term: extend tty interface with more features
This commit is contained in:
570
term/sys/windows/tty.c
Normal file
570
term/sys/windows/tty.c
Normal file
@@ -0,0 +1,570 @@
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#include <blue/term/tty.h>
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#include "../../tty.h"
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#include <stdio.h>
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#include <string.h>
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#include <Windows.h>
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#include <io.h>
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#include <stdbool.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_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_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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B_TTY_INIT = 0x01u,
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B_TTY_INTERACTIVE = 0x02u,
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};
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struct b_tty {
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HANDLE t_in, t_out;
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DWORD t_canon_mode_in, t_canon_mode_out;
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enum s_key_code t_repeat_key;
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unsigned int t_repeat_count;
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enum tty_flags t_flags;
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struct b_tty_vmode t_vmode;
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struct tty_format_buf t_format_buf;
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};
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static struct b_tty std = {0};
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static struct b_tty err = {0};
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static WORD ansi_colour16_fg[] = {
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[B_TTY_COLOUR16_BLACK] = 0,
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[B_TTY_COLOUR16_RED] = FOREGROUND_RED,
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[B_TTY_COLOUR16_GREEN] = FOREGROUND_GREEN,
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[B_TTY_COLOUR16_YELLOW] = FOREGROUND_RED | FOREGROUND_GREEN,
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[B_TTY_COLOUR16_BLUE] = FOREGROUND_BLUE,
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[B_TTY_COLOUR16_MAGENTA] = FOREGROUND_RED | FOREGROUND_BLUE,
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[B_TTY_COLOUR16_CYAN] = FOREGROUND_GREEN | FOREGROUND_BLUE,
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[B_TTY_COLOUR16_WHITE] = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE,
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[B_TTY_COLOUR16_BRIGHT_BLACK] = FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_RED] = FOREGROUND_RED | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_GREEN] = FOREGROUND_GREEN | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_YELLOW] = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_BLUE] = FOREGROUND_BLUE | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_MAGENTA] = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_CYAN] = FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_WHITE] = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
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};
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static WORD ansi_colour16_bg[] = {
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[B_TTY_COLOUR16_BLACK] = 0,
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[B_TTY_COLOUR16_RED] = BACKGROUND_RED,
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[B_TTY_COLOUR16_GREEN] = BACKGROUND_GREEN,
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[B_TTY_COLOUR16_YELLOW] = BACKGROUND_RED | BACKGROUND_GREEN,
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[B_TTY_COLOUR16_BLUE] = BACKGROUND_BLUE,
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[B_TTY_COLOUR16_MAGENTA] = BACKGROUND_RED | BACKGROUND_BLUE,
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[B_TTY_COLOUR16_CYAN] = BACKGROUND_GREEN | BACKGROUND_BLUE,
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[B_TTY_COLOUR16_WHITE] = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE,
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[B_TTY_COLOUR16_BRIGHT_BLACK] = BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_RED] = BACKGROUND_RED | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_GREEN] = BACKGROUND_GREEN | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_YELLOW] = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_BLUE] = BACKGROUND_BLUE | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_MAGENTA] = BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_CYAN] = BACKGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_INTENSITY,
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[B_TTY_COLOUR16_BRIGHT_WHITE] = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_INTENSITY,
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};
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static void init_tty(struct b_tty *tty, FILE *in, FILE *out)
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{
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HANDLE in_handle = INVALID_HANDLE_VALUE;
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HANDLE out_handle = INVALID_HANDLE_VALUE;
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if (in) {
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in_handle = (HANDLE)_get_osfhandle(fileno(in));
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}
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if (out) {
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out_handle = (HANDLE)_get_osfhandle(fileno(out));
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}
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tty->t_in = in_handle;
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tty->t_out = out_handle;
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tty->t_flags |= B_TTY_INIT;
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CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
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DWORD mode = 0;
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if (in && GetConsoleScreenBufferInfo(in_handle, &csbi)) {
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GetConsoleMode(in_handle, &mode);
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tty->t_canon_mode_in = mode;
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tty->t_flags |= B_TTY_INTERACTIVE;
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}
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if (out && GetConsoleScreenBufferInfo(out_handle, &csbi)) {
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GetConsoleMode(out_handle, &mode);
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tty->t_canon_mode_out = mode;
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tty->t_flags |= B_TTY_INTERACTIVE;
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}
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}
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struct b_tty *z__b_tty_get_std(void)
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{
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if (!(std.t_flags & B_TTY_INIT)) {
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init_tty(&std, stdin, stdout);
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}
