#ifndef FOOTER_H
#define FOOTER_H
#include <stdio.h>
#include <unistd.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <rlib.h>
#include <pthread.h>
#include <stdarg.h>
static pthread_mutex_t footer_mutex;
static nsecs_t footer_time_start = 0;
char footer_prefix[1024] = {0};
char footer_suffix[1024] = {0};
static void footer_get_terminal_size(int *rows, int *cols) {
struct winsize w;
// Use ioctl to get the terminal size
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == -1) {
perror("ioctl");
} else {
*rows = w.ws_row;
*cols = w.ws_col;
}
}
void footer_get_cursor_position(int *rows, int *cols) {
// Save the current terminal settings
struct termios term, term_saved;
tcgetattr(STDIN_FILENO, &term);
term_saved = term;
// Put terminal in raw mode (disable canonical input and echoing)
term.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &term);
// Request cursor position with ANSI code: ESC [ 6 n
printf("\033[6n");
fflush(stdout);
// Read the response: ESC [ rows ; cols R
char buf[32];
long unsigned int i = 0;
char c = 0;
while (c != 'R' && i < sizeof(buf) - 1) {
__attribute_maybe_unused__ ssize_t bytes_read = read(STDIN_FILENO, &c, 1);
buf[i++] = c;
}
buf[i] = '\0';
// Parse the response
if (sscanf(buf, "\033[%d;%dR", rows, cols) != 2) {
*rows = *cols = -1; // In case of parsing error
}
// Restore the original terminal settings
tcsetattr(STDIN_FILENO, TCSANOW, &term_saved);
}
void _footer_set(unsigned int row, unsigned int col_count, char * text,unsigned int original_row,unsigned int original_col) {
char content[2048] = {0};
char line[1024];
memset(line,' ',sizeof(line) - 1);
char cursor_set_string[2048] = {0};
sprintf(cursor_set_string,"\e[%d;%dH",row,0);
sprintf(content,"%s%s%s\033[%u;%uH",cursor_set_string,text,line,original_row,original_col);
content[col_count + strlen(cursor_set_string) + 1] = 0;
printf(content);
}
void footer_printf(const char *format, ...) {
if(footer_time_start == 0)
{
// Quick, for the threads come a default value
footer_time_start = 1;
pthread_mutex_init(&footer_mutex,NULL);
footer_time_start = nsecs();
}
pthread_mutex_lock(&footer_mutex);
nsecs_t time_elapsed = nsecs() - footer_time_start;
int original_row = 0;
int original_col = 0;
int row_count = 0;
int col_count = 0;
footer_get_cursor_position(&original_row, &original_col);
footer_get_terminal_size(&row_count, &col_count);
char text[1024] = {0};
char full_text[4096] = {0};
va_list args;
va_start(args, format);
vsprintf(text, format, args);
va_end(args);
sprintf(full_text,"\r%s - %s%s%s", format_time(time_elapsed), footer_prefix, text, footer_suffix);
_footer_set(row_count,col_count,full_text,original_row,original_col);
pthread_mutex_unlock(&footer_mutex);
}
#endif