refactor(core): 💡 make providers accessible in all contexts and enhan…

…ce their efficiency

CHANGELOG.md

@@ -27,7 +27,8 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
 
 ### Features
 
-- **macros**: Added the `part_reader!` macro to generate a partial reader from a reference of a reader. (#pr @M-Adoo)
+- **macros**: Added the `part_reader!` macro to generate a partial reader from a reference of a reader. (#688 @M-Adoo)
+- **macros**: The `simple_declare` now supports the `stateless` meta attribute, `#[simple_declare(stateless)]`. (#688 @M-Adoo)
 
 ## [0.4.0-alpha.22] - 2025-01-08
 
@@ -100,7 +101,6 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
 - **core**: Added the `named_svgs` module to enable sharing SVGs using string keys, replacing the need for `IconTheme`. (#658 @M-Adoo)
 - **core**: The `keyframes!` macro has been introduced to manage the intermediate steps of animation states. (#653 @M-Adoo)
 - **core**: Added `QueryId` as a replacement for `TypeId` to facilitate querying types by Provider across different binaries. (#656 @M-Adoo)
-- **core**: Added `OverrideClass` to override a single class within a subtree. (#657 @M-Adoo)
 - **widgets**: Added `LinearProgress` and `SpinnerProgress` widgets along with their respective material themes. (#630 @wjian23 @M-Adoo)
 - **painter**: SVG now supports switching the default color, allowing for icon color changes. (#661 @M-Adoo)
 
@@ -285,7 +285,12 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
 - **core**: Added `Provider` widget to share data between sub-tree. (#618 @M-Adoo)
 
   ```rust
-  Provider::new(Box::new(State::value(0i32))).with_child(fn_widget! {
+  let state = Stateful::value(0132);
+  providers!{
+    providers: smallvec![
+      Provider::new(state.clone_writer()), 
+      Provider::value_of_state(state)
+    ],
     @SizedBox {
       size: Size::new(1.,1.),
       on_tap: |e| {
@@ -302,9 +307,8 @@ Please only add new entries below the [Unreleased](#unreleased---releasedate) he
         }
       }
     }
-  });
+  }
   ```
-
 - **core**: Added `Overlay::of` to allow querying the overlay in event callbacks. (#618 @M-Adoo)
 - **core**: Added `WidgetCtx::query`, `WidgetCtx::query_write`, `WidgetCtx::query_of_widget` and  `WidgetCtx::query_write_of_widget`. (#618 @M-Adoo)
 

core/src/animation/stagger.rs

@@ -262,12 +262,7 @@ mod tests {
     let c_stagger = stagger.clone_writer();
     let w = fn_widget! {
       let mut mock_box = @MockBox { size: Size::new(100., 100.) };
-      $stagger.write().push_state(
-        mock_box
-          .get_opacity_widget()
-          .map_writer(|w| PartData::from_ref_mut(&mut w.opacity)),
-        0.,
-      );
+      $stagger.write().push_state(part_writer!(&mut mock_box.opacity),0.);
       stagger.run();
 
       mock_box

core/src/builtin_widgets.rs

@@ -65,8 +65,6 @@ mod mix_builtin;
 pub use mix_builtin::*;
 pub mod container;
 pub use container::*;
-mod provider;
-pub use provider::*;
 mod class;
 pub use class::*;
 mod constrained_box;
@@ -82,6 +80,8 @@ mod text;
 pub use text::*;
 mod tooltips;
 pub use tooltips::*;
+mod providers;
+pub use providers::*;
 
 use crate::prelude::*;
 
@@ -409,7 +409,11 @@ impl<T> FatObj<T> {
   /// doesn't exist, a new one will be created.
   pub fn get_text_style_widget(&mut self) -> &State<TextStyleWidget> {
     self.text_style.get_or_insert_with(|| {
-      State::value(TextStyleWidget { text_style: BuildCtx::get().text_style().clone() })
+      State::value(TextStyleWidget {
+        text_style: Provider::of::<TextStyle>(BuildCtx::get())
+          .unwrap()
+          .clone(),
+      })
     })
   }