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return &std;
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}
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struct b_tty *z__b_tty_get_err(void)
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{
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if (!(err.t_flags & B_TTY_INIT)) {
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init_tty(&err, NULL, stderr);
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}
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return &err;
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}
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struct tty_format_buf *z__b_tty_get_format_buf(struct b_tty *tty)
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{
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return &tty->t_format_buf;
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}
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void z__b_tty_putc(struct b_tty* tty, char c)
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{
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DWORD x;
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WriteConsoleA(tty->t_out, &c, 1, &x, NULL);
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}
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bool b_tty_is_interactive(const struct b_tty *tty)
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{
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return (tty->t_flags & B_TTY_INTERACTIVE) == B_TTY_INTERACTIVE;
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}
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static void tty_set_raw(struct b_tty *tty)
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{
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DWORD mode = tty->t_canon_mode_in;
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mode &= ~(ENABLE_ECHO_INPUT | ENABLE_INSERT_MODE | ENABLE_LINE_INPUT | ENABLE_QUICK_EDIT_MODE | ENABLE_WINDOW_INPUT);
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mode |= (ENABLE_PROCESSED_INPUT);
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SetConsoleMode(tty->t_in, mode);
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mode = tty->t_canon_mode_out;
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//mode &= ~(ENABLE_PROCESSED_OUTPUT);
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SetConsoleMode(tty->t_out, mode);
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}
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static void tty_set_canon(struct b_tty *tty)
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{
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SetConsoleMode(tty->t_in, tty->t_canon_mode_in);
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SetConsoleMode(tty->t_out, tty->t_canon_mode_out);
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}
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void b_tty_set_mode(struct b_tty* tty, enum b_tty_mode mode)
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{
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switch (mode) {
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case B_TTY_CANONICAL:
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tty_set_canon(tty);
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break;
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case B_TTY_RAW:
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tty_set_raw(tty);
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break;
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default:
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break;
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}
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}
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void b_tty_reset_vmode(struct b_tty *tty)
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{
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if (tty->t_vmode.v_fg.c_mode == B_TTY_COLOUR_NONE
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&& tty->t_vmode.v_bg.c_mode == B_TTY_COLOUR_NONE
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&& tty->t_vmode.v_attrib == B_TTY_ATTRIB_NORMAL) {
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return;
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}
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WORD attrib = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
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SetConsoleTextAttribute(tty->t_out, attrib);
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memset(&tty->t_vmode, 0x0, sizeof tty->t_vmode);
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tty->t_vmode.v_fg.c_mode = B_TTY_COLOUR_NONE;
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tty->t_vmode.v_bg.c_mode = B_TTY_COLOUR_NONE;
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tty->t_vmode.v_attrib = B_TTY_ATTRIB_NORMAL;
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}
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static int compare_colour(
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const struct b_tty_colour *a, const struct b_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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}
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switch (a->c_mode) {
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case B_TTY_COLOUR_16:
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if (a->c_16.value != b->c_16.value) {
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return -1;
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}
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break;
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case B_TTY_COLOUR_256:
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if (a->c_256.value != b->c_256.value) {
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return -1;
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}
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break;
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case B_TTY_COLOUR_TRUE:
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if (a->c_true.r != b->c_true.r) {
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return -1;
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}
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if (a->c_true.g != b->c_true.g) {
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return -1;
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}
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if (a->c_true.b != b->c_true.b) {
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return -1;
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int compare_vmode(const struct b_tty_vmode *a, const struct b_tty_vmode *b)
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{
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if (a->v_attrib != b->v_attrib) {
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return -1;
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}
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if (compare_colour(&a->v_fg, &b->v_fg) != 0) {
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return -1;
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}
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if (compare_colour(&a->v_bg, &b->v_bg) != 0) {
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return -1;
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}
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return 0;
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}
