// only one full qualified PIDL has been passed
void CShellContextMenu::SetObjects(LPITEMIDLIST pidl)
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
// full qualified PIDL is passed so we need
// its parent IShellFolder interface and its relative PIDL to that
LPITEMIDLIST pidlItem = NULL;
SHBindToParent ((LPCITEMIDLIST) pidl, IID_IShellFolder, (void **) &m_psfFolder, (LPCITEMIDLIST *) &pidlItem);
m_pidlArray = (LPITEMIDLIST *) malloc (sizeof (LPITEMIDLIST)); // allocate ony for one elemnt
m_pidlArray[0] = CopyPIDL (pidlItem);
// now free pidlItem via IMalloc interface (but not m_psfFolder, that we need later
LPMALLOC lpMalloc = NULL;
SHGetMalloc (&lpMalloc);
lpMalloc->Free (pidlItem);
lpMalloc->Release();
nItems = 1;
bDelete = TRUE; // indicates that m_psfFolder should be deleted by CShellContextMenu
}
void CShellContextMenu::SetObjects(const QStringList &strList)
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
// get IShellFolder interface of Desktop (root of shell namespace)
IShellFolder * psfDesktop = NULL;
SHGetDesktopFolder (&psfDesktop); // needed to obtain full qualified pidl
// ParseDisplayName creates a PIDL from a file system path relative to the IShellFolder interface
// but since we use the Desktop as our interface and the Desktop is the namespace root
// that means that it's a fully qualified PIDL, which is what we need
LPITEMIDLIST pidl = NULL;
psfDesktop->ParseDisplayName (NULL, 0, (LPOLESTR)strList[0].utf16(), NULL, &pidl, NULL);
// now we need the parent IShellFolder interface of pidl, and the relative PIDL to that interface
LPITEMIDLIST pidlItem = NULL; // relative pidl
SHBindToParentEx (pidl, IID_IShellFolder, (void **) &m_psfFolder, NULL);
free (pidlItem);
// get interface to IMalloc (need to free the PIDLs allocated by the shell functions)
LPMALLOC lpMalloc = NULL;
SHGetMalloc (&lpMalloc);
lpMalloc->Free (pidl);
// now we have the IShellFolder interface to the parent folder specified in the first element in strArray
// since we assume that all objects are in the same folder (as it's stated in the MSDN)
// we now have the IShellFolder interface to every objects parent folder
IShellFolder * psfFolder = NULL;
nItems = strList.size ();
for (int i = 0; i < nItems; i++)
{
pidl=0;
psfDesktop->ParseDisplayName (NULL, 0, (LPOLESTR)strList[i].utf16(), NULL, &pidl, NULL);
if (pidl)
{
m_pidlArray = (LPITEMIDLIST *) realloc (m_pidlArray, (i + 1) * sizeof (LPITEMIDLIST));
// get relative pidl via SHBindToParent
SHBindToParentEx (pidl, IID_IShellFolder, (void **) &psfFolder, (LPCITEMIDLIST *) &pidlItem);
m_pidlArray[i] = CopyPIDL (pidlItem); // copy relative pidl to pidlArray
free (pidlItem);
lpMalloc->Free (pidl); // free pidl allocated by ParseDisplayName
psfFolder->Release ();
}
}
lpMalloc->Release ();
psfDesktop->Release ();
bDelete = TRUE; // indicates that m_psfFolder should be deleted by CShellContextMenu
}
CShellContextMenu::~CShellContextMenu()
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
if (m_Menu)
delete m_Menu;
}
CShellContextMenu::~CShellContextMenu()
{
// free all allocated datas
if (m_psfFolder && m_bDelete)
m_psfFolder->Release();
m_psfFolder = NULL;
FreePIDLArray(m_pidlArray);
if (m_hMenu)
DestroyMenu(m_hMenu);
}
// IShellFolder interface with a relative pidl has been passed
void CShellContextMenu::SetObjects(IShellFolder *psfFolder, LPITEMIDLIST pidlItem)
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
m_psfFolder = psfFolder;
m_pidlArray = (LPITEMIDLIST *) malloc (sizeof (LPITEMIDLIST));
m_pidlArray[0] = CopyPIDL (pidlItem);
nItems = 1;
bDelete = FALSE; // indicates wheter m_psfFolder should be deleted by CShellContextMenu
}
void CShellContextMenu::SetObjects(IShellFolder * psfFolder, LPITEMIDLIST *pidlArray, int nItemCount)
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
m_psfFolder = psfFolder;
m_pidlArray = (LPITEMIDLIST *) malloc (nItemCount * sizeof (LPITEMIDLIST));
for (int i = 0; i < nItemCount; i++)
m_pidlArray[i] = CopyPIDL (pidlArray[i]);
nItems = nItemCount;
bDelete = FALSE; // indicates wheter m_psfFolder should be deleted by CShellContextMenu
}
void CShellContextMenu::SetObjects(CString &strArray)
{
// free all allocated datas
if (m_psfFolder && bDelete)
m_psfFolder->Release ();
m_psfFolder = NULL;
FreePIDLArray (m_pidlArray);
m_pidlArray = NULL;
// get IShellFolder interface of Desktop (root of shell namespace)
IShellFolder * psfDesktop = NULL;
SHGetDesktopFolder (&psfDesktop); // needed to obtain full qualified pidl
// ParseDisplayName creates a PIDL from a file system path relative to the IShellFolder interface
// but since we use the Desktop as our interface and the Desktop is the namespace root
