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288 lines
8.3 KiB
288 lines
8.3 KiB
from micropython import const
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from trezor import loop, res, ui, utils
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from .button import Button, ButtonCancel, ButtonConfirm, ButtonDefault
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from .confirm import CANCELLED, CONFIRMED, Confirm
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from .swipe import SWIPE_DOWN, SWIPE_UP, SWIPE_VERTICAL, Swipe
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from .text import TEXT_MAX_LINES, Span, Text
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if __debug__:
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from apps.debug import confirm_signal, swipe_signal, notify_layout_change
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if False:
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from typing import List, Tuple, Union
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_PAGINATED_LINE_WIDTH = const(204)
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def render_scrollbar(pages: int, page: int) -> None:
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BBOX = const(220)
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SIZE = const(8)
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padding = 14
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if pages * padding > BBOX:
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padding = BBOX // pages
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X = const(220)
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Y = (BBOX // 2) - (pages // 2) * padding
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for i in range(0, pages):
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if i == page:
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fg = ui.FG
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else:
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fg = ui.GREY
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ui.display.bar_radius(X, Y + i * padding, SIZE, SIZE, fg, ui.BG, 4)
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def render_swipe_icon() -> None:
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if utils.DISABLE_ANIMATION:
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c = ui.GREY
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else:
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PULSE_PERIOD = const(1_200_000)
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t = ui.pulse(PULSE_PERIOD)
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c = ui.blend(ui.GREY, ui.DARK_GREY, t)
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icon = res.load(ui.ICON_SWIPE)
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ui.display.icon(70, 205, icon, c, ui.BG)
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def render_swipe_text() -> None:
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ui.display.text_center(130, 220, "Swipe", ui.BOLD, ui.GREY, ui.BG)
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class Paginated(ui.Layout):
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def __init__(
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self, pages: List[ui.Component], page: int = 0, one_by_one: bool = False
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):
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super().__init__()
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self.pages = pages
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self.page = page
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self.one_by_one = one_by_one
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def dispatch(self, event: int, x: int, y: int) -> None:
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pages = self.pages
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page = self.page
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pages[page].dispatch(event, x, y)
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if event is ui.RENDER:
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length = len(pages)
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if page < length - 1:
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render_swipe_icon()
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if self.repaint:
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render_swipe_text()
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if self.repaint:
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render_scrollbar(length, page)
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self.repaint = False
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async def handle_paging(self) -> None:
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if self.page == 0:
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directions = SWIPE_UP
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elif self.page == len(self.pages) - 1:
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directions = SWIPE_DOWN
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else:
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directions = SWIPE_VERTICAL
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if __debug__:
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swipe = await loop.race(Swipe(directions), swipe_signal())
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else:
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swipe = await Swipe(directions)
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if swipe is SWIPE_UP:
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self.page = min(self.page + 1, len(self.pages) - 1)
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elif swipe is SWIPE_DOWN:
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self.page = max(self.page - 1, 0)
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self.pages[self.page].dispatch(ui.REPAINT, 0, 0)
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self.repaint = True
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if __debug__:
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notify_layout_change(self)
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self.on_change()
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def create_tasks(self) -> Tuple[loop.Task, ...]:
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tasks: Tuple[loop.Task, ...] = (
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self.handle_input(),
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self.handle_rendering(),
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self.handle_paging(),
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)
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if __debug__:
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# XXX This isn't strictly correct, as it allows *any* Paginated layout to be
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# shut down by a DebugLink confirm, even if used outside of a confirm() call
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# But we don't have any such usages in the codebase, and it doesn't actually
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# make much sense to use a Paginated without a way to confirm it.
