119 lines
3.2 KiB
Swift
119 lines
3.2 KiB
Swift
import SwiftUI
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import Combine
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/// Manages multiple terminal tabs. Singleton shared across all screens —
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/// whichever notch is currently open displays these tabs.
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@MainActor
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class TerminalManager: ObservableObject {
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static let shared = TerminalManager()
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@Published var tabs: [TerminalSession] = []
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@Published var activeTabIndex: Int = 0
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@AppStorage(NotchSettings.Keys.terminalFontSize)
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private var fontSize: Double = NotchSettings.Defaults.terminalFontSize
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@AppStorage(NotchSettings.Keys.terminalTheme)
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private var theme: String = NotchSettings.Defaults.terminalTheme
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private var cancellables = Set<AnyCancellable>()
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private init() {
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newTab()
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}
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// MARK: - Active tab
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var activeTab: TerminalSession? {
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guard tabs.indices.contains(activeTabIndex) else { return nil }
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return tabs[activeTabIndex]
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}
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/// Short title for the closed notch bar — the active tab's process name.
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var activeTitle: String {
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activeTab?.title ?? "shell"
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}
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// MARK: - Tab operations
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func newTab() {
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let session = TerminalSession(
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fontSize: CGFloat(fontSize),
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theme: TerminalTheme.resolve(theme)
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)
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// Forward title changes to trigger view updates in this manager
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session.$title
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.receive(on: RunLoop.main)
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.sink { [weak self] _ in self?.objectWillChange.send() }
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.store(in: &cancellables)
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tabs.append(session)
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activeTabIndex = tabs.count - 1
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}
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func closeTab(at index: Int) {
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guard tabs.indices.contains(index) else { return }
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tabs[index].terminate()
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tabs.remove(at: index)
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// Adjust active index
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if tabs.isEmpty {
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newTab()
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} else if activeTabIndex >= tabs.count {
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activeTabIndex = tabs.count - 1
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}
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}
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func closeActiveTab() {
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closeTab(at: activeTabIndex)
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}
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func switchToTab(at index: Int) {
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guard tabs.indices.contains(index) else { return }
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activeTabIndex = index
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}
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func nextTab() {
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guard tabs.count > 1 else { return }
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activeTabIndex = (activeTabIndex + 1) % tabs.count
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}
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func previousTab() {
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guard tabs.count > 1 else { return }
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activeTabIndex = (activeTabIndex - 1 + tabs.count) % tabs.count
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}
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/// Removes the tab at the given index and returns the session so it
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/// can be hosted in a pop-out window.
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func detachTab(at index: Int) -> TerminalSession? {
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guard tabs.indices.contains(index) else { return nil }
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let session = tabs.remove(at: index)
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if tabs.isEmpty {
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newTab()
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} else if activeTabIndex >= tabs.count {
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activeTabIndex = tabs.count - 1
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}
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return session
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}
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func detachActiveTab() -> TerminalSession? {
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detachTab(at: activeTabIndex)
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}
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/// Updates font size on all existing terminal sessions.
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func updateAllFontSizes(_ size: CGFloat) {
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for tab in tabs {
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tab.updateFontSize(size)
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}
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}
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func updateAllThemes(_ theme: TerminalTheme) {
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for tab in tabs {
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tab.applyTheme(theme)
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}
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}
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}
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