element.h

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#pragma once
 
#include "fl/stl/string.h"
#include "fl/stl/compiler_control.h"  // IWYU pragma: keep
#include "fl/stl/noexcept.h"
#include "platforms/ui_defs.h"  // IWYU pragma: keep
 
#define FL_NO_COPY(CLASS)                                                      \
    CLASS(const CLASS &) = delete;                                             \
    CLASS &operator=(const CLASS &) FL_NO_EXCEPT = delete;
 
namespace fl {
 
// Virtual interface for physical button input - breaks fl.cpp -> fl.sensors+ link chain.
// Concrete Button class implements this in fl/sensors/button.h.
class IButtonInput {
  public:
    virtual ~IButtonInput() FL_NO_EXCEPT = default;
    virtual bool isPressed() const FL_NO_EXCEPT = 0;
    virtual bool clicked() const FL_NO_EXCEPT = 0;
};
 
// Forward declaration only - concrete type lives in fl/sensors/button.h
class Button;
 
// Base class for UI elements that provides string-based group functionality
class UIElement {
  public:
    UIElement() FL_NO_EXCEPT;
    VIRTUAL_IF_NOT_AVR ~UIElement() FL_NO_EXCEPT {}
    virtual void setGroup(const fl::string& groupName) FL_NO_EXCEPT { mGroupName = groupName; }
 
    fl::string getGroup() const FL_NO_EXCEPT { return mGroupName; }
    bool hasGroup() const FL_NO_EXCEPT { return !mGroupName.empty(); }
 
  private:
    fl::string mGroupName;
};
 
#define FASTLED_UI_DEFINE_OPERATORS(UI_CLASS)                                  \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, >=)                       \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, <=)                       \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, >)                        \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, <)                        \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, ==)                       \
    FASTLED_DEFINE_POD_COMPARISON_OPERATOR(UI_CLASS, !=)
 
} // namespace fl