nativeapi-swift/Sources/NativeAPI/DisplayManager.swift at main · libnativeapi/nativeapi-swift · GitHub

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// AUTO-GENERATED. DO NOT EDIT.

// Any manual changes WILL BE LOST when this file is regenerated.

import CNativeAPI

import Foundation

public final class DisplayManager: Sendable {

/// The shared instance backed by the native singleton.

public static let shared = DisplayManager()

private init() {}

public func getAll() -> [Display] {

var list = native_display_manager_get_all()

var items: [Display] = []

if let buffer = list.displays {

for index in 0..<Int(list.count) {

items.append(Display(nativeHandle: buffer[index]))

}

// The handles now belong to `items`; free just the array.

native_display_list_release(&list)

return items

}

public func getPrimary() -> Display? {

let handle = native_display_manager_get_primary()

guard handle != NATIVE_INVALID_DISPLAY else { return nil }

return Display(nativeHandle: handle)

}

public func getCursorPosition() -> Point {

return Point(raw: native_display_manager_get_cursor_position())

}

/// Registers `callback` for every `DisplayEvent` this `DisplayManager` emits.

///

/// The closure is retained for good: the C ABI keeps the context

/// pointer but offers no hook to release it, so removing the listener

/// stops the calls without freeing the closure.

public func addListener(_ callback: @escaping (DisplayEvent) -> Void) -> ListenerId {

let context = Unmanaged.passRetained(CallbackBox1<DisplayEvent>(callback)).toOpaque()

let trampoline: @convention(c) (UnsafePointer<native_display_event_t>?, UnsafeMutableRawPointer?) -> Void = { event, userData in

guard let event, let userData, let value = DisplayEvent(raw: event.pointee) else { return }

Unmanaged<CallbackBox1<DisplayEvent>>.fromOpaque(userData).takeUnretainedValue().body(value)

}

return native_display_manager_add_listener(trampoline, context)

}

/// Unregisters a listener. Returns false if unknown.

public func removeListener(_ listenerId: ListenerId) -> Bool {

native_display_manager_remove_listener(listenerId)

}

nativeapi-swift/Sources/NativeAPI/DisplayManager.swift at main · libnativeapi/nativeapi-swift · GitHub

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