SDL2/dialogs/sdl_input_widgets.hpp

#pragma once
 
#include <string>
#include <vector>
#include <SDL.h>
 
#include "sdl_input.hpp"
#include "sdl_buttons.hpp"
 
class SdlInputWidgetList
{
  public:
  SdlInputWidgetList(const std::string& title, const std::vector<std::string>& labels,
                     const std::vector<std::string>& initial, const std::vector<Uint32>& flags);
  SdlInputWidgetList(const SdlInputWidgetList& other) = delete;
  SdlInputWidgetList(SdlInputWidgetList&& other) = delete;
 
  SdlInputWidgetList& operator=(const SdlInputWidgetList& other) = delete;
  SdlInputWidgetList& operator=(SdlInputWidgetList&& other) = delete;
 
  virtual ~SdlInputWidgetList();
 
  int run(std::vector<std::string>& result);
 
  protected:
  bool update(SDL_Renderer* renderer);
  ssize_t get_index(const SDL_MouseButtonEvent& button);
 
  private:
  enum
  {
    INPUT_BUTTON_ACCEPT = 1,
    INPUT_BUTTON_CANCEL = -2
  };
 
  ssize_t next(ssize_t current);
  [[nodiscard]] bool valid(ssize_t current) const;
  SdlInputWidget* get(ssize_t index);
 
  SDL_Window* _window;
  SDL_Renderer* _renderer;
  std::vector<SdlInputWidget> _list;
  SdlButtonList _buttons;
};