diff options
Diffstat (limited to 'gr-wxgui/src/python')
| -rw-r--r-- | gr-wxgui/src/python/common.py | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/gr-wxgui/src/python/common.py b/gr-wxgui/src/python/common.py index aae4d63cf..9bf3094f2 100644 --- a/gr-wxgui/src/python/common.py +++ b/gr-wxgui/src/python/common.py @@ -55,39 +55,37 @@ class wxgui_hb(object): Initially call the handler to setup the fg. Bind the handler to the visibility meta event. """ - handler = self._conditional_connect_handler_factory( - source=source, sink=sink, win=self.win, hb=self, - size=self._hb.input_signature().sizeof_stream_item(0), - ) + handler = self._conditional_connect_handler_factory(source=source, sink=sink) handler(False, init=True) #initially connect self._bind_to_visible_event(win=self.win, handler=handler) - @staticmethod - def _conditional_connect_handler_factory(source, sink, hb, win, size): + def _conditional_connect_handler_factory(self, source, sink): """ Create a function that will handle the re-connections based on a flag. The current state of the connection is stored in the namespace. + !!!#TODO This entire method could be replaced with a mute block that starves the stream. """ nulls = list() cache = [None] + size = self._hb.input_signature().sizeof_stream_item(0) def callback(visible, init=False): if visible == cache[0]: return cache[0] = visible - if not init: hb.lock() + if not init: self.lock() #print 'visible', visible, source, sink if visible: if not init: - hb.disconnect(source, nulls[0]) - hb.disconnect(nulls[1], nulls[2]) - hb.disconnect(nulls[2], sink) + self.disconnect(source, nulls[0]) + self.disconnect(nulls[1], nulls[2]) + self.disconnect(nulls[2], sink) while nulls: nulls.pop() - hb.connect(source, sink) + self.connect(source, sink) else: - if not init: hb.disconnect(source, sink) + if not init: self.disconnect(source, sink) nulls.extend([gr.null_sink(size), gr.null_source(size), gr.head(size, 0)]) - hb.connect(source, nulls[0]) - hb.connect(nulls[1], nulls[2], sink) - if not init: hb.unlock() + self.connect(source, nulls[0]) + self.connect(nulls[1], nulls[2], sink) + if not init: self.unlock() return callback @staticmethod |