Settings: About and epsilon updtate section

Author: EllandeVED

NumWorksMac/UI/Settings/MITLicence.swift

@@ -0,0 +1,56 @@
+//
+//  MITLiscence.swift
+//  NumworksApplication
+//
+//  Created by van Egmond Dascon on 08/02/2026.
+//
+
+import SwiftUI
+import AppKit
+
+enum MITLiscence {
+    static func present() {
+        let panel = NSPanel(
+            contentRect: NSRect(x: 0, y: 0, width: 560, height: 520),
+            styleMask: [.titled, .closable],
+            backing: .buffered,
+            defer: false
+        )
+        panel.title = "Copyright (c) 2026 EllandeVED"
+        panel.center()
+
+        panel.standardWindowButton(.miniaturizeButton)?.isHidden = true
+        panel.standardWindowButton(.zoomButton)?.isHidden = true
+
+        panel.contentView = NSHostingView(rootView: MITLiscenceView())
+
+        panel.makeKeyAndOrderFront(nil)
+        NSApp.activate(ignoringOtherApps: true)
+    }
+}
+
+private struct MITLiscenceView: View {
+    private let text = """
+MIT License
+
+Copyright (c) 2026 EllandeVED
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the \"Software\"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+"""
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            ScrollView {
+                Text(text)
+                    .font(.system(.body, design: .monospaced))
+                    .textSelection(.enabled)
+                    .frame(maxWidth: .infinity, alignment: .leading)
+            }
+        }
+        .padding(16)
+    }
+}

NumWorksMac/UI/Settings/SettingsView.swift

@@ -185,14 +185,33 @@ private struct AppUpdateSettingsPane: View {
 }
 
 private struct EpsilonUpdateSettingsPane: View {
+    @State private var currentSimulatorVersion: String = ""
+    @State private var isChecking = false
+
     var body: some View {
         VStack(alignment: .leading, spacing: 12) {
             Text("Epsilon Update")
                 .font(.title2)
                 .bold()
 
-            Text("Add Epsilon-specific update options here.")
-                .foregroundStyle(.secondary)
+            HStack(spacing: 8) {
+                Text("Current version:")
+                Text(currentSimulatorVersion)
+                    .monospaced()
+                    .foregroundStyle(.secondary)
+            }
+
+            Button {
+                checkForUpdates()
+            } label: {
+                if isChecking {
+                    ProgressView()
+                        .controlSize(.small)
+                } else {
+                    Text("Check for updates")
+                }
+            }
+            .disabled(isChecking)
 
             Spacer()
         }
@@ -207,18 +226,90 @@ private struct EpsilonUpdateSettingsPane: View {
                     .foregroundStyle(.white)
             }
         }
+        .onAppear {
+            currentSimulatorVersion = simulatorVersionString()
+        }
+    }
+
+    private func simulatorVersionString() -> String {
+        UserDefaults.standard.string(forKey: "installedSimulatorVersion") ?? EpsilonVersions.bundledSimulator
+    }
+
+    private func checkForUpdates() {
+        guard !isChecking else { return }
+        isChecking = true
+
+        Task { @MainActor in
+            defer { isChecking = false }
+            do {
+                let current = simulatorVersionString()
+                let report = try await EpsilonUpdateChecker.checkLatest(currentVersionString: current)
+
+                if report.needsUpdate {
+                    NotificationCenter.default.post(
+                        name: .requestEpsilonUpdateUI,
+                        object: nil,
+                        userInfo: [
+                            "remoteURL": report.remoteURL,
+                            "remoteVersion": report.remoteVersion.string,
+                            "required": false
+                        ]
+                    )
+                }
+
+                currentSimulatorVersion = simulatorVersionString()
+            } catch {
+                print("[Settings] epsilon update check failed: \(error)")
+            }
+        }
     }
 }
 
 private struct AboutSettingsPane: View {
+    private let repoURL = URL(string: "https://github.com/EllandeVED/NumworksApplication")!
+
     var body: some View {
         VStack(alignment: .leading, spacing: 12) {
             Text("About")
                 .font(.title2)
                 .bold()
 
-            Text("Build info, credits, links, etc.")
-                .foregroundStyle(.secondary)
+            HStack(spacing: 8) {
+                Text("App version")
+                    .fontWeight(.bold)
+                Text(appVersionString())
+                    .monospaced()
+                    .foregroundStyle(.secondary)
+            }
+
+            HStack(spacing: 8) {
+                Text("Running on Epsilon")
+                Text(simulatorVersionString())
+                    .monospaced()
+                    .foregroundStyle(.secondary)
+            }
+
+            Divider().padding(.vertical, 6)
+
+            HStack(spacing: 8) {
+                Text("Made by")
+                    .fontWeight(.bold)
+                Text("Ellande VED")
+            }
+
+            Link("See on GitHub: NumworksApplication", destination: repoURL)
+
+            Link("Report an issue/request: Report", destination: repoURL)
+
+            Divider().padding(.vertical, 6)
+
+            Button {
+                MITLiscence.present()
+            } label: {
+                Text("MIT LISCENCE")
+                    .foregroundStyle(.blue)
+            }
+            .buttonStyle(.plain)
 
             Spacer()
         }
@@ -234,6 +325,16 @@ private struct AboutSettingsPane: View {
             }
         }
     }
+
+    private func appVersionString() -> String {
+        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
+        ?? Bundle.main.infoDictionary?["CFBundleVersion"] as? String
+        ?? ""
+    }
+
+    private func simulatorVersionString() -> String {
+        UserDefaults.standard.string(forKey: "installedSimulatorVersion") ?? EpsilonVersions.bundledSimulator
+    }
 }
 
 extension KeyboardShortcuts.Name {
@@ -245,3 +346,4 @@ extension Notification.Name {
     static let settingsWindowDidAppear = Notification.Name("settingsWindowDidAppear")
     static let settingsWindowDidDisappear = Notification.Name("settingsWindowDidDisappear")
 }
+

NumworksApplication.xcodeproj/project.pbxproj

@@ -59,12 +59,12 @@
 				Core/WindowManagement.swift,
 				README_STRUCTURE.txt,
 				Resources/Assets.xcassets,
-				"Resources/DefaultSimulator/numworks-simulator.html",
 				UI/Calculator/CalculatorView.swift,
 				UI/Calculator/CalculatorWebView.swift,
 				UI/Calculator/CalculatorWindow.swift,
 				UI/MenuBar/MenuBarPopoverView.swift,
 				UI/RootView.swift,
+				UI/Settings/MITLicence.swift,
 				UI/Settings/SettingsView.swift,
 				UI/Updates/AppUpdateView.swift,
 				UI/Updates/SimulatorUpdateView.swift,
@@ -93,12 +93,12 @@
 				Core/WindowManagement.swift,
 				README_STRUCTURE.txt,
 				Resources/Assets.xcassets,
-				"Resources/DefaultSimulator/numworks-simulator.html",
 				UI/Calculator/CalculatorView.swift,
 				UI/Calculator/CalculatorWebView.swift,
 				UI/Calculator/CalculatorWindow.swift,
 				UI/MenuBar/MenuBarPopoverView.swift,
 				UI/RootView.swift,
+				UI/Settings/MITLicence.swift,
 				UI/Settings/SettingsView.swift,
 				UI/Updates/AppUpdateView.swift,
 				UI/Updates/SimulatorUpdateView.swift,