input_handle.h

#pragma once
 
#include <string>
 
namespace Vkm::Engine {

constexpr int MAX_MOUSE_BUTTON = 7;    // GLFW_MOUSE_BUTTON_LAST
constexpr int MAX_KEY          = 348;  // GLFW_KEY_LAST

class InputHandle {
    public:
        InputHandle() = default;
        ~InputHandle() = default;
 
        InputHandle(const InputHandle& other) = delete;
        InputHandle& operator=(const InputHandle& other) = delete;
 
        InputHandle(InputHandle && other) = delete;
        InputHandle& operator=(InputHandle && other) = delete;
 
    public:
        bool isKeyPressed(int key) const;

        bool wasKeyStruck(int key) const;

        bool wasKeyTyped(int key) const;

        void onKeyEvent(int key, bool pressed);

        void onText(char32_t codepoint);

        const std::u32string& text() const { return m_text; }

        void moveTo(double x, double y);

        void setButton(int button, bool pressed);

        bool isButtonPressed(int button) const;

        bool wasButtonStruck(int button) const;

        void clearStrikes();

        void resetScrollDelta();

        void addScroll(double yOffset);

        double getX() const { return m_x; }

        double getY() const { return m_y; }

        double getDeltaX() const { return m_deltaX; }

        double getDeltaY() const { return m_deltaY; }

        double getScrollY() const { return m_scrollY; }
 
    private:
        bool m_keyState[MAX_KEY + 1]  = {};
        bool m_keyStruck[MAX_KEY + 1] = {};  
        bool m_keyTyped[MAX_KEY + 1]  = {};  
 
        std::u32string m_text;  
 
        bool m_buttonState[MAX_MOUSE_BUTTON + 1]  = {};
        bool m_buttonStruck[MAX_MOUSE_BUTTON + 1] = {};  
 
        double m_x = 0.0;
        double m_y = 0.0;
        double m_deltaX = 0.0;
        double m_deltaY = 0.0;
 
        double m_scrollY = 0.0;
};
 
} // namespace Vkm::Engine