ActionRegistry.h

// Plik utworzony przez Piotra Chudzińskiego w dniu 12.04.2025
#pragma once
 
#include <foundation/Common.h>
#include <foundation/WindowsKeycode.h>
#include <functional>
#include <unordered_map>
#include <utility>
#include "DrawContext.h"
#include "foundation/KeyToName.h"
 
namespace Andromenda
{
    struct ActionInputMapping
    {
        int32 Key;

        MouseButton Button;
 
        bool operator==(const ActionInputMapping &rhs) const { return Key == rhs.Key; }
    };
} // namespace Andromenda

template<>
struct std::hash<Andromenda::ActionInputMapping>
{
    std::size_t operator()(const Andromenda::ActionInputMapping &k) const noexcept { return k.Key; }
};
 
namespace Andromenda
{
    using Callback = std::function<void()>;

    struct Action
    {
        WideString Text;

        Callback OnAction;
 
        explicit Action() : Text(L"") {}
 
        explicit Action(const WideString &text, const Callback &callback) : Text(text), OnAction(callback) {}
    };

    class ActionRegistry
    {
    private:
        std::unordered_map<ActionInputMapping, Action> m_ActionMap;

        const Action *getByMouseButton(MouseButton button);
 
    public:
        ActionRegistry() = default;

        void Register(const Keycode &keycode, const WideString &actionText, const Callback &callback,
                      MouseButton button = MouseButton::None);

        void Clear();

        void Handle(const int32 &key) const;

        void HandleMouse(const MouseButton &button);

        void DrawActionsAt(DrawContext &context, const Int2 &position) const;
    };
} // namespace Andromenda