281 lines
12 KiB
Swift
281 lines
12 KiB
Swift
import AppKit
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import ConjureKit
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@MainActor
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final class LauncherWindowController: NSWindowController, NSWindowDelegate, NSSearchFieldDelegate, NSTableViewDataSource, NSTableViewDelegate {
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private let searchField = NSSearchField()
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private let tableView = ApplicationTableView()
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private let statusLabel = NSTextField(labelWithString: "Finding applications…")
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private let emptyLabel = NSTextField(labelWithString: "Finding applications…")
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private let openButton = NSButton(title: "Open Application", target: nil, action: nil)
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private var applications: [Application] = []
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private var results: [Application] = []
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private var discoveryTask: Task<Void, Never>?
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private var isLaunching = false
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init() {
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let window = NSWindow(
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contentRect: NSRect(x: 0, y: 0, width: 640, height: 480),
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styleMask: [.titled, .closable, .miniaturizable, .resizable],
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backing: .buffered,
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defer: false
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)
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window.title = "Conjure"
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window.contentMinSize = NSSize(width: 420, height: 300)
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window.isReleasedWhenClosed = false
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window.center()
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super.init(window: window)
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configureContent(in: window)
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window.delegate = self
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}
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required init?(coder: NSCoder) {
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fatalError("Conjure creates its window programmatically")
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}
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func present() {
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searchField.stringValue = ""
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updateResults()
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window?.deminiaturize(nil)
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showWindow(nil)
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NSApp.activate()
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window?.makeKeyAndOrderFront(nil)
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window?.makeFirstResponder(searchField)
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refreshApplications()
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}
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func windowDidResignKey(_ notification: Notification) {
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guard !isLaunching, window?.attachedSheet == nil else { return }
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window?.orderOut(nil)
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}
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private func configureContent(in window: NSWindow) {
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guard let content = window.contentView else { return }
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searchField.placeholderString = "Search applications"
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searchField.controlSize = .large
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searchField.font = .systemFont(ofSize: NSFont.systemFontSize(for: .large))
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searchField.sendsSearchStringImmediately = true
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searchField.sendsWholeSearchString = false
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searchField.delegate = self
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searchField.setAccessibilityLabel("Search applications")
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let column = NSTableColumn(identifier: NSUserInterfaceItemIdentifier("application"))
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column.resizingMask = .autoresizingMask
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tableView.addTableColumn(column)
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tableView.headerView = nil
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tableView.style = .inset
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tableView.rowHeight = 44
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tableView.columnAutoresizingStyle = .uniformColumnAutoresizingStyle
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tableView.allowsMultipleSelection = false
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tableView.allowsEmptySelection = false
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tableView.dataSource = self
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tableView.delegate = self
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tableView.target = self
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tableView.doubleAction = #selector(openSelection)
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tableView.openSelection = { [weak self] in self?.openSelection() }
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tableView.dismiss = { [weak self] in self?.window?.orderOut(nil) }
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tableView.editSearch = { [weak self] event in
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guard let self, let window = self.window else { return }
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window.makeFirstResponder(self.searchField)
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self.searchField.currentEditor()?.keyDown(with: event)
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}
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tableView.setAccessibilityLabel("Applications")
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let scrollView = NSScrollView()
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scrollView.documentView = tableView
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scrollView.hasVerticalScroller = true
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scrollView.autohidesScrollers = true
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scrollView.borderType = .noBorder
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statusLabel.font = .systemFont(ofSize: NSFont.smallSystemFontSize)
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statusLabel.textColor = .secondaryLabelColor
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statusLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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emptyLabel.textColor = .secondaryLabelColor
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emptyLabel.alignment = .center
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openButton.bezelStyle = .rounded
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openButton.keyEquivalent = "\r"
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openButton.target = self
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openButton.action = #selector(openSelection)
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openButton.isEnabled = false
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openButton.toolTip = "Open the selected application (Return). Use ↑ and ↓ to select."
