PDF_Office/PDF Office/PDF Master/Class/Batch/Catogary/NSWindow+PopOver.swift

//
//  NSWindow+PopOver.swift
//  PDF Master
//
//  Created by kdanmobile on 2023/10/26.
//

import Foundation

let KMWindowPopOverKey = "KMWindowPopOverKey"
let KMWindowPopOverSourcesRectKey = "KMWindowPopOverSourcesRectKey"
extension NSWindow {
    var popover: NSPopover? {
        get {
            return objc_getAssociatedObject(self,KMWindowPopOverKey) as? NSPopover
        }
        set {
            objc_setAssociatedObject(self, KMWindowPopOverKey, newValue, .OBJC_ASSOCIATION_RETAIN)
        }
    }
    
    var sourcesRect: CGRect? {
        get {
            guard let value = objc_getAssociatedObject(self, KMWindowPopOverSourcesRectKey) as? NSValue else {
                return nil
            }
            return value.rectValue
        }
        set {
            if let newValue = newValue {
                let value = NSValue(rect: newValue)
                objc_setAssociatedObject(self, KMWindowPopOverSourcesRectKey, value, .OBJC_ASSOCIATION_RETAIN)
            } else {
                objc_setAssociatedObject(self, KMWindowPopOverSourcesRectKey, nil, .OBJC_ASSOCIATION_RETAIN)
            }
        }
    }
    
    open override func mouseMoved(with event: NSEvent)  {
        super.mouseMoved(with: event)
        let point = event.locationInWindow
        if NSStringFromClass(event.window!.classForCoder).elementsEqual("_NSPopoverWindow") == false {
            if !sourcesRect!.contains(point) {
                if (self.popover != nil) {
                    NotificationCenter.default.post(name: NSNotification.Name("KMPopOverClosedByWindowNotification"), object: self.popover)
                    popover!.close()
                    self.popover = nil
                    self.sourcesRect = CGRect.null
                }
            }
        }
    }
}