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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.
48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
import contextlib
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import curses
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from collections.abc import Generator
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from typing import Any
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from pqcli.ui.curses.colors import COLOR_FOCUSED, has_colors
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from pqcli.ui.curses.event_handler import EventHandler
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@contextlib.contextmanager
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def focus_standout(
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focused: bool, win: curses.window
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) -> Generator[None, None, None]:
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if focused:
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if has_colors():
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win.attron(curses.color_pair(COLOR_FOCUSED))
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else:
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win.standout()
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yield
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if focused:
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if has_colors():
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win.attroff(curses.color_pair(COLOR_FOCUSED))
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else:
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win.standend()
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class Focusable:
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def __init__(self, *args: Any, **kwargs: Any) -> None:
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self._focused = False
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self._on_focus_change = EventHandler[[]]()
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super().__init__(*args, **kwargs)
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@property
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def focused(self) -> bool:
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return self._focused
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@focused.setter
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def focused(self, focused: bool) -> None:
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self._focused = focused
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self._on_focus_change()
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@contextlib.contextmanager
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def focus_standout(
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self, win: curses.window
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) -> Generator[None, None, None]:
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with focus_standout(self._focused, win):
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yield
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