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NSScreen instances can be garbage collected at any time, even for screens that remain connected, making NSMapTable with weak keys unreliable for tracking per-screen state. This changes the quick terminal to use CGDisplay UUIDs as stable identifiers, keyed in a strong dictionary. Each entry stores the window frame along with screen dimensions, scale factor, and last-seen timestamp. Rules for pruning: - Entries are invalidated when screens shrink or change scale - Entries persist and update when screens grow (allowing cached state to work with larger resolutions) - Stale entries for disconnected screens expire after 14 days. - Maximum of 10 screen entries to prevent unbounded growth
10 lines
251 B
Swift
10 lines
251 B
Swift
import Foundation
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extension UUID {
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/// Initialize a UUID from a CFUUID.
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init?(_ cfuuid: CFUUID) {
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guard let uuidString = CFUUIDCreateString(nil, cfuuid) as String? else { return nil }
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self.init(uuidString: uuidString)
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}
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}
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