void HIDGamepad::valueChanged(IOHIDValueRef value)
{
IOHIDElementCookie cookie = IOHIDElementGetCookie(IOHIDValueGetElement(value));
HIDGamepadElement* element = m_elementMap.get(cookie);
// This might be an element we don't currently handle as input so we can skip it.
if (!element)
return;
element->rawValue = IOHIDValueGetScaledValue(value, kIOHIDValueScaleTypePhysical);
if (element->isButton()) {
for (unsigned i = 0; i < m_buttons.size(); ++i) {
if (m_buttons[i].get() == element)
m_buttonValues[i] = element->normalizedValue();
}
} else if (element->isAxis()) {
for (unsigned i = 0; i < m_axes.size(); ++i) {
if (m_axes[i].get() == element)
m_axisValues[i] = element->normalizedValue();
}
} else
ASSERT_NOT_REACHED();
m_lastUpdateTime = monotonicallyIncreasingTime();
}
static void input_callback(void *ctx, IOReturn result, void *sender, IOHIDValueRef value)
{
struct osx_mouse_data *mdata = static_cast<struct osx_mouse_data *>(ctx);
IOHIDElementRef elem = IOHIDValueGetElement(value);
uint32_t page = IOHIDElementGetUsagePage(elem);
uint32_t usage = IOHIDElementGetUsage(elem);
uint32_t val = IOHIDValueGetIntegerValue(value);
if (page == kHIDPage_GenericDesktop) {
switch (usage) {
case kHIDUsage_GD_X:
SDL_LockMutex(mdata->mouse_mutex);
mdata->mouse_x += val;
SDL_UnlockMutex(mdata->mouse_mutex);
break;
case kHIDUsage_GD_Y:
SDL_LockMutex(mdata->mouse_mutex);
mdata->mouse_y += val;
SDL_UnlockMutex(mdata->mouse_mutex);
break;
default:
break;
}
}
}
// NOTE: I pieced this together through trial and error, any corrections are welcome
static void hid_device_input_callback(void* context, IOReturn result, void* sender, IOHIDValueRef value)
{
struct apple_pad_connection* connection = (struct apple_pad_connection*)context;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
// Joystick handler: TODO: Can GamePad work the same?
if (type == kIOHIDElementTypeInput_Button && page == kHIDPage_Button)
{
CFIndex state = IOHIDValueGetIntegerValue(value);
if (state) g_current_input_data.pad_buttons[connection->slot] |= (1 << (use - 1));
else g_current_input_data.pad_buttons[connection->slot] &= ~(1 << (use - 1));
}
else if (type == kIOHIDElementTypeInput_Misc && page == kHIDPage_GenericDesktop)
{
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (int i = 0; i < 4; i ++)
{
if (use == axis_use_ids[i])
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
g_current_input_data.pad_axis[connection->slot][i] = ((val * 2.0f) - 1.0f) * 32767.0f;
}
}
}
}
void
osxHIDPointingDevice::hidQueueCallback(void *context, IOReturn /*result*/, void *sender) {
// std::cerr << "osxHIDPointingDevice::hidQueueCallback" << std::endl ;
osxHIDPointingDevice *self = (osxHIDPointingDevice*)context ;
IOHIDQueueRef queue = (IOHIDQueueRef)sender ;
while (true) {
IOHIDValueRef hidvalue = IOHIDQueueCopyNextValueWithTimeout(queue, 0.) ;
if (!hidvalue) break ;
#if 1
TimeStamp::inttime uptime = AbsoluteTimeInNanoseconds(IOHIDValueGetTimeStamp(hidvalue)) ;
TimeStamp::inttime timestamp = self->epoch + (uptime - self->epoch_mach)*TimeStamp::one_nanosecond ;
#else
TimeStamp::inttime timestamp = TimeStamp::createAsInt() ;
#endif
if (self->qreport.isOlderThan(timestamp)) {
// Flush the old qreport before creating a new one
self->report(self->qreport) ;
self->qreport.clear() ;
}
IOHIDElementRef element = IOHIDValueGetElement(hidvalue) ;
uint32_t usagepage = IOHIDElementGetUsagePage(element) ;
uint32_t usage = IOHIDElementGetUsage(element) ;
//std::cout << usagepage << std::endl;
//std::cout << usage << std::endl;
if (usagepage==kHIDPage_GenericDesktop) {
if (usage==kHIDUsage_GD_X || usage==kHIDUsage_GD_Y) {
// Could use IOHIDValueGetScaledValue(hidvalue, kIOHIDValueScaleTypePhysical)
CFIndex d = IOHIDValueGetIntegerValue(hidvalue) ;
//std::cout << IOHIDValueGetBytePtr(hidvalue) << std::endl;
//std::cout << IOHIDValueGetLength(hidvalue) << std::endl;
if (d) {
if (usage==kHIDUsage_GD_X) self->qreport.dx = (int32_t)d ; else self->qreport.dy = (int32_t)d ;
self->qreport.t = timestamp ;
}
}
// FIXME: GD_Z, GD_Wheel, etc.
