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If default-terminal is set to "screen" or "screen-*", emulate screen's

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historical (incorrect) behaviour for SGR 3 and send smso
(standout). Previously, we would send sitm (italics) if the terminal
outside had it and smso otherwise. This was acceptably until recently
because xterm's terminfo entry lacked sitm, so most users got smso.

People who want italics should set default-terminal to the forthcoming
"tmux" entry (and be prepared to deal with it being missing on older
hosts).

As a side-effect this changes default-terminal to be a server rather
than a session option.

suggested by and ok naddy
This commit is contained in:
nicm 2015-04-29 15:59:08 +00:00
parent e36fab2f70
commit 7382ba82c5
4 changed files with 37 additions and 24 deletions
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10
options-table.c
View File

@ -61,6 +61,11 @@ const struct options_table_entry server_options_table[] = {
.default_num = 20
},
{ .name = "default-terminal",
.type = OPTIONS_TABLE_STRING,
.default_str = "screen"
},
{ .name = "escape-time",
.type = OPTIONS_TABLE_NUMBER,
.minimum = 0,
@ -143,11 +148,6 @@ const struct options_table_entry session_options_table[] = {
.default_str = _PATH_BSHELL
},
{ .name = "default-terminal",
.type = OPTIONS_TABLE_STRING,
.default_str = "screen"
},
{ .name = "destroy-unattached",
.type = OPTIONS_TABLE_FLAG,
.default_num = 0

2
server-fn.c
View File

@ -36,7 +36,7 @@ server_fill_environ(struct session *s, struct environ *env)
long pid;
if (s != NULL) {
term = options_get_string(&s->options, "default-terminal");
term = options_get_string(&global_options, "default-terminal");
environ_set(env, "TERM", term);
idx = s->id;

25
tmux.1
View File

@ -2266,6 +2266,19 @@ Available server options are:
Set the number of buffers; as new buffers are added to the top of the stack,
old ones are removed from the bottom if necessary to maintain this maximum
length.
.It Ic default-terminal Ar terminal
Set the default terminal for new windows created in this session - the
default value of the
.Ev TERM
environment variable.
For
.Nm
to work correctly, this
.Em must
be set to
.Ql screen ,
.Ql tmux
or a derivative of them.
.It Ic escape-time Ar time
Set the time in milliseconds for which
.Nm
@ -2405,18 +2418,6 @@ or
This option should be configured when
.Nm
is used as a login shell.
.It Ic default-terminal Ar terminal
Set the default terminal for new windows created in this session - the
default value of the
.Ev TERM
environment variable.
For
.Nm
to work correctly, this
.Em must
be set to
.Ql screen
or a derivative of it.
.It Xo Ic destroy-unattached
.Op Ic on | off
.Xc

24
tty.c
View File

@ -34,6 +34,7 @@
void tty_read_callback(struct bufferevent *, void *);
void tty_error_callback(struct bufferevent *, short, void *);
void tty_set_italics(struct tty *);
int tty_try_256(struct tty *, u_char, const char *);
void tty_colours(struct tty *, const struct grid_cell *);
@ -456,6 +457,21 @@ tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
tty->cx += width;
}
void
tty_set_italics(struct tty *tty)
{
const char *s;
if (tty_term_has(tty->term, TTYC_SITM)) {
s = options_get_string(&global_options, "default-terminal");
if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
tty_putcode(tty, TTYC_SITM);
return;
}
}
tty_putcode(tty, TTYC_SMSO);
}
void
tty_set_title(struct tty *tty, const char *title)
{
@ -1396,12 +1412,8 @@ tty_attributes(struct tty *tty, const struct grid_cell *gc,
tty_putcode(tty, TTYC_BOLD);
if (changed & GRID_ATTR_DIM)
tty_putcode(tty, TTYC_DIM);
if (changed & GRID_ATTR_ITALICS) {
if (tty_term_has(tty->term, TTYC_SITM))
tty_putcode(tty, TTYC_SITM);
else
tty_putcode(tty, TTYC_SMSO);
}
if (changed & GRID_ATTR_ITALICS)
tty_set_italics(tty);
if (changed & GRID_ATTR_UNDERSCORE)
tty_putcode(tty, TTYC_SMUL);
if (changed & GRID_ATTR_BLINK)