int KeyboardInitialize(void) {
if (lpdid)
return(1);
ddrval = IDirectInput7_CreateDeviceEx(lpDI, &GUID_SysKeyboard, &IID_IDirectInputDevice7, (LPVOID*)&lpdid, 0);
if (ddrval != DI_OK) {
FCEUD_PrintError("DirectInput: Error creating keyboard device.");
return 0;
}
ddrval = IDirectInputDevice7_SetCooperativeLevel(lpdid, hAppWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
if (ddrval != DI_OK) {
FCEUD_PrintError("DirectInput: Error setting keyboard cooperative level.");
return 0;
}
ddrval = IDirectInputDevice7_SetDataFormat(lpdid, &c_dfDIKeyboard);
if (ddrval != DI_OK) {
FCEUD_PrintError("DirectInput: Error setting keyboard data format.");
return 0;
}
ddrval = IDirectInputDevice7_Acquire(lpdid);
/* Not really a fatal error. */
//if(ddrval != DI_OK)
//{
// FCEUD_PrintError("DirectInput: Error acquiring keyboard.");
// return 0;
//}
return 1;
}
bool directinput::Acquire(LPDIRECTINPUTDEVICE7 device) {
HRESULT status = DIERR_INPUTLOST;
while(status == DIERR_INPUTLOST || status == DIERR_NOTACQUIRED) {
status = IDirectInputDevice7_Acquire(device);
}
// at this point whatever the status is we can't do anything else
// to acquire device
return SUCCEEDED(status);
}
void KeyboardUpdateState(void) {
char tk[256];
ddrval = IDirectInputDevice7_GetDeviceState(lpdid, 256, tk);
switch (ddrval) {
case DI_OK: memcpy(keys, tk, 256); break;
case DIERR_INPUTLOST:
case DIERR_NOTACQUIRED:
memset(keys, 0, 256);
IDirectInputDevice7_Acquire(lpdid);
break;
}
}
