753 lines
18 KiB
C
753 lines
18 KiB
C
#include <windows.h>
|
|
#include <shlobj.h>
|
|
#include "debug.h"
|
|
#include "idlist.h"
|
|
|
|
#include "common.h"
|
|
|
|
#ifdef DEBUG
|
|
// Dugging aids for making sure we dont use free pidls
|
|
#define VALIDATE_PIDL(pidl) Assert((pidl)->mkid.cb != 0xC5C5)
|
|
#else
|
|
#define VALIDATE_PIDL(pidl)
|
|
#endif
|
|
|
|
|
|
// BUGBUG: should call shell alocator
|
|
#define SHAlloc(cb) (void *)LocalAlloc(LPTR, cb)
|
|
#define SHFree(p) LocalFree((HLOCAL)p)
|
|
#define SHGetSize(p) LocalSize((HLOCAL)p)
|
|
#define SHRealloc(p, cb) (void *)LocalReAlloc((HLOCAL)p, cb, LMEM_MOVEABLE | LMEM_ZEROINIT)
|
|
|
|
LPITEMIDLIST ILGetNext(LPCITEMIDLIST pidl)
|
|
{
|
|
if (pidl && pidl->mkid.cb)
|
|
{
|
|
VALIDATE_PIDL(pidl);
|
|
return _ILNext(pidl);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
UINT ILGetSize(LPCITEMIDLIST pidl)
|
|
{
|
|
UINT cbTotal = 0;
|
|
if (pidl)
|
|
{
|
|
VALIDATE_PIDL(pidl);
|
|
cbTotal += sizeof(pidl->mkid.cb); // Null terminator
|
|
while (pidl->mkid.cb)
|
|
{
|
|
cbTotal += pidl->mkid.cb;
|
|
pidl = _ILNext(pidl);
|
|
}
|
|
}
|
|
|
|
return cbTotal;
|
|
}
|
|
|
|
#define CBIDL_MIN 256
|
|
#define CBIDL_INCL 256
|
|
|
|
LPITEMIDLIST _ILCreate(UINT cbSize)
|
|
{
|
|
return (LPITEMIDLIST)SHAlloc(cbSize);
|
|
}
|
|
|
|
LPITEMIDLIST ILCreate()
|
|
{
|
|
return (LPITEMIDLIST)SHAlloc(CBIDL_MIN);
|
|
}
|
|
|
|
/*
|
|
** _ILResize
|
|
*
|
|
* PARAMETERS:
|
|
* cbExtra is the amount to add to cbRequired if the block needs to grow,
|
|
* or it is 0 if we want to resize to the exact size
|
|
*
|
|
* DESCRIPTION:
|
|
*
|
|
* RETURNS:
|
|
*
|
|
*/
|
|
|
|
LPITEMIDLIST _ILResize(LPITEMIDLIST pidl, UINT cbRequired, UINT cbExtra)
|
|
{
|
|
if (pidl==NULL)
|
|
{
|
|
pidl = _ILCreate(cbRequired+cbExtra);
|
|
}
|
|
else if (!cbExtra || SHGetSize(pidl) < cbRequired)
|
|
{
|
|
pidl = (LPITEMIDLIST)SHRealloc(pidl, cbRequired+cbExtra);
|
|
}
|
|
return pidl;
|
|
}
|
|
|
|
LPITEMIDLIST ILFindLastID(LPCITEMIDLIST pidl)
|
|
{
|
|
LPCITEMIDLIST pidlLast = pidl;
|
|
LPCITEMIDLIST pidlNext = pidl;
|
|
|
|
VALIDATE_PIDL(pidl);
|
|
if (pidl == NULL)
|
|
return NULL;
|
|
|
|
// Find the last one
|
|
while (pidlNext->mkid.cb)
|
|
{
|
|
pidlLast = pidlNext;
|
|
pidlNext = _ILNext(pidlLast);
|
|
}
|
|
|
|
return (LPITEMIDLIST)pidlLast;
|
|
}
|
|
|
|
|
|
BOOL ILRemoveLastID(LPITEMIDLIST pidl)
|
|
{
|
|
BOOL fRemoved = FALSE;
|
|
|
|
if (pidl == NULL)
|
|
return(FALSE);
|
|
|
|
if (pidl->mkid.cb)
|
|
{
|
|
LPITEMIDLIST pidlLast = (LPITEMIDLIST)ILFindLastID(pidl);
|
|
|
|
Assert(pidlLast->mkid.cb);
|
|
Assert(_ILNext(pidlLast)->mkid.cb==0);
|
|
|
|
// Remove the last one
|
|
pidlLast->mkid.cb = 0; // null-terminator
|
|
fRemoved = TRUE;
|
|
}
|
|
|
|
return fRemoved;
|
|
}
|
|
|
|
LPITEMIDLIST ILClone(LPCITEMIDLIST pidl)
|
|
{
|
|
UINT cb = ILGetSize(pidl);
|
|
LPITEMIDLIST pidlRet = (LPITEMIDLIST)SHAlloc(cb);
|
|
|
|
if (pidlRet)
|
|
{
|
|
// Notes: no need to zero-init.
