frontend: line-ed: add missing tty function implementations for linux & darwin
This commit is contained in:
@@ -1,25 +1,27 @@
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#include "../../../line-ed/tty.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "tty.h"
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#define ANSI_BOLD_ON "1"
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#define ANSI_BOLD_OFF "22"
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#define ANSI_ITALIC_ON "3"
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#define ANSI_ITALIC_OFF "23"
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#define ANSI_UNDERLINE_ON "4"
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#define ANSI_UNDERLINE_OFF "24"
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#define ANSI_BOLD_ON "1"
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#define ANSI_BOLD_OFF "22"
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#define ANSI_ITALIC_ON "3"
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#define ANSI_ITALIC_OFF "23"
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#define ANSI_UNDERLINE_ON "4"
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#define ANSI_UNDERLINE_OFF "24"
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#define ANSI_DEFAULTCOLOUR_FG "39"
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#define ANSI_DEFAULTCOLOUR_BG "49"
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#define ANSI_256COLOUR_FG "38;5"
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#define ANSI_256COLOUR_BG "48;5"
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#define ANSI_256COLOUR_FG "38;5"
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#define ANSI_256COLOUR_BG "48;5"
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#define ANSI_TRUECOLOUR_FG "38;2"
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#define ANSI_TRUECOLOUR_BG "48;2"
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#define ANSI_TRUECOLOUR_FG "38;2"
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#define ANSI_TRUECOLOUR_BG "48;2"
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enum tty_flags {
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TTY_INIT = 0x01u,
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@@ -37,41 +39,41 @@ struct s_tty {
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static struct s_tty tty = {};
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static const char *ansi_colour16_fg[] = {
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[TTY_COLOUR16_BLACK] = "30",
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[TTY_COLOUR16_RED] = "31",
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[TTY_COLOUR16_GREEN] = "32",
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[TTY_COLOUR16_YELLOW] = "33",
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[TTY_COLOUR16_BLUE] = "34",
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[TTY_COLOUR16_MAGENTA] = "35",
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[TTY_COLOUR16_CYAN] = "36",
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[TTY_COLOUR16_WHITE] = "37",
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[TTY_COLOUR16_GREY] = "90",
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[TTY_COLOUR16_BRIGHT_RED] = "91",
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[TTY_COLOUR16_BRIGHT_GREEN] = "92",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "93",
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[TTY_COLOUR16_BRIGHT_BLUE] = "94",
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[TTY_COLOUR16_BLACK] = "30",
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[TTY_COLOUR16_RED] = "31",
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[TTY_COLOUR16_GREEN] = "32",
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[TTY_COLOUR16_YELLOW] = "33",
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[TTY_COLOUR16_BLUE] = "34",
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[TTY_COLOUR16_MAGENTA] = "35",
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[TTY_COLOUR16_CYAN] = "36",
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[TTY_COLOUR16_WHITE] = "37",
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[TTY_COLOUR16_GREY] = "90",
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[TTY_COLOUR16_BRIGHT_RED] = "91",
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[TTY_COLOUR16_BRIGHT_GREEN] = "92",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "93",
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[TTY_COLOUR16_BRIGHT_BLUE] = "94",
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[TTY_COLOUR16_BRIGHT_MAGENTA] = "95",
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[TTY_COLOUR16_BRIGHT_CYAN] = "96",
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[TTY_COLOUR16_BRIGHT_WHITE] = "97",
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[TTY_COLOUR16_BRIGHT_CYAN] = "96",
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[TTY_COLOUR16_BRIGHT_WHITE] = "97",
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};
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static const char *ansi_colour16_bg[] = {
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[TTY_COLOUR16_BLACK] = "40",
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[TTY_COLOUR16_RED] = "41",
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[TTY_COLOUR16_GREEN] = "42",
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[TTY_COLOUR16_YELLOW] = "43",
