83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use crate::prelude::*;
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use iris_macro::widget_trait;
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pub mod eventable {
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use super::*;
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widget_trait! {
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pub trait Eventable;
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fn on<E: Event, Ctx: 'static>(
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self,
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event: E,
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f: impl WidgetEventFn<Ctx, E::Data, WL::Widget>,
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) -> impl WidgetIdFn<WL::Widget> {
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move |ui| {
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let id = self.add(ui);
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ui.register_widget_event(&id, event, f);
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id
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}
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}
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}
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}
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// TODO: naming in here is a bit weird like eventable
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#[macro_export]
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macro_rules! event_ctx {
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($ty: ty) => {
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mod local_event_trait {
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use super::*;
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use std::marker::Sized;
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#[allow(unused_imports)]
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use $crate::prelude::*;
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#[allow(unused)]
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pub trait EventableCtx<W: ?Sized, Tag, Ctx: 'static> {
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fn on<E: Event>(
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self,
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event: E,
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f: impl WidgetEventFn<Ctx, E::Data, W>,
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) -> impl WidgetIdFn<W> + EventableCtx<W, IdFnTag, Ctx>;
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}
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impl<WL: WidgetLike<Tag>, Tag> EventableCtx<WL::Widget, Tag, $ty> for WL {
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fn on<E: Event>(
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self,
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event: E,
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f: impl WidgetEventFn<$ty, E::Data, WL::Widget>,
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) -> impl WidgetIdFn<WL::Widget> + EventableCtx<WL::Widget, IdFnTag, $ty> {
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eventable::Eventable::on(self, event, f)
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}
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}
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#[allow(unused)]
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pub trait EventableCtxUi<W: ?Sized, Tag, Ctx: 'static>
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where
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WidgetRef<W>: EventableCtx<W, Tag, Ctx>,
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{
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fn on<E: Event>(
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&mut self,
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widget: &WidgetRef<W>,
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event: E,
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f: impl WidgetEventFn<Ctx, E::Data, W>,
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);
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}
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impl<W: ?Sized + 'static, Tag> EventableCtxUi<W, Tag, $ty> for Ui
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where
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WidgetRef<W>: EventableCtx<W, Tag, $ty>,
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{
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fn on<E: Event>(
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&mut self,
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widget: &WidgetRef<W>,
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event: E,
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f: impl WidgetEventFn<$ty, E::Data, W>,
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) {
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self.register_widget_event(&widget, event, f);
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}
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}
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}
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use local_event_trait::*;
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};
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}
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pub use event_ctx;
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