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markdown: Fix code block scrollbars flashing on vertical scroll (#50817)

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Release Notes:

- Fixed code block scrollbars flashing on vertical scroll


before:

When there are many code blocks, scrolling through markdown will display
a horizontal scrollbar (when the mouse is not inside a code block).


https://github.com/user-attachments/assets/1fae36ec-5a3f-4283-b54f-e5cb4f45646b




after:

When scrolling markdown, do not display the horizontal scrollbar when
the mouse is not in a code block.


https://github.com/user-attachments/assets/0c0f2016-9b18-4055-87a6-4f508dbfd193

---------

Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>
This commit is contained in:
Xiaobo Liu 2026-03-10 07:22:36 +08:00 • committed by GitHub
parent a99366a940
commit 7a4aaff8ea
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1 changed files with 12 additions and 1 deletions
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13
crates/ui/src/components/scrollbar.rs
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@ -1041,7 +1041,18 @@ impl ScrollbarLayout {
impl PartialEq for ScrollbarLayout {
fn eq(&self, other: &Self) -> bool {
self.axis == other.axis && self.thumb_bounds == other.thumb_bounds
if self.axis != other.axis {
return false;
}
let axis = self.axis;
let thumb_offset =
self.thumb_bounds.origin.along(axis) - self.track_bounds.origin.along(axis);
let other_thumb_offset =
other.thumb_bounds.origin.along(axis) - other.track_bounds.origin.along(axis);
thumb_offset == other_thumb_offset
&& self.thumb_bounds.size.along(axis) == other.thumb_bounds.size.along(axis)
}
}