tests passing, and tui updated

packages/native-core-macro/src/lib.rs

@@ -105,8 +105,8 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
 
     let gen = quote! {
         impl State for #type_name{
-            fn update_node_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: Option<&'a dioxus_core::VElement<'a>>, ctx: &anymap::AnyMap) -> bool{
-                use dioxus_native_core::real_dom_new_api::NodeDepState as _;
+            fn update_node_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: &'a dioxus_core::VNode<'a>, ctx: &anymap::AnyMap) -> bool{
+                use dioxus_native_core::state::NodeDepState as _;
                 // println!("called update_node_dep_state with ty: {:?}", ty);
                 if false {
                     unreachable!();
@@ -117,8 +117,8 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
                 }
             }
 
-            fn update_parent_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: Option<&'a dioxus_core::VElement<'a>>, parent: Option<&Self>, ctx: &anymap::AnyMap) -> bool{
-                use dioxus_native_core::real_dom_new_api::ParentDepState as _;
+            fn update_parent_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: &'a dioxus_core::VNode<'a>, parent: Option<&Self>, ctx: &anymap::AnyMap) -> bool{
+                use dioxus_native_core::state::ParentDepState as _;
                 // println!("called update_parent_dep_state with ty: {:?}", ty);
                 if false {
                     unreachable!();
@@ -129,8 +129,8 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
                 }
             }
 
-            fn update_child_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: Option<&'a dioxus_core::VElement<'a>>, children: &[&Self], ctx: &anymap::AnyMap) -> bool{
-                use dioxus_native_core::real_dom_new_api::ChildDepState as _;
+            fn update_child_dep_state<'a>(&'a mut self, ty: std::any::TypeId, node: &'a dioxus_core::VNode<'a>, children: &[&Self], ctx: &anymap::AnyMap) -> bool{
+                use dioxus_native_core::state::ChildDepState as _;
                 // println!("called update_child_dep_state with ty: {:?}", ty);
                 if false {
                     unreachable!()
@@ -141,7 +141,7 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
                 }
             }
 
-            fn child_dep_types(&self, mask: &dioxus_native_core::real_dom_new_api::NodeMask) -> Vec<std::any::TypeId>{
+            fn child_dep_types(&self, mask: &dioxus_native_core::state::NodeMask) -> Vec<std::any::TypeId>{
                 let mut dep_types = Vec::new();
                 #(if #child_types::NODE_MASK.overlaps(mask) {
                     dep_types.push(std::any::TypeId::of::<#child_types>());
@@ -149,7 +149,7 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
                 dep_types
             }
 
-            fn parent_dep_types(&self, mask: &dioxus_native_core::real_dom_new_api::NodeMask) -> Vec<std::any::TypeId>{
+            fn parent_dep_types(&self, mask: &dioxus_native_core::state::NodeMask) -> Vec<std::any::TypeId>{
                 let mut dep_types = Vec::new();
                 #(if #parent_types::NODE_MASK.overlaps(mask) {
                     dep_types.push(std::any::TypeId::of::<#parent_types>());
@@ -157,7 +157,7 @@ fn impl_derive_macro(ast: &syn::DeriveInput) -> TokenStream {
                 dep_types
             }
 
-            fn node_dep_types(&self, mask: &dioxus_native_core::real_dom_new_api::NodeMask) -> Vec<std::any::TypeId>{
+            fn node_dep_types(&self, mask: &dioxus_native_core::state::NodeMask) -> Vec<std::any::TypeId>{
                 let mut dep_types = Vec::new();
                 #(if #node_types::NODE_MASK.overlaps(mask) {
                     dep_types.push(std::any::TypeId::of::<#node_types>());
@@ -314,7 +314,7 @@ impl<'a> StateMember<'a> {
                     quote!(self.#ident.reduce(#node_view, #get_ctx))
                 }
                 DepKind::ChildDepState => {
-                    quote!(self.#ident.reduce(#node_view, children.iter().map(|s| &s.#dep_ident).collect(), #get_ctx))
+                    quote!(self.#ident.reduce(#node_view, children.iter().map(|s| &s.#dep_ident), #get_ctx))
                 }
                 DepKind::ParentDepState => {
                     quote!(self.#ident.reduce(#node_view, parent.as_ref().map(|p| &p.#dep_ident), #get_ctx))
@@ -337,10 +337,8 @@ impl<'a> StateMember<'a> {
 
     fn type_id(&self) -> quote::__private::TokenStream {
         let ty = &self.mem.ty;
-        // quote!(std::any::TypeId::of::<#ty>())
         quote!({
             let type_id = std::any::TypeId::of::<#ty>();
-            // println!("{:?}", type_id);
             type_id
         })
     }

packages/native-core/src/lib.rs

@@ -1,4 +1,4 @@
 pub mod layout_attributes;
 pub mod real_dom;
-pub mod real_dom_new_api;
+pub mod state;
 pub use dioxus_native_core_macro;

packages/native-core/src/real_dom.rs

@@ -8,7 +8,7 @@ use std::{
 
 use dioxus_core::{ElementId, Mutations, VNode, VirtualDom};
 
-use crate::real_dom_new_api::{AttributeMask, NodeMask, State};
+use crate::state::{union_ordered_iter, AttributeMask, NodeMask, State};
 
 /// A Dom that can sync with the VirtualDom mutations intended for use in lazy renderers.
 /// The render state passes from parent to children and or accumulates state from children to parents.
@@ -166,7 +166,10 @@ impl<S: State> RealDom<S> {
                         text: new_text,
                     } => {
                         let target = &mut self[root as usize];
-                        nodes_updated.push((root as usize, NodeMask::NONE));
+                        nodes_updated.push((
+                            root as usize,
+                            NodeMask::new(AttributeMask::NONE, false, false, true),
+                        ));
                         match &mut target.node_type {
                             NodeType::Text { text } => {
                                 *text = new_text.to_string();
@@ -177,7 +180,7 @@ impl<S: State> RealDom<S> {
                     SetAttribute { root, field, .. } => {
                         nodes_updated.push((
                             root as usize,
-                            NodeMask::new(AttributeMask::single(field), false, false),
+                            NodeMask::new(AttributeMask::single(field), false, false, false),
                         ));
                     }
                     RemoveAttribute {
@@ -185,7 +188,7 @@ impl<S: State> RealDom<S> {
                     } => {
                         nodes_updated.push((
                             root as usize,
-                            NodeMask::new(AttributeMask::single(field), false, false),
+                            NodeMask::new(AttributeMask::single(field), false, false, false),
                         ));
                     }
                     PopRoot {} => {
@@ -210,65 +213,122 @@ impl<S: State> RealDom<S> {
             All,
             Some(Vec<TypeId>),
         }
+        impl StatesToCheck {
+            fn union(&self, other: &Self) -> Self {
+                match (self, other) {
+                    (Self::Some(s), Self::Some(o)) => Self::Some(union_ordered_iter(
+                        s.iter().copied(),
+                        o.iter().copied(),
+                        s.len() + o.len(),
+                    )),
+                    _ => Self::All,
+                }
+            }
+        }
+
+        #[derive(Debug, Clone)]
+        struct NodeRef {
+            id: usize,
+            height: u16,
+            node_mask: NodeMask,
+            to_check: StatesToCheck,
+        }
+        impl NodeRef {
+            fn union_with(&mut self, other: &Self) {
+                self.node_mask = self.node_mask.union(&other.node_mask);
+                self.to_check = self.to_check.union(&other.to_check);
+            }
+        }
+        impl Eq for NodeRef {}
+        impl PartialEq for NodeRef {
+            fn eq(&self, other: &Self) -> bool {
+                self.id == other.id && self.height == other.height
+            }
+        }
+        impl Ord for NodeRef {
+            fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+                self.partial_cmp(other).unwrap()
+            }
+        }
+        impl PartialOrd for NodeRef {
+            fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+                // Sort nodes first by height, then if the height is the same id.
+                // The order of the id does not matter it just helps with binary search later
+                Some(self.height.cmp(&other.height).then(self.id.cmp(&other.id)))
+            }
+        }
 