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return tasks + (confirm_signal(),)
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else:
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return tasks
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def on_change(self) -> None:
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if self.one_by_one:
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raise ui.Result(self.page)
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if __debug__:
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def read_content(self) -> List[str]:
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return self.pages[self.page].read_content()
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class PageWithButtons(ui.Component):
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def __init__(
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self,
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content: ui.Component,
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paginated: "PaginatedWithButtons",
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index: int,
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count: int,
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) -> None:
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super().__init__()
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self.content = content
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self.paginated = paginated
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self.index = index
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self.count = count
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# somewhere in the middle, we can go up or down
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left = res.load(ui.ICON_BACK)
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left_style = ButtonDefault
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right = res.load(ui.ICON_CLICK)
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right_style = ButtonDefault
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if self.index == 0:
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# first page, we can cancel or go down
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left = res.load(ui.ICON_CANCEL)
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left_style = ButtonCancel
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right = res.load(ui.ICON_CLICK)
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right_style = ButtonDefault
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elif self.index == count - 1:
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# last page, we can go up or confirm
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left = res.load(ui.ICON_BACK)
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left_style = ButtonDefault
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right = res.load(ui.ICON_CONFIRM)
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right_style = ButtonConfirm
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self.left = Button(ui.grid(8, n_x=2), left, left_style)
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self.left.on_click = self.on_left # type: ignore
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self.right = Button(ui.grid(9, n_x=2), right, right_style)
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self.right.on_click = self.on_right # type: ignore
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def dispatch(self, event: int, x: int, y: int) -> None:
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self.content.dispatch(event, x, y)
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self.left.dispatch(event, x, y)
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self.right.dispatch(event, x, y)
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def on_left(self) -> None:
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if self.index == 0:
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self.paginated.on_cancel()
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else:
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self.paginated.on_up()
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def on_right(self) -> None:
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if self.index == self.count - 1:
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self.paginated.on_confirm()
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else:
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self.paginated.on_down()
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if __debug__:
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def read_content(self) -> List[str]:
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return self.content.read_content()
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class PaginatedWithButtons(ui.Layout):
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def __init__(
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self, pages: List[ui.Component], page: int = 0, one_by_one: bool = False
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) -> None:
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super().__init__()
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self.pages = [
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PageWithButtons(p, self, i, len(pages)) for i, p in enumerate(pages)
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]
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self.page = page
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self.one_by_one = one_by_one
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def dispatch(self, event: int, x: int, y: int) -> None:
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pages = self.pages
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page = self.page
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pages[page].dispatch(event, x, y)
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if event is ui.RENDER:
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render_scrollbar(len(pages), page)
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def on_up(self) -> None:
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self.page = max(self.page - 1, 0)
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self.pages[self.page].dispatch(ui.REPAINT, 0, 0)
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self.on_change()
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def on_down(self) -> None:
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self.page = min(self.page + 1, len(self.pages) - 1)
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self.pages[self.page].dispatch(ui.REPAINT, 0, 0)
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self.on_change()
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def on_confirm(self) -> None:
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raise ui.Result(CONFIRMED)
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def on_cancel(self) -> None:
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raise ui.Result(CANCELLED)
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def on_change(self) -> None:
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if self.one_by_one:
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raise ui.Result(self.page)
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if __debug__:
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def read_content(self) -> List[str]:
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return self.pages[self.page].read_content()
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def create_tasks(self) -> Tuple[loop.Task, ...]:
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return super().create_tasks() + (confirm_signal(),)
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def paginate_text(
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text: str,
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header: str,
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font: int = ui.NORMAL,
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header_icon: str = ui.ICON_DEFAULT,
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icon_color: int = ui.ORANGE_ICON,
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break_words: bool = False,
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) -> Union[Confirm, Paginated]:
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span = Span(text, 0, font, break_words=break_words)
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if span.count_lines() <= TEXT_MAX_LINES:
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result = Text(
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header,
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header_icon=header_icon,
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icon_color=icon_color,
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new_lines=False,
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break_words=break_words,
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)
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result.content = [font, text]
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return Confirm(result)
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else:
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pages: List[ui.Component] = []
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span.reset(
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text, 0, font, break_words=break_words, line_width=_PAGINATED_LINE_WIDTH
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)
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while span.has_more_content():
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# advance to first line of the page
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span.next_line()
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page = Text(
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header,
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header_icon=header_icon,
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icon_color=icon_color,
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new_lines=False,
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content_offset=0,
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char_offset=span.start,
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line_width=_PAGINATED_LINE_WIDTH,
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break_words=break_words,
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render_page_overflow=False,
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)
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page.content = [font, text]
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pages.append(page)
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# roll over the remaining lines on the page
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for _ in range(TEXT_MAX_LINES - 1):
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span.next_line()
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pages[-1] = Confirm(pages[-1])
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return Paginated(pages)
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