using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace 编辑器
{
    public class HotKey: Form1
    {
        //委托 key 函数
        public delegate void delegateKeyPress(object sender, EventArgsKey e);
        // 自增ID 标示
        private int idForDiff = 0;
        public IntPtr hWnd{get;set;}  //当前空中句柄
        public Control control { get; set; }
        //要注册的按键：
        public List<keyNode> keys { get; set; }

        /// <summary>
        /// 如果函数执行成功，返回值不为0。
        /// 如果函数执行失败，返回值为0。要得到扩展错误信息，调用GetLastError。
        /// 
        /// </summary>
        /// <param name="hWnd"></param>
        /// <param name="id"></param>
        /// <param name="fsModifiers"></param>
        /// <param name="vk"></param>
        /// <returns></returns>
        [DllImport("user32.dll ", SetLastError = true)]
        public static extern bool RegisterHotKey(
            IntPtr hWnd,                                 //要定义热键的窗口的句柄
            int id,                                           //定义热键ID（不能与其它ID重复）                      
            KeyModifiers fsModifiers,       //标识热键是否在按Alt、Ctrl、Shift、Windows等键时才会生效
            Keys vk                                           //定义热键的内容
            );

        [DllImport("user32.dll ", SetLastError = true)]
        public static extern bool UnregisterHotKey(
            IntPtr hWnd,                                 //要取消热键的窗口的句柄
            int id                                             //要取消热键的ID
            );

        //定义了辅助键的名称（将数字转变为字符以便于记忆，也可去除此枚举而直接使用数值）
        [Flags()]
        public enum KeyModifiers
        {
            None = 0,
            Alt = 1,
            Ctrl = 2,
            Shift = 4,
            WindowsKey = 8
        }
        //构造函数
        public HotKey(IntPtr hwnd)
        {
            this.control = null;
            this.hWnd = hwnd;
            this.keys = new List<keyNode>();//对象init
        }
        //构造函数
        public HotKey(Control control)
        {
            this.control = control;
            this.hWnd = control.Handle;
            this.keys = new List<keyNode>();//对象init
        }
        //注册按键：
        public void AddKeyToRegister(IEnumerable<keyNode> keys)
        {
            foreach (keyNode key in keys)
            {
                keyNode k = new keyNode(key.key,key.keyMode,key.keyPassFunction);
                HotKey.RegisterHotKey(this.hWnd, this.idForDiff, k.keyMode, k.key);
                k.keyPassFunction = key.keyPassFunction;
                k.id = this.idForDiff;
                this.idForDiff++;
                this.keys.Add(k);
            }
        }
        public void AddKeyToRegister(Keys key,HotKey.KeyModifiers keyMode, delegateKeyPress keyFunction)
        {

            keyNode k = new keyNode(key, keyMode, keyFunction);
            HotKey.RegisterHotKey(this.hWnd, this.idForDiff, k.keyMode, k.key);
            k.id = this.idForDiff;
            this.idForDiff++;
            this.keys.Add(k);

        }
        
        
    
    }
    //每一个Key对象
    public class keyNode
    {
        public Keys key { get; set; }
        public 编辑器.HotKey.KeyModifiers keyMode { get; set; }
        public int id { get; set; }
        public 编辑器.HotKey.delegateKeyPress keyPassFunction { get; set; }
        public keyNode(Keys key, 编辑器.HotKey.KeyModifiers keyModefier,编辑器.HotKey.delegateKeyPress keyPassFunction )
        {
            this.key = key;
            this.keyMode = keyModefier;
            this.keyPassFunction = keyPassFunction;
        }
    }
    public class EventArgsKey : EventArgs
    {