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Annotation of embedaddon/tmux/cmd-switch-client.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
        !             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: 
        !            21: #include <stdlib.h>
        !            22: #include <string.h>
        !            23: 
        !            24: #include "tmux.h"
        !            25: 
        !            26: /*
        !            27:  * Switch client to a different session.
        !            28:  */
        !            29: 
        !            30: static enum cmd_retval cmd_switch_client_exec(struct cmd *,
        !            31:                            struct cmdq_item *);
        !            32: 
        !            33: const struct cmd_entry cmd_switch_client_entry = {
        !            34:        .name = "switch-client",
        !            35:        .alias = "switchc",
        !            36: 
        !            37:        .args = { "lc:Enpt:rT:", 0, 0 },
        !            38:        .usage = "[-Elnpr] [-c target-client] [-t target-session] "
        !            39:                 "[-T key-table]",
        !            40: 
        !            41:        .cflag = CMD_CLIENT,
        !            42:        .tflag = CMD_SESSION_WITHPANE,
        !            43: 
        !            44:        .flags = CMD_READONLY,
        !            45:        .exec = cmd_switch_client_exec
        !            46: };
        !            47: 
        !            48: static enum cmd_retval
        !            49: cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
        !            50: {
        !            51:        struct args             *args = self->args;
        !            52:        struct cmd_state        *state = &item->state;
        !            53:        struct client           *c = state->c;
        !            54:        struct session          *s = item->state.tflag.s;
        !            55:        struct window_pane      *wp;
        !            56:        const char              *tablename;
        !            57:        struct key_table        *table;
        !            58: 
        !            59:        if (args_has(args, 'r'))
        !            60:                c->flags ^= CLIENT_READONLY;
        !            61: 
        !            62:        tablename = args_get(args, 'T');
        !            63:        if (tablename != NULL) {
        !            64:                table = key_bindings_get_table(tablename, 0);
        !            65:                if (table == NULL) {
        !            66:                        cmdq_error(item, "table %s doesn't exist", tablename);
        !            67:                        return (CMD_RETURN_ERROR);
        !            68:                }
        !            69:                table->references++;
        !            70:                key_bindings_unref_table(c->keytable);
        !            71:                c->keytable = table;
        !            72:                return (CMD_RETURN_NORMAL);
        !            73:        }
        !            74: 
        !            75:        if (args_has(args, 'n')) {
        !            76:                if ((s = session_next_session(c->session)) == NULL) {
        !            77:                        cmdq_error(item, "can't find next session");
        !            78:                        return (CMD_RETURN_ERROR);
        !            79:                }
        !            80:        } else if (args_has(args, 'p')) {
        !            81:                if ((s = session_previous_session(c->session)) == NULL) {
        !            82:                        cmdq_error(item, "can't find previous session");
        !            83:                        return (CMD_RETURN_ERROR);
        !            84:                }
        !            85:        } else if (args_has(args, 'l')) {
        !            86:                if (c->last_session != NULL && session_alive(c->last_session))
        !            87:                        s = c->last_session;
        !            88:                else
        !            89:                        s = NULL;
        !            90:                if (s == NULL) {
        !            91:                        cmdq_error(item, "can't find last session");
        !            92:                        return (CMD_RETURN_ERROR);
        !            93:                }
        !            94:        } else {
        !            95:                if (item->client == NULL)
        !            96:                        return (CMD_RETURN_NORMAL);
        !            97:                if (state->tflag.wl != NULL) {
        !            98:                        wp = state->tflag.wp;
        !            99:                        if (wp != NULL)
        !           100:                                window_set_active_pane(wp->window, wp);
        !           101:                        session_set_current(s, state->tflag.wl);
        !           102:                }
        !           103:        }
        !           104: 
        !           105:        if (!args_has(args, 'E'))
        !           106:                environ_update(s->options, c->environ, s->environ);
        !           107: 
        !           108:        if (c->session != NULL && c->session != s)
        !           109:                c->last_session = c->session;
        !           110:        c->session = s;
        !           111:        if (!item->repeat)
        !           112:                server_client_set_key_table(c, NULL);
        !           113:        status_timer_start(c);
        !           114:        session_update_activity(s, NULL);
        !           115:        gettimeofday(&s->last_attached_time, NULL);
        !           116: 
        !           117:        recalculate_sizes();
        !           118:        server_check_unattached();
        !           119:        server_redraw_client(c);
        !           120:        s->curw->flags &= ~WINLINK_ALERTFLAGS;
        !           121:        alerts_check_session(s);
        !           122: 
        !           123:        return (CMD_RETURN_NORMAL);
        !           124: }