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// A small utility to print the resulting key codes from pressing a key. Servers the same function
// as hitting ^V in bash, but I prefer the way key_reader works.
//
// Type ^C to exit the program.
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termcap.h>
#include <termios.h>
#include "common.h"
#include "fallback.h" // IWYU pragma: keep
#include "input_common.h"
int writestr(char *str) {
write_ignore(1, str, strlen(str));
return 0;
}
int main(int argc, char **argv) {
set_main_thread();
setup_fork_guards();
setlocale(LC_ALL, "");
if (argc == 2) {
static char term_buffer[2048];
char *termtype = getenv("TERM");
char *tbuff = new char[9999];
char *res;
tgetent(term_buffer, termtype);
res = tgetstr(argv[1], &tbuff);
if (res != 0) {
while (*res != 0) {
printf("%d ", *res);
res++;
}
printf("\n");
} else {
printf("Undefined sequence\n");
}
} else {
char scratch[1024];
unsigned int c;
struct termios modes, // so we can change the modes
savemodes; // so we can reset the modes when we're done
input_common_init(0);
tcgetattr(0, &modes); // get the current terminal modes
savemodes = modes; // save a copy so we can reset them
modes.c_lflag &= ~ICANON; // turn off canonical mode
modes.c_lflag &= ~ECHO; // turn off echo mode
modes.c_cc[VMIN] = 1;
modes.c_cc[VTIME] = 0;
tcsetattr(0, TCSANOW, &modes); // set the new modes
while (1) {
if ((c = input_common_readch(0)) == EOF) break;
if ((c > 31) && (c != 127))
sprintf(scratch, "dec: %u hex: %x char: %c\n", c, c, c);
else
sprintf(scratch, "dec: %u hex: %x\n", c, c);
writestr(scratch);
}
tcsetattr(0, TCSANOW, &savemodes); // reset the terminal to the saved mode
input_common_destroy();
}
return 0;
}
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