These methods are not only used during display list construction, so
they are a better fit for the flow structs themselves. This does
not introduce any behavior change, but should make it easier to fix
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Source-Repo: https://github.com/servo/servo
Source-Revision: 23265321988113b290aff190f859be2290a81545
Style no forced docs for the properties code and similar, but I ran out of time, and I think it's a nice improvement.
I'd appreciate a fast-ish turn-around time because this is pretty much prone to bitrot.
Source-Repo: https://github.com/servo/servo
Source-Revision: bd67163438317daa711b2411ce302aaf5bf4136a
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To be able to add glue for these properties, we needed to change their structs. They are moved from effects to box and added stylo glue.
This PR covers these properties:
- perspective
- perspective-origin
- backface-visibility
- transform-box
- transform-style
- transform-origin
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Source-Revision: a6d206eb6687da31c957094bbed380c9e47daac4
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Source-Revision: 1993b6e812de30de06100e7d52c1d90af929f24f
The primary idea of this patch is to ditch the rigid enum of Previous/Current
styles, and replace it with a series of indicators for the various types of
work that needs to be performed (expanding snapshots, rematching, recascading,
and damage processing). This loses us a little bit of sanity checking (since
the up-to-date-ness of our style is no longer baked into the type system), but
gives us a lot more flexibility that we'll need going forward (especially when
we separate matching from cascading). We also eliminate get_styling_mode in
favor of a method on the traversal.
This patch does a few other things as ridealongs:
* Temporarily eliminates the handling for transfering ownership of styles to the
frame. We'll need this again at some point, but for now it's causing too much
complexity for a half-implemented feature.
* Ditches TRestyleDamage, which is no longer necessary post-crate-merge, and is
a constant source of compilation failures from either needing to be imported
or being unnecessarily imported (which varies between gecko and servo).
* Expands Snapshots for the traversal root, which was missing before.
* Fixes up the skip_root stuff to avoid visiting the skipped root.
* Unifies parallel traversal and avoids spawning for a single work item.
* Adds an explicit pre_traverse step do any pre-processing and determine whether
we need to traverse at all.
Source-Repo: https://github.com/servo/servo
Source-Revision: b9a8ccd775c3192e3810a1730b1d0bc2b5c9dfb6
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Still needs a bunch of code in net to be converted in order to get more
advantage of this for images and stuff, but meanwhile this should help quite a
bit with #13778.
Still wanted to get this in.
r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: 22aebdf5d41a3509cd6515ccf5edcdf33715a76d
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Add a `LogicalMargin::start_end()` method that receives a `Direction' parameter. This is useful for some layout that is symmetric in inline and block directions, like flexbox.
Part of #14123.
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r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: d16f3124640be647b4ed67cc4a68cebd55cdb7cc
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cc @Manishearth
The lorem-ipsum example from MDN works as expected.
Source-Repo: https://github.com/servo/servo
Source-Revision: a91f48ee05933784630fdf918fc4b66037dba9f1
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This would be useful for types such as `T(pub Option<U>)` or any type that's a mixture of two types (like `LengthOrFoo` for example). Well, it's a bit ugly, especially because we have to address the types as `Either::First` and `Either::Second` everywhere, but I don't have a brighter idea 😄
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r? @SimonSapin (cc @Manishearth @emilio)
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Source-Repo: https://github.com/servo/servo
Source-Revision: 35f328d7174c93bb6ef5913a206496779fb8d3bf
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Set the flag of the fragment of children in a flex container according
to the direction of the container. The mark is done on the fragment
because flex item enstablish a stacking context when its z-index is
non-zero ,despite its `position' property.
Part of #14123.
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r? @pcwalton
Source-Repo: https://github.com/servo/servo
Source-Revision: 333c397f03bc2d143e0d8c112138d5758d37f6f5
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Don't promote all scrollable regions to stacking contexts
Instead annotate all flows with their owning ScrollRoots. When
processing the display list items into a flattened display list, we add
PushScrollRoot and PopScrollRoot to signal when scrolling regions start
and end. It is possible for content from different scrolling regions to
intersect and when they do, the stack of scrolling regions is
duplicated. When these duplicated scrolling regions stacks reach
WebRender, it will scroll them in tandem.