         let mut to_rerender = FxHashSet::default();
         to_rerender.extend(nodes_updated.iter().map(|(id, _)| id));
         let mut nodes_updated: Vec<_> = nodes_updated
             .into_iter()
-            .map(|(id, mask)| (id, self[id].height, mask, StatesToCheck::All))
+            .map(|(id, mask)| NodeRef {
+                id,
+                height: self[id].height,
+                node_mask: mask,
+                to_check: StatesToCheck::All,
+            })
             .collect();
-        // Sort nodes first by height, then if the height is the same id.
-        nodes_updated.sort_by(|fst, snd| fst.1.cmp(&snd.1).then(fst.0.cmp(&snd.0)));
-        {
-            // Combine mutations that affect the same node.
-            let current_key = None;
-            for i in 0..nodes_updated.len() {
-                let current = nodes_updated;
+        nodes_updated.sort();
+
+        // Combine mutations that affect the same node.
+        let mut last_node: Option<NodeRef> = None;
+        let mut new_nodes_updated = VecDeque::new();
+        for current in nodes_updated.into_iter() {
+            if let Some(node) = &mut last_node {
+                if *node == current {
+                    node.union_with(&current);
+                } else {
+                    new_nodes_updated.push_back(last_node.replace(current).unwrap());
+                }
+            } else {
+                last_node = Some(current);
             }
         }
-        println!("{:?}", nodes_updated);
+        if let Some(node) = last_node {
+            new_nodes_updated.push_back(node);
+        }
+        let nodes_updated = new_nodes_updated;
 
         // update the state that only depends on nodes. The order does not matter.
-        for (id, _height, mask, to_check) in &nodes_updated {
+        for node_ref in &nodes_updated {
             let mut changed = false;
-            let node = &mut self[*id as usize];
-            let ids = match to_check {
-                StatesToCheck::All => node.state.node_dep_types(&mask),
+            let node = &mut self[node_ref.id];
+            let ids = match &node_ref.to_check {
+                StatesToCheck::All => node.state.node_dep_types(&node_ref.node_mask),
                 StatesToCheck::Some(_) => unreachable!(),
             };
             for ty in ids {
-                let node = &mut self[*id as usize];
-                let el = if let &VNode::Element(e) = node.element(vdom) {
-                    Some(e)
-                } else {
-                    None
-                };
-                changed |= node.state.update_node_dep_state(ty, el, &ctx);
+                let node = &mut self[node_ref.id];
+                let vnode = node.element(vdom);
+                changed |= node.state.update_node_dep_state(ty, vnode, &ctx);
             }
             if changed {
-                to_rerender.insert(*id);
+                to_rerender.insert(node_ref.id);
             }
         }
 
         // bubble up state. To avoid calling reduce more times than nessisary start from the bottom and go up.
-        let mut to_bubble: VecDeque<_> = nodes_updated.clone().into();
-        while let Some((id, height, mask, to_check)) = to_bubble.pop_back() {
+        let mut to_bubble = nodes_updated.clone();
+        while let Some(node_ref) = to_bubble.pop_back() {
+            let NodeRef {
+                id,
+                height,
+                node_mask,
+                to_check,
+            } = node_ref;
             let (node, children) = self.get_node_children_mut(id).unwrap();
             let children_state: Vec<_> = children.iter().map(|c| &c.state).collect();
             let ids = match to_check {
-                StatesToCheck::All => node.state.child_dep_types(&mask),
+                StatesToCheck::All => node.state.child_dep_types(&node_mask),
                 StatesToCheck::Some(ids) => ids,
             };
             let mut changed = Vec::new();
             for ty in ids {
-                let el = if let &VNode::Element(e) = node.element(vdom) {
-                    Some(e)
-                } else {
-                    None
-                };
+                let vnode = node.element(vdom);
                 if node
                     .state
-                    .update_child_dep_state(ty, el, &children_state, &ctx)
+                    .update_child_dep_state(ty, vnode, &children_state, &ctx)
                 {
                     changed.push(ty);
                 }
@@ -276,19 +336,28 @@ impl<S: State> RealDom<S> {
             if let Some(parent_id) = node.parent {
                 if !changed.is_empty() {
                     to_rerender.insert(id);
-                    let i = to_bubble.partition_point(|(other_id, h, ..)| {
-                        *h < height - 1 || (*h == height - 1 && *other_id < parent_id.0)
-                    });
+                    let i = to_bubble.partition_point(
+                        |NodeRef {
+                             id: other_id,
+                             height: h,
+                             ..
+                         }| {
+                            *h < height - 1 || (*h == height - 1 && *other_id < parent_id.0)
+                        },
+                    );
                     // make sure the parent is not already queued
-                    if i >= to_bubble.len() || to_bubble[i].0 != parent_id.0 {
+                    if i < to_bubble.len() && to_bubble[i].id == parent_id.0 {
+                        to_bubble[i].to_check =
+                            to_bubble[i].to_check.union(&StatesToCheck::Some(changed));
+                    } else {
                         to_bubble.insert(
                             i,
-                            (
-                                parent_id.0,
-                                height - 1,
-                                NodeMask::NONE,
-                                StatesToCheck::Some(changed),
-                            ),
+                            NodeRef {
+                                id: parent_id.0,
+                                height: height - 1,
+                                node_mask: NodeMask::NONE,
+                                to_check: StatesToCheck::Some(changed),
+                            },
                         );
                     }
                 }
@@ -296,26 +365,28 @@ impl<S: State> RealDom<S> {
         }
 
