godot-xterm/addons/godot_xterm/native/src/terminal.h

#ifndef TERMINAL_H
#define TERMINAL_H

#include <libtsm.h>
#include <Control.hpp>
#include <Font.hpp>
#include <Godot.hpp>
#include <map>
#include <vector>

namespace godot
{

class Terminal : public Control
{
	GODOT_CLASS(Terminal, Control)

public:
	struct cell
	{
		char ch[5];
		struct tsm_screen_attr attr;
	} empty_cell = {ch : {0, 0, 0, 0, 0}, attr : {}};

public:
	typedef std::vector<std::vector<struct cell>> Cells;
	typedef std::vector<struct cell> Row;

	Cells cells;

protected:
	tsm_screen *screen;
	tsm_vte *vte;

private:
	static const uint8_t default_color_palette[TSM_COLOR_NUM][3];

	Vector2 cell_size;
	std::map<int, Color> palette = {};

	void update_size();

	void update_color_palette();
	std::pair<Color, Color> get_cell_colors(int row, int col);
	void draw_background(int row, int col, Color bgcol);
	void draw_foreground(int row, int col, Color fgcol);

public:
	static void _register_methods();

	Terminal();
	~Terminal();

	void _init();
	void _ready();
	void _notification(int what);
	void _input(Variant event);
	void _draw();

	void write(PoolByteArray bytes);

	int rows;
	int cols;

	bool sleep;

	uint8_t color_palette[TSM_COLOR_NUM][3];

	tsm_age_t framebuffer_age;
};
} // namespace godot

#endif // TERMINAL_H