123 lines
4.2 KiB
Python
123 lines
4.2 KiB
Python
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from kmk.keys import KC, make_argumented_key
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from kmk.modules.holdtap import ActivationType, HoldTap, HoldTapKeyMeta
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class TapDanceKeyMeta:
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def __init__(self, *keys, tap_time=None):
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'''
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Any key in the tapdance sequence that is not already a holdtap
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key gets converted to a holdtap key with identical tap and hold
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meta attributes.
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'''
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self.tap_time = tap_time
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self.keys = []
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for key in keys:
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if not isinstance(key.meta, HoldTapKeyMeta):
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ht_key = KC.HT(
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tap=key,
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hold=key,
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prefer_hold=True,
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tap_interrupted=False,
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tap_time=self.tap_time,
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)
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self.keys.append(ht_key)
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else:
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self.keys.append(key)
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self.keys = tuple(self.keys)
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class TapDance(HoldTap):
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def __init__(self):
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super().__init__()
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make_argumented_key(
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validator=TapDanceKeyMeta,
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names=('TD',),
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on_press=self.td_pressed,
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on_release=self.td_released,
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)
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self.td_counts = {}
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def process_key(self, keyboard, key, is_pressed, int_coord):
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if isinstance(key.meta, TapDanceKeyMeta):
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if key in self.td_counts:
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return key
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for _key, state in self.key_states.copy().items():
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if state.activated == ActivationType.RELEASED:
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keyboard.cancel_timeout(state.timeout_key)
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self.ht_activate_tap(_key, keyboard)
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self.send_key_buffer(keyboard)
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self.ht_deactivate_tap(_key, keyboard)
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keyboard.resume_process_key(self, key, is_pressed, int_coord)
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key = None
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del self.key_states[_key]
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del self.td_counts[state.tap_dance]
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key = super().process_key(keyboard, key, is_pressed, int_coord)
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return key
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def td_pressed(self, key, keyboard, *args, **kwargs):
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# active tap dance
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if key in self.td_counts:
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count = self.td_counts[key]
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kc = key.meta.keys[count]
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keyboard.cancel_timeout(self.key_states[kc].timeout_key)
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count += 1
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# Tap dance reached the end of the list: send last tap in sequence
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# and start from the beginning.
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if count >= len(key.meta.keys):
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self.key_states[kc].activated = ActivationType.RELEASED
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self.on_tap_time_expired(kc, keyboard)
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count = 0
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else:
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del self.key_states[kc]
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# new tap dance
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else:
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count = 0
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current_key = key.meta.keys[count]
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self.ht_pressed(current_key, keyboard, *args, **kwargs)
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self.td_counts[key] = count
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# Add the active tap dance to key_states; `on_tap_time_expired` needs
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# the back-reference.
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self.key_states[current_key].tap_dance = key
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def td_released(self, key, keyboard, *args, **kwargs):
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try:
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kc = key.meta.keys[self.td_counts[key]]
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except KeyError:
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return
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state = self.key_states[kc]
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if state.activated == ActivationType.HOLD_TIMEOUT:
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# release hold
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self.ht_deactivate_hold(kc, keyboard, *args, **kwargs)
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del self.key_states[kc]
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del self.td_counts[key]
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elif state.activated == ActivationType.INTERRUPTED:
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# release tap
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self.ht_deactivate_on_interrupt(kc, keyboard, *args, **kwargs)
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del self.key_states[kc]
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del self.td_counts[key]
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else:
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# keep counting
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state.activated = ActivationType.RELEASED
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def on_tap_time_expired(self, key, keyboard, *args, **kwargs):
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# Note: the `key` argument is the current holdtap key in the sequence,
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# not the tapdance key.
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state = self.key_states[key]
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if state.activated == ActivationType.RELEASED:
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self.ht_activate_tap(key, keyboard, *args, **kwargs)
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self.send_key_buffer(keyboard)
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del self.td_counts[state.tap_dance]
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super().on_tap_time_expired(key, keyboard, *args, **kwargs)
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