/**
* Our very own SHGetFolderPath function for support of windows operating
* systems that don't have this function (eg Win9x, etc.). We try using the
* native function, and if that doesn't exist we will try a more crude approach
* of environment variables and hope for the best
*/
HRESULT OTTDSHGetFolderPath(HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath)
{
static HRESULT (WINAPI *SHGetFolderPath)(HWND, int, HANDLE, DWORD, LPTSTR) = NULL;
static bool first_time = true;
/* We only try to load the library one time; if it fails, it fails */
if (first_time) {
#if defined(UNICODE)
# define W(x) x "W"
#else
# define W(x) x "A"
#endif
/* The function lives in shell32.dll for all current Windows versions, but it first started to appear in SHFolder.dll. */
if (!LoadLibraryList((Function*)&SHGetFolderPath, "shell32.dll\0" W("SHGetFolderPath") "\0\0")) {
if (!LoadLibraryList((Function*)&SHGetFolderPath, "SHFolder.dll\0" W("SHGetFolderPath") "\0\0")) {
DEBUG(misc, 0, "Unable to load " W("SHGetFolderPath") "from either shell32.dll or SHFolder.dll");
}
}
#undef W
first_time = false;
}
if (SHGetFolderPath != NULL) return SHGetFolderPath(hwnd, csidl, hToken, dwFlags, pszPath);
/* SHGetFolderPath doesn't exist, try a more conservative approach,
* eg environment variables. This is only included for legacy modes
* MSDN says: that 'pszPath' is a "Pointer to a null-terminated string of
* length MAX_PATH which will receive the path" so let's assume that
* Windows 95 with Internet Explorer 5.0, Windows 98 with Internet Explorer 5.0,
* Windows 98 Second Edition (SE), Windows NT 4.0 with Internet Explorer 5.0,
* Windows NT 4.0 with Service Pack 4 (SP4) */
{
DWORD ret;
switch (csidl) {
case CSIDL_FONTS: // Get the system font path, eg %WINDIR%\Fonts
ret = GetEnvironmentVariable(_T("WINDIR"), pszPath, MAX_PATH);
if (ret == 0) break;
_tcsncat(pszPath, _T("\\Fonts"), MAX_PATH);
return (HRESULT)0;
case CSIDL_PERSONAL:
case CSIDL_COMMON_DOCUMENTS: {
HKEY key;
if (RegOpenKeyEx(csidl == CSIDL_PERSONAL ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, REGSTR_PATH_SPECIAL_FOLDERS, 0, KEY_READ, &key) != ERROR_SUCCESS) break;
DWORD len = MAX_PATH;
ret = RegQueryValueEx(key, csidl == CSIDL_PERSONAL ? _T("Personal") : _T("Common Documents"), NULL, NULL, (LPBYTE)pszPath, &len);
RegCloseKey(key);
if (ret == ERROR_SUCCESS) return (HRESULT)0;
break;
}
/* XXX - other types to go here when needed... */
}
}
return E_INVALIDARG;
}
/**
* Our very own SHGetFolderPath function for support of windows operating
* systems that don't have this function (eg Win9x, etc.). We try using the
* native function, and if that doesn't exist we will try a more crude approach
* of environment variables and hope for the best
*/
HRESULT OTTDSHGetFolderPath(HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath)
{
static HRESULT (WINAPI *SHGetFolderPath)(HWND, int, HANDLE, DWORD, LPTSTR) = NULL;
static bool first_time = true;
/* We only try to load the library one time; if it fails, it fails */
if (first_time) {
#if defined(UNICODE)
# define W(x) x "W"
#else
# define W(x) x "A"
#endif
if (!LoadLibraryList((Function*)&SHGetFolderPath, "SHFolder.dll\0" W("SHGetFolderPath") "\0\0")) {
DEBUG(misc, 0, "Unable to load " W("SHGetFolderPath") "from SHFolder.dll");
}
#undef W
first_time = false;
}
if (SHGetFolderPath != NULL) return SHGetFolderPath(hwnd, csidl, hToken, dwFlags, pszPath);
/* SHGetFolderPath doesn't exist, try a more conservative approach,
* eg environment variables. This is only included for legacy modes
* MSDN says: that 'pszPath' is a "Pointer to a null-terminated string of
* length MAX_PATH which will receive the path" so let's assume that
* Windows 95 with Internet Explorer 5.0, Windows 98 with Internet Explorer 5.0,
* Windows 98 Second Edition (SE), Windows NT 4.0 with Internet Explorer 5.0,
* Windows NT 4.0 with Service Pack 4 (SP4) */
{
DWORD ret;
switch (csidl) {
case CSIDL_FONTS: // Get the system font path, eg %WINDIR%\Fonts
ret = GetEnvironmentVariable(_T("WINDIR"), pszPath, MAX_PATH);
if (ret == 0) break;
_tcsncat(pszPath, _T("\\Fonts"), MAX_PATH);
return (HRESULT)0;
/* XXX - other types to go here when needed... */
}
}
return E_INVALIDARG;
}
const char *MusicDriver_DMusic::Start(const char * const *parm)
{
if (performance != NULL) return NULL;
if (proc.CoCreateInstance == NULL) {
if (!LoadLibraryList((Function*)&proc, ole_files)) {
return "ole32.dll load failed";
}
}
/* Initialize COM */
if (FAILED(proc.CoInitialize(NULL))) {
return "COM initialization failed";
}
/* create the performance object */
if (FAILED(proc.CoCreateInstance(
CLSID_DirectMusicPerformance,
NULL,
CLSCTX_INPROC,
IID_IDirectMusicPerformance,
(LPVOID*)&performance
))) {
proc.CoUninitialize();
return "Failed to create the performance object";
}
/* initialize it */
if (FAILED(performance->Init(NULL, NULL, NULL))) {
performance->Release();
performance = NULL;
proc.CoUninitialize();
return "Failed to initialize performance object";
}
/* choose default Windows synth */
if (FAILED(performance->AddPort(NULL))) {
performance->CloseDown();
performance->Release();
performance = NULL;
proc.CoUninitialize();
return "AddPort failed";
}
/* create the loader object; this will be used to load the MIDI file */
if (FAILED(proc.CoCreateInstance(
CLSID_DirectMusicLoader,
NULL,
CLSCTX_INPROC,
IID_IDirectMusicLoader,
(LPVOID*)&loader
))) {
performance->CloseDown();
performance->Release();
performance = NULL;
proc.CoUninitialize();
return "Failed to create loader object";
}
return NULL;
}