https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=33a21904a702191cebf0e81b4deba2dfa10a406c
commit 33a21904a702191cebf0e81b4deba2dfa10a406c Author: Takashi Yano <takashi.y...@nifty.ne.jp> Date: Mon Aug 12 22:47:42 2019 +0900 Cygwin: console: Add workaround for windows xterm compatible mode bug. - The horizontal tab positions are broken after resizing console window. This seems to be a bug of xterm compatible mode of windows console. This workaround fixes this problem. Diff: --- winsup/cygwin/fhandler_console.cc | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc index df28c7f..b46a4d5 100644 --- a/winsup/cygwin/fhandler_console.cc +++ b/winsup/cygwin/fhandler_console.cc @@ -327,6 +327,25 @@ fhandler_console::send_winch_maybe () { con.scroll_region.Top = 0; con.scroll_region.Bottom = -1; + if (wincap.has_con_24bit_colors ()) + { + /* Workaround for a bug of windows xterm compatible mode. */ + /* The horizontal tab positions are broken after resize. */ + DWORD dwLen; + CONSOLE_SCREEN_BUFFER_INFO sbi; + GetConsoleScreenBufferInfo (get_output_handle (), &sbi); + /* Clear all horizontal tabs */ + WriteConsole (get_output_handle (), "\033[3g", 4, &dwLen, 0); + /* Set horizontal tabs */ + for (int col=8; col<con.dwWinSize.X; col+=8) + { + char buf[32]; + __small_sprintf (buf, "\033[%d;%dH\033H", 1, col+1); + WriteConsole (get_output_handle (), buf, strlen (buf), &dwLen, 0); + } + /* Restore cursor position */ + SetConsoleCursorPosition (get_output_handle (), sbi.dwCursorPosition); + } get_ttyp ()->kill_pgrp (SIGWINCH); return true; }