|
|
CopyMemory(pidlRet, pidl, cb);
|
|
}
|
|
return pidlRet;
|
|
}
|
|
|
|
LPITEMIDLIST ILCloneFirst(LPCITEMIDLIST pidl)
|
|
{
|
|
UINT cb = pidl->mkid.cb+sizeof(pidl->mkid.cb);
|
|
LPITEMIDLIST pidlRet = (LPITEMIDLIST)SHAlloc(cb);
|
|
if (pidlRet)
|
|
{
|
|
// Notes: no need to zero-init.
|
|
CopyMemory(pidlRet, pidl, pidl->mkid.cb);
|
|
_ILNext(pidlRet)->mkid.cb = 0;
|
|
}
|
|
|
|
return pidlRet;
|
|
}
|
|
|
|
BOOL ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
|
|
{
|
|
IShellFolder *psfDesktop;
|
|
|
|
if (FAILED(SHGetDesktopFolder(&psfDesktop)))
|
|
return FALSE;
|
|
|
|
VALIDATE_PIDL(pidl1);
|
|
VALIDATE_PIDL(pidl2);
|
|
return psfDesktop->lpVtbl->CompareIDs(psfDesktop, 0, pidl1, pidl2) == 0;
|
|
}
|
|
|
|
// test if
|
|
// pidl1 is a parent of pidl2
|
|
|
|
BOOL ILIsParent(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2, BOOL fImmediate)
|
|
{
|
|
LPITEMIDLIST pidl2Prefix;
|
|
UINT cb;
|
|
LPCITEMIDLIST pidl1T;
|
|
LPCITEMIDLIST pidl2T;
|
|
|
|
VALIDATE_PIDL(pidl1);
|
|
VALIDATE_PIDL(pidl2);
|
|
|
|
if (!pidl1 || !pidl2)
|
|
return FALSE;
|
|
|
|
for (pidl1T = pidl1, pidl2T = pidl2; !ILIsEmpty(pidl1T);
|
|
pidl1T = _ILNext(pidl1T), pidl2T = _ILNext(pidl2T))
|
|
{
|
|
// if pidl2 is shorter than pidl1, pidl1 can't be its parent.
|
|
if (ILIsEmpty(pidl2T))
|
|
return FALSE;
|
|
}
|
|
|
|
if (fImmediate)
|
|
{
|
|
// If fImmediate is TRUE, pidl2T should contain exactly one ID.
|
|
if (ILIsEmpty(pidl2T) || !ILIsEmpty(_ILNext(pidl2T)))
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// Create a new IDList from a portion of pidl2, which contains the
|
|
// same number of IDs as pidl1.
