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Implement ECH (erase character, CSI X). Reported by Christian Neukirchen.

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Nicholas Marriott
2013-01-15 23:18:55 +00:00
parent bc2e4a36df
commit 44f8e1caff
5 changed files with 50 additions and 0 deletions
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24
screen-write.c
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@ -649,6 +649,30 @@ screen_write_deletecharacter(struct screen_write_ctx *ctx, u_int nx)
tty_write(tty_cmd_deletecharacter, &ttyctx);
}
/* Clear nx characters. */
void
screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx)
{
struct screen *s = ctx->s;
struct tty_ctx ttyctx;
if (nx == 0)
nx = 1;
if (nx > screen_size_x(s) - s->cx)
nx = screen_size_x(s) - s->cx;
if (nx == 0)
return;
screen_write_initctx(ctx, &ttyctx, 0);
if (s->cx <= screen_size_x(s) - 1)
grid_view_clear(s->grid, s->cx, s->cy, nx, 1);
ttyctx.num = nx;
tty_write(tty_cmd_clearcharacter, &ttyctx);
}
/* Insert ny lines. */
void
screen_write_insertline(struct screen_write_ctx *ctx, u_int ny)