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Difficult-Rocket/libs/pyglet/input/darwin_hid.py

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# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
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# Copyright (c) 2008-2022 pyglet contributors
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# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
import sys
from ctypes import CFUNCTYPE, byref, c_void_p, c_int, c_ubyte, c_bool, c_uint32, c_uint64
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from .controller import get_mapping
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from .base import Device, AbsoluteAxis, RelativeAxis, Button
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from .base import Joystick, Controller, AppleRemote
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from pyglet.libs.darwin.cocoapy import CFSTR, CFIndex, CFTypeID, known_cftypes
from pyglet.libs.darwin.cocoapy import kCFRunLoopDefaultMode, CFAllocatorRef, cf
from pyglet.libs.darwin.cocoapy import cfset_to_set, cftype_to_value, cfarray_to_list
from pyglet.lib import load_library
__LP64__ = (sys.maxsize > 2 ** 32)
# Uses the HID API introduced in Mac OS X version 10.5
# http://developer.apple.com/library/mac/#technotes/tn2007/tn2187.html
iokit = load_library(framework='IOKit')
# IOKit constants from
# /System/Library/Frameworks/IOKit.framework/Headers/hid/IOHIDKeys.h
kIOHIDOptionsTypeNone = 0x00
kIOHIDOptionsTypeSeizeDevice = 0x01
kIOHIDElementTypeInput_Misc = 1
kIOHIDElementTypeInput_Button = 2
kIOHIDElementTypeInput_Axis = 3
kIOHIDElementTypeInput_ScanCodes = 4
kIOHIDElementTypeOutput = 129
kIOHIDElementTypeFeature = 257
kIOHIDElementTypeCollection = 513
# /System/Library/Frameworks/IOKit.framework/Headers/hid/IOHIDUsageTables.h
kHIDPage_GenericDesktop = 0x01
kHIDPage_Consumer = 0x0C
kHIDUsage_GD_SystemSleep = 0x82
kHIDUsage_GD_SystemWakeUp = 0x83
kHIDUsage_GD_SystemAppMenu = 0x86
kHIDUsage_GD_SystemMenu = 0x89
kHIDUsage_GD_SystemMenuRight = 0x8A
kHIDUsage_GD_SystemMenuLeft = 0x8B
kHIDUsage_GD_SystemMenuUp = 0x8C
kHIDUsage_GD_SystemMenuDown = 0x8D
kHIDUsage_Csmr_Menu = 0x40
kHIDUsage_Csmr_FastForward = 0xB3
kHIDUsage_Csmr_Rewind = 0xB4
kHIDUsage_Csmr_Eject = 0xB8
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kHIDUsage_Csmr_Mute = 0xE2
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kHIDUsage_Csmr_VolumeIncrement = 0xE9
kHIDUsage_Csmr_VolumeDecrement = 0xEA
IOReturn = c_int # IOReturn.h
IOOptionBits = c_uint32 # IOTypes.h
# IOHIDKeys.h
IOHIDElementType = c_int
IOHIDElementCollectionType = c_int
if __LP64__:
IOHIDElementCookie = c_uint32
else:
IOHIDElementCookie = c_void_p
iokit.IOHIDDeviceClose.restype = IOReturn
iokit.IOHIDDeviceClose.argtypes = [c_void_p, IOOptionBits]
iokit.IOHIDDeviceConformsTo.restype = c_ubyte
iokit.IOHIDDeviceConformsTo.argtypes = [c_void_p, c_uint32, c_uint32]
iokit.IOHIDDeviceCopyMatchingElements.restype = c_void_p
iokit.IOHIDDeviceCopyMatchingElements.argtypes = [c_void_p, c_void_p, IOOptionBits]
iokit.IOHIDDeviceGetProperty.restype = c_void_p
iokit.IOHIDDeviceGetProperty.argtypes = [c_void_p, c_void_p]
iokit.IOHIDDeviceGetTypeID.restype = CFTypeID
iokit.IOHIDDeviceGetTypeID.argtypes = []
