def observeNotifications(elem, notificationNames, callback, reactor=None):
pid = elementPID(elem)
err, observer = AXObserverCreateWithInfoCallback(pid,
createCallback(callback),
None)
source = AXObserverGetRunLoopSource(observer)
if reactor:
CFRunLoopAddSource(reactor._cfrunloop, source, kCFRunLoopCommonModes)
else:
CFRunLoopAddSource(CFRunLoopGetCurrent(), source,
kCFRunLoopCommonModes)
for name in notificationNames:
AXObserverAddNotification(observer, elem, name, None)
if reactor:
reactor.run()
else:
handle_signals()
CFRunLoopRun()
def run(self):
source = CFMachPortCreateRunLoopSource(None, self._tap, 0)
handler_thread = threading.Thread(target=self._event_handler,
name="KeyEventDispatcher")
handler_thread.start()
self._loop = CFRunLoopGetCurrent()
CFRunLoopAddSource(self._loop, source, kCFRunLoopCommonModes)
CGEventTapEnable(self._tap, True)
CFRunLoopRun()
# Wake up event handler.
self._event_queue.put_nowait(None)
handler_thread.join()
CFMachPortInvalidate(self._tap)
CFRelease(self._tap)
CFRunLoopSourceInvalidate(source)
def handle_signals():
def stop(cffd, cbt, info):
CFRunLoopStop(CFRunLoopGetCurrent())
r, w = os.pipe()
cffd = CFFileDescriptorCreate(None, r, False, stop, None)
CFFileDescriptorEnableCallBacks(cffd, kCFFileDescriptorReadCallBack)
cfrlsrc = CFFileDescriptorCreateRunLoopSource(None, cffd, 0)
CFRunLoopAddSource(CFRunLoopGetCurrent(), cfrlsrc, kCFRunLoopDefaultMode)
def nop(signum, stackframe):
pass
import signal
signal.set_wakeup_fd(w)
signal.signal(signal.SIGINT, nop)
signal.signal(signal.SIGTERM, nop)
def run_mac(self):
from Quartz import (
CGEventTapCreate,
CFMachPortCreateRunLoopSource,
CFRunLoopAddSource,
CFRunLoopGetCurrent,
CGEventTapEnable,
CGEventMaskBit,
CFRunLoopRun,
CGEventGetIntegerValueField,
CGEventPostToPid,
kCGEventKeyDown,
kCGEventKeyUp,
kCGEventFlagsChanged,
kCGSessionEventTap,
kCGHeadInsertEventTap,
kCGEventTargetUnixProcessID,
kCFAllocatorDefault,
kCFRunLoopDefaultMode,
)
pid = QCoreApplication.applicationPid()
def callback(proxy, type, event, refcon):
if self.pid == CGEventGetIntegerValueField(
event, kCGEventTargetUnixProcessID):
CGEventPostToPid(pid, event)
return event
tap = CGEventTapCreate(
kCGSessionEventTap, kCGHeadInsertEventTap, 0,
CGEventMaskBit(kCGEventKeyDown) | CGEventMaskBit(kCGEventKeyUp)
| CGEventMaskBit(kCGEventFlagsChanged), callback, None)
if tap:
source = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, tap, 0)
self.runLoop = CFRunLoopGetCurrent()
CFRunLoopAddSource(self.runLoop, source, kCFRunLoopDefaultMode)
CGEventTapEnable(tap, True)
CFRunLoopRun()
def run(self):
self._running_thread = CFRunLoopGetCurrent()
CFRunLoopAddSource(self._running_thread, self._source,
kCFRunLoopCommonModes)
CGEventTapEnable(self._tap, True)
CFRunLoopRun()
def _make_run_loop_source(port):
source = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, port, 0)
assert source is not None
CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopCommonModes)
return source