homeassistant_select.h

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#pragma once
 
#include <cstddef>
#include <cstdint>
#include <memory>
 
#include "esphome/components/select/select.h"
#include "esphome/core/component.h"
#include "esphome/core/string_ref.h"
 
namespace esphome::homeassistant {
 
class HomeassistantSelect final : public select::Select, public Component {
 public:
  HomeassistantSelect(uint8_t max_options, uint16_t options_buffer_size)
      : options_buffer_size_(options_buffer_size), max_options_(max_options) {}
 
  void set_entity_id(const char *entity_id) { this->entity_id_ = entity_id; }
 
  void setup() override;
  void dump_config() override;
  float get_setup_priority() const override;
 
 protected:
  void options_changed_(StringRef options);
  void state_changed_(StringRef state);
 
  void control(size_t index) override;
 
  const char *entity_id_{nullptr};
 
 private:
  // The traits point at option_list_, whose entries point into options_buffer_; both are sized once in
  // setup() and must match options_buffer_size_ and max_options_
  std::unique_ptr<char[]> options_buffer_;
  std::unique_ptr<const char *[]> option_list_;
  uint16_t options_buffer_size_;
  uint8_t max_options_;
};
 
}  // namespace esphome::homeassistant