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Add a vertical_overflow='crop_above' as an option to Live() #3637

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Add a vertical_overflow='crop_above' as an option to Live() #3637

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81894ee
Add a vertical_overflow='crop_above' as an option to Live()
cpsievert Feb 20, 2025
2f0ab94
Update changelog
cpsievert Feb 20, 2025
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6 changes: 6 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [UNRELEASED]

### Added

- `Live()`'s `visible_overflow` argument gains a new option of `"crop_above"`
https://github.com/Textualize/rich/pull/3637

## [13.9.4] - 2024-11-01

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5 changes: 4 additions & 1 deletion rich/live_render.py
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Expand Up @@ -14,7 +14,7 @@
from .style import StyleType
from .text import Text

VerticalOverflowMethod = Literal["crop", "ellipsis", "visible"]
VerticalOverflowMethod = Literal["crop", "crop_above", "ellipsis", "visible"]


class LiveRender:
Expand Down Expand Up @@ -92,6 +92,9 @@ def __rich_console__(
if self.vertical_overflow == "crop":
lines = lines[: options.size.height]
shape = Segment.get_shape(lines)
elif self.vertical_overflow == "crop_above":
lines = lines[-(options.size.height) :]
shape = Segment.get_shape(lines)
elif self.vertical_overflow == "ellipsis":
lines = lines[: (options.size.height - 1)]
overflow_text = Text(
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