iokit.IOHIDDeviceGetValue.restype = IOReturn
iokit.IOHIDDeviceGetValue.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDDeviceOpen.restype = IOReturn
iokit.IOHIDDeviceOpen.argtypes = [c_void_p, IOOptionBits]
iokit.IOHIDDeviceRegisterInputValueCallback.restype = None
iokit.IOHIDDeviceRegisterInputValueCallback.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDDeviceRegisterRemovalCallback.restype = None
iokit.IOHIDDeviceRegisterRemovalCallback.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDDeviceScheduleWithRunLoop.restype = None
iokit.IOHIDDeviceScheduleWithRunLoop.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDDeviceUnscheduleFromRunLoop.restype = None
iokit.IOHIDDeviceUnscheduleFromRunLoop.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDElementGetCollectionType.restype = IOHIDElementCollectionType
iokit.IOHIDElementGetCollectionType.argtypes = [c_void_p]
iokit.IOHIDElementGetCookie.restype = IOHIDElementCookie
iokit.IOHIDElementGetCookie.argtypes = [c_void_p]
iokit.IOHIDElementGetLogicalMax.restype = CFIndex
iokit.IOHIDElementGetLogicalMax.argtypes = [c_void_p]
iokit.IOHIDElementGetLogicalMin.restype = CFIndex
iokit.IOHIDElementGetLogicalMin.argtypes = [c_void_p]
iokit.IOHIDElementGetName.restype = c_void_p
iokit.IOHIDElementGetName.argtypes = [c_void_p]
iokit.IOHIDElementGetPhysicalMax.restype = CFIndex
iokit.IOHIDElementGetPhysicalMax.argtypes = [c_void_p]
iokit.IOHIDElementGetPhysicalMin.restype = CFIndex
iokit.IOHIDElementGetPhysicalMin.argtypes = [c_void_p]
iokit.IOHIDElementGetReportCount.restype = c_uint32
iokit.IOHIDElementGetReportCount.argtypes = [c_void_p]
iokit.IOHIDElementGetReportID.restype = c_uint32
iokit.IOHIDElementGetReportID.argtypes = [c_void_p]
iokit.IOHIDElementGetReportSize.restype = c_uint32
iokit.IOHIDElementGetReportSize.argtypes = [c_void_p]
iokit.IOHIDElementGetType.restype = IOHIDElementType
iokit.IOHIDElementGetType.argtypes = [c_void_p]
iokit.IOHIDElementGetTypeID.restype = CFTypeID
iokit.IOHIDElementGetTypeID.argtypes = []
iokit.IOHIDElementGetUnit.restype = c_uint32
iokit.IOHIDElementGetUnit.argtypes = [c_void_p]
iokit.IOHIDElementGetUnitExponent.restype = c_uint32
iokit.IOHIDElementGetUnitExponent.argtypes = [c_void_p]
iokit.IOHIDElementGetUsage.restype = c_uint32
iokit.IOHIDElementGetUsage.argtypes = [c_void_p]
iokit.IOHIDElementGetUsagePage.restype = c_uint32
iokit.IOHIDElementGetUsagePage.argtypes = [c_void_p]
iokit.IOHIDElementHasNullState.restype = c_bool
iokit.IOHIDElementHasNullState.argtypes = [c_void_p]
iokit.IOHIDElementHasPreferredState.restype = c_bool
iokit.IOHIDElementHasPreferredState.argtypes = [c_void_p]
iokit.IOHIDElementIsArray.restype = c_bool
iokit.IOHIDElementIsArray.argtypes = [c_void_p]
iokit.IOHIDElementIsNonLinear.restype = c_bool
iokit.IOHIDElementIsNonLinear.argtypes = [c_void_p]
iokit.IOHIDElementIsRelative.restype = c_bool
iokit.IOHIDElementIsRelative.argtypes = [c_void_p]
iokit.IOHIDElementIsVirtual.restype = c_bool
iokit.IOHIDElementIsVirtual.argtypes = [c_void_p]
iokit.IOHIDElementIsWrapping.restype = c_bool
iokit.IOHIDElementIsWrapping.argtypes = [c_void_p]
iokit.IOHIDManagerCreate.restype = c_void_p
iokit.IOHIDManagerCreate.argtypes = [CFAllocatorRef, IOOptionBits]
iokit.IOHIDManagerCopyDevices.restype = c_void_p
