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Fix rendering glitch in cons25 emulation.

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Because we now have cons25-style linewrapping, we must also use cons25-
style reverse linewrapping. This means that a ^H on column 0 will move
the cursor one line up.

Also fix a small regression: if the user invokes a RIS (Reset to Initial
State), we must show the cursor again.

Spotted by:	Paul B. Mahol <onemda gmail com>
This commit is contained in:
ed 2009-01-04 22:24:47 +00:00
parent 1cfb2a06d0
commit 635e416e5a
1 changed files with 12 additions and 0 deletions
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12
sys/dev/syscons/teken/teken_subr.h
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@ -198,11 +198,22 @@ static void
teken_subr_backspace(teken_t *t)
{
#ifdef TEKEN_CONS25
if (t->t_cursor.tp_col == 0) {
if (t->t_cursor.tp_row == t->t_originreg.ts_begin)
return;
t->t_cursor.tp_row--;
t->t_cursor.tp_col = t->t_winsize.tp_col - 1;
} else {
t->t_cursor.tp_col--;
}
#else /* !TEKEN_CONS25 */
if (t->t_cursor.tp_col == 0)
return;
t->t_cursor.tp_col--;
t->t_stateflags &= ~TS_WRAPPED;
#endif /* TEKEN_CONS25 */
teken_funcs_cursor(t);
}
@ -862,6 +873,7 @@ teken_subr_reset_to_initial_state(teken_t *t)
teken_subr_do_reset(t);
teken_subr_erase_display(t, 2);
teken_funcs_param(t, TP_SHOWCURSOR, 1);
teken_funcs_cursor(t);
}