mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-04-24 18:38:39 +03:00
1041 lines
42 KiB
Swift
1041 lines
42 KiB
Swift
import SwiftUI
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import GhosttyKit
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extension Ghostty {
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/// Render a terminal for the active app in the environment.
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struct Terminal: View {
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@Environment(\.ghosttyApp) private var app
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@FocusedValue(\.ghosttySurfaceTitle) private var surfaceTitle: String?
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var body: some View {
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if let app = self.app {
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SurfaceForApp(app) { surfaceView in
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SurfaceWrapper(surfaceView: surfaceView)
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}
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.navigationTitle(surfaceTitle ?? "Ghostty")
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}
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}
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}
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/// Yields a SurfaceView for a ghostty app that can then be used however you want.
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struct SurfaceForApp<Content: View>: View {
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let content: ((SurfaceView) -> Content)
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@StateObject private var surfaceView: SurfaceView
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init(_ app: ghostty_app_t, @ViewBuilder content: @escaping ((SurfaceView) -> Content)) {
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_surfaceView = StateObject(wrappedValue: SurfaceView(app, nil))
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self.content = content
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}
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var body: some View {
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content(surfaceView)
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}
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}
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struct SurfaceWrapper: View {
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// The surface to create a view for. This must be created upstream. As long as this
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// remains the same, the surface that is being rendered remains the same.
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@ObservedObject var surfaceView: SurfaceView
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// True if this surface is part of a split view. This is important to know so
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// we know whether to dim the surface out of focus.
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var isSplit: Bool = false
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// Maintain whether our view has focus or not
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@FocusState private var surfaceFocus: Bool
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// Maintain whether our window has focus (is key) or not
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@State private var windowFocus: Bool = true
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@Environment(\.ghosttyConfig) private var ghostty_config
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// This is true if the terminal is considered "focused". The terminal is focused if
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// it is both individually focused and the containing window is key.
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private var hasFocus: Bool { surfaceFocus && windowFocus }
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// The opacity of the rectangle when unfocused.
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private var unfocusedOpacity: Double {
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var opacity: Double = 0.85
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let key = "unfocused-split-opacity"
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_ = ghostty_config_get(ghostty_config, &opacity, key, UInt(key.count))
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return 1 - opacity
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}
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var body: some View {
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ZStack {
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// We use a GeometryReader to get the frame bounds so that our metal surface
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// is up to date. See TerminalSurfaceView for why we don't use the NSView
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// resize callback.
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GeometryReader { geo in
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// We use these notifications to determine when the window our surface is
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// attached to is or is not focused.
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let pubBecomeFocused = NotificationCenter.default.publisher(for: Notification.didBecomeFocusedSurface, object: surfaceView)
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let pubBecomeKey = NotificationCenter.default.publisher(for: NSWindow.didBecomeKeyNotification)
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let pubResign = NotificationCenter.default.publisher(for: NSWindow.didResignKeyNotification)
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Surface(view: surfaceView, hasFocus: hasFocus, size: geo.size)
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.focused($surfaceFocus)
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.focusedValue(\.ghosttySurfaceTitle, surfaceView.title)
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.focusedValue(\.ghosttySurfaceView, surfaceView)
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.onReceive(pubBecomeKey) { notification in
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guard let window = notification.object as? NSWindow else { return }
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guard let surfaceWindow = surfaceView.window else { return }
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windowFocus = surfaceWindow == window
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}
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.onReceive(pubResign) { notification in
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guard let window = notification.object as? NSWindow else { return }
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guard let surfaceWindow = surfaceView.window else { return }
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if (surfaceWindow == window) {
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windowFocus = false
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}
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}
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.onReceive(pubBecomeFocused) { notification in
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// We only want to run this on older macOS versions where the .focused
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// method doesn't work properly. See the dispatch of this notification
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// for more information.
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if #available(macOS 13, *) { return }
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DispatchQueue.main.async {
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surfaceFocus = true
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}
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}
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.onAppear() {
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// Welcome to the SwiftUI bug house of horrors. On macOS 12 (at least
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// 12.5.1, didn't test other versions), the order in which the view
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// is added to the window hierarchy is such that $surfaceFocus is
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// not set to true for the first surface in a window. As a result,
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// new windows are key (they have window focus) but the terminal surface
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// does not have surface until the user clicks. Bad!
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//
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// There is a very real chance that I am doing something wrong, but it
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// works great as-is on macOS 13, so I've instead decided to make the
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// older macOS hacky. A workaround is on initial appearance to "steal
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// focus" under certain conditions that seem to imply we're in the
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// screwy state.
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if #available(macOS 13, *) {
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// If we're on a more modern version of macOS, do nothing.
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return
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}
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if #available(macOS 12, *) {
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// On macOS 13, the view is attached to a window at this point,
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// so this is one extra check that we're a new view and behaving odd.
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guard surfaceView.window == nil else { return }
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DispatchQueue.main.async {
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surfaceFocus = true
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}
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}
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// I don't know how older macOS versions behave but Ghostty only
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// supports back to macOS 12 so its moot.
