Function MonitorTtySize

cli/command/container/tty.go:80–106

MonitorTtySize updates the container tty size when the terminal tty changes size

(ctx context.Context, cli command.Cli, id string, isExec bool)

// MonitorTtySize updates the container tty size when the terminal tty changes size
func MonitorTtySize(ctx context.Context, cli command.Cli, id string, isExec bool) error {
	initTtySize(ctx, cli, id, isExec, resizeTty)
	if runtime.GOOS == "windows" {
		go func() {
			prevH, prevW := cli.Out().GetTtySize()
			for {
				time.Sleep(time.Millisecond * 250)
				h, w := cli.Out().GetTtySize()

				if prevW != w || prevH != h {
					_ = resizeTty(ctx, cli, id, isExec)
				}
				prevH = h
				prevW = w
			}
		}()
	} else {
		sigchan := make(chan os.Signal, 1)
		gosignal.Notify(sigchan, signal.SIGWINCH)
		go func() {
			for range sigchan {
				_ = resizeTty(ctx, cli, id, isExec)
			}
		}()
	}
	return nil
}