Merge remote-tracking branch 'origin/main' into new-view-new-model-rename

crates/collab_ui2/src/face_pile.rs

@@ -9,9 +9,9 @@ pub struct FacePile {
 }
 
 impl RenderOnce for FacePile {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _: &mut WindowContext) -> Self::Output {
         let player_count = self.faces.len();
         let player_list = self.faces.into_iter().enumerate().map(|(ix, player)| {
             let isnt_last = ix < player_count - 1;

crates/editor2/src/element.rs

@@ -2757,7 +2757,7 @@ enum Invisible {
 impl Element for EditorElement {
     type State = ();
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _element_state: Option<Self::State>,
         cx: &mut gpui::WindowContext,

crates/gpui2/src/element.rs

@@ -6,21 +6,42 @@ use derive_more::{Deref, DerefMut};
 pub(crate) use smallvec::SmallVec;
 use std::{any::Any, fmt::Debug};
 
-pub trait Render: 'static + Sized {
+pub trait Element: 'static + IntoElement {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element;
+    type State: 'static;
+
+    fn request_layout(
+        &mut self,
+        state: Option<Self::State>,
+        cx: &mut WindowContext,
+    ) -> (LayoutId, Self::State);
+
+    fn paint(&mut self, bounds: Bounds<Pixels>, state: &mut Self::State, cx: &mut WindowContext);
+
+    fn into_any(self) -> AnyElement {
+        AnyElement::new(self)
+    }
 }
 
+/// Implemented by any type that can be converted into an element.
 pub trait IntoElement: Sized {
-    type Element: Element + 'static;
+    /// The specific type of element into which the implementing type is converted.
+    type Element: Element;
 
+    /// The [ElementId] of self once converted into an [Element].
+    /// If present, the resulting element's state will be carried across frames.
     fn element_id(&self) -> Option<ElementId>;
 
+    /// Convert self into a type that implements [Element].
     fn into_element(self) -> Self::Element;
 
+    /// Convert self into a dynamically-typed [AnyElement].
     fn into_any_element(self) -> AnyElement {
         self.into_element().into_any()
     }
 
+    /// Convert into an element, then draw in the current window at the given origin.
+    /// The provided available space is provided to the layout engine to determine the size of the root element.
+    /// Once the element is drawn, its associated element staet is yielded to the given callback.
     fn draw_and_update_state<T, R>(
         self,
         origin: Point<Pixels>,
@@ -52,6 +73,7 @@ pub trait IntoElement: Sized {
         }
     }
 
+    /// Convert self to another type by calling the given closure. Useful in rendering code.
     fn map<U>(self, f: impl FnOnce(Self) -> U) -> U
     where
         Self: Sized,
@@ -60,6 +82,7 @@ pub trait IntoElement: Sized {
         f(self)
     }
 
+    /// Conditionally chain onto self with the given closure. Useful in rendering code.
     fn when(self, condition: bool, then: impl FnOnce(Self) -> Self) -> Self
     where
         Self: Sized,
@@ -67,6 +90,8 @@ pub trait IntoElement: Sized {
         self.map(|this| if condition { then(this) } else { this })
     }
 
+    /// Conditionally chain onto self with the given closure if the given option is Some.
+    /// The contents of the option are provided to the closure.
     fn when_some<T>(self, option: Option<T>, then: impl FnOnce(Self, T) -> Self) -> Self
     where
         Self: Sized,
@@ -81,35 +106,46 @@ pub trait IntoElement: Sized {
     }
 }
 
-pub trait Element: 'static + IntoElement {
+pub trait Render: 'static + Sized {
-    type State: 'static;
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element;
-
-    fn layout(
-        &mut self,
-        state: Option<Self::State>,
-        cx: &mut WindowContext,
-    ) -> (LayoutId, Self::State);
-
-    fn paint(&mut self, bounds: Bounds<Pixels>, state: &mut Self::State, cx: &mut WindowContext);
-
-    fn into_any(self) -> AnyElement {
-        AnyElement::new(self)
-    }
 }
 
