godot-xterm/addons/godot_xterm/native/src/terminal.h
Leroy Hopson e8c27f2796
Add clear and sb_reset
Clearing the terminal removes all lines in the scrollback buffer except
for the most recent.

With sb_reset, the terminal will return the scrollback buffer to the
bottom when the user starts typing if they have previously scrolled up.
2021-07-13 06:33:44 +07:00

86 lines
1.7 KiB
C++

// Copyright (c) 2021, Leroy Hopson (MIT License).
#ifndef TERMINAL_H
#define TERMINAL_H
#include <Control.hpp>
#include <Font.hpp>
#include <Godot.hpp>
#include <libtsm.h>
#include <map>
#include <vector>
namespace godot {
class Terminal : public Control {
GODOT_CLASS(Terminal, Control)
public:
Ref<InputEventKey> input_event_key;
protected:
tsm_screen *screen;
tsm_vte *vte;
private:
static const uint8_t default_color_palette[TSM_COLOR_NUM][3];
static std::map<std::pair<int64_t, int64_t>, int> _key_list;
static void _populate_key_list();
static uint32_t mapkey(std::pair<int64_t, int64_t> key);
std::map<int, Color> palette = {};
std::map<String, Ref<Font>> fontmap = {};
void update_size();
void update_theme();
public:
std::pair<Color, Color> get_cell_colors(const tsm_screen_attr *attr);
void draw_background(int row, int col, Color bgcol, int width);
void draw_foreground(int row, int col, char *ch, const tsm_screen_attr *attr,
Color fgcol);
public:
static void _register_methods();
Terminal();
~Terminal();
void _init();
void _ready();
void _notification(int what);
void _gui_input(Variant event);
void _draw();
void write(String data);
void sb_up(int num);
void sb_down(int num);
void sb_reset();
void clear_sb();
void start_selection(Vector2 position);
void select_to_pointer(Vector2 position);
void reset_selection();
String copy_selection();
enum UpdateMode {
DISABLED,
AUTO,
ALL,
ALL_NEXT_FRAME,
};
Vector2 cell_size;
int rows;
int cols;
int update_mode;
uint8_t color_palette[TSM_COLOR_NUM][3];
tsm_age_t framebuffer_age;
};
} // namespace godot
#endif // TERMINAL_H