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docstrings
2022-07-04 20:53:53 +01:00
from __future__ import annotations
apply style to widget
2022-07-04 14:48:28 +01:00
from rich.segment import Segment
from textual._styles_cache import StylesCache
Remove draw.py, fix imports
2022-10-13 11:15:15 +01:00
from textual.color import Color
from textual.css.styles import Styles
from textual.geometry import Region, Size
adds Strip primitive
2022-12-26 18:06:35 +00:00
from textual.strip import Strip
apply style to widget
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test fixes
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def _extract_content(lines: list[Strip]) -> list[str]:
apply style to widget
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"""Extract the text content from lines."""
content = ["".join(segment.text for segment in line) for line in lines]
return content
def test_set_dirty():
cache = StylesCache()
cache.set_dirty(Region(3, 4, 10, 2))
assert not cache.is_dirty(3)
assert cache.is_dirty(4)
assert cache.is_dirty(5)
assert not cache.is_dirty(6)
def test_border():
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
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]
styles = Styles()
styles.border = ("heavy", "white")
cache = StylesCache()
lines = cache.render(
styles,
Size(5, 5),
Color.parse("blue"),
Color.parse("green"),
content.__getitem__,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
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content_size=Size(3, 3),
apply style to widget
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)
text_content = _extract_content(lines)
expected_text = [
"┏━━━┓",
"┃foo┃",
"┃bar┃",
"┃baz┃",
"┗━━━┛",
]
assert text_content == expected_text
def test_padding():
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
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]
styles = Styles()
styles.padding = 1
cache = StylesCache()
lines = cache.render(
styles,
Size(5, 5),
Color.parse("blue"),
Color.parse("green"),
content.__getitem__,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
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content_size=Size(3, 3),
apply style to widget
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)
text_content = _extract_content(lines)
expected_text = [
" ",
" foo ",
" bar ",
" baz ",
" ",
]
assert text_content == expected_text
def test_padding_border():
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
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]
styles = Styles()
styles.padding = 1
styles.border = ("heavy", "white")
cache = StylesCache()
lines = cache.render(
styles,
Size(7, 7),
Color.parse("blue"),
Color.parse("green"),
content.__getitem__,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
2022-07-04 20:37:59 +01:00
content_size=Size(3, 3),
apply style to widget
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)
text_content = _extract_content(lines)
expected_text = [
"┏━━━━━┓",
"┃ ┃",
"┃ foo ┃",
"┃ bar ┃",
"┃ baz ┃",
"┃ ┃",
"┗━━━━━┛",
]
assert text_content == expected_text
def test_outline():
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
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]
styles = Styles()
styles.outline = ("heavy", "white")
cache = StylesCache()
lines = cache.render(
styles,
Size(3, 3),
Color.parse("blue"),
Color.parse("green"),
content.__getitem__,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
2022-07-04 20:37:59 +01:00
content_size=Size(3, 3),
apply style to widget
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)
text_content = _extract_content(lines)
expected_text = [
"┏━┓",
"┃a┃",
"┗━┛",
]
assert text_content == expected_text
def test_crop():
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
2022-07-04 14:48:28 +01:00
]
styles = Styles()
styles.padding = 1
styles.border = ("heavy", "white")
cache = StylesCache()
lines = cache.render(
styles,
Size(7, 7),
Color.parse("blue"),
Color.parse("green"),
content.__getitem__,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
2022-07-04 20:37:59 +01:00
content_size=Size(3, 3),
apply style to widget
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crop=Region(2, 2, 3, 3),
)
text_content = _extract_content(lines)
expected_text = [
"foo",
"bar",
"baz",
]
assert text_content == expected_text
test fixes
2023-02-04 15:53:00 +01:00
def test_dirty_cache() -> None:
apply style to widget
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"""Check that we only render content once or if it has been marked as dirty."""
content = [
test fixes
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Strip([Segment("foo")]),
Strip([Segment("bar")]),
Strip([Segment("baz")]),
apply style to widget
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]
rendered_lines: list[int] = []
test fixes
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def get_content_line(y: int) -> Strip:
apply style to widget
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rendered_lines.append(y)
return content[y]
styles = Styles()
styles.padding = 1
styles.border = ("heavy", "white")
cache = StylesCache()
lines = cache.render(
styles,
Size(7, 7),
Color.parse("blue"),
Color.parse("green"),
get_content_line,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
Implement border (sub)title. (#2064) * Add Widget.border_title and border_subtitle. Related issues: #1864 * Test setting border_(sub)title. * Add border (sub)title references to StylesCache. These internal references will make it easier for the instance of 'StylesCache' to know which border (sub)title to use, if/when needed. * Add method to render border label. * Add styles to align border (sub)title. * Render border labels. * Update styles template. * Make new 'render_row' parameters optional. * Add (sub)title border snapshot tests. * Document border (sub)title and styles. * Pass (sub)title directly as arguments. Get rid of the watchers to make data flow easier to follow. Related comment: https://github.com/Textualize/textual/pull/2064/files\#r1137746697 * Tweak example. * Fix render_border_label. This was wrong because border labels can be composed of multiple segments if they contain multiple styles. Additionally, we want to render a single blank space of padding around the title. * Ensure we get no label when there's no space. * Add tests for border label rendering. * 'render_border_label' now returns iterable of segments. * Add label to render_row. * Fix calling signature in tests. * Add padding to snapshot tests. * Fix changelog. * Update snapshot tests. * Update snapshot tests. * Border labels expand if there's no corners. * Update CHANGELOG.md * Fix docs. * Remove irrelevant line. * Fix snapshot tests. * Don't share Console among tests. * Simplify example in styles guide. * Avoid expensive function call when possible. * rewording * positive branch first * remove wasteful indirection * fix changelog --------- Co-authored-by: Will McGugan <willmcgugan@gmail.com>
2023-03-22 11:07:38 +00:00
content_size=Size(3, 3),
apply style to widget
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)
assert rendered_lines == [0, 1, 2]
del rendered_lines[:]
text_content = _extract_content(lines)
test fix
2023-02-04 16:10:33 +01:00
apply style to widget
2022-07-04 14:48:28 +01:00
expected_text = [
"┏━━━━━┓",
"┃ ┃",
"┃ foo ┃",
"┃ bar ┃",
"┃ baz ┃",
"┃ ┃",
"┗━━━━━┛",
]
assert text_content == expected_text
# Re-render styles, check that content was not requested
lines = cache.render(
styles,
Size(7, 7),
Color.parse("blue"),
Color.parse("green"),
get_content_line,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
2022-07-04 20:37:59 +01:00
content_size=Size(3, 3),
apply style to widget
2022-07-04 14:48:28 +01:00
)
assert rendered_lines == []
del rendered_lines[:]
text_content = _extract_content(lines)
assert text_content == expected_text
# Mark 2 lines as dirty
cache.set_dirty(Region(0, 2, 7, 2))
lines = cache.render(
styles,
Size(7, 7),
Color.parse("blue"),
Color.parse("green"),
get_content_line,
optimize filter
2025-08-20 21:37:58 +01:00
[],
Border style (#2292) * border styles * docs for border styles * fix tests * tests * tests and docs * changelog * implement auto * style information fix
2023-04-16 12:31:39 +01:00
None,
None,
render lines and scrollbars
2022-07-04 20:37:59 +01:00
content_size=Size(3, 3),
apply style to widget
2022-07-04 14:48:28 +01:00
)
assert rendered_lines == [0, 1]
text_content = _extract_content(lines)
assert text_content == expected_text
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