list windows swift (ordered)

main.swift

import AppKit
import ApplicationServices
import CoreGraphics
import Foundation

// Declare the private _AXUIElementGetWindow API
@_silgen_name("_AXUIElementGetWindow")
func _AXUIElementGetWindow(_ element: AXUIElement, _ windowID: UnsafeMutablePointer<CGWindowID>)
    -> AXError

func kind(of application: NSRunningApplication) -> Int {
    switch application.activationPolicy {
    case .accessory: return 0
    case .prohibited: return -1
    default: return 1
    }
}

func allWindows(of application: NSRunningApplication) -> [AXUIElement] {
    let appRef = AXUIElementCreateApplication(application.processIdentifier)
    let allWindows: [AXUIElement] = []

    var windowsPtr: CFArray?
    let axWindowsAttribute = "AXWindows" as CFString
    let result = AXUIElementCopyAttributeValues(appRef, axWindowsAttribute, 0, 100, &windowsPtr)

    if result == .success, let windows = windowsPtr as? [AXUIElement] {
        return windows
    }

    return allWindows
}

guard
    let windowInfoList = CGWindowListCopyWindowInfo(
        [.optionOnScreenOnly, .excludeDesktopElements], kCGNullWindowID) as? [[String: Any]]
else {
    print("Failed to retrieve window info list")
    exit(1)
}
print("Successfully retrieved window info list with \(windowInfoList.count) windows")

let runningApplications = NSWorkspace.shared.runningApplications.filter {
    !$0.isHidden && kind(of: $0) > 0
}

var windowByID = [CGWindowID: AXUIElement]()

for application in runningApplications {
    let windows = allWindows(of: application)

    for window in windows {
        var windowID: CGWindowID = 0
        let result = _AXUIElementGetWindow(window, &windowID)
        if result == .success {
            windowByID[windowID] = window
        } else {
            print("Failed to get window ID, error: \(result)")
        }
    }
}

for windowInfo in windowInfoList {
    if let windowID = windowInfo["kCGWindowNumber"] as? CGWindowID {
        if let window = windowByID[windowID] {
            // Get window title using AXTitle attribute
            var titleRef: CFTypeRef?
            let titleResult = AXUIElementCopyAttributeValue(
                window, "AXTitle" as CFString, &titleRef)
            var title = "Unknown"
            if titleResult == .success, let titleString = titleRef as? String {
                title = titleString
            }
            print("Window ID: \(windowID), Title: \(title)")
        }
    }
}

print(runningApplications.map(\.localizedName))