} else if (usagepage==kHIDPage_Button) {
// kHIDUsage_Button_1 is 1
self->qreport.setButton(usage-1, (uint32_t)IOHIDValueGetIntegerValue(hidvalue)) ;
self->qreport.t = timestamp ;
}
CFRelease(hidvalue) ;
}
// Flush the qreport we were constructing, if any
if (self->qreport.t!=TimeStamp::undef)
self->report(self->qreport) ;
self->qreport.clear() ;
}
void CPH_HidMacOSX::InputValueCallback(IOHIDValueRef valueRef)
{
IOHIDElementRef elementRef = IOHIDValueGetElement(valueRef);
uint32 usage = IOHIDElementGetUsage(elementRef);
uint32 usagePage = IOHIDElementGetUsagePage(elementRef);
CFIndex state = IOHIDValueGetIntegerValue(valueRef);
if(usagePage != kHIDPage_KeyboardOrKeypad) return;
for(auto bindingIterator(std::begin(m_bindings));
bindingIterator != std::end(m_bindings); bindingIterator++)
{
const auto& binding = (*bindingIterator);
if(!binding) continue;
binding->ProcessEvent(usage, state);
}
}
void HIDGamepadProvider::valuesChanged(IOHIDValueRef value)
{
IOHIDDeviceRef device = IOHIDElementGetDevice(IOHIDValueGetElement(value));
HIDGamepad* gamepad = m_gamepadMap.get(device);
// When starting monitoring we might get a value changed callback before we even know the device is connected.
if (!gamepad)
return;
gamepad->valueChanged(value);
// This isActive check is necessary as we want to delay input notifications from the time of the first input,
// and not push the notification out on every subsequent input.
if (!m_inputNotificationTimer.isActive())
m_inputNotificationTimer.startOneShot(InputNotificationDelay);
}
HIDInputType HIDGamepad::valueChanged(IOHIDValueRef value)
{
IOHIDElementCookie cookie = IOHIDElementGetCookie(IOHIDValueGetElement(value));
HIDGamepadElement* element = m_elementMap.get(cookie);
// This might be an element we don't currently handle as input so we can skip it.
if (!element)
return HIDInputType::NotAButtonPress;
element->rawValue = IOHIDValueGetScaledValue(value, kIOHIDValueScaleTypePhysical);
if (element->isButton()) {
for (unsigned i = 0; i < m_buttons.size(); ++i) {
if (&m_buttons[i].get() == element) {
m_buttonValues[i] = element->normalizedValue();
break;
}
}
} else if (element->isAxis()) {
for (unsigned i = 0; i < m_axes.size(); ++i) {
if (&m_axes[i].get() == element) {
m_axisValues[i] = element->normalizedValue();
break;
}
}
} else if (element->isDPad()) {
int intValue = IOHIDValueGetIntegerValue(value) - element->min;
for (unsigned i = 0; i < m_dPads.size(); ++i) {
if (&m_dPads[i].get() != element)
continue;
// Each DPad represents 4 button values which are tacked on to the end of the values from non-DPad buttons.
unsigned firstButtonValue = m_buttons.size() + i * 4;
ASSERT(m_buttonValues.size() > firstButtonValue + 3);
fillInButtonValues(intValue, m_buttonValues[firstButtonValue], m_buttonValues[firstButtonValue + 1], m_buttonValues[firstButtonValue + 2], m_buttonValues[firstButtonValue + 3]);
}
} else
ASSERT_NOT_REACHED();
m_lastUpdateTime = monotonicallyIncreasingTime();
return element->isButton() ? HIDInputType::ButtonPress : HIDInputType::NotAButtonPress;
}
static void hid_event(void* userdata, IOReturn result, void* sender, IOHIDValueRef value) {
EventBridge* self = reinterpret_cast<EventBridge*>(userdata);
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t usage_page = IOHIDElementGetUsagePage(element);
switch (usage_page) {
case kHIDPage_KeyboardOrKeypad:
self->key_event(result, element, value);
break;
case kHIDPage_GenericDesktop:
self->analog_event(result, element, value);
break;
case kHIDPage_Button:
self->button_event(result, element, value);
break;
default:
sfz::print(sfz::io::err, sfz::format("{0}\n", usage_page));
break;
}
}
void CInputProviderMacOsHid::InputValueCallback(DEVICE_INFO* deviceInfo, IOReturn result, void* sender, IOHIDValueRef valueRef)
{
if(!OnInput) return;
IOHIDElementRef elementRef = IOHIDValueGetElement(valueRef);
uint32 usagePage = IOHIDElementGetUsagePage(elementRef);
if(
(usagePage != kHIDPage_GenericDesktop) &&
(usagePage != kHIDPage_Button))
{
return;
}
uint32 usage = IOHIDElementGetUsage(elementRef);
CFIndex value = IOHIDValueGetIntegerValue(valueRef);
IOHIDElementType type = IOHIDElementGetType(elementRef);
BINDINGTARGET tgt;
tgt.providerId = PROVIDER_ID;
tgt.deviceId = deviceInfo->deviceId;
tgt.keyId = usage;
tgt.keyType = GetKeyType(usage, type);
