Clean up repository structure and release docs
This commit is contained in:
Akshay Kolli
470
sources/app/IHatePDFsApp.swift
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470
sources/app/IHatePDFsApp.swift
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@@ -0,0 +1,470 @@
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import AppKit
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import IHatePDFsCore
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import SwiftUI
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@main
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struct IHatePDFsApp: App {
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@NSApplicationDelegateAdaptor(AppDelegate.self) private var appDelegate
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var body: some Scene {
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WindowGroup {
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AppWindowRoot()
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}
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.windowStyle(.titleBar)
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.commands {
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AppCommands()
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}
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Settings {
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SettingsView()
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}
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}
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}
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@MainActor
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private final class AppDelegate: NSObject, NSApplicationDelegate {
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func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
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true
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}
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func applicationShouldTerminate(_ sender: NSApplication) -> NSApplication.TerminateReply {
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AppStateRegistry.shared.confirmApplicationShouldTerminate()
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? .terminateNow
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: .terminateCancel
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}
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}
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@MainActor
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private final class AppStateRegistry {
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static let shared = AppStateRegistry()
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private var appStates: [WeakAppState] = []
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private(set) var isTerminationApproved = false
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func register(_ appState: AppState) {
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prune()
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guard !appStates.contains(where: { $0.value === appState }) else {
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return
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}
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appStates.append(WeakAppState(appState))
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}
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func unregister(_ appState: AppState) {
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appStates.removeAll { $0.value == nil || $0.value === appState }
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}
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func confirmApplicationShouldTerminate() -> Bool {
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prune()
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for appState in appStates.compactMap(\.value) {
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guard appState.confirmApplicationQuit() else {
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cancelTerminationApproval()
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return false
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}
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}
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isTerminationApproved = true
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return true
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}
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func cancelTerminationApproval() {
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isTerminationApproved = false
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}
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func closeOtherEmptyWindows(keeping activeAppState: AppState) {
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prune()
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for appState in appStates.compactMap(\.value) where appState !== activeAppState {
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guard appState.document == nil,
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!appState.hasUnsavedWork,
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let window = appState.hostingWindow
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else {
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continue
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}
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window.close()
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}
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}
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private func prune() {
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appStates.removeAll { $0.value == nil }
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}
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}
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private final class WeakAppState {
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weak var value: AppState?
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init(_ value: AppState) {
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self.value = value
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}
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}
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private struct AppWindowRoot: View {
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@StateObject private var appState = AppState()
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var body: some View {
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MainView()
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.environmentObject(appState)
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.focusedObject(appState)
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.background(WindowCloseGuard(appState: appState))
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.onOpenURL { url in
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appState.loadDocument(from: url)
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if appState.documentURL == url {
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AppStateRegistry.shared.closeOtherEmptyWindows(keeping: appState)
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}
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}
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.onAppear {
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AppStateRegistry.shared.register(appState)
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}
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.onDisappear {
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AppStateRegistry.shared.unregister(appState)
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}
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}
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}
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private struct WindowCloseGuard: NSViewRepresentable {
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@ObservedObject var appState: AppState
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func makeCoordinator() -> Coordinator {
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Coordinator(appState: appState)
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}
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func makeNSView(context: Context) -> WindowCloseGuardView {
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let view = WindowCloseGuardView()
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view.onWindowChange = { [weak coordinator = context.coordinator] window in
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coordinator?.attach(to: window)
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}
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return view
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}
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func updateNSView(_ view: WindowCloseGuardView, context: Context) {
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context.coordinator.appState = appState
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context.coordinator.updateDocumentState()
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view.onWindowChange = { [weak coordinator = context.coordinator] window in
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coordinator?.attach(to: window)
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}
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view.reportWindow()
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}
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@MainActor
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final class Coordinator: NSObject, NSWindowDelegate {
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weak var appState: AppState?
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private weak var window: NSWindow?
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private weak var previousDelegate: NSWindowDelegate?
