common: refactor common library pt2 (#8588)

- remove common lib
- split settings, remove common-md
- move ipc interop/kb_layout to interop
- rename core -> settings, settings -> old_settings
- os-detect header-only; interop -> PowerToysInterop
- split notifications, move single-use headers where they're used
- winstore lib
- rename com utils
- rename Updating and Telemetry projects
- rename core -> settings-ui and remove examples folder
- rename settings-ui folder + consisent common/version include

src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/HotkeySettings.cs

@@ -0,0 +1,130 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Text;
+using System.Text.Json.Serialization;
+using Microsoft.PowerToys.Settings.UI.Library.Utilities;
+
+namespace Microsoft.PowerToys.Settings.UI.Library
+{
+    public class HotkeySettings
+    {
+        private const int VKTAB = 0x09;
+
+        public HotkeySettings()
+        {
+            Win = false;
+            Ctrl = false;
+            Alt = false;
+            Shift = false;
+            Code = 0;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="HotkeySettings"/> class.
+        /// </summary>
+        /// <param name="win">Should Windows key be used</param>
+        /// <param name="ctrl">Should Ctrl key be used</param>
+        /// <param name="alt">Should Alt key be used</param>
+        /// <param name="shift">Should Shift key be used</param>
+        /// <param name="code">Go to https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes to see list of v-keys</param>
+        public HotkeySettings(bool win, bool ctrl, bool alt, bool shift, int code)
+        {
+            Win = win;
+            Ctrl = ctrl;
+            Alt = alt;
+            Shift = shift;
+            Code = code;
+        }
+
+        public HotkeySettings Clone()
+        {
+            return new HotkeySettings(Win, Ctrl, Alt, Shift, Code);
+        }
+
+        [JsonPropertyName("win")]
+        public bool Win { get; set; }
+
+        [JsonPropertyName("ctrl")]
+        public bool Ctrl { get; set; }
+
+        [JsonPropertyName("alt")]
+        public bool Alt { get; set; }
+
+        [JsonPropertyName("shift")]
+        public bool Shift { get; set; }
+
+        [JsonPropertyName("code")]
+        public int Code { get; set; }
+
+        // This is currently needed for FancyZones, we need to unify these two objects
+        // see src\common\settings_objects.h
+        [JsonPropertyName("key")]
+        public string Key { get; set; } = string.Empty;
+
+        public override string ToString()
+        {
+            StringBuilder output = new StringBuilder();
+
+            if (Win)
+            {
+                output.Append("Win + ");
+            }
+
+            if (Ctrl)
+            {
+                output.Append("Ctrl + ");
+            }
+
+            if (Alt)
+            {
+                output.Append("Alt + ");
+            }
+
+            if (Shift)
+            {
+                output.Append("Shift + ");
+            }
+
+            if (Code > 0)
+            {
+                var localKey = Helper.GetKeyName((uint)Code);
+                output.Append(localKey);
+            }
+            else if (output.Length >= 2)
+            {
+                output.Remove(output.Length - 2, 2);
+            }
+
+            return output.ToString();
+        }
+
+        public bool IsValid()
+        {
+            if (IsAccessibleShortcut())
+            {
+                return false;
+            }
+
+            return (Alt || Ctrl || Win || Shift) && Code != 0;
+        }
+
+        public bool IsEmpty()
+        {
+            return !Alt && !Ctrl && !Win && !Shift && Code == 0;
+        }
+
+        public bool IsAccessibleShortcut()
+        {
+            // Shift+Tab and Tab are accessible shortcuts
+            if ((!Alt && !Ctrl && !Win && Shift && Code == VKTAB)
+                || (!Alt && !Ctrl && !Win && !Shift && Code == VKTAB))
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}