ghostty/macos/Sources/TerminalView.swift

import SwiftUI
import GhosttyKit

struct TerminalView: View {
    let app: ghostty_app_t
    @FocusState private var surfaceFocus: Bool
    @Environment(\.isKeyWindow) private var isKeyWindow: Bool
    @State private var title: String = "Ghostty"
    
    // This is true if the terminal is considered "focused". The terminal is focused if
    // it is both individually focused and the containing window is key.
    private var hasFocus: Bool { surfaceFocus && isKeyWindow }
    
    var body: some View {
        // We use a GeometryReader to get the frame bounds so that our metal surface
        // is up to date. See TerminalSurfaceView for why we don't use the NSView
        // resize callback.
        GeometryReader { geo in
            TerminalSurfaceView(app, hasFocus: hasFocus, size: geo.size, title: $title)
                .focused($surfaceFocus)
                .navigationTitle(title)
        }
    }
}