Layout.h

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#pragma once
 
#include <string>
#include <vector>
#include <utility>
#include <unordered_map>
 
#include "sgui/Widgets/Style.h"
#include "sgui/Widgets/Panel.h"
 
namespace sgui
{

struct LayoutEntry
{
  LayoutEntry () = default;
  // data
  Panel panel;
  Window window;
  sf::Vector2f position;
  Constraints constraints;
};
 


class Layout
{
public:
  bool loadFromFile (const std::string& set);
  void saveInFile (const bool compact = false);
  std::vector<std::string> entries (const std::string& set) const;
  void add (
         const std::string& set,
         const std::string& entry,
         LayoutEntry&& data);
  template <typename LayoutType>
  bool has (const std::string& entry) const;
  template <typename LayoutType>
  LayoutType& get (
         const std::string& entry,
         bool addLayoutType = true);
  template <typename LayoutType>
  const LayoutType& get (
         const std::string& entry,
         bool addLayoutType = true) const;
private:
  std::vector <std::string> m_setFilenames;
  std::unordered_map <std::string, LayoutEntry> m_entries;
  std::unordered_map <std::string, std::vector <std::string>> m_layoutEntries;
};
 


template <typename LayoutData>
constexpr std::string layoutTypeName ()
{
  if constexpr (std::is_same_v <LayoutData, Panel>) {
    return std::string ("Panel::");
  } else if constexpr (std::is_same_v <LayoutData, sf::Vector2f>) {
    return std::string ("Position::");
  } else if constexpr (std::is_same_v <LayoutData, Window>) {
    return std::string ("Window::");
  } else {
    return std::string ("Constraints::");
  }
  return "Err::";
}
 
} // namespace sgui
 
#include "sgui/Resources/Layout.tpp"