash32A (szElement);
strcat (szElement, szTemp);
strcpy (szTemp, szElement);
}
}
}
/* check if the lpszDisplayName is Folder or File*/
bIsFile = ! (GetFileAttributes32A(szTemp) & FILE_ATTRIBUTE_DIRECTORY);
pszNext = GetNextElement(szTemp, szElement, MAX_PATH);
pidlFull = _ILCreateMyComputer();
pidlTemp = _ILCreateDrive(szElement);
pidlOld = pidlFull;
pidlFull = ILCombine(pidlFull,pidlTemp);
SHFree(pidlOld);
if(pidlFull)
{ while((pszNext=GetNextElement(pszNext, szElement, MAX_PATH)))
{ if(!*pszNext && bIsFile)
{ pidlTemp = _ILCreateValue(szElement);
}
else
{ pidlTemp = _ILCreateFolder(szElement);
}
pidlOld = pidlFull;
pidlFull = ILCombine(pidlFull,pidlTemp);
SHFree(pidlOld);
}
hr = S_OK;
}
}
}
}
*ppidl = pidlFull;
return hr;
}
/**************************************************************************
* IShellFolder_EnumObjects
* PARAMETERS
* HWND hwndOwner, //[in ] Parent Window
* DWORD grfFlags, //[in ] SHCONTF enumeration mask
* LPENUMIDLIST* ppenumIDList //[out] IEnumIDList interface
*/
static HRESULT WINAPI IShellFolder_EnumObjects(
LPSHELLFOLDER this,
HWND32 hwndOwner,
DWORD dwFlags,
LPENUMIDLIST* ppEnumIDList)
{ TRACE(shell,"(%p)->(HWND=0x%08x flags=0x%08lx pplist=%p)\n",this,hwndOwner,dwFlags,ppEnumIDList);
*ppEnumIDList = NULL;
*ppEnumIDList = IEnumIDList_Constructor (this->sMyPath, dwFlags);
TRACE(shell,"-- (%p)->(new ID List: %p)\n",this,*ppEnumIDList);
if(!*ppEnumIDList)
{ return E_OUTOFMEMORY;
}
return S_OK;
}
/**************************************************************************
* IShellFolder_Initialize()
* IPersistFolder Method
*/
static HRESULT WINAPI IShellFolder_Initialize( LPSHELLFOLDER this,LPCITEMIDLIST pidl)
{ TRACE(shell,"(%p)->(pidl=%p)\n",this,pidl);
if(this->pMyPidl)
{ SHFree(this->pMyPidl);
this->pMyPidl = NULL;
}
this->pMyPidl = ILClone(pidl);
return S_OK;
}
/**************************************************************************
* IShellFolder_BindToObject
* PARAMETERS
* LPCITEMIDLIST pidl, //[in ] complex pidl to open
* LPBC pbc, //[in ] reserved
* REFIID riid, //[in ] Initial Interface
* LPVOID* ppvObject //[out] Interface*
*/
static HRESULT WINAPI IShellFolder_BindToObject( LPSHELLFOLDER this, LPCITEMIDLIST pidl,
LPBC pbcReserved, REFIID riid, LPVOID * ppvOut)
{ char xriid[50];
HRESULT hr;
LPSHELLFOLDER pShellFolder;
WINE_StringFromCLSID(riid,xriid);
TRACE(shell,"(%p)->(pidl=%p,%p,\n\tIID:%s,%p)\n",this,pidl,pbcReserved,xriid,ppvOut);
*ppvOut = NULL;
pShellFolder = IShellFolder_Constructor(this, pidl);
if(!pShellFolder)
return E_OUTOFMEMORY;
hr = pShellFolder->lpvtbl->fnQueryInterface(pShellFolder, riid, ppvOut);
pShellFolder->lpvtbl->fnRelease(pShellFolder);
TRACE(shell,"-- (%p)->(interface=%p)\n",this, ppvOut);
return hr;
}
/**************************************************************************
* IShellFolder_BindToStorage
* PARAMETERS
* LPCITEMIDLIST pidl, //[in ] complex pidl to store
* LPBC pbc, //[in ] reserved
* REFIID riid, //[in ] Initial storage interface
* LPVOID* ppvObject //[out] Interface* returned
*/
static HRESULT WINAPI IShellFolder_BindToStorage(LPSHELLFOLDER this,
LPCITEMIDLIST pidl,LPBC pbcReserved, REFIID riid, LPVOID *ppvOut)
{ char xriid[50];
WINE_StringFromCLSID(riid,xriid);
FIXME(shell,"(%p)->(pidl=%p,%p,\n\tIID:%s,%p) stub\n",this,pidl,pbcReserved,xriid,ppvOut);
*ppvOut = NULL;
return E_NOTIMPL;
}
/**************************************************************************
* IShellFolder_CompareIDs
*
* PARMETERS
* LPARAM lParam, //[in ] Column?