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}
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.onDrop(of: [.fileURL], isTargeted: nil) { providers in
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providers.forEach { provider in
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_ = provider.loadObject(ofClass: URL.self) { url, _ in
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guard let url = url else { return }
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let path = Shell.escape(url.path)
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DispatchQueue.main.async {
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surfaceView.insertText(
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path,
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replacementRange: NSMakeRange(0, 0)
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)
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}
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}
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}
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return true
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}
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}
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.ghosttySurfaceView(surfaceView)
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// If we're part of a split view and don't have focus, we put a semi-transparent
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// rectangle above our view to make it look unfocused. We use "surfaceFocus"
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// because we want to keep our focused surface dark even if we don't have window
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// focus.
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if (isSplit && !surfaceFocus) {
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Rectangle()
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.fill(.white)
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.allowsHitTesting(false)
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.opacity(unfocusedOpacity)
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}
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}
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}
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}
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/// A surface is terminology in Ghostty for a terminal surface, or a place where a terminal is actually drawn
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/// and interacted with. The word "surface" is used because a surface may represent a window, a tab,
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/// a split, a small preview pane, etc. It is ANYTHING that has a terminal drawn to it.
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///
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/// We just wrap an AppKit NSView here at the moment so that we can behave as low level as possible
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/// since that is what the Metal renderer in Ghostty expects. In the future, it may make more sense to
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/// wrap an MTKView and use that, but for legacy reasons we didn't do that to begin with.
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struct Surface: NSViewRepresentable {
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/// The view to render for the terminal surface.
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let view: SurfaceView
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/// This should be set to true when the surface has focus. This is up to the parent because
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/// focus is also defined by window focus. It is important this is set correctly since if it is
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/// false then the surface will idle at almost 0% CPU.
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let hasFocus: Bool
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/// The size of the frame containing this view. We use this to update the the underlying
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/// surface. This does not actually SET the size of our frame, this only sets the size
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/// of our Metal surface for drawing.
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///
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/// Note: we do NOT use the NSView.resize function because SwiftUI on macOS 12
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/// does not call this callback (macOS 13+ does).
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///
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/// The best approach is to wrap this view in a GeometryReader and pass in the geo.size.
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let size: CGSize
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func makeNSView(context: Context) -> SurfaceView {
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// We need the view as part of the state to be created previously because
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// the view is sent to the Ghostty API so that it can manipulate it
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// directly since we draw on a render thread.
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return view;
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}
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func updateNSView(_ view: SurfaceView, context: Context) {
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view.focusDidChange(hasFocus)
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view.sizeDidChange(size)
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}
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}
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/// The configuration for a surface. For any configuration not set, defaults will be chosen from
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/// libghostty, usually from the Ghostty configuration.
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struct SurfaceConfiguration {
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/// Explicit font size to use in points
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var fontSize: UInt16? = nil
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/// Explicit working directory to set
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var workingDirectory: String? = nil
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init() {}
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init(from config: ghostty_surface_config_s) {
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self.fontSize = config.font_size
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self.workingDirectory = String.init(cString: config.working_directory, encoding: .utf8)
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}
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/// Returns the ghostty configuration for this surface configuration struct. The memory
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/// in the returned struct is only valid as long as this struct is retained.
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func ghosttyConfig(view: SurfaceView) -> ghostty_surface_config_s {
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var config = ghostty_surface_config_new()
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config.userdata = Unmanaged.passUnretained(view).toOpaque()
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config.nsview = Unmanaged.passUnretained(view).toOpaque()
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config.scale_factor = NSScreen.main!.backingScaleFactor
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if let fontSize = fontSize { config.font_size = fontSize }
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if let workingDirectory = workingDirectory {
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config.working_directory = (workingDirectory as NSString).utf8String
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}
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return config
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}
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}
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/// The NSView implementation for a terminal surface.
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class SurfaceView: NSView, NSTextInputClient, ObservableObject {
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// The current title of the surface as defined by the pty. This can be
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// changed with escape codes. This is public because the callbacks go
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// to the app level and it is set from there.
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@Published var title: String = "👻"
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// An initial size to request for a window. This will only affect
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// then the view is moved to a new window.
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var initialSize: NSSize? = nil
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// Returns the inspector instance for this surface, or nil if the
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// surface has been closed.
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var inspector: ghostty_inspector_t? {
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guard let surface = self.surface else { return nil }
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return ghostty_surface_inspector(surface)
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}
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private(set) var surface: ghostty_surface_t?
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var error: Error? = nil
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private var markedText: NSMutableAttributedString
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private var mouseEntered: Bool = false
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private var focused: Bool = true
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private var cursor: NSCursor = .iBeam
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private var cursorVisible: CursorVisibility = .visible
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// We need to support being a first responder so that we can get input events
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override var acceptsFirstResponder: Bool { return true }
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// I don't think we need this but this lets us know we should redraw our layer
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// so we'll use that to tell ghostty to refresh.
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override var wantsUpdateLayer: Bool { return true }
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// State machine for mouse cursor visibility because every call to
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// NSCursor.hide/unhide must be balanced.
