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2023-12-20docs: translations: add translations links when they existVegard Nossum1-0/+53
Add a new Sphinx extension that knows about the translations of kernel documentation and can insert links to the translations at the top of the document. It basically works like this: 1. Register a new node type, LanguagesNode. 2. Register a new transform, TranslationsTransform, that inserts a new LanguageNode at the top of every document. The LanguageNode contains "pending references" to translations of the document. The key here is that these are pending (i.e. unresolved) references that may or may not actually exist. 3. Register a 'doctree-resolved' event that iterates over all the LanguageNode nodes. Any unresolved references are filtered out; the list of resolved references is passed to the 'translations.html' template and rendered as an HTML node (if HTML output is selected). Testing: make htmldocs, make latexdocs with Sphinx v4.3.2 and Firefox. v2: - changed bar into a drop-down menu - fixed language labels - fixed hysteresis reported by Akira Yokosawa Cc: Federico Vaga <federico.vaga@vaga.pv.it> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Akira Yokosawa <akiyks@gmail.com> Cc: Yanteng Si <siyanteng@loongson.cn> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231215123701.2712807-1-vegard.nossum@oracle.com
2023-12-15docs: Change <h4> style to use smaller font size than <h3>Donald Hunter1-0/+1
The docs currently have <h3> and <h4> set to the same font size which makes headings hard to distinguish. <h1> to <h3> already have entries in sphinx-static/custom.css to shrink their size a bit from the alabaster theme. Add <h4> to custom.css and set it to be smaller than <h3>. Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231212213137.98453-1-donald.hunter@gmail.com
2023-11-17Documentation: add tux logoVegard Nossum1-0/+6
We already have the logo, let's use it. Testing: make htmldocs Cc: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231029074207.297663-1-vegard.nossum@oracle.com
2023-11-17docs: style toctree captions as headingsVegard Nossum1-0/+3
The rtd theme already styles toctree captions as headings, but the alabaster theme doesn't. Add this in. Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231027081830.195056-2-vegard.nossum@oracle.com
2023-02-08docs: Add more information to the HTML sidebarJonathan Corbet1-1/+47
Add a new sidebar template that creates a more RTD-like "fisheye" view of the current place in the document hierarchy. It is far from ideal, but some readers may find it better for navigating through the documentation as a whole. Add some CSS trickery as well to make the table of contents less intrusive when viewing the pages on a small screen. Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Reviewed-by: David Gow <davidgow@google.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-11-02docs: Don't wire font sizes for HTML outputJonathan Corbet1-0/+1
The alabaster theme likes to provide explicit sizes for fonts, which overrides the users's own browser settings and is guaranteed to displease folks. Set the font size to "inherit" so that the users browser settings control the font size they get. We can use the font_size configuration option for the main body font (changing the size I'd already put there), but the sidebar size can only be set via custom CSS. Reported-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-19docs: improve the HTML formatting of kerneldoc commentsJonathan Corbet1-1/+15
Make a few changes to cause functions documented by kerneldoc to stand out better in the rendered documentation. Specifically, change kernel-doc to put the description section into a ".. container::" section, then add a bit of CSS to indent that section relative to the function prototype (or struct or enum definition). Tweak a few other CSS parameters while in the neighborhood to improve the formatting. Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-10-13docs: tweak some Alabaster style parametersJonathan Corbet1-0/+14
This is just the beginning: tighten up the layout a bit to improve the information density in the browser. Also reconfigure the page width in terms of character units (em) rather than pixels, making it more display-independent. To that end, add a custom.css file to tweak Alabaster CSS settings. Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>