96 lines
1.9 KiB
Python
96 lines
1.9 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPLv3 Copyright: 2021, Kovid Goyal <kovid at kovidgoyal.net>
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from functools import update_wrapper
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from typing import TYPE_CHECKING, Callable, Generic, NamedTuple, TypeVar, Union
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_T = TypeVar('_T')
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class ParsedShortcut(NamedTuple):
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mods: int
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key_name: str
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class Edges(NamedTuple):
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left: int = 0
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top: int = 0
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right: int = 0
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bottom: int = 0
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class FloatEdges(NamedTuple):
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left: float = 0
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top: float = 0
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right: float = 0
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bottom: float = 0
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class ScreenGeometry(NamedTuple):
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xstart: float
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ystart: float
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xnum: int
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ynum: int
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dx: float
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dy: float
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class WindowGeometry(NamedTuple):
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left: int
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top: int
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right: int
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bottom: int
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xnum: int
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ynum: int
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spaces: Edges = Edges()
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class SingleKey(NamedTuple):
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mods: int = 0
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is_native: bool = False
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key: int = -1
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class MouseEvent(NamedTuple):
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button: int = 0
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mods: int = 0
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repeat_count: int = 1
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grabbed: bool = False
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ConvertibleToNumbers = Union[str, bytes, int, float]
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if TYPE_CHECKING:
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class RunOnce(Generic[_T]):
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def __init__(self, func: Callable[[], _T]): ...
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def __call__(self) -> _T: ...
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def set_override(self, val: _T) -> None: ...
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def clear_override(self) -> None: ...
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else:
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class RunOnce:
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def __init__(self, f):
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self._override = RunOnce
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self._cached_result = RunOnce
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update_wrapper(self, f)
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def __call__(self):
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if self._override is not RunOnce:
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return self._override
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if self._cached_result is RunOnce:
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self._cached_result = self.__wrapped__()
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return self._cached_result
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def set_override(self, val):
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self._override = val
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def clear_override(self):
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self._override = RunOnce
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def run_once(f: Callable[[], _T]) -> RunOnce:
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return RunOnce(f)
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