         // push down state. To avoid calling reduce more times than nessisary start from the top and go down.
-        let mut to_push: VecDeque<_> = nodes_updated.clone().into();
-        while let Some((id, height, mask, to_check)) = to_push.pop_front() {
+        let mut to_push = nodes_updated.clone();
+        while let Some(node_ref) = to_push.pop_front() {
+            let NodeRef {
+                id,
+                height,
+                node_mask,
+                to_check,
+            } = node_ref;
             let node = &self[id];
             let ids = match to_check {
-                StatesToCheck::All => node.state.parent_dep_types(&mask),
+                StatesToCheck::All => node.state.parent_dep_types(&node_mask),
                 StatesToCheck::Some(ids) => ids,
             };
             let mut changed = Vec::new();
             let (node, parent) = self.get_node_parent_mut(id).unwrap();
             for ty in ids {
-                let el = if let &VNode::Element(e) = node.element(vdom) {
-                    Some(e)
-                } else {
-                    None
-                };
+                let vnode = node.element(vdom);
                 let parent = parent.as_deref();
                 let state = &mut node.state;
                 if state.update_parent_dep_state(
                     ty,
-                    el,
+                    vnode,
                     parent.filter(|n| n.id.0 != 0).map(|n| &n.state),
                     &ctx,
                 ) {
@@ -328,18 +399,28 @@ impl<S: State> RealDom<S> {
                 let node = &self[id];
                 if let NodeType::Element { children, .. } = &node.node_type {
                     for c in children {
-                        let i = to_push.partition_point(|(other_id, h, ..)| {
-                            *h < height + 1 || (*h == height + 1 && *other_id < c.0)
-                        });
-                        if i >= to_push.len() || to_push[i].0 != c.0 {
+                        let i = to_push.partition_point(
+                            |NodeRef {
+                                 id: other_id,
+                                 height: h,
+                                 ..
+                             }| {
+                                *h < height + 1 || (*h == height + 1 && *other_id < c.0)
+                            },
+                        );
+                        if i < to_push.len() && to_push[i].id == c.0 {
+                            to_push[i].to_check = to_push[i]
+                                .to_check
+                                .union(&StatesToCheck::Some(changed.clone()));
+                        } else {
                             to_push.insert(
                                 i,
-                                (
-                                    c.0,
-                                    height + 1,
-                                    NodeMask::NONE,
-                                    StatesToCheck::Some(changed.clone()),
-                                ),
+                                NodeRef {
+                                    id: c.0,
+                                    height: height + 1,
+                                    node_mask: NodeMask::NONE,
+                                    to_check: StatesToCheck::Some(changed.clone()),
+                                },
                             );
                         }
                     }

packages/native-core/src/real_dom_new_api.rs → packages/native-core/src/state.rs

@@ -1,43 +1,96 @@
-use std::any::TypeId;
+use std::{any::TypeId, fmt::Debug};
 
 use anymap::AnyMap;
-use dioxus_core::{Attribute, VElement};
+use dioxus_core::{Attribute, ElementId, VElement, VNode, VText};
+
+pub(crate) fn union_ordered_iter<T: Ord + Debug>(
+    s_iter: impl Iterator<Item = T>,
+    o_iter: impl Iterator<Item = T>,
+    new_len_guess: usize,
+) -> Vec<T> {
+    let mut s_peekable = s_iter.peekable();
+    let mut o_peekable = o_iter.peekable();
+    let mut v = Vec::with_capacity(new_len_guess);
+    while let Some(s_i) = s_peekable.peek() {
+        loop {
+            if let Some(o_i) = o_peekable.peek() {
+                if o_i > s_i {
+                    break;
+                } else if o_i < s_i {
+                    v.push(o_peekable.next().unwrap());
+                }
+            } else {
+                break;
+            }
+        }
+        v.push(s_peekable.next().unwrap());
+    }
+    while let Some(o_i) = o_peekable.next() {
+        v.push(o_i);
+    }
+    for w in v.windows(2) {
+        debug_assert!(w[1] > w[0]);
+    }
+    v
+}
 
 #[derive(Debug)]
 pub struct NodeView<'a> {
-    inner: Option<&'a VElement<'a>>,
-    view: NodeMask,
+    inner: &'a VNode<'a>,
+    mask: NodeMask,
 }
 impl<'a> NodeView<'a> {
-    pub fn new(velement: Option<&'a VElement<'a>>, view: NodeMask) -> Self {
+    pub fn new(vnode: &'a VNode<'a>, view: NodeMask) -> Self {
         Self {
-            inner: velement,
-            view: view,
+            inner: vnode,
+            mask: view,
         }
     }
 
+    pub fn id(&self) -> ElementId {
+        self.inner.mounted_id()
+    }
+
     pub fn tag(&self) -> Option<&'a str> {
-        if self.view.tag {
-            self.inner.map(|el| el.tag)
-        } else {
-            None
-        }
+        self.mask.tag.then(|| self.el().map(|el| el.tag)).flatten()
     }
 
     pub fn namespace(&self) -> Option<&'a str> {
-        if self.view.namespace {
-            self.inner.map(|el| el.namespace).flatten()
-        } else {
-            None
-        }
+        self.mask
+            .namespace
+            .then(|| self.el().map(|el| el.namespace).flatten())
+            .flatten()
     }
 
     pub fn attributes(&self) -> impl Iterator<Item = &Attribute<'a>> {
-        self.inner
+        self.el()
             .map(|el| el.attributes)
             .unwrap_or_default()
             .iter()
-            .filter(|a| self.view.attritutes.contains_attribute(&a.name))
+            .filter(|a| self.mask.attritutes.contains_attribute(&a.name))
+    }
+
+    pub fn text(&self) -> Option<&str> {
+        self.mask
+            .text
+            .then(|| self.txt().map(|txt| txt.text))
+            .flatten()
+    }
+
+    fn el(&self) -> Option<&'a VElement<'a>> {
+        if let VNode::Element(el) = &self.inner {
+            Some(el)
+        } else {
+            None
+        }
+    }
+
+    fn txt(&self) -> Option<&'a VText<'a>> {
+        if let VNode::Text(txt) = &self.inner {
+            Some(txt)
+        } else {
+            None
+        }
     }
 }
 
@@ -54,8 +107,8 @@ impl AttributeMask {
     fn contains_attribute(&self, attr: &'static str) -> bool {
         match self {
             AttributeMask::All => true,
-            AttributeMask::Dynamic(l) => l.contains(&attr),
-            AttributeMask::Static(l) => l.contains(&attr),
+            AttributeMask::Dynamic(l) => l.binary_search(&attr).is_ok(),
+            AttributeMask::Static(l) => l.binary_search(&attr).is_ok(),
         }
     }
 
