mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-04-20 00:18:53 +03:00
578 lines
22 KiB
Swift
578 lines
22 KiB
Swift
import Foundation
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import Cocoa
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import SwiftUI
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import GhosttyKit
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/// The terminal controller is an NSWindowController that maps 1:1 to a terminal window.
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class TerminalController: NSWindowController, NSWindowDelegate,
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TerminalViewDelegate, TerminalViewModel,
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ClipboardConfirmationViewDelegate
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{
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override var windowNibName: NSNib.Name? { "Terminal" }
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/// The app instance that this terminal view will represent.
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let ghostty: Ghostty.AppState
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/// The currently focused surface.
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var focusedSurface: Ghostty.SurfaceView? = nil
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/// The surface tree for this window.
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@Published var surfaceTree: Ghostty.SplitNode? = nil {
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didSet {
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// If our surface tree becomes nil then ensure all surfaces
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// in the old tree have closed and then close the window.
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if (surfaceTree == nil) {
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oldValue?.close()
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lastSurfaceDidClose()
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}
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}
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}
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/// Fullscreen state management.
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private let fullscreenHandler = FullScreenHandler()
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/// True when an alert is active so we don't overlap multiple.
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private var alert: NSAlert? = nil
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/// The clipboard confirmation window, if shown.
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private var clipboardConfirmation: ClipboardConfirmationController? = nil
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/// This is set to true when we care about frame changes. This is a small optimization since
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/// this controller registers a listener for ALL frame change notifications and this lets us bail
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/// early if we don't care.
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private var tabListenForFrame: Bool = false
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/// This is the hash value of the last tabGroup.windows array. We use this to detect order
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/// changes in the list.
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private var tabWindowsHash: Int = 0
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init(_ ghostty: Ghostty.AppState, withBaseConfig base: Ghostty.SurfaceConfiguration? = nil) {
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self.ghostty = ghostty
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super.init(window: nil)
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// Initialize our initial surface.
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guard let ghostty_app = ghostty.app else { preconditionFailure("app must be loaded") }
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self.surfaceTree = .leaf(.init(ghostty_app, base))
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// Setup our notifications for behaviors
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let center = NotificationCenter.default
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center.addObserver(
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self,
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selector: #selector(onToggleFullscreen),
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name: Ghostty.Notification.ghosttyToggleFullscreen,
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object: nil)
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center.addObserver(
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self,
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selector: #selector(onGotoTab),
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name: Ghostty.Notification.ghosttyGotoTab,
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object: nil)
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center.addObserver(
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self,
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selector: #selector(onConfirmClipboardRequest),
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name: Ghostty.Notification.confirmClipboard,
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object: nil)
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center.addObserver(
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self,
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selector: #selector(onFrameDidChange),
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name: NSView.frameDidChangeNotification,
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object: nil)
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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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// Remove all of our notificationcenter subscriptions
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let center = NotificationCenter.default
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center.removeObserver(self)
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}
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//MARK: - Methods
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/// Update the accessory view of each tab according to the keyboard
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/// shortcut that activates it (if any). This is called when the key window
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/// changes and when a window is closed.
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func relabelTabs() {
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// Reset this to false. It'll be set back to true later.
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tabListenForFrame = false
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guard let windows = self.window?.tabbedWindows else { return }
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guard let cfg = ghostty.config else { return }
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// We only listen for frame changes if we have more than 1 window,
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// otherwise the accessory view doesn't matter.
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tabListenForFrame = windows.count > 1
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for (index, window) in windows.enumerated().prefix(9) {
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let action = "goto_tab:\(index + 1)"
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let trigger = ghostty_config_trigger(cfg, action, UInt(action.count))
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guard let equiv = Ghostty.keyEquivalentLabel(key: trigger.key, mods: trigger.mods) else {
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continue
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}
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let attributes: [NSAttributedString.Key: Any] = [
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.font: NSFont.labelFont(ofSize: 0),
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.foregroundColor: window.isKeyWindow ? NSColor.labelColor : NSColor.secondaryLabelColor,
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]
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let attributedString = NSAttributedString(string: " \(equiv) ", attributes: attributes)
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let text = NSTextField(labelWithAttributedString: attributedString)
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text.setContentCompressionResistancePriority(.windowSizeStayPut, for: .horizontal)
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text.postsFrameChangedNotifications = true
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window.tab.accessoryView = text
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}
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}
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@objc private func onFrameDidChange(_ notification: NSNotification) {
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// This is a huge hack to set the proper shortcut for tab selection
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// on tab reordering using the mouse. There is no event, delegate, etc.
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// as far as I can tell for when a tab is manually reordered with the
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// mouse in a macOS-native tab group, so the way we detect it is setting
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// the accessoryView "postsFrameChangedNotification" to true, listening
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// for the view frame to change, comparing the windows list, and
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// relabeling the tabs.
