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Add ScrollDirection class for the Pimoroni Trackball

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Signed-off-by: Salvatore La Bua <slabua@gmail.com>
This commit is contained in:
Salvatore La Bua 2022-07-22 09:22:58 +09:00 committed by xs5871
parent f674ac6b13
commit 5ba865e4c6
2 changed files with 12 additions and 5 deletions
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6
docs/pimoroni_trackball.md
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@ -25,15 +25,15 @@ If you have used this thing on a mobile device, you will know it excels at curso
```python ```python
from kmk.modules.pimoroni_trackball import Trackball, TrackballMode, PointingHandler, KeyHandler, ScrollHandler from kmk.modules.pimoroni_trackball import Trackball, TrackballMode, PointingHandler, KeyHandler, ScrollHandler, ScrollDirection
trackball = Trackball(i2c, mode=TrackballMode.MOUSE_MODE, handlers=[ trackball = Trackball(i2c, mode=TrackballMode.MOUSE_MODE, handlers=[
# act like an encoder, input arrow keys # act like an encoder, input arrow keys
KeyHandler(KC.UP, KC.RIGHT, KC.DOWN, KC.LEFT, KC.ENTER), KeyHandler(KC.UP, KC.RIGHT, KC.DOWN, KC.LEFT, KC.ENTER),
# on layer 1 and above use the default pointing behavior # on layer 1 and above use the default pointing behavior
PointingHandler(), PointingHandler(),
# use scrolling='natural' (default) or 'reverse' to change the scrolling direction # use scrolling=ScrollDirection.NATURAL (default) or REVERSE to change the scrolling direction
ScrollHandler(scrolling='natural') ScrollHandler(scrolling=ScrollDirection.NATURAL)
]) ])
# now you can use these KeyCodes: # now you can use these KeyCodes:

11
kmk/modules/pimoroni_trackball.py
View File

@ -64,6 +64,13 @@ class TrackballMode:
SCROLL_MODE = const(1) SCROLL_MODE = const(1)
class ScrollDirection:
'''Behaviour mode of scrolling: natural or reverse scrolling'''
NATURAL = const(0)
REVERSE = const(1)
class TrackballHandler: class TrackballHandler:
def handle(self, keyboard, trackball, x, y, switch, state): def handle(self, keyboard, trackball, x, y, switch, state):
raise NotImplementedError raise NotImplementedError
@ -96,11 +103,11 @@ class PointingHandler(TrackballHandler):
class ScrollHandler(TrackballHandler): class ScrollHandler(TrackballHandler):
def __init__(self, scrolling='natural'): def __init__(self, scrolling=ScrollDirection.NATURAL):
self.scrolling = scrolling self.scrolling = scrolling
def handle(self, keyboard, trackball, x, y, switch, state): def handle(self, keyboard, trackball, x, y, switch, state):
if self.scrolling == 'reverse': if self.scrolling == ScrollDirection.REVERSE:
y = -y y = -y
pointing_device = trackball.pointing_device pointing_device = trackball.pointing_device