@@ -78,46 +131,19 @@ impl AttributeMask {
     }
 
     pub fn union(&self, other: &Self) -> Self {
-        pub fn union_iter(
-            s_iter: impl Iterator<Item = &'static str>,
-            o_iter: impl Iterator<Item = &'static str>,
-        ) -> Vec<&'static str> {
-            let mut s_peekable = s_iter.peekable();
-            let mut o_peekable = o_iter.peekable();
-            let mut v = Vec::new();
-            while let Some(s_i) = s_peekable.peek() {
-                loop {
-                    if let Some(o_i) = o_peekable.peek() {
-                        if o_i > s_i {
-                            break;
-                        } else {
-                            v.push(o_peekable.next().unwrap());
-                        }
-                    } else {
-                        break;
-                    }
-                }
-                v.push(s_peekable.next().unwrap());
-            }
-            while let Some(o_i) = o_peekable.next() {
-                v.push(o_i);
-            }
-            v
-        }
-
         let new = match (self, other) {
-            (AttributeMask::Dynamic(s), AttributeMask::Dynamic(o)) => {
-                AttributeMask::Dynamic(union_iter(s.iter().copied(), o.iter().copied()))
-            }
-            (AttributeMask::Static(s), AttributeMask::Dynamic(o)) => {
-                AttributeMask::Dynamic(union_iter(s.iter().copied(), o.iter().copied()))
-            }
-            (AttributeMask::Dynamic(s), AttributeMask::Static(o)) => {
-                AttributeMask::Dynamic(union_iter(s.iter().copied(), o.iter().copied()))
-            }
-            (AttributeMask::Static(s), AttributeMask::Static(o)) => {
-                AttributeMask::Dynamic(union_iter(s.iter().copied(), o.iter().copied()))
-            }
+            (AttributeMask::Dynamic(s), AttributeMask::Dynamic(o)) => AttributeMask::Dynamic(
+                union_ordered_iter(s.iter().copied(), o.iter().copied(), s.len() + o.len()),
+            ),
+            (AttributeMask::Static(s), AttributeMask::Dynamic(o)) => AttributeMask::Dynamic(
+                union_ordered_iter(s.iter().copied(), o.iter().copied(), s.len() + o.len()),
+            ),
+            (AttributeMask::Dynamic(s), AttributeMask::Static(o)) => AttributeMask::Dynamic(
+                union_ordered_iter(s.iter().copied(), o.iter().copied(), s.len() + o.len()),
+            ),
+            (AttributeMask::Static(s), AttributeMask::Static(o)) => AttributeMask::Dynamic(
+                union_ordered_iter(s.iter().copied(), o.iter().copied(), s.len() + o.len()),
+            ),
             _ => AttributeMask::All,
         };
         new.verify();
@@ -179,29 +205,37 @@ pub struct NodeMask {
     attritutes: AttributeMask,
     tag: bool,
     namespace: bool,
+    text: bool,
 }
 
 impl NodeMask {
-    pub const NONE: Self = Self::new(AttributeMask::Static(&[]), false, false);
-    pub const ALL: Self = Self::new(AttributeMask::All, true, true);
+    pub const NONE: Self = Self::new(AttributeMask::Static(&[]), false, false, false);
+    pub const ALL: Self = Self::new(AttributeMask::All, true, true, true);
 
     /// attritutes must be sorted!
-    pub const fn new(attritutes: AttributeMask, tag: bool, namespace: bool) -> Self {
+    pub const fn new(attritutes: AttributeMask, tag: bool, namespace: bool, text: bool) -> Self {
         Self {
             attritutes,
             tag,
             namespace,
+            text,
         }
     }
 
     pub fn overlaps(&self, other: &Self) -> bool {
         (self.tag && other.tag)
             || (self.namespace && other.namespace)
-            || self.attritutes_overlap(other)
+            || self.attritutes.overlaps(&other.attritutes)
+            || (self.text && other.text)
     }
 
-    fn attritutes_overlap(&self, other: &Self) -> bool {
-        self.attritutes.overlaps(&other.attritutes)
+    pub fn union(&self, other: &Self) -> Self {
+        Self {
+            attritutes: self.attritutes.union(&other.attritutes),
+            tag: self.tag | other.tag,
+            namespace: self.namespace | other.namespace,
+            text: self.text | other.text,
+        }
     }
 }
 
@@ -213,8 +247,15 @@ pub trait ChildDepState {
     /// This is sometimes nessisary for lifetime purposes.
     type Ctx;
     type DepState: ChildDepState;
-    const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::NONE, false, false);
-    fn reduce(&mut self, node: NodeView, children: Vec<&Self::DepState>, ctx: &Self::Ctx) -> bool;
+    const NODE_MASK: NodeMask = NodeMask::NONE;
+    fn reduce<'a>(
+        &mut self,
+        node: NodeView,
+        children: impl Iterator<Item = &'a Self::DepState>,
+        ctx: &Self::Ctx,
+    ) -> bool
+    where
+        Self::DepState: 'a;
 }
 
 /// This state that is passed down to children. For example text properties (`<b>` `<i>` `<u>`) would be passed to children.
@@ -225,7 +266,7 @@ pub trait ParentDepState {
     /// This is sometimes nessisary for lifetime purposes.
     type Ctx;
     type DepState: ParentDepState;
-    const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::NONE, false, false);
+    const NODE_MASK: NodeMask = NodeMask::NONE;
     fn reduce(&mut self, node: NodeView, parent: Option<&Self::DepState>, ctx: &Self::Ctx) -> bool;
 }
 
@@ -234,7 +275,7 @@ pub trait ParentDepState {
 /// Called at most once per update.
 pub trait NodeDepState {
     type Ctx;
-    const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::NONE, false, false);
+    const NODE_MASK: NodeMask = NodeMask::NONE;
     fn reduce(&mut self, node: NodeView, ctx: &Self::Ctx) -> bool;
 }
 
@@ -242,7 +283,7 @@ pub trait State: Default + Clone {
     fn update_node_dep_state<'a>(
         &'a mut self,
         ty: TypeId,
-        node: Option<&'a VElement<'a>>,
+        node: &'a VNode<'a>,
         ctx: &AnyMap,
     ) -> bool;
     /// This must be a valid resolution order. (no nodes updated before a state they rely on)
@@ -251,7 +292,7 @@ pub trait State: Default + Clone {
     fn update_parent_dep_state<'a>(
         &'a mut self,
         ty: TypeId,
-        node: Option<&'a VElement<'a>>,
+        node: &'a VNode<'a>,
         parent: Option<&Self>,
         ctx: &AnyMap,
     ) -> bool;
@@ -261,7 +302,7 @@ pub trait State: Default + Clone {
     fn update_child_dep_state<'a>(
         &'a mut self,
         ty: TypeId,
-        node: Option<&'a VElement<'a>>,
+        node: &'a VNode<'a>,
         children: &[&Self],
         ctx: &AnyMap,
     ) -> bool;

packages/native-core/tests/change_nodes.rs

@@ -3,7 +3,7 @@ use dioxus_core::*;
 use dioxus_core_macro::*;
 use dioxus_html as dioxus_elements;
 use dioxus_native_core::real_dom::RealDom;
-use dioxus_native_core::real_dom_new_api::State;
+use dioxus_native_core::state::State;
 use dioxus_native_core_macro::State;
 use std::cell::Cell;
 

packages/native-core/tests/initial_build.rs

@@ -5,7 +5,7 @@ use dioxus_core::*;
 use dioxus_core_macro::*;
 use dioxus_html as dioxus_elements;
 use dioxus_native_core::real_dom::RealDom;
-use dioxus_native_core::real_dom_new_api::State;
+use dioxus_native_core::state::State;
 use dioxus_native_core_macro::State;
 
