33 lines
974 B
Python
33 lines
974 B
Python
import collections
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import contextlib
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import curses
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from typing import Dict
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from typing import Generator
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from babi.hl.interface import HL
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from babi.hl.interface import HLs
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from babi.list_spy import SequenceNoSlice
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class Replace:
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include_edge = True
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def __init__(self) -> None:
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self.regions: Dict[int, HLs] = collections.defaultdict(tuple)
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def highlight_until(self, lines: SequenceNoSlice, idx: int) -> None:
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"""our highlight regions are populated in other ways"""
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def touch(self, lineno: int) -> None:
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"""our highlight regions are populated in other ways"""
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@contextlib.contextmanager
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def region(self, y: int, x: int, end: int) -> Generator[None, None, None]:
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# XXX: this assumes pair 1 is the background
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attr = curses.A_REVERSE | curses.A_DIM | curses.color_pair(1)
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self.regions[y] = (HL(x=x, end=end, attr=attr),)
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try:
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yield
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finally:
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del self.regions[y]
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