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Cygwin: console: Revise the code to fix tab position. 

- This patch fixes the issue that the cursor position is broken if
  window size is changed while executing vim, less etc.
This commit is contained in:
Takashi Yano 2020-03-02 10:12:54 +09:00 committed by Corinna Vinschen
parent 1b7fcf22be
commit 7f5051d766
1 changed files with 3 additions and 12 deletions
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15
winsup/cygwin/fhandler_console.cc
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@ -417,19 +417,10 @@ fhandler_console::set_cursor_maybe ()
void
fhandler_console::fix_tab_position (void)
{
char buf[2048] = {0,};
/* Save cursor position */
__small_sprintf (buf+strlen (buf), "\0337");
/* Clear all horizontal tabs */
__small_sprintf (buf+strlen (buf), "\033[3g");
/* Set horizontal tabs */
for (int col=8; col<con.dwWinSize.X; col+=8)
__small_sprintf (buf+strlen (buf), "\033[%d;%dH\033H", 1, col+1);
/* Restore cursor position */
__small_sprintf (buf+strlen (buf), "\0338");
/* Re-setting ENABLE_VIRTUAL_TERMINAL_PROCESSING
fixes the tab position. */
request_xterm_mode_output (false);
request_xterm_mode_output (true);
DWORD dwLen;
WriteConsole (get_output_handle (), buf, strlen (buf), &dwLen, 0);
}
bool