DropDown.hpp

#include "Button.hpp"
#include <vector>
#include <utility>
#include <functional>
#include <string>
#include "Container.hpp"
#include "Screen.hpp"
#include "ListElement.hpp"
 
#ifndef DROPDOWN_HPP_
#define DROPDOWN_HPP_
 
namespace Chesto {
 
class DropDownChoices;
 
class DropDownControllerElement : public Screen
{
public:
    void rebuildUI() override {}
};
 
class DropDown : public Button
{
public:
    DropDown(
        int physicalButton,
        std::vector<std::pair<std::string, std::string>> choices,
        std::function<void(std::string)> onSelect,
        int textSize,
        std::string defaultChoice = "",
        bool isDarkMode = false
    );
    std::vector<std::pair<std::string, std::string>> choices;
    std::function<void(std::string)> onSelect;
    std::string selectedChoice; // Current selection
 
    // element overriden functions
    bool process(InputEvents* event);
};
 
// DropDownChoices is now a Screen that gets pushed onto the screen stack
class DropDownChoices : public Screen
{
public:
    DropDownChoices(
        std::vector<std::pair<std::string, std::string>> choices,
        std::function<void(std::string)> onSelect,
        bool isDarkMode,
        std::string header = ""
    );
    bool process(InputEvents* event) override;
    void render(Element* parent) override;
    void rebuildUI() override; // Required by Screen
 
    int curHighlighted = -1;
    Container* container = nullptr; // the container that contains the actual choice elements (used for navigation)
    ListElement* scrollList = nullptr; // the scrollable wrapper for everything
    
private:
    std::vector<std::pair<std::string, std::string>> choices;
    std::function<void(std::string)> onSelectCallback;
    bool isDarkMode;
    std::string header;
};
 
} // namespace Chesto
 
#endif