SDL3/dialogs/sdl_widget.hpp

 
#pragma once
 
#include <string>
 
#include <vector>
#include <SDL3/SDL.h>
#include <SDL3_ttf/SDL_ttf.h>
 
#if defined(_MSC_VER)
#include <BaseTsd.h>
typedef SSIZE_T ssize_t;
#endif
 
#if !defined(HAS_NOEXCEPT)
#if defined(__clang__)
#if __has_feature(cxx_noexcept)
#define HAS_NOEXCEPT
#endif
#elif defined(__GXX_EXPERIMENTAL_CXX0X__) && __GNUC__ * 10 + __GNUC_MINOR__ >= 46 || \
    defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023026
#define HAS_NOEXCEPT
#endif
#endif
 
#ifndef HAS_NOEXCEPT
#define noexcept
#endif
 
class SdlWidget
{
  public:
  SdlWidget(SDL_Renderer* renderer, const SDL_FRect& rect, bool input);
  SdlWidget(SDL_Renderer* renderer, const SDL_FRect& rect, SDL_IOStream* ops);
  SdlWidget(const SdlWidget& other) = delete;
  SdlWidget(SdlWidget&& other) noexcept;
  virtual ~SdlWidget();
 
  SdlWidget& operator=(const SdlWidget& other) = delete;
  SdlWidget& operator=(SdlWidget&& other) = delete;
 
  bool fill(SDL_Renderer* renderer, SDL_Color color);
  bool fill(SDL_Renderer* renderer, const std::vector<SDL_Color>& colors);
  bool update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor);
  bool update_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor,
                   SDL_Color bgcolor);
 
  [[nodiscard]] bool wrap() const;
  bool set_wrap(bool wrap = true, size_t width = 0);
  [[nodiscard]] const SDL_FRect& rect() const;
 
#define widget_log_error(res, what) SdlWidget::error_ex(res, what, __FILE__, __LINE__, __func__)
  static bool error_ex(Uint32 res, const char* what, const char* file, size_t line,
                       const char* fkt);
 
  private:
  SDL_Texture* render_text(SDL_Renderer* renderer, const std::string& text, SDL_Color fgcolor,
                           SDL_FRect& src, SDL_FRect& dst);
  SDL_Texture* render_text_wrapped(SDL_Renderer* renderer, const std::string& text,
                                   SDL_Color fgcolor, SDL_FRect& src, SDL_FRect& dst);
 
  TTF_Font* _font = nullptr;
  SDL_Texture* _image = nullptr;
  SDL_FRect _rect;
  bool _input = false;
  bool _wrap = false;
  size_t _text_width = 0;
};
 
bool clear_window(SDL_Renderer* renderer);