enum cmd_retval cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq) { struct args *args = self->args; struct session *s; struct winlink *wl; struct client *c; const char *cmd, *template; char *cause, *cp; int idx, last, detached, cwd, fd = -1; struct format_tree *ft; if (args_has(args, 'a')) { wl = cmd_find_window(cmdq, args_get(args, 't'), &s); if (wl == NULL) return (CMD_RETURN_ERROR); idx = wl->idx + 1; /* Find the next free index. */ for (last = idx; last < INT_MAX; last++) { if (winlink_find_by_index(&s->windows, last) == NULL) break; } if (last == INT_MAX) { cmdq_error(cmdq, "no free window indexes"); return (CMD_RETURN_ERROR); } /* Move everything from last - 1 to idx up a bit. */ for (; last > idx; last--) { wl = winlink_find_by_index(&s->windows, last - 1); server_link_window(s, wl, s, last, 0, 0, NULL); server_unlink_window(s, wl); } } else { if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2) return (CMD_RETURN_ERROR); } detached = args_has(args, 'd'); wl = NULL; if (idx != -1) wl = winlink_find_by_index(&s->windows, idx); if (wl != NULL && args_has(args, 'k')) { /* * Can't use session_detach as it will destroy session if this * makes it empty. */ notify_window_unlinked(s, wl->window); wl->flags &= ~WINLINK_ALERTFLAGS; winlink_stack_remove(&s->lastw, wl); winlink_remove(&s->windows, wl); /* Force select/redraw if current. */ if (wl == s->curw) { detached = 0; s->curw = NULL; } } if (args->argc == 0) cmd = options_get_string(&s->options, "default-command"); else cmd = args->argv[0]; if (args_has(args, 'c')) { ft = format_create(); if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) format_client(ft, c); format_session(ft, s); format_winlink(ft, s, s->curw); format_window_pane(ft, s->curw->window->active); cp = format_expand(ft, args_get(args, 'c')); format_free(ft); fd = open(cp, O_RDONLY|O_DIRECTORY); free(cp); if (fd == -1) { cmdq_error(cmdq, "bad working directory: %s", strerror(errno)); return (CMD_RETURN_ERROR); } cwd = fd; } else if (cmdq->client != NULL && cmdq->client->session == NULL) cwd = cmdq->client->cwd; else cwd = s->cwd; if (idx == -1) idx = -1 - options_get_number(&s->options, "base-index"); wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause); if (wl == NULL) { cmdq_error(cmdq, "create window failed: %s", cause); free(cause); goto error; } if (!detached) { session_select(s, wl->idx); server_redraw_session_group(s); } else server_status_session_group(s); if (args_has(args, 'P')) { if ((template = args_get(args, 'F')) == NULL)
enum cmd_retval cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag, const char *cflag) { struct session *s; struct client *c; struct winlink *wl = NULL; struct window *w = NULL; struct window_pane *wp = NULL; const char *update; char *cause; u_int i; int fd; struct format_tree *ft; char *cp; if (RB_EMPTY(&sessions)) { cmdq_error(cmdq, "no sessions"); return (CMD_RETURN_ERROR); } if (tflag == NULL) { if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL) return (CMD_RETURN_ERROR); } else if (tflag[strcspn(tflag, ":.")] != '\0') { if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL) return (CMD_RETURN_ERROR); } else { if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL) return (CMD_RETURN_ERROR); w = cmd_lookup_windowid(tflag); if (w == NULL && (wp = cmd_lookup_paneid(tflag)) != NULL) w = wp->window; if (w != NULL) wl = winlink_find_by_window(&s->windows, w); } if (cmdq->client == NULL) return (CMD_RETURN_NORMAL); if (wl != NULL) { if (wp != NULL) window_set_active_pane(wp->window, wp); session_set_current(s, wl); } if (cmdq->client->session != NULL) { if (dflag) { /* * Can't use server_write_session in case attaching to * the same session as currently attached to. */ for (i = 0; i < ARRAY_LENGTH(&clients); i++) { c = ARRAY_ITEM(&clients, i); if (c == NULL || c->session != s) continue; if (c == cmdq->client) continue; server_write_client(c, MSG_DETACH, c->session->name, strlen(c->session->name) + 1); } } if (cflag != NULL) { ft = format_create(); if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) format_client(ft, c); format_session(ft, s); format_winlink(ft, s, s->curw); format_window_pane(ft, s->curw->window->active); cp = format_expand(ft, cflag); format_free(ft); fd = open(cp, O_RDONLY|O_DIRECTORY); free(cp); if (fd == -1) { cmdq_error(cmdq, "bad working directory: %s", strerror(errno)); return (CMD_RETURN_ERROR); } close(s->cwd); s->cwd = fd; } cmdq->client->session = s; notify_attached_session_changed(cmdq->client); session_update_activity(s); server_redraw_client(cmdq->client); s->curw->flags &= ~WINLINK_ALERTFLAGS; } else { if (server_client_open(cmdq->client, s, &cause) != 0) { cmdq_error(cmdq, "open terminal failed: %s", cause); free(cause); return (CMD_RETURN_ERROR); } if (cflag != NULL) { ft = format_create(); if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) format_client(ft, c); format_session(ft, s); format_winlink(ft, s, s->curw); format_window_pane(ft, s->curw->window->active); cp = format_expand(ft, cflag); format_free(ft); fd = open(cp, O_RDONLY|O_DIRECTORY); free(cp); if (fd == -1) { cmdq_error(cmdq, "bad working directory: %s", strerror(errno)); return (CMD_RETURN_ERROR); } close(s->cwd); s->cwd = fd; } if (rflag) cmdq->client->flags |= CLIENT_READONLY; if (dflag) { server_write_session(s, MSG_DETACH, s->name, strlen(s->name) + 1); } update = options_get_string(&s->options, "update-environment"); environ_update(update, &cmdq->client->environ, &s->environ); cmdq->client->session = s; notify_attached_session_changed(cmdq->client); session_update_activity(s); server_redraw_client(cmdq->client); s->curw->flags &= ~WINLINK_ALERTFLAGS; server_write_ready(cmdq->client); cmdq->client_exit = 0; } recalculate_sizes(); server_update_socket(); return (CMD_RETURN_NORMAL); }
enum cmd_retval cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) { struct args *args = self->args; struct session *s; struct winlink *wl; struct window *w; struct window_pane *wp, *new_wp = NULL; struct environ env; const char *cmd, *shell, *template; char *cause, *new_cause, *cp; u_int hlimit; int size, percentage, cwd, fd = -1; enum layout_type type; struct layout_cell *lc; struct client *c; struct format_tree *ft; if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL) return (CMD_RETURN_ERROR); w = wl->window; server_unzoom_window(w); environ_init(&env); environ_copy(&global_environ, &env); environ_copy(&s->environ, &env); server_fill_environ(s, &env); if (args->argc == 0) cmd = options_get_string(&s->options, "default-command"); else cmd = args->argv[0]; if (args_has(args, 'c')) { ft = format_create(); if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) format_client(ft, c); format_session(ft, s); format_winlink(ft, s, s->curw); format_window_pane(ft, s->curw->window->active); cp = format_expand(ft, args_get(args, 'c')); format_free(ft); fd = open(cp, O_RDONLY|O_DIRECTORY); free(cp); if (fd == -1) { cmdq_error(cmdq, "bad working directory: %s", strerror(errno)); return (CMD_RETURN_ERROR); } cwd = fd; } else if (cmdq->client != NULL && cmdq->client->session == NULL) cwd = cmdq->client->cwd; else cwd = s->cwd; type = LAYOUT_TOPBOTTOM; if (args_has(args, 'h')) type = LAYOUT_LEFTRIGHT; size = -1; if (args_has(args, 'l')) { size = args_strtonum(args, 'l', 0, INT_MAX, &cause); if (cause != NULL) { xasprintf(&new_cause, "size %s", cause); free(cause); cause = new_cause; goto error; } } else if (args_has(args, 'p')) { percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); if (cause != NULL) { xasprintf(&new_cause, "percentage %s", cause); free(cause); cause = new_cause; goto error; } if (type == LAYOUT_TOPBOTTOM) size = (wp->sy * percentage) / 100; else size = (wp->sx * percentage) / 100; } hlimit = options_get_number(&s->options, "history-limit"); shell = options_get_string(&s->options, "default-shell"); if (*shell == '\0' || areshell(shell)) shell = _PATH_BSHELL; if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) { cause = xstrdup("pane too small"); goto error; } new_wp = window_add_pane(w, hlimit); if (window_pane_spawn( new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) goto error; layout_assign_pane(lc, new_wp); server_redraw_window(w); if (!args_has(args, 'd')) { window_set_active_pane(w, new_wp); session_select(s, wl->idx); server_redraw_session(s); } else server_status_session(s); environ_free(&env); if (args_has(args, 'P')) { if ((template = args_get(args, 'F')) == NULL)
