pub struct ZwpInputMethodContextV1 { /* private fields */ }
Expand description

input method context

Corresponds to a text input on the input method side. An input method context is created on text input activation on the input method side. It allows receiving information about the text input from the application via events. Input method contexts do not keep state after deactivation and should be destroyed after deactivation is handled.

Text is generally UTF-8 encoded, indices and lengths are in bytes.

Serials are used to synchronize the state between the text input and an input method. New serials are sent by the text input in the commit_state request and are used by the input method to indicate the known text input state in events like preedit_string, commit_string, and keysym. The text input can then ignore events from the input method which are based on an outdated state (for example after a reset).

Warning! The protocol described in this file is experimental and backward incompatible changes may be made. Backward compatible changes may be added together with the corresponding interface version bump. Backward incompatible changes are done by bumping the version number in the protocol and interface names and resetting the interface version. Once the protocol is to be declared stable, the ‘z’ prefix and the version number in the protocol and interface names are removed and the interface version number is reset.

See also the Request enum for this interface.

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impl ZwpInputMethodContextV1

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pub fn surrounding_text(&self, text: String, cursor: u32, anchor: u32)

surrounding text event

The plain surrounding text around the input position. Cursor is the position in bytes within the surrounding text relative to the beginning of the text. Anchor is the position in bytes of the selection anchor within the surrounding text relative to the beginning of the text. If there is no selected text then anchor is the same as cursor.

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pub fn reset(&self)

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pub fn content_type(&self, hint: u32, purpose: u32)

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pub fn invoke_action(&self, button: u32, index: u32)

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pub fn commit_state(&self, serial: u32)

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pub fn preferred_language(&self, language: String)

Trait Implementations§

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impl Borrow<ObjectId> for ZwpInputMethodContextV1

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fn borrow(&self) -> &ObjectId

Immutably borrows from an owned value. Read more
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impl Clone for ZwpInputMethodContextV1

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fn clone(&self) -> ZwpInputMethodContextV1

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 ZwpInputMethodContextV1

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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 Hash for ZwpInputMethodContextV1

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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 PartialEq<Weak<ZwpInputMethodContextV1>> for ZwpInputMethodContextV1

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fn eq(&self, other: &Weak<ZwpInputMethodContextV1>) -> 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 PartialEq for ZwpInputMethodContextV1

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fn eq(&self, other: &ZwpInputMethodContextV1) -> 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 Resource for ZwpInputMethodContextV1

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type Request = Request

The request enum for this interface
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type Event<'event> = Event<'event>

The event enum for this interface
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fn interface() -> &'static Interface

The interface description
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fn id(&self) -> ObjectId

The ID of this object
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fn version(&self) -> u32

The version of this object
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fn data<U: 'static>(&self) -> Option<&U>

Access the user-data associated with this object
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fn object_data(&self) -> Option<&Arc<dyn Any + Send + Sync>>

Access the raw data associated with this object. Read more
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fn handle(&self) -> &WeakHandle

Access the backend handle associated with this object
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fn from_id(conn: &DisplayHandle, id: ObjectId) -> Result<Self, InvalidId>

Create an object resource from its ID Read more
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fn send_event(&self, evt: Self::Event<'_>) -> Result<(), InvalidId>

Send an event to this object
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fn parse_request( conn: &DisplayHandle, msg: Message<ObjectId, OwnedFd> ) -> Result<(Self, Self::Request), DispatchError>

Parse a event for this object Read more
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fn write_event<'a>( &self, conn: &DisplayHandle, msg: Self::Event<'a> ) -> Result<Message<ObjectId, BorrowedFd<'a>>, InvalidId>

Serialize an event for this object Read more
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fn client(&self) -> Option<Client>

The client owning this object Read more
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fn is_alive(&self) -> bool

Checks if the Wayland object associated with this proxy is still alive
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fn post_error(&self, code: impl Into<u32>, error: impl Into<String>)

Trigger a protocol error on this object Read more
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fn downgrade(&self) -> Weak<Self>

Creates a weak handle to this object Read more
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impl Eq for ZwpInputMethodContextV1

Auto Trait 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<T> Downcast for Twhere T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for Twhere T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> 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.