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enum CursorVisibility {
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case visible
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case hidden
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case pendingVisible
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case pendingHidden
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}
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init(_ app: ghostty_app_t, _ baseConfig: SurfaceConfiguration?) {
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self.markedText = NSMutableAttributedString()
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// Initialize with some default frame size. The important thing is that this
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// is non-zero so that our layer bounds are non-zero so that our renderer
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// can do SOMETHING.
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super.init(frame: NSMakeRect(0, 0, 800, 600))
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// Setup our surface. This will also initialize all the terminal IO.
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var surface_cfg = baseConfig ?? SurfaceConfiguration()
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var surface_cfg_c = surface_cfg.ghosttyConfig(view: self)
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guard let surface = ghostty_surface_new(app, &surface_cfg_c) else {
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self.error = AppError.surfaceCreateError
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return
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}
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self.surface = surface;
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// Setup our tracking area so we get mouse moved events
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updateTrackingAreas()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) is not supported for this view")
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}
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deinit {
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trackingAreas.forEach { removeTrackingArea($0) }
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// mouseExited is not called by AppKit one last time when the view
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// closes so we do it manually to ensure our NSCursor state remains
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// accurate.
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if (mouseEntered) {
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mouseExited(with: NSEvent())
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}
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guard let surface = self.surface else { return }
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ghostty_surface_free(surface)
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}
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/// Close the surface early. This will free the associated Ghostty surface and the view will
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/// no longer render. The view can never be used again. This is a way for us to free the
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/// Ghostty resources while references may still be held to this view. I've found that SwiftUI
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/// tends to hold this view longer than it should so we free the expensive stuff explicitly.
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func close() {
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guard let surface = self.surface else { return }
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ghostty_surface_free(surface)
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self.surface = nil
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}
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func focusDidChange(_ focused: Bool) {
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guard let surface = self.surface else { return }
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ghostty_surface_set_focus(surface, focused)
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}
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func sizeDidChange(_ size: CGSize) {
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guard let surface = self.surface else { return }
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// Ghostty wants to know the actual framebuffer size... It is very important
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// here that we use "size" and NOT the view frame. If we're in the middle of
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// an animation (i.e. a fullscreen animation), the frame will not yet be updated.
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// The size represents our final size we're going for.
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let scaledSize = self.convertToBacking(size)
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ghostty_surface_set_size(surface, UInt32(scaledSize.width), UInt32(scaledSize.height))
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// Frame changes do not always call mouseEntered/mouseExited, so we do some
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// calculations ourself to call those events.
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if let window = self.window {
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let mouseScreen = NSEvent.mouseLocation
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let mouseWindow = window.convertPoint(fromScreen: mouseScreen)
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let mouseView = self.convert(mouseWindow, from: nil)
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let isEntered = self.isMousePoint(mouseView, in: bounds)
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if (isEntered) {
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mouseEntered(with: NSEvent())
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} else {
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mouseExited(with: NSEvent())
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}
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} else {
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// If we don't have a window, then our mouse can NOT be in our view.
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// When the window comes back, I believe this event fires again so
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// we'll get a mouseEntered.
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mouseExited(with: NSEvent())
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}
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}
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func setCursorShape(_ shape: ghostty_mouse_shape_e) {
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switch (shape) {
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case GHOSTTY_MOUSE_SHAPE_DEFAULT:
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cursor = .arrow
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case GHOSTTY_MOUSE_SHAPE_CONTEXT_MENU:
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cursor = .contextualMenu
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case GHOSTTY_MOUSE_SHAPE_TEXT:
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cursor = .iBeam
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case GHOSTTY_MOUSE_SHAPE_CROSSHAIR:
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cursor = .crosshair
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case GHOSTTY_MOUSE_SHAPE_GRAB:
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cursor = .openHand
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case GHOSTTY_MOUSE_SHAPE_GRABBING:
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cursor = .closedHand
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case GHOSTTY_MOUSE_SHAPE_POINTER:
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cursor = .pointingHand
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case GHOSTTY_MOUSE_SHAPE_W_RESIZE:
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cursor = .resizeLeft
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case GHOSTTY_MOUSE_SHAPE_E_RESIZE:
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cursor = .resizeRight
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case GHOSTTY_MOUSE_SHAPE_N_RESIZE:
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cursor = .resizeUp
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case GHOSTTY_MOUSE_SHAPE_S_RESIZE:
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cursor = .resizeDown
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case GHOSTTY_MOUSE_SHAPE_NS_RESIZE:
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cursor = .resizeUpDown
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case GHOSTTY_MOUSE_SHAPE_EW_RESIZE:
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cursor = .resizeLeftRight
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case GHOSTTY_MOUSE_SHAPE_VERTICAL_TEXT:
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cursor = .iBeamCursorForVerticalLayout
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case GHOSTTY_MOUSE_SHAPE_NOT_ALLOWED:
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cursor = .operationNotAllowed
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default:
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// We ignore unknown shapes.
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return
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}
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// Set our cursor immediately if our mouse is over our window
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if (mouseEntered) { cursorUpdate(with: NSEvent()) }
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if let window = self.window {
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window.invalidateCursorRects(for: self)
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}
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}
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func setCursorVisibility(_ visible: Bool) {
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switch (cursorVisible) {
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case .visible:
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// If we want to be visible, do nothing. If we want to be hidden
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// enter the pending state.
