1#include "terminalsize.h"
 2#include "common/io.h"
 3
 4#include <sys/ioctl.h>
 5#include <fcntl.h>
 6#include <unistd.h>
 7
 8#ifdef __sun
 9    #include <sys/termios.h>
10#endif
11
12bool ffDetectTerminalSize(FFTerminalSizeResult* result, bool fastOnly) {
13    *result = (FFTerminalSizeResult){};
14
15    struct winsize winsize = {};
16    static int ttyfd = STDOUT_FILENO;
17    if (!isatty(ttyfd)) {
18        ttyfd = open("/dev/tty", O_RDWR | O_NOCTTY | O_CLOEXEC);
19    }
20
21    ioctl(ttyfd, TIOCGWINSZ, &winsize);
22
23    if (!fastOnly) {
24        if (winsize.ws_row == 0 || winsize.ws_col == 0) {
25            ffGetTerminalResponse("\e[18t", 2, "\e[8;%hu;%hut", &winsize.ws_row, &winsize.ws_col);
26        }
27
28        if (winsize.ws_ypixel == 0 || winsize.ws_xpixel == 0) {
29            ffGetTerminalResponse("\e[14t", 2, "\e[4;%hu;%hut", &winsize.ws_ypixel, &winsize.ws_xpixel);
30        }
31    }
32
33    result->rows = winsize.ws_row;
34    result->columns = winsize.ws_col;
35    result->width = winsize.ws_xpixel;
36    result->height = winsize.ws_ypixel;
37
38    return result->rows > 0 && result->columns > 0;
39}