class QEventLoop(QObject):
def __init__(self):
super(QObject, self).__init__()
self.hooks = []
self.waiting_for_shot = False
self.started = False
self.run_count = 0
self.timer = QTimer(self)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self._run)
def start(self):
logger.debug("Starting event loop")
self.started = True
self._activate()
def stop(self):
logger.debug("Stopping event loop")
self.timer.stop()
self.started = False
def register_hook(self, hook):
logger.debug(msg("Registering hook", hook))
self.hooks.append(hook)
self._activate()
def unregister_hook(self, hook):
try:
self.hooks.remove(hook)
except:
pass
self._activate()
def _activate(self):
if len(self.hooks) > 0 and not self.waiting_for_shot and self.started:
self.waiting_for_shot = True
self.timer.start(10)
if self.run_count % 1000 == 0:
logger.debug(msg(
"Activating eventloop, timerID:", self.timer.timerId()))
@pyqtSlot()
def _run(self):
if self.run_count % 1000 == 0:
logger.debug("Running hooks")
self.run_count += 1
for h in self.hooks:
h()
self.waiting_for_shot = False
self._activate()
def __del__(self):
logger.debug("Deleting event event loop")
self.stop()
class Timer:
def __init__(self, interval, column, callback):
self.interval = interval
self.column = column
self.callback = callback
self.timer = QTimer()
self.timer.timeout.connect(self.__on_timeout)
self.timer.start(interval)
def __on_timeout(self):
self.callback(self.column)
def get_id(self):
return self.timer.timerId()
def stop(self):
self.timer.stop()
class Timer:
def __init__(self, interval, column, callback):
self.interval = interval
self.column = column
self.callback = callback
self.timer = QTimer()
self.timer.timeout.connect(self.__on_timeout)
self.timer.start(interval)
def __on_timeout(self):
self.callback(self.column)
def get_id(self):
return self.timer.timerId()
def stop(self):
self.timer.stop()
def createTimer(self):
timer = QTimer()
timer.start()
self.timers[timer.timerId()] = timer
print >> sys.stderr, 'Created new timer with ID', timer.timerId()
return timer
def createTimer(self):
timer = QTimer()
timer.start()
self.timers[timer.timerId()] = timer
print >> sys.stderr, 'Created new timer with ID', timer.timerId()
return timer