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guard tabListenForFrame else { return }
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guard let v = self.window?.tabbedWindows?.hashValue else { return }
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guard tabWindowsHash != v else { return }
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tabWindowsHash = v
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self.relabelTabs()
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}
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//MARK: - NSWindowController
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override func windowWillLoad() {
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// We do NOT want to cascade because we handle this manually from the manager.
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shouldCascadeWindows = false
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}
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override func windowDidLoad() {
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guard let window = window else { return }
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// Setting all three of these is required for restoration to work.
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window.isRestorable = true
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window.restorationClass = TerminalWindowRestoration.self
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window.identifier = .init(String(describing: TerminalWindowRestoration.self))
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// If window decorations are disabled, remove our title
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if (!ghostty.windowDecorations) { window.styleMask.remove(.titled) }
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// Terminals typically operate in sRGB color space and macOS defaults
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// to "native" which is typically P3. There is a lot more resources
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// covered in thie GitHub issue: https://github.com/mitchellh/ghostty/pull/376
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window.colorSpace = NSColorSpace.sRGB
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// Center the window to start, we'll move the window frame automatically
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// when cascading.
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window.center()
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// Initialize our content view to the SwiftUI root
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window.contentView = NSHostingView(rootView: TerminalView(
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ghostty: self.ghostty,
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viewModel: self,
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delegate: self
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))
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// In various situations, macOS automatically tabs new windows. Ghostty handles
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// its own tabbing so we DONT want this behavior. This detects this scenario and undoes
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// it.
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//
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// Example scenarios where this happens:
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// - When the system user tabbing preference is "always"
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// - When the "+" button in the tab bar is clicked
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//
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// We don't run this logic in fullscreen because in fullscreen this will end up
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// removing the window and putting it into its own dedicated fullscreen, which is not
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// the expected or desired behavior of anyone I've found.
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if (!window.styleMask.contains(.fullScreen)) {
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// If we have more than 1 window in our tab group we know we're a new window.
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// Since Ghostty manages tabbing manually this will never be more than one
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// at this point in the AppKit lifecycle (we add to the group after this).
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if let tabGroup = window.tabGroup, tabGroup.windows.count > 1 {
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window.tabGroup?.removeWindow(window)
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}
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}
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}
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// Shows the "+" button in the tab bar, responds to that click.
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override func newWindowForTab(_ sender: Any?) {
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// Trigger the ghostty core event logic for a new tab.
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guard let surface = self.focusedSurface?.surface else { return }
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ghostty.newTab(surface: surface)
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}
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//MARK: - NSWindowDelegate
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// This is called when performClose is called on a window (NOT when close()
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// is called directly). performClose is called primarily when UI elements such
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// as the "red X" are pressed.
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func windowShouldClose(_ sender: NSWindow) -> Bool {
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// We must have a window. Is it even possible not to?
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guard let window = self.window else { return true }
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// If we have no surfaces, close.
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guard let node = self.surfaceTree else { return true }
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// If we already have an alert, continue with it
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guard alert == nil else { return false }
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// If our surfaces don't require confirmation, close.
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if (!node.needsConfirmQuit()) { return true }
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// We require confirmation, so show an alert as long as we aren't already.
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let alert = NSAlert()
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alert.messageText = "Close Terminal?"
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alert.informativeText = "The terminal still has a running process. If you close the " +
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"terminal the process will be killed."
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alert.addButton(withTitle: "Close the Terminal")
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alert.addButton(withTitle: "Cancel")
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alert.alertStyle = .warning
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alert.beginSheetModal(for: window, completionHandler: { response in
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self.alert = nil
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switch (response) {
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case .alertFirstButtonReturn:
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window.close()
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default:
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break
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}
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})
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self.alert = alert
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return false
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}
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func windowWillClose(_ notification: Notification) {
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// I don't know if this is required anymore. We previously had a ref cycle between
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// the view and the window so we had to nil this out to break it but I think this
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// may now be resolved. We should verify that no memory leaks and we can remove this.
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self.window?.contentView = nil
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self.relabelTabs()
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}
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func windowDidBecomeKey(_ notification: Notification) {
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self.relabelTabs()
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}
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func window(_ window: NSWindow, willEncodeRestorableState state: NSCoder) {
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let data = TerminalRestorableState()
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data.encode(with: state)
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AppDelegate.logger.warning("state window del encode")
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}
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func window(_ window: NSWindow, didDecodeRestorableState state: NSCoder) {
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AppDelegate.logger.warning("state window del restore")
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}
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//MARK: - First Responder
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@IBAction func newWindow(_ sender: Any?) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.newWindow(surface: surface)
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}
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@IBAction func newTab(_ sender: Any?) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.newTab(surface: surface)
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}
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@IBAction func close(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.requestClose(surface: surface)
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}
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@IBAction func closeWindow(_ sender: Any) {
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guard let window = window else { return }
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guard let tabGroup = window.tabGroup else {
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// No tabs, no tab group, just perform a normal close.
