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Curses screens, windows and pads are typed as curses.window, and the widgets that may get no parent window take curses.window | None. - EventHandler is generic over a ParamSpec, so each handler declares the arguments it passes, and MenuView is generic over the item its on_confirm hands out. Choice callbacks take no arguments. - Scrollable is generic over its items, which DataTable and ListBox fix to tuple[str, str] and str. - random.choice() and choice_low() are generic over the sequence, so the casts at their call sites are gone. BasicUserInterface.menu() and util.first() are generic too. - Signal callbacks and their payloads are Callable[..., object] and object, since emit() only forwards them. - JSON values in game_data are object and narrowed by isinstance, and data files are Traversable. - Signal handlers take an int and a FrameType | None, and list_players() takes a TextIO. - The focus_standout() context managers return Generator[None, None, None]. Any remains in three places: Player.__setstate__, whose pickled __dict__ holds values of every type; Focusable.__init__, a mixin that passes *args and **kwargs through to the next class; and the values load_game_data() collects, whose element type depends on the field each one fills.
45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
import curses
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from typing import Generic, TypeVar
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from pqcli.ui.curses.event_handler import EventHandler
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from pqcli.ui.curses.util import Choice
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from pqcli.ui.curses.views.base_view import BaseView
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from pqcli.ui.curses.widgets import Menu
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ItemT = TypeVar("ItemT")
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class MenuView(BaseView, Generic[ItemT]):
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def __init__(
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self, screen: curses.window, title: str, active_choice: int = 0
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) -> None:
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super().__init__(screen)
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self.on_cancel = EventHandler[[]]()
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self.on_confirm = EventHandler[[ItemT]]()
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self._title = f"{title}:"
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self._choices: list[Choice] = []
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self._active_choice = active_choice
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def start(self) -> None:
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scr_height, scr_width = self.screen.getmaxyx()
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self.screen.erase()
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self.screen.noutrefresh()
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self.main_menu = Menu(
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header=self._title,
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choices=self._choices,
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active_choice=self._active_choice,
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scr_height=scr_height,
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scr_width=scr_width,
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)
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self.main_menu.render()
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def stop(self) -> None:
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self.main_menu.stop()
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def keypress(self, key: int) -> None:
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self.main_menu.keypress(key)
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self.main_menu.render()
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