keys.py

import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode
from adafruit_hid.consumer_control import ConsumerControl
from adafruit_hid.consumer_control_code import ConsumerControlCode
from adafruit_hid.mouse import Mouse
# https://github.com/adafruit/Adafruit_CircuitPython_HID/tree/main/adafruit_hid

class Keys:
    def __init__(self):
        self.kbd = Keyboard(usb_hid.devices)
        self.mouse = Mouse(usb_hid.devices)
        self.codes = {}
        self.pressed = {}
        self.mouse_keys = {'MOUSE_UP': False, 'MOUSE_DOWN': False,
                           'MOUSE_LEFT': False, 'MOUSE_RIGHT': False}
        #self.mouse_buttons = {'LEFT_BUTTON': Mouse.LEFT_BUTTON,
        #                      'MIDDlE_BUTTON': Mouse.MIDDLE_BUTTON,
        #                      'RIGHT_BUTTON': Mouse.RIGHT_BUTTON}

        print(dir(Keycode))
        for key in dir(Keycode):
            if key != key.upper() or key.startswith('_'):
                continue
            exec(f'code = Keycode.{key}', globals())
            self.codes[key] = code
            self.pressed[key] = False
        print(sorted(self.codes.items()))


    def toggle_shift(self):
        key = 'SHIFT'
        if self.pressed['SHIFT']:
            self.kbd.release(self.codes[key])
            self.pressed[key] = False
        else:
            self.kbd.press(self.codes[key])
            self.pressed[key] = True

    def press(self, key):
        print('Press:', key)
        if key.startswith('S_'):
            self.toggle_shift()
            key = '_'.join(key.split('_')[1:])
        if 'MOUSE' in key:
            self.mouse_keys[key] = True
        elif key.endswith('_BUTTON'):
            exec(f'code = Mouse.{key}', globals())
            self.mouse.press(code)
        elif 'SHIFT' in key:
            self.toggle_shift()
        else:
            assert(not self.pressed[key])
            print(key, self.codes[key])
            self.kbd.press(self.codes[key])
            self.pressed[key] = True

    def release(self, key):
        print('Release:', key)
        if key.startswith('S_'):
            self.toggle_shift()
            key = '_'.join(key.split('_')[1:])
        if 'MOUSE' in key:
            self.mouse_keys[key] = False
        elif key.endswith('_BUTTON'):
            #self.mouse.release(self.mouse_buttons[key])
            exec(f'code = Mouse.{key}', globals())
            self.mouse.press(code)
        elif 'SHIFT' in key:
            self.toggle_shift()
        else:
            assert(self.pressed[key])
            self.kbd.release(self.codes[key])
            self.pressed[key] = False

    def move_mouse(self):
        x, y = 0, 0
        if self.mouse_keys['MOUSE_UP']:
            y += 4
        if self.mouse_keys['MOUSE_DOWN']:
            y -= 4
        if self.mouse_keys['MOUSE_RIGHT']:
            x += 4
        if self.mouse_keys['MOUSE_LEFT']:
            x -= 4
        self.mouse.move(x, y)


    #def pressed(self, key):swb;waaadd
    #    return self.pressed[key]