OnInput(tgt, value);
}
static void onDeviceValueChanged(void * context, IOReturn result, void * sender, IOHIDValueRef value) {
struct Gamepad_device * deviceRecord;
struct Gamepad_devicePrivate * hidDeviceRecord;
IOHIDElementRef element;
IOHIDElementCookie cookie;
unsigned int axisIndex, buttonIndex;
static mach_timebase_info_data_t timebaseInfo;
if (timebaseInfo.denom == 0) {
mach_timebase_info(&timebaseInfo);
}
deviceRecord = context;
hidDeviceRecord = deviceRecord->privateData;
element = IOHIDValueGetElement(value);
cookie = IOHIDElementGetCookie(element);
for (axisIndex = 0; axisIndex < deviceRecord->numAxes; axisIndex++) {
if (!hidDeviceRecord->axisElements[axisIndex].isHatSwitchSecondAxis &&
hidDeviceRecord->axisElements[axisIndex].cookie == cookie) {
CFIndex integerValue;
if (IOHIDValueGetLength(value) > 4) {
// Workaround for a strange crash that occurs with PS3 controller; was getting lengths of 39 (!)
continue;
}
integerValue = IOHIDValueGetIntegerValue(value);
if (hidDeviceRecord->axisElements[axisIndex].isHatSwitch) {
int x, y;
// Fix for Saitek X52
if (!hidDeviceRecord->axisElements[axisIndex].hasNullState) {
if (integerValue < hidDeviceRecord->axisElements[axisIndex].logicalMin) {
integerValue = hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin + 1;
} else {
integerValue--;
}
}
hatValueToXY(integerValue, hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin + 1, &x, &y);
if (x != deviceRecord->axisStates[axisIndex]) {
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex,
x,
deviceRecord->axisStates[axisIndex]);
deviceRecord->axisStates[axisIndex] = x;
}
if (y != deviceRecord->axisStates[axisIndex + 1]) {
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex + 1,
y,
deviceRecord->axisStates[axisIndex + 1]);
deviceRecord->axisStates[axisIndex + 1] = y;
}
} else {
float floatValue;
if (integerValue < hidDeviceRecord->axisElements[axisIndex].logicalMin) {
hidDeviceRecord->axisElements[axisIndex].logicalMin = integerValue;
}
if (integerValue > hidDeviceRecord->axisElements[axisIndex].logicalMax) {
hidDeviceRecord->axisElements[axisIndex].logicalMax = integerValue;
}
floatValue = (integerValue - hidDeviceRecord->axisElements[axisIndex].logicalMin) / (float) (hidDeviceRecord->axisElements[axisIndex].logicalMax - hidDeviceRecord->axisElements[axisIndex].logicalMin) * 2.0f - 1.0f;
queueAxisEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
axisIndex,
floatValue,
deviceRecord->axisStates[axisIndex]);
deviceRecord->axisStates[axisIndex] = floatValue;
}
return;
}
}
for (buttonIndex = 0; buttonIndex < deviceRecord->numButtons; buttonIndex++) {
if (hidDeviceRecord->buttonElements[buttonIndex].cookie == cookie) {
bool down;
down = IOHIDValueGetIntegerValue(value);
queueButtonEvent(deviceRecord,
IOHIDValueGetTimeStamp(value) * timebaseInfo.numer / timebaseInfo.denom * 0.000000001,
buttonIndex,
down);
deviceRecord->buttonStates[buttonIndex] = down;
return;
}
}
}
static void input_callback(void *context, IOReturn result, void *sender, IOHIDValueRef value)
{
struct input_data *input = (struct input_data*)context;
IOHIDElementRef elem = IOHIDValueGetElement(value);
uint32_t page = IOHIDElementGetUsagePage(elem);
uint32_t usage = IOHIDElementGetUsage(elem);
uint32_t val = IOHIDValueGetIntegerValue(value);
if (page == kHIDPage_GenericDesktop)
{
if (input->ignore_mouse)
{
return;
}
switch (usage)
{
case kHIDUsage_GD_X:
pthread_mutex_lock(&input->mouse_mutex);
input->mouse_x += val;
pthread_mutex_unlock(&input->mouse_mutex);
break;
case kHIDUsage_GD_Y:
pthread_mutex_lock(&input->mouse_mutex);
input->mouse_y += val;
pthread_mutex_unlock(&input->mouse_mutex);
break;
case kHIDUsage_GD_Wheel:
if ((int32_t)val > 0)
{
add_to_event_queue(input, K_MWHEELUP, true);
add_to_event_queue(input, K_MWHEELUP, false);
}
else if ((int32_t)val < 0)
{
add_to_event_queue(input, K_MWHEELDOWN, true);
add_to_event_queue(input, K_MWHEELDOWN, false);
}
break;
default:
break;
}
}
else if (page == kHIDPage_Button)
{
if (input->ignore_mouse)
{
return;
}
if (usage < 1 || usage > 10)
{
usage = 10;
}
add_to_event_queue(input, K_MOUSE1 + usage - 1, val ? true : false);
}
else if (page == kHIDPage_KeyboardOrKeypad)
{
if (usage == kHIDUsage_KeyboardLeftGUI)
{
input->left_cmd_key_active = val ? true : false;
}
else if (usage == kHIDUsage_KeyboardRightGUI)
