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rustdoc: align stability badge to baseline instead of bottom
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Preview: http://notriddle.com/notriddle-rustdoc-demos/stab-baseline/test_dingus/index.html
Based on comment from https://github.com/rust-lang/rust/pull/105509#discussion_r1044816673
r? ``@joshtriplett``
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This commit makes three changes for consistency and readability:
- It shows the sibling navigation on module pages. It's weird
that it didn't work before, and is inconsistent with everything
else (even Crates have sibling navigation with other Crates).
- It hides the "In [parent]" header if it's the same as the
current crate, and if there's no other header between them.
We need to keep it on modules and types, since they have
their own header and data between them, and we don't want
to show siblings under a header implying that they're children.
- It adds a margin to deal with the headers butting directly into
the branding lockup.
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Based on PR feedback.
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This should result in a layout for the actual standard library,
when built on CI, that looks like this:
_____
/ \ std
| R | 1.74.0-nightly
\_____/
(203c57dbe 2023-09-17)
Having the whole version as one string caused it to flex wrap,
because the sidebar isn't wide enough to fit the whole thing.
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This commit changes the layout to something a bit less "look at my logo!!!111"
gigantic, and makes it clearer where clicking the logo will actually take you.
It also means the crate name is persistently at the top of the sidebar, even
when in a sub-item page, and clicking that name takes you back to the root.
| | Short crate name | Long crate name |
|---------|------------------|-----------------|
| Root | ![short-root] | ![long-root]
| Subpage | ![short-subpage] | ![long-subpage]
[short-root]: https://github.com/rust-lang/rust/assets/1593513/fe2ce102-d4b8-44e6-9f7b-68636a907f56
[short-subpage]: https://github.com/rust-lang/rust/assets/1593513/29501663-56c0-4151-b7de-d2637e167125
[long-root]: https://github.com/rust-lang/rust/assets/1593513/f6a385c0-b4c5-4a9c-954b-21b38de4192f
[long-subpage]: https://github.com/rust-lang/rust/assets/1593513/97ec47b4-61bf-4ebe-b461-0d2187b8c6ca
https://notriddle.com/rustdoc-html-demo-4/logo-lockup/image/index.html
https://notriddle.com/rustdoc-html-demo-4/logo-lockup/crossbeam_channel/index.html
https://notriddle.com/rustdoc-html-demo-4/logo-lockup/adler/struct.Adler32.html
https://notriddle.com/rustdoc-html-demo-4/logo-lockup/crossbeam_channel/struct.Sender.html
This improves visual information density (the construct with the logo and
crate name is *shorter* than the logo on its own, because it's not
square) and navigation clarity (we can now see what clicking the Rust logo
does, specifically).
Compare this with the layout at [Phoenix's Hexdocs] (which is what this
proposal is closely based on), the old proposal on [Internals Discourse]
(which always says "Rust standard library" in the sidebar, but doesn't do the
side-by-side layout).
[Phoenix's Hexdocs]: https://hexdocs.pm/phoenix/1.7.7/overview.html
[Internals Discourse]: https://internals.rust-lang.org/t/poc-of-a-new-design-for-the-generated-rustdoc/11018
In newer versions of rustdoc, the crate name and version are always shown in
the sidebar, even in subpages. Clicking the crate name does the same thing
clicking the logo always did: return you to the crate root.
While this actually takes up less screen real estate than the old layout on
desktop, it takes up more HTML. It's also a bit more visually complex.
I could do what the Internals POC did and keep the vertically stacked layout
all the time, instead of doing a horizontal stack where possible. It would
take up more screen real estate, though.
This design is lifted almost verbatim from Hexdocs. It seems to work for them.
[`opentelemetry_process_propagator`], for example, has a long application name.
[`opentelemetry_process_propagator`]: https://hexdocs.pm/opentelemetry_process_propagator/OpentelemetryProcessPropagator.html
Has anyone written the rationale on why the Rust logo shows up on projects that
aren't the standard library? If we turned it off on non-standard crates by
default, it would line wrap crate names a lot less often.
Or maybe we should encourage crate authors to include their own logo more
often? It certainly helps give people a better sense of "place."
I'm not sure of anything that directly follows up this one. Plenty of other
changes could be made to improve the layout, like
* coming up with a less cluttered way to do disclosure (there's a lot of `[-]`
on the page)
* doing a better job of separating lateral navigation (vec::Vec links to
vec::IntoIter) and the table of contents (vec::Vec links to vec::Vec::new)
* giving readers more control of how much rustdoc hows them, and giving doc
authors more control of how much it generates
* better search that reduces the need to browse
But those are mostly orthogonal, not future possibilities unlocked by this change.
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Based on
https://github.com/rust-lang/rust/pull/115812#issuecomment-1717960119
Having them in separate files used to make more sense, before the
migration to CSS variables made the theme files as small as they are
nowadays. This is already how docs.rs and mdBook do it.
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r? @joshtripplet
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appearance (padding)
to look identical on Firefox. New versions of Firefox appear to have changed behavior to agree with Chrome.
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Since the directory that contains source files is called `src`,
it makes sense to name the scripts that way, too.
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The CSS uses an inconsistent mix of both. This commit switches
it to always use `src`.
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This makes "existential type" look slightly cramped (though still
readable), but it makes all other typenames look better. Existential
types are currently very rare, and we can always tweak this later if
necessary.
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The recent PR #110688 added info about an item's kind before its name in
search results. However, because the kind and name are inline with no
alignment, it's now hard to visually scan downward through the search
results, looking at item names. This PR fixes that by horizontally
aligning search results such that there are now two columns of
information.
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Designing a good hover microinteraction is a matter of guessing
user intent from what are, literally, vague gestures. In this case,
guessing if hovering in our out of the tooltip base is intentional
or not.
To figure this out, a few different techniques are used:
* When the mouse pointer enters a tooltip anchor point, its hitbox
is grown on the bottom, where the popover is/will appear. This was
already there before this commit: search "hover tunnel" in
rustdoc.css for the implementation.
* This commit adds a delay when the mouse pointer enters the base
anchor, in case the mouse pointer was just passing through and the
user didn't want to open it.
* This commit also adds a delay when the mouse pointer exits the
tooltip's base anchor or its popover, before hiding it.
* A fade-out animation is layered onto the pointer exit delay to
immediately inform the user that they successfully dismissed the
popover, while still providing a way for them to cancel it if
it was a mistake and they still wanted to interact with it.
* No animation is used for revealing it, because we don't want
people to try to interact with an element while it's in the
middle of fading in: either they're allowed to interact with
it while it's fading in, meaning it can't serve as mistake-
proofing for opening the popover, or they can't, but they
might try and be frustrated.
See also:
* https://www.nngroup.com/articles/timing-exposing-content/
* https://www.nngroup.com/articles/tooltip-guidelines/
* https://bjk5.com/post/44698559168/breaking-down-amazons-mega-dropdown
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This change makes it so, instead of mixing string distance with
type unification, function signature search works by
mapping names to IDs at the start, reporting to the user any
cases where it had to make corrections, and then matches with
IDs when going through the items.
This only changes function searches. Name searches are left alone,
and corrections are only done when there's a single item in the
search query.
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Fixes the desktop scrolling weirdness mentioned in
https://github.com/rust-lang/rust/pull/98775#issuecomment-1182575603
As described in the MDN page for this property:
* The current Firefox ESR is 102, and the first Firefox version
to support this feature is 59.
* The current Chrome version 112, and the first version to support
this is 63.
* Edge is described as having a minor bug in `none` mode, but we
use `contain` mode anyway, so it doesn't matter.
* Safari 16, released September 2022, is the last browser to
add this feature, and is also the oldest version we officially
support.
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rustdoc: avoid including line numbers in Google SERP snippets

