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

Event-based element states.

Tuple Fields§

§0: <ElementState as PublicFlags>::Internal

Implementations§

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impl ElementState

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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

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pub const FOCUS: Self = _

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pub const HOVER: Self = _

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

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pub const ENABLED: Self = _

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

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pub const DISABLED: Self = _

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pub const CHECKED: Self = _

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pub const INDETERMINATE: Self = _

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pub const PLACEHOLDER_SHOWN: Self = _

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pub const URLTARGET: Self = _

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pub const FULLSCREEN: Self = _

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pub const VALID: Self = _

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pub const INVALID: Self = _

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pub const USER_VALID: Self = _

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pub const USER_INVALID: Self = _

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pub const BROKEN: Self = _

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

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pub const LOADING: Self = _

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

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pub const REQUIRED: Self = _

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pub const OPTIONAL_: Self = _

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

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pub const DEFINED: Self = _

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pub const VISITED: Self = _

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pub const UNVISITED: Self = _

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pub const VISITED_OR_UNVISITED: Self = _

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pub const DRAGOVER: Self = _

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

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pub const INRANGE: Self = _

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pub const OUTOFRANGE: Self = _

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pub const READONLY: Self = _

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pub const READWRITE: Self = _

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pub const DEFAULT: Self = _

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pub const OPTIMUM: Self = _

Non-standard & undocumented.

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pub const SUB_OPTIMUM: Self = _

Non-standard & undocumented.

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pub const SUB_SUB_OPTIMUM: Self = _

Non-standard & undocumented.

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pub const INCREMENT_SCRIPT_LEVEL: Self = _

Non-standard & undocumented.

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pub const FOCUSRING: Self = _

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pub const FOCUS_WITHIN: Self = _

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pub const LTR: Self = _

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

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pub const RTL: Self = _

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

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pub const HAS_DIR_ATTR: Self = _

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

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pub const HAS_DIR_ATTR_LTR: Self = _

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

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pub const HAS_DIR_ATTR_RTL: Self = _

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

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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.

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pub const AUTOFILL: Self = _

Non-standard & undocumented.

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pub const AUTOFILL_PREVIEW: Self = _

Non-standard & undocumented.

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pub const MODAL_DIALOG: Self = _

State that dialog element is modal, for centered alignment https://html.spec.whatwg.org/multipage/#centered-alignment

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pub const INERT: Self = _

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pub const TOPMOST_MODAL: Self = _

State for the topmost modal element in top layer

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pub const DEVTOOLS_HIGHLIGHTED: Self = _

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

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pub const STYLEEDITOR_TRANSITIONING: Self = _

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

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pub const VALUE_EMPTY: Self = _

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

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pub const REVEALED: Self = _

For :-moz-revealed.

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pub const DIR_STATES: Self = _

Some convenience unions.

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pub const DIR_ATTR_STATES: Self = _

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pub const DISABLED_STATES: Self = _

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pub const REQUIRED_STATES: Self = _

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pub const MANUALLY_MANAGED_STATES: Self = _

Event states that can be added and removed through Element::{Add,Remove}ManuallyManagedStates.

Take care when manually managing state bits. You are responsible for setting or clearing the bit when an Element is added or removed from a document (e.g. in BindToTree and UnbindFromTree), if that is an appropriate thing to do for your state bit.

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pub const EXTERNALLY_MANAGED_STATES: Self = _

Event states that are managed externally to an element (by the EventStateManager, or by other code). As opposed to those in INTRINSIC_STATES, which are are computed by the element itself and returned from Element::IntrinsicState.

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pub const INTRINSIC_STATES: Self = _

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impl ElementState

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pub const fn empty() -> Self

Get a flags value with all bits unset.

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pub const fn all() -> Self

Get a flags value with all known bits set.

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pub const fn bits(&self) -> u64

Get the underlying bits value.

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

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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.

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

Convert from a bits value, unsetting any unknown bits.

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

Convert from a bits value exactly.

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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.

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pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

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pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

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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.

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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.

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

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

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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.

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

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

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

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

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

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

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

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

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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.

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

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

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pub const fn complement(self) -> Self

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

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impl ElementState

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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.

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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§

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impl Binary for ElementState

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

Formats the value using the given formatter.
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impl BitAnd<ElementState> for ElementState

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

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

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type Output = ElementState

The resulting type after applying the & operator.
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impl BitAndAssign<ElementState> for ElementState

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fn bitand_assign(&mut self, other: Self)

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

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impl BitOr<ElementState> for ElementState

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

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

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type Output = ElementState

The resulting type after applying the | operator.
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impl BitOrAssign<ElementState> for ElementState

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fn bitor_assign(&mut self, other: Self)

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

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impl BitXor<ElementState> for ElementState

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

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

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type Output = ElementState

The resulting type after applying the ^ operator.
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impl BitXorAssign<ElementState> for ElementState

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fn bitxor_assign(&mut self, other: Self)

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

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impl Clone for ElementState

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fn clone(&self) -> ElementState

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ElementState

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

Formats the value using the given formatter. Read more
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impl Extend<ElementState> for ElementState

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

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

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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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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. Read more
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impl Flags for ElementState

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

The set of defined flags.
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type Bits = u64

The underlying bits type.
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fn bits(&self) -> u64

Get the underlying bits value. Read more
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fn from_bits_retain(bits: u64) -> ElementState

Convert from a bits value exactly.
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fn empty() -> Self

Get a flags value with all bits unset.
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fn all() -> Self

Get a flags value with all known bits set.
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fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value. Read more
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fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.
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fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set. Read more
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fn iter(&self) -> Iter<Self>

Yield a set of contained flags values. Read more
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fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values. Read more
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fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.
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fn is_all(&self) -> bool

Whether all known bits in this flags value are set.
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fn intersects(&self, other: Self) -> boolwhere Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.
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fn contains(&self, other: Self) -> boolwhere Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.
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fn insert(&mut self, other: Self)where Self: Sized,

The bitwise or (|) of the bits in two flags values.
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fn remove(&mut self, other: Self)where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!). Read more
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fn toggle(&mut self, other: Self)where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.
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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.
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fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.
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fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.
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fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!). Read more
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fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.
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fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.
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impl FromIterator<ElementState> for ElementState

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

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

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impl IntoIterator for ElementState

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type Item = ElementState

The type of the elements being iterated over.
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type IntoIter = Iter<ElementState>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl LowerHex for ElementState

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

Formats the value using the given formatter.
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impl MallocSizeOf for ElementState

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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.
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impl Not for ElementState

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fn not(self) -> Self

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

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type Output = ElementState

The resulting type after applying the ! operator.
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impl Octal for ElementState

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

Formats the value using the given formatter.
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impl PartialEq<ElementState> for ElementState

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PublicFlags for ElementState

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type Primitive = u64

The type of the underlying storage.
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type Internal = InternalBitFlags

The type of the internal field on the generated flags type.
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impl Sub<ElementState> for ElementState

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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.

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type Output = ElementState

The resulting type after applying the - operator.
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impl SubAssign<ElementState> for ElementState

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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.

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impl UpperHex for ElementState

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

Formats the value using the given formatter.
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impl Copy for ElementState

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impl Eq for ElementState

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impl StructuralEq for ElementState

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impl StructuralPartialEq for ElementState

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.