PDF_Office/PDF Office/PDF Master/Class/Home/View/KMComboBox.swift

//
//  KMComboBox.swift
//  PDF Master
//
//  Created by wanjun on 2022/11/29.
//

import Cocoa

enum KMComboBoxType : Int {
    case none = 0
}

class KMComboBox: NSComboBox {
    
    var comboxRect: CGRect = CGRect(x: 0, y: 0, width: 0, height: 0)
    var _type: KMComboBoxType = .none

    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)

        switch type {
        case .none:
            var p = comboxRect.origin
            p.x += comboxRect.width - 20
            p.y += (comboxRect.height - 16) / 2

            NSColor.clear.setFill()
            NSRect(x: p.x, y: 0, width: 16.0, height: comboxRect.height).fill()

            let image = NSImage(named: "KMImageNameUXIconBtnArrowDown")
            var rect = NSRect.zero
            rect.size = CGSize(width: 16.0, height: 16.0)
            image!.draw(in: NSRect(x: p.x, y: p.y, width: 16.0, height: 16.0), from: rect, operation: .sourceOver, fraction: 1.0, respectFlipped: true, hints: nil)
        default:
            break
        }
    }
    
    var type: KMComboBoxType {
        get {
            return _type
        }
        set {
            _type = newValue
            switch newValue {
            case .none:
                self.wantsLayer = true
                self.layer?.cornerRadius = 1.0
                self.layer?.borderWidth = 0.5
                self.layer?.borderColor = .black
                self.backgroundColor = .white
                self.isButtonBordered = false
            default:
                break
            }
        }
    }
}