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/ViewModels/ShortcutGuideViewModel.cs

@@ -0,0 +1,186 @@
+// 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;
+using System.Runtime.CompilerServices;
+using Microsoft.PowerToys.Settings.UI.Library.Helpers;
+using Microsoft.PowerToys.Settings.UI.Library.Interfaces;
+
+namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
+{
+    public class ShortcutGuideViewModel : Observable
+    {
+        private GeneralSettings GeneralSettingsConfig { get; set; }
+
+        private ShortcutGuideSettings Settings { get; set; }
+
+        private const string ModuleName = ShortcutGuideSettings.ModuleName;
+
+        private Func<string, int> SendConfigMSG { get; }
+
+        private string _settingsConfigFileFolder = string.Empty;
+
+        public ShortcutGuideViewModel(ISettingsRepository<GeneralSettings> settingsRepository, ISettingsRepository<ShortcutGuideSettings> moduleSettingsRepository, Func<string, int> ipcMSGCallBackFunc, string configFileSubfolder = "")
+        {
+            // Update Settings file folder:
+            _settingsConfigFileFolder = configFileSubfolder;
+
+            // To obtain the general PowerToys settings.
+            if (settingsRepository == null)
+            {
+                throw new ArgumentNullException(nameof(settingsRepository));
+            }
+
+            GeneralSettingsConfig = settingsRepository.SettingsConfig;
+
+            // To obtain the shortcut guide settings, if the file exists.
+            // If not, to create a file with the default settings and to return the default configurations.
+            if (moduleSettingsRepository == null)
+            {
+                throw new ArgumentNullException(nameof(moduleSettingsRepository));
+            }
+
+            Settings = moduleSettingsRepository.SettingsConfig;
+
+            // set the callback functions value to hangle outgoing IPC message.
+            SendConfigMSG = ipcMSGCallBackFunc;
+
+            _isEnabled = GeneralSettingsConfig.Enabled.ShortcutGuide;
+            _pressTime = Settings.Properties.PressTime.Value;
+            _opacity = Settings.Properties.OverlayOpacity.Value;
+
+            string theme = Settings.Properties.Theme.Value;
+
+            if (theme == "dark")
+            {
+                _themeIndex = 0;
+            }
+
+            if (theme == "light")
+            {
+                _themeIndex = 1;
+            }
+
+            if (theme == "system")
+            {
+                _themeIndex = 2;
+            }
+        }
+
+        private bool _isEnabled;
+        private int _themeIndex;
+        private int _pressTime;
+        private int _opacity;
+
+        public bool IsEnabled
+        {
+            get
+            {
+                return _isEnabled;
+            }
+
+            set
+            {
+                if (value != _isEnabled)
+                {
+                    _isEnabled = value;
+
+                    // To update the status of shortcut guide in General PowerToy settings.
+                    GeneralSettingsConfig.Enabled.ShortcutGuide = value;
+                    OutGoingGeneralSettings snd = new OutGoingGeneralSettings(GeneralSettingsConfig);
+
+                    SendConfigMSG(snd.ToString());
+                    OnPropertyChanged(nameof(IsEnabled));
+                }
+            }
+        }
+
+        public int ThemeIndex
+        {
+            get
+            {
+                return _themeIndex;
+            }
+
+            set
+            {
+                if (_themeIndex != value)
+                {
+                    if (value == 0)
+                    {
+                        // set theme to dark.
+                        Settings.Properties.Theme.Value = "dark";
+                        _themeIndex = value;
+                        NotifyPropertyChanged();
+                    }
+
+                    if (value == 1)
+                    {
+                        // set theme to light.
+                        Settings.Properties.Theme.Value = "light";
+                        _themeIndex = value;
+                        NotifyPropertyChanged();
+                    }
+
+                    if (value == 2)
+                    {
+                        // set theme to system default.
+                        Settings.Properties.Theme.Value = "system";
+                        _themeIndex = value;
+                        NotifyPropertyChanged();
+                    }
+                }
+            }
+        }
+
+        public int PressTime
+        {
+            get
+            {
+                return _pressTime;
+            }
+
+            set
+            {
+                if (_pressTime != value)
+                {
+                    _pressTime = value;
+                    Settings.Properties.PressTime.Value = value;
+                    NotifyPropertyChanged();
+                }
+            }
+        }
+
+        public int OverlayOpacity
+        {
+            get
+            {
+                return _opacity;
+            }
+
+            set
+            {
+                if (_opacity != value)
+                {
+                    _opacity = value;
+                    Settings.Properties.OverlayOpacity.Value = value;
+                    NotifyPropertyChanged();
+                }
+            }
+        }
+
+        public string GetSettingsSubPath()
+        {
+            return _settingsConfigFileFolder + "\\" + ModuleName;
+        }
+
+        public void NotifyPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            OnPropertyChanged(propertyName);
+            SndShortcutGuideSettings outsettings = new SndShortcutGuideSettings(Settings);
+            SndModuleSettings<SndShortcutGuideSettings> ipcMessage = new SndModuleSettings<SndShortcutGuideSettings>(outsettings);
+            SendConfigMSG(ipcMessage.ToJsonString());
+        }
+    }
+}