diff options
Diffstat (limited to 'ranger/ext/signals.py')
| -rw-r--r-- | ranger/ext/signals.py | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/ranger/ext/signals.py b/ranger/ext/signals.py index ecb48de3..0df39fe0 100644 --- a/ranger/ext/signals.py +++ b/ranger/ext/signals.py @@ -126,7 +126,7 @@ class SignalDispatcher(object): handler._function = None self._signals = dict() - def signal_bind(self, signal_name, function, priority=0.5, weak=False): + def signal_bind(self, signal_name, function, priority=0.5, weak=False, autosort=True): """ Bind a function to the signal. @@ -162,9 +162,25 @@ class SignalDispatcher(object): handler = SignalHandler(signal_name, function, priority, nargs > 0) handlers.append(handler) - handlers.sort(key=lambda handler: -handler._priority) + if autosort: + handlers.sort(key=lambda handler: -handler._priority) return handler + def signal_force_sort(self, signal_name=None): + """ + Forces a sorting of signal handlers by priority. + + This is only necessary if you used signal_bind with autosort=False + after finishing to bind many signals at once. + """ + if signal_name is None: + for handlers in self._signals.values(): + handlers.sort(key=lambda handler: -handler._priority) + elif signal_name in self._signals: + self._signals[signal_name].sort(key=lambda handler: -handler._priority) + else: + return False + def signal_unbind(self, signal_handler): """ Removes a signal binding. |