macos: hook up paste protection delegate, cancel button

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)
     }
 }