mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-04-20 08:28:51 +03:00
7036676ec0
Prior to this commit, the shortcut shown on the tab would not be updated until a focus change occurred. There is no event for this so the way we do it is by listening for the tab view frame to change, comparing the window state, and then updating labels.
506 lines
20 KiB
Swift
506 lines
20 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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// 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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// If the user tabbing preference is always, then macOS automatically tabs
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// all new windows. Ghostty handles its own tabbing so we DONT want this behavior.
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// This detects this scenario and undoes it.
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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 (NSWindow.userTabbingPreference == .always &&
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!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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//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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self.window?.performClose(sender)
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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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finalIndex = selectedIndex - 1
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} else if (tabIndex == GHOSTTY_TAB_NEXT.rawValue) {
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finalIndex = selectedIndex + 1
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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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}
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@objc private func onToggleFullscreen(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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// We need a window to fullscreen
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guard let window = self.window else { return }
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// Check whether we use non-native fullscreen
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guard let useNonNativeFullscreenAny = notification.userInfo?[Ghostty.Notification.NonNativeFullscreenKey] else { return }
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guard let useNonNativeFullscreen = useNonNativeFullscreenAny as? ghostty_non_native_fullscreen_e else { return }
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self.fullscreenHandler.toggleFullscreen(window: window, nonNativeFullscreen: useNonNativeFullscreen)
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// For some reason focus always gets lost when we toggle fullscreen, so we set it back.
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if let focusedSurface {
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Ghostty.moveFocus(to: focusedSurface)
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}
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}
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@objc private func onConfirmClipboardRequest(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 surface = target.surface else { return }
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// We need a window
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guard let window = self.window else { return }
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// Check whether we use non-native fullscreen
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guard let str = notification.userInfo?[Ghostty.Notification.ConfirmClipboardStrKey] as? String else { return }
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guard let state = notification.userInfo?[Ghostty.Notification.ConfirmClipboardStateKey] as? UnsafeMutableRawPointer? else { return }
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guard let request = notification.userInfo?[Ghostty.Notification.ConfirmClipboardRequestKey] as? Ghostty.ClipboardRequest else { return }
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// If we already have a clipboard confirmation view up, we ignore this request.
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// This shouldn't be possible...
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guard self.clipboardConfirmation == nil else {
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Ghostty.AppState.completeClipboardRequest(surface, data: "", state: state, confirmed: true)
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return
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}
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// Show our paste confirmation
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self.clipboardConfirmation = ClipboardConfirmationController(
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surface: surface,
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contents: str,
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request: request,
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state: state,
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delegate: self
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)
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window.beginSheet(self.clipboardConfirmation!.window!)
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}
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}
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