+/// You can derive [IntoElement] on any type that implements this trait.
+/// It is used to allow views to be expressed in terms of abstract data.
 pub trait RenderOnce: 'static {
-    type Rendered: IntoElement;
+    type Output: IntoElement;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered;
+    fn render(self, cx: &mut WindowContext) -> Self::Output;
+}
+
+pub trait ParentElement {
+    fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]>;
+
+    fn child(mut self, child: impl IntoElement) -> Self
+    where
+        Self: Sized,
+    {
+        self.children_mut().push(child.into_element().into_any());
+        self
+    }
+
+    fn children(mut self, children: impl IntoIterator<Item = impl IntoElement>) -> Self
+    where
+        Self: Sized,
+    {
+        self.children_mut()
+            .extend(children.into_iter().map(|child| child.into_any_element()));
+        self
+    }
 }
 
 pub struct Component<C> {
     component: Option<C>,
 }
 
-pub struct CompositeElementState<C: RenderOnce> {
+pub struct ComponentState<C: RenderOnce> {
-    rendered_element: Option<<C::Rendered as IntoElement>::Element>,
+    rendered_element: Option<<C::Output as IntoElement>::Element>,
-    rendered_element_state: Option<<<C::Rendered as IntoElement>::Element as Element>::State>,
+    rendered_element_state: Option<<<C::Output as IntoElement>::Element as Element>::State>,
 }
 
 impl<C> Component<C> {
@@ -121,9 +157,9 @@ impl<C> Component<C> {
 }
 
 impl<C: RenderOnce> Element for Component<C> {
-    type State = CompositeElementState<C>;
+    type State = ComponentState<C>;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         state: Option<Self::State>,
         cx: &mut WindowContext,
@@ -131,16 +167,16 @@ impl<C: RenderOnce> Element for Component<C> {
         let mut element = self.component.take().unwrap().render(cx).into_element();
         if let Some(element_id) = element.element_id() {
             let layout_id =
-                cx.with_element_state(element_id, |state, cx| element.layout(state, cx));
+                cx.with_element_state(element_id, |state, cx| element.request_layout(state, cx));
-            let state = CompositeElementState {
+            let state = ComponentState {
                 rendered_element: Some(element),
                 rendered_element_state: None,
             };
             (layout_id, state)
         } else {
             let (layout_id, state) =
-                element.layout(state.and_then(|s| s.rendered_element_state), cx);
+                element.request_layout(state.and_then(|s| s.rendered_element_state), cx);
-            let state = CompositeElementState {
+            let state = ComponentState {
                 rendered_element: Some(element),
                 rendered_element_state: Some(state),
             };
@@ -181,27 +217,6 @@ impl<C: RenderOnce> IntoElement for Component<C> {
 #[derive(Deref, DerefMut, Default, Clone, Debug, Eq, PartialEq, Hash)]
 pub struct GlobalElementId(SmallVec<[ElementId; 32]>);
 
-pub trait ParentElement {
-    fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]>;
-
-    fn child(mut self, child: impl IntoElement) -> Self
-    where
-        Self: Sized,
-    {
-        self.children_mut().push(child.into_element().into_any());
-        self
-    }
-
-    fn children(mut self, children: impl IntoIterator<Item = impl IntoElement>) -> Self
-    where
-        Self: Sized,
-    {
-        self.children_mut()
-            .extend(children.into_iter().map(|child| child.into_any_element()));
-        self
-    }
-}
-
 trait ElementObject {
     fn element_id(&self) -> Option<ElementId>;
 
@@ -256,15 +271,18 @@ impl<E: Element> DrawableElement<E> {
         self.element.as_ref()?.element_id()
     }
 
-    fn layout(&mut self, cx: &mut WindowContext) -> LayoutId {
+    fn request_layout(&mut self, cx: &mut WindowContext) -> LayoutId {
         let (layout_id, frame_state) = if let Some(id) = self.element.as_ref().unwrap().element_id()
         {
             let layout_id = cx.with_element_state(id, |element_state, cx| {
-                self.element.as_mut().unwrap().layout(element_state, cx)
+                self.element
+                    .as_mut()
+                    .unwrap()
+                    .request_layout(element_state, cx)
             });
             (layout_id, None)
         } else {
-            let (layout_id, frame_state) = self.element.as_mut().unwrap().layout(None, cx);
+            let (layout_id, frame_state) = self.element.as_mut().unwrap().request_layout(None, cx);
             (layout_id, Some(frame_state))
         };
 
