Frontend structure

Cargo.toml

@@ -9,8 +9,7 @@ homepage = "https://osui.netlify.app"
 documentation = "https://osui.netlify.app/docs/"
 
 [features]
-no_rsx = []
-no_elem = []
+rsx = []
 
 [lib]
 name = "osui"

examples/hello_world.rs

@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use osui::prelude::*;
+use osui::{prelude::*, rsx};
 
 #[derive(Debug, Clone)]
 pub struct KeyPress;
@@ -94,13 +94,7 @@ fn app(cx: &Arc<Context>) -> View {
         );
     }
 
-    Arc::new({
-        let cx = cx.clone();
-
-        move |ctx| {
-            cx.draw_children(ctx);
-        }
-    })
+    rsx! {}.view(cx.clone())
 }
 
 fn my_component(cx: &Arc<Context>) -> View {

src/component.rs

@@ -31,7 +31,7 @@ pub struct Context {
     component: Mutex<Component>,
     event_handlers: Mutex<HashMap<TypeId, Vec<EventHandler>>>,
     view: Mutex<View>,
-    scopes: Mutex<Vec<Arc<Scope>>>,
+    pub(crate) scopes: Mutex<Vec<Arc<Scope>>>,
 }
 
 impl Context {

src/frontend.rs

@@ -0,0 +1,58 @@
+use std::sync::Arc;
+
+use crate::{
+    component::{Context, Scope},
+    state::HookDependency,
+    View,
+};
+
+pub enum RsxScope {
+    Static(Arc<Scope>),
+    Dynamic(
+        Arc<dyn Fn(&Arc<Scope>) + Send + Sync>,
+        Vec<Box<dyn HookDependency>>,
+    ),
+}
+
+pub struct Rsx(Vec<RsxScope>);
+
+impl Rsx {
+    pub fn new() -> Self {
+        Self(Vec::new())
+    }
+
+    pub fn static_scope(&mut self, scope: Arc<Scope>) {
+        self.0.push(RsxScope::Static(scope));
+    }
+
+    pub fn dynamic_scope<F: Fn(&Arc<Scope>) + Send + Sync + 'static>(
+        &mut self,
+        drawer: F,
+        dependencies: Vec<Box<dyn HookDependency>>,
+    ) {
+        self.0
+            .push(RsxScope::Dynamic(Arc::new(drawer), dependencies));
+    }
+
+    pub fn view(&self, context: Arc<Context>) -> View {
+        for scope in &self.0 {
+            match scope {
+                RsxScope::Static(scope) => context.scopes.lock().unwrap().push(scope.clone()),
+                RsxScope::Dynamic(drawer, dependencies) => {
+                    let drawer = drawer.clone();
+                    context.dyn_scope(
+                        move |c| drawer(c),
+                        &dependencies.iter().map(|d| d.as_ref()).collect::<Vec<_>>(),
+                    );
+                }
+            }
+        }
+
+        let context = context.clone();
+        Arc::new({
+            move |ctx| {
+                context.draw_children(ctx);
+            }
+        })
+    }
+}

src/lib.rs

@@ -4,6 +4,8 @@ use crate::render::DrawContext;
 
 pub mod component;
 pub mod engine;
+pub mod frontend;
+pub mod macros;
 pub mod render;
 pub mod state;
 

src/macros.rs

@@ -0,0 +1,11 @@
+#[macro_export]
+macro_rules! rsx {
+    () => {
+        $crate::frontend::Rsx::new()
+    };
+}
+
+#[macro_export]
+macro_rules! rsx_scope {
+    () => {};
+}