Revise feature configurations, test targets; remove Harfbuzz

.github/workflows/test.yml

@@ -28,15 +28,15 @@ jobs:
       - name: Build docs
         run: |
           cargo doc --all --no-deps
-          cargo doc --all-features --all --no-deps
+          cargo doc --features nightly --all --no-deps
       - name: Test kas-macros
         run: |
           cargo test --manifest-path crates/kas-macros/Cargo.toml
           cargo test --manifest-path crates/kas-macros/Cargo.toml --all-features
       - name: Test kas-core
         run: |
-          cargo test --manifest-path crates/kas-core/Cargo.toml --features winit,x11
-          cargo test --manifest-path crates/kas-core/Cargo.toml --all-features
+          cargo test --manifest-path crates/kas-core/Cargo.toml --features minimal
+          cargo test --manifest-path crates/kas-core/Cargo.toml --features nightly
       - name: Test kas-widgets
         run: |
           cargo test --manifest-path crates/kas-widgets/Cargo.toml --features kas/winit,kas/wayland
@@ -55,9 +55,9 @@ jobs:
           cargo test --manifest-path crates/kas-dylib/Cargo.toml --features kas-core/winit,kas-core/wayland
           cargo test --manifest-path crates/kas-dylib/Cargo.toml --all-features --features kas-core/winit,kas-core/x11
       - name: Test kas
-        run: |
-          cargo test
-          cargo test --all-features
+        run: cargo test --features nightly
+      - name: Test kas (experimental)
+        run: cargo test --features nightly,experimental
       - name: Test examples/mandlebrot
         run: cargo test --manifest-path examples/mandlebrot/Cargo.toml
 

Cargo.toml

@@ -29,12 +29,13 @@ rustdoc-args = ["--cfg", "doc_cfg"]
 # markdown, resvg. Recommended also: clipboard, yaml (or some config format).
 minimal = ["wgpu", "winit", "wayland"]
 # All recommended features for optimal experience
-default = ["minimal", "x11", "view", "image", "resvg", "clipboard", "markdown", "shaping", "spawn"]
+default = ["minimal", "view", "image", "resvg", "clipboard", "markdown", "shaping", "spawn"]
 # All standard test target features
-# NOTE: dynamic is excluded due to linker problems on Windows
-stable = ["default", "serde", "toml", "yaml", "json", "ron", "macros_log"]
-# Enables "recommended" unstable features
-nightly = ["min_spec"]
+stable = ["default", "x11", "serde", "toml", "yaml", "json", "ron", "macros_log"]
+# Enables all "recommended" features for nightly rustc
+nightly = ["stable", "min_spec"]
+# Additional, less recommendation-worthy features
+experimental = ["dark-light", "recursive-layout-widgets", "unsafe_node"]
 
 # Enable dynamic linking (faster linking via an extra run-time dependency):
 dynamic = ["dep:kas-dylib"]
@@ -66,8 +67,6 @@ markdown = ["kas-core/markdown"]
 
 # Enable text shaping
 shaping = ["kas-core/shaping"]
-# Alternative: use Harfbuzz library for shaping
-harfbuzz = ["kas-core/harfbuzz"]
 
 # Enable serde support (mainly config read/write)
 serde = ["kas-core/serde"]

crates/kas-core/Cargo.toml

@@ -17,8 +17,15 @@ features = ["stable"]
 rustdoc-args = ["--cfg", "doc_cfg"]
 
 [features]
-# All features usable on stable rust
-stable = ["winit", "x11", "wayland", "markdown", "yaml", "json", "ron", "shaping", "clipboard", "spawn", "dark-light", "serde"]
+# The minimal feature set needed to build basic applications (with assumptions
+# about target platforms).
+minimal = ["winit", "wayland"]
+# All standard test target features
+stable = ["minimal", "clipboard", "markdown", "shaping", "spawn", "x11", "serde", "toml", "yaml", "json", "ron", "macros_log"]
+# Enables all "recommended" features for nightly rustc
+nightly = ["stable"]
+# Additional, less recommendation-worthy features
+experimental = ["dark-light", "recursive-layout-widgets", "unsafe_node"]
 
 # Use full specialization
 spec = []
@@ -34,8 +41,6 @@ markdown = ["kas-text/markdown"]
 
 # Enable text shaping
 shaping = ["kas-text/shaping"]
-# Alternative: use Harfbuzz library for shaping
-harfbuzz = ["kas-text/harfbuzz"]
 
 # Enable support for YAML (de)serialisation
 yaml = ["serde", "dep:serde_yaml"]