From 5e2bed62b304c2b9b6c1325adfa836b90715d34f Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 19 Oct 2023 20:48:38 -0700
Subject: [PATCH] macos: terminal inspector control

---
 macos/Sources/Ghostty/InspectorView.swift | 60 ++++++++++++++++++++---
 macos/Sources/Ghostty/SurfaceView.swift   |  5 +-
 2 files changed, 57 insertions(+), 8 deletions(-)

diff --git a/macos/Sources/Ghostty/InspectorView.swift b/macos/Sources/Ghostty/InspectorView.swift
index 97952352b..9f1590825 100644
--- a/macos/Sources/Ghostty/InspectorView.swift
+++ b/macos/Sources/Ghostty/InspectorView.swift
@@ -10,14 +10,60 @@ extension Ghostty {
         @ObservedObject var surfaceView: SurfaceView
         var isSplit: Bool = false
         
+        // Maintain whether our view has focus or not
+        @FocusState private var inspectorFocus: Bool
+        
         var body: some View {
-            SplitView(.vertical, left: {
-                SurfaceWrapper(surfaceView: surfaceView, isSplit: isSplit)
-            }, right: {
-                InspectorViewRepresentable(surfaceView: surfaceView)
-                    .focusedValue(\.ghosttySurfaceTitle, surfaceView.title)
-                    .focusedValue(\.ghosttySurfaceView, surfaceView)
-            })
+            let center = NotificationCenter.default
+            let pubInspector = center.publisher(for: Notification.didControlInspector, object: surfaceView)
+            
+            ZStack {
+                if (!surfaceView.inspectorVisible) {
+                    SurfaceWrapper(surfaceView: surfaceView, isSplit: isSplit)
+                } else {
+                    SplitView(.vertical, left: {
+                        SurfaceWrapper(surfaceView: surfaceView, isSplit: isSplit)
+                    }, right: {
+                        InspectorViewRepresentable(surfaceView: surfaceView)
+                            .focused($inspectorFocus)
+                            .focusedValue(\.ghosttySurfaceTitle, surfaceView.title)
+                            .focusedValue(\.ghosttySurfaceView, surfaceView)
+                    })
+                }
+            }
+            .onReceive(pubInspector) { onControlInspector($0) }
+        }
+        
+        private func onControlInspector(_ notification: SwiftUI.Notification) {
+            // Determine our mode
+            guard let modeAny = notification.userInfo?["mode"] else { return }
+            guard let mode = modeAny as? ghostty_inspector_mode_e else { return }
+            
+            switch (mode) {
+            case GHOSTTY_INSPECTOR_TOGGLE:
+                surfaceView.inspectorVisible = !surfaceView.inspectorVisible
+                
+            case GHOSTTY_INSPECTOR_SHOW:
+                surfaceView.inspectorVisible = true
+                
+            case GHOSTTY_INSPECTOR_HIDE:
+                surfaceView.inspectorVisible = false
+                
+            default:
+                return
+            }
+            
+            // When we show the inspector, we want to focus on the inspector.
+            // When we hide the inspector, we want to move focus back to the surface.
+            if (surfaceView.inspectorVisible) {
+                // We need to delay this until SwiftUI shows the inspector.
+                DispatchQueue.main.async {
+                    _ = surfaceView.resignFirstResponder()
+                    inspectorFocus = true
+                }
+            } else {
+                Ghostty.moveFocus(to: surfaceView)
+            }
         }
     }
     
diff --git a/macos/Sources/Ghostty/SurfaceView.swift b/macos/Sources/Ghostty/SurfaceView.swift
index e4a89ec2e..63596299c 100644
--- a/macos/Sources/Ghostty/SurfaceView.swift
+++ b/macos/Sources/Ghostty/SurfaceView.swift
@@ -41,7 +41,7 @@ extension Ghostty {
         // True if this surface is part of a split view. This is important to know so
         // we know whether to dim the surface out of focus.
         var isSplit: Bool = false
-
+        
         // Maintain whether our view has focus or not
         @FocusState private var surfaceFocus: Bool
 
@@ -252,6 +252,9 @@ extension Ghostty {
             return ghostty_surface_inspector(surface)
         }
         
+        // True if the inspector should be visible
+        @Published var inspectorVisible: Bool = false
+        
         private(set) var surface: ghostty_surface_t?
         var error: Error? = nil