Struct gtk4::FontChooserLevel

pub struct FontChooserLevel { /* fields omitted */ }

Specifies the granularity of font selection that is desired in a FontChooser.

This enumeration may be extended in the future; applications should ignore unknown values.

Implementations

impl FontChooserLevel

pub const FAMILY: FontChooserLevel

Allow selecting a font family

pub const STYLE: FontChooserLevel

Allow selecting a specific font face

pub const SIZE: FontChooserLevel

Allow selecting a specific font size

pub const VARIATIONS: FontChooserLevel

Allow changing OpenType font variation axes

pub const FEATURES: FontChooserLevel

Allow selecting specific OpenType font features

pub const fn empty() -> FontChooserLevel

Returns an empty set of flags

pub const fn all() -> FontChooserLevel

Returns the set containing all flags.

pub const fn bits(&self) -> u32

Returns the raw value of the flags currently stored.

pub fn from_bits(bits: u32) -> Option<FontChooserLevel>

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

pub const fn from_bits_truncate(bits: u32) -> FontChooserLevel

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

pub const unsafe fn from_bits_unchecked(bits: u32) -> FontChooserLevel

Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).

pub const fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

pub const fn is_all(&self) -> bool

Returns true if all flags are currently set.

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

Returns true if there are flags common to both self and other.

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

Returns true all of the flags in other are contained within self.

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

Inserts the specified flags in-place.

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

Removes the specified flags in-place.

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

Toggles the specified flags in-place.

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

Inserts or removes the specified flags depending on the passed value.

Trait Implementations

impl Binary for FontChooserLevel

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

Formats the value using the given formatter.

impl BitAnd<FontChooserLevel> for FontChooserLevel

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

Returns the intersection between the two sets of flags.

type Output = FontChooserLevel

The resulting type after applying the & operator.

impl BitAndAssign<FontChooserLevel> for FontChooserLevel

fn bitand_assign(&mut self, other: FontChooserLevel)

Disables all flags disabled in the set.

impl BitOr<FontChooserLevel> for FontChooserLevel

fn bitor(self, other: FontChooserLevel) -> FontChooserLevel

Returns the union of the two sets of flags.

type Output = FontChooserLevel

The resulting type after applying the | operator.

impl BitOrAssign<FontChooserLevel> for FontChooserLevel

fn bitor_assign(&mut self, other: FontChooserLevel)

Adds the set of flags.

impl BitXor<FontChooserLevel> for FontChooserLevel

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

Returns the left flags, but with all the right flags toggled.

type Output = FontChooserLevel

The resulting type after applying the ^ operator.

impl BitXorAssign<FontChooserLevel> for FontChooserLevel

fn bitxor_assign(&mut self, other: FontChooserLevel)

Toggles the set of flags.

impl Clone for FontChooserLevel

fn clone(&self) -> FontChooserLevel

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for FontChooserLevel

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

Formats the value using the given formatter.

impl Display for FontChooserLevel

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

Formats the value using the given formatter.

impl Extend<FontChooserLevel> for FontChooserLevel

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

Extends a collection with the contents of an iterator.

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 FromIterator<FontChooserLevel> for FontChooserLevel

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

Creates a value from an iterator.

impl<'a> FromValue<'a> for FontChooserLevel

type Checker = GenericValueTypeChecker<Self>

Value type checker.

unsafe fn from_value(value: &'a Value) -> Self

Get the contained value from a Value.

impl Hash for FontChooserLevel

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl LowerHex for FontChooserLevel

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

Formats the value using the given formatter.

impl Not for FontChooserLevel

fn not(self) -> FontChooserLevel

Returns the complement of this set of flags.

type Output = FontChooserLevel

The resulting type after applying the ! operator.

impl Octal for FontChooserLevel

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

Formats the value using the given formatter.

impl Ord for FontChooserLevel

fn cmp(&self, other: &FontChooserLevel) -> Ordering

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<FontChooserLevel> for FontChooserLevel

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl PartialOrd<FontChooserLevel> for FontChooserLevel

fn partial_cmp(&self, other: &FontChooserLevel) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StaticType for FontChooserLevel

fn static_type() -> Type

Returns the type identifier of Self.

impl Sub<FontChooserLevel> for FontChooserLevel

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

Returns the set difference of the two sets of flags.

type Output = FontChooserLevel

The resulting type after applying the - operator.

impl SubAssign<FontChooserLevel> for FontChooserLevel

fn sub_assign(&mut self, other: FontChooserLevel)

Disables all flags enabled in the set.

impl ToValue for FontChooserLevel

fn to_value(&self) -> Value

Convert a value to a Value.

fn value_type(&self) -> Type

Returns the type identifer of self.

impl UpperHex for FontChooserLevel

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

Formats the value using the given formatter.

impl ValueType for FontChooserLevel

type Type = Self

Type to get the Type from.

impl Copy for FontChooserLevel

impl Eq for FontChooserLevel

impl StructuralEq for FontChooserLevel

impl StructuralPartialEq for FontChooserLevel