{
input->right_cmd_key_active = val ? true : false;
}
if (usage < sizeof(keytable) && (input->left_cmd_key_active || input->right_cmd_key_active))
{
if (keytable[usage] == 'c' && val)
{
add_to_event_queue(input, K_COPY, true);
add_to_event_queue(input, K_COPY, false);
}
else if (keytable[usage] == 'v' && val)
{
add_to_event_queue(input, K_PASTE, true);
add_to_event_queue(input, K_PASTE, false);
}
return;
}
if (usage < sizeof(keytable))
{
add_to_event_queue(input, keytable[usage], val ? true : false);
pthread_mutex_lock(&input->key_mutex);
if (val)
{
input->repeatkey = keytable[usage];
input->nextrepeattime = Sys_IntTime() + input->key_repeat_initial_delay;
}
else
{
input->repeatkey = 0;
input->nextrepeattime = 0;
}
pthread_mutex_unlock(&input->key_mutex);
}
}
else if (page == 0xFF)
{
if (usage == kHIDUsage_KeyboardErrorUndefined)
{
input->fn_key_active = val ? true : false;
}
}
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = (uint32_t)IOHIDElementGetType(element);
uint32_t page = (uint32_t)IOHIDElementGetUsagePage(element);
uint32_t use = (uint32_t)IOHIDElementGetUsage(element);
uint32_t cookie = (uint32_t)IOHIDElementGetCookie(element);
apple_input_rec_t *tmp = NULL;
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
int pushed_button = 0;
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
{
tmp = adapter->hats;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex range = IOHIDElementGetLogicalMax(element) - IOHIDElementGetLogicalMin(element);
CFIndex val = IOHIDValueGetIntegerValue(value);
if(range == 3)
val *= 2;
switch(val)
{
case 0:
/* pos = up */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = -1;
break;
case 1:
/* pos = up+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = -1;
break;
case 2:
/* pos = right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 0;
break;
case 3:
/* pos = down+right */
hid->hats[adapter->slot][0] = 1;
hid->hats[adapter->slot][1] = 1;
break;
case 4:
/* pos = down */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 1;
break;
case 5:
/* pos = down+left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 1;
break;
case 6:
/* pos = left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = 0;
break;
case 7:
/* pos = up_left */
hid->hats[adapter->slot][0] = -1;
hid->hats[adapter->slot][1] = -1;
break;
default:
/* pos = centered */
hid->hats[adapter->slot][0] = 0;
hid->hats[adapter->slot][1] = 0;
break;
}
}
}
break;
default:
tmp = adapter->axes;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
tmp = tmp->next;
if (tmp)
{
if(tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
hid->axes[adapter->slot][tmp->id] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
else
pushed_button = 1;
break;
}
break;
}
break;
case kHIDPage_Consumer:
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
case kIOHIDElementTypeInput_Button:
pushed_button = 1;
break;
}
break;
}
if (pushed_button)
{
tmp = adapter->buttons;
uint8_t bit = 0;
while(tmp && tmp->cookie != (IOHIDElementCookie)cookie)
{
bit++;
tmp = tmp->next;
}
if(tmp && tmp->cookie == (IOHIDElementCookie)cookie)
{
CFIndex state = IOHIDValueGetIntegerValue(value);
if (state)
BIT64_SET(hid->buttons[adapter->slot], bit);
else
BIT64_CLEAR(hid->buttons[adapter->slot], bit);
}
}
}
void __deviceValueCallback (void * context, IOReturn result, void * sender, IOHIDValueRef value)
{
IOHIDElementRef element = IOHIDValueGetElement(value);
printf("IOHIDDeviceRef[%p]: value=%p timestamp=%lld cookie=%d usagePage=0x%02X usage=0x%02X intValue=%ld\n", sender, value, IOHIDValueGetTimeStamp(value), (uint32_t)IOHIDElementGetCookie(element), IOHIDElementGetUsagePage(element), IOHIDElementGetUsage(element), IOHIDValueGetIntegerValue(value));
}
void GamepadManager::onDeviceValueChanged(IOHIDValueRef value)
{
IOHIDElementRef element = IOHIDValueGetElement(value);
IOHIDDeviceRef device = IOHIDElementGetDevice(element);
int vendorID = getIntDeviceProperty(device, CFSTR(kIOHIDVendorIDKey));
int productID = getIntDeviceProperty(device, CFSTR(kIOHIDProductIDKey));
uint32_t usagePage = IOHIDElementGetUsagePage(element);
uint32_t usage = IOHIDElementGetUsage(element);
// The following controller mapping is based on the Logitech F710, however we use it for
// all Logitech devices on the assumption that they're likely to share the same mapping.