iokit.IOHIDManagerCopyDevices.argtypes = [c_void_p]
iokit.IOHIDManagerGetTypeID.restype = CFTypeID
iokit.IOHIDManagerGetTypeID.argtypes = []
iokit.IOHIDManagerRegisterDeviceMatchingCallback.restype = None
iokit.IOHIDManagerRegisterDeviceMatchingCallback.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDManagerScheduleWithRunLoop.restype = c_void_p
iokit.IOHIDManagerScheduleWithRunLoop.argtypes = [c_void_p, c_void_p, c_void_p]
iokit.IOHIDManagerSetDeviceMatching.restype = None
iokit.IOHIDManagerSetDeviceMatching.argtypes = [c_void_p, c_void_p]
iokit.IOHIDValueGetElement.restype = c_void_p
iokit.IOHIDValueGetElement.argtypes = [c_void_p]
iokit.IOHIDValueGetIntegerValue.restype = CFIndex
iokit.IOHIDValueGetIntegerValue.argtypes = [c_void_p]
iokit.IOHIDValueGetLength.restype = CFIndex
iokit.IOHIDValueGetLength.argtypes = [c_void_p]
iokit.IOHIDValueGetTimeStamp.restype = c_uint64
iokit.IOHIDValueGetTimeStamp.argtypes = [c_void_p]
iokit.IOHIDValueGetTypeID.restype = CFTypeID
iokit.IOHIDValueGetTypeID.argtypes = []
# Callback function types
HIDManagerCallback = CFUNCTYPE(None, c_void_p, c_int, c_void_p, c_void_p)
HIDDeviceCallback = CFUNCTYPE(None, c_void_p, c_int, c_void_p)
HIDDeviceValueCallback = CFUNCTYPE(None, c_void_p, c_int, c_void_p, c_void_p)
######################################################################
# HID Class Wrappers
# Lookup tables cache python objects for the devices and elements so that
# we can avoid creating multiple wrapper objects for the same device.
_device_lookup = {} # IOHIDDeviceRef to python HIDDevice object
_element_lookup = {} # IOHIDElementRef to python HIDDeviceElement object
class HIDValue:
def __init__(self, valueRef):
# Check that this is a valid IOHIDValue.
assert valueRef
assert cf.CFGetTypeID(valueRef) == iokit.IOHIDValueGetTypeID()
self.valueRef = valueRef
self.timestamp = iokit.IOHIDValueGetTimeStamp(valueRef)
self.length = iokit.IOHIDValueGetLength(valueRef)
if self.length <= 4:
self.intvalue = iokit.IOHIDValueGetIntegerValue(valueRef)
else:
# Values may be byte data rather than integers.
# e.g. the PS3 controller has a 39-byte HIDValue element.
# We currently do not try to handle these cases.
self.intvalue = None
elementRef = c_void_p(iokit.IOHIDValueGetElement(valueRef))
self.element = HIDDeviceElement.get_element(elementRef)
class HIDDevice:
@classmethod
def get_device(cls, deviceRef):
# deviceRef is a c_void_p pointing to an IOHIDDeviceRef
if deviceRef.value in _device_lookup:
return _device_lookup[deviceRef.value]
else:
device = HIDDevice(deviceRef)
return device
def __init__(self, deviceRef):
# Check that we've got a valid IOHIDDevice.
assert deviceRef
assert cf.CFGetTypeID(deviceRef) == iokit.IOHIDDeviceGetTypeID()
_device_lookup[deviceRef.value] = self
self.deviceRef = deviceRef
# Set attributes from device properties.
self.transport = self.get_property("Transport")
self.vendorID = self.get_property("VendorID")
self.vendorIDSource = self.get_property("VendorIDSource")
self.productID = self.get_property("ProductID")
self.versionNumber = self.get_property("VersionNumber")
self.manufacturer = self.get_property("Manufacturer")
self.product = self.get_property("Product")
self.serialNumber = self.get_property("SerialNumber") # always returns None; apple bug?
