0f6dfb3f1a
until now, if a module had registered callbacks, events for nonexistent buttons caused the trigger mechanism to raise an exception.
47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
import uuid
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import logging
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import util.cli
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LEFT_MOUSE = 1
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MIDDLE_MOUSE = 2
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RIGHT_MOUSE = 3
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WHEEL_UP = 4
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WHEEL_DOWN = 5
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def button_name(button):
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if button == LEFT_MOUSE: return 'left-mouse'
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if button == RIGHT_MOUSE: return 'right-mouse'
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if button == MIDDLE_MOUSE: return 'middle-mouse'
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if button == WHEEL_UP: return 'wheel-up'
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if button == WHEEL_DOWN: return 'wheel-down'
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return 'n/a'
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callbacks = {}
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class Object(object):
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def __init__(self):
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super(Object, self).__init__()
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self.id = str(uuid.uuid4())
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def register(obj, button=None, cmd=None):
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logging.debug('registering callback {} {}'.format(obj.id, button))
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callbacks.setdefault(obj.id, {}).setdefault(button, []).append(cmd)
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def trigger(event):
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for field in ['instance', 'name']:
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if field in event:
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cb = callbacks.get(event[field])
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__invoke(event, cb)
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def __invoke(event, callback):
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if not callback: return
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if not 'button' in event: return
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for cb in callback.get(event['button'], []):
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if callable(cb):
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cb(event)
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else:
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util.cli.execute(cb, wait=False)
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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