* LPCITEMIDLIST pidl1, //[in ] simple pidl
* LPCITEMIDLIST pidl2) //[in ] simple pidl
*
* NOTES
* Special case - If one of the items is a Path and the other is a File,
* always make the Path come before the File.
*
* FIXME
* we have to handle simple pidl's only (?)
*/
static HRESULT WINAPI IShellFolder_CompareIDs(LPSHELLFOLDER this,
LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{ CHAR szString1[MAX_PATH] = "";
CHAR szString2[MAX_PATH] = "";
int nReturn;
LPCITEMIDLIST pidlTemp1 = pidl1, pidlTemp2 = pidl2;
TRACE(shell,"(%p)->(0x%08lx,pidl1=%p,pidl2=%p)\n",this,lParam,pidl1,pidl2);
pdump (pidl1);
pdump (pidl2);
if (!pidl1 && !pidl2)
return 0;
if (!pidl1) /* Desktop < anything */
return -1;
if (!pidl2)
return 1;
/* get the last item in each list */
while((ILGetNext(pidlTemp1))->mkid.cb)
pidlTemp1 = ILGetNext(pidlTemp1);
while((ILGetNext(pidlTemp2))->mkid.cb)
pidlTemp2 = ILGetNext(pidlTemp2);
/* at this point, both pidlTemp1 and pidlTemp2 point to the last item in the list */
if(_ILIsValue(pidlTemp1) != _ILIsValue(pidlTemp2))
{ if(_ILIsValue(pidlTemp1))
return 1;
return -1;
}
_ILGetDrive( pidl1,szString1,sizeof(szString1));
_ILGetDrive( pidl2,szString1,sizeof(szString2));
nReturn = strcasecmp(szString1, szString2);
if(nReturn)
return nReturn;
_ILGetFolderText( pidl1,szString1,sizeof(szString1));
_ILGetFolderText( pidl2,szString2,sizeof(szString2));
nReturn = strcasecmp(szString1, szString2);
if(nReturn)
return nReturn;
_ILGetValueText(pidl1,szString1,sizeof(szString1));
_ILGetValueText(pidl2,szString2,sizeof(szString2));
return strcasecmp(szString1, szString2);
}
/**************************************************************************
* IShellFolder_CreateViewObject
* 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_CreateViewObject( LPSHELLFOLDER this,
HWND32 hwndOwner, REFIID riid, LPVOID *ppvOut)
{ LPSHELLVIEW pShellView;
char xriid[50];
HRESULT hr;
WINE_StringFromCLSID(riid,xriid);
TRACE(shell,"(%p)->(hwnd=0x%x,\n\tIID:\t%s,%p)\n",this,hwndOwner,xriid,ppvOut);
*ppvOut = NULL;
pShellView = IShellView_Constructor(this, this->mpidl);
if(!pShellView)
return E_OUTOFMEMORY;
hr = pShellView->lpvtbl->fnQueryInterface(pShellView, riid, ppvOut);
pShellView->lpvtbl->fnRelease(pShellView);
TRACE(shell,"-- (%p)->(interface=%p)\n",this, ppvOut);
return hr;
}
/**************************************************************************
* IShellFolder_GetAttributesOf
*
* PARAMETERS
* UINT cidl, //[in ] num elements in pidl array
+ LPCITEMIDLIST* apidl, //[in ] simple pidl array
* ULONG* rgfInOut) //[out] result array
*
* FIXME: quick hack
* Note: rgfInOut is documented as being an array of ULONGS.
