110 lines
2.7 KiB
Rust
110 lines
2.7 KiB
Rust
use dioxus_core::Event;
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pub type CompositionEvent = Event<CompositionData>;
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pub struct CompositionData {
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inner: Box<dyn HasCompositionData>,
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}
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impl std::fmt::Debug for CompositionData {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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f.debug_struct("CompositionData")
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.field("data", &self.data())
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.finish()
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}
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}
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impl<E: HasCompositionData> From<E> for CompositionData {
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fn from(e: E) -> Self {
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Self { inner: Box::new(e) }
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}
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}
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impl PartialEq for CompositionData {
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fn eq(&self, other: &Self) -> bool {
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self.data() == other.data()
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}
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}
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impl CompositionData {
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/// Create a new CompositionData
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pub fn new(inner: impl HasCompositionData + 'static) -> Self {
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Self {
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inner: Box::new(inner),
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}
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}
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/// The characters generated by the input method that raised the event
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pub fn data(&self) -> String {
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self.inner.data()
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}
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pub fn downcast<T: 'static>(&self) -> Option<&T> {
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self.inner.as_any().downcast_ref()
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}
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}
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#[cfg(feature = "serialize")]
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/// A serialized version of CompositionData
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#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
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pub struct SerializedCompositionData {
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data: String,
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}
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#[cfg(feature = "serialize")]
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impl From<&CompositionData> for SerializedCompositionData {
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fn from(data: &CompositionData) -> Self {
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Self { data: data.data() }
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}
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}
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#[cfg(feature = "serialize")]
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impl HasCompositionData for SerializedCompositionData {
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fn data(&self) -> String {
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self.data.clone()
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}
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fn as_any(&self) -> &dyn std::any::Any {
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self
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}
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}
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#[cfg(feature = "serialize")]
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impl serde::Serialize for CompositionData {
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fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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SerializedCompositionData::from(self).serialize(serializer)
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}
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}
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#[cfg(feature = "serialize")]
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impl<'de> serde::Deserialize<'de> for CompositionData {
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fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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let data = SerializedCompositionData::deserialize(deserializer)?;
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Ok(Self {
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inner: Box::new(data),
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})
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}
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}
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/// A trait for any object that has the data for a composition event
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pub trait HasCompositionData: std::any::Any {
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/// The characters generated by the input method that raised the event
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fn data(&self) -> String;
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/// return self as Any
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fn as_any(&self) -> &dyn std::any::Any;
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}
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impl_event! [
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CompositionData;
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/// oncompositionstart
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oncompositionstart
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/// oncompositionend
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oncompositionend
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/// oncompositionupdate
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oncompositionupdate
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];
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