well it somewhat works, build using terrible hacks

hui-examples/examples/ui_test_5_input.rs

@@ -41,12 +41,18 @@ ui_main!(
             Text::new("-")
               .add_child(ui);
           })
-          .on_click(CounterSignal::Increment)
+          .on_click(CounterSignal::Decrement)
           .add_child(ui);
+        Container::default()
+          .with_size(size!(20, auto))
+          .with_align(Alignment::Center)
+          .with_children(|ui| {
             Text::new(counter.to_string())
               .with_color(color::BLACK)
               .with_text_size(32)
               .add_child(ui);
+          })
+          .add_child(ui);
         Container::default()
           .with_padding(10.)
           .with_corner_radius(8.)
@@ -55,7 +61,7 @@ ui_main!(
             Text::new("+")
               .add_child(ui);
           })
-          .on_click(CounterSignal::Decrement)
+          .on_click(CounterSignal::Increment)
           .add_child(ui);
       })
       .add_root(ui, size);

hui/src/element.rs

@@ -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: SignalCtx<'a>,
 }
 
 pub trait UiElement {

hui/src/element/builtin/container.rs

@@ -4,11 +4,12 @@ use derive_setters::Setters;
 use glam::{Vec2, vec2};
 use crate::{
   background::BackgroundColor,
-  draw::{RoundedCorners, ImageHandle, UiDrawCommand},
+  draw::{ImageHandle, RoundedCorners, UiDrawCommand},
   element::{ElementList, MeasureContext, ProcessContext, UiElement},
-  layout::{Alignment, Alignment2d, LayoutInfo, Size, Size2d, Direction},
+  layout::{Alignment, Alignment2d, Direction, LayoutInfo, Size, Size2d},
   measure::{Hints, Response},
-  rectangle::{Corners, Sides}
+  rectangle::{Corners, Sides},
+  signal::SignalCtx,
 };
 
 // pub struct Border {
@@ -453,6 +454,9 @@ impl UiElement for Container {
           current_font: ctx.current_font,
           images: ctx.images,
           input: ctx.input,
+          //HACK: i have no idea what to do with this
+          //this sucks
+          signal: SignalCtx(ctx.signal.0),
         });
 
         //layout

hui/src/element/builtin/interactable.rs

@@ -56,7 +56,8 @@ 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() {
-        //ctx.signal.push(sig);
+        //HACK: Fucking whatever
+        ctx.signal.0.add(sig);
       }
     }
 

hui/src/element/builtin/transformer.rs

@@ -57,6 +57,7 @@ impl UiElement for Transformer {
       current_font: ctx.current_font,
       images: ctx.images,
       input: ctx.input,
+      signal: ctx.signal,
     });
     ctx.draw.add(UiDrawCommand::PopTransform);
   }

hui/src/instance.rs

@@ -135,6 +135,7 @@ impl UiInstance {
       current_font: self.text_renderer.current_font(),
       images: self.atlas.context(),
       input: self.input.ctx(),
+      signal: self.signal.ctx(),
     });
   }
 

hui/src/signal.rs

@@ -52,7 +52,7 @@ impl SigIntStore {
   }
 }
 
-pub struct SignalCtx<'a>(&'a mut SigIntStore);
+pub struct SignalCtx<'a>(pub(crate) &'a mut SigIntStore);
 
 impl<'a> SignalCtx<'a> {
   /// Add a signal to the store