[Kbm] Save the remaps to file[part-1] (#2184)

* Added Inital FileWatcher Implementation

* Added logic to read remap from file

* Added remap logic save to file

* Refactor code

* Moved the strings to constant file

* Added logic to handle Win key

* Updated filewatcher logic to avoid duplicate events

* Added comments

* Fix spacing

* Fix spacing

* Update logic to accomodate upstream merge

* Added global property name for os level shortcuts

* Added subkey for inprocess keys

* Remove non required file

* Added Changes required after merge

* Fix spacing in Helper.cpp

src/modules/keyboardmanager/common/Shortcut.h

@@ -1,6 +1,7 @@
 #pragma once
 #include "Helpers.h"
 #include "LayoutMap.h"
+#include "KeyboardManagerConstants.h"
 #include <interface/lowlevel_keyboard_event_data.h>
 
 // Enum type to store different states of the win key
@@ -28,6 +29,25 @@ public:
     {
     }
 
+    // Constructor to intialize Shortcut from it's virtual key code string representation.
+    Shortcut(const std::wstring& shortcutVK) :
+        winKey(ModifierKey::Disabled), ctrlKey(ModifierKey::Disabled), altKey(ModifierKey::Disabled), shiftKey(ModifierKey::Disabled), actionKey(NULL)
+    {
+        auto keys = KeyboardManagerHelper::splitwstring(shortcutVK, ';');
+        for (auto it : keys)
+        {
+            auto vkKeyCode = std::stoul(it);
+            if (vkKeyCode == KeyboardManagerConstants::VK_WIN_BOTH)
+            {
+                SetKey(vkKeyCode, true);
+            }
+            else
+            {
+                SetKey(vkKeyCode);
+            }
+        }
+    }
+
     // Less than operator must be defined to use with std::map.
     inline bool operator<(const Shortcut& sc) const
     {
@@ -135,6 +155,12 @@ public:
     // Function to reset the state of a shortcut key based on the passed key code argument. Since there is no VK_WIN code, use the second argument for setting common win key.
     void ResetKey(const DWORD& input, const bool& isWinBoth = false);
 
+    // Function to return the string representation of the shortcut
+    winrt::hstring ToHstring(LayoutMap& keyboardMap);
+
+    // Function to return the string representation of the shortcut in virtual key codes appended in a string by ";" separator.
+    winrt::hstring ToHstringVK() const;
+    
     // Function to return a vector of hstring for each key in the display order
     std::vector<winrt::hstring> GetKeyVector(LayoutMap& keyboardMap) const;