Menu bar: sweeping glow on the mark instead of the in-flight dot

src-tauri/Cargo.toml

@@ -131,6 +131,8 @@ objc2-foundation = "0.3"
 objc2-user-notifications = "0.3"
 # 菜单栏自己持有 NSStatusItem 和 NSMenu（见 `menubar/macos.rs`）。和 Tauri 用的是同一版
 objc2-app-kit = "0.3"
+# 菜单栏上的流光是图层遮罩上的动画（见 `menubar/macos.rs` 的 `glow`）
+objc2-quartz-core = { version = "0.3", default-features = false, features = ["std", "objc2-core-graphics", "CABase", "CALayer", "CAAnimation", "CAMediaTiming", "CATransaction"] }
 # 菜单开着时主线程在事件跟踪模式，更新要走 GCD 的主队列才执行得到
 dispatch2 = "0.3"
 # 更新包是 DMG，而更新器插件只装 `.app.tar.gz`：挂上映像，把里面的 `.app`

src-tauri/examples/menubar_preview.rs

@@ -5,6 +5,8 @@
 //! cargo run --manifest-path src-tauri/Cargo.toml --example menubar_preview -- --png <目录>
 //! # 再加上菜单栏那一块的三档
 //! cargo run --manifest-path src-tauri/Cargo.toml --example menubar_preview -- --png <目录> --bars
+//! # 只导出有请求在跑时的流光，一圈 54 帧（30 帧/秒）
+//! cargo run --manifest-path src-tauri/Cargo.toml --example menubar_preview -- --png <目录> --glow
 //! # 挂到菜单栏上，点开看真的菜单。Ctrl-C 退出
 //! cargo run --manifest-path src-tauri/Cargo.toml --example menubar_preview -- busy
 //! ```
@@ -62,6 +64,24 @@ fn main() {
                 }
             }
         }
+        if args.iter().any(|a| a == "--glow") {
+            // 有请求在跑时菜单栏那一块的流光，一圈按 30 帧/秒导出成一串
+            let bar = model::build(&snapshot("busy"), style).0;
+            for i in 0..54 {
+                let phase = f64::from(i) / 30.0 / 1.3;
+                for dark in [true, false] {
+                    let path = dir.join(format!(
+                        "glow-{}-{i:02}.png",
+                        if dark { "dark" } else { "light" }
+                    ));
+                    macos::preview::write_png(
+                        &macos::preview::preview_frame(&bar, &[], dark, phase),
+                        &path,
+                    );
+                }
+            }
+            return;
+        }
         if !args.iter().any(|a| a == "--bars") {
             return;
         }

src-tauri/examples/menubar_shots.rs

@@ -187,7 +187,7 @@ fn main() {
     // 菜单栏上的那一块：一段菜单栏底色，模板图照系统的样子染成黑或白
     let (bar, _) = model::build(&snapshot(), model::Style::Full);
     for dark in [false, true] {
-        let item = macos::bar_image(&bar);
+        let item = macos::bar_image(&bar, Some(0.5));
         let size = item.size();
         let (w, h) = ((size.width + 28.0).ceil(), 32.0);
         let block = RcBlock::new(move |_: NSRect| -> Bool {