Struct ElementState

#[repr(C)]
pub struct ElementState(pub(crate) <ElementState as PublicFlags>::Internal);

Event-based element states.

Tuple Fields

0: <ElementState as PublicFlags>::Internal

Implementations

impl ElementState

pub const ACTIVE: Self

The mouse is down on this element. https://html.spec.whatwg.org/multipage/#selector-active FIXME(#7333): set/unset this when appropriate

pub const FOCUS: Self

This element has focus. https://html.spec.whatwg.org/multipage/#selector-focus

pub const HOVER: Self

The mouse is hovering over this element. https://html.spec.whatwg.org/multipage/#selector-hover

pub const ENABLED: Self

Content is enabled (and can be disabled). http://www.whatwg.org/html/#selector-enabled

pub const DISABLED: Self

Content is disabled. http://www.whatwg.org/html/#selector-disabled

pub const CHECKED: Self

Content is checked. https://html.spec.whatwg.org/multipage/#selector-checked

pub const INDETERMINATE: Self

https://html.spec.whatwg.org/multipage/#selector-indeterminate

pub const PLACEHOLDER_SHOWN: Self

https://html.spec.whatwg.org/multipage/#selector-placeholder-shown

pub const URLTARGET: Self

https://html.spec.whatwg.org/multipage/#selector-target

pub const FULLSCREEN: Self

https://fullscreen.spec.whatwg.org/#%3Afullscreen-pseudo-class

pub const VALID: Self

https://html.spec.whatwg.org/multipage/#selector-valid

pub const INVALID: Self

https://html.spec.whatwg.org/multipage/#selector-invalid

pub const USER_VALID: Self

https://drafts.csswg.org/selectors-4/#user-valid-pseudo

pub const USER_INVALID: Self

https://drafts.csswg.org/selectors-4/#user-invalid-pseudo

pub const VALIDITY_STATES: Self

All the validity bits at once.

pub const BROKEN: Self

Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-broken

pub const REQUIRED: Self

https://html.spec.whatwg.org/multipage/#selector-required

pub const OPTIONAL_: Self

https://html.spec.whatwg.org/multipage/#selector-optional We use an underscore to workaround a silly windows.h define.

pub const DEFINED: Self

https://html.spec.whatwg.org/multipage/#selector-defined

pub const VISITED: Self

https://html.spec.whatwg.org/multipage/#selector-visited

pub const UNVISITED: Self

https://html.spec.whatwg.org/multipage/#selector-link

pub const VISITED_OR_UNVISITED: Self

https://drafts.csswg.org/selectors-4/#the-any-link-pseudo

pub const DRAGOVER: Self

Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-drag-over

pub const INRANGE: Self

https://html.spec.whatwg.org/multipage/#selector-in-range

pub const OUTOFRANGE: Self

https://html.spec.whatwg.org/multipage/#selector-out-of-range

pub const READONLY: Self

https://html.spec.whatwg.org/multipage/#selector-read-only

pub const READWRITE: Self

https://html.spec.whatwg.org/multipage/#selector-read-write

pub const DEFAULT: Self

https://html.spec.whatwg.org/multipage/#selector-default

pub const OPTIMUM: Self

Non-standard & undocumented.

pub const SUB_OPTIMUM: Self

Non-standard & undocumented.

pub const SUB_SUB_OPTIMUM: Self

Non-standard & undocumented.

pub const METER_OPTIMUM_STATES: Self

All the above bits in one place.

pub const INCREMENT_SCRIPT_LEVEL: Self

Non-standard & undocumented.

pub const FOCUSRING: Self

https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo

pub const FOCUS_WITHIN: Self

https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo

pub const LTR: Self

:dir matching; the states are used for dynamic change detection. State that elements that match :dir(ltr) are in.

pub const RTL: Self

State that elements that match :dir(rtl) are in.

pub const HAS_DIR_ATTR: Self

State that HTML elements that have a “dir” attr are in.

pub const HAS_DIR_ATTR_LTR: Self

State that HTML elements with dir=“ltr” (or something case-insensitively equal to “ltr”) are in.

pub const HAS_DIR_ATTR_RTL: Self

State that HTML elements with dir=“rtl” (or something case-insensitively equal to “rtl”) are in.

pub const HAS_DIR_ATTR_LIKE_AUTO: Self

State that HTML elements without a valid-valued “dir” attr or any HTML elements (including ) with dir=“auto” (or something case-insensitively equal to “auto”) are in.

pub const AUTOFILL: Self

Non-standard & undocumented.

pub const AUTOFILL_PREVIEW: Self

Non-standard & undocumented.

pub const MODAL: Self

State for modal elements: https://drafts.csswg.org/selectors-4/#modal-state

pub const INERT: Self

https://html.spec.whatwg.org/multipage/#inert-subtrees

pub const TOPMOST_MODAL: Self

State for the topmost modal element in top layer

pub const DEVTOOLS_HIGHLIGHTED: Self

Initially used for the devtools highlighter, but now somehow only used for the devtools accessibility inspector.

