diff options
Diffstat (limited to 'tty.c')
| -rw-r--r-- | tty.c | 30 |
1 files changed, 29 insertions, 1 deletions
@@ -798,6 +798,7 @@ tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py, u_int ny, u_int px, u_int nx, u_int bg) { u_int yy; + char tmp[64]; log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py); @@ -807,6 +808,7 @@ tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py, /* If genuine BCE is available, can try escape sequences. */ if (!tty_fake_bce(tty, wp, bg)) { + /* Use ED if clearing off the bottom of the terminal. */ if (px == 0 && px + nx >= tty->sx && py + ny >= tty->sy && @@ -815,6 +817,32 @@ tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py, tty_putcode(tty, TTYC_ED); return; } + + /* + * On VT420 compatible terminals we can use DECFRA if the + * background colour isn't default (because it doesn't work + * after SGR 0). + */ + if (tty->term_type == TTY_VT420 && bg != 8) { + xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x", + py + 1, px + 1, py + ny, px + nx); + tty_puts(tty, tmp); + return; + } + + /* + * If margins are supported, can just scroll the area off to + * clear it. + */ + if (nx > 2 && + ny > 2 && + tty_use_margin(tty) && + tty_term_has(tty->term, TTYC_INDN)) { + tty_region(tty, py, py + ny - 1); + tty_margin(tty, px, px + nx - 1); + tty_putcode1(tty, TTYC_INDN, ny); + return; + } } /* Couldn't use an escape sequence, loop over the lines. */ @@ -1023,7 +1051,7 @@ tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx) void tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx) { - tty_attributes(tty, &grid_default_cell, ctx->wp); + tty_default_attributes(tty, ctx->wp, ctx->bg); tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy); |