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[TTY_COLOUR16_BLUE] = "44",
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[TTY_COLOUR16_MAGENTA] = "45",
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[TTY_COLOUR16_CYAN] = "46",
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[TTY_COLOUR16_WHITE] = "47",
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[TTY_COLOUR16_GREY] = "100",
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[TTY_COLOUR16_BRIGHT_RED] = "101",
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[TTY_COLOUR16_BRIGHT_GREEN] = "102",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "103",
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[TTY_COLOUR16_BRIGHT_BLUE] = "104",
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[TTY_COLOUR16_BLACK] = "40",
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[TTY_COLOUR16_RED] = "41",
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[TTY_COLOUR16_GREEN] = "42",
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[TTY_COLOUR16_YELLOW] = "43",
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[TTY_COLOUR16_BLUE] = "44",
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[TTY_COLOUR16_MAGENTA] = "45",
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[TTY_COLOUR16_CYAN] = "46",
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[TTY_COLOUR16_WHITE] = "47",
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[TTY_COLOUR16_GREY] = "100",
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[TTY_COLOUR16_BRIGHT_RED] = "101",
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[TTY_COLOUR16_BRIGHT_GREEN] = "102",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "103",
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[TTY_COLOUR16_BRIGHT_BLUE] = "104",
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[TTY_COLOUR16_BRIGHT_MAGENTA] = "105",
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[TTY_COLOUR16_BRIGHT_CYAN] = "106",
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[TTY_COLOUR16_BRIGHT_WHITE] = "107",
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[TTY_COLOUR16_BRIGHT_CYAN] = "106",
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[TTY_COLOUR16_BRIGHT_WHITE] = "107",
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};
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static void init_tty(struct s_tty *tty, FILE *in, FILE *out)
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@@ -122,8 +124,8 @@ void s_tty_set_canon(struct s_tty *tty)
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void s_tty_reset_vmode(struct s_tty *tty)
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{
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if (tty->t_vmode.v_fg.c_mode == TTY_COLOUR_NONE
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&& tty->t_vmode.v_bg.c_mode == TTY_COLOUR_NONE
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&& tty->t_vmode.v_attrib == TTY_ATTRIB_NORMAL) {
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&& tty->t_vmode.v_bg.c_mode == TTY_COLOUR_NONE
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&& tty->t_vmode.v_attrib == TTY_ATTRIB_NORMAL) {
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return;
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}
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@@ -136,7 +138,8 @@ void s_tty_reset_vmode(struct s_tty *tty)
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tty->t_vmode.v_attrib = TTY_ATTRIB_NORMAL;
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}
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static int compare_colour(const struct s_tty_colour *a, const struct s_tty_colour *b)
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static int compare_colour(
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const struct s_tty_colour *a, const struct s_tty_colour *b)
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{
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if (a->c_mode != b->c_mode) {
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return -1;
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@@ -200,44 +203,47 @@ static void put_ansi_attrib(struct s_tty *tty, const char *s)
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tty->t_mcount++;
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}
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static void set_attrib(struct s_tty *tty, enum s_tty_attrib old, enum s_tty_attrib new)
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static void set_attrib(
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struct s_tty *tty, enum s_tty_attrib old, enum s_tty_attrib new)
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{
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if (old == new) {
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return;
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}
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/* Bold ON */
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if (!(old & TTY_ATTRIB_BOLD) && new & TTY_ATTRIB_BOLD) {
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if (!(old & TTY_ATTRIB_BOLD) && new &TTY_ATTRIB_BOLD) {
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put_ansi_attrib(tty, ANSI_BOLD_ON);
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}
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/* Bold OFF */
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if (old & TTY_ATTRIB_BOLD && !(new & TTY_ATTRIB_BOLD)) {
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if (old & TTY_ATTRIB_BOLD && !(new &TTY_ATTRIB_BOLD)) {
