/*************************************************************************/
/*  button.h                                                             */
/*************************************************************************/
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#ifndef BUTTON_H
#define BUTTON_H

#include "scene/gui/base_button.h"
#include "scene/resources/text_paragraph.h"

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

public:
	enum TextAlign {
		ALIGN_LEFT,
		ALIGN_CENTER,
		ALIGN_RIGHT
	};

private:
	bool flat = false;
	String text;
	String xl_text;
	Ref<TextParagraph> text_buf;

	Dictionary opentype_features;
	String language;
	TextDirection text_direction = TEXT_DIRECTION_AUTO;

	Ref<Texture2D> icon;
	bool expand_icon = false;
	bool clip_text = false;
	TextAlign align = ALIGN_CENTER;
	TextAlign icon_align = ALIGN_LEFT;
	float _internal_margin[4] = {};

	void _shape();

protected:
	void _set_internal_margin(Side p_side, float p_value);
	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:
	virtual Size2 get_minimum_size() const override;

	void set_text(const String &p_text);
	String get_text() 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_icon(const Ref<Texture2D> &p_icon);
	Ref<Texture2D> get_icon() const;

	void set_expand_icon(bool p_enabled);
	bool is_expand_icon() const;

	void set_flat(bool p_enabled);
	bool is_flat() const;

	void set_clip_text(bool p_enabled);
	bool get_clip_text() const;

	void set_text_align(TextAlign p_align);
	TextAlign get_text_align() const;

	void set_icon_align(TextAlign p_align);
	TextAlign get_icon_align() const;

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

VARIANT_ENUM_CAST(Button::TextAlign);

#endif