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Cygwin: console: Fix behaviour of "ESC 8" after reset.

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- This patch matches the behaviour of "ESC 8" (DECRC) to the real
  xterm after full reset (RIS), soft reset (DECSTR) and "CSI 3 J".
This commit is contained in:
Takashi Yano 2020-03-09 10:38:36 +09:00 committed by Corinna Vinschen
parent bf0cb64d90
commit 3e7fff6b49
1 changed files with 7 additions and 0 deletions
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7
winsup/cygwin/fhandler_console.cc
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@ -2124,6 +2124,11 @@ fhandler_console::char_command (char c)
break;
case 'J': /* ED */
wpbuf.put (c);
if (con.args[0] == 3 && con.savey >= 0)
{
con.fillin (get_output_handle ());
con.savey -= con.b.srWindow.Top;
}
if (con.args[0] == 3 && wincap.has_con_broken_csi3j ())
{ /* Workaround for broken CSI3J in Win10 1809 */
CONSOLE_SCREEN_BUFFER_INFO sbi;
@ -2168,6 +2173,7 @@ fhandler_console::char_command (char c)
{
con.scroll_region.Top = 0;
con.scroll_region.Bottom = -1;
con.savex = con.savey = -1;
}
wpbuf.put (c);
/* Just send the sequence */
@ -3070,6 +3076,7 @@ fhandler_console::write (const void *vsrc, size_t len)
{
con.scroll_region.Top = 0;
con.scroll_region.Bottom = -1;
con.savex = con.savey = -1;
}
/* ESC sequences below (e.g. OSC, etc) are left to xterm
emulation in xterm compatible mode, therefore, are not