firmware/src/modules/OnScreenKeyboardModule.h

#pragma once

#include "configuration.h"
#if HAS_SCREEN

#include "graphics/Screen.h" // InputEvent
#include "graphics/VirtualKeyboard.h"
#include <OLEDDisplay.h>
#include <functional>
#include <string>

namespace graphics {
class OnScreenKeyboardModule {
public:
  static OnScreenKeyboardModule &instance();

  void start(const char *header, const char *initialText, uint32_t durationMs, std::function<void(const std::string &)> callback);

  void stop(bool callEmptyCallback);

  void handleInput(const InputEvent &event);
  static bool processVirtualKeyboardInput(const InputEvent &event, VirtualKeyboard *keyboard);
  bool draw(OLEDDisplay *display);

  void showPopup(const char *title, const char *content, uint32_t durationMs);
  void clearPopup();
  // Draw only the popup overlay (used when legacy virtualKeyboard draws the keyboard)
  void drawPopupOverlay(OLEDDisplay *display);

private:
  OnScreenKeyboardModule() = default;
  ~OnScreenKeyboardModule();
  OnScreenKeyboardModule(const OnScreenKeyboardModule &) = delete;
  OnScreenKeyboardModule &operator=(const OnScreenKeyboardModule &) = delete;

  void onSubmit(const std::string &text);
  void onCancel();

  void drawPopup(OLEDDisplay *display);

  VirtualKeyboard *keyboard = nullptr;
  std::function<void(const std::string &)> callback;

  char popupTitle[64] = {0};
  char popupMessage[256] = {0};
  uint32_t popupUntil = 0;
  bool popupVisible = false;
};

} // namespace graphics

#endif // HAS_SCREEN