mirror of https://github.com/libsdl-org/SDL
Remove outdated and not used WIN_IsXInputDevice code
This commit is contained in:
Dimitriy Ryazantcev
Sam Lantinga
parent
0e62926ec5
commit
adc2d362ba
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@ -235,144 +235,6 @@ SetDIerror(const char *function, HRESULT code)
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return SDL_SetError("%s() DirectX error 0x%8.8lx", function, code);
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}
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#if 0 /* Microsoft recommended implementation, but slower than checking raw devices */
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#define COBJMACROS
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#include <wbemidl.h>
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#include <oleauto.h>
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static const IID CLSID_WbemLocator = { 0x4590f811, 0x1d3a, 0x11d0,{ 0x89, 0x1f, 0x00, 0xaa, 0x00, 0x4b, 0x2e, 0x24 } };
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static const IID IID_IWbemLocator = { 0xdc12a687, 0x737f, 0x11cf,{ 0x88, 0x4d, 0x00, 0xaa, 0x00, 0x4b, 0x2e, 0x24 } };
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static SDL_bool
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WIN_IsXInputDevice(const TCHAR *name, const GUID* pGuidProductFromDirectInput)
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{
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IWbemLocator* pIWbemLocator = NULL;
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IEnumWbemClassObject* pEnumDevices = NULL;
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IWbemClassObject* pDevices[20];
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IWbemServices* pIWbemServices = NULL;
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BSTR bstrNamespace = NULL;
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BSTR bstrDeviceID = NULL;
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BSTR bstrClassName = NULL;
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DWORD uReturned = 0;
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SDL_bool bIsXinputDevice = SDL_FALSE;
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UINT iDevice = 0;
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VARIANT var;
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HRESULT hr;
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if (!SDL_XINPUT_Enabled()) {
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return SDL_FALSE;
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}
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if (SDL_tcsstr(name, TEXT(" XINPUT ")) != NULL) {
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/* This is a duplicate interface for a controller that will show up with XInput,
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e.g. Xbox One Elite Series 2 in Bluetooth mode.
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*/
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return SDL_TRUE;
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}
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SDL_zeroa(pDevices);
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// Create WMI
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hr = CoCreateInstance(&CLSID_WbemLocator,
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NULL,
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CLSCTX_INPROC_SERVER,
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&IID_IWbemLocator,
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(LPVOID*)&pIWbemLocator);
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if (FAILED(hr) || pIWbemLocator == NULL)
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goto LCleanup;
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bstrNamespace = SysAllocString(L"\\\\.\\root\\cimv2"); if (bstrNamespace == NULL) goto LCleanup;
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bstrClassName = SysAllocString(L"Win32_PNPEntity"); if (bstrClassName == NULL) goto LCleanup;
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bstrDeviceID = SysAllocString(L"DeviceID"); if (bstrDeviceID == NULL) goto LCleanup;
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// Connect to WMI
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hr = IWbemLocator_ConnectServer(pIWbemLocator, bstrNamespace, NULL, NULL, 0L,
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0L, NULL, NULL, &pIWbemServices);
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if (FAILED(hr) || pIWbemServices == NULL) {
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goto LCleanup;
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}
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// Switch security level to IMPERSONATE.
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CoSetProxyBlanket((IUnknown *)pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL,
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RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
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hr = IWbemServices_CreateInstanceEnum(pIWbemServices, bstrClassName, 0, NULL, &pEnumDevices);
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if (FAILED(hr) || pEnumDevices == NULL)
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goto LCleanup;
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// Loop over all devices
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for (;;) {
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// Get 20 at a time
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hr = IEnumWbemClassObject_Next(pEnumDevices, 10000, SDL_arraysize(pDevices), pDevices, &uReturned);
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if (FAILED(hr)) {
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goto LCleanup;
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}
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if (uReturned == 0) {
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break;
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}
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for (iDevice = 0; iDevice < uReturned; iDevice++) {
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// For each device, get its device ID
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hr = IWbemClassObject_Get(pDevices[iDevice], bstrDeviceID, 0L, &var, NULL, NULL);
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if (SUCCEEDED(hr) && var.vt == VT_BSTR && var.bstrVal != NULL) {
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// Check if the device ID contains "IG_". If it does, then it's an XInput device
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// This information can not be found from DirectInput
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if (SDL_wcsstr(var.bstrVal, L"IG_")) {
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char *bstrVal = WIN_StringToUTF8W(var.bstrVal);
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// If it does, then get the VID/PID from var.bstrVal
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DWORD dwPid = 0, dwVid = 0, dwVidPid;
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const char *strVid, *strPid;
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strVid = SDL_strstr(bstrVal, "VID_");
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if (strVid && SDL_sscanf(strVid, "VID_%4X", &dwVid) != 1)
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dwVid = 0;
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strPid = SDL_strstr(bstrVal, "PID_");
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if (strPid && SDL_sscanf(strPid, "PID_%4X", &dwPid) != 1)
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dwPid = 0;
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SDL_free(bstrVal);
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// Compare the VID/PID to the DInput device
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dwVidPid = MAKELONG(dwVid, dwPid);
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if (dwVidPid == pGuidProductFromDirectInput->Data1) {
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bIsXinputDevice = SDL_TRUE;
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goto LCleanup;
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}
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}
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}
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IWbemClassObject_Release(pDevices[iDevice]);
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}
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}
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LCleanup:
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if (bstrNamespace) {
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SysFreeString(bstrNamespace);
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}
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if (bstrDeviceID) {
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SysFreeString(bstrDeviceID);
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}
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if (bstrClassName) {
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SysFreeString(bstrClassName);
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}
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for (iDevice = 0; iDevice < SDL_arraysize(pDevices); iDevice++) {
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if (pDevices[iDevice]) {
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IWbemClassObject_Release(pDevices[iDevice]);
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}
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}
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if (pEnumDevices) {
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IEnumWbemClassObject_Release(pEnumDevices);
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}
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if (pIWbemLocator) {
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IWbemLocator_Release(pIWbemLocator);
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}
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if (pIWbemServices) {
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IWbemServices_Release(pIWbemServices);
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}
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return bIsXinputDevice;
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}
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#endif /* 0 */
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static SDL_bool
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SDL_IsXInputDevice(const TCHAR *name, const GUID* pGuidProductFromDirectInput)
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{
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