94 lines
2.2 KiB
Rust
94 lines
2.2 KiB
Rust
use dioxus_core::Event;
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pub type SelectionEvent = Event<SelectionData>;
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pub struct SelectionData {
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inner: Box<dyn HasSelectionData>,
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}
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impl SelectionData {
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/// Create a new SelectionData
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pub fn new(inner: impl HasSelectionData + '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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/// Downcast this event to a concrete event type
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pub fn downcast<T: 'static>(&self) -> Option<&T> {
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self.inner.as_any().downcast_ref::<T>()
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}
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}
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impl<E: HasSelectionData> From<E> for SelectionData {
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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 std::fmt::Debug for SelectionData {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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f.debug_struct("SelectionData").finish()
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}
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}
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impl PartialEq for SelectionData {
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fn eq(&self, _other: &Self) -> bool {
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true
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}
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}
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#[cfg(feature = "serialize")]
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/// A serialized version of SelectionData
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#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
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pub struct SerializedSelectionData {}
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#[cfg(feature = "serialize")]
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impl From<&SelectionData> for SerializedSelectionData {
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fn from(_: &SelectionData) -> Self {
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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 HasSelectionData for SerializedSelectionData {
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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 SelectionData {
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fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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SerializedSelectionData::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 SelectionData {
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fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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let data = SerializedSelectionData::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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pub trait HasSelectionData: std::any::Any {
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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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SelectionData;
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/// select
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onselect
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/// selectstart
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onselectstart
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/// selectionchange
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onselectionchange
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];
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