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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import board
import busio
from kmk.extensions.lock_status import LockStatus
from kmk.extensions.display import Display, TextEntry, ImageEntry
from kmk.extensions.display.ssd1306 import SSD1306
class NamedLayer(TextEntry):
""" This is a named layer which return the name of the current mappng as
text.
"""
def __init__(self, keyboard, *args, **kwargs):
super().__init__(*args, **kwargs)
self._text = None
self.keyboard = keyboard
@property
def text(self):
try:
return self.keyboard.keymap[0].name
except _:
return self._text
@text.setter
def text(self, value):
self._text = value
class StatusLayer(TextEntry):
""" This layer display a status
"""
def __init__(self, text, display, prop, *args, **kwargs):
super().__init__(*args, **kwargs)
self._text = text
self.display = display
self.property = prop
@property
def text(self):
""" Return the name of the given property
"""
if getattr(self.display, self.property):
return ""
return f"{self._text}:Off"
@text.setter
def text(self, value):
""" Ignore the text given
"""
pass
class CustomDisplay(Display):
""" Create a custom Display object which refresh the display everytime the
layout is updated
"""
def __init__(self, *args, **kwargs):
self.keyboard = None
super().__init__(*args, **kwargs)
self.status = LockStatus()
self._prevLayers = None
self.numlock = False
def during_bootup(self, keyboard):
super().during_bootup(keyboard)
self.status.during_bootup(keyboard)
self.keyboard = keyboard
def after_hid_send(self, sandbox):
self.status.after_hid_send(sandbox)
if self.status.report_updated:
self.numlock = self.status.get_num_lock()
self.render(sandbox.active_layers[0])
def before_matrix_scan(self, sandbox):
""" Override the default function with the layer name as a comparaison
key
"""
super().before_matrix_scan(sandbox)
if self.keyboard.keymap[0].name != self._prevLayers:
self._prevLayers = self.keyboard.keymap[0].name
self.render(sandbox.active_layers[0])
@property
def timer_start(self):
if self.keyboard:
return self.keyboard.keymap[0].timer_start
@timer_start.setter
def timer_start(self, value):
if self.keyboard:
self.keyboard.keymap[0].timer_start = value
def main(keyboard):
driver = SSD1306(
i2c=busio.I2C(board.SCL, board.SDA),
)
display = CustomDisplay(
display=driver,
)
display.entries = [
NamedLayer(keyboard, text="", x=0, y=0),
StatusLayer(text="Num", display=display, prop="numlock", x=0, y=20),
]
keyboard.extensions.append(display)
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