The PushScrollRoot and PopScrollRoot items are currently represented as
StackingContexts in WebRender, but eventually these will be replaced
with special WebRender display items.
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Source-Repo: https://github.com/servo/servo
Source-Revision: ef5ca14283f1f47654093b5c196ab813efb53ea8
We need to hang both snapshots and restyle damage off of ElementData, and so we need them to be concrete to avoid infecting ElementData with the trait hierarchy.
Source-Repo: https://github.com/servo/servo
Source-Revision: d8ac5100e81ccbad4b5131688b96bedb9b5e279d
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Migrated the trace-layout code from old `rustc-serialize` to `serde_json`. This will help us iterate faster on the layout viewer (#13432), #13436, #12675 and fix#12936.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 1c26f44cbb23e7da3b9d63f0223c8d5d43eec958
This creates a sharp distinction between `Arc<Flow>`s, which may be
owned by anyone, and `FlowRef`s, which may only be owned by the
traversal code. By checking the reference count, we ensure that a `Flow`
cannot be pointed to by `Arc`s and `FlowRef`s simultaneously.
This is not a complete fix for #6503, though it is a necessary start
(enforcing the no-aliasing rule of `FlowRef::deref_mut` will require far
more work).
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 2b4a7b0b7ad9dd568dfde15ab47dc634ec561d70
Previously, `string-cache` defined:
* An string-like `Atom` type,
* An `atom!("foo")` macro that expands to a value of that type, for a set of strings known at compile-time,
* A `struct Namespace(Atom);` type
* A `ns!(html)` macro that maps known prefixed to `Namespace` values with the corresponding namespace URL.
Adding a string to the static set required making a change to the `string-cache` crate.
With 0.3, the `Atom` type is now generic, with a type parameter that provides a set of static strings. We can have multiple such sets, defined in different crates. The `string_cache_codegen` crate, to be used in build scripts, generates code that defines such a set, a new atom type (a type alias for `Atom<_>` with the type parameter set), and an `atom!`-like macro.
The html5ever repository has a new `html5ever_atoms` crate that defines three such types: `Prefix`, `Namespace`, and `LocalName` (with respective `namespace_prefix!`, `namespace_url!`, and `local_name!` macros). It also defines the `ns!` macro like before.
This repository has a new `servo_atoms` crate in `components/atoms` that, for now, defines a single `Atom` type (and `atom!`) macro. (`servo_atoms::Atom` is defined as something like `type Atom = string_cache::Atom<ServoStaticStringSet>;`, so overall there’s now two types named `Atom`.)
In this PR, `servo_atoms::Atom` is used for everything else that was `string_cache::Atom` before. But more atom types can be defined as needed. Two reasons to do this are to auto-generate the set of static strings (I’m planning to do this for CSS property names, which is the motivation for this change), or to have the type system help us avoid mix up unrelated things (this is why we had a `Namespace` type ever before this change).
Introducing new types helped me find a bug: when creating a new attribute `dom::Element::set_style_attr`, would pass `Some(atom!("style"))` instead of `None` (now `Option<html5ever_atoms::Prefix>` instead of `Option<string_cache::Atom>`) to the `prefix` argument of `Attr::new`. I suppose the author of that code confused it with the `local_name` argument.
---
Note that Stylo is not affected by any of this. The `gecko_string_cache` module is unchanged, with a single `Atom` type. The `style` crate conditionally compiles `Prefix` and `LocalName` re-exports for that are both `gecko_string_cache::Atom` on stylo.
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Source-Revision: 5b4cc9568dbd5c15e5d2fbc62719172f11566ffa
The patch here hoists pseudo-element handling onto ThreadSafeLayoutElement. I have another patch which hoists stuff from TNode to TElement, but want to make sure this patch passes try first.
Source-Repo: https://github.com/servo/servo
Source-Revision: e7b5891d9ccdb551a536937391c019e20b3911a4
As they're hypothetical, their margins shouldn't take up space!
