Struct gstreamer_editing_services::TextOverlay

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

§Implements

TextOverlayExt, [OperationExt][trait@crate::prelude::OperationExt], TrackElementExt, TimelineElementExt, [trait@glib::ObjectExt], ExtractableExt, MetaContainerExt, [TimelineElementExtManual][trait@crate::prelude::TimelineElementExtManual]

GLib type: GObject with reference counted clone semantics.

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impl TextOverlay

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pub const NONE: Option<&'static TextOverlay> = None

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pub fn new() -> Option<TextOverlay>

👎Deprecated: Since 1.18

Creates a new TextOverlay.

§Deprecated since 1.18

This should never be called by applications as this will be created by clips.

§Returns

The newly created TextOverlay or None if something went wrong.

Trait Implementations§

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impl Clone for TextOverlay

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fn clone(&self) -> Self

Makes a clone of this shared reference.

This increments the strong reference count of the object. Dropping the object will decrement it again.

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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 TextOverlay

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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 HasParamSpec for TextOverlay

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type ParamSpec = ParamSpecObject

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type SetValue = TextOverlay

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

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for TextOverlay

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

Hashes the memory address of this object.

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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 TextOverlay

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

Comparison for two GObjects.

Compares the memory addresses of the provided objects.

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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 ParentClassIs for TextOverlay

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impl<OT: ObjectType> PartialEq<OT> for TextOverlay

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

Equality for two GObjects.

Two GObjects are equal if their memory addresses are equal.

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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<OT: ObjectType> PartialOrd<OT> for TextOverlay

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

Partial comparison for two GObjects.

Compares the memory addresses of the provided objects.

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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 TextOverlay

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for TextOverlay

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impl IsA<Extractable> for TextOverlay

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impl IsA<MetaContainer> for TextOverlay

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impl IsA<Operation> for TextOverlay

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impl IsA<TimelineElement> for TextOverlay

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impl IsA<TrackElement> for TextOverlay

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> Cast for T
where T: ObjectType,

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fn upcast<T>(self) -> T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a superclass or interface T. Read more
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fn upcast_ref<T>(&self) -> &T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a reference of its superclass or interface T. Read more
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fn downcast<T>(self) -> Result<T, Self>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a subclass or interface implementor T. Read more
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fn downcast_ref<T>(&self) -> Option<&T>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a reference of its subclass or interface implementor T. Read more
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fn dynamic_cast<T>(self) -> Result<T, Self>
where T: ObjectType,

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while upcast will do many checks at compile-time already. downcast will perform the same checks at runtime as dynamic_cast, but will also ensure some amount of compile-time safety. Read more
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fn dynamic_cast_ref<T>(&self) -> Option<&T>
where T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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unsafe fn unsafe_cast<T>(self) -> T
where T: ObjectType,

Casts to T unconditionally. Read more
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unsafe fn unsafe_cast_ref<T>(&self) -> &T
where T: ObjectType,

Casts to &T unconditionally. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<O> ExtractableExt for O
where O: IsA<Extractable>,

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fn asset(&self) -> Option<Asset>

Get the asset that has been set on the extractable object. Read more
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fn id(&self) -> GString

Gets the id of some associated asset. It may be the case that the object has no set asset, or even that such an asset does not yet exist in the GES cache. Instead, this will return the asset id that is compatible with the current state of the object, as determined by the Extractable implementer. If it was indeed extracted from an asset, this should return the same as its corresponding asset id. Read more
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fn set_asset(&self, asset: &impl IsA<Asset>) -> Result<(), BoolError>

Sets the asset for this extractable object. 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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unsafe fn from_glib_none_num_as_vec(ptr: *const GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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

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unsafe fn from_glib_none_num_as_vec(ptr: *const GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( _: *const GPtrArray, _: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GPtrArray, _: usize) -> Vec<T>

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

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unsafe fn from_glib_none_num_as_vec(ptr: *const GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( ptr: *mut GPtrArray, num: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *const GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GList) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *const GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GSList) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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

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unsafe fn from_glib_none_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T>

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impl<O> GObjectExtManualGst for O
where O: IsA<Object>,

