Add SimpleTopBar menu bar app with collapsible background app list

2026-09-26 22:37:09 +08:00
commit 41a5917b42
12 changed files with 843 additions and 0 deletions
@@ -0,0 +1,50 @@
+import AppKit
+
+/// Headless verification for `swift run SimpleTopBar --self-test`.
+/// Exercises the background-app overflow helpers and reports the live split
+/// between regular and background applications, then exits 0/1.
+func runSelfTest() {
+    var failures = 0
+
+    func check(_ condition: Bool, _ label: String) {
+        print((condition ? "PASS" : "FAIL") + ": " + label)
+        if !condition { failures += 1 }
+    }
+
+    // clampedVisibleCount never exceeds the total and never goes negative.
+    check(AppListModel.clampedVisibleCount(current: 10, total: 3) == 3, "clamp caps at total")
+    check(AppListModel.clampedVisibleCount(current: -2, total: 5) == 0, "clamp floors at zero")
+    check(AppListModel.clampedVisibleCount(current: 2, total: 5) == 2, "clamp keeps valid value")
+
+    // nextVisibleCount pages by backgroundPageSize and stops at the total.
+    let page = AppListModel.backgroundPageSize
+    check(AppListModel.nextVisibleCount(current: page, total: 100) == page * 2, "show more pages forward")
+    check(AppListModel.nextVisibleCount(current: 4, total: 5) == 5, "show more stops at total")
+    check(AppListModel.nextVisibleCount(current: 5, total: 5) == 5, "show more is a no-op at the end")
+
+    // The section reveals exactly `min(visibleCount, total)` entries.
+    let apps = (0..<12).map { index in
+        RunningApp(
+            id: pid_t(index + 1),
+            name: "App \(index)",
+            bundleID: nil,
+            icon: NSImage(),
+            isHidden: false,
+            isActive: false
+        )
+    }
+    let hidden = max(0, apps.count - 3)
+    check(hidden == 9, "overflow count hides the tail")
+
+    // Live snapshot: the split must cover every running app exactly once.
+    let running = NSWorkspace.shared.runningApplications.filter {
+        $0.bundleIdentifier != Bundle.main.bundleIdentifier
+    }
+    let regular = running.filter { $0.activationPolicy == .regular }.count
+    let background = running.filter { $0.activationPolicy != .regular }.count
+    print("running=\(running.count) regular=\(regular) background=\(background)")
+    check(regular + background == running.count, "every running app is classified")
+
+    print(failures == 0 ? "ALL PASS" : "\(failures) FAILURE(S)")
+    exit(failures == 0 ? 0 : 1)
+}