Sync OpenBSD patchset 317:

Permit embedded colour and attributes in status-left and status-right using new
#[] special characters, for example #[fg=red,bg=blue,blink].
pull/1/head
Tiago Cunha 2009-09-07 23:37:48 +00:00
parent ec195a4e15
commit 5edc465802
4 changed files with 219 additions and 10 deletions

View File

@ -1,4 +1,4 @@
/* $Id: screen-write.c,v 1.70 2009-08-21 21:13:20 tcunha Exp $ */
/* $Id: screen-write.c,v 1.71 2009-09-07 23:37:48 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -52,6 +52,41 @@ screen_write_putc(
screen_write_cell(ctx, gc, NULL);
}
/* Calculate string length, with embedded formatting. */
size_t printflike2
screen_write_cstrlen(int utf8flag, const char *fmt, ...)
{
va_list ap;
char *msg, *msg2, *ptr, *ptr2;
size_t size;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
msg2 = xmalloc(strlen(msg) + 1);
ptr = msg;
ptr2 = msg2;
while (*ptr != '\0') {
if (ptr[0] == '#' && ptr[1] == '[') {
while (*ptr != ']' && *ptr != '\0')
ptr++;
if (*ptr == ']')
ptr++;
continue;
}
*ptr2++ = *ptr++;
}
*ptr2 = '\0';
size = screen_write_strlen(utf8flag, "%s", msg2);
xfree(msg);
xfree(msg2);
return (size);
}
/* Calculate string length. */
size_t printflike2
screen_write_strlen(int utf8flag, const char *fmt, ...)
@ -177,6 +212,143 @@ screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
xfree(msg);
}
/* Write string, similar to nputs, but with embedded formatting (#[]). */
void printflike5
screen_write_cnputs(struct screen_write_ctx *ctx,
ssize_t maxlen, struct grid_cell *gc, int utf8flag, const char *fmt, ...)
{
struct grid_cell lgc;
va_list ap;
char *msg;
u_char *ptr, *last, utf8buf[4];
size_t left, size = 0;
int width;
va_start(ap, fmt);
xvasprintf(&msg, fmt, ap);
va_end(ap);
memcpy(&lgc, gc, sizeof lgc);
ptr = msg;
while (*ptr != '\0') {
if (ptr[0] == '#' && ptr[1] == '[') {
ptr += 2;
last = ptr + strcspn(ptr, "]");
if (*last == '\0') {
/* No ]. Not much point in doing anything. */
break;
}
*last = '\0';
screen_write_parsestyle(gc, &lgc, ptr);
ptr = last + 1;
continue;
}
if (utf8flag && *ptr > 0x7f) {
memset(utf8buf, 0xff, sizeof utf8buf);
left = strlen(ptr);
if (*ptr >= 0xc2 && *ptr <= 0xdf && left >= 2) {
memcpy(utf8buf, ptr, 2);
ptr += 2;
} else if (*ptr >= 0xe0 && *ptr <= 0xef && left >= 3) {
memcpy(utf8buf, ptr, 3);
ptr += 3;
} else if (*ptr >= 0xf0 && *ptr <= 0xf4 && left >= 4) {
memcpy(utf8buf, ptr, 4);
ptr += 4;
} else {
*utf8buf = *ptr;
ptr++;
}
width = utf8_width(utf8buf);
if (maxlen > 0 && size + width > (size_t) maxlen) {
while (size < (size_t) maxlen) {
screen_write_putc(ctx, gc, ' ');
size++;
}
break;
}
size += width;
lgc.flags |= GRID_FLAG_UTF8;
screen_write_cell(ctx, &lgc, utf8buf);
lgc.flags &= ~GRID_FLAG_UTF8;
} else {
if (maxlen > 0 && size + 1 > (size_t) maxlen)
break;
size++;
screen_write_putc(ctx, &lgc, *ptr);
ptr++;
}
}
xfree(msg);
}
/* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". */
void
screen_write_parsestyle(
struct grid_cell *defgc, struct grid_cell *gc, const char *in)
{
const char delimiters[] = " ,";
char tmp[32];
int val;
size_t end;
u_char fg, bg, attr;
if (*in == '\0')
return;
if (strchr(delimiters, in[strlen(in) - 1]) != NULL)
return;
fg = gc->fg;
bg = gc->bg;
attr = 0;
do {
end = strcspn(in, delimiters);
if (end > (sizeof tmp) - 1)
return;
memcpy(tmp, in, end);
tmp[end] = '\0';
if (strcasecmp(tmp, "default") == 0) {
fg = defgc->fg;
bg = defgc->bg;
attr = defgc->attr;
} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
if ((val = colour_fromstring(tmp + 3)) == -1)
return;
if (*in == 'f' || *in == 'F') {
if (val != 8)
fg = val;
else
fg = defgc->fg;
} else if (*in == 'b' || *in == 'B') {
if (val != 8)
bg = val;
else
bg = defgc->bg;
} else
return;
} else {
if ((val = attributes_fromstring(tmp)) == -1)
return;
attr |= val;
}
in += end + strspn(in + end, delimiters);
} while (*in != '\0');
gc->fg = fg;
gc->bg = bg;
gc->attr = attr;
}
/* Copy from another screen. */
void
screen_write_copy(struct screen_write_ctx *ctx,