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fn set_property_from_str(&self, name: &str, value: &str)

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<U> IsSubclassableExt for U

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impl<O> MetaContainerExt for O
where O: IsA<MetaContainer>,

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fn add_metas_from_string(&self, str: &str) -> bool

Deserializes the given string, and adds and sets the found fields and their values on the container. The string should be the return of metas_to_string(). Read more
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fn check_meta_registered(&self, meta_item: &str) -> Option<(MetaFlag, Type)>

Checks whether the specified field has been registered as static, and gets the registered type and flags of the field, as used in register_meta() and register_static_meta(). Read more
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fn foreach<P: FnMut(&MetaContainer, &str, &Value)>(&self, func: P)

Calls the given function on each of the meta container’s set metadata fields. Read more
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fn boolean(&self, meta_item: &str) -> Option<bool>

Gets the current boolean value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn date(&self, meta_item: &str) -> Option<Date>

Gets the current date value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn date_time(&self, meta_item: &str) -> Option<DateTime>

Gets the current date time value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn double(&self, meta_item: &str) -> Option<f64>

Gets the current double value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn float(&self, meta_item: &str) -> Option<f32>

Gets the current float value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn int(&self, meta_item: &str) -> Option<i32>

Gets the current int value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn int64(&self, meta_item: &str) -> Option<i64>

Gets the current int64 value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn marker_list(&self, key: &str) -> Option<MarkerList>

Gets the current marker list value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn meta(&self, key: &str) -> Option<Value>

Gets the current value of the specified field of the meta container. Read more
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fn string(&self, meta_item: &str) -> Option<GString>

Gets the current string value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn uint(&self, meta_item: &str) -> Option<u32>

Gets the current uint value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn uint64(&self, meta_item: &str) -> Option<u64>

Gets the current uint64 value of the specified field of the meta container. If the field does not have a set value, or it is of the wrong type, the method will fail. Read more
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fn metas_to_string(&self) -> GString

Serializes the set metadata fields of the meta container to a string. Read more
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fn register_meta(&self, flags: MetaFlag, meta_item: &str, value: &Value) -> bool

Sets the value of the specified field of the meta container to the given value, and registers the field to only hold a value of the same type. After calling this, only values of the same type as value can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_boolean( &self, flags: MetaFlag, meta_item: &str, value: bool, ) -> bool

Sets the value of the specified field of the meta container to the given boolean value, and registers the field to only hold a boolean typed value. After calling this, only boolean values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_date( &self, flags: MetaFlag, meta_item: &str, value: &Date, ) -> bool

Sets the value of the specified field of the meta container to the given date value, and registers the field to only hold a date typed value. After calling this, only date values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_date_time( &self, flags: MetaFlag, meta_item: &str, value: &DateTime, ) -> bool

Sets the value of the specified field of the meta container to the given date time value, and registers the field to only hold a date time typed value. After calling this, only date time values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_double( &self, flags: MetaFlag, meta_item: &str, value: f64, ) -> bool

Sets the value of the specified field of the meta container to the given double value, and registers the field to only hold a double typed value. After calling this, only double values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_float( &self, flags: MetaFlag, meta_item: &str, value: f32, ) -> bool

Sets the value of the specified field of the meta container to the given float value, and registers the field to only hold a float typed value. After calling this, only float values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_int( &self, flags: MetaFlag, meta_item: &str, value: i32, ) -> bool

Sets the value of the specified field of the meta container to the given int value, and registers the field to only hold an int typed value. After calling this, only int values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_int64( &self, flags: MetaFlag, meta_item: &str, value: i64, ) -> bool

Sets the value of the specified field of the meta container to the given int64 value, and registers the field to only hold an int64 typed value. After calling this, only int64 values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_string( &self, flags: MetaFlag, meta_item: &str, value: &str, ) -> bool

Sets the value of the specified field of the meta container to the given string value, and registers the field to only hold a string typed value. After calling this, only string values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_uint( &self, flags: MetaFlag, meta_item: &str, value: u32, ) -> bool

