Struct pango::Attribute

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pub struct Attribute { /* private fields */ }
Expand description

The Attribute structure represents the common portions of all attributes.

Particular types of attributes include this structure as their initial portion. The common portion of the attribute holds the range to which the value in the type-specific part of the attribute applies and should be initialized using Pango::Attribute::init(). By default, an attribute will have an all-inclusive range of [0,G_MAXUINT].

GLib type: Boxed type with copy-on-clone semantics.

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impl Attribute

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pub fn as_ptr(&self) -> *mut PangoAttribute

Return the inner pointer to the underlying C value.

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pub unsafe fn from_glib_ptr_borrow(ptr: &*mut PangoAttribute) -> &Self

Borrows the underlying C value.

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pub unsafe fn from_glib_ptr_borrow_mut( ptr: &mut *mut PangoAttribute ) -> &mut Self

Borrows the underlying C value mutably.

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impl Attribute

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pub fn attr_class(&self) -> AttrClass

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pub fn type_(&self) -> AttrType

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pub fn start_index(&self) -> u32

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pub fn end_index(&self) -> u32

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pub fn set_start_index(&mut self, index: u32)

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pub fn set_end_index(&mut self, index: u32)

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pub fn downcast<T: IsAttribute>(self) -> Result<T, Attribute>

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pub fn downcast_ref<T: IsAttribute>(&self) -> Option<&T>

Trait Implementations§

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impl AsRef<Attribute> for AttrColor

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrFloat

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrFontDesc

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrFontFeatures

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrInt

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrLanguage

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrShape

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrSize

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl AsRef<Attribute> for AttrString

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fn as_ref(&self) -> &Attribute

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for Attribute

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fn clone(&self) -> Self

Copies the boxed type with the type-specific copy function.

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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 Attribute

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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 From<AttrColor> for Attribute

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fn from(attr: AttrColor) -> Attribute

Converts to this type from the input type.
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impl From<AttrFloat> for Attribute

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fn from(attr: AttrFloat) -> Attribute

Converts to this type from the input type.
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impl From<AttrFontDesc> for Attribute

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fn from(attr: AttrFontDesc) -> Attribute

Converts to this type from the input type.
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impl From<AttrFontFeatures> for Attribute

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fn from(attr: AttrFontFeatures) -> Attribute

Converts to this type from the input type.
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impl From<AttrInt> for Attribute

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fn from(attr: AttrInt) -> Attribute

Converts to this type from the input type.
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impl From<AttrLanguage> for Attribute

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fn from(attr: AttrLanguage) -> Attribute

Converts to this type from the input type.
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impl From<AttrShape> for Attribute

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fn from(attr: AttrShape) -> Attribute

Converts to this type from the input type.
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impl From<AttrSize> for Attribute

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fn from(attr: AttrSize) -> Attribute

Converts to this type from the input type.
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impl From<AttrString> for Attribute

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fn from(attr: AttrString) -> Attribute

Converts to this type from the input type.
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impl From<Attribute> for Value

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fn from(o: Attribute) -> Self

Converts to this type from the input type.
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impl HasParamSpec for Attribute

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type ParamSpec = ParamSpecBoxed

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type SetValue = Attribute

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecBoxedBuilder<'_, Attribute>

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for Attribute

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Attribute

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for Attribute

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fn eq(&self, other: &Self) -> 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 PartialOrd for Attribute

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for Attribute

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impl Send for Attribute

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impl Sync for Attribute

Auto Trait Implementations§

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impl<T> Any for T
where 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 T
where 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 T
where 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<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T, U> Into<U> for T
where 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> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where 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> ToSendValue for T
where T: Send + ToValue + ?Sized,

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fn to_send_value(&self) -> SendValue

Returns a SendValue clone of self.
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impl<T> TransparentType for T

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impl<T, U> TryFrom<U> for T
where 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> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where 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.
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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,