def run(self):
self._setup()
self._timer_proc = types.TIMERPROC(self._timer_func)
self._timer = timer = _user32.SetTimer(0, 0, 0, self._timer_proc)
self._polling = False
self._allow_polling = True
msg = types.MSG()
self.dispatch_event('on_enter')
while not self.has_exit:
if self._polling:
while _user32.PeekMessageW(ctypes.byref(msg), 0, 0, 0,
constants.PM_REMOVE):
_user32.TranslateMessage(ctypes.byref(msg))
_user32.DispatchMessageW(ctypes.byref(msg))
self._timer_func(0, 0, timer, 0)
else:
_user32.GetMessageW(ctypes.byref(msg), 0, 0, 0)
_user32.TranslateMessage(ctypes.byref(msg))
_user32.DispatchMessageW(ctypes.byref(msg))
# Manual idle event
msg_types = \
_user32.GetQueueStatus(constants.QS_ALLINPUT) & 0xffff0000
if (msg.message != constants.WM_TIMER
and not msg_types & ~(constants.QS_TIMER << 16)):
self._timer_func(0, 0, timer, 0)
self.dispatch_event('on_exit')
def set_timer(self, func, interval):
if func is None or interval is None:
interval = constants.USER_TIMER_MAXIMUM
else:
interval = int(interval * 1000) # milliseconds
self._timer_func = func
_user32.SetTimer(0, self._timer, interval, self._timer_proc)
def _timer_func(self, hwnd, msg, timer, t):
sleep_time = self.idle()
if sleep_time is None:
# Block indefinitely
millis = constants.USER_TIMER_MAXIMUM
self._next_idle_time = None
self._polling = False
_user32.SetTimer(0, timer, millis, self._timer_proc)
elif sleep_time < 0.01 and self._allow_polling:
# Degenerate to polling
millis = constants.USER_TIMER_MAXIMUM
self._next_idle_time = 0.
if not self._polling:
self._polling = True
_user32.SetTimer(0, timer, millis, self._timer_proc)
else:
# Block until timer
# XXX hack to avoid oversleep; needs to be api
sleep_time = max(sleep_time - 0.01, 0)
millis = int(sleep_time * 1000)
self._next_idle_time = time.time() + sleep_time
self._polling = False
_user32.SetTimer(0, timer, millis, self._timer_proc)
def __init__(self):
super(Win32EventLoop, self).__init__()
self._next_idle_time = None
# Force immediate creation of an event queue on this thread -- note
# that since event loop is created on pyglet.app import, whatever
# imports pyglet.app _must_ own the main run loop.
msg = types.MSG()
_user32.PeekMessageW(ctypes.byref(msg), 0, constants.WM_USER,
constants.WM_USER, constants.PM_NOREMOVE)
self._event_thread = _kernel32.GetCurrentThreadId()
self._wait_objects = []
self._recreate_wait_objects_array()
self._timer_proc = types.TIMERPROC(self._timer_proc_func)
self._timer = _user32.SetTimer(0, 0, constants.USER_TIMER_MAXIMUM,
self._timer_proc)