if (vendorID == Logitech_F710_VendorID)
{
// Logitech F710 mapping.
if (usagePage == kHIDPage_Button)
{
bool buttonState = IOHIDValueGetIntegerValue(value);
switch(usage)
{
case kHIDUsage_Button_1:
manipulateBitField(State.Buttons, Gamepad_X, buttonState);
break;
case kHIDUsage_Button_2:
manipulateBitField(State.Buttons, Gamepad_A, buttonState);
break;
case kHIDUsage_Button_3:
manipulateBitField(State.Buttons, Gamepad_B, buttonState);
break;
case kHIDUsage_Button_4:
manipulateBitField(State.Buttons, Gamepad_Y, buttonState);
break;
case 0x05:
manipulateBitField(State.Buttons, Gamepad_L1, buttonState);
break;
case 0x06:
manipulateBitField(State.Buttons, Gamepad_R1, buttonState);
break;
case 0x07:
State.LT = buttonState ? 1.0f:0.0f;
break;
case 0x08:
State.RT = buttonState ? 1.0f:0.0f;
break;
case 0x09:
manipulateBitField(State.Buttons, Gamepad_Back, buttonState);
break;
case 0x0A:
manipulateBitField(State.Buttons, Gamepad_Start, buttonState);
break;
case 0x0B:
manipulateBitField(State.Buttons, Gamepad_LStick, buttonState);
break;
case 0x0C:
manipulateBitField(State.Buttons, Gamepad_RStick, buttonState);
break;
default:
return;
}
}
else if (usagePage == kHIDPage_GenericDesktop)
{
float v;
switch(usage)
{
case kHIDUsage_GD_X:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LX, v))
return;
break;
case kHIDUsage_GD_Y:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LY, -v))
return;
break;
case kHIDUsage_GD_Z:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RX, v))
return;
break;
case kHIDUsage_GD_Rz:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RY, -v))
return;
break;
case kHIDUsage_GD_Hatswitch:
{
CFIndex integerValue = IOHIDValueGetIntegerValue(value);
manipulateBitField(State.Buttons,
Gamepad_Up,
integerValue == 7 || integerValue == 0 || integerValue == 1);
manipulateBitField(State.Buttons,
Gamepad_Down,
integerValue == 3 || integerValue == 4 || integerValue == 5);
manipulateBitField(State.Buttons,
Gamepad_Left,
integerValue == 5 || integerValue == 6 || integerValue == 7);
manipulateBitField(State.Buttons,
Gamepad_Right,
integerValue == 1 || integerValue == 2 || integerValue == 3);
}
break;
default:
return;
}
}
}
// The following controller mapping is based on the Sony DualShock3, however we use it for
// all Sony devices on the assumption that they're likely to share the same mapping.
else if (vendorID == Sony_DualShock3_VendorID)
{
// PS3 Controller.
if (usagePage == kHIDPage_Button)
{
bool buttonState = IOHIDValueGetIntegerValue(value);
switch(usage)
{
case kHIDUsage_Button_1:
manipulateBitField(State.Buttons, Gamepad_Back, buttonState);
break;
case kHIDUsage_Button_2:
manipulateBitField(State.Buttons, Gamepad_LStick, buttonState);
break;
case kHIDUsage_Button_3:
manipulateBitField(State.Buttons, Gamepad_RStick, buttonState);
break;
case kHIDUsage_Button_4:
manipulateBitField(State.Buttons, Gamepad_Start, buttonState);
break;
case 0x05:
manipulateBitField(State.Buttons, Gamepad_Up, buttonState);
break;
case 0x06:
manipulateBitField(State.Buttons, Gamepad_Right, buttonState);
break;
case 0x07:
manipulateBitField(State.Buttons, Gamepad_Down, buttonState);
break;
case 0x08:
manipulateBitField(State.Buttons, Gamepad_Left, buttonState);
break;
case 0x09:
State.LT = buttonState ? 1.0f:0.0f;
break;
case 0x0A:
State.RT = buttonState ? 1.0f:0.0f;
break;
case 0x0B:
manipulateBitField(State.Buttons, Gamepad_L1, buttonState);
break;
case 0x0C:
manipulateBitField(State.Buttons, Gamepad_R1, buttonState);
break;
case 0x0D:
// PS3 Triangle.