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static void set_attrib(WORD *attrp, enum b_tty_attrib old, enum b_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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WORD attrib = *attrp;
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/* Bold ON */
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if (!(old & B_TTY_ATTRIB_BOLD) && new & B_TTY_ATTRIB_BOLD) {
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attrib |= FOREGROUND_INTENSITY;
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}
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/* Bold OFF */
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if (old & B_TTY_ATTRIB_BOLD && !(new & B_TTY_ATTRIB_BOLD)) {
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attrib &= ~FOREGROUND_INTENSITY;
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}
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/* Underline ON */
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if (!(old & B_TTY_ATTRIB_UNDERLINE) && new & B_TTY_ATTRIB_UNDERLINE) {
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attrib |= COMMON_LVB_UNDERSCORE;
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}
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/* Underline OFF */
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if (old & B_TTY_ATTRIB_UNDERLINE && !(new & B_TTY_ATTRIB_UNDERLINE)) {
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attrib &= ~COMMON_LVB_UNDERSCORE;
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}
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/* Italic ON */
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if (!(old & B_TTY_ATTRIB_ITALIC) && new & B_TTY_ATTRIB_ITALIC) {
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/* not supported */
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}
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/* Italic OFF */
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if (old & B_TTY_ATTRIB_ITALIC && !(new & B_TTY_ATTRIB_ITALIC)) {
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/* not supported */
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}
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*attrp = attrib;
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}
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static void set_fg(
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WORD *attrp, const struct b_tty_colour *old,
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const struct b_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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}
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WORD attrib = *attrp;
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attrib &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
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switch (new->c_mode) {
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case B_TTY_COLOUR_16:
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attrib |= ansi_colour16_fg[new->c_16.value];
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break;
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default:
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attrib |= FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
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break;
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}
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*attrp = attrib;
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}
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static void set_bg(
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WORD *attrp, const struct b_tty_colour *old,
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const struct b_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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}
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WORD attrib = *attrp;
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attrib &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_INTENSITY);
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switch (new->c_mode) {
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case B_TTY_COLOUR_16:
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attrib |= ansi_colour16_bg[new->c_16.value];
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break;
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default:
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attrib |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
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break;
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}
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}
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void b_tty_set_vmode(struct b_tty *tty, const struct b_tty_vmode *vmode)
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{
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if (compare_vmode(&tty->t_vmode, vmode) == 0) {
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return;
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}
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WORD attrib = 0;
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CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
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GetConsoleScreenBufferInfo(tty->t_out, &csbi);
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attrib = csbi.wAttributes;
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set_attrib(&attrib, tty->t_vmode.v_attrib, vmode->v_attrib);
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set_fg(&attrib, &tty->t_vmode.v_fg, &vmode->v_fg);
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set_bg(&attrib, &tty->t_vmode.v_bg, &vmode->v_bg);
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SetConsoleTextAttribute(tty->t_out, attrib);
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memcpy(&tty->t_vmode, vmode, sizeof *vmode);
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}
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enum b_status b_tty_get_dimensions(struct b_tty* tty, unsigned int* w, unsigned int* h)
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{
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if (!(tty->t_flags & B_TTY_INTERACTIVE)) {
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return B_ERR_NOT_SUPPORTED;
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}
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CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
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GetConsoleScreenBufferInfo(tty->t_out, &csbi);
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if (w) {
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*w = csbi.srWindow.Right - csbi.srWindow.Left;
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}
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if (h) {
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*h = csbi.srWindow.Bottom - csbi.srWindow.Top;
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}
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return B_SUCCESS;
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}
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enum b_status b_tty_get_cursor_position(struct b_tty *tty, unsigned int *x, unsigned int *y)
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{
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if (!(tty->t_flags & B_TTY_INTERACTIVE)) {
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return B_ERR_NOT_SUPPORTED;
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}
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CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
