marcus.hinz
c8f5714b1e
- vendor/libghostty: vorgebaute macOS-libghostty.a (arm64) + Header + Build-Patches + README - Sources/CGhostty: C-Modul der libghostty-C-API - Sources/MiniTerm/Ghostty.swift: GhosttyApp + GhosttySurfaceView (Surface, Input, Größe, Fokus) - main.swift: Engine-Wahl per Info.plist MTEngine - Package.swift: CGhostty-Target + Link gegen libghostty + Frameworks - STATUS.md: Stand, Build-Weg (macOS-15-VM), offene Punkte
243 lines
9.2 KiB
Swift
243 lines
9.2 KiB
Swift
import AppKit
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import SwiftTerm
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// MARK: - Configuration
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//
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// Every value is read from the app bundle's Info.plist, so a single compiled
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// binary can power many different .app bundles (each with its own command,
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// working directory, title and icon). See make-app.sh.
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//
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// MTCommand String Command to run, e.g. "claude". Empty = plain shell.
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// MTWorkingDirectory String Directory to start in. "~" is expanded. Empty = home.
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// MTFontSize Number Font point size (default 13).
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// MTFontName String Font family name (default "Menlo"). Falls back to
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// the system monospaced font if the name is missing.
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// MTWindowTitle String Window title (default = CFBundleName).
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//
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struct AppConfig {
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let command: String
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let workingDirectory: String?
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let fontSize: CGFloat
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let fontName: String
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let windowTitle: String
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let engine: String // "ghostty" (Default) oder "swiftterm"
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static func load() -> AppConfig {
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let info = Bundle.main.infoDictionary ?? [:]
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let cmd = ((info["MTCommand"] as? String) ?? "")
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.trimmingCharacters(in: .whitespacesAndNewlines)
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let engine = ((info["MTEngine"] as? String) ?? "ghostty")
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.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
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var workdir: String? = nil
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if let raw = info["MTWorkingDirectory"] as? String,
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!raw.trimmingCharacters(in: .whitespaces).isEmpty {
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workdir = (raw as NSString).expandingTildeInPath
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}
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let size = (info["MTFontSize"] as? NSNumber)?.doubleValue ?? 13.0
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let fontName = ((info["MTFontName"] as? String) ?? "")
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.trimmingCharacters(in: .whitespacesAndNewlines)
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let title = (info["MTWindowTitle"] as? String)
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?? (info["CFBundleName"] as? String)
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?? "Terminal"
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return AppConfig(command: cmd,
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workingDirectory: workdir,
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fontSize: CGFloat(size),
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fontName: fontName.isEmpty ? "Menlo" : fontName,
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windowTitle: title,
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engine: engine == "swiftterm" ? "swiftterm" : "ghostty")
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}
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}
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// MARK: - App delegate
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final class AppDelegate: NSObject, NSApplicationDelegate, LocalProcessTerminalViewDelegate {
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private var window: NSWindow!
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private var terminalView: LocalProcessTerminalView!
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private var keyMonitor: Any?
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private var ghosttyApp: GhosttyApp?
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private var ghosttyView: GhosttySurfaceView?
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private let config = AppConfig.load()
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func applicationDidFinishLaunching(_ notification: Notification) {
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let frame = NSRect(x: 0, y: 0, width: 900, height: 560)
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window = NSWindow(
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contentRect: frame,
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styleMask: [.titled, .closable, .miniaturizable, .resizable],
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backing: .buffered,
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defer: false)
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window.title = config.windowTitle
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window.setFrameAutosaveName("MiniTermMain")
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window.center()
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// Engine wählen. libghostty (GPU-Renderer) ist Default; SwiftTerm bleibt
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// als Fallback (auch wenn die libghostty-Init scheitert).
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if config.engine == "ghostty", let contentView = setupGhostty(frame: frame) {
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window.contentView = contentView
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window.makeKeyAndOrderFront(nil)
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window.makeFirstResponder(contentView)
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} else {
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setupSwiftTerm(frame: frame)
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}
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setupMenu()
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}
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private func setupGhostty(frame: NSRect) -> NSView? {
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guard let gapp = GhosttyApp() else {
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NSLog("libghostty-Init fehlgeschlagen – Fallback auf SwiftTerm")
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return nil
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}
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ghosttyApp = gapp
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let view = GhosttySurfaceView(ghostty: gapp, appConfig: config, frame: frame)
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ghosttyView = view
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return view
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}
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private func setupSwiftTerm(frame: NSRect) {
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terminalView = LocalProcessTerminalView(frame: frame)
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terminalView.processDelegate = self
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terminalView.font = resolvedFont()
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installKeyMonitor()
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window.contentView = terminalView
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window.makeKeyAndOrderFront(nil)
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window.makeFirstResponder(terminalView)
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launchProcess()
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}
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private func launchProcess() {
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let shell = userShell()
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// We always go through a LOGIN shell (-l) so PATH is set up exactly like
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// in a normal terminal (Homebrew, ~/.local/bin, etc.). Without this,
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// tools like `claude` are often "command not found".