manipulateBitField(State.Buttons, Gamepad_TRIANGLE, buttonState);
break;
case 0x0E:
// PS3 Circle
manipulateBitField(State.Buttons, Gamepad_CIRCLE, buttonState);
break;
case 0x0F:
// PS3 Cross
manipulateBitField(State.Buttons, Gamepad_CROSS, buttonState);
break;
case 0x10:
// PS3 Square
manipulateBitField(State.Buttons, Gamepad_SQUARE, buttonState);
break;
default:
return;
}
}
else if (usagePage == kHIDPage_GenericDesktop)
{
float v;
switch(usage)
{
case kHIDUsage_GD_X:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LX, v))
return;
break;
case kHIDUsage_GD_Y:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.LY, -v))
return;
break;
case kHIDUsage_GD_Z:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RX, v))
return;
break;
case kHIDUsage_GD_Rz:
v = mapAnalogAxis(value, element);
if (!setStateIfDifferent(State.RY, -v))
return;
break;
default:
return;
}
}
}
bStateChanged = true;
}
static void PsychHIDKbQueueCallbackFunction(void *target, IOReturn result, void *sender)
{
// This routine is executed each time the queue transitions from empty to non-empty
// The CFRunLoop of the thread in KbQueueWorkerThreadMain() is the one that executes here:
IOHIDQueueRef queue = (IOHIDQueueRef) sender;
IOHIDValueRef valueRef = NULL;
int deviceIndex = (int) target;
double timestamp;
int eventValue;
long keysUsage = -1;
PsychHIDEventRecord evt;
result=kIOReturnError;
if (!queue) return; // Nothing we can do because we can't access queue, (shouldn't happen)
while (1) {
// This function only gets called when queue transitions from empty to non-empty
// Therefore, we must process all available events in this while loop before
// it will be possible for this function to be notified again.
if (valueRef) {
CFRelease(valueRef);
valueRef = NULL;
}
// Dequeue next event from queue in a polling non-blocking fashion:
valueRef = IOHIDQueueCopyNextValueWithTimeout(queue, 0.0);
// Done? Exit, if so:
if (!valueRef) break;
// Get event value, e.g., the key state of a key or button 1 = pressed, 0 = released:
eventValue = IOHIDValueGetIntegerValue(valueRef);
// Get usage value, ie., the identity of the key:
IOHIDElementRef element = IOHIDValueGetElement(valueRef);
keysUsage = IOHIDElementGetUsage(element);
// Get double GetSecs timestamp, computed from returned uint64 nanoseconds timestamp:
timestamp = convertTime(IOHIDValueGetTimeStamp(valueRef));
// Don't bother with keysUsage of 0 (meaningless) or 1 (ErrorRollOver) for keyboards:
if ((queueIsAKeyboard[deviceIndex]) && (keysUsage <= 1)) continue;
// Clear ringbuffer event:
memset(&evt, 0 , sizeof(evt));
// Cooked key code defaults to "unhandled", and stays that way for anything but keyboards:
evt.cookedEventCode = -1;
// For real keyboards we can compute cooked key codes: Requires OSX 10.5 or later.
if (queueIsAKeyboard[deviceIndex]) {
// Keyboard(ish) device. We can handle this under some conditions.
// Init to a default of handled, but unmappable/ignored keycode:
evt.cookedEventCode = 0;
// Keypress event code available in mapping table?
if (keysUsage < kHID2VKCSize) {
// Yes: We try to map this to a character code:
// Step 1: Map HID usage value to virtual keycode via LUT:
uint16_t vcKey = kHID2VKC[keysUsage];
// Keep track of SHIFT keys as modifier keys: Bits 0 == Command, 1 == Shift, 2 == CapsLock, 3 == Alt/Option, 4 == CTRL
if ((vcKey == kVKC_Shift || vcKey == kVKC_rShift) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 1);
if ((vcKey == kVKC_Shift || vcKey == kVKC_rShift) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 1);
// Keep track of ALT keys as modifier keys:
if ((vcKey == kVKC_Option || vcKey == kVKC_rOption) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 3);
if ((vcKey == kVKC_Option || vcKey == kVKC_rOption) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 3);
// Keep track of CTRL keys as modifier keys:
if ((vcKey == kVKC_Control || vcKey == kVKC_rControl) && (eventValue != 0)) modifierKeyState[deviceIndex] |= (1 << 4);
if ((vcKey == kVKC_Control || vcKey == kVKC_rControl) && (eventValue == 0)) modifierKeyState[deviceIndex] &= ~(1 << 4);
// Was this a CTRL + C interrupt request?