Improves Google search results.
Closes#13915.
Source-Repo: https://github.com/servo/servo
Source-Revision: e888b7653479022bf5aecc518a73f1cf627e318a
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Layers were a feature of the legacy drawing path. If we re-add them at
some point, it probably makes more sense to make them a product of
display list inspection.
This change also remove a bunch of dead painting code.
Source-Repo: https://github.com/servo/servo
Source-Revision: bb271ef4afea02b6b1b5d207e773d1fedccd2906
Additionally, this patch reverts the change introduced in #12642 in
favor of the spec-compliant behavior described above. This patch also
removes the `inline_block_overflow.html` reftest introduced in #3725, as
the behavior it expected contradicted CSS 2.1 (and in fact the test
fails in Gecko).
The changes that this patch makes to `input_selection_a.html` and
`input_selection_incremental_a.html` are necessary workarounds to make
the tests pass in light of the fact that Servo's UA stylesheet applies
`overflow: hidden` to `<input>` elements. I believe that the changes are
not necessary in other rendering engines because they hard-code
`overflow: hidden`-like behavior for `<input>` elements, while Servo
uses the actual CSS `overflow: hidden` behavior. As far as I can tell,
Servo's behavior is arguably more spec-compliant, but it remains to be
seen how Web compatible it is.
Improves the Google results pages.
Closes#13707.
r? @notriddle
Source-Repo: https://github.com/servo/servo
Source-Revision: bbcc743bb48979bacec789386f1c713286eb4d4d
`InlineMetrics` has been split into `InlineMetrics` for fragments and
`LineMetrics` for lines. Both structures' fields have been renamed in
order to more clearly delineate the difference between *space* and
*content*. Vertical positioning of fragments has been reworked to take
margins and borders into account only for replaced content.
This patch fixes the `vertical_align_super_a.html` reftest. Servo now
matches the rendering that Gecko and WebKit produce.
Additionally, this includes a test for the popular inline-block
centering technique described here:
https://s.codepen.io/shshaw/fullpage/gEiDt?#Inline-Block
r? @mbrubeck
Source-Repo: https://github.com/servo/servo
Source-Revision: 768a699fa5d822173b2247d6348413d09951a8bb
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minimal SVG element implementation
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Source-Revision: dad3b4785a73aa6ddea5ed50ee4ef01bd4049c8d
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As part of #13127.
cc @aneeshusa
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Source-Repo: https://github.com/servo/servo
Source-Revision: 19a5a30113c3b58d69b6010c79db35b9bd8978c9
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Implement the `keep-all` value for the `word-break` property, as specified in [CSS](https://drafts.csswg.org/css-text-3/#word-break-property).
The relevant CSSWG tests (in `tests/wpt/css-tests/css-text-3_dev/html/word-break-keep-all-*.htm`) do not currently pass. As far as I can tell, this is because the tests use some JavaScript code that is not working properly. (But then, it seems that most tests in this directory are failing at the moment. I'm not sure what can be done here for now.)
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Source-Revision: c9442346d3b454d9cbfcbd76d887e4f22f942531
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Add support for new background-repeat modes and upgrade Euclid, which now has support for basic arithmetic with Size2D.
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This adds support for more background-repeat modes using the legacy
rasterization backend.
Source-Repo: https://github.com/servo/servo
Source-Revision: efdd94a2b629e4ae41d81a4209ad80b89eb6b937
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The second argument for the `emit_struct()` is the number of fields, if given `0`, the output JSON will always be empty.
This is used in `./mach run -d -Z trace-layout https://servo.org`, which will dump the layout flow tree into a `layout_trace.json` file for debugging.
This also unblocks https://github.com/servo/servo/issues/12675
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Source-Repo: https://github.com/servo/servo
Source-Revision: 3993fde90acf08fd2ec423ce0d1f60f3a69a4b37
Border, padding and margin properties' top and bottom values of inline elements were affecting the element's height. It shouldn't affect it normally. Fixed it and added a test.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 91cee66fe890b283b380142f2c3a076fed2b1024
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Fix fragment splitting algorithm to set FIRST/LAST_FRAGMENT_OF_ELEMENT flag correctly, account for border_padding for border_box and set zero border_padding between for new fragments.
