somewhat less hacky...

hui/src/element.rs

@@ -6,7 +6,7 @@ use crate::{
   input::InputCtx,
   layout::LayoutInfo,
   measure::Response,
-  signal::SignalCtx,
+  signal::SignalStore,
   state::StateRepo,
   text::{FontHandle, TextMeasure},
   UiInstance,
@@ -36,7 +36,7 @@ pub struct ProcessContext<'a> {
   pub current_font: FontHandle,
   pub images: ImageCtx<'a>,
   pub input: InputCtx<'a>,
-  pub signal: SignalCtx<'a>,
+  pub signal: &'a mut SignalStore,
 }
 
 pub trait UiElement {

hui/src/element/builtin/container.rs

@@ -9,7 +9,6 @@ use crate::{
   layout::{Alignment, Alignment2d, Direction, LayoutInfo, Size, Size2d},
   measure::{Hints, Response},
   rectangle::{Corners, Sides},
-  signal::SignalCtx,
 };
 
 // pub struct Border {
@@ -456,7 +455,7 @@ impl UiElement for Container {
           input: ctx.input,
           //HACK: i have no idea what to do with this
           //this sucks
-          signal: SignalCtx(ctx.signal.0),
+          signal: ctx.signal,
         });
 
         //layout

hui/src/element/builtin/interactable.rs

@@ -56,8 +56,7 @@ impl<C: UiSignal + 'static> UiElement for Interactable<C> {
     //XXX: should we do this AFTER normal process call of wrapped element?
     if ctx.input.check_click(rect) {
       if let Some(sig) = self.signal.take() {
-        //HACK: Fucking whatever
-        ctx.signal.0.add(sig);
+        ctx.signal.add(sig);
       }
     }
 

hui/src/instance.rs

@@ -8,7 +8,7 @@ use crate::{
   event::{EventQueue, UiEvent},
   input::UiInputState,
   layout::{Direction, LayoutInfo},
-  signal::{SigIntStore, UiSignal},
+  signal::{SignalStore, UiSignal},
   state::StateRepo,
   text::{FontHandle, TextRenderer}
 };
@@ -29,7 +29,7 @@ pub struct UiInstance {
   atlas: TextureAtlasManager,
   events: EventQueue,
   input: UiInputState,
-  signal: SigIntStore,
+  signal: SignalStore,
   //True if in the middle of a laying out a frame
   state: bool,
 }
@@ -57,7 +57,7 @@ impl UiInstance {
       },
       events: EventQueue::new(),
       input: UiInputState::new(),
-      signal: SigIntStore::new(),
+      signal: SignalStore::new(),
       state: false,
     }
   }
@@ -135,7 +135,7 @@ impl UiInstance {
       current_font: self.text_renderer.current_font(),
       images: self.atlas.context(),
       input: self.input.ctx(),
-      signal: self.signal.ctx(),
+      signal: &mut self.signal,
     });
   }
 

hui/src/signal.rs

@@ -5,18 +5,18 @@ use nohash_hasher::BuildNoHashHasher;
 /// A marker trait for signals
 pub trait UiSignal: Any {}
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Default)]
-pub(crate) struct DummySignal;
-impl UiSignal for DummySignal {}
+// #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Default)]
+// pub(crate) struct DummySignal;
+// impl UiSignal for DummySignal {}
 
-pub(crate) struct SigIntStore {
+pub struct SignalStore {
   ///XXX: is this truly the most efficient structure?
   sig: HashMap<TypeId, Vec<Box<dyn Any>>, BuildNoHashHasher<u64>>
 }
 
-impl SigIntStore {
+impl SignalStore {
   /// Create a new [`SigIntStore`]
-  pub fn new() -> Self {
+  pub(crate) fn new() -> Self {
     Self {
       sig: Default::default(),
     }
@@ -41,22 +41,9 @@ impl SigIntStore {
   }
 
   /// Drain all signals of a given type
-  pub fn drain<T: UiSignal + 'static>(&mut self) -> impl Iterator<Item = T> + '_ {
+  pub(crate) fn drain<T: UiSignal + 'static>(&mut self) -> impl Iterator<Item = T> + '_ {
     self.internal_store::<T>()
       .drain(..)
       .map(|x| *x.downcast::<T>().unwrap()) //unchecked?
   }
-
-  pub fn ctx(&mut self) -> SignalCtx {
-    SignalCtx(self)
-  }
-}
-
-pub struct SignalCtx<'a>(pub(crate) &'a mut SigIntStore);
-
-impl<'a> SignalCtx<'a> {
-  /// Add a signal to the store
-  pub fn push<T: UiSignal + 'static>(&mut self, sig: T) {
-    self.0.add(sig);
-  }
 }