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/*************************************************************************/
/*  option_button.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#ifndef OPTION_BUTTON_H
#define OPTION_BUTTON_H

#include "scene/gui/button.h"
#include "scene/gui/popup_menu.h"

class OptionButton : public Button {
	GDCLASS(OptionButton, Button);

	PopupMenu *popup = nullptr;
	int current = -1;
	bool fit_to_longest_item = true;
	Vector2 _cached_size;
	bool cache_refresh_pending = false;

	void _focused(int p_which);
	void _selected(int p_which);
	void _select(int p_which, bool p_emit = false);
	void _select_int(int p_which);
	void _refresh_size_cache();
	void _queue_refresh_cache();

	virtual void pressed() override;

protected:
	Size2 get_minimum_size() const override;
	void _notification(int p_what);
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	virtual void _validate_property(PropertyInfo &property) const override;
	static void _bind_methods();

public:
	// ATTENTION: This is used by the POT generator's scene parser. If the number of properties returned by `_get_items()` ever changes,
	// this value should be updated to reflect the new size.
	static const int ITEM_PROPERTY_SIZE = 5;

	void add_icon_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id = -1);
	void add_item(const String &p_label, int p_id = -1);

	void set_item_text(int p_idx, const String &p_text);
	void set_item_icon(int p_idx, const Ref<Texture2D> &p_icon);
	void set_item_id(int p_idx, int p_id);
	void set_item_metadata(int p_idx, const Variant &p_metadata);
	void set_item_disabled(int p_idx, bool p_disabled);
	void set_item_tooltip(int p_idx, const String &p_tooltip);

	String get_item_text(int p_idx) const;
	Ref<Texture2D> get_item_icon(int p_idx) const;
	int get_item_id(int p_idx) const;
	int get_item_index(int p_id) const;
	Variant get_item_metadata(int p_idx) const;
	bool is_item_disabled(int p_idx) const;
	bool is_item_separator(int p_idx) const;
	String get_item_tooltip(int p_idx) const;

	bool has_selectable_items() const;
	int get_selectable_item(bool p_from_last = false) const;

	void set_item_count(int p_count);
	int get_item_count() const;
	void set_fit_to_longest_item(bool p_fit);
	bool is_fit_to_longest_item() const;

	void add_separator(const String &p_text = "");

	void clear();

	void select(int p_idx);
	int get_selected() const;
	int get_selected_id() const;
	Variant get_selected_metadata() const;

	void remove_item(int p_idx);

	PopupMenu *get_popup() const;

	virtual void get_translatable_strings(List<String> *p_strings) const override;

	OptionButton(const String &p_text = String());
	~OptionButton();
};

#endif // OPTION_BUTTON_H