/*************************************************************************/
/*  link_button.h                                                        */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#ifndef LINKBUTTON_H
#define LINKBUTTON_H

#include "scene/gui/base_button.h"
#include "scene/resources/bit_map.h"
#include "scene/resources/text_line.h"

class LinkButton : public BaseButton {
	GDCLASS(LinkButton, BaseButton);

public:
	enum UnderlineMode {
		UNDERLINE_MODE_ALWAYS,
		UNDERLINE_MODE_ON_HOVER,
		UNDERLINE_MODE_NEVER
	};

private:
	String text;
	String xl_text;
	Ref<TextLine> text_buf;
	UnderlineMode underline_mode = UNDERLINE_MODE_ALWAYS;

	Dictionary opentype_features;
	String language;
	TextDirection text_direction = TEXT_DIRECTION_AUTO;
	Control::StructuredTextParser st_parser = STRUCTURED_TEXT_DEFAULT;
	Array st_args;

	void _shape();

protected:
	virtual Size2 get_minimum_size() const override;
	void _notification(int p_what);
	static void _bind_methods();

	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;

public:
	void set_text(const String &p_text);
	String get_text() const;

	void set_structured_text_bidi_override(Control::StructuredTextParser p_parser);
	Control::StructuredTextParser get_structured_text_bidi_override() const;

	void set_structured_text_bidi_override_options(Array p_args);
	Array get_structured_text_bidi_override_options() const;

	void set_text_direction(TextDirection p_text_direction);
	TextDirection get_text_direction() const;

	void set_opentype_feature(const String &p_name, int p_value);
	int get_opentype_feature(const String &p_name) const;
	void clear_opentype_features();

	void set_language(const String &p_language);
	String get_language() const;

	void set_underline_mode(UnderlineMode p_underline_mode);
	UnderlineMode get_underline_mode() const;

	LinkButton();
};

VARIANT_ENUM_CAST(LinkButton::UnderlineMode);

#endif // LINKBUTTON_H