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let footer = NSStackView(views: [statusLabel, NSView(), openButton])
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footer.orientation = .horizontal
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footer.spacing = 12
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for view in [searchField, scrollView, emptyLabel, footer] {
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view.translatesAutoresizingMaskIntoConstraints = false
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content.addSubview(view)
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}
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NSLayoutConstraint.activate([
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searchField.topAnchor.constraint(equalTo: content.topAnchor, constant: 16),
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searchField.leadingAnchor.constraint(equalTo: content.leadingAnchor, constant: 16),
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searchField.trailingAnchor.constraint(equalTo: content.trailingAnchor, constant: -16),
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scrollView.topAnchor.constraint(equalTo: searchField.bottomAnchor, constant: 12),
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scrollView.leadingAnchor.constraint(equalTo: content.leadingAnchor),
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scrollView.trailingAnchor.constraint(equalTo: content.trailingAnchor),
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scrollView.bottomAnchor.constraint(equalTo: footer.topAnchor, constant: -12),
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emptyLabel.centerXAnchor.constraint(equalTo: scrollView.centerXAnchor),
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emptyLabel.centerYAnchor.constraint(equalTo: scrollView.centerYAnchor),
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emptyLabel.leadingAnchor.constraint(greaterThanOrEqualTo: content.leadingAnchor, constant: 16),
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emptyLabel.trailingAnchor.constraint(lessThanOrEqualTo: content.trailingAnchor, constant: -16),
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footer.leadingAnchor.constraint(equalTo: content.leadingAnchor, constant: 16),
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footer.trailingAnchor.constraint(equalTo: content.trailingAnchor, constant: -16),
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footer.bottomAnchor.constraint(equalTo: content.bottomAnchor, constant: -12),
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])
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window.initialFirstResponder = searchField
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}
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private func refreshApplications() {
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guard discoveryTask == nil else { return }
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statusLabel.stringValue = "Finding applications…"
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discoveryTask = Task { [weak self] in
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let applications = await Task.detached(priority: .userInitiated) {
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ApplicationCatalog.discover()
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}.value
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guard let self else { return }
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self.applications = applications
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self.discoveryTask = nil
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self.updateResults()
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}
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}
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private func updateResults() {
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results = ApplicationSearch.results(for: searchField.stringValue, in: applications)
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tableView.reloadData()
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if !results.isEmpty {
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tableView.selectRowIndexes(IndexSet(integer: 0), byExtendingSelection: false)
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tableView.scrollRowToVisible(0)
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}
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emptyLabel.isHidden = !results.isEmpty
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if discoveryTask != nil {
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emptyLabel.stringValue = "Finding applications…"
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statusLabel.stringValue = "Finding applications…"
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} else {
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emptyLabel.stringValue = applications.isEmpty ? "No applications found" : "No matching applications"
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statusLabel.stringValue = results.count == 1 ? "1 application" : "\(results.count) applications"
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}
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updateOpenButton()
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}
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func controlTextDidChange(_ notification: Notification) {
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updateResults()
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}
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func control(_ control: NSControl, textView: NSTextView, doCommandBy commandSelector: Selector) -> Bool {
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switch commandSelector {
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case #selector(NSResponder.moveDown(_:)):
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moveSelection(by: 1)
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case #selector(NSResponder.moveUp(_:)):
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moveSelection(by: -1)
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case #selector(NSResponder.insertNewline(_:)):
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openSelection()
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case #selector(NSResponder.cancelOperation(_:)):
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window?.orderOut(nil)
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default:
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return false
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}
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return true
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}
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private func moveSelection(by offset: Int) {
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guard !results.isEmpty else { return }
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let row = min(max(tableView.selectedRow + offset, 0), results.count - 1)
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tableView.selectRowIndexes(IndexSet(integer: row), byExtendingSelection: false)
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tableView.scrollRowToVisible(row)
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}
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private func updateOpenButton() {
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openButton.isEnabled = !isLaunching && results.indices.contains(tableView.selectedRow)
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}
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func tableViewSelectionDidChange(_ notification: Notification) {
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updateOpenButton()
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}
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func numberOfRows(in tableView: NSTableView) -> Int {
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results.count
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}
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func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
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let identifier = NSUserInterfaceItemIdentifier("applicationCell")
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let cell = (tableView.makeView(withIdentifier: identifier, owner: self) as? NSTableCellView)
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?? makeCell(identifier: identifier)
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let application = results[row]
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cell.textField?.stringValue = application.name
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cell.imageView?.image = NSWorkspace.shared.icon(forFile: application.url.path)
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cell.toolTip = application.url.path
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return cell
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}
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private func makeCell(identifier: NSUserInterfaceItemIdentifier) -> NSTableCellView {
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let cell = NSTableCellView()
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cell.identifier = identifier
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let icon = NSImageView()
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icon.imageScaling = .scaleProportionallyDown
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icon.setAccessibilityElement(false)
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let label = NSTextField(labelWithString: "")
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label.lineBreakMode = .byTruncatingTail
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cell.imageView = icon
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cell.textField = label
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for view in [icon, label] {
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view.translatesAutoresizingMaskIntoConstraints = false
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cell.addSubview(view)
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}
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NSLayoutConstraint.activate([
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icon.leadingAnchor.constraint(equalTo: cell.leadingAnchor, constant: 8),
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icon.centerYAnchor.constraint(equalTo: cell.centerYAnchor),
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icon.widthAnchor.constraint(equalToConstant: 28),
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icon.heightAnchor.constraint(equalToConstant: 28),
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label.leadingAnchor.constraint(equalTo: icon.trailingAnchor, constant: 12),
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label.centerYAnchor.constraint(equalTo: cell.centerYAnchor),
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label.trailingAnchor.constraint(equalTo: cell.trailingAnchor, constant: -8),
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])
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return cell
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}
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@objc private func openSelection() {
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guard !isLaunching, results.indices.contains(tableView.selectedRow) else { return }
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let application = results[tableView.selectedRow]
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isLaunching = true
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updateOpenButton()
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Task {
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do {
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try await AppLauncher.launch(application.url)
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window?.orderOut(nil)
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} catch {
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let alert = NSAlert(error: error)
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alert.messageText = "Couldn’t open \(application.name)"
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if let window {
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await alert.beginSheetModal(for: window)
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}
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}
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isLaunching = false
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updateOpenButton()
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}
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}
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}
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@MainActor
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private final class ApplicationTableView: NSTableView {
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var openSelection: (() -> Void)?
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var dismiss: (() -> Void)?
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var editSearch: ((NSEvent) -> Void)?
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override func keyDown(with event: NSEvent) {
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switch event.keyCode {
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case 36, 76:
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openSelection?()
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case 53:
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dismiss?()
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default:
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let isEditing = event.keyCode == 51 || event.keyCode == 117
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|| (event.characters?.unicodeScalars.contains { !CharacterSet.controlCharacters.contains($0) } ?? false)
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if isEditing && event.modifierFlags.intersection([.command, .control]).isEmpty {
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editSearch?(event)
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} else {
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super.keyDown(with: event)
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}
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}
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}
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}
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