pub const STYLEEDITOR_TRANSITIONING: Self

Used for the devtools style editor. Probably should go away.

pub const VALUE_EMPTY: Self

For :-moz-value-empty (to show widgets like the reveal password button or the clear button).

pub const REVEALED: Self

For :-moz-revealed.

pub const POPOVER_OPEN: Self

https://html.spec.whatwg.org/#selector-popover-open Match element’s popover visibility state of showing

pub const DIR_STATES: Self

Some convenience unions.

pub const DIR_ATTR_STATES: Self

pub const DISABLED_STATES: Self

pub const REQUIRED_STATES: Self

impl ElementState

pub const fn empty() -> Self

Get a flags value with all bits unset.

pub const fn all() -> Self

Get a flags value with all known bits set.

pub const fn bits(&self) -> u64

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

pub const fn from_bits(bits: u64) -> Option<Self>

Convert from a bits value.

This method will return None if any unknown bits are set.

pub const fn from_bits_truncate(bits: u64) -> Self

Convert from a bits value, unsetting any unknown bits.

pub const fn from_bits_retain(bits: u64) -> Self

Convert from a bits value exactly.

pub fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

pub const fn intersects(&self, other: Self) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

pub const fn contains(&self, other: Self) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

pub fn insert(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

pub fn remove(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

pub fn toggle(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

pub fn set(&mut self, other: Self, value: bool)

Call insert when value is true or remove when value is false.

pub const fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

pub const fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

pub const fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

pub const fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

pub const fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl ElementState

pub const fn iter(&self) -> Iter<ElementState>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

pub const fn iter_names(&self) -> IterNames<ElementState>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

Trait Implementations

impl Binary for ElementState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl BitAnd for ElementState

fn bitand(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

type Output = ElementState

The resulting type after applying the & operator.

impl BitAndAssign for ElementState

fn bitand_assign(&mut self, other: Self)

The bitwise and (&) of the bits in two flags values.

impl BitOr for ElementState

fn bitor(self, other: ElementState) -> Self

The bitwise or (|) of the bits in two flags values.

type Output = ElementState

The resulting type after applying the | operator.

impl BitOrAssign for ElementState

fn bitor_assign(&mut self, other: Self)

The bitwise or (|) of the bits in two flags values.

impl BitXor for ElementState

fn bitxor(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

type Output = ElementState

The resulting type after applying the ^ operator.

impl BitXorAssign for ElementState

fn bitxor_assign(&mut self, other: Self)

The bitwise exclusive-or (^) of the bits in two flags values.

impl Clone for ElementState

fn clone(&self) -> ElementState

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ElementState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Extend<ElementState> for ElementState

fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

The bitwise or (|) of the bits in each flags value.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl Flags for ElementState

const FLAGS: &'static [Flag<ElementState>]

The set of defined flags.

type Bits = u64

The underlying bits type.

fn bits(&self) -> u64

Get the underlying bits value.

fn from_bits_retain(bits: u64) -> ElementState

Convert from a bits value exactly.

fn empty() -> Self

Get a flags value with all bits unset.

fn all() -> Self

Get a flags value with all known bits set.

fn contains_unknown_bits(&self) -> bool

This method will return true if any unknown bits are set.

fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value.

fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.

fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

fn iter(&self) -> Iter<Self>

Yield a set of contained flags values.

fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values.

fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

fn intersects(&self, other: Self) -> bool

where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.

fn contains(&self, other: Self) -> bool

where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.

fn truncate(&mut self)

where Self: Sized,

Remove any unknown bits from the flags.

fn insert(&mut self, other: Self)

where Self: Sized,

The bitwise or (|) of the bits in two flags values.

fn remove(&mut self, other: Self)

where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!).

fn toggle(&mut self, other: Self)

where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.

fn set(&mut self, other: Self, value: bool)

where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.

fn clear(&mut self)

where Self: Sized,

Unsets all bits in the flags.

fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl FromIterator<ElementState> for ElementState

fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

The bitwise or (|) of the bits in each flags value.

impl IntoIterator for ElementState

type Item = ElementState

The type of the elements being iterated over.

type IntoIter = Iter<ElementState>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl LowerHex for ElementState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl MallocSizeOf for ElementState

fn size_of(&self, _: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.

impl Not for ElementState

fn not(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

type Output = ElementState

The resulting type after applying the ! operator.

impl Octal for ElementState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for ElementState

fn eq(&self, other: &ElementState) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PublicFlags for ElementState

type Primitive = u64

The type of the underlying storage.

type Internal = InternalBitFlags

The type of the internal field on the generated flags type.

impl Sub for ElementState

fn sub(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

type Output = ElementState

The resulting type after applying the - operator.

impl SubAssign for ElementState

fn sub_assign(&mut self, other: Self)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

impl UpperHex for ElementState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for ElementState

impl Eq for ElementState

impl StructuralPartialEq for ElementState