* This does not seem to be the case. Testing this function using the shell to
* call it with cidl > 1 (by deleting multiple items) reveals that the shell
* passes ONE element in the array and writing to further elements will
* cause the shell to fail later.
*/
static HRESULT WINAPI IShellFolder_GetAttributesOf(LPSHELLFOLDER this,UINT32 cidl,LPCITEMIDLIST *apidl,DWORD *rgfInOut)
{ LPCITEMIDLIST * pidltemp;
DWORD i;
TRACE(shell,"(%p)->(%d,%p,%p)\n",this,cidl,apidl,rgfInOut);
if ((! cidl )| (!apidl) | (!rgfInOut))
return E_INVALIDARG;
pidltemp=apidl;
*rgfInOut = 0x00;
i=cidl;
TRACE(shell,"-- mask=0x%08lx\n",*rgfInOut);
do
{ if (*pidltemp)
{ pdump (*pidltemp);
if (_ILIsDesktop( *pidltemp))
{ *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FOLDER | SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANLINK );
}
else if (_ILIsMyComputer( *pidltemp))
{ *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR
| SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANRENAME | SFGAO_CANLINK );
}
else if (_ILIsDrive( *pidltemp))
{ *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM | SFGAO_FOLDER | SFGAO_FILESYSANCESTOR |
SFGAO_DROPTARGET | SFGAO_HASPROPSHEET | SFGAO_CANLINK );
}
else if (_ILIsFolder( *pidltemp))
{ *rgfInOut |= ( SFGAO_HASSUBFOLDER | SFGAO_FILESYSTEM | SFGAO_FOLDER | SFGAO_CAPABILITYMASK );
}
else if (_ILIsValue( *pidltemp))
{ *rgfInOut |= (SFGAO_FILESYSTEM | SFGAO_CAPABILITYMASK );
}
}
pidltemp++;
cidl--;
} while (cidl > 0 && *pidltemp);
return S_OK;
}
/**************************************************************************
* IShellFolder_GetUIObjectOf
*
* PARAMETERS
* HWND hwndOwner, //[in ] Parent window for any output
* UINT cidl, //[in ] array size
* LPCITEMIDLIST* apidl, //[in ] simple pidl array
* REFIID riid, //[in ] Requested Interface
* UINT* prgfInOut, //[ ] reserved
* LPVOID* ppvObject) //[out] Resulting Interface
*
* NOTES
* This function gets asked to return "view objects" for one or more (multiple select)
* items:
* The viewobject typically is an COM object with one of the following interfaces:
* IExtractIcon,IDataObject,IContextMenu
* In order to support icon positions in the default Listview your DataObject
* must implement the SetData method (in addition to GetData :) - the shell passes
* a barely documented "Icon positions" structure to SetData when the drag starts,
* and GetData's it if the drop is in another explorer window that needs the positions.
