native macOS codings agent orchestrator prowl.onev.cat
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struct DiffWindowContentView: View { var state: DiffWindowState @State private var columnVisibility: NavigationSplitViewVisibility = .automatic @AppStorage("diffViewStyle") private var diffStyleRaw = DiffStyle.split.rawValue @Environment(\.resolvedKeybindings) private var resolvedKeybindings @Shared(.settingsFile) private var settingsFile @Environment(\.colorScheme) private var colorScheme
private var diffStyle: DiffStyle { DiffStyle(rawValue: diffStyleRaw) ?? .split }
private var emptyState: (title: String, description: String) { switch state.mode { case .uncommitted: (String(localized: "No Changes"), String(localized: "Working directory is clean")) case .outgoing: (String(localized: "No Outgoing Changes"), outgoingEmptyDescription) } }
private var outgoingEmptyDescription: String { guard let base = state.outgoingBase else { return String(localized: "This branch has no committed changes relative to its base") } return String( localized: "This branch has no committed changes relative to \(base.displayName) (\(base.source.label))" ) }
private var modeSelection: Binding<DiffMode> { Binding( get: { state.mode }, set: { state.setMode($0) }, ) }
private var resolvedDiffAppearance: DiffAppearance { switch settingsFile.global.appearanceMode { case .system: colorScheme == .dark ? .dark : .light case .light: .light case .dark: .dark } }
private var selectedFileID: Binding<String?> { Binding( get: { state.selectedFile?.id }, set: { id in if let id, let file = state.changedFiles.first(where: { $0.id == id }) { state.selectFile(file) } }, ) }
var body: some View { NavigationSplitView(columnVisibility: $columnVisibility) { fileListSidebar .navigationSplitViewColumnWidth(min: 200, ideal: 250, max: 400) } detail: { diffDetail } .focusedSceneAction(\.toggleLeftSidebarAction, enabled: true) { toggleSidebar() } .toolbar(id: "diffToolbar") { ToolbarItem(id: "sidebarToggle", placement: .navigation) { Button { toggleSidebar() } label: { Image(systemName: "sidebar.left") .accessibilityLabel("Toggle Sidebar") } .help( AppShortcuts.helpText( title: "Toggle Sidebar", commandID: AppShortcuts.CommandID.toggleLeftSidebar, in: resolvedKeybindings )) } ToolbarItem(id: "diffMode", placement: .principal) { Picker("Diff Mode", selection: modeSelection) { Text("Uncommitted") .tag(DiffMode.uncommitted) .help( AppShortcuts.helpText( title: "Show uncommitted changes", commandID: AppShortcuts.CommandID.showDiff, in: resolvedKeybindings )) Text("Outgoing") .tag(DiffMode.outgoing) .help( AppShortcuts.helpText( title: "Show outgoing changes", commandID: AppShortcuts.CommandID.outgoingChanges, in: resolvedKeybindings )) } .pickerStyle(.segmented) .disabled(!state.canSwitchModes) .help("Switch between uncommitted and outgoing changes") } ToolbarItem(id: "diffStyle", placement: .primaryAction) { Picker("Diff Style", selection: $diffStyleRaw) { Image(systemName: "square.split.2x1") .accessibilityLabel("Split") .tag(DiffStyle.split.rawValue) .help("Split") Image(systemName: "text.justify.left") .accessibilityLabel("Unified") .tag(DiffStyle.unified.rawValue) .help("Unified") } .pickerStyle(.segmented) .help("Diff Style") } } .background { WindowAppearanceSetter(colorScheme: settingsFile.global.appearanceMode.colorScheme) } }
private func toggleSidebar() { withAnimation { columnVisibility = columnVisibility == .detailOnly ? .automatic : .detailOnly } }
// MARK: - File List
private var fileListSidebar: some View { List(selection: selectedFileID) { if let base = state.outgoingBase { Section { fileRows } header: { Text("vs \(base.displayName) · \(base.source.label)") .lineLimit(1) .truncationMode(.middle) .help("Comparing committed changes against \(base.displayName) (\(base.source.label))") } } else { fileRows } } .listStyle(.sidebar) .overlay { if state.isLoadingFiles && state.changedFiles.isEmpty { ProgressView() } else if let loadError = state.loadError { ContentUnavailableView( "Unable to Load Changes", systemImage: "exclamationmark.triangle", description: Text(loadError), ) } else if !state.isLoadingFiles && state.changedFiles.isEmpty { ContentUnavailableView( emptyState.title, systemImage: "checkmark.circle", description: Text(emptyState.description), ) } } }
private var fileRows: some View { ForEach(state.changedFiles) { file in FileRowView(file: file) .tag(file.id) } }
// MARK: - Diff Detail
private var diffDetail: some View { Group { if let document = state.diffDocument { DiffView( document: document, configuration: DiffConfiguration( appearance: resolvedDiffAppearance, style: diffStyle, showsFileHeaders: false, ), onEvent: { event in switch event { case .didRender: state.markDiffRendered() case .didFail(let error): state.markDiffFailed(error) default: break } } ) // YiTong skips re-rendering a value-equal document, so retrying after a // render failure works by recreating the view with a new identity. .id(state.renderGeneration) .overlay { switch state.renderState { case .rendering: ProgressView() .controlSize(.small) .padding(12) .background(.regularMaterial, in: Circle()) .transition(.opacity) case .failed(let renderError): VStack(spacing: 6) { Image(systemName: "exclamationmark.triangle") .foregroundStyle(.orange) .accessibilityHidden(true) Text(renderError.message) .font(.caption) .multilineTextAlignment(.center) } .padding(12) .frame(maxWidth: 240) .background(.regularMaterial, in: RoundedRectangle(cornerRadius: 8)) .transition(.opacity) case .idle: EmptyView() } } .animation(.easeInOut(duration: 0.15), value: state.renderState) } else if let loadError = state.loadError { ContentUnavailableView( "Unable to Load Changes", systemImage: "exclamationmark.triangle", description: Text(loadError), ) } else if state.isLoadingFiles { ProgressView() .frame(maxWidth: .infinity, maxHeight: .infinity) } else { ContentUnavailableView( "Select a File", systemImage: "doc.text", description: Text("Choose a file from the sidebar to view changes"), ) } } }}
// MARK: - Status Color
extension DiffFileStatus { var color: Color { switch self { case .modified: .orange case .added: .green case .deleted: .red case .renamed: .blue case .copied: .blue case .unknown: .secondary } }}
// MARK: - File Row
private struct FileRowView: View { let file: DiffChangedFile
var body: some View { HStack(spacing: 6) { Text(file.statusSymbol) .font(.caption) .monospaced() .foregroundStyle(file.status.color) .frame(width: 14, alignment: .center) VStack(alignment: .leading, spacing: 1) { Text(file.displayName) .font(.body) .lineLimit(1) if !file.directoryPath.isEmpty { Text(file.directoryPath) .font(.caption) .foregroundStyle(.secondary) .lineLimit(1) .truncationMode(.head) } } } }}