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There is no need to clear every line entirely before drawing to it, this

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means moving the cursor and messes up wrapping. Better to just clear the
sections that aren't written over. GitHub issue 2537.
This commit is contained in:
nicm
2021-01-18 10:27:54 +00:00
parent 71c590a37f
commit 91d112bf12
4 changed files with 26 additions and 21 deletions
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13
tty.c
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@ -1531,20 +1531,9 @@ tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
void
tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
{
if (ctx->bigger) {
tty_draw_pane(tty, ctx, ctx->ocy);
return;
}
tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
if (tty_term_has(tty->term, TTYC_ECH) &&
!tty_fake_bce(tty, &ctx->defaults, 8))
tty_putcode1(tty, TTYC_ECH, ctx->num);
else
tty_repeat_space(tty, ctx->num);
tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
}
void