Reworked proxy icon, added config options.

macos/Sources/Features/Terminal/BaseTerminalController.swift

@@ -236,8 +236,14 @@ class BaseTerminalController: NSWindowController,
         // Set the main window title
         window.title = to
         
+    }
+    
+    func proxyIconURLDidChange(to: URL?){
+        
+        guard let window else { return }
+        
         // Get the current working directory from the focused surface
-        if let pwd = focusedSurface?.pwd {
+        if ghostty.config.macosTitlebarProxyIcon == "visible", let pwd = focusedSurface?.pwd {
             // Set the window's representedURL to the current working directory
             window.representedURL = URL(fileURLWithPath: pwd)
         } else {

macos/Sources/Features/Terminal/TerminalController.swift

@@ -308,6 +308,10 @@ class TerminalController: BaseTerminalController {
             window.standardWindowButton(.miniaturizeButton)?.isHidden = true
             window.standardWindowButton(.zoomButton)?.isHidden = true
             
+            // Hide document icon button(proxy icon)
+            window.representedURL = nil
+            window.standardWindowButton(.documentIconButton)?.isHidden = true
+
             // Disallow tabbing if the titlebar is hidden, since that will (should) also hide the tab bar.
             window.tabbingMode = .disallowed
         }

macos/Sources/Features/Terminal/TerminalView.swift

@@ -11,6 +11,9 @@ protocol TerminalViewDelegate: AnyObject {
     /// The title of the terminal should change.
     func titleDidChange(to: String)
     
+    /// The URL of the proxy icon should change.
+    func proxyIconURLDidChange(to: URL?)
+
     /// The cell size changed.
     func cellSizeDidChange(to: NSSize)
 
@@ -63,6 +66,14 @@ struct TerminalView<ViewModel: TerminalViewModel>: View {
         return title
     }
     
+    // The proxy icon URL for our window
+    private var proxyIconURL: URL? {
+        guard let proxyURLString = focusedSurface?.pwd else {
+            return nil
+        }
+        return URL(string: proxyURLString)
+    }
+    
     var body: some View {
         switch ghostty.readiness {
         case .loading:
@@ -87,6 +98,10 @@ struct TerminalView<ViewModel: TerminalViewModel>: View {
                     .onChange(of: title) { newValue in
                         self.delegate?.titleDidChange(to: newValue)
                     }
+                    .onChange(of: proxyIconURL) { newValue in
+                        self.delegate?.proxyIconURLDidChange(to: newValue)
+                        
+                    }
                     .onChange(of: cellSize) { newValue in
                         guard let size = newValue else { return }
                         self.delegate?.cellSizeDidChange(to: size)

macos/Sources/Ghostty/Ghostty.Config.swift

@@ -229,6 +229,16 @@ extension Ghostty {
             return String(cString: ptr)
         }
         
+        var macosTitlebarProxyIcon: String {
+            let defaultValue = "visible"
+            guard let config = self.config else { return defaultValue }
+            var v: UnsafePointer<Int8>? = nil
+            let key = "macos-titlebar-proxy-icon"
+            guard ghostty_config_get(config, &v, key, UInt(key.count)) else { return defaultValue }
+            guard let ptr = v else { return defaultValue }
+            return String(cString: ptr)
+        }
+
         var macosWindowShadow: Bool {
             guard let config = self.config else { return false }
             var v = false;