import AppKit
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import CoreGraphics
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import Foundation
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guard CommandLine.arguments.count == 2,
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let screenIndex = Int(CommandLine.arguments[1])
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else {
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fputs("usage: round1-move-mouse-to-screen-center.swift <screen-index>\n", stderr)
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exit(2)
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}
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let screens = NSScreen.screens
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guard screens.indices.contains(screenIndex) else {
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fputs("screen index \(screenIndex) is out of range; screen count=\(screens.count)\n", stderr)
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exit(2)
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}
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let screen = screens[screenIndex]
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let displayID = screen.deviceDescription[NSDeviceDescriptionKey("NSScreenNumber")] as? CGDirectDisplayID ?? 0
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let coreGraphicsFrame = displayID == 0 ? screen.frame : CGDisplayBounds(displayID)
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let coreGraphicsPoint = CGPoint(x: coreGraphicsFrame.midX, y: coreGraphicsFrame.midY)
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CGWarpMouseCursorPosition(coreGraphicsPoint)
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CGAssociateMouseAndMouseCursorPosition(boolean_t(1))
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usleep(100_000)
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print(
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"screen=\(screenIndex) " +
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"frame=x:\(Int(screen.frame.minX)),y:\(Int(screen.frame.minY)),w:\(Int(screen.frame.width)),h:\(Int(screen.frame.height)) " +
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"cgFrame=x:\(Int(coreGraphicsFrame.minX)),y:\(Int(coreGraphicsFrame.minY)),w:\(Int(coreGraphicsFrame.width)),h:\(Int(coreGraphicsFrame.height)) " +
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"mouse=x:\(Int(NSEvent.mouseLocation.x)),y:\(Int(NSEvent.mouseLocation.y))"
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)
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