core/src: remove unused num_pad.py

core/src/trezor/ui/num_pad.py

@@ -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