add from giga-device, new branch added

StgSharp.Common/Controlling/UsrActivity/KeyTrigger.cs

@@ -0,0 +1,86 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="KeyTrigger.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Text;
+
+namespace StgSharp.Controlling.UsrActivity
+{
+    public readonly struct KeyTrigger : IClickTrigger, IEquatable<KeyTrigger>
+    {
+
+        private readonly KeyboardKey _targetKey;
+        private readonly KeyStatus _triggerStat;
+
+        public KeyTrigger( KeyboardKey targetKey, KeyStatus targetStat )
+        {
+            this._targetKey = targetKey;
+            this._triggerStat = targetStat;
+        }
+
+        public int TargetKeyOrButtonID => ( int )_targetKey;
+
+        public KeyStatus TriggeredStatus => _triggerStat;
+
+        public override bool Equals( object obj )
+        {
+            return base.Equals( obj );
+        }
+
+        public override int GetHashCode()
+        {
+            return ( ( int )_targetKey ) + ( 17 * ( ( int )_triggerStat ) );
+        }
+
+        public override string ToString()
+        {
+            return $"Key {_targetKey} triggered when {_triggerStat}";
+        }
+
+        public static bool operator !=( KeyTrigger left, KeyTrigger right )
+        {
+            return !( left == right );
+        }
+
+        public static bool operator ==( KeyTrigger left, KeyTrigger right )
+        {
+            return ( left._triggerStat == right._triggerStat ) &&
+                   ( left._targetKey == right._targetKey );
+        }
+
+        bool IEquatable<KeyTrigger>.Equals( KeyTrigger other )
+        {
+            return other == this;
+        }
+
+    }
+}