 #[derive(State, Default, Clone)]

packages/native-core/tests/parse.rs

@@ -1,4 +1,4 @@
-use dioxus_native_core::real_dom_new_api::*;
+use dioxus_native_core::state::*;
 use dioxus_native_core_macro::*;
 
 #[derive(State, Default, Clone)]
@@ -20,7 +20,7 @@ struct Z {
 //     z: C,
 // }
 
-use dioxus_native_core::real_dom_new_api::NodeDepState;
+use dioxus_native_core::state::NodeDepState;
 
 #[derive(Default, Clone)]
 struct A;
@@ -36,12 +36,15 @@ struct B;
 impl ChildDepState for B {
     type Ctx = i32;
     type DepState = Self;
-    fn reduce(
+    fn reduce<'a>(
         &mut self,
-        _: dioxus_native_core::real_dom_new_api::NodeView,
-        _: Vec<&Self::DepState>,
+        _: dioxus_native_core::state::NodeView,
+        _: impl Iterator<Item = &'a Self::DepState>,
         _: &i32,
-    ) -> bool {
+    ) -> bool
+    where
+        Self::DepState: 'a,
+    {
         todo!()
     }
 }
@@ -53,7 +56,7 @@ impl ParentDepState for C {
     type DepState = Self;
     fn reduce(
         &mut self,
-        _: dioxus_native_core::real_dom_new_api::NodeView,
+        _: dioxus_native_core::state::NodeView,
         _: Option<&Self::DepState>,
         _: &u8,
     ) -> bool {

packages/native-core/tests/state.rs → packages/native-core/tests/update_state.rs

@@ -4,7 +4,7 @@ use dioxus_core::*;
 use dioxus_core_macro::*;
 use dioxus_html as dioxus_elements;
 use dioxus_native_core::real_dom::*;
-use dioxus_native_core::real_dom_new_api::{
+use dioxus_native_core::state::{
     AttributeMask, ChildDepState, NodeDepState, NodeMask, NodeView, ParentDepState, State,
 };
 use dioxus_native_core_macro::State;
@@ -25,12 +25,15 @@ impl ChildDepState for ChildDepCallCounter {
     type Ctx = ();
     type DepState = Self;
     const NODE_MASK: NodeMask = NodeMask::ALL;
-    fn reduce(
+    fn reduce<'a>(
         &mut self,
-        _node: NodeView,
-        _children: Vec<&Self::DepState>,
-        _ctx: &Self::Ctx,
-    ) -> bool {
+        _: NodeView,
+        _: impl Iterator<Item = &'a Self::DepState>,
+        _: &Self::Ctx,
+    ) -> bool
+    where
+        Self::DepState: 'a,
+    {
         self.0 += 1;
         true
     }
@@ -70,7 +73,15 @@ impl ChildDepState for BubbledUpStateTester {
     type Ctx = u32;
     type DepState = Self;
     const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::NONE, true, false);
-    fn reduce(&mut self, node: NodeView, children: Vec<&Self::DepState>, ctx: &Self::Ctx) -> bool {
+    fn reduce<'a>(
+        &mut self,
+        node: NodeView,
+        children: impl Iterator<Item = &'a Self::DepState>,
+        ctx: &Self::Ctx,
+    ) -> bool
+    where
+        Self::DepState: 'a,
+    {
         assert_eq!(*ctx, 42);
         *self = BubbledUpStateTester(
             node.tag().map(|s| s.to_string()),
@@ -245,6 +256,10 @@ fn state_reduce_initally_called_minimally() {
     let nodes_updated = dom.apply_mutations(vec![mutations]);
     let _to_rerender = dom.update_state(&vdom, nodes_updated, AnyMap::new());
 
+    dom.traverse_depth_first(|n| {
+        println!("{:#?}", n.state);
+    });
+
     dom.traverse_depth_first(|n| {
         assert_eq!(n.state.child_counter.0, 1);
         assert_eq!(n.state.parent_counter.0, 1);
@@ -314,10 +329,10 @@ fn state_reduce_down_called_minimally_on_update() {
     let _to_rerender = dom.update_state(&vdom, nodes_updated, AnyMap::new());
 
     dom.traverse_depth_first(|n| {
-        println!("{:?}", n.state);
-        // assert_eq!(n.state.parent_counter.0, 2);
+        // println!("{:?}", n.state);
+        assert_eq!(n.state.parent_counter.0, 2);
     });
-    panic!()
+    // panic!()
 }
 
 #[test]
@@ -382,8 +397,6 @@ fn state_reduce_up_called_minimally_on_update() {
     let _to_rerender = dom.update_state(&vdom, nodes_updated, AnyMap::new());
 
     dom.traverse_depth_first(|n| {
-        println!("{:?}", n.state);
-        // assert_eq!(n.state.child_counter.0, if n.id.0 > 4 { 1 } else { 2 });
+        assert_eq!(n.state.child_counter.0, if n.id.0 > 4 { 1 } else { 2 });
     });
-    panic!()
 }

packages/tui/src/hooks.rs

@@ -5,7 +5,6 @@ use dioxus_core::*;
 use fxhash::{FxHashMap, FxHashSet};
 
 use dioxus_html::{on::*, KeyCode};
-use dioxus_native_core::real_dom::{Node, RealDom};
 use std::{
     any::Any,
     cell::RefCell,
@@ -17,6 +16,7 @@ use stretch2::{prelude::Layout, Stretch};
 
 use crate::layout::StretchLayout;
 use crate::style_attributes::StyleModifier;
+use crate::{Dom, Node};
 
 // a wrapper around the input state for easier access
 // todo: fix loop
@@ -166,7 +166,7 @@ impl InnerInputState {
         evts: &mut Vec<EventCore>,
         resolved_events: &mut Vec<UserEvent>,
         layout: &Stretch,
-        dom: &mut RealDom<StretchLayout, StyleModifier>,
+        dom: &mut Dom,
     ) {
         let previous_mouse = self
             .mouse
@@ -191,7 +191,7 @@ impl InnerInputState {
         previous_mouse: Option<(MouseData, Vec<u16>)>,
         resolved_events: &mut Vec<UserEvent>,
         layout: &Stretch,
-        dom: &mut RealDom<StretchLayout, StyleModifier>,
+        dom: &mut Dom,
     ) {
         struct Data<'b> {
             new_pos: (i32, i32),
@@ -215,8 +215,8 @@ impl InnerInputState {
             data: Arc<dyn Any + Send + Sync>,
             will_bubble: &mut FxHashSet<ElementId>,
             resolved_events: &mut Vec<UserEvent>,
-            node: &Node<StretchLayout, StyleModifier>,
-            dom: &RealDom<StretchLayout, StyleModifier>,
+            node: &Node,
+            dom: &Dom,
         ) {
             // only trigger event if the event was not triggered already by a child
             if will_bubble.insert(node.id) {
@@ -261,7 +261,7 @@ impl InnerInputState {
                 // mousemove
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mousemove") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let previously_contained = data
                         .old_pos
                         .filter(|pos| layout_contains_point(node_layout, *pos))
@@ -285,7 +285,7 @@ impl InnerInputState {
                 // mouseenter
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mouseenter") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let previously_contained = data
                         .old_pos
                         .filter(|pos| layout_contains_point(node_layout, *pos))
@@ -309,7 +309,7 @@ impl InnerInputState {
                 // mouseover
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mouseover") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let previously_contained = data
                         .old_pos
                         .filter(|pos| layout_contains_point(node_layout, *pos))
@@ -333,7 +333,7 @@ impl InnerInputState {
                 // mousedown
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mousedown") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let currently_contains = layout_contains_point(node_layout, data.new_pos);
 
