1 /* $OpenBSD: cmd-switch-client.c,v 1.55 2018/11/06 15:13:13 nicm Exp $ */ 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 /* -t is special */ 42 43 .flags = CMD_READONLY, 44 .exec = cmd_switch_client_exec 45 }; 46 47 static enum cmd_retval 48 cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item) 49 { 50 struct args *args = self->args; 51 const char *tflag = args_get(args, 't'); 52 enum cmd_find_type type; 53 int flags; 54 struct client *c; 55 struct session *s; 56 struct winlink *wl; 57 struct window_pane *wp; 58 const char *tablename; 59 struct key_table *table; 60 61 if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL) 62 return (CMD_RETURN_ERROR); 63 64 if (tflag != NULL && tflag[strcspn(tflag, ":.")] != '\0') { 65 type = CMD_FIND_PANE; 66 flags = 0; 67 } else { 68 type = CMD_FIND_SESSION; 69 flags = CMD_FIND_PREFER_UNATTACHED; 70 } 71 if (cmd_find_target(&item->target, item, tflag, type, flags) != 0) 72 return (CMD_RETURN_ERROR); 73 s = item->target.s; 74 wl = item->target.wl; 75 wp = item->target.wp; 76 77 if (args_has(args, 'r')) 78 c->flags ^= CLIENT_READONLY; 79 80 tablename = args_get(args, 'T'); 81 if (tablename != NULL) { 82 table = key_bindings_get_table(tablename, 0); 83 if (table == NULL) { 84 cmdq_error(item, "table %s doesn't exist", tablename); 85 return (CMD_RETURN_ERROR); 86 } 87 table->references++; 88 key_bindings_unref_table(c->keytable); 89 c->keytable = table; 90 return (CMD_RETURN_NORMAL); 91 } 92 93 if (args_has(args, 'n')) { 94 if ((s = session_next_session(c->session)) == NULL) { 95 cmdq_error(item, "can't find next session"); 96 return (CMD_RETURN_ERROR); 97 } 98 } else if (args_has(args, 'p')) { 99 if ((s = session_previous_session(c->session)) == NULL) { 100 cmdq_error(item, "can't find previous session"); 101 return (CMD_RETURN_ERROR); 102 } 103 } else if (args_has(args, 'l')) { 104 if (c->last_session != NULL && session_alive(c->last_session)) 105 s = c->last_session; 106 else 107 s = NULL; 108 if (s == NULL) { 109 cmdq_error(item, "can't find last session"); 110 return (CMD_RETURN_ERROR); 111 } 112 } else { 113 if (item->client == NULL) 114 return (CMD_RETURN_NORMAL); 115 if (wl != NULL) { 116 server_unzoom_window(wl->window); 117 if (wp != NULL) { 118 window_redraw_active_switch(wp->window, wp); 119 window_set_active_pane(wp->window, wp); 120 } 121 session_set_current(s, wl); 122 cmd_find_from_session(&item->shared->current, s, 0); 123 } 124 } 125 126 if (!args_has(args, 'E')) 127 environ_update(s->options, c->environ, s->environ); 128 129 if (c->session != NULL && c->session != s) 130 c->last_session = c->session; 131 c->session = s; 132 if (~item->shared->flags & CMDQ_SHARED_REPEAT) 133 server_client_set_key_table(c, NULL); 134 tty_update_client_offset(c); 135 status_timer_start(c); 136 notify_client("client-session-changed", c); 137 session_update_activity(s, NULL); 138 gettimeofday(&s->last_attached_time, NULL); 139 140 recalculate_sizes(); 141 server_check_unattached(); 142 server_redraw_client(c); 143 s->curw->flags &= ~WINLINK_ALERTFLAGS; 144 alerts_check_session(s); 145 146 return (CMD_RETURN_NORMAL); 147 } 148