Calculate the space available for the prompt buffer and the cursor position

correctly, and make it work when the screen is not wide enough.

Noticed by Kalle Olavi Niemitalo.
This commit is contained in:
Nicholas Marriott 2009-07-26 21:13:47 +00:00
parent 6b3b852ebc
commit 55d8c01c33

View File

@ -645,7 +645,7 @@ status_prompt_redraw(struct client *c)
struct screen_write_ctx ctx;
struct session *s = c->session;
struct screen old_status;
size_t i, size, left, len, offset, n;
size_t i, size, left, len, off, n;
char ch;
struct grid_cell gc;
@ -653,7 +653,7 @@ status_prompt_redraw(struct client *c)
return (0);
memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->tty.sx, 1, 0);
offset = 0;
off = 0;
len = strlen(c->prompt_string);
if (len > c->tty.sx)
@ -674,7 +674,7 @@ status_prompt_redraw(struct client *c)
if (c->prompt_index < left)
size = strlen(c->prompt_buffer);
else {
offset = c->prompt_index - left - 1;
off = c->prompt_index - left + 1;
if (c->prompt_index == strlen(c->prompt_buffer))
left--;
size = left;
@ -687,27 +687,27 @@ status_prompt_redraw(struct client *c)
screen_write_putc(&ctx, &gc, '*');
} else {
screen_write_puts(&ctx, &gc,
"%.*s", (int) left, c->prompt_buffer + offset);
"%.*s", (int) left, c->prompt_buffer + off);
}
for (i = len + size; i < c->tty.sx; i++)
screen_write_putc(&ctx, &gc, ' ');
}
/* Draw a fake cursor. */
screen_write_cursormove(&ctx, len + c->prompt_index - offset, 0);
if (c->prompt_index == strlen(c->prompt_buffer))
ch = ' ';
else {
if (c->prompt_flags & PROMPT_HIDDEN)
ch = '*';
else
ch = c->prompt_buffer[c->prompt_index];
/* Draw a fake cursor. */
screen_write_cursormove(&ctx, len + c->prompt_index - off, 0);
if (c->prompt_index == strlen(c->prompt_buffer))
ch = ' ';
else {
if (c->prompt_flags & PROMPT_HIDDEN)
ch = '*';
else
ch = c->prompt_buffer[c->prompt_index];
}
if (ch == '\0')
ch = ' ';
gc.attr ^= GRID_ATTR_REVERSE;
screen_write_putc(&ctx, &gc, ch);
}
if (ch == '\0')
ch = ' ';
gc.attr ^= GRID_ATTR_REVERSE;
screen_write_putc(&ctx, &gc, ch);
screen_write_stop(&ctx);