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init(appState: AppState) {
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self.appState = appState
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}
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func attach(to window: NSWindow?) {
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guard self.window !== window else { return }
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if let oldWindow = self.window, oldWindow.delegate === self {
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oldWindow.delegate = previousDelegate
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}
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self.window = window
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previousDelegate = window?.delegate
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appState?.hostingWindow = window
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if window?.delegate !== self {
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window?.delegate = self
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}
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updateDocumentState()
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}
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func updateDocumentState() {
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guard let window else { return }
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let representedURL = appState?.documentURL
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if window.representedURL != representedURL {
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window.representedURL = representedURL
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}
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let isDocumentEdited = appState?.hasUnsavedWork == true
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if window.isDocumentEdited != isDocumentEdited {
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window.isDocumentEdited = isDocumentEdited
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}
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}
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func windowShouldClose(_ sender: NSWindow) -> Bool {
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if previousDelegate?.windowShouldClose?(sender) == false {
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AppStateRegistry.shared.cancelTerminationApproval()
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return false
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}
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if AppStateRegistry.shared.isTerminationApproved {
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return true
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}
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return appState?.confirmDocumentWindowClose() ?? true
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}
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func windowWillClose(_ notification: Notification) {
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previousDelegate?.windowWillClose?(notification)
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if window?.delegate === self {
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window?.delegate = previousDelegate
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}
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appState?.hostingWindow = nil
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window = nil
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previousDelegate = nil
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}
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deinit {
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MainActor.assumeIsolated {
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if window?.delegate === self {
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window?.delegate = previousDelegate
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}
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}
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}
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}
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}
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private final class WindowCloseGuardView: NSView {
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var onWindowChange: ((NSWindow?) -> Void)?
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override func viewDidMoveToWindow() {
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super.viewDidMoveToWindow()
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reportWindow()
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}
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func reportWindow() {
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DispatchQueue.main.async { [weak self] in
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guard let self else { return }
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onWindowChange?(window)
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}
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}
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}
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private struct AppCommands: Commands {
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@FocusedObject private var appState: AppState?
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private var hasDocument: Bool {
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appState?.document != nil
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}
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private var hasTextSelection: Bool {
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appState?.hasTextSelection == true
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}
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private var isHighlighterModeActive: Bool {
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appState?.isHighlighterModeActive == true
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}
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private var canSaveDocument: Bool {
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appState?.canSaveDocument == true
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}
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private var recentDocumentURLs: [URL] {
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appState?.recentDocumentURLs ?? []
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}
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private var saveHelpText: String {
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appState?.saveHelpText ?? "Open a PDF before saving."
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}
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var body: some Commands {
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CommandGroup(replacing: .newItem) {
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Button("Open...") {
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appState?.openDocument()
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}
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.keyboardShortcut("o")
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.disabled(appState == nil)
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Menu("Open Recent") {
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if recentDocumentURLs.isEmpty {
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Button("No Recent PDFs") {}
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.disabled(true)
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} else {
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ForEach(recentDocumentURLs, id: \.self) { url in
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Button(url.lastPathComponent) {
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appState?.openRecentDocument(url)
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}
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.help(url.path)
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}
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Divider()
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Button("Clear Menu") {
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appState?.clearRecentDocuments()
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}
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}
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}
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.disabled(appState == nil)
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Button("Save") {
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appState?.saveDocument()
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}
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.keyboardShortcut("s")
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.disabled(!canSaveDocument)
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.help(saveHelpText)
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Button("Save As...") {
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appState?.saveDocumentAs()
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}
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.keyboardShortcut("s", modifiers: [.command, .shift])
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.disabled(!hasDocument)
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Button("Share...") {
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appState?.shareDocument()
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}
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.keyboardShortcut("e", modifiers: [.command, .shift])
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.disabled(!hasDocument)
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Divider()
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Button("Settings...") {