@@ -323,7 +341,7 @@ impl<E: Element> DrawableElement<E> {
         cx: &mut WindowContext,
     ) -> Size<Pixels> {
         if matches!(&self.phase, ElementDrawPhase::Start) {
-            self.layout(cx);
+            self.request_layout(cx);
         }
 
         let layout_id = match &mut self.phase {
@@ -378,7 +396,7 @@ where
     }
 
     fn layout(&mut self, cx: &mut WindowContext) -> LayoutId {
-        DrawableElement::layout(self.as_mut().unwrap(), cx)
+        DrawableElement::request_layout(self.as_mut().unwrap(), cx)
     }
 
     fn paint(&mut self, cx: &mut WindowContext) {
@@ -452,7 +470,7 @@ impl AnyElement {
 impl Element for AnyElement {
     type State = ();
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,
@@ -500,7 +518,7 @@ impl IntoElement for () {
 impl Element for () {
     type State = ();
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _state: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/elements/canvas.rs

@@ -29,7 +29,7 @@ impl IntoElement for Canvas {
 impl Element for Canvas {
     type State = Style;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/elements/div.rs

@@ -768,7 +768,7 @@ impl ParentElement for Div {
 impl Element for Div {
     type State = DivState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext,
@@ -1818,12 +1818,12 @@ where
 {
     type State = E::State;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         state: Option<Self::State>,
         cx: &mut WindowContext,
     ) -> (LayoutId, Self::State) {
-        self.element.layout(state, cx)
+        self.element.request_layout(state, cx)
     }
 
     fn paint(&mut self, bounds: Bounds<Pixels>, state: &mut Self::State, cx: &mut WindowContext) {
@@ -1892,12 +1892,12 @@ where
 {
     type State = E::State;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         state: Option<Self::State>,
         cx: &mut WindowContext,
     ) -> (LayoutId, Self::State) {
-        self.element.layout(state, cx)
+        self.element.request_layout(state, cx)
     }
 
     fn paint(&mut self, bounds: Bounds<Pixels>, state: &mut Self::State, cx: &mut WindowContext) {

crates/gpui2/src/elements/img.rs

@@ -71,7 +71,7 @@ impl Img {
 impl Element for Img {
     type State = InteractiveElementState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/elements/list.rs

@@ -302,7 +302,7 @@ pub struct ListOffset {
 impl Element for List {
     type State = ();
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _state: Option<Self::State>,
         cx: &mut crate::WindowContext,

crates/gpui2/src/elements/overlay.rs

@@ -60,7 +60,7 @@ impl ParentElement for Overlay {
 impl Element for Overlay {
     type State = OverlayState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/elements/svg.rs

@@ -26,7 +26,7 @@ impl Svg {
 impl Element for Svg {
     type State = InteractiveElementState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/elements/text.rs

@@ -12,7 +12,7 @@ use util::ResultExt;
 impl Element for &'static str {
     type State = TextState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,
@@ -42,7 +42,7 @@ impl IntoElement for &'static str {
 impl Element for SharedString {
     type State = TextState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,
@@ -118,7 +118,7 @@ impl StyledText {
 impl Element for StyledText {
     type State = TextState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,
@@ -331,7 +331,7 @@ impl InteractiveText {
 impl Element for InteractiveText {
     type State = InteractiveTextState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         state: Option<Self::State>,
         cx: &mut WindowContext,
@@ -340,14 +340,14 @@ impl Element for InteractiveText {
             mouse_down_index, ..
         }) = state
         {
-            let (layout_id, text_state) = self.text.layout(None, cx);
+            let (layout_id, text_state) = self.text.request_layout(None, cx);
             let element_state = InteractiveTextState {
                 text_state,
                 mouse_down_index,
             };
             (layout_id, element_state)
         } else {
-            let (layout_id, text_state) = self.text.layout(None, cx);
+            let (layout_id, text_state) = self.text.request_layout(None, cx);
             let element_state = InteractiveTextState {
                 text_state,
                 mouse_down_index: Rc::default(),