self.locationID = self.get_property("LocationID")
self.primaryUsage = self.get_property("PrimaryUsage")
self.primaryUsagePage = self.get_property("PrimaryUsagePage")
# Populate self.elements with our device elements.
self.elements = self._get_elements()
# Set up callback functions.
self.value_observers = set()
self.removal_observers = set()
self.removal_callback = self._register_removal_callback()
self.value_callback = self._register_input_value_callback()
def dump_info(self):
for x in ('manufacturer', 'product', 'transport', 'vendorID', 'vendorIDSource', 'productID',
'versionNumber', 'serialNumber', 'locationID', 'primaryUsage', 'primaryUsagePage'):
value = getattr(self, x)
print(x + ":", value)
def unique_identifier(self):
# Since we can't rely on the serial number, create our own identifier.
# Can use this to find devices when they are plugged back in.
return (self.manufacturer, self.product, self.vendorID, self.productID,
self.versionNumber, self.primaryUsage, self.primaryUsagePage)
def get_property(self, name):
cfname = CFSTR(name)
cfvalue = c_void_p(iokit.IOHIDDeviceGetProperty(self.deviceRef, cfname))
cf.CFRelease(cfname)
return cftype_to_value(cfvalue)
def open(self, exclusive_mode=False):
if exclusive_mode:
options = kIOHIDOptionsTypeSeizeDevice
else:
options = kIOHIDOptionsTypeNone
return bool(iokit.IOHIDDeviceOpen(self.deviceRef, options))
def close(self):
return bool(iokit.IOHIDDeviceClose(self.deviceRef, kIOHIDOptionsTypeNone))
def schedule_with_run_loop(self):
iokit.IOHIDDeviceScheduleWithRunLoop(
self.deviceRef,
c_void_p(cf.CFRunLoopGetCurrent()),
kCFRunLoopDefaultMode)
def unschedule_from_run_loop(self):
iokit.IOHIDDeviceUnscheduleFromRunLoop(
self.deviceRef,
c_void_p(cf.CFRunLoopGetCurrent()),
kCFRunLoopDefaultMode)
def _get_elements(self):
cfarray = c_void_p(iokit.IOHIDDeviceCopyMatchingElements(self.deviceRef, None, 0))
if not cfarray:
# requires "Security & Privacy / Input Monitoring", see #95
return []
elements = cfarray_to_list(cfarray)
cf.CFRelease(cfarray)
return elements
# Page and usage IDs are from the HID usage tables located at
# http://www.usb.org/developers/devclass_docs/Hut1_12.pdf
def conforms_to(self, page, usage):
return bool(iokit.IOHIDDeviceConformsTo(self.deviceRef, page, usage))
def is_pointer(self):
return self.conforms_to(0x01, 0x01)
def is_mouse(self):
return self.conforms_to(0x01, 0x02)
def is_joystick(self):
return self.conforms_to(0x01, 0x04)
def is_gamepad(self):
return self.conforms_to(0x01, 0x05)
def is_keyboard(self):
return self.conforms_to(0x01, 0x06)
def is_keypad(self):
return self.conforms_to(0x01, 0x07)
def is_multi_axis(self):
return self.conforms_to(0x01, 0x08)
def py_removal_callback(self, context, result, sender):
self = _device_lookup[sender] # avoid wonky python context issues
# Dispatch removal message to all observers.
for x in self.removal_observers:
if hasattr(x, 'device_removed'):
x.device_removed(self)
# Remove self from device lookup table.
del _device_lookup[sender]