Sets the value of the specified field of the meta container to the given uint value, and registers the field to only hold a uint typed value. After calling this, only uint values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_meta_uint64( &self, flags: MetaFlag, meta_item: &str, value: u64, ) -> bool

Sets the value of the specified field of the meta container to the given uint64 value, and registers the field to only hold a uint64 typed value. After calling this, only uint64 values can be set for this field. The given flags can be set to make this field only readable after calling this method. Read more
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fn register_static_meta( &self, flags: MetaFlag, meta_item: &str, type_: Type, ) -> bool

Registers a static metadata field on the container to only hold the specified type. After calling this, setting a value under this field can only succeed if its type matches the registered type of the field. Read more
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fn set_boolean(&self, meta_item: &str, value: bool) -> bool

Sets the value of the specified field of the meta container to the given boolean value. Read more
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fn set_date(&self, meta_item: &str, value: &Date) -> bool

Sets the value of the specified field of the meta container to the given date value. Read more
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fn set_date_time(&self, meta_item: &str, value: &DateTime) -> bool

Sets the value of the specified field of the meta container to the given date time value. Read more
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fn set_double(&self, meta_item: &str, value: f64) -> bool

Sets the value of the specified field of the meta container to the given double value. Read more
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fn set_float(&self, meta_item: &str, value: f32) -> bool

Sets the value of the specified field of the meta container to the given float value. Read more
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fn set_int(&self, meta_item: &str, value: i32) -> bool

Sets the value of the specified field of the meta container to the given int value. Read more
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fn set_int64(&self, meta_item: &str, value: i64) -> bool

Sets the value of the specified field of the meta container to the given int64 value. Read more
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fn set_marker_list(&self, meta_item: &str, list: &MarkerList) -> bool

Sets the value of the specified field of the meta container to the given marker list value. Read more
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fn set_meta(&self, meta_item: &str, value: Option<&Value>) -> bool

Sets the value of the specified field of the meta container to a copy of the given value. If the given value is None, the field given by meta_item is removed and true is returned. Read more
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fn set_string(&self, meta_item: &str, value: &str) -> bool

Sets the value of the specified field of the meta container to the given string value. Read more
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fn set_uint(&self, meta_item: &str, value: u32) -> bool

Sets the value of the specified field of the meta container to the given uint value. Read more
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fn set_uint64(&self, meta_item: &str, value: u64) -> bool

Sets the value of the specified field of the meta container to the given uint64 value. Read more
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fn connect_notify_meta<F: Fn(&Self, &str, Option<&Value>) + 'static>( &self, detail: Option<&str>, f: F, ) -> SignalHandlerId

This is emitted for a meta container whenever the metadata under one of its fields changes, is set for the first time, or is removed. In the latter case, value will be None. Read more
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impl<T> ObjectExt for T
where T: ObjectType,

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fn is<U>(&self) -> bool
where U: StaticType,

Returns true if the object is an instance of (can be cast to) T.
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fn type_(&self) -> Type

Returns the type of the object.
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fn object_class(&self) -> &Class<Object>

Returns the ObjectClass of the object. Read more
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fn class(&self) -> &Class<T>
where T: IsClass,

Returns the class of the object.
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fn class_of<U>(&self) -> Option<&Class<U>>
where U: IsClass,

Returns the class of the object in the given type T. Read more
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fn interface<U>(&self) -> Option<InterfaceRef<'_, U>>
where U: IsInterface,

Returns the interface T of the object. Read more
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fn set_property(&self, property_name: &str, value: impl Into<Value>)

Sets the property property_name of the object to value value. Read more
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fn set_property_from_value(&self, property_name: &str, value: &Value)

Sets the property property_name of the object to value value. Read more
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fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])

Sets multiple properties of the object at once. Read more
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fn set_properties_from_value(&self, property_values: &[(&str, Value)])

Sets multiple properties of the object at once. Read more
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fn property<V>(&self, property_name: &str) -> V
where V: for<'b> FromValue<'b> + 'static,

Gets the property property_name of the object and cast it to the type V. Read more
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fn property_value(&self, property_name: &str) -> Value