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improve UX
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This is based on the compatibility data for `window.matchMedia` and
`MediaQueryList`'s `EventTarget` implementation.
https://developer.mozilla.org/en-US/docs/Web/API/MediaQueryList#browser_compatibility
https://developer.mozilla.org/en-US/docs/Web/API/Window/matchMedia#browser_compatibility
* EventTarget would require us to drop support for all Chrome
versions before 39. However, we already require Chrome 49,
because rustdoc requires [CSS variables].
* EventTarget would also limit us to Firefox 55, but since #106502
rustdoc only supports Firefox > 68.
* EventTarget limits us to Mobile Safari version 14, but #102404
shows that our CSS is broken in Safari versions before 15.5.
[CSS variables]: https://developer.mozilla.org/en-US/docs/Web/CSS/--*#browser_compatibility
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This converts a few functions to more compact versions of
themselves, and moves `RUSTDOC_MOBILE_BREAKPOINT` to main.js where
it's actually used.
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Reverts a1d4ebe4961c107272f9764d1908227a3cd04092, as well as
fixing the problem it solved with links losing their color.
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rustdoc: simplify DOM for `.item-table`
This switches from using `<div>` to the more semantic `<ul>`, and using class names that rhyme with the classes the search results table uses.
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r=GuillaumeGomez
rustdoc: merge doctest tooltip with notable traits tooltip
Fixes https://discord.com/channels/442252698964721669/443150878111694848/1066420140167680000
<details><summary>a user report where the tooltip arrow overlaps the text</summary>

</details>
Fixes #91100
Preview: <https://notriddle.com/notriddle-rustdoc-demos/simplify-doctest-tooltip/std/vec/struct.Vec.html#indexing>
Screenshot:

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This switches from using `<div>` to the more semantic `<ul>`, and
using class names that rhyme with the classes the search results
table uses.
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rustdoc: fix item-spacer
rustdoc: use proper comment style
rustdoc: change formatting where clauses for traits
rustdoc: remove semicolon from provided methods
update provided methods formatting
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Co-Authored-By: David Tolnay <dtolnay@gmail.com>
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Inline CSS background images directly into the CSS
A nice advantage of this is that it removes a few entries in the list of static files.
r? ``@notriddle``
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rustdoc: stop making unstable items transparent
Fixes #93393
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rustdoc: update Source Serif 4 from 4.004 to 4.005
[Version 4.005](https://github.com/adobe-fonts/source-serif/releases/tag/4.005R) was released on 2023-01-20.
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Fixes #93393
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Migrate last part of CSS themes to CSS variables
No changes in the output. This is already tested in `tests/rustdoc-gui/search-tab.goml` so no need to add a GUI test.
r? `@notriddle`
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