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GetConsoleScreenBufferInfo(tty->t_out, &csbi);
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if (x) {
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*x = csbi.dwCursorPosition.X;
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}
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if (y) {
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*y = csbi.dwCursorPosition.Y;
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}
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return B_SUCCESS;
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}
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b_keycode b_tty_read_key(struct b_tty *tty)
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{
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if (tty->t_repeat_count > 0) {
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tty->t_repeat_count--;
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return tty->t_repeat_key;
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}
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INPUT_RECORD d;
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HANDLE in = tty->t_in;
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BOOL status = TRUE;
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CONSOLE_READCONSOLE_CONTROL ctrl = {0};
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DWORD nr_read = 0;
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while (1) {
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status = ReadConsoleInputA(in, &d, 1, &nr_read);
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if (status == FALSE) {
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return B_KEY_EOF;
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}
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if (d.EventType != KEY_EVENT) {
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continue;
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}
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if (!d.Event.KeyEvent.bKeyDown) {
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continue;
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}
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b_keycode key = 0;
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switch (d.Event.KeyEvent.wVirtualKeyCode) {
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case VK_CONTROL:
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case VK_RCONTROL:
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case VK_SHIFT:
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case VK_RSHIFT:
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case VK_MENU:
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continue;
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case VK_UP:
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key = B_KEY_ARROW_UP;
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break;
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case VK_DOWN:
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key = B_KEY_ARROW_DOWN;
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break;
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case VK_LEFT:
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key = B_KEY_ARROW_LEFT;
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break;
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case VK_RIGHT:
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key = B_KEY_ARROW_RIGHT;
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break;
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case VK_BACK:
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key = B_KEY_BACKSPACE;
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break;
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case VK_RETURN:
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key = B_KEY_RETURN;
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break;
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default:
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if (d.Event.KeyEvent.uChar.UnicodeChar == 0) {
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continue;
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}
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|
||||
key = d.Event.KeyEvent.uChar.AsciiChar;
|
||||
break;
|
||||
}
|
||||
|
||||
if (d.Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED) {
|
||||
key = B_TTY_CTRL_KEY('a' + key - 1);
|
||||
}
|
||||
|
||||
if (d.Event.KeyEvent.wRepeatCount > 1) {
|
||||
tty->t_repeat_count = d.Event.KeyEvent.wRepeatCount - 1;
|
||||
tty->t_repeat_key = key;
|
||||
}
|
||||
|
||||
return key;
|
||||
}
|
||||
|
||||
return B_KEY_EOF;
|
||||
}
|
||||
|
||||
void b_tty_move_cursor_x(
|
||||
struct b_tty* tty, enum b_tty_position_base base, int pos)
|
||||
{
|
||||
CONSOLE_SCREEN_BUFFER_INFO console = {0};
|
||||
GetConsoleScreenBufferInfo(tty->t_out, &console);
|
||||
COORD cursor_pos;
|
||||
cursor_pos.Y = console.dwCursorPosition.Y;
|
||||
|
||||
switch (base) {
|
||||
case B_TTY_POS_CURSOR:
|
||||
cursor_pos.X = console.dwCursorPosition.X + pos;
|
||||
break;
|
||||
case B_TTY_POS_START:
|
||||
cursor_pos.X = pos;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
SetConsoleCursorPosition(tty->t_out, cursor_pos);
|
||||
}
|
||||
|
||||
void b_tty_move_cursor_y(struct b_tty *tty, enum b_tty_position_base base, int pos)
|
||||
{
|
||||
CONSOLE_SCREEN_BUFFER_INFO console = {0};
|
||||
GetConsoleScreenBufferInfo(tty->t_out, &console);
|
||||
COORD cursor_pos;
|
||||
cursor_pos.X = console.dwCursorPosition.X;
|
||||
|
||||
switch (base) {
|
||||
case B_TTY_POS_CURSOR:
|
||||
cursor_pos.Y = console.dwCursorPosition.Y + pos;
|
||||
break;
|
||||
case B_TTY_POS_START:
|
||||
cursor_pos.Y = pos;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
SetConsoleCursorPosition(tty->t_out, cursor_pos);
|
||||
}
|
||||
|
||||
void b_tty_clear(struct b_tty *tty, enum b_tty_clear_mode mode)
|
||||
{
|
||||
CONSOLE_SCREEN_BUFFER_INFO console = {0};
|
||||
GetConsoleScreenBufferInfo(tty->t_out, &console);
|
||||
|
||||
WCHAR fill = L' ';
|
||||
DWORD length = 0;
|
||||
COORD start;
|
||||
|
||||
DWORD all_length = 0, line_length = 0;
|
||||
|
||||
if (mode & B_TTY_CLEAR_ALL) {
|
||||
line_length = console.dwSize.X;
|
||||
all_length = line_length * console.dwSize.Y;
|
||||
} else if (mode & B_TTY_CLEAR_FROM_CURSOR) {
|
||||
line_length = console.dwSize.X - console.dwCursorPosition.X + 1;
|
||||
all_length = line_length + ((console.dwSize.Y - console.dwCursorPosition.Y) * console.dwSize.X);
|
||||
} else if (mode & B_TTY_CLEAR_TO_CURSOR) {
|
||||
line_length = console.dwCursorPosition.X;
|
||||
all_length = line_length
|
||||
+ ((console.dwCursorPosition.Y - 1) * console.dwSize.X);
|
||||
} else {
|
||||
abort();
|
||||
}
|
||||
|
||||
if (mode & B_TTY_CLEAR_SCREEN) {
|
||||
length = all_length;
|
||||
|
||||
if ((mode & B_TTY_CLEAR_ALL) || (mode & B_TTY_CLEAR_TO_CURSOR)) {
|
||||
start.X = 0;
|
||||
start.Y = 0;
|
||||
} else if (mode & B_TTY_CLEAR_FROM_CURSOR) {
|
||||
start = console.dwCursorPosition;
|
||||
}
|
||||
} else if (mode & B_TTY_CLEAR_LINE) {
|
||||
length = line_length;
|
||||
|
||||
if ((mode & B_TTY_CLEAR_ALL) || (mode & B_TTY_CLEAR_TO_CURSOR)) {
|
||||
start.X = 0;
|
||||
start.Y = console.dwCursorPosition.Y;
|
||||
} else if (mode & B_TTY_CLEAR_FROM_CURSOR) {
|
||||
start = console.dwCursorPosition;
|
||||
}
|
||||
} else {
|
||||
abort();
|
||||
}
|
||||
|
||||
DWORD nr_written = 0;
|
||||
FillConsoleOutputCharacterW(tty->t_out, fill, length, start, &nr_written);
|
||||
}
|
||||
Reference in New Issue
Block a user