help_menu_entry.h

#pragma once
 
#include <cgv/gui/gui_group.h>
#include <cgv/gui/window.h>
#include <cgv/utils/scan.h>
#include <cgv/utils/token.h>
#include <cgv/utils/tokenizer.h>
 
#include "lib_begin.h"
 
namespace cgv {
    namespace gui {

class CGV_API help_menu_entry : public cgv::base::node
{
private:
    enum class SectionType {
        kHeading1,
        kHeading2,
        kHeading3,
        kHeading4,
        kText,
        kItems,
        kKeyBindings
    };
 
    struct section {
        SectionType type = SectionType::kText;
        std::string content;
    };
 
    std::vector<section> sections;
 
    void add_section(SectionType type, const std::string& content) {
        sections.push_back({ type, content });
    }
 
public:
    window_ptr wnd;
    std::vector<gui_group_ptr> groups;

    help_menu_entry(const std::string& name = "") : cgv::base::node(name) {}
 
    // TODO: Do we need a destructor to clean up?
    //~help_menu_entry() {}


    void on_register() override;

    void unregister() override;


    void add_heading1(const std::string& text) {
        add_section(SectionType::kHeading1, text);
    }

    void add_heading2(const std::string& text) {
        add_section(SectionType::kHeading2, text);
    }

    void add_heading3(const std::string& text) {
        add_section(SectionType::kHeading3, text);
    }

    void add_heading4(const std::string& text) {
        add_section(SectionType::kHeading4, text);
    }

    void add_text(const std::string& text) {
        add_section(SectionType::kText, text);
    }

    void add_items(const std::string& items) {
        add_section(SectionType::kItems, items);
    }

    void add_key_bindings(const std::string& key_bindings) {
        add_section(SectionType::kKeyBindings, key_bindings);
    }

};

template <class T>
struct help_menu_entry_registration {

    help_menu_entry_registration(const std::string& _created_type_name, const std::string& _menu_entry_name = "") {
        static_assert(std::is_base_of<help_menu_entry, T>::value, "T must inherit from cgv::gui::help_menu_entry");
        cgv::base::register_object(new cgv::base::factory_impl<T>(_created_type_name, true, ""), "menu_text='Help/" + _menu_entry_name + "'");
    }
};
 
    }
}
 
#include <cgv/config/lib_end.h>