|
|
//
|
|
cb = (UINT)pidl2T - (UINT)pidl2;
|
|
pidl2Prefix = _ILCreate(cb + sizeof(pidl2->mkid.cb));
|
|
if (pidl2Prefix)
|
|
{
|
|
BOOL fRet;
|
|
|
|
CopyMemory(pidl2Prefix, pidl2, cb);
|
|
|
|
Assert(ILGetSize(pidl2Prefix) == cb + sizeof(pidl2->mkid.cb));
|
|
|
|
fRet = ILIsEqual(pidl1, pidl2Prefix);
|
|
|
|
ILFree(pidl2Prefix);
|
|
|
|
return fRet;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
// this returns a pointer to the child id ie:
|
|
// given pidlParent = \chicago\desktop
|
|
// pidlChild = \chicago\desktop\foo\bar
|
|
// the return will point to the ID that represents \foo\bar
|
|
// NULL is returned if pidlParent is not a parent of pidlChild
|
|
LPITEMIDLIST ILFindChild(LPCITEMIDLIST pidlParent, LPCITEMIDLIST pidlChild)
|
|
{
|
|
if (ILIsParent(pidlParent, pidlChild, FALSE))
|
|
{
|
|
while (!ILIsEmpty(pidlParent))
|
|
{
|
|
pidlChild = _ILNext(pidlChild);
|
|
pidlParent = _ILNext(pidlParent);
|
|
}
|
|
return (LPITEMIDLIST)pidlChild;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
LPITEMIDLIST ILCombine(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
|
|
{
|
|
LPITEMIDLIST pidlNew;
|
|
UINT cb1 = ILGetSize(pidl1) - sizeof(pidl1->mkid.cb);
|
|
UINT cb2 = ILGetSize(pidl2);
|
|
|
|
VALIDATE_PIDL(pidl1);
|
|
VALIDATE_PIDL(pidl2);
|
|
pidlNew = _ILCreate(cb1 + cb2);
|
|
if (pidlNew)
|
|
{
|
|
CopyMemory(pidlNew, pidl1, cb1);
|
|
CopyMemory(((LPSTR)pidlNew) + cb1, pidl2, cb2);
|
|
Assert(ILGetSize(pidlNew) == cb1+cb2);
|
|
}
|
|
return pidlNew;
|
|
}
|
|
|
|
void ILFree(LPITEMIDLIST pidl)
|
|
{
|
|
if (pidl)
|
|
{
|
|
#ifdef DEBUG
|
|
UINT cbSize = SHGetSize(pidl);
|
|
VALIDATE_PIDL(pidl);
|
|
|
|
// Fill the memory with some bad value...
|
|
_memset(pidl, 0xE5, cbSize);
|
|
|
|
// If large enough try to save the call return address of who
|
|
// freed us in the 3-6 byte of the structure.
|
|
if (cbSize >= 6)
|
|
*((UINT*)((LPSTR)pidl + 2)) = *(((UINT*)&pidl) - 1);
|
|
|
|
#endif
|
|
SHFree(pidl);
|
|
}
|
|
}
|
|
|
|
LPITEMIDLIST ILCreateFromPath(LPCSTR pszPath)
|
|
{
|
|
LPITEMIDLIST pidl = NULL;
|
|
IShellFolder *psfDesktop;
|
|
if (SUCCEEDED(SHGetDesktopFolder(&psfDesktop)))
|
|
{
|
|
ULONG cchEaten;
|
|
WCHAR wszPath[MAX_PATH];
|
|
|
|
StrToOleStrN(wszPath, ARRAYSIZE(wszPath), pszPath, -1);
|
|
|
|
psfDesktop->lpVtbl->ParseDisplayName(psfDesktop, NULL, NULL, wszPath, &cchEaten, &pidl, NULL);
|
|
}
|
|
return pidl;
|
|
}
|
|
|
|
//===========================================================================
|
|
// IDLIST: Stream access
|
|
// BUGBUG: check bytes read on Read calls?
|
|
//===========================================================================
|
|
|
|
HRESULT ILLoadFromStream(LPSTREAM pstm, LPITEMIDLIST * ppidl)
|
|
{
|
|
HRESULT hres;
|
|
ULONG cb;
|
|
|
|
Assert(ppidl);
|
|
|
|
// Delete the old one if any.
|
|
if (*ppidl)
|
|
{
|
|
ILFree(*ppidl);
|
|
*ppidl = NULL;
|
|
}
|
|
|
|
// Read the size of the IDLIST
|
|
cb = 0; // WARNING: We need to fill its HIWORD!