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if (visible) { return }
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cursorVisible = .pendingHidden
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case .hidden:
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// If we want to be hidden, do nothing. If we want to be visible
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// enter the pending state.
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if (!visible) { return }
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cursorVisible = .pendingVisible
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case .pendingVisible:
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// If we want to be visible, do nothing because we're already pending.
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// If we want to be hidden, we're already hidden so reset state.
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if (visible) { return }
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cursorVisible = .hidden
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case .pendingHidden:
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// If we want to be hidden, do nothing because we're pending that switch.
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// If we want to be visible, we're already visible so reset state.
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if (!visible) { return }
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cursorVisible = .visible
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}
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if (mouseEntered) {
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cursorUpdate(with: NSEvent())
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}
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}
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override func viewDidMoveToWindow() {
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guard let window = self.window else { return }
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guard let surface = self.surface else { return }
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if ghostty_surface_transparent(surface) {
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// Set the window transparency settings
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window.isOpaque = false
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window.hasShadow = false
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window.backgroundColor = .clear
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// If we have a blur, set the blur
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ghostty_set_window_background_blur(surface, Unmanaged.passUnretained(window).toOpaque())
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}
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// Try to set the initial window size if we have one
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setInitialWindowSize()
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}
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/// Sets the initial window size requested by the Ghostty config.
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///
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/// This only works under certain conditions:
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/// - The window must be "uninitialized"
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/// - The window must have no tabs
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/// - Ghostty must have requested an initial size
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///
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private func setInitialWindowSize() {
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guard let initialSize = initialSize else { return }
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// If we have tabs, then do not change the window size
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guard let window = self.window else { return }
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guard let windowControllerRaw = window.windowController else { return }
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guard let windowController = windowControllerRaw as? PrimaryWindowController else { return }
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guard !windowController.didInitializeFromSurface else { return }
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// Setup our frame. We need to first subtract the views frame so that we can
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// just get the chrome frame so that we only affect the surface view size.
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var frame = window.frame
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frame.size.width -= self.frame.size.width
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frame.size.height -= self.frame.size.height
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frame.size.width += initialSize.width
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frame.size.height += initialSize.height
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// We have no tabs and we are not a split, so set the initial size of the window.
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window.setFrame(frame, display: true)
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// Note that we did initialize
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windowController.didInitializeFromSurface = true
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}
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|
override func becomeFirstResponder() -> Bool {
|
|
let result = super.becomeFirstResponder()
|
|
if (result) { focused = true }
|
|
return result
|
|
}
|
|
|
|
override func resignFirstResponder() -> Bool {
|
|
let result = super.resignFirstResponder()
|
|
|
|
// We sometimes call this manually (see SplitView) as a way to force us to
|
|
// yield our focus state.
|
|
if (result) {
|
|
focusDidChange(false)
|
|
focused = false
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
override func updateTrackingAreas() {
|
|
// To update our tracking area we just recreate it all.
|
|
trackingAreas.forEach { removeTrackingArea($0) }
|
|
|
|
// This tracking area is across the entire frame to notify us of mouse movements.
|
|
addTrackingArea(NSTrackingArea(
|
|
rect: frame,
|
|
options: [
|
|
.mouseEnteredAndExited,
|
|
.mouseMoved,
|
|
|
|
// Only send mouse events that happen in our visible (not obscured) rect
|
|
.inVisibleRect,
|
|
|
|
// We want active always because we want to still send mouse reports
|
|
// even if we're not focused or key.
|
|
.activeAlways,
|
|
],
|
|
owner: self,
|
|
userInfo: nil))
|
|
}
|
|
|
|
override func resetCursorRects() {
|
|
discardCursorRects()
|
|
addCursorRect(frame, cursor: self.cursor)
|
|
}
|
|
|
|
override func viewDidChangeBackingProperties() {
|
|
guard let surface = self.surface else { return }
|
|
|
|
// Detect our X/Y scale factor so we can update our surface
|
|
let fbFrame = self.convertToBacking(self.frame)
|
|
let xScale = fbFrame.size.width / self.frame.size.width
|
|
let yScale = fbFrame.size.height / self.frame.size.height
|
|
ghostty_surface_set_content_scale(surface, xScale, yScale)
|
|
|
|
// When our scale factor changes, so does our fb size so we send that too
|
|
ghostty_surface_set_size(surface, UInt32(fbFrame.size.width), UInt32(fbFrame.size.height))
|
|
}
|
|
|
|
override func updateLayer() {
|
|
guard let surface = self.surface else { return }
|
|
ghostty_surface_refresh(surface);
|
|
}
|
|
|
|
override func mouseDown(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
ghostty_surface_mouse_button(surface, GHOSTTY_MOUSE_PRESS, GHOSTTY_MOUSE_LEFT, mods)
|
|
}
|
|
|
|
override func mouseUp(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
ghostty_surface_mouse_button(surface, GHOSTTY_MOUSE_RELEASE, GHOSTTY_MOUSE_LEFT, mods)
|
|
}
|
|
|
|
override func rightMouseDown(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
ghostty_surface_mouse_button(surface, GHOSTTY_MOUSE_PRESS, GHOSTTY_MOUSE_RIGHT, mods)
|
|
}
|
|
|
|
override func rightMouseUp(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
ghostty_surface_mouse_button(surface, GHOSTTY_MOUSE_RELEASE, GHOSTTY_MOUSE_RIGHT, mods)
|
|
}
|
|
|
|
override func mouseMoved(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
|
|
// Convert window position to view position. Note (0, 0) is bottom left.