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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.115 2009-09-02 22:45:17 tcunha Exp $ */
/* $Id: status.c,v 1.116 2009-09-07 23:37:48 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -107,14 +107,14 @@ status_redraw(struct client *c)
left = status_replace(s, options_get_string(
&s->options, "status-left"), c->status_timer.tv_sec);
llen = options_get_number(&s->options, "status-left-length");
llen2 = screen_write_strlen(utf8flag, "%s", left);
llen2 = screen_write_cstrlen(utf8flag, "%s", left);
if (llen2 < llen)
llen = llen2;
right = status_replace(s, options_get_string(
&s->options, "status-right"), c->status_timer.tv_sec);
rlen = options_get_number(&s->options, "status-right-length");
rlen2 = screen_write_strlen(utf8flag, "%s", right);
rlen2 = screen_write_cstrlen(utf8flag, "%s", right);
if (rlen2 < rlen)
rlen = rlen2;
@ -192,7 +192,7 @@ draw:
screen_write_start(&ctx, NULL, &c->status);
if (llen != 0) {
screen_write_cursormove(&ctx, 0, yy);
screen_write_nputs(&ctx, llen, &sl_stdgc, utf8flag, "%s", left);
screen_write_cnputs(&ctx, llen, &sl_stdgc, utf8flag, "%s", left);
screen_write_putc(&ctx, &stdgc, ' ');
if (larrow)
screen_write_putc(&ctx, &stdgc, ' ');
@ -266,7 +266,7 @@ draw:
if (rlen != 0) {
screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, yy);
screen_write_putc(&ctx, &stdgc, ' ');
screen_write_nputs(&ctx, rlen, &sr_stdgc, utf8flag, "%s", right);
screen_write_cnputs(&ctx, rlen, &sr_stdgc, utf8flag, "%s", right);
}
/* Draw the arrows. */
@ -400,6 +400,20 @@ status_replace(struct session *s, const char *fmt, time_t t)
len--;
}
break;
case '[':
/*
* Embedded style, handled at display time.
* Leave present and skip input until ].
*/
*optr++ = '#';
iptr--; /* include [ */
while (*iptr != ']' && *iptr != '\0') {
if (optr >= out + (sizeof out) - 1)
break;
*optr++ = *iptr++;
}
break;
case '#':
*optr++ = '#';
break;

24
tmux.1
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@ -1,4 +1,4 @@
.\" $Id: tmux.1,v 1.164 2009-09-03 21:02:55 tcunha Exp $
.\" $Id: tmux.1,v 1.165 2009-09-07 23:37:48 tcunha Exp $
.\"
.\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
.\"
@ -14,7 +14,7 @@
.\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
.\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: September 2 2009 $
.Dd $Mdocdate: September 7 2009 $
.Dt TMUX 1
.Os
.Sh NAME
@ -1316,10 +1316,11 @@ will be passed through
before being used.
By default, the session name is shown.
.Ar string
may contain any of the following special character pairs:
may contain any of the following special character sequences:
.Bl -column "Character pair" "Replaced with" -offset indent
.It Sy "Character pair" Ta Sy "Replaced with"
.It Li "#(command)" Ta "First line of command's output"
.It Li "#[attributes]" Ta "Colour or attribute change"
.It Li "#H" Ta "Hostname of local host"
.It Li "#I" Ta "Current window index"
.It Li "#P" Ta "Current pane index"
@ -1329,6 +1330,23 @@ may contain any of the following special character pairs:
.It Li "##" Ta "A literal" Ql #
.El
.Pp
The #(command) form executes
.Ql command
as a shell command and inserts the first line of its output.
#[attributes] allows a comma-separated list of attributes to be specified,
these may be
.Ql fg=colour
to set the foreground colour,
.Ql bg=colour
to set the background colour, or one of the attributes described under the
.Ic message-attr
option.
Examples are:
.Bd -literal -offset indent
#(sysctl vm.loadavg)
#[fg=yellow,bold]#(apm -l)%%#[default] [#S]
.Ed
.Pp
Where appropriate, these may be prefixed with a number to specify the maximum
length, for example
.Ql #24T .

7
tmux.h
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@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.436 2009-09-03 21:02:55 tcunha Exp $ */
/* $Id: tmux.h,v 1.437 2009-09-07 23:37:48 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -1531,6 +1531,9 @@ char *grid_view_string_cells(struct grid *, u_int, u_int, u_int);
void screen_write_start(
struct screen_write_ctx *, struct window_pane *, struct screen *);
void screen_write_stop(struct screen_write_ctx *);
size_t printflike2 screen_write_cstrlen(int, const char *, ...);
void printflike5 screen_write_cnputs(struct screen_write_ctx *,
ssize_t, struct grid_cell *, int, const char *, ...);
size_t printflike2 screen_write_strlen(int, const char *, ...);
void printflike3 screen_write_puts(struct screen_write_ctx *,
struct grid_cell *, const char *, ...);
@ -1538,6 +1541,8 @@ void printflike5 screen_write_nputs(struct screen_write_ctx *,
ssize_t, struct grid_cell *, int, const char *, ...);
void screen_write_vnputs(struct screen_write_ctx *,
ssize_t, struct grid_cell *, int, const char *, va_list);
void screen_write_parsestyle(
struct grid_cell *, struct grid_cell *, const char *);
void screen_write_putc(
struct screen_write_ctx *, struct grid_cell *, u_char);
void screen_write_copy(struct screen_write_ctx *,