if ((eventValue != 0) && (vcKey == 0x08) && (modifierKeyState[deviceIndex] & (1 << 4))) {
// Yes: Tell the console input helper about it, so it can send interrupt
// signals to the runtime and reenable keyboard input if appropriate:
// Note: Not sure if the mutex exclusion is needed here, but better safe than sorry.
PsychLockMutex(&KbQueueMutex);
ConsoleInputHelper(-1);
PsychUnlockMutex(&KbQueueMutex);
}
// Key press?
if (eventValue != 0) {
// Step 2: Translate virtual key code into unicode char:
// Ok, this is the usual horrifying complexity of Apple's system. We use code
// snippets found on StackOverflow, modified to suit our needs, e.g., we track
// modifier keys manually, at least left and right ALT and SHIFT keys. We don't
// care about other modifiers.
TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
CFDataRef uchr = (CFDataRef) ((currentKeyboard) ? TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData) : NULL);
const UCKeyboardLayout *keyboardLayout = (const UCKeyboardLayout*) ((uchr) ? CFDataGetBytePtr(uchr) : NULL);
if (keyboardLayout) {
UInt32 deadKeyState = 0;
UniCharCount maxStringLength = 255;
UniCharCount actualStringLength = 0;
UniChar unicodeString[maxStringLength];
OSStatus status = UCKeyTranslate(keyboardLayout,
vcKey, kUCKeyActionDown, modifierKeyState[deviceIndex],
LMGetKbdType(), 0,
&deadKeyState,
maxStringLength,
&actualStringLength, unicodeString);
if ((actualStringLength == 0) && deadKeyState) {
status = UCKeyTranslate(keyboardLayout,
kVK_Space, kUCKeyActionDown, 0,
LMGetKbdType(), 0,
&deadKeyState,
maxStringLength,
&actualStringLength, unicodeString);
}
if((actualStringLength > 0) && (status == noErr)) {
// Assign final cooked / mapped keycode:
evt.cookedEventCode = (int) unicodeString[0];
// Send same keystroke character to console input helper.
// In kbqueue-based ListenChar(1) mode, the helper will
// inject/forward the character into the runtime:
// Note: ConsoleInputHelper() should be safe to call without
// mutex protection for >= 0 event codes.
ConsoleInputHelper(evt.cookedEventCode);
}
}
}
}
}
PsychLockMutex(&KbQueueMutex);
// Update records of first and latest key presses and releases
if (eventValue != 0) {
if (psychHIDKbQueueFirstPress[deviceIndex]) {
// First key press timestamp:
if (psychHIDKbQueueFirstPress[deviceIndex][keysUsage-1] == 0) {
psychHIDKbQueueFirstPress[deviceIndex][keysUsage-1] = timestamp;
}
}
if (psychHIDKbQueueLastPress[deviceIndex]) {
// Last key press timestamp:
psychHIDKbQueueLastPress[deviceIndex][keysUsage-1] = timestamp;
}
evt.status |= (1 << 0);
}
else {
if (psychHIDKbQueueFirstRelease[deviceIndex]) {
// First key release timestamp:
if (psychHIDKbQueueFirstRelease[deviceIndex][keysUsage-1] == 0) psychHIDKbQueueFirstRelease[deviceIndex][keysUsage-1] = timestamp;
}
if (psychHIDKbQueueLastRelease[deviceIndex]) {
// Last key release timestamp:
psychHIDKbQueueLastRelease[deviceIndex][keysUsage-1] = timestamp;
}
evt.status &= ~(1 << 0);
}
// Update event buffer:
evt.timestamp = timestamp;
evt.rawEventCode = keysUsage;
PsychHIDAddEventToEventBuffer(deviceIndex, &evt);
// Tell waiting userspace (under KbQueueMutxex protection for better scheduling) something interesting has changed:
PsychSignalCondition(&KbQueueCondition);
PsychUnlockMutex(&KbQueueMutex);
// Next while loop iteration to dequeue potentially more events:
}
// Done for this queue transition. Return to runloop.
