macos: hook up paste protection delegate, cancel button

macos/Sources/Features/Paste Protection/PasteProtectionController.swift

@@ -6,10 +6,24 @@ import GhosttyKit
 class PasteProtectionController: NSWindowController {
     override var windowNibName: NSNib.Name? { "PasteProtection" }
     
+    weak private var delegate: PasteProtectionViewDelegate? = nil
+    
+    init(delegate: PasteProtectionViewDelegate) {
+        self.delegate = delegate
+        super.init(window: nil)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) is not supported for this view")
+    }
+    
     //MARK: - NSWindowController
     
     override func windowDidLoad() {
         guard let window = window else { return }
-        window.contentView = NSHostingView(rootView: PasteProtectionView())
+        window.contentView = NSHostingView(rootView: PasteProtectionView(
+            contents: "Hello",
+            delegate: delegate
+        ))
     }
 }

macos/Sources/Features/Paste Protection/PasteProtectionView.swift

@@ -1,18 +1,57 @@
 import SwiftUI
 
+protocol PasteProtectionViewDelegate: AnyObject {
+    func pasteProtectionComplete(_ action: PasteProtectionView.Action)
+}
+
 struct PasteProtectionView: View {
+    enum Action : String {
+        case cancel
+        case paste
+    }
+    
+    let contents: String
+    weak var delegate: PasteProtectionViewDelegate? = nil
+    
     var body: some View {
-        HStack {
-            Image("AppIconImage")
-                .resizable()
-                .scaledToFit()
-                .frame(width: 128, height: 128)
-            
-            VStack(alignment: .leading) {
-                Text("Oh, no. 😭").font(.title)
-                Text("Something went fatally wrong.\nCheck the logs and restart Ghostty.")
+        VStack {
+            HStack {
+                Image(systemName: "exclamationmark.triangle.fill")
+                    .foregroundColor(.yellow)
+                    .font(.system(size: 42))
+                    .padding()
+                    .frame(alignment: .center)
+                
+                Text("Pasting this text to the terminal may be dangerous as it looks like " +
+                     "some commands may be executed.")
+                    .frame(maxWidth: .infinity, alignment: .leading)
+                    .padding()
             }
+            
+            TextEditor(text: .constant(contents))
+                .disabled(true)
+                .textSelection(.enabled)
+                .font(.system(.body, design: .monospaced))
+                .padding(.all, 4)
+            
+            HStack {
+                Spacer()
+                Button("Cancel") { onCancel() }
+                    .keyboardShortcut(.cancelAction)
+                Button("Paste") { onPaste() }
+                    .keyboardShortcut(.defaultAction)
+                Spacer()
+            }
+            .padding(.bottom)
         }
-        .padding()
+    }
+    
+    private func onCancel() {
+        AppDelegate.logger.warning("PASTE onCancel")
+        delegate?.pasteProtectionComplete(.cancel)
+    }
+    
+    private func onPaste() {
+        delegate?.pasteProtectionComplete(.paste)
     }
 }

macos/Sources/Features/Terminal/TerminalController.swift

@@ -4,7 +4,10 @@ import SwiftUI
 import GhosttyKit
 
 /// The terminal controller is an NSWindowController that maps 1:1 to a terminal window.
-class TerminalController: NSWindowController, NSWindowDelegate, TerminalViewDelegate, TerminalViewModel {
+class TerminalController: NSWindowController, NSWindowDelegate, 
+                          TerminalViewDelegate, TerminalViewModel,
+                          PasteProtectionViewDelegate
+{
     override var windowNibName: NSNib.Name? { "Terminal" }
     
     /// The app instance that this terminal view will represent.
@@ -28,6 +31,9 @@ class TerminalController: NSWindowController, NSWindowDelegate, TerminalViewDele
     /// True when an alert is active so we don't overlap multiple.
     private var alert: NSAlert? = nil
     
+    /// The paste protection window, if shown.
+    private var pasteProtection: NSWindow? = nil
+    
     init(_ ghostty: Ghostty.AppState, withBaseConfig base: Ghostty.SurfaceConfiguration? = nil) {
         self.ghostty = ghostty
         super.init(window: nil)
@@ -117,7 +123,8 @@ class TerminalController: NSWindowController, NSWindowDelegate, TerminalViewDele
         ))
         
         // TODO: remove this, just for dev
-        let pp = PasteProtectionController()
+        let pp = PasteProtectionController(delegate: self)
+        self.pasteProtection = pp.window
         window.beginSheet(pp.window!)
     }
     
@@ -313,6 +320,17 @@ class TerminalController: NSWindowController, NSWindowDelegate, TerminalViewDele
         self.window?.close()
     }
     
+    //MARK: - PasteProtectionViewDelegate
+    
+    func pasteProtectionComplete(_ action: PasteProtectionView.Action) {
+        if let pasteWindow = self.pasteProtection {
+            window?.endSheet(pasteWindow)
+            self.pasteProtection = nil
+        }
+        
+        AppDelegate.logger.warning("PASTE action=\(action.rawValue)")
+    }
+    
     //MARK: - Notifications
     
     @objc private func onGotoTab(notification: SwiftUI.Notification) {

macos/Sources/Features/Terminal/TerminalView.swift

@@ -4,7 +4,7 @@ import GhosttyKit
 /// This delegate is notified of actions and property changes regarding the terminal view. This
 /// delegate is optional and can be used by a TerminalView caller to react to changes such as
 /// titles being set, cell sizes being changed, etc.
-protocol TerminalViewDelegate: AnyObject, ObservableObject {
+protocol TerminalViewDelegate: AnyObject {
     /// Called when the currently focused surface changed. This can be nil.
     func focusedSurfaceDidChange(to: Ghostty.SurfaceView?)