|
|
let pos = self.convert(event.locationInWindow, from: nil)
|
|
ghostty_surface_mouse_pos(surface, pos.x, frame.height - pos.y)
|
|
|
|
}
|
|
|
|
override func mouseDragged(with event: NSEvent) {
|
|
self.mouseMoved(with: event)
|
|
}
|
|
|
|
override func mouseEntered(with event: NSEvent) {
|
|
// For reasons unknown (Cocoaaaaaaaaa), mouseEntered is called
|
|
// multiple times in an unbalanced way with mouseExited when a new
|
|
// tab is created. In this scenario, we only want to process our
|
|
// callback once since this is stateful and we expect balancing.
|
|
if (mouseEntered) { return }
|
|
|
|
mouseEntered = true
|
|
|
|
// Update our cursor when we enter so we fully process our
|
|
// cursorVisible state.
|
|
cursorUpdate(with: NSEvent())
|
|
}
|
|
|
|
override func mouseExited(with event: NSEvent) {
|
|
// See mouseEntered
|
|
if (!mouseEntered) { return }
|
|
|
|
mouseEntered = false
|
|
|
|
// If the mouse is currently hidden, we want to show it when we exit
|
|
// this view. We go through the cursorVisible dance so that only
|
|
// cursorUpdate manages cursor state.
|
|
if (cursorVisible == .hidden) {
|
|
cursorVisible = .pendingVisible
|
|
cursorUpdate(with: NSEvent())
|
|
assert(cursorVisible == .visible)
|
|
|
|
// We set the state to pending hidden again for the next time
|
|
// we enter.
|
|
cursorVisible = .pendingHidden
|
|
}
|
|
}
|
|
|
|
override func scrollWheel(with event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
|
|
// Builds up the "input.ScrollMods" bitmask
|
|
var mods: Int32 = 0
|
|
|
|
var x = event.scrollingDeltaX
|
|
var y = event.scrollingDeltaY
|
|
if event.hasPreciseScrollingDeltas {
|
|
mods = 1
|
|
|
|
// We do a 2x speed multiplier. This is subjective, it "feels" better to me.
|
|
x *= 2;
|
|
y *= 2;
|
|
|
|
// TODO(mitchellh): do we have to scale the x/y here by window scale factor?
|
|
}
|
|
|
|
// Determine our momentum value
|
|
var momentum: ghostty_input_mouse_momentum_e = GHOSTTY_MOUSE_MOMENTUM_NONE
|
|
switch (event.momentumPhase) {
|
|
case .began:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_BEGAN
|
|
case .stationary:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_STATIONARY
|
|
case .changed:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_CHANGED
|
|
case .ended:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_ENDED
|
|
case .cancelled:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_CANCELLED
|
|
case .mayBegin:
|
|
momentum = GHOSTTY_MOUSE_MOMENTUM_MAY_BEGIN
|
|
default:
|
|
break
|
|
}
|
|
|
|
// Pack our momentum value into the mods bitmask
|
|
mods |= Int32(momentum.rawValue) << 1
|
|
|
|
ghostty_surface_mouse_scroll(surface, x, y, mods)
|
|
}
|
|
|
|
override func cursorUpdate(with event: NSEvent) {
|
|
switch (cursorVisible) {
|
|
case .visible, .hidden:
|
|
// Do nothing, stable state
|
|
break
|
|
|
|
case .pendingHidden:
|
|
NSCursor.hide()
|
|
cursorVisible = .hidden
|
|
|
|
case .pendingVisible:
|
|
NSCursor.unhide()
|
|
cursorVisible = .visible
|
|
}
|
|
|
|
cursor.set()
|
|
}
|
|
|
|
override func keyDown(with event: NSEvent) {
|
|
let action = event.isARepeat ? GHOSTTY_ACTION_REPEAT : GHOSTTY_ACTION_PRESS
|
|
keyAction(action, event: event)
|
|
|
|
// We specifically DO NOT call interpretKeyEvents because ghostty_surface_key
|
|
// automatically handles all key translation, and we don't handle any commands
|
|
// currently.
|
|
//
|
|
// It is possible that in the future we'll have to modify ghostty_surface_key
|
|
// and the embedding API so that we can call this because macOS needs to do
|
|
// some things with certain keys. I'm not sure. For now this works.
