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Sync OpenBSD patchset 183:

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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:
Tiago Cunha 2009-07-28 22:32:15 +00:00
parent 2dda197980
commit 2aa4d47312
1 changed files with 19 additions and 19 deletions
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14
status.c
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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.101 2009-07-22 17:31:20 tcunha Exp $ */ /* $Id: status.c,v 1.102 2009-07-28 22:32:15 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -645,7 +645,7 @@ status_prompt_redraw(struct client *c)
struct screen_write_ctx ctx; struct screen_write_ctx ctx;
struct session *s = c->session; struct session *s = c->session;
struct screen old_status; struct screen old_status;
size_t i, size, left, len, offset, n; size_t i, size, left, len, off, n;
char ch; char ch;
struct grid_cell gc; struct grid_cell gc;
@ -653,7 +653,7 @@ status_prompt_redraw(struct client *c)
return (0); return (0);
memcpy(&old_status, &c->status, sizeof old_status); memcpy(&old_status, &c->status, sizeof old_status);
screen_init(&c->status, c->tty.sx, 1, 0); screen_init(&c->status, c->tty.sx, 1, 0);
offset = 0; off = 0;
len = strlen(c->prompt_string); len = strlen(c->prompt_string);
if (len > c->tty.sx) if (len > c->tty.sx)
@ -674,7 +674,7 @@ status_prompt_redraw(struct client *c)
if (c->prompt_index < left) if (c->prompt_index < left)
size = strlen(c->prompt_buffer); size = strlen(c->prompt_buffer);
else { else {
offset = c->prompt_index - left - 1; off = c->prompt_index - left + 1;
if (c->prompt_index == strlen(c->prompt_buffer)) if (c->prompt_index == strlen(c->prompt_buffer))
left--; left--;
size = left; size = left;
@ -687,15 +687,14 @@ status_prompt_redraw(struct client *c)
screen_write_putc(&ctx, &gc, '*'); screen_write_putc(&ctx, &gc, '*');
} else { } else {
screen_write_puts(&ctx, &gc, 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++) for (i = len + size; i < c->tty.sx; i++)
screen_write_putc(&ctx, &gc, ' '); screen_write_putc(&ctx, &gc, ' ');
}
/* Draw a fake cursor. */ /* Draw a fake cursor. */
screen_write_cursormove(&ctx, len + c->prompt_index - offset, 0); screen_write_cursormove(&ctx, len + c->prompt_index - off, 0);
if (c->prompt_index == strlen(c->prompt_buffer)) if (c->prompt_index == strlen(c->prompt_buffer))
ch = ' '; ch = ' ';
else { else {
@ -708,6 +707,7 @@ status_prompt_redraw(struct client *c)
ch = ' '; ch = ' ';
gc.attr ^= GRID_ATTR_REVERSE; gc.attr ^= GRID_ATTR_REVERSE;
screen_write_putc(&ctx, &gc, ch); screen_write_putc(&ctx, &gc, ch);
}
screen_write_stop(&ctx); screen_write_stop(&ctx);