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

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// SPDX-FileCopyrightText: 2021-2023 Leroy Hopson <godot-xterm@leroy.geek.nz>
// SPDX-License-Identifier: MIT
#ifndef GODOT_XTERM_TERMINAL_H
#define GODOT_XTERM_TERMINAL_H
#include <godot_cpp/classes/control.hpp>
#include <godot_cpp/classes/font.hpp>
#include <godot_cpp/classes/input_event.hpp>
#include <godot_cpp/classes/input_event_key.hpp>
#include <godot_cpp/classes/input_event_mouse.hpp>
#include <godot_cpp/classes/input_event_mouse_button.hpp>
#include <godot_cpp/classes/sub_viewport.hpp>
#include <godot_cpp/classes/texture_rect.hpp>
#include <godot_cpp/classes/timer.hpp>
#include <godot_cpp/variant/packed_byte_array.hpp>
#include <libtsm.h>
#include <map>
#include <vector>
using namespace godot;
class Terminal : public Control {
GDCLASS(Terminal, Control)
public:
Terminal();
~Terminal();
enum UpdateMode {
DISABLED,
AUTO,
ALL,
ALL_NEXT_FRAME,
};
static const UpdateMode UPDATE_MODE_DISABLED = UpdateMode::DISABLED;
static const UpdateMode UPDATE_MODE_AUTO = UpdateMode::AUTO;
static const UpdateMode UPDATE_MODE_ALL = UpdateMode::ALL;
static const UpdateMode UPDATE_MODE_ALL_NEXT_FRAME =
UpdateMode::ALL_NEXT_FRAME;
bool copy_on_selection = false;
void set_copy_on_selection(bool value);
bool get_copy_on_selection();
UpdateMode update_mode = UPDATE_MODE_AUTO;
void set_update_mode(UpdateMode value);
UpdateMode get_update_mode();
double bell_cooldown = 0.1f;
void set_bell_cooldown(double value);
double get_bell_cooldown();
bool bell_muted = false;
void set_bell_muted(bool value);
bool get_bell_muted();
bool blink_enabled = true;
void set_blink_enabled(bool value);
bool get_blink_enabled();
double blink_time_off = 0.3;
void set_blink_time_off(double value);
double get_blink_time_off();
double blink_time_on = 0.6;
void set_blink_time_on(double value);
double get_blink_time_on();
void clear();
String copy_all();
String copy_selection();
int get_cols();
int get_rows();
void write(Variant data);
void _gui_input(Ref<InputEvent> event);
void _notification(int what);
void _flush();
void _on_back_buffer_draw();
void _on_selection_held();
void _toggle_blink();
protected:
static void _bind_methods();
private:
struct ColorDef {
const char *default_color;
tsm_vte_color tsm_color;
};
struct ThemeCache {
int font_size = 0;
std::map<String, Ref<Font>> fonts = std::map<String, Ref<Font>>{};
std::map<String, Color> colors = std::map<String, Color>{};
} theme_cache;
typedef std::map<const char *, ColorDef> ColorMap;
typedef std::pair<Color, Color> ColorPair;
typedef std::map<const char *, const char *> FontMap;
typedef std::map<std::pair<Key, char32_t>, uint32_t> KeyMap;
static const KeyMap KEY_MAP;
static const ColorMap COLORS;
static const FontMap FONTS;
enum SelectionMode { NONE, POINTER };
Control *back_buffer = new Control();
SubViewport *sub_viewport = new SubViewport();
TextureRect *front_buffer = new TextureRect();
Timer *bell_timer = new Timer();
Timer *blink_timer = new Timer();
Timer *selection_timer = new Timer();
tsm_screen *screen;
tsm_vte *vte;
Array write_buffer = Array();
int cols = 80;
int rows = 24;
// Whether blinking characters are visible. Not whether blinking is enabled
// which is determined by `blink_enabled`.
bool blink_on = true;
Vector2 cell_size = Vector2(0, 0);
std::map<int, Color> palette = {};
tsm_age_t framebuffer_age;
Ref<InputEventKey> last_input_event_key;
bool selecting = false;
SelectionMode selection_mode = SelectionMode::NONE;
static void _bell_cb(tsm_vte *vte, void *data);
static int _text_draw_cb(tsm_screen *con, uint64_t id, const uint32_t *ch,
size_t len, unsigned int width, unsigned int col,
unsigned int row, const tsm_screen_attr *attr,
tsm_age_t age, void *data);
static void _write_cb(tsm_vte *vte, const char *u8, size_t len, void *data);
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);
ColorPair _get_cell_colors(const tsm_screen_attr *attr);
void _handle_key_input(Ref<InputEventKey> event);
void _handle_mouse_wheel(Ref<InputEventMouseButton> event);
void _handle_selection(Ref<InputEventMouse> event);
void _recalculate_size();
void _refresh();
void _update_theme_item_cache();
};
VARIANT_ENUM_CAST(Terminal::UpdateMode);
#endif // GODOT_XTERM_TERMINAL_H