|
|
//
|
|
// self.interpretKeyEvents([event])
|
|
}
|
|
|
|
override func keyUp(with event: NSEvent) {
|
|
keyAction(GHOSTTY_ACTION_RELEASE, event: event)
|
|
}
|
|
|
|
override func flagsChanged(with event: NSEvent) {
|
|
let mod: UInt32;
|
|
switch (event.keyCode) {
|
|
case 0x39: mod = GHOSTTY_MODS_CAPS.rawValue
|
|
case 0x38, 0x3C: mod = GHOSTTY_MODS_SHIFT.rawValue
|
|
case 0x3B, 0x3E: mod = GHOSTTY_MODS_CTRL.rawValue
|
|
case 0x3A, 0x3D: mod = GHOSTTY_MODS_ALT.rawValue
|
|
case 0x37, 0x36: mod = GHOSTTY_MODS_SUPER.rawValue
|
|
default: return
|
|
}
|
|
|
|
// The keyAction function will do this AGAIN below which sucks to repeat
|
|
// but this is super cheap and flagsChanged isn't that common.
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
|
|
// If the key that pressed this is active, its a press, else release
|
|
var action = GHOSTTY_ACTION_RELEASE
|
|
if (mods.rawValue & mod != 0) { action = GHOSTTY_ACTION_PRESS }
|
|
|
|
keyAction(action, event: event)
|
|
}
|
|
|
|
private func keyAction(_ action: ghostty_input_action_e, event: NSEvent) {
|
|
guard let surface = self.surface else { return }
|
|
let mods = Ghostty.ghosttyMods(event.modifierFlags)
|
|
ghostty_surface_key(surface, action, UInt32(event.keyCode), mods)
|
|
}
|
|
|
|
// MARK: Menu Handlers
|
|
|
|
@IBAction func copy(_ sender: Any?) {
|
|
guard let surface = self.surface else { return }
|
|
let action = "copy_to_clipboard"
|
|
if (!ghostty_surface_binding_action(surface, action, UInt(action.count))) {
|
|
AppDelegate.logger.warning("action failed action=\(action)")
|
|
}
|
|
}
|
|
|
|
@IBAction func paste(_ sender: Any?) {
|
|
guard let surface = self.surface else { return }
|
|
let action = "paste_from_clipboard"
|
|
if (!ghostty_surface_binding_action(surface, action, UInt(action.count))) {
|
|
AppDelegate.logger.warning("action failed action=\(action)")
|
|
}
|
|
}
|
|
|
|
@IBAction func pasteAsPlainText(_ sender: Any?) {
|
|
guard let surface = self.surface else { return }
|
|
let action = "paste_from_clipboard"
|
|
if (!ghostty_surface_binding_action(surface, action, UInt(action.count))) {
|
|
AppDelegate.logger.warning("action failed action=\(action)")
|
|
}
|
|
}
|
|
|
|
// MARK: NSTextInputClient
|
|
|
|
func hasMarkedText() -> Bool {
|
|
return markedText.length > 0
|
|
}
|
|
|
|
func markedRange() -> NSRange {
|
|
guard markedText.length > 0 else { return NSRange() }
|
|
return NSRange(0...(markedText.length-1))
|
|
}
|
|
|
|
func selectedRange() -> NSRange {
|
|
return NSRange()
|
|
}
|
|
|
|
func setMarkedText(_ string: Any, selectedRange: NSRange, replacementRange: NSRange) {
|
|
switch string {
|
|
case let v as NSAttributedString:
|
|
self.markedText = NSMutableAttributedString(attributedString: v)
|
|
|
|
case let v as String:
|
|
self.markedText = NSMutableAttributedString(string: v)
|
|
|
|
default:
|
|
print("unknown marked text: \(string)")
|
|
}
|
|
}
|
|
|
|
func unmarkText() {
|
|
self.markedText.mutableString.setString("")
|
|
}
|
|
|
|
func validAttributesForMarkedText() -> [NSAttributedString.Key] {
|
|
return []
|
|
}
|
|
|
|
func attributedSubstring(forProposedRange range: NSRange, actualRange: NSRangePointer?) -> NSAttributedString? {
|
|
return nil
|
|
}
|
|
|
|
func characterIndex(for point: NSPoint) -> Int {
|
|
return 0
|
|
}
|
|
|
|
func firstRect(forCharacterRange range: NSRange, actualRange: NSRangePointer?) -> NSRect {
|
|
guard let surface = self.surface else {
|
|
return NSMakeRect(frame.origin.x, frame.origin.y, 0, 0)
|
|
}
|
|
|
|
// Ghostty will tell us where it thinks an IME keyboard should render.