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window.performClose(sender)
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return
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}
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// If have one window then we just do a normal close
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if tabGroup.windows.count == 1 {
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window.performClose(sender)
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return
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}
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// Check if any windows require close confirmation.
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var needsConfirm: Bool = false
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for tabWindow in tabGroup.windows {
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guard let c = tabWindow.windowController as? TerminalController else { continue }
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if (c.surfaceTree?.needsConfirmQuit() ?? false) {
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needsConfirm = true
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break
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}
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}
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// If none need confirmation then we can just close all the windows.
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if (!needsConfirm) {
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for tabWindow in tabGroup.windows {
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tabWindow.close()
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}
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return
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}
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// If we need confirmation by any, show one confirmation for all windows
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// in the tab group.
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let alert = NSAlert()
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alert.messageText = "Close Window?"
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alert.informativeText = "All terminal sessions in this window will be terminated."
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alert.addButton(withTitle: "Close Window")
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alert.addButton(withTitle: "Cancel")
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alert.alertStyle = .warning
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alert.beginSheetModal(for: window, completionHandler: { response in
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if (response == .alertFirstButtonReturn) {
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for tabWindow in tabGroup.windows {
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tabWindow.close()
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}
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}
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})
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}
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@IBAction func splitHorizontally(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.split(surface: surface, direction: GHOSTTY_SPLIT_RIGHT)
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}
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@IBAction func splitVertically(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.split(surface: surface, direction: GHOSTTY_SPLIT_DOWN)
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}
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@IBAction func splitZoom(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitToggleZoom(surface: surface)
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}
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@IBAction func splitMoveFocusPrevious(_ sender: Any) {
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splitMoveFocus(direction: .previous)
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}
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@IBAction func splitMoveFocusNext(_ sender: Any) {
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splitMoveFocus(direction: .next)
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}
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@IBAction func splitMoveFocusAbove(_ sender: Any) {
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splitMoveFocus(direction: .top)
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}
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@IBAction func splitMoveFocusBelow(_ sender: Any) {
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splitMoveFocus(direction: .bottom)
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}
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@IBAction func splitMoveFocusLeft(_ sender: Any) {
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splitMoveFocus(direction: .left)
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}
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@IBAction func splitMoveFocusRight(_ sender: Any) {
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splitMoveFocus(direction: .right)
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}
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@IBAction func equalizeSplits(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitEqualize(surface: surface)
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}
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@IBAction func moveSplitDividerUp(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitResize(surface: surface, direction: .up, amount: 10)
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}
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@IBAction func moveSplitDividerDown(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitResize(surface: surface, direction: .down, amount: 10)
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}
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@IBAction func moveSplitDividerLeft(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitResize(surface: surface, direction: .left, amount: 10)
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}
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@IBAction func moveSplitDividerRight(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitResize(surface: surface, direction: .right, amount: 10)
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}
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private func splitMoveFocus(direction: Ghostty.SplitFocusDirection) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.splitMoveFocus(surface: surface, direction: direction)
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}
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@IBAction func toggleGhosttyFullScreen(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.toggleFullscreen(surface: surface)
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}
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@IBAction func increaseFontSize(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.changeFontSize(surface: surface, .increase(1))
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}
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@IBAction func decreaseFontSize(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.changeFontSize(surface: surface, .decrease(1))
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}
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@IBAction func resetFontSize(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.changeFontSize(surface: surface, .reset)
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}
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@IBAction func toggleTerminalInspector(_ sender: Any) {
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guard let surface = focusedSurface?.surface else { return }
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ghostty.toggleTerminalInspector(surface: surface)
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}
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//MARK: - TerminalViewDelegate
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func focusedSurfaceDidChange(to: Ghostty.SurfaceView?) {
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self.focusedSurface = to
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}
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func titleDidChange(to: String) {
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self.window?.title = to
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}
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func cellSizeDidChange(to: NSSize) {
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guard ghostty.windowStepResize else { return }
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self.window?.contentResizeIncrements = to
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}
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func lastSurfaceDidClose() {
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self.window?.close()
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}
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//MARK: - Clipboard Confirmation
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func clipboardConfirmationComplete(_ action: ClipboardConfirmationView.Action, _ request: Ghostty.ClipboardRequest) {
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// End our clipboard confirmation no matter what
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guard let cc = self.clipboardConfirmation else { return }
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self.clipboardConfirmation = nil
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// Close the sheet
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if let ccWindow = cc.window {
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window?.endSheet(ccWindow)
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}
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switch (request) {
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case .osc_52_write:
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guard case .confirm = action else { break }
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let pb = NSPasteboard.general
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pb.declareTypes([.string], owner: nil)
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pb.setString(cc.contents, forType: .string)
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case .osc_52_read, .paste:
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let str: String
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switch (action) {
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case .cancel:
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str = ""
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case .confirm:
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str = cc.contents
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}
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Ghostty.AppState.completeClipboardRequest(cc.surface, data: str, state: cc.state, confirmed: true)
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}
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}
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//MARK: - Notifications
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@objc private func onGotoTab(notification: SwiftUI.Notification) {
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guard let target = notification.object as? Ghostty.SurfaceView else { return }
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guard target == self.focusedSurface else { return }
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guard let window = self.window else { return }
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// Get the tab index from the notification
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guard let tabIndexAny = notification.userInfo?[Ghostty.Notification.GotoTabKey] else { return }
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guard let tabIndex = tabIndexAny as? Int32 else { return }
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guard let windowController = window.windowController else { return }
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guard let tabGroup = windowController.window?.tabGroup else { return }
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let tabbedWindows = tabGroup.windows
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// This will be the index we want to actual go to
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let finalIndex: Int
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// An index that is invalid is used to signal some special values.
