96 lines
3.5 KiB
C#
96 lines
3.5 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
using System.Windows;
|
|
using System.Windows.Input;
|
|
using System.Windows.Interop;
|
|
|
|
namespace GeekDesk.Util
|
|
{
|
|
public class GlobalHotKey
|
|
{
|
|
public enum HotkeyModifiers
|
|
{
|
|
MOD_ALT = 0x1,
|
|
MOD_CONTROL = 0x2,
|
|
MOD_SHIFT = 0x4,
|
|
MOD_WIN = 0x8
|
|
}
|
|
|
|
private static int currentID;
|
|
const int WM_HOTKEY = 0x312;
|
|
private static Dictionary<int, Window> handleTemp = new Dictionary<int, Window>();
|
|
public static Dictionary<int, HotKeyCallBackHanlder> callbackTemp = new Dictionary<int, HotKeyCallBackHanlder>();
|
|
|
|
public delegate void HotKeyCallBackHanlder();
|
|
/// <summary>
|
|
/// Registers a global hotkey
|
|
/// </summary>
|
|
/// <param name="aKeyGestureString">e.g. Alt + Shift + Control + Win + S</param>
|
|
/// <param name="callback">Action to be called when hotkey is pressed</param>
|
|
/// <returns>true, if registration succeeded, otherwise false</returns>
|
|
public static int RegisterHotKey(string aKeyGestureString, HotKeyCallBackHanlder callback)
|
|
{
|
|
var c = new KeyGestureConverter();
|
|
KeyGesture aKeyGesture = (KeyGesture)c.ConvertFrom(aKeyGestureString);
|
|
return RegisterHotKey((HotkeyModifiers)aKeyGesture.Modifiers, aKeyGesture.Key, callback);
|
|
}
|
|
|
|
public static int RegisterHotKey(HotkeyModifiers aModifier, Key key, HotKeyCallBackHanlder callback)
|
|
{
|
|
Window window = new Window
|
|
{
|
|
WindowStyle = WindowStyle.None,
|
|
Height = 0,
|
|
Width = 0,
|
|
Visibility = Visibility.Collapsed,
|
|
ShowInTaskbar = false
|
|
};
|
|
window.Show();
|
|
IntPtr handle = new WindowInteropHelper(window).Handle;
|
|
HwndSource hs = HwndSource.FromHwnd(handle);
|
|
hs.AddHook(WndProc);
|
|
currentID += 1;
|
|
if (!RegisterHotKey(handle, currentID, aModifier, (uint)KeyInterop.VirtualKeyFromKey(key)))
|
|
{
|
|
window.Close();
|
|
throw new Exception("RegisterHotKey Failed");
|
|
}
|
|
handleTemp.Add(currentID, window);
|
|
callbackTemp.Add(currentID, callback);
|
|
return currentID;
|
|
}
|
|
/// <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 (callbackTemp.TryGetValue(id, out var callback))
|
|
{
|
|
callback();
|
|
}
|
|
}
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
public static void Dispose(int id)
|
|
{
|
|
bool test = UnregisterHotKey(new WindowInteropHelper(handleTemp[id]).Handle, id);
|
|
GlobalHotKey.handleTemp[id].Close();
|
|
GlobalHotKey.handleTemp.Remove(id);
|
|
GlobalHotKey.callbackTemp.Remove(id);
|
|
Console.WriteLine(test);
|
|
}
|
|
|
|
// Registers a hot key with Windows.
|
|
[DllImport("user32.dll")]
|
|
private static extern bool RegisterHotKey(IntPtr hWnd, int id, HotkeyModifiers fsModifiers, uint vk);
|
|
// Unregisters the hot key with Windows.
|
|
[DllImport("user32.dll")]
|
|
private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
|
|
}
|
|
}
|