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When creating a new session from the command-line where there is an external

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terminal, copy the termios(4) special characters and use them for new windows
created in the new session. Suggested by Theo.
This commit is contained in:
Nicholas Marriott
2009-08-13 19:03:59 +00:00
parent 2e3bb5a511
commit 52793e7a3f
7 changed files with 49 additions and 16 deletions
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25
cmd-new-session.c
View File

@@ -18,6 +18,12 @@
#include <sys/types.h> #include <sys/types.h>
#include <string.h>
#include <termios.h>
#define TTYDEFCHARS
#include <sys/ttydefaults.h>
#include "tmux.h" #include "tmux.h"
/* /*
@@ -109,6 +115,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
struct cmd_new_session_data *data = self->data; struct cmd_new_session_data *data = self->data;
struct session *s; struct session *s;
struct environ env; struct environ env;
struct termios tio;
const char *update; const char *update;
char *overrides, *cmd, *cwd, *cause; char *overrides, *cmd, *cwd, *cause;
int detached; int detached;
@@ -192,8 +199,24 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
if (ctx->cmdclient != NULL) if (ctx->cmdclient != NULL)
environ_update(update, &ctx->cmdclient->environ, &env); environ_update(update, &ctx->cmdclient->environ, &env);
/*
* Fill in the termios settings used for new windows in this session;
* if there is a command client, use the control characters from it.
*/
if (ctx->cmdclient != NULL && ctx->cmdclient->tty.fd != -1) {
if (tcgetattr(ctx->cmdclient->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
} else
memcpy(tio.c_cc, ttydefchars, sizeof tio.c_cc);
tio.c_iflag = TTYDEF_IFLAG;
tio.c_oflag = TTYDEF_OFLAG;
tio.c_lflag = TTYDEF_LFLAG;
tio.c_cflag = TTYDEF_CFLAG;
tio.c_ispeed = TTYDEF_SPEED;
tio.c_ospeed = TTYDEF_SPEED;
/* Create the new session. */ /* Create the new session. */
s = session_create(data->newname, cmd, cwd, &env, sx, sy, &cause); s = session_create(data->newname, cmd, cwd, &env, &tio, sx, sy, &cause);
if (s == NULL) { if (s == NULL) {
ctx->error(ctx, "create session failed: %s", cause); ctx->error(ctx, "create session failed: %s", cause);
xfree(cause); xfree(cause);

2
cmd-respawn-window.c
View File

@@ -75,7 +75,7 @@ cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx)
window_destroy_panes(w); window_destroy_panes(w);
TAILQ_INSERT_HEAD(&w->panes, wp, entry); TAILQ_INSERT_HEAD(&w->panes, wp, entry);
window_pane_resize(wp, w->sx, w->sy); window_pane_resize(wp, w->sx, w->sy);
if (window_pane_spawn(wp, data->arg, NULL, &env, &cause) != 0) { if (window_pane_spawn(wp, data->arg, NULL, &env, &s->tio, &cause) != 0) {
ctx->error(ctx, "respawn window failed: %s", cause); ctx->error(ctx, "respawn window failed: %s", cause);
xfree(cause); xfree(cause);
environ_free(&env); environ_free(&env);

2
cmd-split-window.c
View File

@@ -184,7 +184,7 @@ cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
type = LAYOUT_LEFTRIGHT; type = LAYOUT_LEFTRIGHT;
wp = window_add_pane(w, hlimit); wp = window_add_pane(w, hlimit);
if (window_pane_spawn(wp, cmd, cwd, &env, &cause) != 0) if (window_pane_spawn(wp, cmd, cwd, &env, &s->tio, &cause) != 0)
goto error; goto error;
if (layout_split_pane(w->active, type, size, wp) != 0) { if (layout_split_pane(w->active, type, size, wp) != 0) {
cause = xstrdup("pane too small"); cause = xstrdup("pane too small");

8
session.c
View File

@@ -113,7 +113,7 @@ session_find(const char *name)
/* Create a new session. */ /* Create a new session. */
struct session * struct session *
session_create(const char *name, const char *cmd, const char *cwd, session_create(const char *name, const char *cmd, const char *cwd,
struct environ *env, u_int sx, u_int sy, char **cause) struct environ *env, struct termios *tio, u_int sx, u_int sy, char **cause)
{ {
struct session *s; struct session *s;
u_int i; u_int i;
@@ -131,6 +131,7 @@ session_create(const char *name, const char *cmd, const char *cwd,
environ_init(&s->environ); environ_init(&s->environ);
if (env != NULL) if (env != NULL)
environ_copy(env, &s->environ); environ_copy(env, &s->environ);
memcpy(&s->tio, tio, sizeof s->tio);
s->sx = sx; s->sx = sx;
s->sy = sy; s->sy = sy;
@@ -200,7 +201,7 @@ session_index(struct session *s, u_int *i)
/* Create a new window on a session. */ /* Create a new window on a session. */
struct winlink * struct winlink *
session_new(struct session *s, session_new(struct session *s,
const char *name, const char *cmd, const char *cwd, int idx, char **cause) const char *name, const char *cmd, const char *cwd, int idx, char **cause)
{ {
struct window *w; struct window *w;
@@ -213,7 +214,8 @@ session_new(struct session *s,
server_fill_environ(s, &env); server_fill_environ(s, &env);
hlimit = options_get_number(&s->options, "history-limit"); hlimit = options_get_number(&s->options, "history-limit");
w = window_create(name, cmd, cwd, &env, s->sx, s->sy, hlimit, cause); w = window_create(
name, cmd, cwd, &env, &s->tio, s->sx, s->sy, hlimit, cause);
if (w == NULL) { if (w == NULL) {
environ_free(&env); environ_free(&env);
return (NULL); return (NULL);