}
static void apple_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
driver_t *driver = driver_get_ptr();
apple_input_data_t *apple = (apple_input_data_t*)driver->input_data;
struct apple_hid_adapter *adapter = (struct apple_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
break;
default:
{
int i;
static const uint32_t axis_use_ids[4] = { 48, 49, 50, 53 };
for (i = 0; i < 4; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
apple->axes[adapter->slot][i] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
break;
}
break;
}
break;
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Button:
{
CFIndex state = IOHIDValueGetIntegerValue(value);
unsigned id = use - 1;
if (state)
BIT64_SET(apple->buttons[adapter->slot], id);
else
BIT64_CLEAR(apple->buttons[adapter->slot], id);
}
break;
}
break;
}
}
void Burger::Mouse::InputCallback(void *pData, int iReturn,void * /* pSender */,IOHIDValueRef pValue)
{
if (iReturn == kIOReturnSuccess) {
Mouse *pMouse = static_cast<Mouse *>(pData);
Word uCount = pMouse->m_uMiceCount;
if (uCount) {
IOHIDElementRef pElement = IOHIDValueGetElement(pValue);
IOHIDDeviceRef pDevice = IOHIDElementGetDevice(pElement);
#if 0
Word uRatNumber = BURGER_MAXUINT;
const DeviceStruct *pRat = pMouse->m_Mice;
do {
if (pRat->m_pDevice == pDevice) {
uRatNumber = pMouse->m_uMiceCount-uCount;
break;
}
++pRat;
} while (--uCount);
if (uRatNumber==BURGER_MAXUINT) {
}
#endif
Word32 uTime = static_cast<Word32>(IOHIDValueGetTimeStamp(pValue));
CFIndex iValue = IOHIDValueGetIntegerValue(pValue);
uint32_t uPage = IOHIDElementGetUsagePage(pElement);
uint32_t uUsage = IOHIDElementGetUsage(pElement);
switch (uPage) {
case kHIDPage_GenericDesktop:
if (iValue) {
switch (uUsage) {
case kHIDUsage_GD_X:
pMouse->PostMouseMotion(static_cast<Int32>(iValue),0,uTime);
break;
case kHIDUsage_GD_Y:
pMouse->PostMouseMotion(0,static_cast<Int32>(iValue),uTime);
break;
case kHIDUsage_GD_Wheel:
pMouse->PostMouseWheel(0,static_cast<Int32>(iValue),uTime);
break;
default:
printf("Unknown usage %u\n",uUsage);
break;
}
}
break;
case kHIDPage_Button:
// iValue == down
// Usage = which 1.2.3.4
if (iValue) {
pMouse->PostMouseDown(1<<(uUsage-1));
} else {
pMouse->PostMouseUp(1<<(uUsage-1));
}
break;
// Ignore this one
case kHIDPage_Consumer:
break;
default:
printf("Unknown page found %u\n",uPage);
break;
}
}
}
}
static void iohidmanager_hid_device_input_callback(void *data, IOReturn result,
void* sender, IOHIDValueRef value)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)data;
IOHIDElementRef element = IOHIDValueGetElement(value);
uint32_t type = IOHIDElementGetType(element);
uint32_t page = IOHIDElementGetUsagePage(element);
uint32_t use = IOHIDElementGetUsage(element);
if (type != kIOHIDElementTypeInput_Misc)
if (type != kIOHIDElementTypeInput_Button)
if (type != kIOHIDElementTypeInput_Axis)
return;
/* Joystick handler.
* TODO: Can GamePad work the same? */
switch (page)
{
case kHIDPage_GenericDesktop:
switch (type)
{
case kIOHIDElementTypeInput_Misc:
switch (use)
{
case kHIDUsage_GD_Hatswitch:
break;
default:
{
int i;
// +0/-0 => Left Stick Horizontal => 48
// +1/-1 => Left Stick Vertical => 49
// +2/-2 => Right Stick Horizontal => 51
// +3/-3 => Right Stick Vertical => 52
// +4/-4 => Left Trigger (if exists) => 50
// +5/-5 => Right Trigger (if exists) => 53
static const uint32_t axis_use_ids[6] = { 48, 49, 51, 52, 50, 53 };
for (i = 0; i < 6; i ++)
{
CFIndex min = IOHIDElementGetPhysicalMin(element);
CFIndex state = IOHIDValueGetIntegerValue(value) - min;
CFIndex max = IOHIDElementGetPhysicalMax(element) - min;
float val = (float)state / (float)max;
if (use != axis_use_ids[i])
continue;
hid->axes[adapter->slot][i] =
((val * 2.0f) - 1.0f) * 32767.0f;
}
}
break;
}
break;
}
break;
case kHIDPage_Button:
switch (type)
{
case kIOHIDElementTypeInput_Button:
{
CFIndex state = IOHIDValueGetIntegerValue(value);
unsigned id = use - 1;
if (state)
BIT64_SET(hid->buttons[adapter->slot], id);
else
BIT64_CLEAR(hid->buttons[adapter->slot], id);
}
break;
}
break;
}
}