Gets the property property_name of the object. Read more
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fn has_property(&self, property_name: &str, type_: Option<Type>) -> bool

Check if the object has a property property_name of the given type_. Read more
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fn property_type(&self, property_name: &str) -> Option<Type>

Get the type of the property property_name of this object. Read more
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fn find_property(&self, property_name: &str) -> Option<ParamSpec>

Get the ParamSpec of the property property_name of this object.
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fn list_properties(&self) -> PtrSlice<ParamSpec>

Return all ParamSpec of the properties of this object.
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fn freeze_notify(&self) -> PropertyNotificationFreezeGuard

Freeze all property notifications until the return guard object is dropped. Read more
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unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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unsafe fn set_data<QD>(&self, key: &str, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn data<QD>(&self, key: &str) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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fn block_signal(&self, handler_id: &SignalHandlerId)

Block a given signal handler. Read more
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fn unblock_signal(&self, handler_id: &SignalHandlerId)

Unblock a given signal handler.
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fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)

Stop emission of the currently emitted signal.
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fn stop_signal_emission_by_name(&self, signal_name: &str)

Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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fn connect<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_id on this object. Read more
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fn connect_local<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_local_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_id on this object. Read more
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unsafe fn connect_unsafe<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_name on this object. Read more
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unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_id on this object. Read more
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fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_name on this object. Read more
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fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_id on this object. Read more
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fn watch_closure(&self, closure: &impl AsRef<Closure>)

Limits the lifetime of closure to the lifetime of the object. When the object’s reference count drops to zero, the closure will be invalidated. An invalidated closure will ignore any calls to invoke_with_values, or invoke when using Rust closures.
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fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> R

Emit signal by signal id. Read more
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fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>

Same as Self::emit but takes Value for the arguments.
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fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> R

Emit signal by its name. Read more
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>

Emit signal by its name. Read more
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fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by its name with details. Read more
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fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by its name with details. Read more
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fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by signal id with details. Read more
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fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

Connect to the notify signal of the object. Read more
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + 'static,

Connect to the notify signal of the object. Read more
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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
where F: Fn(&T, &ParamSpec),

Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + Send + 'static,

Add a callback to be notified when the Object is disposed.
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fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + 'static,

Add a callback to be notified when the Object is disposed. Read more
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fn bind_property<'a, 'f, 't, O>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str, ) -> BindingBuilder<'a, 'f, 't>
where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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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<O> TextOverlayExt for O
where O: IsA<TextOverlay>,

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fn color(&self) -> u32

Get the color used by source. Read more
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fn font_desc(&self) -> Option<GString>

Get the pango font description currently set on source. Read more
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fn halignment(&self) -> TextHAlign

Get the horizontal aligment used by source. Read more
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fn text(&self) -> Option<GString>

Get the text currently set on source. Read more
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fn valignment(&self) -> TextVAlign

Get the vertical aligment used by source. Read more
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fn xpos(&self) -> f64

Get the horizontal position used by source. Read more
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fn ypos(&self) -> f64

Get the vertical position used by source. Read more
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fn set_color(&self, color: u32)

Sets the color of the text. Read more
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fn set_font_desc(&self, font_desc: Option<&str>)

Sets the pango font description of the text this track element will render. Read more
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fn set_halignment(&self, halign: TextHAlign)

Sets the horizontal aligment of the text. Read more
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fn set_text(&self, text: Option<&str>)

Sets the text this track element will render. Read more
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fn set_valignment(&self, valign: TextVAlign)

Sets the vertical aligment of the text. Read more
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fn set_xpos(&self, position: f64)

Sets the horizontal position of the text. Read more
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fn set_ypos(&self, position: f64)

Sets the vertical position of the text. Read more
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impl<O> TimelineElementExt for O
where O: IsA<TimelineElement>,

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fn add_child_property( &self, pspec: impl AsRef<ParamSpec>, child: &impl IsA<Object>, ) -> Result<(), BoolError>

Register a property of a child of the element to allow it to be written with set_child_property() and read with child_property(). A change in the property will also appear in the deep-notify signal. Read more
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fn copy(&self, deep: bool) -> TimelineElement

