Make `equalize_splits` action only affect current window

2 files changed, 17 insertions, 7 deletions

diff --git a/macos/Sources/Features/Terminal/TerminalController.swift b/macos/Sources/Features/Terminal/TerminalController.swift
index 8118103d6..25ec07ba9 100644
--- a/macos/Sources/Features/Terminal/TerminalController.swift
+++ b/macos/Sources/Features/Terminal/TerminalController.swift
@@ -76,6 +76,12 @@ class TerminalController: BaseTerminalController {
             selector: #selector(onFrameDidChange),
             name: NSView.frameDidChangeNotification,
             object: nil)
+        center.addObserver(
+            self,
+            selector: #selector(onEqualizeSplits),
+            name: Ghostty.Notification.didEqualizeSplits,
+            object: nil
+        )
     }
 
     required init?(coder: NSCoder) {
@@ -801,6 +807,17 @@ class TerminalController: BaseTerminalController {
         toggleFullscreen(mode: fullscreenMode)
     }
 
+    @objc private func onEqualizeSplits(_ notification: Notification) {
+        guard let target = notification.object as? Ghostty.SurfaceView else { return }
+
+        // Check if target surface is in current controller's tree
+        guard surfaceTree?.contains(view: target) ?? false else { return }
+
+        if case .split(let container) = surfaceTree {
+            _ = container.equalize()
+        }
+    }
+
     struct DerivedConfig {
         let backgroundColor: Color
         let macosTitlebarStyle: String
diff --git a/macos/Sources/Ghostty/Ghostty.TerminalSplit.swift b/macos/Sources/Ghostty/Ghostty.TerminalSplit.swift
index cec178245..127c925e1 100644
--- a/macos/Sources/Ghostty/Ghostty.TerminalSplit.swift
+++ b/macos/Sources/Ghostty/Ghostty.TerminalSplit.swift
@@ -50,7 +50,6 @@ extension Ghostty {
         var body: some View {
             let center = NotificationCenter.default
             let pubZoom = center.publisher(for: Notification.didToggleSplitZoom)
-            let pubEqualize = center.publisher(for: Notification.didEqualizeSplits)
 
             // If we're zoomed, we don't render anything, we are transparent. This
             // ensures that the View stays around so we don't lose our state, but
@@ -76,7 +75,6 @@ extension Ghostty {
                             container: container
                         )
                         .onReceive(pubZoom) { onZoom(notification: $0) }
-                        .onReceive(pubEqualize) { onEqualize(notification: $0) }
                     }
                 }
                 .navigationTitle(surfaceTitle ?? "Ghostty")
@@ -137,11 +135,6 @@ extension Ghostty {
                 }
             }
         }
-
-        func onEqualize(notification: SwiftUI.Notification) {
-            guard case .split(let c) = node else { return }
-            _ = c.equalize()
-        }
     }
 
     /// A noSplit leaf node of a split tree.