# Remove device elements from lookup table.
to_remove = [k for k, v in _element_lookup.items() if v in self.elements]
for key in to_remove:
del _element_lookup[key]
def _register_removal_callback(self):
removal_callback = HIDDeviceCallback(self.py_removal_callback)
iokit.IOHIDDeviceRegisterRemovalCallback(self.deviceRef, removal_callback, None)
return removal_callback
def add_removal_observer(self, observer):
self.removal_observers.add(observer)
def py_value_callback(self, context, result, sender, value):
v = HIDValue(c_void_p(value))
# Dispatch value changed message to all observers.
for x in self.value_observers:
if hasattr(x, 'device_value_changed'):
x.device_value_changed(self, v)
def _register_input_value_callback(self):
value_callback = HIDDeviceValueCallback(self.py_value_callback)
iokit.IOHIDDeviceRegisterInputValueCallback(self.deviceRef, value_callback, None)
return value_callback
def add_value_observer(self, observer):
self.value_observers.add(observer)
def get_value(self, element):
# If the device is not open, then returns None
valueRef = c_void_p()
iokit.IOHIDDeviceGetValue(self.deviceRef, element.elementRef, byref(valueRef))
if valueRef:
return HIDValue(valueRef)
else:
return None
class HIDDeviceElement:
@classmethod
def get_element(cls, elementRef):
# elementRef is a c_void_p pointing to an IOHIDDeviceElementRef
if elementRef.value in _element_lookup:
return _element_lookup[elementRef.value]
else:
element = HIDDeviceElement(elementRef)
return element
def __init__(self, elementRef):
# Check that we've been passed a valid IOHIDElement.
assert elementRef
assert cf.CFGetTypeID(elementRef) == iokit.IOHIDElementGetTypeID()
_element_lookup[elementRef.value] = self
self.elementRef = elementRef
# Set element properties as attributes.
self.cookie = iokit.IOHIDElementGetCookie(elementRef)
self.type = iokit.IOHIDElementGetType(elementRef)
if self.type == kIOHIDElementTypeCollection:
self.collectionType = iokit.IOHIDElementGetCollectionType(elementRef)
else:
self.collectionType = None
self.usagePage = iokit.IOHIDElementGetUsagePage(elementRef)
self.usage = iokit.IOHIDElementGetUsage(elementRef)
self.isVirtual = bool(iokit.IOHIDElementIsVirtual(elementRef))
self.isRelative = bool(iokit.IOHIDElementIsRelative(elementRef))
self.isWrapping = bool(iokit.IOHIDElementIsWrapping(elementRef))
self.isArray = bool(iokit.IOHIDElementIsArray(elementRef))
self.isNonLinear = bool(iokit.IOHIDElementIsNonLinear(elementRef))
self.hasPreferredState = bool(iokit.IOHIDElementHasPreferredState(elementRef))
self.hasNullState = bool(iokit.IOHIDElementHasNullState(elementRef))
self.name = cftype_to_value(iokit.IOHIDElementGetName(elementRef))
self.reportID = iokit.IOHIDElementGetReportID(elementRef)
self.reportSize = iokit.IOHIDElementGetReportSize(elementRef)
self.reportCount = iokit.IOHIDElementGetReportCount(elementRef)
self.unit = iokit.IOHIDElementGetUnit(elementRef)
self.unitExponent = iokit.IOHIDElementGetUnitExponent(elementRef)
self.logicalMin = iokit.IOHIDElementGetLogicalMin(elementRef)
self.logicalMax = iokit.IOHIDElementGetLogicalMax(elementRef)
self.physicalMin = iokit.IOHIDElementGetPhysicalMin(elementRef)
self.physicalMax = iokit.IOHIDElementGetPhysicalMax(elementRef)
class HIDManager:
def __init__(self):
# Create the HID Manager.
self.managerRef = c_void_p(iokit.IOHIDManagerCreate(None, kIOHIDOptionsTypeNone))
assert self.managerRef
assert cf.CFGetTypeID(self.managerRef) == iokit.IOHIDManagerGetTypeID()
self.schedule_with_run_loop()
self.matching_observers = set()
self.matching_callback = self._register_matching_callback()
self.devices = self._get_devices()
def _get_devices(self):
try:
