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renderer/metal: API to handle macOS display ID changing

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This commit is contained in:
Mitchell Hashimoto
2024-05-04 19:40:58 -07:00
parent 6b3cb69101
commit ca9689be46
6 changed files with 58 additions and 4 deletions
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18
macos/Sources/Ghostty/SurfaceView_AppKit.swift
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@@ -112,6 +112,11 @@ extension Ghostty {
selector: #selector(onUpdateRendererHealth),
name: Ghostty.Notification.didUpdateRendererHealth,
object: self)
center.addObserver(
self,
selector: #selector(windowDidChangeScreen),
name: NSWindow.didChangeScreenNotification,
object: nil)
// Setup our surface. This will also initialize all the terminal IO.
let surface_cfg = baseConfig ?? SurfaceConfiguration()
@@ -322,6 +327,19 @@ extension Ghostty {
healthy = health == GHOSTTY_RENDERER_HEALTH_OK
}
@objc private func windowDidChangeScreen(notification: SwiftUI.Notification) {
guard let window = self.window else { return }
guard let object = notification.object as? NSWindow, window == object else { return }
guard let screen = window.screen else { return }
guard let surface = self.surface else { return }
// When the window changes screens, we need to update libghostty with the screen
// ID. If vsync is enabled, this will be used with the CVDisplayLink to ensure
// the proper refresh rate is going.
let id = (screen.deviceDescription[NSDeviceDescriptionKey("NSScreenNumber")] as! NSNumber).uint32Value
ghostty_surface_set_display_id(surface, id)
}
// MARK: - NSView
override func viewDidMoveToWindow() {