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put_ansi_attrib(tty, ANSI_BOLD_OFF);
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}
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/* Underline ON */
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if (!(old & TTY_ATTRIB_UNDERLINE) && new & TTY_ATTRIB_UNDERLINE) {
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if (!(old & TTY_ATTRIB_UNDERLINE) && new &TTY_ATTRIB_UNDERLINE) {
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put_ansi_attrib(tty, ANSI_UNDERLINE_ON);
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}
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/* Underline OFF */
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if (old & TTY_ATTRIB_UNDERLINE && !(new & TTY_ATTRIB_UNDERLINE)) {
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if (old & TTY_ATTRIB_UNDERLINE && !(new &TTY_ATTRIB_UNDERLINE)) {
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put_ansi_attrib(tty, ANSI_UNDERLINE_OFF);
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}
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/* Italic ON */
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if (!(old & TTY_ATTRIB_ITALIC) && new & TTY_ATTRIB_ITALIC) {
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if (!(old & TTY_ATTRIB_ITALIC) && new &TTY_ATTRIB_ITALIC) {
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put_ansi_attrib(tty, ANSI_ITALIC_ON);
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}
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/* Italic OFF */
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if (old & TTY_ATTRIB_ITALIC && !(new & TTY_ATTRIB_ITALIC)) {
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if (old & TTY_ATTRIB_ITALIC && !(new &TTY_ATTRIB_ITALIC)) {
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put_ansi_attrib(tty, ANSI_ITALIC_OFF);
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}
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}
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static void set_fg(struct s_tty *tty, const struct s_tty_colour *old, const struct s_tty_colour *new)
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static void set_fg(
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struct s_tty *tty, const struct s_tty_colour *old,
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const struct s_tty_colour *new)
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{
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if (compare_colour(old, new) == 0) {
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return;
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@@ -271,7 +277,9 @@ static void set_fg(struct s_tty *tty, const struct s_tty_colour *old, const stru
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}
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}
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static void set_bg(struct s_tty *tty, const struct s_tty_colour *old, const struct s_tty_colour *new)
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static void set_bg(
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struct s_tty *tty, const struct s_tty_colour *old,
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const struct s_tty_colour *new)
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{
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if (compare_colour(old, new) == 0) {
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return;
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@@ -337,7 +345,7 @@ s_keycode s_tty_read_key(struct s_tty *tty)
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}
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if (c == '\r' || c == '\n') {
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return S_KEY_RETURN;
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return S_KEY_RETURN;
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}
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if (c == '\b' || c == 0x7F) {
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@@ -382,3 +390,72 @@ s_keycode s_tty_read_key(struct s_tty *tty)
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return c;
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}
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void s_tty_move_cursor_x(struct s_tty *tty, enum s_tty_position_base base, int pos)
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{
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if (base == TTY_POS_CURSOR && pos < 0 && pos >= -4) {
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for (int i = 0; i > pos; i--) {
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fputc('\b', tty->t_out);
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}
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return;
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}
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if (base == TTY_POS_START) {
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if (pos == 0) {
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fputs("\033[G", tty->t_out);
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} else {
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fprintf(tty->t_out, "\033[%dG", pos + 1);
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}
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} else {
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if (pos > 1) {
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fprintf(tty->t_out, "\033[%dC", pos);
