/// <summary>
/// 删除热键宿主
/// </summary>
public static void PopHost()
{
if (msgHost == null)
{
throw new ArgumentException("MessageWindow 为空，需要先执行Init()方法！");
}
if (hotKeyHosts.Count == 0)
{
return;
}
IHotKeyHost hotKeyHost = hotKeyHosts.Pop();
List <Keys> delKeys = new List <Keys>();
foreach (Keys key in hotKeyDict.Keys)
{
if (hotKeyDict[key].Contains(hotKeyHost))
{
hotKeyDict[key].Remove(hotKeyHost);
}
if (hotKeyDict[key].Count == 0)
{
// 调用系统API取消注册热键，并从字典中删除该热键
Win32API.UnregisterHotKey(msgHost.Hwnd, (int)key);
delKeys.Add(key);
}
}
foreach (Keys key in delKeys)
{
hotKeyDict.Remove(key);
}
}
/// <summary>
/// 添加热键宿主
/// </summary>
/// <param name="hotKeyHost"></param>
public static void PushHost(IHotKeyHost hotKeyHost)
{
if (hotKeyHost == null)
{
return;
}
hotKeyHosts.Push(hotKeyHost);
}
private const int WM_HOTKEY = 0x0312; // 如果m.Msg的值为0x0312那么表示用户按下了热键
/// <summary>
/// 监视Windows消息
/// </summary>
/// <param name="m"></param>
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
case WM_HOTKEY:
IHotKeyHost hotKey = HotKeyRegister.CurrentHost;
if (hotKey != null && hotKey.IsActivated())
{
hotKey.ProcessHotkey((Keys)int.Parse(m.WParam.ToString()));
}
break;
}
// 将系统消息传递自父类的WndProc
base.WndProc(ref m);
}
/// <summary>
/// 注册热键
/// </summary>
/// <param name="vk"></param>
public static void Register(Keys vk)
{
if (msgHost == null)
{
throw new ArgumentException("MessageWindow 为空，需要先执行Init()方法！");
}
if (hotKeyHosts.Count == 0)
{
throw new Exception("热键宿主栈为空异常！");
}
IHotKeyHost hotKeyHost = hotKeyHosts.Peek();
if (!hotKeyDict.ContainsKey(vk))
{
// 调用系统API注册热键
Win32API.RegisterHotKey(msgHost.Hwnd, (int)vk, 0, vk);
hotKeyDict.Add(vk, new List <IHotKeyHost>());
}
hotKeyDict[vk].Add(hotKeyHost);
}