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119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/entity_base.h"
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#include "esphome/core/helpers.h"
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#include "select_call.h"
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#include "select_traits.h"
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namespace esphome {
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namespace select {
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#define LOG_SELECT(prefix, type, obj) \
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if ((obj) != nullptr) { \
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ESP_LOGCONFIG(TAG, "%s%s '%s'", prefix, LOG_STR_LITERAL(type), (obj)->get_name().c_str()); \
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if (!(obj)->get_icon_ref().empty()) { \
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ESP_LOGCONFIG(TAG, "%s Icon: '%s'", prefix, (obj)->get_icon_ref().c_str()); \
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} \
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}
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#define SUB_SELECT(name) \
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protected: \
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select::Select *name##_select_{nullptr}; \
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\
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public: \
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void set_##name##_select(select::Select *select) { this->name##_select_ = select; }
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/** Base-class for all selects.
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*
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* A select can use publish_state to send out a new value.
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*/
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class Select : public EntityBase {
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public:
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SelectTraits traits;
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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/// @deprecated Use current_option() instead. This member will be removed in ESPHome 2026.5.0.
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ESPDEPRECATED("Use current_option() instead of .state. Will be removed in 2026.5.0", "2025.11.0")
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std::string state{};
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Select() = default;
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~Select() = default;
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#pragma GCC diagnostic pop
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void publish_state(const std::string &state);
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void publish_state(const char *state);
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void publish_state(size_t index);
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/// Return the currently selected option (as const char* from flash).
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const char *current_option() const;
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/// Instantiate a SelectCall object to modify this select component's state.
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SelectCall make_call() { return SelectCall(this); }
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/// Return whether this select component contains the provided option.
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bool has_option(const std::string &option) const;
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bool has_option(const char *option) const;
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/// Return whether this select component contains the provided index offset.
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bool has_index(size_t index) const;
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/// Return the number of options in this select component.
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size_t size() const;
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/// Find the (optional) index offset of the provided option value.
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optional<size_t> index_of(const std::string &option) const;
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optional<size_t> index_of(const char *option) const;
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/// Return the (optional) index offset of the currently active option.
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optional<size_t> active_index() const;
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/// Return the (optional) option value at the provided index offset.
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optional<std::string> at(size_t index) const;
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/// Return the option value at the provided index offset (as const char* from flash).
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const char *option_at(size_t index) const;
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void add_on_state_callback(std::function<void(std::string, size_t)> &&callback);
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protected:
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friend class SelectCall;
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size_t active_index_{0};
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/** Set the value of the select by index, this is an optional virtual method.
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*
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* IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.
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* Overriding this index-based version is PREFERRED as it avoids string conversions.
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*
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* This method is called by the SelectCall when the index is already known.
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* Default implementation converts to string and calls control(const std::string&).
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*
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* @param index The index as validated by the SelectCall.
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*/
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virtual void control(size_t index) { this->control(this->option_at(index)); }
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/** Set the value of the select, this is a virtual method that each select integration can implement.
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*
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* IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.
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* Overriding control(size_t) is PREFERRED as it avoids string conversions.
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*
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* This method is called by control(size_t) when not overridden, or directly by external code.
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* Default implementation converts to index and calls control(size_t).
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*
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* @param value The value as validated by the caller.
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*/
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virtual void control(const std::string &value) {
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auto index = this->index_of(value);
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if (index.has_value()) {
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this->control(index.value());
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}
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}
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CallbackManager<void(std::string, size_t)> state_callback_;
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};
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} // namespace select
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} // namespace esphome
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