godot/scene/gui/code_edit.h

/*************************************************************************/
/*  code_edit.h                                                          */
/*************************************************************************/
/*                       This file is part of:                           */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef CODEEDIT_H
#define CODEEDIT_H

#include "scene/gui/text_edit.h"

class CodeEdit : public TextEdit {
	GDCLASS(CodeEdit, TextEdit)

private:
	int cached_line_count = 0;

	/* Line numbers */
	int line_number_gutter = -1;
	int line_number_digits = 0;
	String line_number_padding = " ";
	Color line_number_color = Color(1, 1, 1);
	void _line_number_draw_callback(int p_line, int p_gutter, const Rect2 &p_region);

	void _gutter_clicked(int p_line, int p_gutter);
	void _lines_edited_from(int p_from_line, int p_to_line);

	void _update_gutter_indexes();

protected:
	void _notification(int p_what);

	static void _bind_methods();

public:
	/* Line numbers */
	void set_draw_line_numbers(bool p_draw);
	bool is_draw_line_numbers_enabled() const;
	void set_line_numbers_zero_padded(bool p_zero_padded);
	bool is_line_numbers_zero_padded() const;

	CodeEdit();
	~CodeEdit();
};

#endif // CODEEDIT_H