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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
import Cocoa
extension NSScreen {
public var displayID: CGDirectDisplayID {
get {
return deviceDescription["NSScreenNumber"] as! CGDirectDisplayID
}
}
public var displayName: String? {
get {
var name: String? = nil
var object: io_object_t
var iter = io_iterator_t()
let matching = IOServiceMatching("IODisplayConnect")
let result = IOServiceGetMatchingServices(kIOMasterPortDefault, matching, &iter)
if result != KERN_SUCCESS || iter == 0 { return nil }
repeat {
object = IOIteratorNext(iter)
let info = IODisplayCreateInfoDictionary(object, IOOptionBits(kIODisplayOnlyPreferredName)).takeRetainedValue() as! [String:AnyObject]
if (info[kDisplayVendorID] as? UInt32 == CGDisplayVendorNumber(displayID) &&
info[kDisplayProductID] as? UInt32 == CGDisplayModelNumber(displayID) &&
info[kDisplaySerialNumber] as? UInt32 ?? 0 == CGDisplaySerialNumber(displayID))
{
if let productNames = info["DisplayProductName"] as? [String:String],
let productName = productNames.first?.value
{
name = productName
break
}
}
} while object != 0
IOObjectRelease(iter)
return name
}
}
}
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