*/
static HRESULT WINAPI IShellFolder_GetUIObjectOf(
LPSHELLFOLDER this,
HWND32 hwndOwner,
UINT32 cidl,
LPCITEMIDLIST * apidl,
REFIID riid,
UINT32 * prgfInOut,
LPVOID * ppvOut)
{
char xclsid[50];
LPITEMIDLIST pidl;
LPUNKNOWN pObj = NULL;
WINE_StringFromCLSID(riid,xclsid);
TRACE(shell,"(%p)->(%u,%u,apidl=%p,\n\tIID:%s,%p,%p)\n",
this,hwndOwner,cidl,apidl,xclsid,prgfInOut,ppvOut);
*ppvOut = NULL;
if(IsEqualIID(riid, &IID_IContextMenu))
{
if(cidl < 1)
return E_INVALIDARG;
pObj = (LPUNKNOWN)IContextMenu_Constructor(this, apidl, cidl);
}
else if (IsEqualIID(riid, &IID_IDataObject))
{
if (cidl < 1)
return(E_INVALIDARG);
pObj = (LPUNKNOWN)IDataObject_Constructor (hwndOwner, this, apidl, cidl);
}
else if(IsEqualIID(riid, &IID_IExtractIcon))
{
if (cidl != 1)
return(E_INVALIDARG);
pidl = ILCombine(this->pMyPidl,apidl[0]);
pObj = (LPUNKNOWN)IExtractIcon_Constructor( pidl );
SHFree(pidl);
}
else if (IsEqualIID(riid, &IID_IDropTarget))
{
if (cidl < 1)
return(E_INVALIDARG);
pObj = (LPUNKNOWN)ShellFolderDropTargetImpl_Constructor();
ShellFolderDropTargetImpl_AddRef((ShellFolderDropTargetImpl*)pObj);
}
else
{
ERR(shell,"(%p)->E_NOINTERFACE\n",this);
return E_NOINTERFACE;
}
if(!pObj)
return E_OUTOFMEMORY;
*ppvOut = pObj;
return S_OK;
}
/**************************************************************************
* IShellFolder_GetDisplayNameOf
* Retrieves the display name for the specified file object or subfolder
*
* PARAMETERS
* LPCITEMIDLIST pidl, //[in ] complex pidl to item
* DWORD dwFlags, //[in ] SHGNO formatting flags
* LPSTRRET lpName) //[out] Returned display name
*
* FIXME
* if the name is in the pidl the ret value should be a STRRET_OFFSET
*/
#define GET_SHGDN_FOR(dwFlags) ((DWORD)dwFlags & (DWORD)0x0000FF00)
#define GET_SHGDN_RELATION(dwFlags) ((DWORD)dwFlags & (DWORD)0x000000FF)
static HRESULT WINAPI IShellFolder_GetDisplayNameOf( LPSHELLFOLDER this, LPCITEMIDLIST pidl, DWORD dwFlags, LPSTRRET lpName)
{ CHAR szText[MAX_PATH];
CHAR szTemp[MAX_PATH];
CHAR szSpecial[MAX_PATH];
CHAR szDrive[MAX_PATH];
DWORD dwVolumeSerialNumber,dwMaximumComponetLength,dwFileSystemFlags;
LPITEMIDLIST pidlTemp=NULL;
BOOL32 bSimplePidl=FALSE;
TRACE(shell,"(%p)->(pidl=%p,0x%08lx,%p)\n",this,pidl,dwFlags,lpName);
pdump(pidl);
szSpecial[0]=0x00;
szDrive[0]=0x00;
szText[0]=0x00;
szTemp[0]=0x00;
/* test if simple(relative) or complex(absolute) pidl */
pidlTemp = ILGetNext(pidl);
if (pidlTemp && pidlTemp->mkid.cb==0x00)
{ bSimplePidl = TRUE;
TRACE(shell,"-- simple pidl\n");
}
if (_ILIsDesktop( pidl))
{ strcpy (szText,"Desktop");
}
else
{ if (_ILIsMyComputer(pidl))
{ _ILGetItemText(pidl, szSpecial, MAX_PATH);
pidl = ILGetNext(pidl);
}
if (_ILIsDrive(pidl))
{ _ILGetDrive( pidl, szTemp, MAX_PATH);
if ( dwFlags==SHGDN_NORMAL || dwFlags==SHGDN_INFOLDER) /* like "A1-dos (C:)" */
{ GetVolumeInformation32A(szTemp,szDrive,MAX_PATH,&dwVolumeSerialNumber,&dwMaximumComponetLength,&dwFileSystemFlags,NULL,0);
szTemp[2]=0x00; /* overwrite '\' */
strcat (szDrive," (");
strcat (szDrive,szTemp);
strcat (szDrive,")");
}
else /* like "C:\" */
{ PathAddBackslash32A (szTemp);
