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From: Corinna Vinschen <corinna@sourceware.org> To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin] Cygwin: console: Unify workaround code for CSI3J and CSI?1049h/l. Date: Wed, 26 Feb 2020 20:22:00 -0000 [thread overview] Message-ID: <20200226202227.25131.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3b42762e0b02ad53cc01dd752b94a044b7a42ebf commit 3b42762e0b02ad53cc01dd752b94a044b7a42ebf Author: Takashi Yano <takashi.yano@nifty.ne.jp> Date: Thu Feb 27 00:33:00 2020 +0900 Cygwin: console: Unify workaround code for CSI3J and CSI?1049h/l. - This patch unifies workaround code for CSI3J and CSI?1049h/l into the code handling other escape sequences in xterm mode. Diff: --- winsup/cygwin/fhandler_console.cc | 43 ++++++++++++++++++++------------------- 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc index 3f756c5..fbeccff 100644 --- a/winsup/cygwin/fhandler_console.cc +++ b/winsup/cygwin/fhandler_console.cc @@ -1786,24 +1786,6 @@ static const wchar_t __vt100_conv[31] = { inline bool fhandler_console::write_console (PWCHAR buf, DWORD len, DWORD& done) { - bool need_fix_tab_position = false; - /* Check if screen will be alternated. */ - if (wincap.has_con_24bit_colors () && !con_is_legacy - && memmem (buf, len*sizeof (WCHAR), L"\033[?1049", 7*sizeof (WCHAR))) - need_fix_tab_position = true; - /* Workaround for broken CSI3J (ESC[3J) support in xterm compatible mode. */ - if (wincap.has_con_24bit_colors () && !con_is_legacy && - wincap.has_con_broken_csi3j ()) - { - WCHAR *p = buf; - while ((p = (WCHAR *) memmem (p, (len - (p - buf))*sizeof (WCHAR), - L"\033[3J", 4*sizeof (WCHAR)))) - { - memmove (p, p+4, (len - (p+4 - buf))*sizeof (WCHAR)); - len -= 4; - } - } - if (con.iso_2022_G1 ? con.vt100_graphics_mode_G1 : con.vt100_graphics_mode_G0) @@ -1822,9 +1804,6 @@ fhandler_console::write_console (PWCHAR buf, DWORD len, DWORD& done) len -= done; buf += done; } - /* Call fix_tab_position() if screen has been alternated. */ - if (need_fix_tab_position) - fix_tab_position (); return true; } @@ -2089,6 +2068,28 @@ fhandler_console::char_command (char c) WriteConsoleA (get_output_handle (), wpbuf, wpixput, &wn, 0); } break; + case 'J': /* ED */ + wpbuf_put (c); + /* Ignore CSI3J in Win10 1809 because it is broken. */ + if (con.args[0] != 3 || !wincap.has_con_broken_csi3j ()) + WriteConsoleA (get_output_handle (), wpbuf, wpixput, &wn, 0); + break; + case 'h': /* DECSET */ + case 'l': /* DECRST */ + wpbuf_put (c); + /* Just send the sequence */ + WriteConsoleA (get_output_handle (), wpbuf, wpixput, &wn, 0); + if (con.saw_question_mark) + { + bool need_fix_tab_position = false; + for (int i = 0; i < con.nargs; i++) + if (con.args[i] == 1049) + need_fix_tab_position = true; + /* Call fix_tab_position() if screen has been alternated. */ + if (need_fix_tab_position) + fix_tab_position (); + } + break; default: /* Other escape sequences */ wpbuf_put (c);
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