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let args: [String]
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if config.command.isEmpty {
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args = ["-l"]
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} else {
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// Run the requested command, then hand control to an interactive
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// login shell so the window stays open after the command exits.
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args = ["-l", "-c", "\(config.command); exec \(shell) -l"]
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}
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let env = Terminal.getEnvironmentVariables(termName: "xterm-256color", trueColor: true)
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terminalView.startProcess(
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executable: shell,
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args: args,
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environment: env,
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execName: nil,
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currentDirectory: config.workingDirectory)
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}
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// Intercept Shift+Return (and Shift+Enter on the numpad) before it reaches
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// the terminal and send a line feed (\n) instead of the normal carriage
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// return (\r). This lets CLIs like Claude Code insert a newline in
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// multi-line input while plain Enter still submits. We use a local event
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// monitor because SwiftTerm's keyDown(with:) is `public`, not `open`, so it
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// can't be overridden from outside the module.
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private func installKeyMonitor() {
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keyMonitor = NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] event in
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guard let self = self else { return event }
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// Only act when our window is focused and the keyboard focus is in
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// the terminal (the view itself or one of its subviews).
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guard self.window.isKeyWindow else { return event }
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if let responder = self.window.firstResponder as? NSView,
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!(responder === self.terminalView || responder.isDescendant(of: self.terminalView)) {
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return event
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}
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let isReturn = (event.keyCode == 36 || event.keyCode == 76)
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let mods = event.modifierFlags.intersection(.deviceIndependentFlagsMask)
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if isReturn && mods == .shift {
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self.terminalView.send(txt: "\n")
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return nil // consume the event
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}
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return event
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}
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}
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// Resolve the configured font, falling back gracefully so the app never
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// launches with a broken/empty font if the name doesn't exist on the system.
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private func resolvedFont() -> NSFont {
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if let f = NSFont(name: config.fontName, size: config.fontSize) {
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return f
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}
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if let menlo = NSFont(name: "Menlo", size: config.fontSize) {
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return menlo
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}
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return NSFont.monospacedSystemFont(ofSize: config.fontSize, weight: .regular)
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}
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private func userShell() -> String {
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if let shell = ProcessInfo.processInfo.environment["SHELL"], !shell.isEmpty {
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return shell
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}
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return "/bin/zsh"
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}
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private func setupMenu() {
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let mainMenu = NSMenu()
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// Application menu
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let appItem = NSMenuItem()
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mainMenu.addItem(appItem)
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let appMenu = NSMenu()
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let name = config.windowTitle
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appMenu.addItem(withTitle: "Hide \(name)",
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action: #selector(NSApplication.hide(_:)),
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keyEquivalent: "h")
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appMenu.addItem(NSMenuItem.separator())
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appMenu.addItem(withTitle: "Quit \(name)",
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action: #selector(NSApplication.terminate(_:)),
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keyEquivalent: "q")
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appItem.submenu = appMenu
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// Edit menu (enables ⌘C / ⌘V in the terminal)
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let editItem = NSMenuItem()
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mainMenu.addItem(editItem)
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let editMenu = NSMenu(title: "Edit")
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editMenu.addItem(withTitle: "Copy",
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action: #selector(NSText.copy(_:)),
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keyEquivalent: "c")
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editMenu.addItem(withTitle: "Paste",
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action: #selector(NSText.paste(_:)),
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keyEquivalent: "v")
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editItem.submenu = editMenu
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NSApp.mainMenu = mainMenu
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}
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// MARK: LocalProcessTerminalViewDelegate
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func sizeChanged(source: LocalProcessTerminalView, newCols: Int, newRows: Int) {}
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func setTerminalTitle(source: LocalProcessTerminalView, title: String) {
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// Keep a stable window title. Uncomment to follow the shell's title:
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// window.title = title.isEmpty ? config.windowTitle : title
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}
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func hostCurrentDirectoryUpdate(source: TerminalView, directory: String?) {}
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func processTerminated(source: TerminalView, exitCode: Int32?) {
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NSApp.terminate(nil)
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}
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func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
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return true
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}
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}
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// MARK: - Entry point
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let app = NSApplication.shared
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app.setActivationPolicy(.regular) // a real Dock app, not a background process
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let delegate = AppDelegate()
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app.delegate = delegate
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app.activate(ignoringOtherApps: true)
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app.run()
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