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Fix SVG clip path count by increasing console height

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Rich's SVG export creates fewer clip paths than content lines.
Work around by adding +2 to console height.
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GitHub Copilot
2026-01-24 17:00:23 +00:00
parent 1a5222ab2a
commit d4acdbb4f1
1 changed files with 4 additions and 5 deletions
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src/textual_webterm/local_server.py
+4 -5
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@@ -577,11 +577,12 @@ class LocalServer:
def _render_svg() -> str: def _render_svg() -> str:
# Use the session's screen buffer directly - this has the correct # Use the session's screen buffer directly - this has the correct
# dimensions matching the actual terminal, preventing wrapping issues # dimensions matching the actual terminal, preventing wrapping issues
# Add extra height for Rich's clip path generation quirk
console = Console( console = Console(
record=True, width=screen_width, height=screen_height, file=io.StringIO() record=True, width=screen_width, height=screen_height + 2, file=io.StringIO()
) )
for i, row_data in enumerate(screen_buffer): for row_data in screen_buffer:
line = Text() line = Text()
for char in row_data: for char in row_data:
char_data = char["data"] char_data = char["data"]
@@ -611,9 +612,7 @@ class LocalServer:
else: else:
line.append(char_data) line.append(char_data)
# Don't add newline after last row to prevent extra line in SVG console.print(line, highlight=False)
is_last = i == len(screen_buffer) - 1
console.print(line, end="" if is_last else "\n", highlight=False)
return console.export_svg( return console.export_svg(
title="textual-webterm", title="textual-webterm",