                     if currently_contains && data.clicked {
@@ -353,7 +353,7 @@ impl InnerInputState {
                 // mouseup
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mouseup") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let currently_contains = layout_contains_point(node_layout, data.new_pos);
 
                     if currently_contains && data.released {
@@ -373,7 +373,7 @@ impl InnerInputState {
                 // click
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("click") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let currently_contains = layout_contains_point(node_layout, data.new_pos);
 
                     if currently_contains && data.released && data.mouse_data.button == 0 {
@@ -393,7 +393,7 @@ impl InnerInputState {
                 // contextmenu
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("contextmenu") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let currently_contains = layout_contains_point(node_layout, data.new_pos);
 
                     if currently_contains && data.released && data.mouse_data.button == 2 {
@@ -413,7 +413,7 @@ impl InnerInputState {
                 // wheel
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("wheel") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let currently_contains = layout_contains_point(node_layout, data.new_pos);
 
                     if let Some(w) = data.wheel_data {
@@ -435,7 +435,7 @@ impl InnerInputState {
                 // mouseleave
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mouseleave") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let previously_contained = data
                         .old_pos
                         .filter(|pos| layout_contains_point(node_layout, *pos))
@@ -459,7 +459,7 @@ impl InnerInputState {
                 // mouseout
                 let mut will_bubble = FxHashSet::default();
                 for node in dom.get_listening_sorted("mouseout") {
-                    let node_layout = layout.layout(node.up_state.node.unwrap()).unwrap();
+                    let node_layout = layout.layout(node.state.layout.node.unwrap()).unwrap();
                     let previously_contained = data
                         .old_pos
                         .filter(|pos| layout_contains_point(node_layout, *pos))
@@ -522,11 +522,7 @@ impl RinkInputHandler {
         )
     }
 
-    pub fn get_events(
-        &self,
-        layout: &Stretch,
-        dom: &mut RealDom<StretchLayout, StyleModifier>,
-    ) -> Vec<UserEvent> {
+    pub(crate) fn get_events(&self, layout: &Stretch, dom: &mut Dom) -> Vec<UserEvent> {
         let mut resolved_events = Vec::new();
 
         (*self.state).borrow_mut().update(

packages/tui/src/layout.rs

@@ -1,83 +1,90 @@
+use std::cell::RefCell;
+use std::rc::Rc;
+
 use dioxus_core::*;
 use dioxus_native_core::layout_attributes::apply_layout_attributes;
-use dioxus_native_core::real_dom::BubbledUpState;
+use dioxus_native_core::state::{AttributeMask, ChildDepState, NodeMask, NodeView};
 use stretch2::prelude::*;
 
-/// the size
 #[derive(Clone, PartialEq, Default, Debug)]
 pub struct StretchLayout {
     pub style: Style,
     pub node: Option<Node>,
 }
 
-impl BubbledUpState for StretchLayout {
-    type Ctx = Stretch;
+impl ChildDepState for StretchLayout {
+    type Ctx = Rc<RefCell<Stretch>>;
+    type DepState = Self;
+    // todo: update mask
+    const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::All, false, false, true);
 
     /// Setup the layout
-    fn reduce<'a, I>(&mut self, children: I, vnode: &VNode, stretch: &mut Self::Ctx)
+    fn reduce<'a>(
+        &mut self,
+        node: NodeView,
+        children: impl Iterator<Item = &'a Self::DepState>,
+        ctx: &Self::Ctx,
+    ) -> bool
     where
-        I: Iterator<Item = &'a Self>,
-        Self: 'a,
+        Self::DepState: 'a,
     {
-        match vnode {
-            VNode::Text(t) => {
-                let char_len = t.text.chars().count();
+        let mut stretch = ctx.borrow_mut();
+        if let Some(text) = node.text() {
+            let char_len = text.chars().count();
 
-                let style = Style {
-                    size: Size {
-                        // characters are 1 point tall
-                        height: Dimension::Points(1.0),
+            let style = Style {
+                size: Size {
+                    // characters are 1 point tall
+                    height: Dimension::Points(1.0),
 
-                        // text is as long as it is declared
-                        width: Dimension::Points(char_len as f32),
-                    },
-                    ..Default::default()
-                };
+                    // text is as long as it is declared
+                    width: Dimension::Points(char_len as f32),
+                },
+                ..Default::default()
+            };
 
-                if let Some(n) = self.node {
-                    if self.style != style {
-                        stretch.set_style(n, style).unwrap();
-                    }
-                } else {
-                    self.node = Some(stretch.new_node(style, &[]).unwrap());
+            if let Some(n) = self.node {
+                if self.style != style {
+                    stretch.set_style(n, style).unwrap();
                 }
+            } else {
+                self.node = Some(stretch.new_node(style, &[]).unwrap());
+            }
+
+            self.style = style;
+        } else {
+            // gather up all the styles from the attribute list
+            let mut style = Style::default();
 
-                self.style = style;
+            for &Attribute { name, value, .. } in node.attributes() {
+                apply_layout_attributes(name, value, &mut style);
             }
-            VNode::Element(el) => {
-                // gather up all the styles from the attribute list
-                let mut style = Style::default();
 
-                for &Attribute { name, value, .. } in el.attributes {
-                    apply_layout_attributes(name, value, &mut style);
-                }
+            // the root node fills the entire area
+            if node.id() == ElementId(0) {
+                apply_layout_attributes("width", "100%", &mut style);
+                apply_layout_attributes("height", "100%", &mut style);
+            }
 
-                // the root node fills the entire area
-                if el.id.get() == Some(ElementId(0)) {
-                    apply_layout_attributes("width", "100%", &mut style);
-                    apply_layout_attributes("height", "100%", &mut style);
-                }
+            // Set all direct nodes as our children
+            let mut child_layout = vec![];
+            for l in children {
+                child_layout.push(l.node.unwrap());
+            }
 