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} else if (pos == 1) {
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fputs("\033[C", tty->t_out);
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} else if (pos == -1) {
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fputs("\033[D", tty->t_out);
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} else if (pos < -1) {
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fprintf(tty->t_out, "\033[%dD", -pos);
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}
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}
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}
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void s_tty_move_cursor_y(struct s_tty *tty, enum s_tty_position_base base, int pos)
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{
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if (base == TTY_POS_START) {
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/* we don't need this functionality right now */
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abort();
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}
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if (pos > 1) {
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fprintf(tty->t_out, "\033[%dB", pos);
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} else if (pos == 1) {
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fputs("\033[B", tty->t_out);
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} else if (pos == -1) {
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fputs("\033[A", tty->t_out);
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} else if (pos < -1) {
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fprintf(tty->t_out, "\033[%dA", -pos);
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}
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}
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void s_tty_clear(struct s_tty *tty, enum s_tty_clear_mode mode)
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{
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const char *arg;
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if (mode & TTY_CLEAR_ALL) {
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arg = "2";
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} else if (mode & TTY_CLEAR_TO_CURSOR) {
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arg = "1";
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} else if (mode & TTY_CLEAR_FROM_CURSOR) {
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arg = "";
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} else {
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abort();
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}
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if (mode & TTY_CLEAR_SCREEN) {
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fprintf(tty->t_out, "\033[%sJ", arg);
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} else if (mode & TTY_CLEAR_LINE) {
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fprintf(tty->t_out, "\033[%sK", arg);
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} else {
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abort();
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}
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}
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@@ -1,25 +1,27 @@
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#include "../../../line-ed/tty.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "tty.h"
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#define ANSI_BOLD_ON "1"
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#define ANSI_BOLD_OFF "22"
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#define ANSI_ITALIC_ON "3"
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#define ANSI_ITALIC_OFF "23"
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#define ANSI_UNDERLINE_ON "4"
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#define ANSI_UNDERLINE_OFF "24"
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#define ANSI_BOLD_ON "1"
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#define ANSI_BOLD_OFF "22"
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#define ANSI_ITALIC_ON "3"
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#define ANSI_ITALIC_OFF "23"
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#define ANSI_UNDERLINE_ON "4"
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#define ANSI_UNDERLINE_OFF "24"
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#define ANSI_DEFAULTCOLOUR_FG "39"
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#define ANSI_DEFAULTCOLOUR_BG "49"
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#define ANSI_256COLOUR_FG "38;5"
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#define ANSI_256COLOUR_BG "48;5"
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#define ANSI_256COLOUR_FG "38;5"
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#define ANSI_256COLOUR_BG "48;5"
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#define ANSI_TRUECOLOUR_FG "38;2"
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#define ANSI_TRUECOLOUR_BG "48;2"
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#define ANSI_TRUECOLOUR_FG "38;2"
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#define ANSI_TRUECOLOUR_BG "48;2"
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enum tty_flags {
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TTY_INIT = 0x01u,
