WIP: More advanced example

Cargo.toml

@@ -26,4 +26,4 @@ bevy_utils = { git = "https://github.com/JMS55/bevy", branch = "query_new_12" }
 bevy_window = { git = "https://github.com/JMS55/bevy", branch = "query_new_12" }
 
 [[example]]
-name = "basic"
+name = "demo"

examples/basic.rs

@@ -1,42 +0,0 @@
-use bevy::{
-    app::{App, Startup},
-    core_pipeline::{clear_color::ClearColor, core_2d::Camera2dBundle},
-    ecs::system::{Commands, ResMut},
-    render::color::Color,
-    ui::node_bundles::NodeBundle,
-    DefaultPlugins,
-};
-use bevy_dioxus::{
-    bevy_mod_picking::DefaultPickingPlugins, dioxus::prelude::*, hooks::use_system, DioxusUiBundle,
-    DioxusUiPlugin, DioxusUiRoot,
-};
-
-fn main() {
-    App::new()
-        .add_plugins((DefaultPlugins, DioxusUiPlugin, DefaultPickingPlugins))
-        .add_systems(Startup, |mut commands: Commands| {
-            commands.spawn(DioxusUiBundle {
-                dioxus_ui_root: DioxusUiRoot::new(ui_root),
-                node_bundle: NodeBundle::default(),
-            });
-            commands.spawn(Camera2dBundle::default());
-        })
-        .run();
-}
-
-fn ui_root(cx: Scope) -> Element {
-    let mut count = use_state(cx, || 0);
-    let change_clear_color = use_system(cx, |mut clear_color: ResMut<ClearColor>| {
-        clear_color.0 = Color::RED;
-    });
-
-    render!(
-        div {
-            onclick: move |_| {
-                count += 1;
-                change_clear_color.schedule();
-            },
-            "Count: {count}"
-        }
-    )
-}

examples/demo.rs

@@ -0,0 +1,73 @@
+use bevy::{
+    app::{App, Startup},
+    core::DebugName,
+    core_pipeline::core_2d::Camera2dBundle,
+    ecs::{entity::Entity, query::Without, system::Commands},
+    ui::{node_bundles::NodeBundle, Node},
+    DefaultPlugins,
+};
+use bevy_dioxus::{
+    bevy_mod_picking::DefaultPickingPlugins, colors::*, dioxus::prelude::*, hooks::*,
+    DioxusUiBundle, DioxusUiPlugin, DioxusUiRoot,
+};
+
+fn main() {
+    App::new()
+        .add_plugins((DefaultPlugins, DioxusUiPlugin, DefaultPickingPlugins))
+        .add_systems(Startup, |mut commands: Commands| {
+            commands.spawn(DioxusUiBundle {
+                dioxus_ui_root: DioxusUiRoot::new(Editor),
+                node_bundle: NodeBundle::default(),
+            });
+            commands.spawn(Camera2dBundle::default());
+        })
+        .run();
+}
+
+#[component]
+fn Editor(cx: Scope) -> Element {
+    let selected_entity = use_state(cx, || Option::<Entity>::None);
+
+    render! {
+        SceneTree { selected_entity: selected_entity }
+        EntityInspector { selected_entity: selected_entity }
+    }
+}
+
+#[component]
+fn SceneTree<'a>(cx: Scope, selected_entity: &'a UseState<Option<Entity>>) -> Element {
+    let entities = use_query_filtered::<(Entity, DebugName), Without<Node>>(cx);
+    let entities = entities.query();
+    let mut entities = entities.into_iter().collect::<Vec<_>>();
+    entities.sort_by_key(|(entity, _)| *entity);
+
+    render! {
+        div {
+            flex_direction: "column",
+            if entities.is_empty() {
+                rsx! { "No entities exist" }
+            } else {
+                rsx! {
+                    for (entity, name) in entities {
+                        div {
+                            onclick: move |_| selected_entity.set(Some(entity)),
+                            background_color: if Some(entity) == ***selected_entity { INDIGO_600 } else { NEUTRAL_800 },
+                            format!("{name:?}")
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+#[component]
+fn EntityInspector<'a>(cx: Scope, selected_entity: &'a UseState<Option<Entity>>) -> Element {
+    render! {
+        if selected_entity.is_none() {
+            "Select an entity to view its components"
+        } else {
+            "TODO: Component widgets"
+        }
+    }
+}