crates/gpui2/src/elements/uniform_list.rs

@@ -116,7 +116,7 @@ pub struct UniformListState {
 impl Element for UniformList {
     type State = UniformListState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         state: Option<Self::State>,
         cx: &mut WindowContext,

crates/gpui2/src/view.rs

@@ -81,12 +81,12 @@ impl<V: 'static> View<V> {
 impl<V: Render> Element for View<V> {
     type State = Option<AnyElement>;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _state: Option<Self::State>,
         cx: &mut WindowContext,
     ) -> (LayoutId, Self::State) {
-        let mut element = self.update(cx, |view, cx| view.render(cx).into_any());
+        let mut element = self.update(cx, |view, cx| view.render(cx).into_any_element());
         let layout_id = element.layout(cx);
         (layout_id, Some(element))
     }
@@ -229,7 +229,7 @@ impl<V: Render> From<View<V>> for AnyView {
 impl Element for AnyView {
     type State = Option<AnyElement>;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _state: Option<Self::State>,
         cx: &mut WindowContext,
@@ -313,14 +313,14 @@ impl std::fmt::Debug for AnyWeakView {
 }
 
 mod any_view {
-    use crate::{AnyElement, AnyView, Element, LayoutId, Render, WindowContext};
+    use crate::{AnyElement, AnyView, IntoElement, LayoutId, Render, WindowContext};
 
     pub(crate) fn layout<V: 'static + Render>(
         view: &AnyView,
         cx: &mut WindowContext,
     ) -> (LayoutId, AnyElement) {
         let view = view.clone().downcast::<V>().unwrap();
-        let mut element = view.update(cx, |view, cx| view.render(cx).into_any());
+        let mut element = view.update(cx, |view, cx| view.render(cx).into_any_element());
         let layout_id = element.layout(cx);
         (layout_id, element)
     }

crates/quick_action_bar2/src/quick_action_bar.rs

@@ -136,9 +136,9 @@ impl QuickActionBarButton {
 }
 
 impl RenderOnce for QuickActionBarButton {
-    type Rendered = IconButton;
+    type Output = IconButton;
 
-    fn render(self, _: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _: &mut WindowContext) -> Self::Output {
         let tooltip = self.tooltip.clone();
         let action = self.action.boxed_clone();
 

crates/recent_projects2/src/highlighted_workspace_location.rs

@@ -43,9 +43,9 @@ impl HighlightedText {
 }
 
 impl RenderOnce for HighlightedText {
-    type Rendered = HighlightedLabel;
+    type Output = HighlightedLabel;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         HighlightedLabel::new(self.text, self.highlight_positions)
     }
 }

crates/story/src/story.rs

@@ -74,9 +74,9 @@ impl ParentElement for StoryContainer {
 }
 
 impl RenderOnce for StoryContainer {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         div()
             .size_full()
             .flex()
@@ -294,9 +294,9 @@ impl StoryItem {
 }
 
 impl RenderOnce for StoryItem {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         div()
             .my_2()
             .flex()
@@ -358,9 +358,9 @@ impl StorySection {
 }
 
 impl RenderOnce for StorySection {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         let children: SmallVec<[AnyElement; 2]> = SmallVec::from_iter(Itertools::intersperse_with(
             self.children.into_iter(),
             || Story::divider().into_any_element(),

crates/storybook2/src/stories/z_index.rs

@@ -80,9 +80,9 @@ struct ZIndexExample {
 }
 
 impl RenderOnce for ZIndexExample {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         div()
             .relative()
             .size_full()

crates/terminal_view2/src/terminal_element.rs

@@ -750,7 +750,7 @@ impl TerminalElement {
 impl Element for TerminalElement {
     type State = InteractiveElementState;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext<'_>,

crates/ui2/src/components/avatar.rs

@@ -16,9 +16,9 @@ pub struct Avatar {
 }
 
 impl RenderOnce for Avatar {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(mut self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(mut self, cx: &mut WindowContext) -> Self::Output {
         if self.image.style().corner_radii.top_left.is_none() {
             self = self.shape(Shape::Circle);
         }