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@@ -37,41 +39,41 @@ struct s_tty {
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static struct s_tty tty = {};
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static const char *ansi_colour16_fg[] = {
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[TTY_COLOUR16_BLACK] = "30",
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[TTY_COLOUR16_RED] = "31",
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[TTY_COLOUR16_GREEN] = "32",
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[TTY_COLOUR16_YELLOW] = "33",
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[TTY_COLOUR16_BLUE] = "34",
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[TTY_COLOUR16_MAGENTA] = "35",
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[TTY_COLOUR16_CYAN] = "36",
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[TTY_COLOUR16_WHITE] = "37",
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[TTY_COLOUR16_GREY] = "90",
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[TTY_COLOUR16_BRIGHT_RED] = "91",
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[TTY_COLOUR16_BRIGHT_GREEN] = "92",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "93",
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[TTY_COLOUR16_BRIGHT_BLUE] = "94",
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[TTY_COLOUR16_BLACK] = "30",
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[TTY_COLOUR16_RED] = "31",
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[TTY_COLOUR16_GREEN] = "32",
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[TTY_COLOUR16_YELLOW] = "33",
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[TTY_COLOUR16_BLUE] = "34",
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[TTY_COLOUR16_MAGENTA] = "35",
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[TTY_COLOUR16_CYAN] = "36",
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[TTY_COLOUR16_WHITE] = "37",
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[TTY_COLOUR16_GREY] = "90",
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[TTY_COLOUR16_BRIGHT_RED] = "91",
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[TTY_COLOUR16_BRIGHT_GREEN] = "92",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "93",
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[TTY_COLOUR16_BRIGHT_BLUE] = "94",
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[TTY_COLOUR16_BRIGHT_MAGENTA] = "95",
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[TTY_COLOUR16_BRIGHT_CYAN] = "96",
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[TTY_COLOUR16_BRIGHT_WHITE] = "97",
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[TTY_COLOUR16_BRIGHT_CYAN] = "96",
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[TTY_COLOUR16_BRIGHT_WHITE] = "97",
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};
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static const char *ansi_colour16_bg[] = {
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[TTY_COLOUR16_BLACK] = "40",
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[TTY_COLOUR16_RED] = "41",
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[TTY_COLOUR16_GREEN] = "42",
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[TTY_COLOUR16_YELLOW] = "43",
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[TTY_COLOUR16_BLUE] = "44",
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[TTY_COLOUR16_MAGENTA] = "45",
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[TTY_COLOUR16_CYAN] = "46",
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[TTY_COLOUR16_WHITE] = "47",
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[TTY_COLOUR16_GREY] = "100",
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[TTY_COLOUR16_BRIGHT_RED] = "101",
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[TTY_COLOUR16_BRIGHT_GREEN] = "102",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "103",
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[TTY_COLOUR16_BRIGHT_BLUE] = "104",
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[TTY_COLOUR16_BLACK] = "40",
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[TTY_COLOUR16_RED] = "41",
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[TTY_COLOUR16_GREEN] = "42",
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[TTY_COLOUR16_YELLOW] = "43",
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[TTY_COLOUR16_BLUE] = "44",
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[TTY_COLOUR16_MAGENTA] = "45",
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[TTY_COLOUR16_CYAN] = "46",
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[TTY_COLOUR16_WHITE] = "47",
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[TTY_COLOUR16_GREY] = "100",
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[TTY_COLOUR16_BRIGHT_RED] = "101",
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[TTY_COLOUR16_BRIGHT_GREEN] = "102",
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[TTY_COLOUR16_BRIGHT_YELLOW] = "103",
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[TTY_COLOUR16_BRIGHT_BLUE] = "104",
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[TTY_COLOUR16_BRIGHT_MAGENTA] = "105",
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[TTY_COLOUR16_BRIGHT_CYAN] = "106",
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[TTY_COLOUR16_BRIGHT_WHITE] = "107",
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||||
[TTY_COLOUR16_BRIGHT_CYAN] = "106",
|
||||
[TTY_COLOUR16_BRIGHT_WHITE] = "107",
|
||||
};
|
||||
|
||||
static void init_tty(struct s_tty *tty, FILE *in, FILE *out)