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fn edit( &self, layers: &[Layer], new_layer_priority: i64, mode: EditMode, edge: Edge, position: u64, ) -> bool

See edit_full(), which also gives an error. Read more
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fn edit_full( &self, new_layer_priority: i64, mode: EditMode, edge: Edge, position: u64, ) -> Result<(), Error>

Edits the element within its timeline by adjusting its start, duration or in-point, and potentially doing the same for other elements in the timeline. See EditMode for details about each edit mode. An edit may fail if it would place one of these properties out of bounds, or if it would place the timeline in an unsupported configuration. Read more
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fn child_property(&self, property_name: &str) -> Option<Value>

Gets the property of a child of the element. Read more
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fn child_property_by_pspec(&self, pspec: impl AsRef<ParamSpec>) -> Value

Gets the property of a child of the element. Specifically, the property corresponding to the pspec used in add_child_property() is copied into value. Read more
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fn duration(&self) -> ClockTime

Gets the duration for the element. Read more
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fn inpoint(&self) -> ClockTime

Gets the in-point for the element. Read more
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fn layer_priority(&self) -> u32

Gets the priority of the layer the element is in. A Group may span several layers, so this would return the highest priority (numerically, the smallest) amongst them. Read more
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fn max_duration(&self) -> Option<ClockTime>

Gets the max-duration for the element. Read more
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fn name(&self) -> Option<GString>

Gets the name for the element. Read more
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fn natural_framerate(&self) -> Option<(i32, i32)>

Get the “natural” framerate of self. This is to say, for example for a VideoUriSource the framerate of the source. Read more
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fn parent(&self) -> Option<TimelineElement>

Gets the parent for the element. Read more
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fn priority(&self) -> u32

Gets the priority for the element. Read more
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fn start(&self) -> ClockTime

Gets the start for the element. Read more
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fn timeline(&self) -> Option<Timeline>

Gets the timeline for the element. Read more
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fn toplevel_parent(&self) -> TimelineElement

Gets the toplevel parent of the element. Read more
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fn track_types(&self) -> TrackType

Gets the track types that the element can interact with, i.e. the type of Track it can exist in, or will create TrackElement-s for. Read more
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fn list_children_properties(&self) -> Vec<ParamSpec>

Get a list of children properties of the element, which is a list of all the specifications passed to add_child_property(). Read more
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fn lookup_child(&self, prop_name: &str) -> Option<(Object, ParamSpec)>

Looks up a child property of the element. Read more
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fn paste(&self, paste_position: ClockTime) -> Result<TimelineElement, BoolError>

Paste an element inside the same timeline and layer as self. self must be the return of ges_timeline_element_copy() with deep=TRUE, and it should not be changed before pasting. self is not placed in the timeline, instead a new element is created, alike to the originally copied element. Note that the originally copied element must stay within the same timeline and layer, at both the point of copying and pasting. Read more
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fn remove_child_property( &self, pspec: impl AsRef<ParamSpec>, ) -> Result<(), BoolError>

Remove a child property from the element. pspec should be a specification that was passed to add_child_property(). The corresponding property will no longer be registered as a child property for the element. Read more
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fn ripple(&self, start: ClockTime) -> Result<(), BoolError>

Edits the start time of an element within its timeline in ripple mode. See edit() with EditMode::Ripple and Edge::None. Read more
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fn ripple_end(&self, end: ClockTime) -> Result<(), BoolError>

Edits the end time of an element within its timeline in ripple mode. See edit() with EditMode::Ripple and Edge::End. Read more
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fn roll_end(&self, end: ClockTime) -> Result<(), BoolError>

Edits the end time of an element within its timeline in roll mode. See edit() with EditMode::Roll and Edge::End. Read more
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fn roll_start(&self, start: ClockTime) -> Result<(), BoolError>

Edits the start time of an element within its timeline in roll mode. See edit() with EditMode::Roll and Edge::Start. Read more
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fn set_child_property( &self, property_name: &str, value: &Value, ) -> Result<(), BoolError>