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Source-Revision: 2420dc4a3e9338977e6f24184e65abff9749afb4
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This pull requests implements basic flexible box layout for row container.
It has implemented most basic flexbox features, including grow, shrink, multi-line, *reverse properties, and alignment under `justify-content`, `align-items`, `align-self`, `align-content`.
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r? @pcwalton
Source-Repo: https://github.com/servo/servo
Source-Revision: 15947f8f73bc8145916e1213f559eede815d8529
When an explicit height is used for inline-block fragments, the line spacing algorithm should use that for the height above the baseline, instead of the intrinsic one.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 8a09a0369fa239dd349fe441940ea40e71a4cf03
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1. Change textarea's style from white-space: pre to white-space: pre-wrap.
2. Display insertion point when a line is wrapped.
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Source-Repo: https://github.com/servo/servo
Source-Revision: a3e8199c97fc0cb61f199d2bda218fe695f04b8c
Background:
The changes to Servo code to support Stylo began in the `selectors` crate with making pseudo-elements generic, defined be the user, so that different users (such as Servo and Gecko/Stylo) could have a different set of pseudo-elements supported and parsed. Adding a trait makes sense there since `selectors` is in its own repository and has others users (or at least [one](https://github.com/SimonSapin/kuchiki)).
Then we kind of kept going with the same pattern and added a bunch of traits in the `style` crate to make everything generic, allowing Servo and Gecko/Stylo to do things differently. But we’ve also added a `gecko` Cargo feature to do conditional compilation, at first to enable or disable some CSS properties and values in the Mako templates. Since we’re doing conditional compilation anyway, it’s often easier and simpler to do it more (with `#[cfg(feature = "gecko")]` and `#[cfg(feature = "servo")]`) that to keep adding traits and making everything generic. When a type is generic, any method that we want to call on it needs to be part of some trait.
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The first several commits move some code around, mostly from `geckolib` to `style` (with `#[cfg(feature = "gecko")]`) but otherwise don’t change much.
The following commits remove some traits and many type parameters through the `style` crate, replacing them with pairs of conditionally-compiled API-compatible items (types, methods, …).
Simplifying code is nice to make it more maintainable, but this is motivated by another change described in https://github.com/servo/servo/pull/12391#issuecomment-232183942. (Porting Servo for that change proved difficult because some code in the `style` crate was becoming generic over `String` vs `Atom`, and this PR will help make that concrete. That change, in turn, is motivated by removing geckolib’s `[replace]` override for string-cache, in order to enable using a single Cargo "workspace" in this repository.)
r? @bholley
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Source-Repo: https://github.com/servo/servo
Source-Revision: 2d01d41a506bcbc7f26a2284b9f42390d6ef96ab
Fix line-breaking with white-space: pre-wrap/pre-line;
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Not sure if this is the appropriate fix, but we'll know soon.
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r? @mbrubeck
Source-Repo: https://github.com/servo/servo
Source-Revision: 8ded106186aa0855a2bd991d573e7095590efca1
The display list item for a line of text has a single color assigned for
it, so text fragments with different colors cannot be merged.
There is no issue number for this, as far as I know. I found this while
trying an internal program that uses red asterisks for required text
fields.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 5b20673d43dadb86bd1770da89a712f137187331
The font of empty fragments is not accounted for in layout. This behavior is incorrect when part of an input field.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 881c02ec894048c3510ee7a7a3b7fde50b2cfac3
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Checked the html in the github issue and the image looks like it is resized properly in Servo.
Fixed image resizing when height is specified in percentages.
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Source-Revision: d2db39634e6e39f4cb054e0b443339409ae69350
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Each fragment has a `u16` `debug_id` in debug mode, but no `debug_id` in production to save memory. To format a debug id in production, the address of the empty `debug_id` is displayed.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 5002dff85352a09ff79f0183e437876f36b77515