|
|
hres = pstm->lpVtbl->Read(pstm, &cb, sizeof(USHORT), NULL); // Yes, USHORT
|
|
if (SUCCEEDED(hres) && cb)
|
|
{
|
|
// Create a IDLIST
|
|
LPITEMIDLIST pidl = _ILCreate(cb);
|
|
if (pidl)
|
|
{
|
|
// Read its contents
|
|
hres = pstm->lpVtbl->Read(pstm, pidl, cb, NULL);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
*ppidl = pidl;
|
|
}
|
|
else
|
|
{
|
|
ILFree(pidl);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hres = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
// BUGBUG: check bytes written on Write calls?
|
|
|
|
HRESULT ILSaveToStream(LPSTREAM pstm, LPCITEMIDLIST pidl)
|
|
{
|
|
HRESULT hres;
|
|
ULONG cb = ILGetSize(pidl);
|
|
Assert(HIWORD(cb) == 0);
|
|
hres = pstm->lpVtbl->Write(pstm, &cb, sizeof(USHORT), NULL); // Yes, USHORT
|
|
if (SUCCEEDED(hres) && cb)
|
|
{
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
hres = pstm->lpVtbl->Write(pstm, pidl, cb, NULL);
|
|
}
|
|
}
|
|
|
|
return hres;
|
|
}
|
|
|
|
#ifdef _HIDA
|
|
|
|
//===========================================================================
|
|
// IDLARRAY stuff
|
|
//===========================================================================
|
|
|
|
#define HIDA_GetPIDLFolder(pida) (LPCITEMIDLIST)(((LPBYTE)pida)+(pida)->aoffset[0])
|
|
#define HIDA_GetPIDLItem(pida, i) (LPCITEMIDLIST)(((LPBYTE)pida)+(pida)->aoffset[i+1])
|
|
|
|
|
|
HIDA HIDA_Create(LPCITEMIDLIST pidlFolder, UINT cidl, LPCITEMIDLIST * apidl)
|
|
{
|
|
HIDA hida;
|
|
UINT i;
|
|
UINT offset = sizeof(CIDA) + sizeof(UINT)*cidl;
|
|
UINT cbTotal = offset + ILGetSize(pidlFolder);
|
|
for (i=0; i<cidl ; i++) {
|
|
cbTotal += ILGetSize(apidl[i]);
|
|
}
|
|
|
|
hida = GlobalAlloc(GPTR, cbTotal); // This MUST be GlobalAlloc!!!
|
|
if (hida)
|
|
{
|
|
LPIDA pida = (LPIDA)hida; // no need to lock
|
|
|
|
LPCITEMIDLIST pidlNext;
|
|
pida->cidl = cidl;
|
|
|
|
for (i=0, pidlNext=pidlFolder; ; pidlNext=apidl[i++])
|
|
{
|
|
UINT cbSize = ILGetSize(pidlNext);
|
|
pida->aoffset[i] = offset;
|
|
CopyMemory(((LPBYTE)pida)+offset, pidlNext, cbSize);
|
|
offset += cbSize;
|
|
|
|
Assert(ILGetSize(HIDA_GetPIDLItem(pida,i-1)) == cbSize);
|
|
|
|
if (i==cidl)
|
|
break;
|
|
}
|
|
|
|
Assert(offset == cbTotal);
|
|
}
|
|
|
|
return hida;
|
|
}
|
|
|
|
HIDA HIDA_Create2(LPVOID pida, UINT cb)
|
|
{
|
|
HIDA hida = GlobalAlloc(GPTR, cb);
|
|
if (hida)
|
|
{
|
|
CopyMemory((LPIDA)hida, pida, cb); // no need to lock
|
|
}
|
|
return hida;
|
|
}
|
|
|
|
HIDA HIDA_Clone(HIDA hida)
|
|
{
|
|
UINT cbTotal = GlobalSize(hida);
|
|
HIDA hidaCopy = GlobalAlloc(GPTR, cbTotal);
|
|
if (hidaCopy)
|
|
{
|
|
LPIDA pida = (LPIDA)GlobalLock(hida);
