/* $Id: cmd-new-session.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include "tmux.h" /* * Create a new session and attach to the current terminal unless -d is given. */ int cmd_new_session_check(struct args *); int cmd_new_session_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_new_session_entry = { "new-session", "new", "dn:s:t:x:y:", 0, 1, "[-d] [-n window-name] [-s session-name] [-t target-session] " "[-x width] [-y height] [command]", CMD_STARTSERVER|CMD_CANTNEST|CMD_SENDENVIRON, NULL, cmd_new_session_check, cmd_new_session_exec }; int cmd_new_session_check(struct args *args) { if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) return (-1); return (0); } int cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx) { struct args *args = self->args; struct session *s, *old_s, *groupwith; struct window *w; struct window_pane *wp; struct environ env; struct termios tio, *tiop; struct passwd *pw; const char *newname, *target, *update, *cwd, *errstr; char *overrides, *cmd, *cause; int detached, idx; u_int sx, sy, i; newname = args_get(args, 's'); if (newname != NULL) { if (!session_check_name(newname)) { ctx->error(ctx, "bad session name: %s", newname); return (-1); } if (session_find(newname) != NULL) { ctx->error(ctx, "duplicate session: %s", newname); return (-1); } } target = args_get(args, 't'); if (target != NULL) { groupwith = cmd_find_session(ctx, target, 0); if (groupwith == NULL) return (-1); } else groupwith = NULL; /* * There are three cases: * * 1. If cmdclient is non-NULL, new-session has been called from the * command-line - cmdclient is to become a new attached, interactive * client. Unless -d is given, the terminal must be opened and then * the client sent MSG_READY. * * 2. If cmdclient is NULL, new-session has been called from an * existing client (such as a key binding). * * 3. Both are NULL, the command was in the configuration file. Treat * this as if -d was given even if it was not. * * In all cases, a new additional session needs to be created and * (unless -d) set as the current session for the client. */ /* Set -d if no client. */ detached = args_has(args, 'd'); if (ctx->cmdclient == NULL && ctx->curclient == NULL) detached = 1; /* * 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 (ctx->cmdclient != NULL && ctx->cmdclient->tty.fd != -1) { if (tcgetattr(ctx->cmdclient->tty.fd, &tio) != 0) fatal("tcgetattr failed"); tiop = &tio; } else tiop = NULL; /* Open the terminal if necessary. */ if (!detached && ctx->cmdclient != NULL) { if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) { ctx->error(ctx, "not a terminal"); return (-1); } overrides = options_get_string(&global_s_options, "terminal-overrides"); if (tty_open(&ctx->cmdclient->tty, overrides, &cause) != 0) { ctx->error(ctx, "open terminal failed: %s", cause); xfree(cause); return (-1); } } /* Get the new session working directory. */ if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL) cwd = ctx->cmdclient->cwd; else { pw = getpwuid(getuid()); if (pw->pw_dir != NULL && *pw->pw_dir != '\0') cwd = pw->pw_dir; else cwd = "/"; } /* Find new session size. */ if (detached) { sx = 80; sy = 24; if (args_has(args, 'x')) { sx = strtonum( args_get(args, 'x'), 1, USHRT_MAX, &errstr); if (errstr != NULL) { ctx->error(ctx, "width %s", errstr); return (-1); } } if (args_has(args, 'y')) { sy = strtonum( args_get(args, 'y'), 1, USHRT_MAX, &errstr); if (errstr != NULL) { ctx->error(ctx, "height %s", errstr); return (-1); } } } else if (ctx->cmdclient != NULL) { sx = ctx->cmdclient->tty.sx; sy = ctx->cmdclient->tty.sy; } else { sx = ctx->curclient->tty.sx; sy = ctx->curclient->tty.sy; } 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 (ctx->cmdclient != NULL) environ_update(update, &ctx->cmdclient->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) { ctx->error(ctx, "create session failed: %s", cause); xfree(cause); return (-1); } environ_free(&env); /* Set the initial window name if one given. */ if (cmd != NULL && args_has(args, 'n')) { w = s->curw->window; xfree(w->name); w->name = xstrdup(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 (ctx->cmdclient != NULL) { server_write_client(ctx->cmdclient, MSG_READY, NULL, 0); old_s = ctx->cmdclient->session; if (old_s != NULL) ctx->cmdclient->last_session = old_s; ctx->cmdclient->session = s; session_update_activity(s); server_redraw_client(ctx->cmdclient); } else { old_s = ctx->curclient->session; if (old_s != NULL) ctx->curclient->last_session = old_s; ctx->curclient->session = s; session_update_activity(s); server_redraw_client(ctx->curclient); } } 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 && !ARRAY_EMPTY(&cfg_causes)) { wp = s->curw->window->active; window_pane_set_mode(wp, &window_copy_mode); window_copy_init_for_output(wp); for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) { cause = ARRAY_ITEM(&cfg_causes, i); window_copy_add(wp, "%s", cause); xfree(cause); } ARRAY_FREE(&cfg_causes); } return (!detached); /* 1 means don't tell command client to exit */ }