|
||||
@@ -122,8 +124,8 @@ void s_tty_set_canon(struct s_tty *tty)
|
||||
void s_tty_reset_vmode(struct s_tty *tty)
|
||||
{
|
||||
if (tty->t_vmode.v_fg.c_mode == TTY_COLOUR_NONE
|
||||
&& tty->t_vmode.v_bg.c_mode == TTY_COLOUR_NONE
|
||||
&& tty->t_vmode.v_attrib == TTY_ATTRIB_NORMAL) {
|
||||
&& tty->t_vmode.v_bg.c_mode == TTY_COLOUR_NONE
|
||||
&& tty->t_vmode.v_attrib == TTY_ATTRIB_NORMAL) {
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -136,7 +138,8 @@ void s_tty_reset_vmode(struct s_tty *tty)
|
||||
tty->t_vmode.v_attrib = TTY_ATTRIB_NORMAL;
|
||||
}
|
||||
|
||||
static int compare_colour(const struct s_tty_colour *a, const struct s_tty_colour *b)
|
||||
static int compare_colour(
|
||||
const struct s_tty_colour *a, const struct s_tty_colour *b)
|
||||
{
|
||||
if (a->c_mode != b->c_mode) {
|
||||
return -1;
|
||||
@@ -200,44 +203,47 @@ static void put_ansi_attrib(struct s_tty *tty, const char *s)
|
||||
tty->t_mcount++;
|
||||
}
|
||||
|
||||
static void set_attrib(struct s_tty *tty, enum s_tty_attrib old, enum s_tty_attrib new)
|
||||
static void set_attrib(
|
||||
struct s_tty *tty, enum s_tty_attrib old, enum s_tty_attrib new)
|
||||
{
|
||||
if (old == new) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Bold ON */
|
||||
if (!(old & TTY_ATTRIB_BOLD) && new & TTY_ATTRIB_BOLD) {
|
||||
if (!(old & TTY_ATTRIB_BOLD) && new &TTY_ATTRIB_BOLD) {
|
||||
put_ansi_attrib(tty, ANSI_BOLD_ON);
|
||||
}
|
||||
|
||||
/* Bold OFF */
|
||||
if (old & TTY_ATTRIB_BOLD && !(new & TTY_ATTRIB_BOLD)) {
|
||||
if (old & TTY_ATTRIB_BOLD && !(new &TTY_ATTRIB_BOLD)) {
|
||||
put_ansi_attrib(tty, ANSI_BOLD_OFF);
|
||||
}
|
||||
|
||||
/* Underline ON */
|
||||
if (!(old & TTY_ATTRIB_UNDERLINE) && new & TTY_ATTRIB_UNDERLINE) {
|
||||
if (!(old & TTY_ATTRIB_UNDERLINE) && new &TTY_ATTRIB_UNDERLINE) {
|
||||
put_ansi_attrib(tty, ANSI_UNDERLINE_ON);
|
||||
}
|
||||
|
||||
/* Underline OFF */
|
||||
if (old & TTY_ATTRIB_UNDERLINE && !(new & TTY_ATTRIB_UNDERLINE)) {
|
||||
if (old & TTY_ATTRIB_UNDERLINE && !(new &TTY_ATTRIB_UNDERLINE)) {
|
||||
put_ansi_attrib(tty, ANSI_UNDERLINE_OFF);
|
||||
}
|
||||
|
||||
/* Italic ON */
|
||||
if (!(old & TTY_ATTRIB_ITALIC) && new & TTY_ATTRIB_ITALIC) {
|
||||
if (!(old & TTY_ATTRIB_ITALIC) && new &TTY_ATTRIB_ITALIC) {
|
||||
put_ansi_attrib(tty, ANSI_ITALIC_ON);
|
||||
}
|
||||
|
||||
/* Italic OFF */
|
||||
if (old & TTY_ATTRIB_ITALIC && !(new & TTY_ATTRIB_ITALIC)) {
|
||||
if (old & TTY_ATTRIB_ITALIC && !(new &TTY_ATTRIB_ITALIC)) {
|
||||
put_ansi_attrib(tty, ANSI_ITALIC_OFF);
|
||||
}
|
||||
}
|
||||
|
||||
static void set_fg(struct s_tty *tty, const struct s_tty_colour *old, const struct s_tty_colour *new)
|
||||
static void set_fg(
|
||||
struct s_tty *tty, const struct s_tty_colour *old,
|
||||
const struct s_tty_colour *new)
|
||||
{
|
||||
if (compare_colour(old, new) == 0) {
|
||||
return;
|
||||
@@ -271,7 +277,9 @@ static void set_fg(struct s_tty *tty, const struct s_tty_colour *old, const stru
|
||||
}
|
||||
}
|
||||
|
||||
static void set_bg(struct s_tty *tty, const struct s_tty_colour *old, const struct s_tty_colour *new)
|
||||
static void set_bg(
|
||||
struct s_tty *tty, const struct s_tty_colour *old,
|
||||
const struct s_tty_colour *new)
|
||||
{
|
||||
if (compare_colour(old, new) == 0) {
|
||||
return;
|
||||
@@ -337,7 +345,7 @@ s_keycode s_tty_read_key(struct s_tty *tty)
|
||||
}
|
||||
|
||||
if (c == '\r' || c == '\n') {
|
||||
return S_KEY_RETURN;
|
||||
return S_KEY_RETURN;
|
||||
}
|
||||
|
||||
if (c == '\b' || c == 0x7F) {
|
||||
@@ -382,3 +390,72 @@ s_keycode s_tty_read_key(struct s_tty *tty)
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
void s_tty_move_cursor_x(struct s_tty *tty, enum s_tty_position_base base, int pos)
|
||||
{
|
||||
if (base == TTY_POS_CURSOR && pos < 0 && pos >= -4) {
|
||||
for (int i = 0; i > pos; i--) {
|
||||
fputc('\b', tty->t_out);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
if (base == TTY_POS_START) {
|
||||
if (pos == 0) {
|
||||
fputs("\033[G", tty->t_out);
|
||||
} else {
|
||||
fprintf(tty->t_out, "\033[%dG", pos + 1);
|
||||
}
|
||||
} else {
|
||||
if (pos > 1) {
|
||||
fprintf(tty->t_out, "\033[%dC", pos);
|
||||
} else if (pos == 1) {
|
||||
fputs("\033[C", tty->t_out);
|
||||
} else if (pos == -1) {
|
||||
fputs("\033[D", tty->t_out);
|
||||
} else if (pos < -1) {
|
||||
fprintf(tty->t_out, "\033[%dD", -pos);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void s_tty_move_cursor_y(struct s_tty *tty, enum s_tty_position_base base, int pos)
|
||||
{
|
||||
if (base == TTY_POS_START) {
|
||||
/* we don't need this functionality right now */
|
||||
abort();
|
||||
}
|
||||
|
||||
if (pos > 1) {
|
||||
fprintf(tty->t_out, "\033[%dB", pos);
|
||||
} else if (pos == 1) {
|
||||
fputs("\033[B", tty->t_out);
|
||||
} else if (pos == -1) {
|
||||
fputs("\033[A", tty->t_out);
|
||||
} else if (pos < -1) {
|
||||
fprintf(tty->t_out, "\033[%dA", -pos);
|
||||
}
|
||||
}
|
||||
|
||||
void s_tty_clear(struct s_tty *tty, enum s_tty_clear_mode mode)
|
||||
{
|
||||
const char *arg;
|
||||
if (mode & TTY_CLEAR_ALL) {
|
||||
arg = "2";
|
||||
} else if (mode & TTY_CLEAR_TO_CURSOR) {
|
||||
arg = "1";
|
||||
} else if (mode & TTY_CLEAR_FROM_CURSOR) {
|
||||
arg = "";
|
||||
} else {
|
||||
abort();
|
||||
}
|
||||
|
||||
if (mode & TTY_CLEAR_SCREEN) {
|
||||
fprintf(tty->t_out, "\033[%sJ", arg);
|
||||
} else if (mode & TTY_CLEAR_LINE) {
|
||||
fprintf(tty->t_out, "\033[%sK", arg);
|
||||
} else {
|
||||
abort();
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user