4
tmux.1
View File

@@ -398,6 +398,10 @@ is given.
and and
.Ar command .Ar command
are the name of and command to execute in the initial window. are the name of and command to execute in the initial window.
.Pp
If run from a terminal, any
.Xr termios 4
special characters are saved and used for new windows in the new session.
.It Ic refresh-client Op Fl t Ar target-client .It Ic refresh-client Op Fl t Ar target-client
.D1 (alias: Ic refresh ) .D1 (alias: Ic refresh )
Refresh the current client if bound to a key, or a single client if one is given Refresh the current client if bound to a key, or a single client if one is given

13
tmux.h
View File

@@ -803,6 +803,8 @@ struct session {
#define SESSION_UNATTACHED 0x1 /* not attached to any clients */ #define SESSION_UNATTACHED 0x1 /* not attached to any clients */
int flags; int flags;
struct termios tio;
struct environ environ; struct environ environ;
}; };
ARRAY_DECL(sessions, struct session *); ARRAY_DECL(sessions, struct session *);
@@ -1574,7 +1576,8 @@ void winlink_stack_remove(struct winlink_stack *, struct winlink *);
int window_index(struct window *, u_int *); int window_index(struct window *, u_int *);
struct window *window_create1(u_int, u_int); struct window *window_create1(u_int, u_int);
struct window *window_create(const char *, const char *, const char *, struct window *window_create(const char *, const char *, const char *,
struct environ *, u_int, u_int, u_int, char **); struct environ *, struct termios *, u_int, u_int, u_int,
char **);
void window_destroy(struct window *); void window_destroy(struct window *);
void window_set_active_pane(struct window *, struct window_pane *); void window_set_active_pane(struct window *, struct window_pane *);
struct window_pane *window_add_pane(struct window *, u_int); struct window_pane *window_add_pane(struct window *, u_int);
@@ -1586,8 +1589,8 @@ u_int window_count_panes(struct window *);
void window_destroy_panes(struct window *); void window_destroy_panes(struct window *);
struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int); struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
void window_pane_destroy(struct window_pane *); void window_pane_destroy(struct window_pane *);
int window_pane_spawn(struct window_pane *, int window_pane_spawn(struct window_pane *, const char *,
const char *, const char *, struct environ *, char **); const char *, struct environ *, struct termios *, char **);
void window_pane_resize(struct window_pane *, u_int, u_int); void window_pane_resize(struct window_pane *, u_int, u_int);
int window_pane_set_mode( int window_pane_set_mode(
struct window_pane *, const struct window_mode *); struct window_pane *, const struct window_mode *);
@@ -1666,8 +1669,8 @@ void session_alert_cancel(struct session *, struct winlink *);
int session_alert_has(struct session *, struct winlink *, int); int session_alert_has(struct session *, struct winlink *, int);
int session_alert_has_window(struct session *, struct window *, int); int session_alert_has_window(struct session *, struct window *, int);
struct session *session_find(const char *); struct session *session_find(const char *);
struct session *session_create(const char *, const char *, struct session *session_create(const char *, const char *, const char *,
const char *, struct environ *, u_int, u_int, char **); struct environ *, struct termios *, u_int, u_int, char **);
void session_destroy(struct session *); void session_destroy(struct session *);
int session_index(struct session *, u_int *); int session_index(struct session *, u_int *);
struct winlink *session_new(struct session *, struct winlink *session_new(struct session *,

11
window.c
View File

@@ -269,7 +269,8 @@ window_create1(u_int sx, u_int sy)
struct window * struct window *
window_create(const char *name, const char *cmd, const char *cwd, window_create(const char *name, const char *cmd, const char *cwd,
struct environ *env, u_int sx, u_int sy, u_int hlimit, char **cause) struct environ *env, struct termios *tio, u_int sx, u_int sy, u_int hlimit,
char **cause)
{ {
struct window *w; struct window *w;
struct window_pane *wp; struct window_pane *wp;
@@ -277,7 +278,7 @@ window_create(const char *name, const char *cmd, const char *cwd,
w = window_create1(sx, sy); w = window_create1(sx, sy);
wp = window_add_pane(w, hlimit); wp = window_add_pane(w, hlimit);
layout_init(w); layout_init(w);
if (window_pane_spawn(wp, cmd, cwd, env, cause) != 0) { if (window_pane_spawn(wp, cmd, cwd, env, tio, cause) != 0) {
window_destroy(w); window_destroy(w);
return (NULL); return (NULL);
} }
@@ -470,8 +471,8 @@ window_pane_destroy(struct window_pane *wp)
} }
int int
window_pane_spawn(struct window_pane *wp, window_pane_spawn(struct window_pane *wp, const char *cmd,
const char *cmd, const char *cwd, struct environ *env, char **cause) const char *cwd, struct environ *env, struct termios *tio, char **cause)
{ {
struct winsize ws; struct winsize ws;
int mode; int mode;
@@ -505,7 +506,7 @@ window_pane_spawn(struct window_pane *wp,
tv.tv_usec = NAME_INTERVAL * 1000L; tv.tv_usec = NAME_INTERVAL * 1000L;
timeradd(&wp->window->name_timer, &tv, &wp->window->name_timer); timeradd(&wp->window->name_timer, &tv, &wp->window->name_timer);
switch (wp->pid = forkpty(&wp->fd, wp->tty, NULL, &ws)) { switch (wp->pid = forkpty(&wp->fd, wp->tty, tio, &ws)) {
case -1: case -1:
wp->fd = -1; wp->fd = -1;
xasprintf(cause, "%s: %s", cmd, strerror(errno)); xasprintf(cause, "%s: %s", cmd, strerror(errno));