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openSettingsWindow()
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}
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.keyboardShortcut(",")
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Divider()
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Button(hasDocument ? "Close PDF" : "Close Window") {
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if hasDocument {
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appState?.closeDocument()
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} else {
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NSApp.keyWindow?.performClose(nil)
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}
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}
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.keyboardShortcut("w")
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.disabled(appState == nil)
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}
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CommandGroup(after: .textEditing) {
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Button("Find in PDF") {
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appState?.showSearch()
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}
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.keyboardShortcut("f")
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.disabled(!hasDocument)
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Button("Find Next") {
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appState?.nextSearchResult()
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}
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.keyboardShortcut("g")
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.disabled(appState?.searchResults.isEmpty != false)
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Button("Find Previous") {
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appState?.previousSearchResult()
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}
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.keyboardShortcut("g", modifiers: [.command, .shift])
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.disabled(appState?.searchResults.isEmpty != false)
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}
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CommandGroup(after: .toolbar) {
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Button("Toggle Page Sidebar") {
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appState?.togglePageSidebar()
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}
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.keyboardShortcut("0", modifiers: [.command, .option])
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.disabled(!hasDocument)
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Button("Toggle Annotation List") {
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appState?.toggleAnnotationSidebar()
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}
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.keyboardShortcut("2", modifiers: [.command, .option])
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.disabled(!hasDocument)
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Button("Toggle Right Sidebar") {
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appState?.toggleRightSidebarVisibility()
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}
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.keyboardShortcut("1", modifiers: [.command, .option])
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.disabled(!hasDocument)
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Divider()
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Button("Zoom In") {
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appState?.zoomIn()
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}
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.keyboardShortcut("+")
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.disabled(!hasDocument)
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Button("Zoom Out") {
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appState?.zoomOut()
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}
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.keyboardShortcut("-")
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.disabled(!hasDocument)
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Button("Fit to Width") {
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appState?.fitWidth()
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}
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.keyboardShortcut("9", modifiers: [.command])
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.disabled(!hasDocument)
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Button("Fit to Page") {
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appState?.fitPage()
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}
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.keyboardShortcut("8", modifiers: [.command])
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.disabled(!hasDocument)
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Button("Two Pages Continuous") {
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appState?.twoPageContinuous()
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}
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.keyboardShortcut("7", modifiers: [.command])
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.disabled(!hasDocument)
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}
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CommandMenu("Annotate") {
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Button(isHighlighterModeActive ? "Turn Highlighter Off" : "Turn Highlighter On") {
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appState?.toggleHighlighterMode()
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}
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.keyboardShortcut("h", modifiers: [.command, .shift])
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.disabled(!hasDocument)
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Button("Underline Selection") {
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appState?.addUnderline()
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}
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.keyboardShortcut("u", modifiers: [.command, .shift])
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.disabled(!hasDocument || !hasTextSelection)
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Button("Comment on Selection") {
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appState?.addComment()
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}
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.keyboardShortcut("n", modifiers: [.command, .shift])
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.disabled(!hasDocument || !hasTextSelection)
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Button("Add Free Text") {
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appState?.addFreeText()
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}
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.keyboardShortcut("t", modifiers: [.command, .shift])
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.disabled(!hasDocument)
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}
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CommandMenu("Bookmark") {
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Button(appState?.bookmarkActionTitle ?? "Add Bookmark") {
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appState?.toggleBookmarkForCurrentPage()
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}
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.keyboardShortcut("b", modifiers: [.command])
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.disabled(!hasDocument)
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Button("Go to Bookmark") {
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appState?.goToSavedBookmark()
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}
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.keyboardShortcut("b", modifiers: [.command, .option])
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.disabled(appState?.savedBookmark == nil)
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}
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CommandGroup(after: .windowArrangement) {
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Button("Minimize") {
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appState?.minimizeWindow()
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}
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.keyboardShortcut("m", modifiers: [.command])
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.disabled(appState == nil)
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Button("Toggle Full Screen") {
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appState?.toggleFullScreen()
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}
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.keyboardShortcut("f", modifiers: [.command, .control])
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.disabled(appState == nil)
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}
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}
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private func openSettingsWindow() {
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if !NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil) {
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NSApp.sendAction(Selector(("showPreferencesWindow:")), to: nil, from: nil)
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}
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}
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}
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Reference in New Issue
Block a user