# Tell manager that we are willing to match *any* device.
# (Alternatively, we could restrict by device usage, or usage page.)
iokit.IOHIDManagerSetDeviceMatching(self.managerRef, None)
# Copy the device set and convert it to python.
cfset = c_void_p(iokit.IOHIDManagerCopyDevices(self.managerRef))
devices = cfset_to_set(cfset)
cf.CFRelease(cfset)
except:
return set()
return devices
def open(self):
iokit.IOHIDManagerOpen(self.managerRef, kIOHIDOptionsTypeNone)
def close(self):
iokit.IOHIDManagerClose(self.managerRef, kIOHIDOptionsTypeNone)
def schedule_with_run_loop(self):
iokit.IOHIDManagerScheduleWithRunLoop(
self.managerRef,
c_void_p(cf.CFRunLoopGetCurrent()),
kCFRunLoopDefaultMode)
def unschedule_from_run_loop(self):
iokit.IOHIDManagerUnscheduleFromRunLoop(
self.managerRef,
c_void_p(cf.CFRunLoopGetCurrent()),
kCFRunLoopDefaultMode)
def _py_matching_callback(self, context, result, sender, device):
d = HIDDevice.get_device(c_void_p(device))
if d not in self.devices:
self.devices.add(d)
for x in self.matching_observers:
if hasattr(x, 'device_discovered'):
x.device_discovered(d)
def _register_matching_callback(self):
matching_callback = HIDManagerCallback(self._py_matching_callback)
iokit.IOHIDManagerRegisterDeviceMatchingCallback(self.managerRef, matching_callback, None)
return matching_callback
######################################################################
# Add conversion methods for IOHIDDevices and IOHIDDeviceElements
# to the list of known types used by cftype_to_value.
known_cftypes[iokit.IOHIDDeviceGetTypeID()] = HIDDevice.get_device
known_cftypes[iokit.IOHIDElementGetTypeID()] = HIDDeviceElement.get_element
######################################################################
# Pyglet interface to HID
_axis_names = {
(0x01, 0x30): 'x',
(0x01, 0x31): 'y',
(0x01, 0x32): 'z',
(0x01, 0x33): 'rx',
(0x01, 0x34): 'ry',
(0x01, 0x35): 'rz',
(0x01, 0x38): 'wheel',
(0x01, 0x39): 'hat',
}
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_button_names = {
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemSleep): 'sleep',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemWakeUp): 'wakeup',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemAppMenu): 'menu',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemMenu): 'select',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemMenuRight): 'right',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemMenuLeft): 'left',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemMenuUp): 'up',
(kHIDPage_GenericDesktop, kHIDUsage_GD_SystemMenuDown): 'down',
(kHIDPage_Consumer, kHIDUsage_Csmr_FastForward): 'right_hold',
(kHIDPage_Consumer, kHIDUsage_Csmr_Rewind): 'left_hold',
(kHIDPage_Consumer, kHIDUsage_Csmr_Menu): 'menu_hold',
(0xff01, 0x23): 'select_hold',
(kHIDPage_Consumer, kHIDUsage_Csmr_Eject): 'eject',
(kHIDPage_Consumer, kHIDUsage_Csmr_Mute): 'mute',
(kHIDPage_Consumer, kHIDUsage_Csmr_VolumeIncrement): 'volume_up',
(kHIDPage_Consumer, kHIDUsage_Csmr_VolumeDecrement): 'volume_down'
}
class PygletDevice(Device):
def __init__(self, display, device, manager):
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super(PygletDevice, self).__init__(display=display, name=device.product)
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self.device = device
self.device_identifier = self.device.unique_identifier()
self.device.add_value_observer(self)
self.device.add_removal_observer(self)
manager.matching_observers.add(self)
self._create_controls()
self._is_open = False
self._is_exclusive = False
def open(self, window=None, exclusive=False):
super(PygletDevice, self).open(window, exclusive)
self.device.open(exclusive)
self.device.schedule_with_run_loop()
self._is_open = True
self._is_exclusive = exclusive
self._set_initial_control_values()
def close(self):
super(PygletDevice, self).close()
self.device.close()
self._is_open = False
def get_controls(self):
return list(self._controls.values())
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def get_guid(self):
"""Generate an SDL2 style GUID from the product guid."""
