choice.h

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#ifndef ASW_MODULES_UI_CHOICE_H
#define ASW_MODULES_UI_CHOICE_H
 
#include <cstddef>
#include <functional>
#include <optional>
#include <string>
#include <vector>
 
#include "button.h"
 
namespace asw::ui {
 
class Choice : public Button {
public:
    std::vector<std::string> options;
 
    std::vector<asw::Texture> images;
 
    std::size_t index = 0;
 
    bool wrap = true;
 
    std::optional<bool> adjust_on_left_right;
 
    bool adjusts_left_right() const;
 
    bool show_arrows = true;
 
    std::function<void(std::size_t)> on_change;
 
    std::size_t count() const;
 
    void select(std::size_t i);
 
    void next();
 
    void prev();
 
    void activate(Context& ctx) override;
 
    bool on_event(Context& ctx, const UIEvent& e) override;
 
    void draw(Context& ctx) override;
 
private:
    void step(int dir);
};
 
} // namespace asw::ui
 
#endif // ASW_MODULES_UI_CHOICE_H