56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
from kmk.extensions import Extension
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from kmk.key_validators import mod_tap_validator
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from kmk.keys import make_argumented_key
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from kmk.kmktime import accurate_ticks, accurate_ticks_diff
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class ModTap(Extension):
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def __init__(self):
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self._mod_tap_timer = None
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make_argumented_key(
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validator=mod_tap_validator,
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names=('MT',),
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on_press=self.mt_pressed,
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on_release=self.mt_released,
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)
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def on_runtime_enable(self, keyboard):
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return
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def on_runtime_disable(self, keyboard):
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return
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def during_bootup(self, keyboard):
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return
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def before_matrix_scan(self, keyboard):
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return
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def after_matrix_scan(self, keyboard, matrix_update):
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return
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def before_hid_send(self, keyboard):
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return
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def after_hid_send(self, keyboard):
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return
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def mt_pressed(self, key, state, *args, **kwargs):
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'''Sets the timer start and acts like a modifier otherwise'''
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state.keys_pressed.add(key.meta.mods)
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self._mod_tap_timer = accurate_ticks()
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return state
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def mt_released(self, key, state, *args, **kwargs):
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''' On keyup, check timer, and press key if needed.'''
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state.keys_pressed.discard(key.meta.mods)
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if self._mod_tap_timer and (
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accurate_ticks_diff(accurate_ticks(), self._mod_tap_timer, state.tap_time)
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):
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state.hid_pending = True
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state.tap_key(key.meta.kc)
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self._mod_tap_timer = None
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return state
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