-                // Set all direct nodes as our children
-                let mut child_layout = vec![];
-                for l in children {
-                    child_layout.push(l.node.unwrap());
+            if let Some(n) = self.node {
+                if stretch.children(n).unwrap() != child_layout {
+                    stretch.set_children(n, &child_layout).unwrap();
                 }
-
-                if let Some(n) = self.node {
-                    if stretch.children(n).unwrap() != child_layout {
-                        stretch.set_children(n, &child_layout).unwrap();
-                    }
-                    if self.style != style {
-                        stretch.set_style(n, style).unwrap();
-                    }
-                } else {
-                    self.node = Some(stretch.new_node(style, &child_layout).unwrap());
+                if self.style != style {
+                    stretch.set_style(n, style).unwrap();
                 }
-
-                self.style = style;
+            } else {
+                self.node = Some(stretch.new_node(style, &child_layout).unwrap());
             }
-            _ => (),
+
+            self.style = style;
         }
+        true
     }
 }

packages/tui/src/lib.rs

@@ -1,4 +1,5 @@
 use anyhow::Result;
+use anymap::AnyMap;
 use crossterm::{
     event::{DisableMouseCapture, EnableMouseCapture, Event as TermEvent, KeyCode, KeyModifiers},
     execute,
@@ -6,14 +7,14 @@ use crossterm::{
 };
 use dioxus_core::exports::futures_channel::mpsc::unbounded;
 use dioxus_core::*;
-use dioxus_native_core::{
-    dioxus_native_core_macro::State, real_dom::RealDom, real_dom_new_api::State,
-};
+use dioxus_native_core::{dioxus_native_core_macro::State, real_dom::RealDom, state::*};
 use futures::{
     channel::mpsc::{UnboundedReceiver, UnboundedSender},
     pin_mut, StreamExt,
 };
 use layout::StretchLayout;
+use std::cell::RefCell;
+use std::rc::Rc;
 use std::{io, time::Duration};
 use stretch2::{prelude::Size, Stretch};
 use style_attributes::StyleModifier;
@@ -31,8 +32,17 @@ pub use config::*;
 pub use hooks::*;
 pub use render::*;
 
+type Dom = RealDom<NodeState>;
+type Node = dioxus_native_core::real_dom::Node<NodeState>;
+
 #[derive(Debug, Clone, State, Default)]
-struct NodeState {}
+struct NodeState {
+    #[child_dep_state(StretchLayout, RefCell<Stretch>)]
+    layout: StretchLayout,
+    // depends on attributes, the C component of it's parent and a u8 context
+    #[parent_dep_state(StyleModifier)]
+    style: StyleModifier,
+}
 
 #[derive(Clone)]
 pub struct TuiContext {
@@ -75,13 +85,13 @@ pub fn launch_cfg(app: Component<()>, cfg: Config) {
     cx.provide_root_context(state);
     cx.provide_root_context(TuiContext { tx: event_tx_clone });
 
-    let mut rdom: RealDom<StretchLayout, StyleModifier> = RealDom::new();
+    let mut rdom: Dom = RealDom::new();
     let mutations = dom.rebuild();
     let to_update = rdom.apply_mutations(vec![mutations]);
-    let mut stretch = Stretch::new();
-    let _to_rerender = rdom
-        .update_state(&dom, to_update, &mut stretch, &mut ())
-        .unwrap();
+    let stretch = Rc::new(RefCell::new(Stretch::new()));
+    let mut any_map = AnyMap::new();
+    any_map.insert(stretch.clone());
+    let _to_rerender = rdom.update_state(&dom, to_update, any_map).unwrap();
 
     render_vdom(
         &mut dom,
@@ -100,8 +110,8 @@ fn render_vdom(
     mut event_reciever: UnboundedReceiver<InputEvent>,
     handler: RinkInputHandler,
     cfg: Config,
-    mut rdom: RealDom<StretchLayout, StyleModifier>,
-    mut stretch: Stretch,
+    mut rdom: Dom,
+    mut stretch: Rc<RefCell<Stretch>>,
     mut register_event: impl FnMut(crossterm::event::Event),
 ) -> Result<()> {
     tokio::runtime::Builder::new_current_thread()
@@ -119,7 +129,7 @@ fn render_vdom(
                 terminal.clear().unwrap();
             }
 
-            let mut to_rerender: fxhash::FxHashSet<usize> = vec![0].into_iter().collect();
+            let to_rerender: fxhash::FxHashSet<usize> = vec![0].into_iter().collect();
             let mut resized = true;
 
             loop {
@@ -136,15 +146,11 @@ fn render_vdom(
 
                 if !to_rerender.is_empty() || resized {
                     resized = false;
-                    fn resize(
-                        dims: Rect,
-                        stretch: &mut Stretch,
-                        rdom: &RealDom<StretchLayout, StyleModifier>,
-                    ) {
+                    fn resize(dims: Rect, stretch: &mut Stretch, rdom: &Dom) {
                         let width = dims.width;
                         let height = dims.height;
                         let root_id = rdom.root_id();
-                        let root_node = rdom[root_id].up_state.node.unwrap();
+                        let root_node = rdom[root_id].state.layout.node.unwrap();
 
                         stretch
                             .compute_layout(
@@ -159,9 +165,9 @@ fn render_vdom(
                     if let Some(terminal) = &mut terminal {
                         terminal.draw(|frame| {
                             // size is guaranteed to not change when rendering
-                            resize(frame.size(), &mut stretch, &rdom);
+                            resize(frame.size(), &mut stretch.borrow_mut(), &rdom);
                             let root = &rdom[rdom.root_id()];
-                            render::render_vnode(frame, &stretch, &rdom, &root, cfg);
+                            render::render_vnode(frame, &stretch.borrow(), &rdom, &root, cfg);
                         })?;
                     } else {
                         resize(
@@ -171,7 +177,7 @@ fn render_vdom(
                                 width: 300,
                                 height: 300,
                             },
-                            &mut stretch,
+                            &mut stretch.borrow_mut(),
                             &rdom,
                         );
                     }
@@ -212,7 +218,7 @@ fn render_vdom(
 
                 {
                     // resolve events before rendering
-                    let evts = handler.get_events(&stretch, &mut rdom);
+                    let evts = handler.get_events(&stretch.borrow(), &mut rdom);
                     for e in evts {
                         vdom.handle_message(SchedulerMsg::Event(e));
                     }
@@ -220,11 +226,9 @@ fn render_vdom(
                     // updates the dom's nodes
                     let to_update = rdom.apply_mutations(mutations);
                     // update the style and layout
-                    to_rerender.extend(
-                        rdom.update_state(vdom, to_update, &mut stretch, &mut ())
-                            .unwrap()
-                            .iter(),
-                    )
+                    let mut any_map = AnyMap::new();
+                    any_map.insert(stretch.clone());
+                    let _to_rerender = rdom.update_state(&vdom, to_update, any_map).unwrap();
                 }
             }
 

packages/tui/src/render.rs

@@ -1,8 +1,5 @@
 use crate::layout::StretchLayout;
-use dioxus_native_core::{
-    layout_attributes::UnitSystem,
-    real_dom::{Node, RealDom},
-};
+use dioxus_native_core::layout_attributes::UnitSystem;
 use std::io::Stdout;
 use stretch2::{
     geometry::Point,
@@ -15,16 +12,16 @@ use crate::{
     style::{RinkColor, RinkStyle},
     style_attributes::{BorderEdge, BorderStyle},
     widget::{RinkBuffer, RinkCell, RinkWidget, WidgetWithContext},
-    Config, StyleModifier,
+    Config, Dom, Node, StyleModifier,
 };
 
 const RADIUS_MULTIPLIER: [f32; 2] = [1.0, 0.5];
 