crates/ui2/src/components/button/button.rs

@@ -136,9 +136,9 @@ impl ButtonCommon for Button {
 }
 
 impl RenderOnce for Button {
-    type Rendered = ButtonLike;
+    type Output = ButtonLike;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         let is_disabled = self.base.disabled;
         let is_selected = self.base.selected;
 

crates/ui2/src/components/button/button_icon.rs

@@ -63,9 +63,9 @@ impl Selectable for ButtonIcon {
 }
 
 impl RenderOnce for ButtonIcon {
-    type Rendered = IconElement;
+    type Output = IconElement;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         let icon = self
             .selected_icon
             .filter(|_| self.selected)

crates/ui2/src/components/button/button_like.rs

@@ -363,9 +363,9 @@ impl ParentElement for ButtonLike {
 }
 
 impl RenderOnce for ButtonLike {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         self.base
             .h_flex()
             .id(self.id.clone())

crates/ui2/src/components/button/icon_button.rs

@@ -106,9 +106,9 @@ impl VisibleOnHover for IconButton {
 }
 
 impl RenderOnce for IconButton {
-    type Rendered = ButtonLike;
+    type Output = ButtonLike;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         let is_disabled = self.base.disabled;
         let is_selected = self.base.selected;
 

crates/ui2/src/components/button/toggle_button.rs

@@ -99,9 +99,9 @@ impl ButtonCommon for ToggleButton {
 }
 
 impl RenderOnce for ToggleButton {
-    type Rendered = ButtonLike;
+    type Output = ButtonLike;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         let is_disabled = self.base.disabled;
         let is_selected = self.base.selected;
 

crates/ui2/src/components/checkbox.rs

@@ -19,9 +19,9 @@ pub struct Checkbox {
 }
 
 impl RenderOnce for Checkbox {
-    type Rendered = gpui::Stateful<Div>;
+    type Output = gpui::Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         let group_id = format!("checkbox_group_{:?}", self.id);
 
         let icon = match self.checked {

crates/ui2/src/components/disclosure.rs

@@ -28,9 +28,9 @@ impl Disclosure {
 }
 
 impl RenderOnce for Disclosure {
-    type Rendered = IconButton;
+    type Output = IconButton;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         IconButton::new(
             self.id,
             match self.is_open {

crates/ui2/src/components/divider.rs

@@ -31,9 +31,9 @@ pub struct Divider {
 }
 
 impl RenderOnce for Divider {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         div()
             .map(|this| match self.direction {
                 DividerDirection::Horizontal => {

crates/ui2/src/components/icon.rs

@@ -196,9 +196,9 @@ pub struct IconElement {
 }
 
 impl RenderOnce for IconElement {
-    type Rendered = Svg;
+    type Output = Svg;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         svg()
             .size(self.size.rems())
             .flex_none()

crates/ui2/src/components/indicator.rs

@@ -45,9 +45,9 @@ impl Indicator {
 }
 
 impl RenderOnce for Indicator {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         div()
             .flex_none()
             .map(|this| match self.style {

crates/ui2/src/components/keybinding.rs

@@ -11,9 +11,9 @@ pub struct KeyBinding {
 }
 
 impl RenderOnce for KeyBinding {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         h_stack()
             .flex_none()
             .gap_2()
@@ -91,9 +91,9 @@ pub struct Key {
 }
 
 impl RenderOnce for Key {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         let single_char = self.key.len() == 1;
 
         div()
@@ -125,9 +125,9 @@ pub struct KeyIcon {
 }
 
 impl RenderOnce for KeyIcon {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         div()
             .w(rems(14. / 16.))
             .child(IconElement::new(self.icon).size(IconSize::Small))

crates/ui2/src/components/label/highlighted_label.rs

@@ -46,9 +46,9 @@ impl LabelCommon for HighlightedLabel {
 }
 
 impl RenderOnce for HighlightedLabel {
-    type Rendered = LabelLike;
+    type Output = LabelLike;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         let highlight_color = cx.theme().colors().text_accent;
 
         let mut highlight_indices = self.highlight_indices.iter().copied().peekable();

