scrcpy/app/src/util/term.c

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2021-11-11 22:22:39 +08:00
#include "term.h"
#include <assert.h>
#ifdef _WIN32
# include <windows.h>
#else
# include <unistd.h>
# include <sys/ioctl.h>
#endif
bool
sc_term_get_size(unsigned *rows, unsigned *cols) {
#ifdef _WIN32
CONSOLE_SCREEN_BUFFER_INFO csbi;
bool ok =
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
if (!ok) {
return false;
}
if (rows) {
assert(csbi.srWindow.Bottom >= csbi.srWindow.Top);
*rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
}
if (cols) {
assert(csbi.srWindow.Right >= csbi.srWindow.Left);
*cols = csbi.srWindow.Right - csbi.srWindow.Left + 1;
}
return true;
#else
struct winsize ws;
int r = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
if (r == -1) {
return false;
}
if (rows) {
*rows = ws.ws_row;
}
if (cols) {
*cols = ws.ws_col;
}
return true;
#endif
}