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Small rename in DataTable utility types

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This commit is contained in:
Darren Burns
2023-02-01 15:25:13 +00:00
parent c84ae53395
commit 43c2696ccf
1 changed files with 7 additions and 7 deletions
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14
src/textual/widgets/_data_table.py
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@@ -39,11 +39,11 @@ from ..render import measure
from ..scroll_view import ScrollView from ..scroll_view import ScrollView
from ..strip import Strip from ..strip import Strip
_CellCacheKey: TypeAlias = "tuple[RowKey, ColumnKey, Style, bool, bool, int]" CellCacheKey: TypeAlias = "tuple[RowKey, ColumnKey, Style, bool, bool, int]"
_LineCacheKey: TypeAlias = ( LineCacheKey: TypeAlias = (
"tuple[int, int, int, int, Coordinate, Coordinate, Style, CursorType, bool, int]" "tuple[int, int, int, int, Coordinate, Coordinate, Style, CursorType, bool, int]"
) )
_RowCacheKey: TypeAlias = ( RowCacheKey: TypeAlias = (
"tuple[RowKey, int, Style, Coordinate, Coordinate, CursorType, bool, bool, int]" "tuple[RowKey, int, Style, Coordinate, Coordinate, CursorType, bool, bool, int]"
) )
CursorType = Literal["cell", "row", "column", "none"] CursorType = Literal["cell", "row", "column", "none"]
@@ -427,14 +427,14 @@ class DataTable(ScrollView, Generic[CellType], can_focus=True):
"""Maps column keys to column indices which represent column order.""" """Maps column keys to column indices which represent column order."""
self._row_render_cache: LRUCache[ self._row_render_cache: LRUCache[
_RowCacheKey, tuple[SegmentLines, SegmentLines] RowCacheKey, tuple[SegmentLines, SegmentLines]
] = LRUCache(1000) ] = LRUCache(1000)
"""For each row (a row can have a height of multiple lines), we maintain a cache """For each row (a row can have a height of multiple lines), we maintain a cache
of the fixed and scrollable lines within that row to minimise how often we need to of the fixed and scrollable lines within that row to minimise how often we need to
re-render it.""" re-render it."""
self._cell_render_cache: LRUCache[_CellCacheKey, SegmentLines] = LRUCache(10000) self._cell_render_cache: LRUCache[CellCacheKey, SegmentLines] = LRUCache(10000)
"""Cache for individual cells.""" """Cache for individual cells."""
self._line_cache: LRUCache[_LineCacheKey, Strip] = LRUCache(1000) self._line_cache: LRUCache[LineCacheKey, Strip] = LRUCache(1000)
"""Cache for lines within rows.""" """Cache for lines within rows."""
self._require_update_dimensions: bool = False self._require_update_dimensions: bool = False
@@ -974,7 +974,7 @@ class DataTable(ScrollView, Generic[CellType], can_focus=True):
return row_keys return row_keys
def on_idle(self) -> None: def on_idle(self) -> None:
"""Runs when the message pump is empty, and so we use this for """Runs when the message pump is empty. We use this for
some expensive calculations like re-computing dimensions of the some expensive calculations like re-computing dimensions of the
whole DataTable and re-computing column widths after some cells whole DataTable and re-computing column widths after some cells
have been updated. This is more efficient in the case of high have been updated. This is more efficient in the case of high