finished moving out render_state

src/default/sense.rs

@@ -26,9 +26,9 @@ pub enum CursorSense {
 pub struct CursorSenses(Vec<CursorSense>);
 
 impl Event for CursorSenses {
-    type Data = CursorData;
+    type Data<'a> = CursorData<'a>;
     type State = SensorState;
-    fn should_run(&self, data: &Self::Data) -> Option<Self::Data> {
+    fn should_run<'a>(&self, data: &Self::Data<'a>) -> Option<Self::Data<'a>> {
         if let Some(sense) = should_run(self, &data.cursor, data.hover) {
             let mut data = data.clone();
             data.sense = sense;
@@ -129,7 +129,7 @@ pub struct SensorState {
 }
 
 #[derive(Clone)]
-pub struct CursorData {
+pub struct CursorData<'a> {
     /// where this widget was hit
     pub pos: Vec2,
     pub size: Vec2,
@@ -138,20 +138,36 @@ pub struct CursorData {
     pub cursor: CursorState,
     /// the first sense that triggered this
     pub sense: CursorSense,
+    pub render: &'a UiRenderState,
 }
 
-pub trait SensorUi<Rsc: HasEvents> {
-    fn run_sensors(&mut self, state: &mut Rsc::State, cursor: CursorState, window_size: Vec2);
+pub trait SensorUi {
+    fn run_sensors<Rsc: HasEvents>(
+        &self,
+        rsc: &mut Rsc,
+        state: &mut Rsc::State,
+        cursor: CursorState,
+        window_size: Vec2,
+    );
 }
 
-impl<Rsc: HasEvents> SensorUi<Rsc> for Rsc {
-    fn run_sensors(&mut self, state: &mut Rsc::State, cursor: CursorState, window_size: Vec2) {
-        let layers = std::mem::take(&mut self.ui_mut().layers);
-        let mut active = std::mem::take(&mut self.events_mut().get_type::<CursorSense>().active);
-        for layer in layers.indices().rev() {
+impl SensorUi for UiRenderState {
+    fn run_sensors<Rsc: HasEvents>(
+        &self,
+        rsc: &mut Rsc,
+        state: &mut Rsc::State,
+        cursor: CursorState,
+        window_size: Vec2,
+    ) {
+        // in order to remove this take, need to store active list in UiRenderState somehow
+        // this would probably be done through a generic parameter that adds yet another rsc /
+        // state like thing, but local to render state, and is passed to UiRsc events so you can
+        // update it there?
+        let mut active = std::mem::take(&mut rsc.events_mut().get_type::<CursorSense>().active);
+        for layer in self.layers.indices().rev() {
             let mut sensed = false;
             for (id, sensor) in active.get_mut(&layer).into_flat_iter() {
-                let shape = self.ui().active.get(id).unwrap().region;
+                let shape = self.active.get(id).unwrap().region;
                 let region = shape.to_px(window_size);
                 let in_shape = cursor.exists && region.contains(cursor.pos);
                 sensor.hover.update(in_shape);
@@ -171,15 +187,15 @@ impl<Rsc: HasEvents> SensorUi<Rsc> for Rsc {
                     // this does not have any meaning;
                     // might wanna set up Event to have a prepare stage
                     sense: CursorSense::Hovering,
+                    render: self,
                 };
-                self.run_event::<CursorSense>(*id, data, state);
+                rsc.run_event::<CursorSense>(*id, data, state);
             }
             if sensed {
                 break;
             }
         }
-        self.events_mut().get_type::<CursorSense>().active = active;
-        self.ui_mut().layers = layers;
+        rsc.events_mut().get_type::<CursorSense>().active = active;
     }
 }