Fast and reasonably complete (framebuffer) terminal emulator (Zig fork)
pci.express
1#ifndef _TERM_H
2#define _TERM_H
3
4#include <stddef.h>
5#include <stdint.h>
6#include <stdbool.h>
7
8#define TERM_MAX_ESC_VALUES 16
9
10#define TERM_CB_DEC 10
11#define TERM_CB_BELL 20
12#define TERM_CB_PRIVATE_ID 30
13#define TERM_CB_STATUS_REPORT 40
14#define TERM_CB_POS_REPORT 50
15#define TERM_CB_KBD_LEDS 60
16#define TERM_CB_MODE 70
17#define TERM_CB_LINUX 80
18
19struct term_context {
20 size_t rows, cols;
21
22 size_t tab_size;
23
24 bool autoflush;
25
26 bool in_bootloader;
27
28 bool scroll_enabled;
29 bool control_sequence;
30 bool csi;
31 bool escape;
32 bool rrr;
33 bool discard_next;
34 bool bold;
35 bool reverse_video;
36 bool dec_private;
37 bool insert_mode;
38 uint8_t g_select;
39 uint8_t charsets[2];
40 size_t current_charset;
41 size_t escape_offset;
42 size_t esc_values_i;
43 size_t saved_cursor_x;
44 size_t saved_cursor_y;
45 size_t current_primary;
46 size_t scroll_top_margin;
47 size_t scroll_bottom_margin;
48 uint32_t esc_values[TERM_MAX_ESC_VALUES];
49
50 bool saved_state_bold;
51 bool saved_state_reverse_video;
52 size_t saved_state_current_charset;
53 size_t saved_state_current_primary;
54
55 void (*raw_putchar)(struct term_context *, uint8_t c);
56 void (*clear)(struct term_context *, bool move);
57 void (*enable_cursor)(struct term_context *);
58 bool (*disable_cursor)(struct term_context *);
59 void (*set_cursor_pos)(struct term_context *, size_t x, size_t y);
60 void (*get_cursor_pos)(struct term_context *, size_t *x, size_t *y);
61 void (*set_text_fg)(struct term_context *, size_t fg);
62 void (*set_text_bg)(struct term_context *, size_t bg);
63 void (*set_text_fg_bright)(struct term_context *, size_t fg);
64 void (*set_text_bg_bright)(struct term_context *, size_t bg);
65 void (*set_text_fg_rgb)(struct term_context *, uint32_t fg);
66 void (*set_text_bg_rgb)(struct term_context *, uint32_t bg);
67 void (*set_text_fg_default)(struct term_context *);
68 void (*set_text_bg_default)(struct term_context *);
69 void (*move_character)(struct term_context *, size_t new_x, size_t new_y, size_t old_x, size_t old_y);
70 void (*scroll)(struct term_context *);
71 void (*revscroll)(struct term_context *);
72 void (*swap_palette)(struct term_context *);
73 void (*save_state)(struct term_context *);
74 void (*restore_state)(struct term_context *);
75 void (*double_buffer_flush)(struct term_context *);
76 void (*full_refresh)(struct term_context *);
77 void (*deinit)(struct term_context *, void (*)(void *, size_t));
78
79 void (*callback)(struct term_context *, uint64_t, uint64_t, uint64_t, uint64_t);
80};
81
82void term_context_reinit(struct term_context *ctx);
83void term_write(struct term_context *ctx, const char *buf, size_t count);
84
85#endif