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FreeBSD's console wraps lines at $COLUMNS - 1 rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1) and does not appear to support changing this behaviour, or any of the obvious possibilities (turning off right margin wrapping, insert mode). This is irritating, most notably because it impossible to write to the very bottom-right of the screen without scrolling. To work around this, if built on FreeBSD and run with a "cons" $TERM, the bottom-right cell on the screen is omitted.

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This commit is contained in:
Nicholas Marriott
2009-02-11 23:16:45 +00:00
parent 4ddac7f0b3
commit 959eeef505
5 changed files with 51 additions and 7 deletions
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22
tty-term.c
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@ -1,4 +1,4 @@
/* $Id: tty-term.c,v 1.12 2009-02-11 19:06:58 nicm Exp $ */
/* $Id: tty-term.c,v 1.13 2009-02-11 23:16:44 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@ -148,6 +148,26 @@ tty_term_quirks(struct tty_term *term)
term->codes[TTYC_ICH1].value.string = xstrdup("\033[@");
}
}
#ifdef __FreeBSD__
if (strncmp(term->name, "cons", 4) == 0) {
/*
* FreeBSD's console wraps lines at $COLUMNS - 1 rather than
* $COLUMNS (the cursor can never be beyond $COLUMNS - 1) and
* does not appear to support changing this behaviour, or any
* of the obvious possibilities (turning off right margin
* wrapping, insert mode).
*
* This is irritating, most notably because it is impossible to
* write to the very bottom-right of the screen without
* scrolling.
*
* Flag the terminal here and apply some workarounds in other
* places to do the best possible.
*/
term->flags |= TERM_EARLYWRAP;
}
#endif
}
struct tty_term *