|
|
CopyMemory((LPIDA)hidaCopy, pida, cbTotal); // no need to lock
|
|
GlobalUnlock(hida);
|
|
}
|
|
return hidaCopy;
|
|
}
|
|
|
|
UINT HIDA_GetCount(HIDA hida)
|
|
{
|
|
UINT count = 0;
|
|
LPIDA pida = (LPIDA)GlobalLock(hida);
|
|
if (pida) {
|
|
count = pida->cidl;
|
|
GlobalUnlock(hida);
|
|
}
|
|
return count;
|
|
}
|
|
|
|
UINT HIDA_GetIDList(HIDA hida, UINT i, LPITEMIDLIST pidlOut, UINT cbMax)
|
|
{
|
|
LPIDA pida = (LPIDA)GlobalLock(hida);
|
|
if (pida)
|
|
{
|
|
LPCITEMIDLIST pidlFolder = HIDA_GetPIDLFolder(pida);
|
|
LPCITEMIDLIST pidlItem = HIDA_GetPIDLItem(pida, i);
|
|
UINT cbFolder = ILGetSize(pidlFolder)-sizeof(USHORT);
|
|
UINT cbItem = ILGetSize(pidlItem);
|
|
if (cbMax < cbFolder+cbItem) {
|
|
if (pidlOut) {
|
|
pidlOut->mkid.cb = 0;
|
|
}
|
|
} else {
|
|
CopyMemory(pidlOut, pidlFolder, cbFolder);
|
|
CopyMemory(((LPBYTE)pidlOut)+cbFolder, pidlItem, cbItem);
|
|
}
|
|
GlobalUnlock(hida);
|
|
|
|
return (cbFolder+cbItem);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// This one reallocated pidl if necessary. NULL is valid to pass in as pidl.
|
|
//
|
|
LPITEMIDLIST HIDA_FillIDList(HIDA hida, UINT i, LPITEMIDLIST pidl)
|
|
{
|
|
UINT cbRequired = HIDA_GetIDList(hida, i, NULL, 0);
|
|
pidl = _ILResize(pidl, cbRequired, 32); // extra 32-byte if we realloc
|
|
if (pidl)
|
|
{
|
|
HIDA_GetIDList(hida, i, pidl, cbRequired);
|
|
}
|
|
|
|
return pidl;
|
|
}
|
|
|
|
LPCITEMIDLIST IDA_GetIDListPtr(LPIDA pida, UINT i)
|
|
{
|
|
if (i == (UINT)-1 || i < pida->cidl)
|
|
{
|
|
return HIDA_GetPIDLItem(pida, i);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
LPITEMIDLIST IDA_ILClone(LPIDA pida, UINT i)
|
|
{
|
|
if (i < pida->cidl)
|
|
return ILCombine(HIDA_GetPIDLFolder(pida), HIDA_GetPIDLItem(pida, i));
|
|
return NULL;
|
|
}
|
|
|
|
LPITEMIDLIST HIDA_ILClone(HIDA hida, UINT i)
|
|
{
|
|
LPIDA pida = (LPIDA)GlobalLock(hida);
|
|
if (pida)
|
|
{
|
|
LPITEMIDLIST pidl = IDA_ILClone(pida, i);
|
|
GlobalUnlock(hida);
|
|
return pidl;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void HIDA_ReleaseStgMedium(LPIDA pida, STGMEDIUM *pmedium)
|
|
{
|
|
if (pmedium->hGlobal && (pmedium->tymed==TYMED_HGLOBAL))
|
|
{
|
|
#ifdef DEBUG
|
|
if (pida)
|
|
{
|
|
LPIDA pidaT = (LPIDA)GlobalLock(pmedium->hGlobal);
|
|
Assert(pidaT == pida);
|
|
GlobalUnlock(pmedium->hGlobal);
|
|
}
|
|
#endif
|
|
GlobalUnlock(pmedium->hGlobal);
|
|
}
|
|
else
|
|
{
|
|
Assert(0);
|
|
}
|
|
|
|
SHReleaseStgMedium(pmedium);
|
|
}
|
|
|
|
#endif // _HIDA
|
|
|
|
BOOL StrRetToStrN(LPSTR szOut, UINT uszOut, LPSTRRET pStrRet, LPCITEMIDLIST pidl)
|
|
{
|
|
