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FocusTrafficLight

A macOS menu bar app that automatically manages window focus recovery.

Features

• Automatic Focus Recovery: When a window is closed or minimized, automatically focuses on the topmost valid window
• Smart Guard System: Four-layer validation ensures focus is only recovered when truly needed
  • Finder Quick Look detection (no interference during file preview)
  • Frontmost app visible window detection (skip for dialog/panel scenarios)
  • Current focused window validity verification
  • Recovery target strict validation
• Multi-window App Support: Precise window targeting through bounds matching
• Menu Bar Control: Clean menu bar interface with one-click toggle

Requirements

• macOS (tested on macOS 15, others untested)
• Accessibility permission required

Installation

1. Download Focus TrafficLight.zip
2. Extract and drag to Applications folder
3. Grant Accessibility permission on first launch, restart the app after granting permission

Usage

• Click menu bar icon to view status
• "Enable Focus" toggle to enable/disable focus recovery
• "Launch at Login" to set startup behavior

Privacy

This app requires Accessibility permission to monitor window events. The permission is only used for focus management. No user data is collected or transmitted.