See set_child_property_full(), which also gives an error. Read more
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fn set_child_property_by_pspec( &self, pspec: impl AsRef<ParamSpec>, value: &Value, )

Sets the property of a child of the element. Specifically, the property corresponding to the pspec used in add_child_property() is set to value. Read more
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fn set_child_property_full( &self, property_name: &str, value: &Value, ) -> Result<(), Error>

Sets the property of a child of the element. Read more
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fn set_duration(&self, duration: impl Into<Option<ClockTime>>) -> bool

Sets duration for the element. Read more
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fn set_inpoint(&self, inpoint: ClockTime) -> bool

Sets in-point for the element. If the new in-point is above the current max-duration of the element, this method will fail. Read more
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fn set_max_duration(&self, maxduration: impl Into<Option<ClockTime>>) -> bool

Sets max-duration for the element. If the new maximum duration is below the current in-point of the element, this method will fail. Read more
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fn set_name(&self, name: Option<&str>) -> Result<(), BoolError>

Sets the name for the element. If None is given for name, then the library will instead generate a new name based on the type name of the element, such as the name “uriclip3” for a UriClip, and will set that name instead. Read more
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fn set_parent( &self, parent: &impl IsA<TimelineElement>, ) -> Result<(), BoolError>

Sets the parent for the element. Read more
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fn set_priority(&self, priority: u32) -> bool

👎Deprecated: Since 1.10
Sets the priority of the element within the containing layer. Read more
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fn set_start(&self, start: ClockTime) -> bool

Sets start for the element. If the element has a parent, this will also move its siblings with the same shift. Read more
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fn set_timeline(&self, timeline: &impl IsA<Timeline>) -> Result<(), BoolError>

Sets the timeline of the element. Read more
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fn trim(&self, start: ClockTime) -> Result<(), BoolError>

Edits the start time of an element within its timeline in trim mode. See edit() with EditMode::Trim and Edge::Start. Read more
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fn in_point(&self) -> u64

The initial offset to use internally when outputting content (in nanoseconds, but in the time coordinates of the internal content). Read more
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fn set_in_point(&self, in_point: u64)

The initial offset to use internally when outputting content (in nanoseconds, but in the time coordinates of the internal content). Read more
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fn is_serialize(&self) -> bool

Whether the element should be serialized.
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fn set_serialize(&self, serialize: bool)

Whether the element should be serialized.
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fn connect_child_property_added<F: Fn(&Self, &Object, &ParamSpec) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the element has a new child property registered. See add_child_property(). Read more
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fn connect_child_property_removed<F: Fn(&Self, &Object, &ParamSpec) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the element has a child property unregistered. See remove_child_property(). Read more
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fn connect_deep_notify<F: Fn(&Self, &Object, &ParamSpec) + 'static>( &self, detail: Option<&str>, f: F, ) -> SignalHandlerId

Emitted when a child of the element has one of its registered properties set. See add_child_property(). Note that unlike notify, a child property name can not be used as a signal detail. Read more
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fn connect_duration_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_in_point_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_max_duration_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_name_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_parent_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_priority_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

👎Deprecated: Since 1.10
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fn connect_serialize_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_start_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_timeline_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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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<O> TrackElementExt for O
where O: IsA<TrackElement>,

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fn add_children_props( &self, element: &impl IsA<Element>, wanted_categories: &[&str], blacklist: &[&str], whitelist: &[&str], )

Adds all the properties of a gst::Element that match the criteria as children properties of the track element. If the name of element’s gst::ElementFactory is not in blacklist, and the factory’s GST_ELEMENT_METADATA_KLASS contains at least one member of wanted_categories (e.g. GST_ELEMENT_FACTORY_KLASS_DECODER), then all the properties of element that are also in whitelist are added as child properties of self using TimelineElementExt::add_child_property(). Read more
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fn clamp_control_source(&self, property_name: &str)

Clamp the GstTimedValueControlSource for the specified child property to lie between the in-point and out-point of the element. The out-point is the GES_TIMELINE_ELEMENT_END of the element translated from the timeline coordinates to the internal source coordinates of the element. Read more
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fn edit( &self, layers: &[Layer], mode: EditMode, edge: Edge, position: u64, ) -> Result<(), BoolError>