|
|
var x: Double = 0;
|
|
var y: Double = 0;
|
|
ghostty_surface_ime_point(surface, &x, &y)
|
|
|
|
// Ghostty coordinates are in top-left (0, 0) so we have to convert to
|
|
// bottom-left since that is what UIKit expects
|
|
let rect = NSMakeRect(x, frame.size.height - y, 0, 0)
|
|
|
|
// Convert from view to screen coordinates
|
|
guard let window = self.window else { return rect }
|
|
return window.convertToScreen(rect)
|
|
}
|
|
|
|
func insertText(_ string: Any, replacementRange: NSRange) {
|
|
// We must have an associated event
|
|
guard NSApp.currentEvent != nil else { return }
|
|
guard let surface = self.surface else { return }
|
|
|
|
// We want the string view of the any value
|
|
var chars = ""
|
|
switch (string) {
|
|
case let v as NSAttributedString:
|
|
chars = v.string
|
|
case let v as String:
|
|
chars = v
|
|
default:
|
|
return
|
|
}
|
|
|
|
let len = chars.utf8CString.count
|
|
if (len == 0) { return }
|
|
|
|
chars.withCString { ptr in
|
|
// len includes the null terminator so we do len - 1
|
|
ghostty_surface_text(surface, ptr, UInt(len - 1))
|
|
}
|
|
}
|
|
|
|
override func doCommand(by selector: Selector) {
|
|
// This currently just prevents NSBeep from interpretKeyEvents but in the future
|
|
// we may want to make some of this work.
|
|
|
|
print("SEL: \(selector)")
|
|
}
|
|
|
|
// Mapping of event keyCode to ghostty input key values. This is cribbed from
|
|
// glfw mostly since we started as a glfw-based app way back in the day!
|
|
static let keycodes: [UInt16 : ghostty_input_key_e] = [
|
|
0x1D: GHOSTTY_KEY_ZERO,
|
|
0x12: GHOSTTY_KEY_ONE,
|
|
0x13: GHOSTTY_KEY_TWO,
|
|
0x14: GHOSTTY_KEY_THREE,
|
|
0x15: GHOSTTY_KEY_FOUR,
|
|
0x17: GHOSTTY_KEY_FIVE,
|
|
0x16: GHOSTTY_KEY_SIX,
|
|
0x1A: GHOSTTY_KEY_SEVEN,
|
|
0x1C: GHOSTTY_KEY_EIGHT,
|
|
0x19: GHOSTTY_KEY_NINE,
|
|
0x00: GHOSTTY_KEY_A,
|
|
0x0B: GHOSTTY_KEY_B,
|
|
0x08: GHOSTTY_KEY_C,
|
|
0x02: GHOSTTY_KEY_D,
|
|
0x0E: GHOSTTY_KEY_E,
|
|
0x03: GHOSTTY_KEY_F,
|
|
0x05: GHOSTTY_KEY_G,
|
|
0x04: GHOSTTY_KEY_H,
|
|
0x22: GHOSTTY_KEY_I,
|
|
0x26: GHOSTTY_KEY_J,
|
|
0x28: GHOSTTY_KEY_K,
|
|
0x25: GHOSTTY_KEY_L,
|
|
0x2E: GHOSTTY_KEY_M,
|
|
0x2D: GHOSTTY_KEY_N,
|
|
0x1F: GHOSTTY_KEY_O,
|
|
0x23: GHOSTTY_KEY_P,
|
|
0x0C: GHOSTTY_KEY_Q,
|
|
0x0F: GHOSTTY_KEY_R,
|
|
0x01: GHOSTTY_KEY_S,
|
|
0x11: GHOSTTY_KEY_T,
|
|
0x20: GHOSTTY_KEY_U,
|
|
0x09: GHOSTTY_KEY_V,
|
|
0x0D: GHOSTTY_KEY_W,
|
|
0x07: GHOSTTY_KEY_X,
|
|
0x10: GHOSTTY_KEY_Y,
|
|
0x06: GHOSTTY_KEY_Z,
|
|
|
|
0x27: GHOSTTY_KEY_APOSTROPHE,
|
|
0x2A: GHOSTTY_KEY_BACKSLASH,
|
|
0x2B: GHOSTTY_KEY_COMMA,
|
|
0x18: GHOSTTY_KEY_EQUAL,
|
|
0x32: GHOSTTY_KEY_GRAVE_ACCENT,
|
|
0x21: GHOSTTY_KEY_LEFT_BRACKET,
|
|
0x1B: GHOSTTY_KEY_MINUS,
|
|
0x2F: GHOSTTY_KEY_PERIOD,
|
|
0x1E: GHOSTTY_KEY_RIGHT_BRACKET,
|
|
0x29: GHOSTTY_KEY_SEMICOLON,
|
|
0x2C: GHOSTTY_KEY_SLASH,
|
|
|
|
0x33: GHOSTTY_KEY_BACKSPACE,
|
|
0x39: GHOSTTY_KEY_CAPS_LOCK,
|
|
0x75: GHOSTTY_KEY_DELETE,
|
|
0x7D: GHOSTTY_KEY_DOWN,
|
|
0x77: GHOSTTY_KEY_END,
|
|
0x24: GHOSTTY_KEY_ENTER,
|
|
0x35: GHOSTTY_KEY_ESCAPE,
|
|
0x7A: GHOSTTY_KEY_F1,
|
|
0x78: GHOSTTY_KEY_F2,
|
|
0x63: GHOSTTY_KEY_F3,
|
|
0x76: GHOSTTY_KEY_F4,
|
|
0x60: GHOSTTY_KEY_F5,
|
|
0x61: GHOSTTY_KEY_F6,
|
|
0x62: GHOSTTY_KEY_F7,
|
|
0x64: GHOSTTY_KEY_F8,
|
|
0x65: GHOSTTY_KEY_F9,
|
|
0x6D: GHOSTTY_KEY_F10,
|
|
0x67: GHOSTTY_KEY_F11,
|
|
0x6F: GHOSTTY_KEY_F12,
|
|
0x69: GHOSTTY_KEY_PRINT_SCREEN,
|
|
0x6B: GHOSTTY_KEY_F14,
|
|
0x71: GHOSTTY_KEY_F15,
|
|
0x6A: GHOSTTY_KEY_F16,
|
|
0x40: GHOSTTY_KEY_F17,
|
|
0x4F: GHOSTTY_KEY_F18,
|
|
0x50: GHOSTTY_KEY_F19,
|
|
0x5A: GHOSTTY_KEY_F20,
|
|
0x73: GHOSTTY_KEY_HOME,
|
|
0x72: GHOSTTY_KEY_INSERT,
|
|
0x7B: GHOSTTY_KEY_LEFT,
|
|
0x3A: GHOSTTY_KEY_LEFT_ALT,
|
|
0x3B: GHOSTTY_KEY_LEFT_CONTROL,
|
|
0x38: GHOSTTY_KEY_LEFT_SHIFT,
|
|
0x37: GHOSTTY_KEY_LEFT_SUPER,
|
|
0x47: GHOSTTY_KEY_NUM_LOCK,
|
|
0x79: GHOSTTY_KEY_PAGE_DOWN,
|
|
0x74: GHOSTTY_KEY_PAGE_UP,
|
|
0x7C: GHOSTTY_KEY_RIGHT,
|
|
0x3D: GHOSTTY_KEY_RIGHT_ALT,
|
|
0x3E: GHOSTTY_KEY_RIGHT_CONTROL,
|
|
0x3C: GHOSTTY_KEY_RIGHT_SHIFT,
|
|
0x36: GHOSTTY_KEY_RIGHT_SUPER,
|
|
0x31: GHOSTTY_KEY_SPACE,
|
|