strcpy(szDrive,szTemp);
}
}
switch(dwFlags)
{ case SHGDN_NORMAL: /* 0x0000 */
_ILGetPidlPath( pidl, szText, MAX_PATH);
break;
case SHGDN_INFOLDER | SHGDN_FORPARSING: /* 0x8001 */
case SHGDN_INFOLDER: /* 0x0001 */
pidlTemp = ILFindLastID(pidl);
if (pidlTemp)
{ _ILGetItemText( pidlTemp, szText, MAX_PATH);
}
break;
case SHGDN_FORPARSING: /* 0x8000 */
if (bSimplePidl)
{ /* if the IShellFolder has parents, get the path from the
parent and add the ItemName*/
szText[0]=0x00;
if (this->sMyPath && strlen (this->sMyPath))
{ if (strcmp(this->sMyPath,"My Computer"))
{ strcpy (szText,this->sMyPath);
PathAddBackslash32A (szText);
}
}
pidlTemp = ILFindLastID(pidl);
if (pidlTemp)
{ _ILGetItemText( pidlTemp, szTemp, MAX_PATH );
}
strcat(szText,szTemp);
}
else /* if the pidl is absolute, get everything from the pidl*/
{ _ILGetPidlPath( pidl, szText, MAX_PATH);
}
break;
default:
TRACE(shell,"--- wrong flags=%lx\n", dwFlags);
return E_INVALIDARG;
}
if ((szText[0]==0x00 && szDrive[0]!=0x00)|| (bSimplePidl && szDrive[0]!=0x00))
{ strcpy(szText,szDrive);
}
if (szText[0]==0x00 && szSpecial[0]!=0x00)
{ strcpy(szText,szSpecial);
}
}
TRACE(shell,"-- (%p)->(%s)\n",this,szText);
if(!(lpName))
{ return E_OUTOFMEMORY;
}
lpName->uType = STRRET_CSTRA;
strcpy(lpName->u.cStr,szText);
return S_OK;
}
/**************************************************************************
* IShellFolder_SetNameOf
* Changes the name of a file object or subfolder, possibly changing its item
* identifier in the process.
*
* PARAMETERS
* HWND hwndOwner, //[in ] Owner window for output
* LPCITEMIDLIST pidl, //[in ] simple pidl of item to change
* LPCOLESTR lpszName, //[in ] the items new display name
* DWORD dwFlags, //[in ] SHGNO formatting flags
* LPITEMIDLIST* ppidlOut) //[out] simple pidl returned
*/
static HRESULT WINAPI IShellFolder_SetNameOf(
LPSHELLFOLDER this,
HWND32 hwndOwner,
LPCITEMIDLIST pidl, /*simple pidl*/
LPCOLESTR32 lpName,
DWORD dw,
LPITEMIDLIST *pPidlOut)
{ FIXME(shell,"(%p)->(%u,pidl=%p,%s,%lu,%p),stub!\n",
this,hwndOwner,pidl,debugstr_w(lpName),dw,pPidlOut);
return E_NOTIMPL;
}
/**************************************************************************
* IShellFolder_GetFolderPath
* FIXME: drive not included
*/
static BOOL32 WINAPI IShellFolder_GetFolderPath(LPSHELLFOLDER this, LPSTR lpszOut, DWORD dwOutSize)
{ DWORD dwSize;
TRACE(shell,"(%p)->(%p %lu)\n",this, lpszOut, dwOutSize);
if (!lpszOut)
{ return FALSE;
}
*lpszOut=0;
if (! this->sMyPath)
return FALSE;
dwSize = strlen (this->sMyPath) +1;
if ( dwSize > dwOutSize)
return FALSE;
strcpy(lpszOut, this->sMyPath);
TRACE(shell,"-- (%p)->(return=%s)\n",this, lpszOut);
return TRUE;
}
/****************************************************************************
* ShellFolderDropTargetImpl implementation
*/
static ShellFolderDropTargetImpl* WINAPI ShellFolderDropTargetImpl_Constructor()
{
ShellFolderDropTargetImpl* newShellFolderDropTarget;
newShellFolderDropTarget =
HeapAlloc(GetProcessHeap(), 0, sizeof(ShellFolderDropTargetImpl));
if (newShellFolderDropTarget!=0)
{
/*
* Set-up the virtual function table and reference count.