switch (pStrRet->uType)
|
|
{
|
|
case STRRET_WSTR:
|
|
OleStrToStrN(szOut, uszOut, pStrRet->pOleStr, -1);
|
|
SHFree(pStrRet->pOleStr);
|
|
break;
|
|
|
|
case STRRET_CSTR:
|
|
lstrcpyn(szOut, pStrRet->cStr, uszOut);
|
|
break;
|
|
|
|
case STRRET_OFFSET:
|
|
if (pidl)
|
|
{
|
|
lstrcpyn(szOut, ((LPCSTR)&pidl->mkid)+pStrRet->uOffset, uszOut);
|
|
break;
|
|
}
|
|
|
|
// Fall through
|
|
default:
|
|
if (uszOut)
|
|
*szOut = '\0';
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#if 0
|
|
//
|
|
// This is a helper function to be called from within IShellFolder::CompareIDs.
|
|
// When the first IDs of pidl1 and pidl2 are the (logically) same.
|
|
//
|
|
// Required:
|
|
// psf && pidl1 && pidl2 && !ILEmpty(pidl1) && !ILEmpty(pidl2)
|
|
//
|
|
HRESULT ILCompareRelIDs(IShellFolder *psfParent, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
|
|
{
|
|
HRESULT hres;
|
|
LPCITEMIDLIST pidlRel1 = _ILNext(pidl1);
|
|
LPCITEMIDLIST pidlRel2 = _ILNext(pidl2);
|
|
if (ILIsEmpty(pidlRel1))
|
|
{
|
|
if (ILIsEmpty(pidlRel2)) {
|
|
hres = 0;
|
|
} else {
|
|
hres = (HRESULT)-1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (ILIsEmpty(pidlRel2))
|
|
{
|
|
hres = 1;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Neither pidlRel1 nor pidlRel2 is empty.
|
|
// (1) Bind to the next level of the IShellFolder
|
|
// (2) Call its CompareIDs to let it compare the rest of IDs.
|
|
//
|
|
// Notes: We should create pidlNext not from pidl2 but from pidl1
|
|
// because fstreex.c may pass simple pidl2.
|
|
//
|
|
LPITEMIDLIST pidlNext = ILClone(pidl1);
|
|
if (pidlNext)
|
|
{
|
|
IShellFolder *psfNext;
|
|
_ILNext(pidlNext)->mkid.cb = 0;
|
|
hres = psfParent->lpVtbl->BindToObject(psfParent, pidlNext, NULL,
|
|
&IID_IShellFolder, &psfNext);
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
hres = psfNext->lpVtbl->CompareIDs(psfNext, 0, pidlRel1, pidlRel2);
|
|
psfNext->lpVtbl->Release(psfNext);
|
|
}
|
|
ILFree(pidlNext);
|
|
}
|
|
else
|
|
{
|
|
hres = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
}
|
|
return hres;
|
|
}
|
|
|
|
void StrRetFormat(LPSTRRET pStrRet, LPCITEMIDLIST pidlRel, LPCSTR pszTemplate, LPCSTR pszAppend)
|
|
{
|
|
LPSTR pszRet;
|
|
char szT[MAX_PATH];
|
|
|
|
StrRetToStrN(szT, sizeof(szT), pStrRet, pidlRel);
|
|
pszRet = ShellConstructMessageString(HINST_THISDLL, pszTemplate, pszAppend, szT);
|
|
if (pszRet)
|
|
{
|
|
pStrRet->uType = STRRET_CSTR;
|
|
lstrcpyn(pStrRet->cStr, pszRet, sizeof(pStrRet->cStr));
|
|
Free(pszRet);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Notes: This one passes SHGDN_FORMARSING to ISF::GetDisplayNameOf.
