diff options
Diffstat (limited to 'winsup')
| -rw-r--r-- | winsup/cygwin/fhandler_tty.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc index e02a8f43b..f9c7c3ade 100644 --- a/winsup/cygwin/fhandler_tty.cc +++ b/winsup/cygwin/fhandler_tty.cc @@ -1255,6 +1255,28 @@ fhandler_pty_slave::push_to_pcon_screenbuffer (const char *ptr, size_t len) memmove (p0, p0+4, nlen - (p0+4 - buf)); nlen -= 4; } + + /* If the ESC sequence ESC[?3h or ESC[?3l which clears console screen + buffer is pushed, set need_redraw_screen to trigger redraw screen. */ + p0 = buf; + while ((p0 = (char *) memmem (p0, nlen - (p0 - buf), "\033[?", 3))) + { + p0 += 3; + while (p0 < buf + nlen && *p0 != 'h' && *p0 != 'l') + { + int arg = 0; + while (p0 < buf + nlen && isdigit (*p0)) + arg = arg * 10 + (*p0 ++) - '0'; + if (arg == 3) + get_ttyp ()->need_redraw_screen = true; + if (p0 < buf + nlen && *p0 == ';') + p0 ++; + } + p0 ++; + if (p0 >= buf + nlen) + break; + } + DWORD dwMode, flags; flags = ENABLE_VIRTUAL_TERMINAL_PROCESSING; GetConsoleMode (get_output_handle (), &dwMode); |