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Make input element display-inside always flow-root (#35908)

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Signed-off-by: Kenzie Raditya Tirtarahardja <kenzieradityatirtarahardja.18@gmail.com>
Co-authored-by: Kenzie Raditya Tirtarahardja <kenzieradityatirtarahardja.18@gmail.com>
This commit is contained in:
Kenzie Raditya Tirtarahardja 2025-03-23 08:45:59 +08:00 • committed by GitHub
parent 8dda64f14b
commit 40270cb626
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8 changed files with 136 additions and 16 deletions
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28
components/layout_2020/style_ext.rs
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@ -30,7 +30,7 @@ use style::values::specified::{Overflow, WillChangeBits, box_ as stylo};
use webrender_api as wr;
use webrender_api::units::LayoutTransform;
use crate::dom_traversal::Contents;
use crate::dom_traversal::{Contents, NonReplacedContents};
use crate::fragment_tree::FragmentFlags;
use crate::geom::{
AuOrAuto, LengthPercentageOrAuto, LogicalSides, LogicalSides1D, LogicalVec2, PhysicalSides,
@ -83,6 +83,22 @@ impl DisplayGeneratingBox {
is_list_item: false,
},
}
} else if matches!(
contents,
Contents::NonReplaced(NonReplacedContents::OfTextControl)
) {
// If it's an input or textarea, make sure the display-inside is flow-root.
// <https://html.spec.whatwg.org/multipage/#form-controls>
if let DisplayGeneratingBox::OutsideInside { outside, .. } = self {
DisplayGeneratingBox::OutsideInside {
outside: *outside,
inside: DisplayInside::FlowRoot {
is_list_item: false,
},
}
} else {
*self
}
} else {
*self
}
@ -334,6 +350,7 @@ pub(crate) trait ComputedValuesExt {
&self,
writing_mode: WritingMode,
) -> bool;
fn is_inline_box(&self, fragment_flags: FragmentFlags) -> bool;
}
impl ComputedValuesExt for ComputedValues {
@ -483,6 +500,12 @@ impl ComputedValuesExt for ComputedValues {
LogicalSides::from_physical(&self.physical_margin(), containing_block_writing_mode)
}
fn is_inline_box(&self, fragment_flags: FragmentFlags) -> bool {
self.get_box().display.is_inline_flow() &&
!fragment_flags
.intersects(FragmentFlags::IS_REPLACED | FragmentFlags::IS_TEXT_CONTROL)
}
/// Returns true if this is a transformable element.
fn is_transformable(&self, fragment_flags: FragmentFlags) -> bool {
// "A transformable element is an element in one of these categories:
@ -494,8 +517,7 @@ impl ComputedValuesExt for ComputedValues {
// elements."
// <https://drafts.csswg.org/css-transforms/#transformable-element>
// TODO: check for all cases listed in the above spec.
!self.get_box().display.is_inline_flow() ||
fragment_flags.contains(FragmentFlags::IS_REPLACED)
!self.is_inline_box(fragment_flags)
}
/// Returns true if this style has a transform, or perspective property set and