if self.device.transport == 'USB':
bustype = 0x03
vendor, product, version = self.device_identifier[2:5]
# Byte swap (ABCD --> CDAB):
bustype = ((bustype << 8) | (bustype >> 8)) & 0xFFFF
vendor = ((vendor << 8) | (vendor >> 8)) & 0xFFFF
product = ((product << 8) | (product >> 8)) & 0xFFFF
version = ((version << 8) | (version >> 8)) & 0xFFFF
return "{:04x}0000{:04x}0000{:04x}0000{:04x}0000".format(bustype, vendor, product, version)
elif self.device.transport == 'BLUETOOTH':
bustype = 0x05
# Byte swap (ABCD --> CDAB):
bustype = ((bustype << 8) | (bustype >> 8)) & 0xFFFF
# TODO: test fallback to vendor id if no product name:
name = self.device.product or str(self.device.vendorID)
name = name.encode().hex()
return "{:04x}0000{:0<24}".format(bustype, name)
rua
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def device_removed(self, hid_device):
# Called by device when it is unplugged.
# Set device to None, but Keep self._controls around
# in case device is plugged back in.
self.device = None
def device_discovered(self, hid_device):
# Called by HID manager when new device is found.
# If our device was disconnected, reconnect when it is plugged back in.
if not self.device and self.device_identifier == hid_device.unique_identifier():
self.device = hid_device
self.device.add_value_observer(self)
self.device.add_removal_observer(self)
# Don't need to recreate controls since this is same device.
# They are indexed by cookie, which is constant.
if self._is_open:
self.device.open(self._is_exclusive)
self.device.schedule_with_run_loop()
def device_value_changed(self, hid_device, hid_value):
# Called by device when input value changes.
control = self._controls[hid_value.element.cookie]
control.value = hid_value.intvalue
def _create_controls(self):
self._controls = {}
for element in self.device.elements:
raw_name = element.name or '0x%x:%x' % (element.usagePage, element.usage)
if element.type in (kIOHIDElementTypeInput_Misc, kIOHIDElementTypeInput_Axis):
name = _axis_names.get((element.usagePage, element.usage))
if element.isRelative:
control = RelativeAxis(name, raw_name)
else:
control = AbsoluteAxis(name, element.logicalMin, element.logicalMax, raw_name)
elif element.type == kIOHIDElementTypeInput_Button:
name = _button_names.get((element.usagePage, element.usage))
control = Button(name, raw_name)
else:
continue
control._cookie = element.cookie
self._controls[control._cookie] = control
def _set_initial_control_values(self):
# Must be called AFTER the device has been opened.
for element in self.device.elements:
if element.cookie in self._controls:
control = self._controls[element.cookie]
hid_value = self.device.get_value(element)
if hid_value:
control.value = hid_value.intvalue
######################################################################
commit about v 0.5.2 release comming(no DEMO)
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rua
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_manager = HIDManager()
def get_devices(display=None):
return [PygletDevice(display, device, _manager) for device in _manager.devices]
def get_joysticks(display=None):
return [Joystick(PygletDevice(display, device, _manager)) for device in _manager.devices
if device.is_joystick() or device.is_gamepad() or device.is_multi_axis()]
def get_apple_remote(display=None):
for device in _manager.devices:
if device.product == 'Apple IR':
return AppleRemote(PygletDevice(display, device, _manager))
commit about v 0.5.2 release comming(no DEMO)
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pyglet update
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def _create_controller(device, display):
mapping = get_mapping(device.get_guid())
if not mapping:
return
return Controller(PygletDevice(display, device, _manager), mapping)
def get_controllers(display=None):
return [controller for controller in
[_create_controller(device, display) for device in _manager.devices]
if controller is not None]
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