Initial commit
This commit is contained in:
Alex E. Tafoya
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// DestinationPicker.swift
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// GreenshotMac
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//
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// Port of Greenshot's destination picker dialog: a preview of the capture,
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// one large button per destination, and "always use this destination".
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import AppKit
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@MainActor
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final class DestinationPickerWindowController: NSWindowController, NSWindowDelegate {
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private static var openPickers: [DestinationPickerWindowController] = []
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private let capture: Capture
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private let destinations: [DestinationID]
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private let rememberCheckbox = NSButton(checkboxWithTitle: "Always use this destination (you can change it in Preferences)",
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target: nil,
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action: nil)
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static func present(for capture: Capture) {
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let controller = DestinationPickerWindowController(capture: capture)
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openPickers.append(controller)
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controller.showWindow(nil)
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controller.window?.makeKeyAndOrderFront(nil)
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NSApp.activate(ignoringOtherApps: true)
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}
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private init(capture: Capture) {
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self.capture = capture
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let configured = Configuration.shared.pickerDestinations.filter { $0 != .picker }
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self.destinations = configured.isEmpty ? [.editor, .file, .clipboard, .email] : configured
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let window = NSWindow(contentRect: CGRect(x: 0, y: 0, width: 560, height: 560),
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styleMask: [.titled, .closable],
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backing: .buffered,
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defer: false)
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window.title = "Choose Destination for Screenshot"
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window.isReleasedWhenClosed = false
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window.level = .floating
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window.center()
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super.init(window: window)
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window.delegate = self
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buildInterface()
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}
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required init?(coder: NSCoder) { fatalError("init(coder:) is not used") }
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func windowWillClose(_ notification: Notification) {
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DestinationPickerWindowController.openPickers.removeAll { $0 === self }
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}
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// MARK: - Interface
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private func buildInterface() {
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guard let window, let contentView = window.contentView else { return }
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let preview = NSImageView()
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preview.image = capture.nsImage
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preview.imageScaling = .scaleProportionallyDown
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preview.imageAlignment = .alignCenter
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preview.wantsLayer = true
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preview.layer?.backgroundColor = NSColor.underPageBackgroundColor.cgColor
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preview.layer?.borderColor = NSColor.separatorColor.cgColor
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preview.layer?.borderWidth = 1
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preview.layer?.cornerRadius = 4
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preview.translatesAutoresizingMaskIntoConstraints = false
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preview.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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preview.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
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let buttonRow = NSStackView()
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buttonRow.orientation = .horizontal
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buttonRow.alignment = .top
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buttonRow.distribution = .fillEqually
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buttonRow.spacing = 8
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buttonRow.translatesAutoresizingMaskIntoConstraints = false
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for (index, destination) in destinations.enumerated() {
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buttonRow.addArrangedSubview(makeButton(for: destination, index: index))
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}
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rememberCheckbox.target = self
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rememberCheckbox.action = #selector(rememberToggled)
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rememberCheckbox.translatesAutoresizingMaskIntoConstraints = false
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let separator = NSBox()
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separator.boxType = .separator
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separator.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(preview)
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contentView.addSubview(separator)
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contentView.addSubview(buttonRow)
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contentView.addSubview(rememberCheckbox)
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NSLayoutConstraint.activate([
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preview.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 16),
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preview.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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preview.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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separator.topAnchor.constraint(equalTo: preview.bottomAnchor, constant: 14),
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separator.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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separator.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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buttonRow.topAnchor.constraint(equalTo: separator.bottomAnchor, constant: 14),
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buttonRow.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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buttonRow.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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rememberCheckbox.topAnchor.constraint(equalTo: buttonRow.bottomAnchor, constant: 14),
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rememberCheckbox.centerXAnchor.constraint(equalTo: contentView.centerXAnchor),
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rememberCheckbox.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -16)
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])
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// Size the window so the preview keeps the capture's aspect ratio, within sensible bounds.
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let aspect = capture.pointSize.height / max(1, capture.pointSize.width)
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let previewWidth: CGFloat = 528
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let previewHeight = min(max(180, previewWidth * aspect), 380)
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preview.heightAnchor.constraint(equalToConstant: previewHeight).isActive = true
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window.setContentSize(NSSize(width: 560, height: previewHeight + 190))
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window.center()
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}
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private func makeButton(for destination: DestinationID, index: Int) -> NSView {
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let button = NSButton()
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button.bezelStyle = .shadowlessSquare
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button.isBordered = false
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button.imagePosition = .imageAbove
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button.title = destination.pickerTitle
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button.font = NSFont.systemFont(ofSize: 11)
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button.image = NSImage(systemSymbolName: destination.symbolName, accessibilityDescription: destination.title)?
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.withSymbolConfiguration(NSImage.SymbolConfiguration(pointSize: 34, weight: .regular))
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button.imageScaling = .scaleNone
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button.target = self
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button.action = #selector(destinationClicked(_:))
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button.tag = index
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button.toolTip = destination.title
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// ⌘1…⌘9 select a destination from the keyboard.
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if index < 9 {
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button.keyEquivalent = String(index + 1)
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button.keyEquivalentModifierMask = [.command]
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}
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button.setContentHuggingPriority(.defaultLow, for: .horizontal)
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button.heightAnchor.constraint(equalToConstant: 76).isActive = true
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return button
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}
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// MARK: - Actions
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@objc private func destinationClicked(_ sender: NSButton) {
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guard sender.tag >= 0, sender.tag < destinations.count else { return }
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let destination = destinations[sender.tag]
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if rememberCheckbox.state == .on {
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Configuration.shared.defaultDestination = destination
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}
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close()
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Destinations.export(capture, to: destination)
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}
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@objc private func rememberToggled() {}
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override func cancelOperation(_ sender: Any?) {
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close()
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}
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}
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extension DestinationID {
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/// Shorter labels for the picker buttons, matching Greenshot's wording.
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var pickerTitle: String {
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switch self {
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case .editor: return "Edit in Greenshot"
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case .file: return "Save to Disk"
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case .fileWithDialog: return "Save As…"
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case .clipboard: return "Copy to Clipboard"
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case .email: return "Send as Mail"
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case .printer: return "Print"
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case .share: return "Share…"
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case .openWith: return "Open With…"
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case .picker: return "Choose…"
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}
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}
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}
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