*/
newShellFolderDropTarget->lpvtbl = &ShellFolderDropTargetImpl_VTable;
newShellFolderDropTarget->ref = 0;
/*
* We want to nail-down the reference to the storage in case the
* enumeration out-lives the storage in the client application.
*/
ShellFolderDropTargetImpl_AddRef(newShellFolderDropTarget);
}
return newShellFolderDropTarget;
}
void WINAPI ShellFolderDropTargetImpl_Destroy(
ShellFolderDropTargetImpl *This)
{
ShellFolderDropTargetImpl_Release(This);
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT WINAPI ShellFolderDropTargetImpl_QueryInterface(
ShellFolderDropTargetImpl *This,
REFIID iid,
VOID **ppvObject)
{
/*
* Perform a sanity check on the parameters.
*/
if ( (This==0) || (ppvObject==0) )
return E_INVALIDARG;
/*
* Initialize the return parameter.
*/
*ppvObject = 0;
/*
* Compare the riid with the interface IDs implemented by this object.
*/
if (memcmp(&IID_IUnknown, iid, sizeof(IID_IUnknown)) == 0)
{
*ppvObject = (ShellFolderDropTargetImpl*)This;
}
else if (memcmp(&IID_IDropTarget, iid, sizeof(IID_IDropTarget)) == 0)
{
*ppvObject = (ShellFolderDropTargetImpl*)This;
}
/*
* Check that we obtained an interface.
*/
if ((*ppvObject)==0)
return E_NOINTERFACE;
/*
* Query Interface always increases the reference count by one when it is
* successful
*/
ShellFolderDropTargetImpl_AddRef(This);
return S_OK;
}
static ULONG WINAPI ShellFolderDropTargetImpl_AddRef(
ShellFolderDropTargetImpl *This)
{
This->ref++;
return This->ref;
}
static ULONG WINAPI ShellFolderDropTargetImpl_Release(
ShellFolderDropTargetImpl *This)
{
This->ref--;
return This->ref;
}
static HRESULT WINAPI ShellFolderDropTargetImpl_DragEnter(
ShellFolderDropTargetImpl *This,
IDataObject *pDataObject,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
FIXME(shell, "Stub: This=%p, DataObject=%p\n",This,pDataObject);
return E_NOTIMPL;
}
static HRESULT WINAPI ShellFolderDropTargetImpl_DragOver(
ShellFolderDropTargetImpl *This,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
FIXME(shell, "Stub: This=%p\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI ShellFolderDropTargetImpl_DragLeave(
ShellFolderDropTargetImpl *This)
{
FIXME(shell, "Stub: This=%p\n",This);
return E_NOTIMPL;
}
static HRESULT WINAPI ShellFolderDropTargetImpl_Drop(
ShellFolderDropTargetImpl *This,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
FIXME(shell, "Stub: This=%p\n",This);
return E_NOTIMPL;
}
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