PowerToys/src/modules/keyboardmanager/ui/LoadingAndSavingRemappingHelper.h

#pragma once
#include <vector>
#include <keyboardmanager/common/Helpers.h>
#include <variant>

class KeyboardManagerState;

namespace LoadingAndSavingRemappingHelper
{
    // Function to check if the set of remappings in the buffer are valid
    KeyboardManagerHelper::ErrorType CheckIfRemappingsAreValid(const RemapBuffer& remappings);

    // Function to return the set of keys that have been orphaned from the remap buffer
    std::vector<DWORD> GetOrphanedKeys(const RemapBuffer& remappings);

    // Function to combine remappings if the L and R version of the modifier is mapped to the same key
    void CombineRemappings(std::unordered_map<DWORD, std::variant<DWORD, Shortcut>>& table, DWORD leftKey, DWORD rightKey, DWORD combinedKey);

    // Function to pre process the remap table before loading it into the UI
    void PreProcessRemapTable(std::unordered_map<DWORD, std::variant<DWORD, Shortcut>>& table);

    // Function to apply the single key remappings from the buffer to the KeyboardManagerState variable
    void ApplySingleKeyRemappings(KeyboardManagerState& keyboardManagerState, const RemapBuffer& remappings, bool isTelemetryRequired);

    // Function to apply the shortcut remappings from the buffer to the KeyboardManagerState variable
    void ApplyShortcutRemappings(KeyboardManagerState& keyboardManagerState, const RemapBuffer& remappings, bool isTelemetryRequired);
}