mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 21:48:13 +00:00
131 lines
3.7 KiB
Python
131 lines
3.7 KiB
Python
import time
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from typing import Iterator, Tuple
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Coords = Tuple[int, int]
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DISPLAY_WIDTH = 240
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DISPLAY_HEIGHT = 240
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def grid(dim: int, grid_cells: int, cell: int) -> int:
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step = dim // grid_cells
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ofs = step // 2
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return cell * step + ofs
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LEFT = grid(DISPLAY_WIDTH, 3, 0)
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MID = grid(DISPLAY_WIDTH, 3, 1)
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RIGHT = grid(DISPLAY_WIDTH, 3, 2)
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TOP = grid(DISPLAY_HEIGHT, 4, 0)
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BOTTOM = grid(DISPLAY_HEIGHT, 4, 3)
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OK = (RIGHT, BOTTOM)
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CANCEL = (LEFT, BOTTOM)
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INFO = (MID, BOTTOM)
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CORNER_BUTTON = (215, 25)
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CONFIRM_WORD = (MID, TOP)
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TOP_ROW = (MID, TOP)
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RESET_MINUS = (LEFT, grid(DISPLAY_HEIGHT, 5, 1))
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RESET_PLUS = (RIGHT, grid(DISPLAY_HEIGHT, 5, 1))
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RESET_WORD_CHECK = [
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(MID, grid(DISPLAY_HEIGHT, 5, 2)),
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(MID, grid(DISPLAY_HEIGHT, 5, 3)),
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(MID, grid(DISPLAY_HEIGHT, 5, 4)),
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]
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BUTTON_LETTERS_BIP39 = ("abc", "def", "ghi", "jkl", "mno", "pqr", "stu", "vwx", "yz")
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BUTTON_LETTERS_SLIP39 = ("ab", "cd", "ef", "ghij", "klm", "nopq", "rs", "tuv", "wxyz")
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# fmt: off
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PASSPHRASE_LOWERCASE = (" ", "abc", "def", "ghi", "jkl", "mno", "pqrs", "tuv", "wxyz", "*#")
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PASSPHRASE_UPPERCASE = (" ", "ABC", "DEF", "GHI", "JKL", "MNO", "PQRS", "TUV", "WXYZ", "*#")
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PASSPHRASE_DIGITS = ("1", "2", "3", "4", "5", "6", "7", "8", "9", "0")
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PASSPHRASE_SPECIAL = ("_<>", ".:@", "/|\\", "!()", "+%&", "-[]", "?{}", ",'`", ";\"~", "$^=")
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# fmt: on
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def get_passphrase_choices(char: str) -> tuple[str, ...]:
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if char in " *#":
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return PASSPHRASE_LOWERCASE
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if char.islower():
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return PASSPHRASE_LOWERCASE
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elif char.isupper():
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return PASSPHRASE_UPPERCASE
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elif char.isdigit():
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return PASSPHRASE_DIGITS
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else:
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return PASSPHRASE_SPECIAL
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def passphrase(char: str) -> Tuple[Coords, int]:
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choices = get_passphrase_choices(char)
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idx = next(i for i, letters in enumerate(choices) if char in letters)
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click_amount = choices[idx].index(char) + 1
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return pin_passphrase_index(idx), click_amount
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def pin_passphrase_index(idx: int) -> Coords:
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if idx == 9:
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idx = 10 # last digit is in the middle
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return pin_passphrase_grid(idx)
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def pin_passphrase_grid(idx: int) -> Coords:
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grid_x = idx % 3
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grid_y = idx // 3 + 1 # first line is empty
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return grid35(grid_x, grid_y)
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def grid35(x: int, y: int) -> Coords:
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return grid(DISPLAY_WIDTH, 3, x), grid(DISPLAY_HEIGHT, 5, y)
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def grid34(x: int, y: int) -> Coords:
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return grid(DISPLAY_WIDTH, 3, x), grid(DISPLAY_HEIGHT, 4, y)
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def _grid34_from_index(idx: int) -> Coords:
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grid_x = idx % 3
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grid_y = idx // 3 + 1 # first line is empty
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return grid34(grid_x, grid_y)
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def type_word(word: str, is_slip39: bool = False) -> Iterator[Coords]:
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if is_slip39:
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yield from _type_word_slip39(word)
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else:
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yield from _type_word_bip39(word)
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def _type_word_slip39(word: str) -> Iterator[Coords]:
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for l in word:
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idx = next(i for i, letters in enumerate(BUTTON_LETTERS_SLIP39) if l in letters)
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yield _grid34_from_index(idx)
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def _type_word_bip39(word: str) -> Iterator[Coords]:
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coords_prev: Coords | None = None
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for letter in word:
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time.sleep(0.1) # not being so quick to miss something
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coords, amount = _letter_coords_and_amount(letter)
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# If the button is the same as for the previous letter,
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# waiting a second before pressing it again.
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if coords == coords_prev:
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time.sleep(1.1)
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coords_prev = coords
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for _ in range(amount):
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yield coords
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def _letter_coords_and_amount(letter: str) -> Tuple[Coords, int]:
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idx = next(i for i, letters in enumerate(BUTTON_LETTERS_BIP39) if letter in letters)
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click_amount = BUTTON_LETTERS_BIP39[idx].index(letter) + 1
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return _grid34_from_index(idx), click_amount
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