Leaner objc2

Author: prokopyl

Cargo.toml

@@ -39,12 +39,24 @@ winapi = { version = "0.3.8", features = ["libloaderapi", "winuser", "windef", "
 uuid = { version = "0.8", features = ["v4"], optional = true }
 
 [target.'cfg(target_os="macos")'.dependencies]
-uuid = { version = "0.8", features = ["v4"] }
-# TODO: only enable needed features
+uuid = { version = "1.23.1", features = ["v4"] }
 objc2 = "0.6.4"
-objc2-core-foundation = "0.3.2"
-objc2-foundation = "0.3.2"
-objc2-app-kit = { version = "0.3.2", features = ["objc2-open-gl"] }
+objc2-core-foundation = { version = "0.3.2", default-features = false, features = ["std"] }
+objc2-foundation = { version = "0.3.2", default-features = false, features = ["std", "NSEnumerator"] }
+objc2-app-kit = { version = "0.3.2", default-features = false, features = [
+    "NSApplication",
+    "NSDragging",
+    "NSEvent",
+    "NSGraphics",
+    "NSPasteboard",
+    "NSResponder",
+    "NSRunningApplication",
+    "NSTrackingArea",
+    "NSView",
+    "NSWindow",
+    "objc2-open-gl",
+    "objc2-core-foundation"
+] }
 
 [dev-dependencies]
 rtrb = "0.2"

src/macos/view.rs

@@ -124,7 +124,7 @@ fn create_view_class() -> &'static AnyClass {
     // the class was stored in a OnceCell after creation. This way, we didn't
     // have to recreate it each time a view was opened, but now we don't leave
     // any class definitions lying around when the plugin is closed.
-    let class_name = CString::new(format!("BaseviewNSView_{}", Uuid::new_v4().to_simple()))
+    let class_name = CString::new(format!("BaseviewNSView_{}", Uuid::new_v4().simple()))
         // PANIC: This cannot have any NULL bytes
         .unwrap();