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if (tabIndex <= 0) {
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guard let selectedWindow = tabGroup.selectedWindow else { return }
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guard let selectedIndex = tabbedWindows.firstIndex(where: { $0 == selectedWindow }) else { return }
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if (tabIndex == GHOSTTY_TAB_PREVIOUS.rawValue) {
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if (selectedIndex == 0) {
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finalIndex = tabbedWindows.count - 1
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} else {
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finalIndex = selectedIndex - 1
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}
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} else if (tabIndex == GHOSTTY_TAB_NEXT.rawValue) {
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if (selectedIndex == tabbedWindows.count - 1) {
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finalIndex = 0
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} else {
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finalIndex = selectedIndex + 1
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}
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} else {
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return
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}
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} else {
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// Tabs are 0-indexed here, so we subtract one from the key the user hit.
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finalIndex = Int(tabIndex - 1)
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}
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guard finalIndex >= 0 && finalIndex < tabbedWindows.count else { return }
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let targetWindow = tabbedWindows[finalIndex]
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targetWindow.makeKeyAndOrderFront(nil)
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|
}
|
|
|
|
|
|
@objc private func onToggleFullscreen(notification: SwiftUI.Notification) {
|
|
guard let target = notification.object as? Ghostty.SurfaceView else { return }
|
|
guard target == self.focusedSurface else { return }
|
|
|
|
// We need a window to fullscreen
|
|
guard let window = self.window else { return }
|
|
|
|
// Check whether we use non-native fullscreen
|
|
guard let useNonNativeFullscreenAny = notification.userInfo?[Ghostty.Notification.NonNativeFullscreenKey] else { return }
|
|
guard let useNonNativeFullscreen = useNonNativeFullscreenAny as? ghostty_non_native_fullscreen_e else { return }
|
|
self.fullscreenHandler.toggleFullscreen(window: window, nonNativeFullscreen: useNonNativeFullscreen)
|
|
|
|
// For some reason focus always gets lost when we toggle fullscreen, so we set it back.
|
|
if let focusedSurface {
|
|
Ghostty.moveFocus(to: focusedSurface)
|
|
}
|
|
}
|
|
|
|
@objc private func onConfirmClipboardRequest(notification: SwiftUI.Notification) {
|
|
guard let target = notification.object as? Ghostty.SurfaceView else { return }
|
|
guard target == self.focusedSurface else { return }
|
|
guard let surface = target.surface else { return }
|
|
|
|
// We need a window
|
|
guard let window = self.window else { return }
|
|
|
|
// Check whether we use non-native fullscreen
|
|
guard let str = notification.userInfo?[Ghostty.Notification.ConfirmClipboardStrKey] as? String else { return }
|
|
guard let state = notification.userInfo?[Ghostty.Notification.ConfirmClipboardStateKey] as? UnsafeMutableRawPointer? else { return }
|
|
guard let request = notification.userInfo?[Ghostty.Notification.ConfirmClipboardRequestKey] as? Ghostty.ClipboardRequest else { return }
|
|
|
|
// If we already have a clipboard confirmation view up, we ignore this request.
|
|
// This shouldn't be possible...
|
|
guard self.clipboardConfirmation == nil else {
|
|
Ghostty.AppState.completeClipboardRequest(surface, data: "", state: state, confirmed: true)
|
|
return
|
|
}
|
|
|
|
// Show our paste confirmation
|
|
self.clipboardConfirmation = ClipboardConfirmationController(
|
|
surface: surface,
|
|
contents: str,
|
|
request: request,
|
|
state: state,
|
|
delegate: self
|
|
)
|
|
window.beginSheet(self.clipboardConfirmation!.window!)
|
|
}
|
|
}
|