NuklearUI.hpp

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#ifndef GALAXY_UI_NUKLEARUI_HPP_
#define GALAXY_UI_NUKLEARUI_HPP_
 
#include <ankerl/unordered_dense.h>
#include <Nuklear.hpp>
 
#include "galaxy/events/ContentScale.hpp"
#include "galaxy/events/KeyChar.hpp"
#include "galaxy/events/KeyPress.hpp"
#include "galaxy/events/MousePressed.hpp"
#include "galaxy/events/MouseWheel.hpp"
 
namespace galaxy
{
    namespace ui
    {
        class NuklearUI final
        {
          public:
            NuklearUI();
 
            ~NuklearUI();
 
            void on_mouse_pressed(events::MousePressed& e);
 
            void on_mouse_wheel(events::MouseWheel& e);
 
            void on_key_char(events::KeyChar& e);
 
            void on_key_press(events::KeyPress& e);
 
            void on_content_scale(const events::ContentScale& e);
 
            void begin_input() const;
 
            void end_input() const;
 
            void poll_input() const;
 
            void new_frame();
 
            void render();
 
            void set_font(const std::string& id);
 
            void toggle_input(const bool enable);
 
            void show_loading_bar(const char* text, nk_size total, nk_size current);
 
            void show_building_atlas();
 
            [[nodiscard]] nk_context* ctx() const;
 
          private:
            void scale(const float scale);
 
          private:
            nk_glfw* m_ctx;
 
            nk_font_atlas* m_atlas;
 
            std::array<int, 4> m_viewport_backup;
 
            ankerl::unordered_dense::map<std::string, nk_font*> m_fonts;
        };
    } // namespace ui
} // namespace galaxy
 
#endif