|
|
//
|
|
HRESULT ILGetRelDisplayName(IShellFolder *psf, LPSTRRET pStrRet,
|
|
LPCITEMIDLIST pidlRel, LPCSTR pszName,
|
|
LPCSTR pszTemplate)
|
|
{
|
|
HRESULT hres;
|
|
LPITEMIDLIST pidlLeft = ILCloneFirst(pidlRel);
|
|
|
|
if (pidlLeft)
|
|
{
|
|
IShellFolder *psfNext;
|
|
hres = psf->lpVtbl->BindToObject(psf, pidlLeft, NULL,
|
|
&IID_IShellFolder, &psfNext);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
LPCITEMIDLIST pidlRight = _ILNext(pidlRel);
|
|
hres = psfNext->lpVtbl->GetDisplayNameOf(psfNext, pidlRight, SHGDN_INFOLDER|SHGDN_FORPARSING, pStrRet);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
if (pszTemplate)
|
|
{
|
|
StrRetFormat(pStrRet, pidlRight, pszTemplate, pszName);
|
|
}
|
|
else
|
|
{
|
|
hres = StrRetCatLeft(pszName, pStrRet, pidlRight);
|
|
}
|
|
}
|
|
psfNext->lpVtbl->Release(psfNext);
|
|
}
|
|
|
|
ILFree(pidlLeft);
|
|
}
|
|
else
|
|
{
|
|
hres = E_OUTOFMEMORY;
|
|
}
|
|
return hres;
|
|
}
|
|
|
|
LPITEMIDLIST ILAppendID(LPITEMIDLIST pidl, LPCSHITEMID pmkid, BOOL fAppend)
|
|
{
|
|
UINT cbUsed, cbRequired;
|
|
|
|
// Create the ID list, if it is not given.
|
|
if (!pidl)
|
|
{
|
|
pidl = ILCreate();
|
|
if (!pidl)
|
|
return NULL; // memory overflow
|
|
}
|
|
|
|
cbUsed = ILGetSize(pidl);
|
|
cbRequired = cbUsed + pmkid->cb;
|
|
|
|
pidl = _ILResize(pidl, cbRequired, CBIDL_INCL);
|
|
if (!pidl)
|
|
return NULL; // memory overflow
|
|
|
|
if (fAppend)
|
|
{
|
|
// Append it.
|
|
CopyMemory(_ILSkip(pidl, cbUsed-sizeof(pidl->mkid.cb)), pmkid, pmkid->cb);
|
|
}
|
|
else
|
|
{
|
|
// Put it at the top
|
|
MoveMemory(_ILSkip(pidl, pmkid->cb), pidl, cbUsed);
|
|
CopyMemory(pidl, pmkid, pmkid->cb);
|
|
|
|
Assert(ILGetSize(_ILNext(pidl))==cbUsed);
|
|
}
|
|
|
|
// We must put zero-terminator because of LMEM_ZEROINIT.
|
|
_ILSkip(pidl, cbRequired-sizeof(pidl->mkid.cb))->mkid.cb = 0;
|
|
Assert(ILGetSize(pidl) == cbRequired);
|
|
|
|
return pidl;
|
|
}
|
|
|
|
|
|
BOOL ILGetDisplayName(LPCITEMIDLIST pidl, LPSTR pszPath)
|
|
{
|
|
BOOL fSuccess = FALSE; // assume error
|
|
STRRET srName;
|
|
IShellFolder *psfDesktop;
|
|
|
|
SHGetDesktopFolder(&psfDesktop);
|
|
|
|
VALIDATE_PIDL(pidl);
|
|
if (SUCCEEDED(psfDesktop->lpVtbl->GetDisplayNameOf(psfDesktop, pidl, SHGDN_FORPARSING, &srName)))
|
|
{
|
|
StrRetToStrN(pszPath, MAX_PATH, &srName, pidl);
|
|
fSuccess = TRUE;
|
|
}
|
|
|
|
return fSuccess;
|
|
}
|
|
|
|
|
|
|
|
#endif // not used
|
|
|
|
|
|
|