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