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hopefully the last fix for _SHGetPathFromIDListA/W() to be compatible with MS Windows and make control panel icons reappear

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svn path=/trunk/; revision=7495
This commit is contained in:
Martin Fuchs 2004-01-06 22:40:53 +00:00
parent 4f28875a40
commit c7b79d1742
2 changed files with 33 additions and 44 deletions
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63
reactos/lib/shell32/pidl.c
View file

@ -1297,16 +1297,17 @@ HRESULT _SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
LPSTR pstr;
LPSTR end = pszPath + uOutSize;
if (_ILIsMyComputer(pidl)) { /* optimized loop to retrieve file system paths */
/* If the item ID list begins at "My Computer", we can use
an optimized loop to retrieve file system paths. */
if (_ILIsMyComputer(pidl)) {
LPCITEMIDLIST p = ILGetNext(pidl);
LPSTR txt;
pstr = pszPath;
end = pszPath + MAX_PATH;
while(p && p->mkid.cb && pstr<end) {
if (_ILIsSpecialFolder(p))
break;
return E_INVALIDARG;
txt = _ILGetTextPointer(p);
if (!txt)
@ -1329,33 +1330,26 @@ HRESULT _SHGetPathFromIDListA(LPCITEMIDLIST pidl, LPSTR pszPath, UINT uOutSize)
pstr = pszPath;
hr = SHGetDesktopFolder(&desktop);
/* The only other valid case is a simple PIDL rooted at desktop level */
if (_ILIsValue(pidl) && _ILIsPidlSimple(pidl)) {
hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr)) {
if (_ILIsValue(pidl)) {
if (SUCCEEDED(hr)) {
hr = SHGetSpecialFolderPathA(0, pszPath, CSIDL_DESKTOP, FALSE);
if (SUCCEEDED(hr)) {
pstr = PathAddBackslashA(pszPath);
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &str);
}
IShellFolder_Release(desktop);
}
else
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &str);
} else
return E_INVALIDARG;
IShellFolder_Release(desktop);
}
if (SUCCEEDED(hr)) {
if (SUCCEEDED(hr))
hr = StrRetToStrNA(pstr, end-pstr, &str, pidl);
/* don't allow to return displaynames of the form "::{guid}" */
if (pstr[0]==':' && pstr[1]==':') {
*pszPath = '\0';
hr = E_FAIL;
}
}
TRACE_(shell)("-- %s, 0x%08lx\n",pszPath, hr);
return hr;
}
@ -1401,7 +1395,9 @@ HRESULT _SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
LPWSTR pstr;
LPWSTR end = pszPath + uOutSize;
if (_ILIsMyComputer(pidl)) { /* optimized loop to retrieve file system paths */
/* If the item ID list begins at "My Computer", we can use
an optimized loop to retrieve file system paths. */
if (_ILIsMyComputer(pidl)) {
LPCITEMIDLIST p = ILGetNext(pidl);
LPSTR txt;
@ -1409,7 +1405,7 @@ HRESULT _SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
while(p && p->mkid.cb && pstr<end) {
if (_ILIsSpecialFolder(p))
break;
return E_INVALIDARG;
txt = _ILGetTextPointer(p);
if (!txt)
@ -1433,33 +1429,26 @@ HRESULT _SHGetPathFromIDListW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
pstr = pszPath;
hr = SHGetDesktopFolder(&desktop);
/* The only other valid case is a simple PIDL rooted at desktop level */
if (_ILIsValue(pidl) && _ILIsPidlSimple(pidl)) {
hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr)) {
if (_ILIsValue(pidl)) {
if (SUCCEEDED(hr)) {
hr = SHGetSpecialFolderPathW(0, pszPath, CSIDL_DESKTOP, FALSE);
if (SUCCEEDED(hr)) {
pstr = PathAddBackslashW(pszPath);
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &str);
}
IShellFolder_Release(desktop);
}
else
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &str);
} else
return E_INVALIDARG;
IShellFolder_Release(desktop);
}
if (SUCCEEDED(hr)) {
if (SUCCEEDED(hr))
hr = StrRetToStrNW(pstr, end-pstr, &str, pidl);
/* don't allow to return displaynames of the form "::{guid}" */
if (pstr[0]==':' && pstr[1]==':') {
*pszPath = '\0';
hr = E_FAIL;
}
}
TRACE_(shell)("-- %s, 0x%08lx\n",debugstr_w(pszPath), hr);
return hr;
}

