Return to cmd-attach-session.c CVS log

Up to [local] / src / usr.bin / tmux

Annotation of src/usr.bin/tmux/cmd-attach-session.c, Revision 1.22

1.22    ! nicm        1: /* $OpenBSD: cmd-attach-session.c,v 1.21 2012/07/10 11:53:01 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
1.21      nicm       21: #include <stdlib.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Attach existing session to the current terminal.
                     27:  */
                     28:
1.22    ! nicm       29: enum cmd_retval        cmd_attach_session_exec(struct cmd *, struct cmd_ctx *);
1.1       nicm       30:
                     31: const struct cmd_entry cmd_attach_session_entry = {
                     32:        "attach-session", "attach",
1.15      nicm       33:        "drt:", 0, 0,
1.12      nicm       34:        "[-dr] " CMD_TARGET_SESSION_USAGE,
1.15      nicm       35:        CMD_CANTNEST|CMD_STARTSERVER|CMD_SENDENVIRON,
                     36:        NULL,
                     37:        NULL,
                     38:        cmd_attach_session_exec
1.1       nicm       39: };
                     40:
1.22    ! nicm       41: enum cmd_retval
1.1       nicm       42: cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
                     43: {
1.15      nicm       44:        struct args     *args = self->args;
                     45:        struct session  *s;
                     46:        struct client   *c;
                     47:        const char      *update;
1.19      nicm       48:        char            *cause;
1.15      nicm       49:        u_int            i;
1.1       nicm       50:
1.13      nicm       51:        if (RB_EMPTY(&sessions)) {
1.1       nicm       52:                ctx->error(ctx, "no sessions");
1.22    ! nicm       53:                return (CMD_RETURN_ERROR);
1.1       nicm       54:        }
1.15      nicm       55:
1.16      nicm       56:        if ((s = cmd_find_session(ctx, args_get(args, 't'), 1)) == NULL)
1.22    ! nicm       57:                return (CMD_RETURN_ERROR);
1.5       nicm       58:
                     59:        if (ctx->cmdclient == NULL && ctx->curclient == NULL)
1.22    ! nicm       60:                return (CMD_RETURN_NORMAL);
1.1       nicm       61:
1.4       nicm       62:        if (ctx->cmdclient == NULL) {
1.15      nicm       63:                if (args_has(self->args, 'd')) {
1.11      nicm       64:                        /*
1.4       nicm       65:                         * Can't use server_write_session in case attaching to
                     66:                         * the same session as currently attached to.
                     67:                         */
                     68:                        for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
                     69:                                c = ARRAY_ITEM(&clients, i);
                     70:                                if (c == NULL || c->session != s)
                     71:                                        continue;
                     72:                                if (c == ctx->curclient)
                     73:                                        continue;
                     74:                                server_write_client(c, MSG_DETACH, NULL, 0);
                     75:                        }
                     76:                }
1.11      nicm       77:
1.4       nicm       78:                ctx->curclient->session = s;
1.18      nicm       79:                notify_attached_session_changed(ctx->curclient);
1.14      nicm       80:                session_update_activity(s);
1.4       nicm       81:                server_redraw_client(ctx->curclient);
1.17      nicm       82:                s->curw->flags &= ~WINLINK_ALERTFLAGS;
1.4       nicm       83:        } else {
1.19      nicm       84:                if (server_client_open(ctx->cmdclient, s, &cause) != 0) {
                     85:                        ctx->error(ctx, "open terminal failed: %s", cause);
1.21      nicm       86:                        free(cause);
1.22    ! nicm       87:                        return (CMD_RETURN_ERROR);
1.4       nicm       88:                }
1.12      nicm       89:
1.15      nicm       90:                if (args_has(self->args, 'r'))
1.12      nicm       91:                        ctx->cmdclient->flags |= CLIENT_READONLY;
1.4       nicm       92:
1.15      nicm       93:                if (args_has(self->args, 'd'))
1.4       nicm       94:                        server_write_session(s, MSG_DETACH, NULL, 0);
                     95:
                     96:                ctx->cmdclient->session = s;
1.18      nicm       97:                notify_attached_session_changed(ctx->cmdclient);
1.14      nicm       98:                session_update_activity(s);
1.20      nicm       99:                server_write_ready(ctx->cmdclient);
1.8       nicm      100:
                    101:                update = options_get_string(&s->options, "update-environment");
                    102:                environ_update(update, &ctx->cmdclient->environ, &s->environ);
                    103:
1.4       nicm      104:                server_redraw_client(ctx->cmdclient);
1.17      nicm      105:                s->curw->flags &= ~WINLINK_ALERTFLAGS;
1.1       nicm      106:        }
                    107:        recalculate_sizes();
1.9       nicm      108:        server_update_socket();
1.1       nicm      109:
1.22    ! nicm      110:        return (CMD_RETURN_ATTACH);
1.1       nicm      111: }