* UIForm：增加全局热键

SunnyUI/Common/UHotKey.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Sunny.UI
+{
+    public class HotKeyEventArgs : EventArgs
+{
+        public readonly HotKey hotKey;
+        public readonly DateTime dateTime;
+        public HotKeyEventArgs(HotKey hotKey, DateTime time)
+        {
+            this.hotKey = hotKey;
+            this.dateTime = time;
+        }
+    }
+
+    public delegate void HotKeyEventHandler(object sender, HotKeyEventArgs e);
+
+    public class HotKey : IEquatable<HotKey>
+    {
+        internal static int CalculateID(ModifierKeys modifiers, Keys key)
+        {
+            return (int)modifiers + ((int)key << 4);
+        }
+
+        public readonly ModifierKeys ModifierKey;
+        public readonly Keys Key;
+        public readonly int id;
+
+        internal HotKey(ModifierKeys modifiers, Keys key)
+        {
+            this.ModifierKey = modifiers;
+            this.Key = key;
+            this.id = HotKey.CalculateID(modifiers, key);
+        }
+
+        public override int GetHashCode()
+        {
+            return this.id.GetHashCode();
+        }
+
+        public override bool Equals(object obj)
+        {
+            return (obj is HotKey) && this.Equals(obj as HotKey);
+        }
+
+        public bool Equals(HotKey other)
+        {
+            return other != null && other.id == this.id;
+        }
+
+        public override string ToString()
+        {
+            return $"{ModifierKey}  {Key}";
+        }
+    }
+
+    /// <summary>
+    /// Specifies the set of modifier keys.
+    /// flags enum, 4 bits, 0 == none
+    /// 1111
+    /// </summary>
+    [Flags]
+    public enum ModifierKeys
+    {
+        //
+        // Summary:
+        //     No modifiers are pressed.
+        None = 0,
+        //
+        // Summary:
+        //     The ALT key.
+        Alt = 1,
+        //
+        // Summary:
+        //     The CTRL key.
+        Control = 2,
+        //
+        // Summary:
+        //     The SHIFT key.
+        Shift = 4,
+        //
+        // Summary:
+        //     The Windows logo key.
+        Windows = 8
+    }
+}

SunnyUI/Forms/UIForm.cs

@@ -29,6 +29,7 @@
  * 2021-08-17: V3.0.8 增加IFrame接口
 ******************************************************************************/
 
+using Sunny.UI.Win32;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -1482,6 +1483,23 @@ namespace Sunny.UI
             }
         }
 
+        public void RegisterHotKey(Sunny.UI.ModifierKeys modifierKey, Keys key)
+        {
+            if (hotKeys == null) hotKeys = new Dictionary<int, HotKey>();
+
+            int id = HotKey.CalculateID(modifierKey, key);
+            if (!hotKeys.ContainsKey(id))
+            {
+                HotKey newHotkey = new HotKey(modifierKey, key);
+                this.hotKeys.Add(id, newHotkey);
+                Win32.User.RegisterHotKey(Handle, id, (int)newHotkey.ModifierKey, (int)newHotkey.Key);
+            }
+        }
+
+        public event HotKeyEventHandler HotKeyEventHandler;
+
+        private Dictionary<int, HotKey> hotKeys;
+
         #region 拉拽调整窗体大小
 
         protected override void WndProc(ref Message m)
@@ -1490,6 +1508,12 @@ namespace Sunny.UI
             {
                 case Win32.User.WM_ERASEBKGND:
                     m.Result = IntPtr.Zero;
+                    break;
+                case Win32.User.WM_HOTKEY:
+                    int hotKeyId = (int)(m.WParam);
+                    if (hotKeys.ContainsKey(hotKeyId))
+                                            HotKeyEventHandler?.Invoke(this, new HotKeyEventArgs(hotKeys[hotKeyId], DateTime.Now));
+                    
                     break;
                 default:
                     base.WndProc(ref m);

SunnyUI/Forms/UIForm.designer.cs

@@ -1,4 +1,6 @@
-namespace Sunny.UI
+using System;
+
+namespace Sunny.UI
 {
     partial class UIForm
     {
@@ -15,6 +17,11 @@
         {
             this.UnRegister();
 
+            foreach (var hotKey in this.hotKeys.Values)
+            {
+                Win32.User.UnregisterHotKey(IntPtr.Zero, hotKey.id);
+            }
+
             if (disposing && (components != null))
             {
                 components.Dispose();