def _timer_callback(interval, param):
if sdl.SDL_WasInit(sdl.SDL_INIT_VIDEO):
event = ffi.new("SDL_Event*")
event.type = ffi.cast("intptr_t", param)
# SDL will make a copy of the event while handling SDL_PushEvent,
# so we don't need to hold the allocated memory after this call.
sdl.SDL_PushEvent(event)
return interval
def post(event):
"""post(Event): return None
place a new event on the queue"""
# SDL requires video to be initialised before PushEvent does the right thing
check_video()
is_blocked = sdl.SDL_EventState(event.type, sdl.SDL_QUERY) == sdl.SDL_IGNORE
if is_blocked:
# Silently drop blocked events, since that's what pygame does
# (maybe worth logging somehow?)
return None
sdl_event = ffi.new("SDL_Event *")
sdl_event.type = event.type
sdl_event.user.code = _USEROBJECT_CHECK1
sdl_event.user.data1 = _USEROBJECT_CHECK2
sdl_event.user.data2 = ffi.cast("void*", sdl_event)
_user_events[sdl_event] = event
if sdl.SDL_PushEvent(sdl_event) == -1:
raise SDLError.from_sdl_error()
def post(event):
"""post(Event): return None
place a new event on the queue"""
# SDL requires video to be initialised before PushEvent does the right thing
check_video()
is_blocked = sdl.SDL_EventState(event.type,
sdl.SDL_QUERY) == sdl.SDL_IGNORE
if is_blocked:
raise RuntimeError("event post blocked for %s" %
event_name(event.type))
sdl_event = ffi.new("SDL_Event *")
sdl_event.type = event.type
sdl_event.user.code = _USEROBJECT_CHECK1
sdl_event.user.data1 = _USEROBJECT_CHECK2
sdl_event.user.data2 = ffi.cast("void*", sdl_event)
_user_events[sdl_event] = event
if sdl.SDL_PushEvent(sdl_event) == -1:
raise SDLError.from_sdl_error()
def _endmusic_callback():
global _current_music, _queue_music, _music_pos, _music_pos_time
if _endmusic_event is not None and sdl.SDL_WasInit(sdl.SDL_INIT_AUDIO):
# Pygame doesn't do the same checks for this path as in
# event.post, and people rely on that, so we also duplicate
# the logic
event = ffi.new('SDL_Event*')
event.type = _endmusic_event
sdl.SDL_PushEvent(event)
if _queue_music:
if _current_music:
sdl.Mix_FreeMusic(_current_music)
_current_music = _queue_music
_queue_music = None
sdl.Mix_HookMusicFinished(_endmusic_callback)
_music_pos = 0
sdl.Mix_PlayMusic(_current_music, 0)
else:
_music_pos_time = -1
sdl.Mix_SetPostMix(ffi.NULL, ffi.NULL)
def _endsound_callback(channelnum):
if not _channeldata:
return
data = _channeldata[channelnum]
# post sound ending event
if data.endevent != sdl.SDL_NOEVENT and sdl.SDL_WasInit(sdl.SDL_INIT_VIDEO):
event = ffi.new('SDL_Event*')
event.type = data.endevent
if event.type >= sdl.SDL_USEREVENT and event.type < sdl.SDL_NUMEVENTS:
event.user.code = channelnum
sdl.SDL_PushEvent(event)
if data.queue:
sound_chunk = data.sound.chunk
data.sound = data.queue
data.queue = None
channelnum = sdl.Mix_PlayChannelTimed(channelnum, sound_chunk, 0, -1)
if channelnum != -1:
sdl.Mix_GroupChannel(channelnum, data.sound._chunk_tag)
else:
data.sound = None
def _timer_callback(interval, param):
if sdl.SDL_WasInit(sdl.SDL_INIT_VIDEO):
event = ffi.new("SDL_Event")
event.type = ffi.cast("intptr_t", param)
sdl.SDL_PushEvent(event)
return interval
