std::wstring OsShell::toolTip(std::wstring itemPath)
{
ComInitializer comInitializer;
std::replace(itemPath.begin(), itemPath.end(), '/', '\\');
std::wstring tipString;
ITEMIDLIST * id = 0;
HRESULT result = SHParseDisplayName(itemPath.c_str(), 0, &id, 0, 0);
if (!SUCCEEDED(result) || !id)
return tipString;
CItemIdListReleaser idReleaser (id);
LPCITEMIDLIST child = 0;
IShellFolder * ifolder = 0;
result = SHBindToParent(id, IID_IShellFolder, (void**)&ifolder, &child);
if (!SUCCEEDED(result) || !child)
return tipString;
IQueryInfo* iQueryInfo = 0;
if (SUCCEEDED(ifolder->GetUIObjectOf(NULL, 1, &child, IID_IQueryInfo, 0, (void**)&iQueryInfo)) && iQueryInfo)
{
LPWSTR lpszTip = 0;
CComInterfaceReleaser releaser (iQueryInfo);
if (SUCCEEDED(iQueryInfo->GetInfoTip(0, &lpszTip)) && lpszTip)
{
tipString = lpszTip;
CoTaskMemFree(lpszTip);
}
}
std::replace(tipString.begin(), tipString.end(), '\r', '\n');
return tipString;
}
xpr_bool_t Pidl::getInfotip(LPSHELLFOLDER aShellFolder, LPCITEMIDLIST aPidl, xpr::string &aInfotip)
{
xpr_bool_t sResult = XPR_FALSE;
IQueryInfo *sQueryInfo = XPR_NULL;
HRESULT sComResult;
sComResult = aShellFolder->GetUIObjectOf(
XPR_NULL,
1,
(LPCITEMIDLIST *)&aPidl,
IID_IQueryInfo,
0,
(LPVOID *)&sQueryInfo);
if (SUCCEEDED(sComResult) && XPR_IS_NOT_NULL(sQueryInfo))
{
xpr_wchar_t *sWideInfotip = XPR_NULL;
sComResult = sQueryInfo->GetInfoTip(SHGDN_INFOLDER, &sWideInfotip);
if (SUCCEEDED(sComResult) && XPR_IS_NOT_NULL(sWideInfotip))
{
xpr_size_t sInfotipLen = wcslen(sWideInfotip);
if (sInfotipLen != 0)
{
aInfotip.clear();
aInfotip.reserve(sInfotipLen + 1);
xpr_tchar_t *sInfotip = (xpr_tchar_t *)aInfotip.c_str();
xpr_size_t sInputBytes = sInfotipLen * sizeof(xpr_wchar_t);
xpr_size_t sOutputBytes = sInfotipLen * sizeof(xpr_tchar_t);
XPR_UTF16_TO_TCS(sWideInfotip, &sInputBytes, sInfotip, &sOutputBytes);
sInfotip[sOutputBytes / sizeof(xpr_tchar_t)] = 0;
aInfotip.update();
sResult = XPR_TRUE;
}
}
COM_FREE(sWideInfotip);
}
COM_RELEASE(sQueryInfo);
return sResult;
}