crates/ui2/src/components/label/label.rs

@@ -40,9 +40,9 @@ impl LabelCommon for Label {
 }
 
 impl RenderOnce for Label {
-    type Rendered = LabelLike;
+    type Output = LabelLike;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         self.base.child(self.label)
     }
 }

crates/ui2/src/components/label/label_like.rs

@@ -76,9 +76,9 @@ impl ParentElement for LabelLike {
 }
 
 impl RenderOnce for LabelLike {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         div()
             .when(self.strikethrough, |this| {
                 this.relative().child(

crates/ui2/src/components/list/list.rs

@@ -46,9 +46,9 @@ impl ParentElement for List {
 }
 
 impl RenderOnce for List {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         v_stack().w_full().py_1().children(self.header).map(|this| {
             match (self.children.is_empty(), self.toggle) {
                 (false, _) => this.children(self.children),

crates/ui2/src/components/list/list_header.rs

@@ -76,9 +76,9 @@ impl Selectable for ListHeader {
 }
 
 impl RenderOnce for ListHeader {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         h_stack()
             .id(self.label.clone())
             .w_full()

crates/ui2/src/components/list/list_item.rs

@@ -147,9 +147,9 @@ impl ParentElement for ListItem {
 }
 
 impl RenderOnce for ListItem {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         h_stack()
             .id(self.id)
             .w_full()

crates/ui2/src/components/list/list_separator.rs

@@ -6,9 +6,9 @@ use crate::prelude::*;
 pub struct ListSeparator;
 
 impl RenderOnce for ListSeparator {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         div()
             .h_px()
             .w_full()

crates/ui2/src/components/list/list_sub_header.rs

@@ -26,9 +26,9 @@ impl ListSubHeader {
 }
 
 impl RenderOnce for ListSubHeader {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, _cx: &mut WindowContext) -> Self::Output {
         h_stack().flex_1().w_full().relative().py_1().child(
             div()
                 .h_6()

crates/ui2/src/components/popover.rs

@@ -41,9 +41,9 @@ pub struct Popover {
 }
 
 impl RenderOnce for Popover {
-    type Rendered = Div;
+    type Output = Div;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         div()
             .flex()
             .gap_1()

crates/ui2/src/components/popover_menu.rs

@@ -130,7 +130,7 @@ pub struct PopoverMenuState<M> {
 impl<M: ManagedView> Element for PopoverMenu<M> {
     type State = PopoverMenuState<M>;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext,

crates/ui2/src/components/right_click_menu.rs

@@ -60,7 +60,7 @@ pub struct MenuHandleState<M> {
 impl<M: ManagedView> Element for RightClickMenu<M> {
     type State = MenuHandleState<M>;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         element_state: Option<Self::State>,
         cx: &mut WindowContext,

crates/ui2/src/components/tab.rs

@@ -93,9 +93,9 @@ impl ParentElement for Tab {
 }
 
 impl RenderOnce for Tab {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         let (text_color, tab_bg, _tab_hover_bg, _tab_active_bg) = match self.selected {
             false => (
                 cx.theme().colors().text_muted,

crates/ui2/src/components/tab_bar.rs

@@ -89,9 +89,9 @@ impl ParentElement for TabBar {
 }
 
 impl RenderOnce for TabBar {
-    type Rendered = Stateful<Div>;
+    type Output = Stateful<Div>;
 
-    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
+    fn render(self, cx: &mut WindowContext) -> Self::Output {
         const HEIGHT_IN_REMS: f32 = 30. / 16.;
 
         div()

crates/workspace2/src/pane_group.rs

@@ -773,7 +773,7 @@ mod element {
     impl Element for PaneAxisElement {
         type State = Rc<RefCell<Option<usize>>>;
 
-        fn layout(
+        fn request_layout(
             &mut self,
             state: Option<Self::State>,
             cx: &mut ui::prelude::WindowContext,

crates/workspace2/src/workspace2.rs

@@ -4283,7 +4283,7 @@ struct DisconnectedOverlay;
 impl Element for DisconnectedOverlay {
     type State = AnyElement;
 
-    fn layout(
+    fn request_layout(
         &mut self,
         _: Option<Self::State>,
         cx: &mut WindowContext,