src/apply_mutations.rs

@@ -3,6 +3,7 @@ use bevy::{
     ecs::{entity::Entity, system::Commands},
     hierarchy::BuildChildren,
     prelude::default,
+    render::color::Color,
     text::{Text, TextStyle},
     ui::{
         node_bundles::{NodeBundle, TextBundle},
@@ -111,7 +112,10 @@ pub struct BevyTemplate {
 }
 
 enum BevyTemplateNode {
-    Node { style: Style, children: Box<[Self]> },
+    Node {
+        style: (Style, BackgroundColor),
+        children: Box<[Self]>,
+    },
     TextNode(Text),
 }
 
@@ -150,7 +154,7 @@ impl BevyTemplateNode {
                 Self::TextNode(Text::from_section(*text, TextStyle::default()))
             }
             TemplateNode::Dynamic { id: _ } => Self::Node {
-                style: Style::default(),
+                style: Default::default(),
                 children: Box::new([]),
             },
             TemplateNode::DynamicText { id: _ } => {
@@ -166,17 +170,23 @@ impl BevyTemplateNode {
         children_to_parent: &mut EntityHashMap<Entity, Entity>,
     ) -> Entity {
         match self {
-            BevyTemplateNode::Node { style, children } => {
+            BevyTemplateNode::Node {
+                style: (style, background_color),
+                children,
+            } => {
                 // TODO: Can probably use with_children() instead
                 let children = children
                     .iter()
                     .map(|child| child.spawn(commands, parent_to_children, children_to_parent))
                     .collect::<Box<[_]>>();
                 let parent = commands
-                    .spawn(NodeBundle {
+                    .spawn((
+                        NodeBundle {
                             style: style.clone(),
                             ..default()
-                    })
+                        },
+                        background_color.clone(),
+                    ))
                     .push_children(&children)
                     .id();
                 for (i, child) in children.iter().enumerate() {
@@ -195,8 +205,9 @@ impl BevyTemplateNode {
     }
 }
 
-fn parse_style_attributes(attributes: &[TemplateAttribute]) -> Style {
+fn parse_style_attributes(attributes: &[TemplateAttribute]) -> (Style, BackgroundColor) {
     let mut style = Style::default();
+    let mut backgroud_color = BackgroundColor::default();
     for attribute in attributes {
         if let TemplateAttribute::Static {
             name,
@@ -211,9 +222,15 @@ fn parse_style_attributes(attributes: &[TemplateAttribute]) -> Style {
                 ("display", "none") => style.display = Display::None,
                 ("position", "relative") => style.position_type = PositionType::Relative,
                 ("position", "absolute") => style.position_type = PositionType::Absolute,
+                ("flex-direction", "column") => style.flex_direction = FlexDirection::Column,
+                ("background-color", hex) => {
+                    backgroud_color.0 = Color::hex(hex).expect(&format!(
+                        "Encountered unsupported bevy_dioxus background-color `{value}`."
+                    ))
+                }
                 _ => panic!("Encountered unsupported bevy_dioxus attribute `{name}: {value}`."),
             }
         }
     }
-    style
+    (style, backgroud_color)
 }

src/colors.rs

@@ -0,0 +1,3 @@
+pub const NEUTRAL_800: &'static str = "#27272a";
+
+pub const INDIGO_600: &'static str = "#4f46e5";

src/lib.rs

@@ -1,4 +1,5 @@
 mod apply_mutations;
+pub mod colors;
 mod deferred_system;
 mod events;
 pub mod hooks;