bwidgets/inc/basic_widgets/w/caption.hpp

#ifndef BWIDGETS_CAPTION_HPP_
#define BWIDGETS_CAPTION_HPP_

#include <basic_widgets/core/texture.hpp>
#include <basic_widgets/core/type/size.hpp>
#include <basic_widgets/w/base/widget.hpp>
#include <basic_widgets/w/feat/font_handler.hpp>
#include <basic_widgets/w/feat/texture_handler.hpp>

struct SDL_Surface;

namespace bwidgets::widget
{
    class Caption : public Widget, public FontHandler,
                    public TextureHandler
    {
        public:
            enum struct Alignment {
                CENTER,
                LEFT,
                RIGHT
            };

        protected:
            SDL_Color      _color_fg     {0, 0, 0, SDL_ALPHA_OPAQUE};
            SDL_Color      _color_bg     {255, 255, 255, SDL_ALPHA_TRANSPARENT};
            core::Font::RenderMode _render_mode {core::Font::RenderMode::SHADED};
            std::string    _text;
            core::Texture* _text_texture {nullptr};

            virtual void _handle_font_change(core::Font*) override;
            virtual void _handle_font_color_change(const SDL_Color&,
                                                   const SDL_Color&) override;
            virtual void _handle_geometry_change(const SDL_Rect&) noexcept override;
            virtual void _handle_renderer_change(core::Renderer*) override;
            virtual void _handle_rendering() override;
            virtual void _handle_texture_update() override;

        public:
            Alignment  alignment {Alignment::LEFT};
            core::Size margins   {2, 2};

            Caption(Widget* parent=nullptr) : Widget(parent) {}
            ~Caption() noexcept;

            virtual Caption*           color_bg(const SDL_Color&);
            virtual Caption*           color_fg(const SDL_Color&);
            virtual Caption*           render_mode(core::Font::RenderMode) noexcept;
            virtual const std::string& text() const noexcept;
            virtual Caption*           text(const std::string&);

            virtual core::Size         size() const noexcept override;
    };
}

#endif