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Created March 8, 2024 21:58
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NSSecureTextField alternative
//
// NSTextField+Blurred.swift
// ZKit
//
// The MIT License (MIT)
//
// Copyright (c) 2024 Electricwoods LLC, Kaz Yoshikawa.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//
//
// Overview:
//
// Since NSSecureTextField will not arrowed to turn on and off its text's visibility.
// Often we place both NSTextField and NSSecureTextField and switch or show / hide
// its control to manage as if there is one text field.
//
// NSTextField+Burred coule be the alternative for that solution. You may turn of
// and off to burry or unburry to archive similar task.
//
// Usage:
//
// class MyViewController: NSViewController {
// @IBOutlet weak var apiKeyTextField: NSTextField!
// override func viewDidLoad() {
// super.viewDidLoad()
// self.apiKeyTextField.isBlurred = true
// }
// @IBAction func toggle(sender: Any) {
// self.apiKeyTextField.toggleBlurred()
// }
// }
//
#if os(macOS)
import AppKit
extension NSTextField {
var isBlurred: Bool {
get { return self.getBlurred() }
set { self.setBlurred(newValue) }
}
private func getBlurred() -> Bool {
return self.contentFilters.filter { $0.name == "CIGaussianBlur" }.count > 0
}
func setBlurred(_ burred: Bool) {
if self.getBlurred() {
self.contentFilters = self.contentFilters.filter { $0.name != "CIGaussianBlur" }
}
else {
guard let blurFilter = CIFilter(name: "CIGaussianBlur") else { fatalError() }
blurFilter.setDefaults()
blurFilter.setValue(4.0, forKey: kCIInputRadiusKey)
self.contentFilters.append(blurFilter)
}
}
func toggleBlurred() {
self.setBlurred(!self.isBlurred)
}
}
#endif
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