97 lines
2.9 KiB
C#
97 lines
2.9 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
using System.Windows;
|
|
using System.Windows.Input;
|
|
using System.Windows.Interop;
|
|
|
|
|
|
/// <summary>
|
|
/// 热键注册
|
|
/// </summary>
|
|
namespace GeekDesk.Util
|
|
{
|
|
|
|
class Hotkey
|
|
{
|
|
#region 系统api
|
|
[DllImport("user32.dll")]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
static extern bool RegisterHotKey(IntPtr hWnd, int id, HotkeyModifiers fsModifiers, uint vk);
|
|
|
|
[DllImport("user32.dll")]
|
|
static extern bool UnregisterHotKey(IntPtr hWnd, int id);
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// 注册快捷键
|
|
/// </summary>
|
|
/// <param name="window">持有快捷键窗口</param>
|
|
/// <param name="fsModifiers">组合键</param>
|
|
/// <param name="key">快捷键</param>
|
|
/// <param name="callBack">回调函数</param>
|
|
public static int Regist(IntPtr windowHandle, HotkeyModifiers fsModifiers, Key key, HotKeyCallBackHanlder callBack)
|
|
{
|
|
HwndSource hs = HwndSource.FromHwnd(windowHandle);
|
|
hs.AddHook(WndProc);
|
|
|
|
int id = keyid++;
|
|
int vk = KeyInterop.VirtualKeyFromKey(key);
|
|
keymap.Add(id, callBack);
|
|
if (!RegisterHotKey(windowHandle, id, fsModifiers, (uint)vk)) throw new Exception("RegisterHotKey Failed");
|
|
return id;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 快捷键消息处理
|
|
/// </summary>
|
|
static IntPtr WndProc(IntPtr windowHandle, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
|
|
{
|
|
if (msg == WM_HOTKEY)
|
|
{
|
|
int id = wParam.ToInt32();
|
|
if (keymap.TryGetValue(id, out var callback))
|
|
{
|
|
callback();
|
|
}
|
|
}
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 注销快捷键
|
|
/// </summary>
|
|
/// <param name="hWnd">持有快捷键窗口的句柄</param>
|
|
/// <param name="callBack">回调函数</param>
|
|
public static void UnRegist(IntPtr windowHandle, HotKeyCallBackHanlder callBack)
|
|
{
|
|
List<int> list = new List<int>(keymap.Keys);
|
|
for (int i=0; i < list.Count; i++)
|
|
{
|
|
if (keymap[list[i]] == callBack)
|
|
{
|
|
HwndSource hs = HwndSource.FromHwnd(windowHandle);
|
|
hs.RemoveHook(WndProc);
|
|
UnregisterHotKey(windowHandle, list[i]);
|
|
keymap.Remove(list[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
const int WM_HOTKEY = 0x312;
|
|
static int keyid = 10;
|
|
public static Dictionary<int, HotKeyCallBackHanlder> keymap = new Dictionary<int, HotKeyCallBackHanlder>();
|
|
|
|
public delegate void HotKeyCallBackHanlder();
|
|
}
|
|
|
|
public enum HotkeyModifiers
|
|
{
|
|
MOD_ALT = 0x1,
|
|
MOD_CONTROL = 0x2,
|
|
MOD_SHIFT = 0x4,
|
|
MOD_WIN = 0x8
|
|
}
|
|
|
|
}
|