CKeyTransformBCrypt::CKeyTransformBCrypt()
{
if(m_bEnableBCrypt == FALSE) { m_hLib = NULL; return; }
// BCrypt.dll is only supported on >= Vista
if(AU_IsAtLeastWinVistaSystem() == FALSE) { m_hLib = NULL; return; }
m_hLib = AU_LoadLibrary(BCRYPT_DLLNAME);
if(m_hLib == NULL) return;
m_lpBCryptOpenAlgorithmProvider = (LPBCRYPTOPENALGORITHMPROVIDER)
GetProcAddress(m_hLib, BCFN_OAP);
m_lpBCryptCloseAlgorithmProvider = (LPBCRYPTCLOSEALGORITHMPROVIDER)
GetProcAddress(m_hLib, BCFN_CAP);
m_lpBCryptGetProperty = (LPBCRYPTGETPROPERTY)GetProcAddress(m_hLib, BCFN_GP);
m_lpBCryptSetProperty = (LPBCRYPTSETPROPERTY)GetProcAddress(m_hLib, BCFN_SP);
m_lpBCryptGenerateSymmetricKey = (LPBCRYPTGENERATESYMMETRICKEY)
GetProcAddress(m_hLib, BCFN_GSK);
m_lpBCryptImportKey = (LPBCRYPTIMPORTKEY)GetProcAddress(m_hLib, BCFN_IK);
m_lpBCryptDestroyKey = (LPBCRYPTDESTROYKEY)GetProcAddress(m_hLib, BCFN_DK);
m_lpBCryptEncrypt = (LPBCRYPTENCRYPT)GetProcAddress(m_hLib, BCFN_E);
if((m_lpBCryptOpenAlgorithmProvider == NULL) || (m_lpBCryptCloseAlgorithmProvider == NULL) ||
(m_lpBCryptGetProperty == NULL) || (m_lpBCryptSetProperty == NULL) ||
(m_lpBCryptGenerateSymmetricKey == NULL) || (m_lpBCryptImportKey == NULL) ||
(m_lpBCryptDestroyKey == NULL) || (m_lpBCryptEncrypt == NULL))
{
ASSERT(FALSE);
this->_FreeLib();
}
}
bool CCustomComboBoxEx::_CanHandleKey(TCHAR tchKey)
{
// The feature is supported natively by Windows Vista
if(AU_IsAtLeastWinVistaSystem() == TRUE) return false;
return ((tchKey >= _T('A')) && (tchKey <= _T('Z')));
}
BOOL NewGUI_GetNonClientMetrics(NONCLIENTMETRICS* p)
{
if(p == NULL) { ASSERT(FALSE); return FALSE; }
UINT cbSize = sizeof(NONCLIENTMETRICS);
ZeroMemory(p, cbSize);
// See the documentation of the NONCLIENTMETRICS structure:
// https://msdn.microsoft.com/en-us/library/windows/desktop/ff729175.aspx
// https://www.codeproject.com/Messages/3989684/Compile-with-dev-studio-running-on-Windows-XP.aspx
#if (WINVER == 0x0600)
if(AU_IsAtLeastWinVistaSystem() == FALSE)
{
BOOST_STATIC_ASSERT(sizeof(p->iPaddedBorderWidth) == sizeof(int));
cbSize -= sizeof(int);
}
#else
// Verify that the size computation above is still correct with the
// latest NONCLIENTMETRICS definition, then update the WINVER comparison
// BOOST_STATIC_ASSERT(false);
#endif
p->cbSize = cbSize;
return SystemParametersInfo(SPI_GETNONCLIENTMETRICS, cbSize, p, 0);
}
CShutdownBlocker::CShutdownBlocker(HWND hWnd, LPCTSTR lpReason)
{
ASSERT(hWnd != NULL);
m_hWnd = hWnd;
if(AU_IsAtLeastWinVistaSystem() == FALSE) { m_hLib = NULL; return; }
m_hLib = LoadLibrary(_T("User32.dll"));
if(m_hLib == NULL) { ASSERT(FALSE); return; }
m_lpSdrCreate = (LPSHUTDOWNBLOCKREASONCREATE)GetProcAddress(m_hLib,
"ShutdownBlockReasonCreate");
m_lpSdrDestroy = (LPSHUTDOWNBLOCKREASONDESTROY)GetProcAddress(m_hLib,
"ShutdownBlockReasonDestroy");
if((m_lpSdrCreate == NULL) || (m_lpSdrDestroy == NULL))
{
ASSERT(FALSE);
Release();
return;
}
if(g_psdbPrimary != NULL) return;
std::basic_string<WCHAR> str;
if((lpReason != NULL) && (lpReason[0] != 0))
str = _StringToUnicodeStl(lpReason);
else { ASSERT(FALSE); str = L"..."; }
if(m_lpSdrCreate(hWnd, str.c_str()) != FALSE)
g_psdbPrimary = this;
else { ASSERT(FALSE); }
}
void NewGUI_SetCueBanner_TB(HWND hTextBox, LPCTSTR lpText)
{
ASSERT(lpText != NULL); if(lpText == NULL) return;
// On Windows XP there's a drawing bug at the left border (text is
// not displayed correctly), therefore prepend a space on Windows XP
CString strSearchTr = ((AU_IsAtLeastWinVistaSystem() == FALSE) ? _T(" ") : _T(""));
strSearchTr += lpText;
#ifndef _UNICODE
LPCWSTR pSearchUni = _StringToUnicode(strSearchTr);
#else // Unicode
LPCWSTR pSearchUni = strSearchTr;
#endif
::SendMessage(hTextBox, EM_SETCUEBANNER, 0, (LPARAM)pSearchUni);
#ifndef _UNICODE
SAFE_DELETE_ARRAY(pSearchUni);
#endif
}