// that means that it's a fully qualified PIDL, which is what we need
LPITEMIDLIST pidl = NULL;
#ifndef _UNICODE
OLECHAR * olePath = (OLECHAR *) calloc (strArray.GetLength () + 1, sizeof (OLECHAR));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, (LPCSTR)strArray, -1, olePath, strArray.GetLength () + 1);
psfDesktop->ParseDisplayName (NULL, 0, olePath, NULL, &pidl, NULL);
free (olePath);
#else
psfDesktop->ParseDisplayName (NULL, 0, strArray.GetBuffer (0), NULL, &pidl, NULL);
#endif
// now we need the parent IShellFolder interface of pidl, and the relative PIDL to that interface
LPITEMIDLIST pidlItem = NULL; // relative pidl
SHBindToParentEx (pidl, IID_IShellFolder, (void **) &m_psfFolder, NULL);
free (pidlItem);
// get interface to IMalloc (need to free the PIDLs allocated by the shell functions)
LPMALLOC lpMalloc = NULL;
SHGetMalloc (&lpMalloc);
lpMalloc->Free (pidl);
// now we have the IShellFolder interface to the parent folder specified in the first element in strArray
// since we assume that all objects are in the same folder (as it's stated in the MSDN)
// we now have the IShellFolder interface to every objects parent folder
IShellFolder * psfFolder = NULL;
nItems = 1;
for (int i = 0; i < nItems; i++)
{
#ifndef _UNICODE
olePath = (OLECHAR *) calloc (strArray.GetLength () + 1, sizeof (OLECHAR));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, (strArray), -1, olePath, strArray.GetLength () + 1);
psfDesktop->ParseDisplayName (NULL, 0, olePath, NULL, &pidl, NULL);
free (olePath);
#else
psfDesktop->ParseDisplayName (NULL, 0, strArray.GetBuffer (0), NULL, &pidl, NULL);
#endif
m_pidlArray = (LPITEMIDLIST *) realloc (m_pidlArray, (i + 1) * sizeof (LPITEMIDLIST));
// get relative pidl via SHBindToParent
SHBindToParentEx (pidl, IID_IShellFolder, (void **) &psfFolder, (LPCITEMIDLIST *) &pidlItem);
m_pidlArray[i] = CopyPIDL (pidlItem); // copy relative pidl to pidlArray
free (pidlItem);
lpMalloc->Free (pidl); // free pidl allocated by ParseDisplayName
psfFolder->Release ();
}
lpMalloc->Release ();
psfDesktop->Release ();
bDelete = TRUE; // indicates that m_psfFolder should be deleted by CShellContextMenu
}
void CShellContextMenu::SetPath(const tstring& strPath)
{
// free all allocated datas
if(m_psfFolder && bDelete)
m_psfFolder->Release();
m_psfFolder = NULL;
FreePIDLArray(m_pidlArray);
m_pidlArray = NULL;
// get IShellFolder interface of Desktop(root of shell namespace)
IShellFolder* psfDesktop = NULL;
SHGetDesktopFolder(&psfDesktop);
// ParseDisplayName creates a PIDL from a file system path relative to the IShellFolder interface
// but since we use the Desktop as our interface and the Desktop is the namespace root
// that means that it's a fully qualified PIDL, which is what we need
LPITEMIDLIST pidl = NULL;
psfDesktop->ParseDisplayName(NULL, 0, (LPOLESTR)const_cast<TCHAR*>(strPath.c_str()), NULL, &pidl, NULL);
// now we need the parent IShellFolder interface of pidl, and the relative PIDL to that interface
typedef HRESULT (CALLBACK* LPFUNC)(LPCITEMIDLIST pidl, REFIID riid, void **ppv, LPCITEMIDLIST *ppidlLast);
LPFUNC MySHBindToParent = (LPFUNC)GetProcAddress(LoadLibrary(_T("shell32")), "SHBindToParent");
if(MySHBindToParent == NULL) return;
MySHBindToParent(pidl, IID_IShellFolder, (LPVOID*)&m_psfFolder, NULL);
// get interface to IMalloc (need to free the PIDLs allocated by the shell functions)
LPMALLOC lpMalloc = NULL;
SHGetMalloc(&lpMalloc);
lpMalloc->Free(pidl);
// now we need the relative pidl
IShellFolder* psfFolder = NULL;
HRESULT res = psfDesktop->ParseDisplayName (NULL, 0, (LPOLESTR)const_cast<TCHAR*>(strPath.c_str()), NULL, &pidl, NULL);
if(res != S_OK) return;
LPITEMIDLIST pidlItem = NULL;
SHBindToParent(pidl, IID_IShellFolder, (LPVOID*)&psfFolder, (LPCITEMIDLIST*)&pidlItem);
// copy pidlItem to m_pidlArray
m_pidlArray = (LPITEMIDLIST *) realloc(m_pidlArray, sizeof (LPITEMIDLIST));
int nSize = 0;
LPITEMIDLIST pidlTemp = pidlItem;
if(pidlTemp) //[+]PPA http://iceberg.leschat.net/forum/index.php?s=&showtopic=265&view=findpost&p=26331
while(pidlTemp->mkid.cb)
{
nSize += pidlTemp->mkid.cb;
pidlTemp = (LPITEMIDLIST) (((LPBYTE) pidlTemp) + pidlTemp->mkid.cb);
}
LPITEMIDLIST pidlRet = (LPITEMIDLIST) calloc(nSize + sizeof (USHORT), sizeof (BYTE));
CopyMemory(pidlRet, pidlItem, nSize);
m_pidlArray[0] = pidlRet;
//free(pidlItem);
lpMalloc->Free(pidl);
lpMalloc->Release();
if(psfFolder) //[+]PPA http://iceberg.leschat.net/forum/index.php?showtopic=265&st=2320&#
psfFolder->Release();
psfDesktop->Release();
bDelete = true; // indicates that m_psfFolder should be deleted by CShellContextMenu
}
