Decouple style engine

.gitignore

@@ -3,6 +3,7 @@
 /.lapce
 /.idea
 /.zed
+/.claude
 .DS_Store
 rustc-ice*
 *.orig

Cargo.toml

@@ -8,6 +8,7 @@ members = [
   "tiny_skia",
   "reactive",
   "editor-core",
+  "style",
   "examples/*",
   "ui-events-winit",
   "test",
@@ -21,6 +22,7 @@ default-members = [
   "tiny_skia",
   "reactive",
   "editor-core",
+  "style",
   "ui-events-winit",
   "test",
 ]
@@ -96,6 +98,7 @@ floem_vello_renderer = { path = "vello", version = "0.2.0", optional = true }
 floem_vger_renderer = { path = "vger", version = "0.2.0", optional = true }
 floem_tiny_skia_renderer = { path = "tiny_skia", version = "0.2.0" }
 floem_reactive = { path = "reactive", version = "0.2.0" }
+floem_style = { path = "style", version = "0.2.0" }
 floem-editor-core = { path = "editor-core", version = "0.2.0", optional = true }
 copypasta = { version = "0.10", default-features = false, features = [
   "wayland",
@@ -185,7 +188,7 @@ image-webp = ["image/webp"]
 tokio = ["dep:tokio"]
 # rfd (file dialog) async runtime
 crossbeam = ["dep:crossbeam", "floem_renderer/crossbeam"]
-localization = ["dep:fluent-bundle", "dep:unic-langid", "dep:sys-locale", "dep:ouroboros"]
+localization = ["dep:fluent-bundle", "dep:unic-langid", "dep:sys-locale", "dep:ouroboros", "floem_style/localization"]
 
 [dev-dependencies]
 criterion = { version = "0.8.1", features = ["html_reports"] }

editor-core/Cargo.toml

@@ -11,6 +11,7 @@ serde = { workspace = true, optional = true }
 strum = { workspace = true }
 strum_macros = { workspace = true }
 ui-events.workspace = true
+floem_style = { path = "../style", version = "0.2.0" }
 
 lapce-xi-rope = { workspace = true }
 

editor-core/src/indent.rs

@@ -25,6 +25,17 @@ impl std::fmt::Display for IndentStyle {
     }
 }
 
+impl floem_style::StylePropValue for IndentStyle {}
+
+impl floem_style::PropDebugView for IndentStyle {
+    fn debug_view(
+        &self,
+        r: &dyn floem_style::InspectorRender,
+    ) -> Option<Box<dyn std::any::Any>> {
+        Some(r.text(&self.to_string()))
+    }
+}
+
 impl IndentStyle {
     pub const LONGEST_INDENT: &'static str = "        "; // 8 spaces
     pub const DEFAULT_INDENT: IndentStyle = IndentStyle::Spaces(4);

renderer/Cargo.toml

@@ -16,6 +16,7 @@ winit = { workspace = true }
 wgpu = { workspace = true }
 crossbeam = { version = "0.8", optional = true }
 futures = "0.3.32"
+floem_style = { path = "../style", version = "0.2.0" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen-futures = { version = "0.4" }

renderer/src/text/attrs.rs

@@ -106,52 +106,7 @@ impl FamilyOwned {
     }
 }
 
-/// Specifies how line height is computed for text layout.
-///
-/// # Example
-///
-/// ```
-/// use floem_renderer::text::{Attrs, LineHeightValue};
-///
-/// // 1.5x the font size (e.g. 24px for a 16px font).
-/// let attrs = Attrs::new().line_height(LineHeightValue::Normal(1.5));
-///
-/// // Fixed 20-point line height regardless of font size.
-/// let attrs = Attrs::new().line_height(LineHeightValue::Pt(20.0));
-/// ```
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub enum LineHeightValue {
-    /// A multiplier of the font size (e.g. `1.0` means line height equals font size).
-    Normal(f32),
-    /// An absolute line height in points.
-    Pt(f32),
-}
-impl LineHeightValue {
-    pub fn resolve(&self, font_size: f32) -> f32 {
-        match self {
-            LineHeightValue::Pt(value) => *value,
-            LineHeightValue::Normal(multiplier) => font_size * multiplier,
-        }
-    }
-}
-
-impl From<f32> for LineHeightValue {
-    fn from(value: f32) -> Self {
-        LineHeightValue::Normal(value)
-    }
-}
-
-impl From<f64> for LineHeightValue {
-    fn from(value: f64) -> Self {
-        LineHeightValue::Normal(value as f32)
-    }
-}
-
-impl From<i32> for LineHeightValue {
-    fn from(value: i32) -> Self {
-        LineHeightValue::Normal(value as f32)
-    }
-}
+pub use floem_style::LineHeightValue;
 
 /// Text styling attributes used to configure font properties, color, and layout.
 ///