0x30: GHOSTTY_KEY_TAB,
|
|
0x7E: GHOSTTY_KEY_UP,
|
|
|
|
0x52: GHOSTTY_KEY_KP_0,
|
|
0x53: GHOSTTY_KEY_KP_1,
|
|
0x54: GHOSTTY_KEY_KP_2,
|
|
0x55: GHOSTTY_KEY_KP_3,
|
|
0x56: GHOSTTY_KEY_KP_4,
|
|
0x57: GHOSTTY_KEY_KP_5,
|
|
0x58: GHOSTTY_KEY_KP_6,
|
|
0x59: GHOSTTY_KEY_KP_7,
|
|
0x5B: GHOSTTY_KEY_KP_8,
|
|
0x5C: GHOSTTY_KEY_KP_9,
|
|
0x45: GHOSTTY_KEY_KP_ADD,
|
|
0x41: GHOSTTY_KEY_KP_DECIMAL,
|
|
0x4B: GHOSTTY_KEY_KP_DIVIDE,
|
|
0x4C: GHOSTTY_KEY_KP_ENTER,
|
|
0x51: GHOSTTY_KEY_KP_EQUAL,
|
|
0x43: GHOSTTY_KEY_KP_MULTIPLY,
|
|
0x4E: GHOSTTY_KEY_KP_SUBTRACT,
|
|
];
|
|
}
|
|
}
|
|
|
|
// MARK: Surface Environment Keys
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private struct GhosttySurfaceViewKey: EnvironmentKey {
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static let defaultValue: Ghostty.SurfaceView? = nil
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}
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extension EnvironmentValues {
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var ghosttySurfaceView: Ghostty.SurfaceView? {
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get { self[GhosttySurfaceViewKey.self] }
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set { self[GhosttySurfaceViewKey.self] = newValue }
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}
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}
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extension View {
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func ghosttySurfaceView(_ surfaceView: Ghostty.SurfaceView?) -> some View {
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environment(\.ghosttySurfaceView, surfaceView)
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}
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}
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// MARK: Surface Focus Keys
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extension FocusedValues {
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var ghosttySurfaceView: Ghostty.SurfaceView? {
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get { self[FocusedGhosttySurface.self] }
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set { self[FocusedGhosttySurface.self] = newValue }
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}
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struct FocusedGhosttySurface: FocusedValueKey {
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typealias Value = Ghostty.SurfaceView
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}
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}
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extension FocusedValues {
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var ghosttySurfaceTitle: String? {
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get { self[FocusedGhosttySurfaceTitle.self] }
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set { self[FocusedGhosttySurfaceTitle.self] = newValue }
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}
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struct FocusedGhosttySurfaceTitle: FocusedValueKey {
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typealias Value = String
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}
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}
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extension FocusedValues {
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var ghosttySurfaceZoomed: Bool? {
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get { self[FocusedGhosttySurfaceZoomed.self] }
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set { self[FocusedGhosttySurfaceZoomed.self] = newValue }
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}
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struct FocusedGhosttySurfaceZoomed: FocusedValueKey {
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typealias Value = Bool
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}
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}
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