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Add "grouped sessions" which have independent name, options, current window and

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so on but where the linked windows are synchronized (ie creating, killing
windows and so on are mirrored between the sessions). A grouped session may be
created by passing -t to new-session.

Had this around for a while, tested by a couple of people.
This commit is contained in:
Nicholas Marriott
2009-10-10 10:02:48 +00:00
parent b7d031cc92
commit 9dd72b9583
19 changed files with 392 additions and 59 deletions
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36
cmd-new-session.c
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@ -34,6 +34,7 @@ void cmd_new_session_init(struct cmd *, int);
size_t cmd_new_session_print(struct cmd *, char *, size_t);
struct cmd_new_session_data {
char *target;
char *newname;
char *winname;
char *cmd;
@ -42,7 +43,7 @@ struct cmd_new_session_data {
const struct cmd_entry cmd_new_session_entry = {
"new-session", "new",
"[-d] [-n window-name] [-s session-name] [command]",
"[-d] [-n window-name] [-s session-name] [-t target-session] [command]",
CMD_STARTSERVER|CMD_CANTNEST|CMD_SENDENVIRON, 0,
cmd_new_session_init,
cmd_new_session_parse,
@ -58,6 +59,7 @@ cmd_new_session_init(struct cmd *self, unused int arg)
self->data = data = xmalloc(sizeof *data);
data->flag_detached = 0;
data->target = NULL;
data->newname = NULL;
data->winname = NULL;
data->cmd = NULL;
@ -72,7 +74,7 @@ cmd_new_session_parse(struct cmd *self, int argc, char **argv, char **cause)
self->entry->init(self, KEYC_NONE);
data = self->data;
while ((opt = getopt(argc, argv, "ds:n:")) != -1) {
while ((opt = getopt(argc, argv, "ds:t:n:")) != -1) {
switch (opt) {
case 'd':
data->flag_detached = 1;
@ -81,6 +83,10 @@ cmd_new_session_parse(struct cmd *self, int argc, char **argv, char **cause)
if (data->newname == NULL)
data->newname = xstrdup(optarg);
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
case 'n':
if (data->winname == NULL)
data->winname = xstrdup(optarg);
@ -94,6 +100,9 @@ cmd_new_session_parse(struct cmd *self, int argc, char **argv, char **cause)
if (argc != 0 && argc != 1)
goto usage;
if (data->target != NULL && (argc == 1 || data->winname != NULL))
goto usage;
if (argc == 1)
data->cmd = xstrdup(argv[0]);
@ -110,7 +119,7 @@ int
cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_new_session_data *data = self->data;
struct session *s;
struct session *s, *groupwith;
struct window *w;
struct environ env;
struct termios tio, *tiop;
@ -124,6 +133,11 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
return (-1);
}
groupwith = NULL;
if (data->target != NULL &&
(groupwith = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
/*
* There are three cases:
*
@ -204,7 +218,9 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
sy = 1;
/* Figure out the command for the new window. */
if (data->cmd != NULL)
if (data->target != NULL)
cmd = NULL;
else if (data->cmd != NULL)
cmd = data->cmd;
else
cmd = options_get_string(&global_s_options, "default-command");
@ -227,7 +243,7 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
environ_free(&env);
/* Set the initial window name if one given. */
if (data->winname != NULL) {
if (cmd != NULL && data->winname != NULL) {
w = s->curw->window;
xfree(w->name);
@ -236,6 +252,16 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
options_set_number(&w->options, "automatic-rename", 0);
}
/*
* If a target session is given, this is to be part of a session group,
* so add it to the group and synchronize.
*/
if (groupwith != NULL) {
session_group_add(groupwith, s);
session_group_synchronize_to(s);
session_select(s, RB_ROOT(&s->windows)->idx);
}
/*
* Set the client to the new session. If a command client exists, it is
* taking this session and needs to get MSG_READY and stay around.