-pub fn render_vnode(
+pub(crate) fn render_vnode(
     frame: &mut tui::Frame<CrosstermBackend<Stdout>>,
     layout: &Stretch,
-    rdom: &RealDom<StretchLayout, StyleModifier>,
-    node: &Node<StretchLayout, StyleModifier>,
+    rdom: &Dom,
+    node: &Node,
     cfg: Config,
 ) {
     use dioxus_native_core::real_dom::NodeType;
@@ -33,7 +30,7 @@ pub fn render_vnode(
         return;
     }
 
-    let Layout { location, size, .. } = layout.layout(node.up_state.node.unwrap()).unwrap();
+    let Layout { location, size, .. } = layout.layout(node.state.layout.node.unwrap()).unwrap();
 
     let Point { x, y } = location;
     let Size { width, height } = size;
@@ -59,7 +56,7 @@ pub fn render_vnode(
 
             let label = Label {
                 text,
-                style: node.down_state.style,
+                style: node.state.style.style,
             };
             let area = Rect::new(*x as u16, *y as u16, *width as u16, *height as u16);
 
@@ -84,7 +81,7 @@ pub fn render_vnode(
     }
 }
 
-impl RinkWidget for &Node<StretchLayout, StyleModifier> {
+impl RinkWidget for &Node {
     fn render(self, area: Rect, mut buf: RinkBuffer<'_>) {
         use tui::symbols::line::*;
 
@@ -268,14 +265,14 @@ impl RinkWidget for &Node<StretchLayout, StyleModifier> {
         for x in area.left()..area.right() {
             for y in area.top()..area.bottom() {
                 let mut new_cell = RinkCell::default();
-                if let Some(c) = self.down_state.style.bg {
+                if let Some(c) = self.state.style.style.bg {
                     new_cell.bg = c;
                 }
                 buf.set(x, y, new_cell);
             }
         }
 
-        let borders = &self.down_state.modifier.borders;
+        let borders = &self.state.style.modifier.borders;
 
         let last_edge = &borders.left;
         let current_edge = &borders.top;
@@ -292,7 +289,7 @@ impl RinkWidget for &Node<StretchLayout, StyleModifier> {
                 (last_r * RADIUS_MULTIPLIER[0]) as u16,
                 (last_r * RADIUS_MULTIPLIER[1]) as u16,
             ];
-            let color = current_edge.color.or(self.down_state.style.fg);
+            let color = current_edge.color.or(self.state.style.style.fg);
             let mut new_cell = RinkCell::default();
             if let Some(c) = color {
                 new_cell.fg = c;
@@ -327,7 +324,7 @@ impl RinkWidget for &Node<StretchLayout, StyleModifier> {
                 (last_r * RADIUS_MULTIPLIER[0]) as u16,
                 (last_r * RADIUS_MULTIPLIER[1]) as u16,
             ];
-            let color = current_edge.color.or(self.down_state.style.fg);
+            let color = current_edge.color.or(self.state.style.style.fg);
             let mut new_cell = RinkCell::default();
             if let Some(c) = color {
                 new_cell.fg = c;
@@ -362,7 +359,7 @@ impl RinkWidget for &Node<StretchLayout, StyleModifier> {
                 (last_r * RADIUS_MULTIPLIER[0]) as u16,
                 (last_r * RADIUS_MULTIPLIER[1]) as u16,
             ];
-            let color = current_edge.color.or(self.down_state.style.fg);
+            let color = current_edge.color.or(self.state.style.style.fg);
             let mut new_cell = RinkCell::default();
             if let Some(c) = color {
                 new_cell.fg = c;
@@ -397,7 +394,7 @@ impl RinkWidget for &Node<StretchLayout, StyleModifier> {
                 (last_r * RADIUS_MULTIPLIER[0]) as u16,
                 (last_r * RADIUS_MULTIPLIER[1]) as u16,
             ];
-            let color = current_edge.color.or(self.down_state.style.fg);
+            let color = current_edge.color.or(self.state.style.style.fg);
             let mut new_cell = RinkCell::default();
             if let Some(c) = color {
                 new_cell.fg = c;

packages/tui/src/style_attributes.rs

@@ -32,7 +32,7 @@
 use dioxus_core::{Attribute, VNode};
 use dioxus_native_core::{
     layout_attributes::{parse_value, UnitSystem},
-    real_dom::PushedDownState,
+    state::{AttributeMask, NodeMask, NodeView, ParentDepState},
 };
 
 use crate::style::{RinkColor, RinkStyle};
@@ -43,18 +43,22 @@ pub struct StyleModifier {
     pub modifier: TuiModifier,
 }
 
-impl PushedDownState for StyleModifier {
+impl ParentDepState for StyleModifier {
     type Ctx = ();
+    type DepState = Self;
+    // todo: seperate each attribute into it's own class
+    const NODE_MASK: NodeMask = NodeMask::new(AttributeMask::All, true, true, false);
 
-    fn reduce(&mut self, parent: Option<&Self>, vnode: &VNode, _ctx: &mut Self::Ctx) {
+    fn reduce(&mut self, node: NodeView, parent: Option<&Self::DepState>, ctx: &Self::Ctx) -> bool {
         *self = StyleModifier::default();
         if parent.is_some() {
             self.style.fg = None;
         }
-        if let VNode::Element(el) = vnode {
-            // handle text modifier elements
-            if el.namespace.is_none() {
-                match el.tag {
+
+        // handle text modifier elements
+        if node.namespace().is_none() {
+            if let Some(tag) = node.tag() {
+                match tag {
                     "b" => apply_style_attributes("font-weight", "bold", self),
                     "strong" => apply_style_attributes("font-weight", "bold", self),
                     "u" => apply_style_attributes("text-decoration", "underline", self),
@@ -68,11 +72,11 @@ impl PushedDownState for StyleModifier {
                     _ => (),
                 }
             }
+        }
 
-            // gather up all the styles from the attribute list
-            for &Attribute { name, value, .. } in el.attributes {
-                apply_style_attributes(name, value, self);
-            }
+        // gather up all the styles from the attribute list
+        for &Attribute { name, value, .. } in node.attributes() {
+            apply_style_attributes(name, value, self);
         }
 
         // keep the text styling from the parent element
@@ -81,6 +85,7 @@ impl PushedDownState for StyleModifier {
             new_style.bg = self.style.bg;
             self.style = new_style;
         }
+        true
     }
 }