14
reactos/lib/shell32/shlcpanel.c
View file

@ -76,13 +76,13 @@ static ICOM_VTABLE(IShellExecuteHookW) vt_ShellExecuteHookW;
static ICOM_VTABLE(IShellExecuteHookA) vt_ShellExecuteHookA;
#define _IPersistFolder2_Offset ((int)(&(((ICPanelImpl*)0)->lpVtblPersistFolder2)))
#define _ICOM_THIS_From_IPersistFolder2(class, name) class* This =(class*)(((char*)name)-_IPersistFolder2_Offset);
#define _ICOM_THIS_From_IPersistFolder2(class, name) class* This = (class*)(((char*)name)-_IPersistFolder2_Offset);
#define IShellExecuteHookW_Offset ((int)(&(((ICPanelImpl*)0)->lpVtblShellExecuteHookW)))
#define _ICOM_THIS_From_IShellExecuteHookW(class, name) class* This =(class*)(((char*)name)-IShellExecuteHookW_Offset);
#define _ICOM_THIS_From_IShellExecuteHookW(class, name) class* This = (class*)(((char*)name)-IShellExecuteHookW_Offset);
#define IShellExecuteHookA_Offset ((int)(&(((ICPanelImpl*)0)->lpVtblShellExecuteHookA)))
#define _ICOM_THIS_From_IShellExecuteHookA(class, name) class* This =(class*)(((char*)name)-IShellExecuteHookA_Offset);
#define _ICOM_THIS_From_IShellExecuteHookA(class, name) class* This = (class*)(((char*)name)-IShellExecuteHookA_Offset);
/*
@ -381,19 +381,19 @@ ISF_ControlPanel_fnGetUIObjectOf(IShellFolder2 * iface,
*ppvOut = NULL;
if (IsEqualIID(riid, &IID_IContextMenu) &&(cidl >= 1)) {
pObj =(LPUNKNOWN) ISvItemCm_Constructor((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
pObj = (LPUNKNOWN) ISvItemCm_Constructor((IShellFolder *) iface, This->pidlRoot, apidl, cidl);
hr = S_OK;
} else if (IsEqualIID(riid, &IID_IDataObject) &&(cidl >= 1)) {
pObj =(LPUNKNOWN) IDataObject_Constructor(hwndOwner, This->pidlRoot, apidl, cidl);
pObj = (LPUNKNOWN) IDataObject_Constructor(hwndOwner, This->pidlRoot, apidl, cidl);
hr = S_OK;
} else if (IsEqualIID(riid, &IID_IExtractIconA) &&(cidl == 1)) {
pidl = ILCombine(This->pidlRoot, apidl[0]);
pObj =(LPUNKNOWN) IExtractIconA_Constructor(pidl);
pObj = (LPUNKNOWN) IExtractIconA_Constructor(pidl);
SHFree(pidl);
hr = S_OK;
} else if (IsEqualIID(riid, &IID_IExtractIconW) &&(cidl == 1)) {
pidl = ILCombine(This->pidlRoot, apidl[0]);
pObj =(LPUNKNOWN) IExtractIconW_Constructor(pidl);
pObj = (LPUNKNOWN) IExtractIconW_Constructor(pidl);
SHFree(pidl);
hr = S_OK;
} else if ((IsEqualIID(riid,&IID_IShellLinkW) || IsEqualIID(riid,&IID_IShellLinkA))