def callback(proxy, event_type, event, reference):
SUPPRESS_EVENT = None
PASS_EVENT_THROUGH = event
# Don't pass on meta events meant for this event tap.
is_unexpected_event = event_type not in self._KEYBOARD_EVENTS
if is_unexpected_event:
if event_type == kCGEventTapDisabledByTimeout:
# Re-enable the tap and hope we act faster next time
CGEventTapEnable(self._tap, True)
plover.log.warning(
"Keystrokes may have been missed. "
+ "Keyboard event tap has been re-enabled. ")
return SUPPRESS_EVENT
# Don't intercept the event if it has modifiers, allow
# Fn and Numeric flags so we can suppress the arrow and
# extended (home, end, etc...) keys.
suppressible_modifiers = (kCGEventFlagMaskNumericPad |
kCGEventFlagMaskSecondaryFn |
kCGEventFlagMaskNonCoalesced)
has_nonsupressible_modifiers = \
CGEventGetFlags(event) & ~suppressible_modifiers
if has_nonsupressible_modifiers:
return PASS_EVENT_THROUGH
keycode = CGEventGetIntegerValueField(
event, kCGKeyboardEventKeycode)
key = KEYCODE_TO_KEY.get(keycode)
self._async_dispatch(key, event_type)
if key in self._suppressed_keys:
return SUPPRESS_EVENT
return PASS_EVENT_THROUGH
def callback(proxy, event_type, event, reference):
# Don't pass on meta events meant for this event tap.
if event_type not in self._KEYBOARD_EVENTS:
return None
# Don't intercept events from this module.
if (CGEventGetIntegerValueField(event, kCGEventSourceStateID) ==
MY_EVENT_SOURCE_ID):
return event
# Don't intercept the event if it has modifiers.
if CGEventGetFlags(event) & ~kCGEventFlagMaskNonCoalesced:
return event
keycode = CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode)
if keycode not in KEYCODE_TO_CHAR:
return event
char = KEYCODE_TO_CHAR[keycode]
handler_name = 'key_up' if event_type == kCGEventKeyUp else 'key_down'
handler = getattr(self, handler_name, lambda event: None)
handler(KeyboardEvent(char))
return None if self.is_keyboard_suppressed() else event
def callback(proxy, event_type, event, reference):
# Don't pass on meta events meant for this event tap.
if event_type not in self._KEYBOARD_EVENTS:
return None
# Don't intercept the event if it has modifiers, allow
# Fn and Numeric flags so we can suppress the arrow and
# extended (home, end, etc...) keys.
if CGEventGetFlags(event) & ~(kCGEventFlagMaskNumericPad
| kCGEventFlagMaskSecondaryFn
| kCGEventFlagMaskNonCoalesced):
return event
keycode = CGEventGetIntegerValueField(event,
kCGKeyboardEventKeycode)
key = KEYCODE_TO_KEY.get(keycode)
if key is not None:
handler = self.key_up if event_type == kCGEventKeyUp else self.key_down
handler(key)
if key in self._suppressed_keys:
# Suppress event.
event = None
return event
def callback(proxy, type, event, refcon):
if self.pid == CGEventGetIntegerValueField(
event, kCGEventTargetUnixProcessID):
CGEventPostToPid(pid, event)
return event