enum cmd_retval cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq) { struct args *args = self->args; struct client *c = cmdq->client, *c0; struct session *s, *groupwith; struct window *w; struct environ env; struct termios tio, *tiop; const char *newname, *target, *update, *errstr, *template; char *cmd, *cause, *cp; int detached, already_attached, idx, cwd, fd = -1; u_int sx, sy; struct format_tree *ft; if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) { cmdq_error(cmdq, "command or window name given with target"); return (CMD_RETURN_ERROR); } newname = args_get(args, 's'); if (newname != NULL) { if (!session_check_name(newname)) { cmdq_error(cmdq, "bad session name: %s", newname); return (CMD_RETURN_ERROR); } if (session_find(newname) != NULL) { if (args_has(args, 'A')) { return (cmd_attach_session(cmdq, newname, args_has(args, 'D'), 0, NULL)); } cmdq_error(cmdq, "duplicate session: %s", newname); return (CMD_RETURN_ERROR); } } target = args_get(args, 't'); if (target != NULL) { groupwith = cmd_find_session(cmdq, target, 0); if (groupwith == NULL) return (CMD_RETURN_ERROR); } else groupwith = NULL; /* Set -d if no client. */ detached = args_has(args, 'd'); if (c == NULL) detached = 1; /* Is this client already attached? */ already_attached = 0; if (c != NULL && c->session != NULL) already_attached = 1; /* Get the new session working directory. */ if (args_has(args, 'c')) { ft = format_create(); if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL) format_client(ft, c0); cp = format_expand(ft, args_get(args, 'c')); format_free(ft); if (cp != NULL && *cp != '\0') { fd = open(cp, O_RDONLY|O_DIRECTORY); free(cp); if (fd == -1) { cmdq_error(cmdq, "bad working directory: %s", strerror(errno)); return (CMD_RETURN_ERROR); } } else if (cp != NULL) free(cp); cwd = fd; } else if (c != NULL && c->session == NULL) cwd = c->cwd; else if ((c0 = cmd_current_client(cmdq)) != NULL) cwd = c0->session->cwd; else { fd = open(".", O_RDONLY); cwd = fd; } /* * Save the termios settings, part of which is used for new windows in * this session. * * This is read again with tcgetattr() rather than using tty.tio as if * detached, tty_open won't be called. Because of this, it must be done * before opening the terminal as that calls tcsetattr() to prepare for * tmux taking over. */ if (!detached && !already_attached && c->tty.fd != -1) { if (tcgetattr(c->tty.fd, &tio) != 0) fatal("tcgetattr failed"); tiop = &tio; } else tiop = NULL; /* Open the terminal if necessary. */ if (!detached && !already_attached) { if (server_client_open(c, NULL, &cause) != 0) { cmdq_error(cmdq, "open terminal failed: %s", cause); free(cause); goto error; } } /* Find new session size. */ if (c != NULL) { sx = c->tty.sx; sy = c->tty.sy; } else { sx = 80; sy = 24; } if (detached && args_has(args, 'x')) { sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr); if (errstr != NULL) { cmdq_error(cmdq, "width %s", errstr); goto error; } } if (detached && args_has(args, 'y')) { sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr); if (errstr != NULL) { cmdq_error(cmdq, "height %s", errstr); goto error; } } if (sy > 0 && options_get_number(&global_s_options, "status")) sy--; if (sx == 0) sx = 1; if (sy == 0) sy = 1; /* Figure out the command for the new window. */ if (target != NULL) cmd = NULL; else if (args->argc != 0) cmd = args->argv[0]; else cmd = options_get_string(&global_s_options, "default-command"); /* Construct the environment. */ environ_init(&env); update = options_get_string(&global_s_options, "update-environment"); if (c != NULL) environ_update(update, &c->environ, &env); /* Create the new session. */ idx = -1 - options_get_number(&global_s_options, "base-index"); s = session_create(newname, cmd, cwd, &env, tiop, idx, sx, sy, &cause); if (s == NULL) { cmdq_error(cmdq, "create session failed: %s", cause); free(cause); goto error; } environ_free(&env); /* Set the initial window name if one given. */ if (cmd != NULL && args_has(args, 'n')) { w = s->curw->window; window_set_name(w, args_get(args, 'n')); 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. */ if (!detached) { if (!already_attached) server_write_ready(c); else if (c->session != NULL) c->last_session = c->session; c->session = s; notify_attached_session_changed(c); session_update_activity(s); server_redraw_client(c); } recalculate_sizes(); server_update_socket(); /* * If there are still configuration file errors to display, put the new * session's current window into more mode and display them now. */ if (cfg_finished) cfg_show_causes(s); /* Print if requested. */ if (args_has(args, 'P')) { if ((template = args_get(args, 'F')) == NULL)