def on_panic(self, button):
"""
Callback for the Panic Button. Stops all running cues and automation tasks
"""
p = self.__main_window.project
ft = p.panic_fade_time
delta = now()-self.__last_panic_time
logger.warning("PANIC! Stopping all cues and automation over {0} ms. It has been {1}ms since the last panic".format(ft, delta))
self.__main_window.send_stop_all(fade=ft if delta > 1000 else 0)
self.__last_panic_time = delta
self.__main_window.refocus_cuelist()
def tick(self):
if self.playing or self.paused:
if self.__fading:
# Adjust volume according to fade curve
if self.__fade_start_time == -1:
self.__fade_start_time = now()
current_time = now()
v, cont = self.__fade_func(self.__fade_start_vol, self.__fade_target_volume,
int(self.__fade_start_time), int(self.__fade_duration),
current_time, self.__fade_func_args) \
if callable(self.__fade_func) else self.__fade_target_volume
logger.debug("Fade Curve returned target volume {0}. Continuing: {1}".format(v, cont))
# Clamp result
if self.__fade_start_vol < self.__fade_target_volume <= v:
logger.debug("CLAMPING: Higher than target volume")
v = self.__fade_target_volume
self.__fading = False
elif self.__fade_start_vol > self.__fade_target_volume >= v:
logger.debug("CLAMPING: Lower than target volume")
v = self.__fade_target_volume
self.__fading = False
elif not cont:
logger.debug("CLAMPING: Fade Function asked to stop")
v = self.__fade_target_volume
self.__fading = False
# Apply Volume Change
self.__vol.set_property('volume', v)
# If we're done fading, run callback
if not self.__fading and callable(self.__fade_complete_func):
self.__fade_complete_func()
self.emit('tick')
self.__last_update_time = now()
return self.__active
