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core/src: remove unused num_pad.py

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Pavol Rusnak 2019-07-02 00:01:31 +02:00
parent bf3c257f96
commit 3c40ab8d96
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core/src/trezor/ui/num_pad.py
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@ -1,79 +0,0 @@
from micropython import const
from trezor import res, ui
from trezor.ui.button import Button, ButtonMono, ButtonMonoDark
_ITEMS_PER_PAGE = const(10)
_BACK_BUTTON_POSITION = const(9)
_PLUS_BUTTON_POSITION = const(11)
class NumPad(ui.Layout):
def __init__(self, label: str, start: int, end: int):
"""
Generates a numpad with numbers from `start` to `end` excluding.
"""
self.label = label
self.start = start
self.end = end
self.page = 0
self.buttons = generate_buttons(self.start, self.end, self.page, self)
def dispatch(self, event, x, y):
for button in self.buttons:
button.dispatch(event, x, y)
if event is ui.RENDER:
# render header label
ui.display.text_center(
ui.WIDTH // 2, 36, self.label, ui.BOLD, ui.GREY, ui.BG
)
def on_back(self):
self.page -= 1
self.buttons = generate_buttons(self.start, self.end, self.page, self)
ui.display.clear() # we need to clear old buttons
def on_plus(self):
self.page += 1
self.buttons = generate_buttons(self.start, self.end, self.page, self)
ui.display.clear() # we need to clear old buttons
def on_select(self, number):
raise ui.Result(number)
class NumButton(Button):
def __init__(self, index, digit, pad):
self.pad = pad
area = ui.grid(index + 3) # skip the first line
super().__init__(area, str(digit), ButtonMono)
def on_click(self):
self.pad.on_select(int(self.content))
def generate_buttons(start, end, page, pad):
start = start + (_ITEMS_PER_PAGE + 1) * page - page
end = min(end, (_ITEMS_PER_PAGE + 1) * (page + 1) - page)
digits = list(range(start, end))
buttons = [NumButton(i, d, pad) for i, d in enumerate(digits)]
area = ui.grid(_PLUS_BUTTON_POSITION + 3)
plus = Button(area, str(end) + "+", ButtonMonoDark)
plus.on_click = pad.on_plus
area = ui.grid(_BACK_BUTTON_POSITION + 3)
back = Button(area, res.load(ui.ICON_BACK), ButtonMonoDark)
back.on_click = pad.on_back
if len(digits) == _ITEMS_PER_PAGE:
# move the tenth button to its proper place and make place for the back button
buttons[-1].area = ui.grid(_PLUS_BUTTON_POSITION - 1 + 3)
buttons.append(plus)
if page == 0:
back.disable()
buttons.append(back)
return buttons