👎Deprecated: Since 1.18
Edits the element within its track. Read more
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fn is_auto_clamp_control_sources(&self) -> bool

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fn child_property(&self, property_name: &str) -> Option<Value>

In general, a copy is made of the property contents and the caller is responsible for freeing the memory by calling [glib::Value::unset()][crate::glib::Value::unset()]. Read more
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fn child_property_by_pspec(&self, pspec: impl AsRef<ParamSpec>) -> Value

Gets a property of a child of self. Read more
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fn control_binding(&self, property_name: &str) -> Option<ControlBinding>

Gets the control binding that was created for the specified child property of the track element using set_control_source(). The given property_name must be the same name of the child property that was passed to set_control_source(). Read more
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fn element(&self) -> Option<Element>

Get the gst::Element that the track element’s underlying nleobject controls. Read more
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fn gnlobject(&self) -> Element

Get the GNonLin object this object is controlling. Read more
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fn nleobject(&self) -> Element

Get the nleobject that this element wraps. Read more
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fn track(&self) -> Option<Track>

Get the track for the element. Read more
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fn track_type(&self) -> TrackType

Gets the track-type for the element. Read more
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fn has_internal_source(&self) -> bool

Gets has-internal-source for the element. Read more
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fn is_active(&self) -> bool

Gets active for the element. Read more
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fn is_core(&self) -> bool

Get whether the given track element is a core track element. That is, it was created by the create_track_elements GESClipClass method for some Clip. Read more
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fn list_children_properties(&self) -> Vec<ParamSpec>

Gets an array of glib::ParamSpec* for all configurable properties of the children of self. Read more
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fn lookup_child(&self, prop_name: &str) -> Option<(Element, ParamSpec)>

Looks up which element and pspec would be effected by the given name. If various contained elements have this property name you will get the first one, unless you specify the class name in name. Read more
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fn remove_control_binding(&self, property_name: &str) -> Result<(), BoolError>

Removes the gst::ControlBinding that was created for the specified child property of the track element using set_control_source(). The given property_name must be the same name of the child property that was passed to set_control_source(). Read more
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fn set_active(&self, active: bool) -> bool

Sets active for the element. Read more
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fn set_auto_clamp_control_sources(&self, auto_clamp: bool)

Sets auto-clamp-control-sources. If set to true, this will immediately clamp all the control sources. Read more
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fn set_child_property( &self, property_name: &str, value: &Value, ) -> Result<(), BoolError>

Sets a property of a GstElement contained in self. Read more
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fn set_child_property_by_pspec( &self, pspec: impl AsRef<ParamSpec>, value: &Value, )

Sets a property of a child of self. Read more
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fn set_control_source( &self, source: &impl IsA<ControlSource>, property_name: &str, binding_type: &str, ) -> bool

Creates a gst::ControlBinding for the specified child property of the track element using the given control source. The given property_name should refer to an existing child property of the track element, as used in TimelineElementExt::lookup_child(). Read more
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fn set_has_internal_source(&self, has_internal_source: bool) -> bool

Sets has-internal-source for the element. If this is set to false, this method will also set the in-point of the element to 0 and its max-duration to GST_CLOCK_TIME_NONE. Read more
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fn set_track_type(&self, type_: TrackType)

Sets the track-type for the element. Read more
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fn connect_control_binding_added<F: Fn(&Self, &ControlBinding) + 'static>( &self, f: F, ) -> SignalHandlerId

This is emitted when a control binding is added to a child property of the track element. Read more
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fn connect_control_binding_removed<F: Fn(&Self, &ControlBinding) + 'static>( &self, f: F, ) -> SignalHandlerId

This is emitted when a control binding is removed from a child property of the track element. Read more
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fn connect_active_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_auto_clamp_control_sources_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_has_internal_source_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_track_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_track_type_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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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,

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impl<Super, Sub> MayDowncastTo<Sub> for Super
where Super: IsA<Super>, Sub: IsA<Super>,