1 /* $OpenBSD: cmd-switch-client.c,v 1.64 2020/04/13 14:46:04 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:Z", 0, 0 }, 38 .usage = "[-ElnprZ] [-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 = cmd_get_args(self); 51 struct cmd_find_state *current = cmdq_get_current(item); 52 struct cmd_find_state target; 53 const char *tflag = args_get(args, 't'); 54 enum cmd_find_type type; 55 int flags; 56 struct client *c; 57 struct session *s; 58 struct winlink *wl; 59 struct window *w; 60 struct window_pane *wp; 61 const char *tablename; 62 struct key_table *table; 63 64 if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL) 65 return (CMD_RETURN_ERROR); 66 67 if (tflag != NULL && tflag[strcspn(tflag, ":.%")] != '\0') { 68 type = CMD_FIND_PANE; 69 flags = 0; 70 } else { 71 type = CMD_FIND_SESSION; 72 flags = CMD_FIND_PREFER_UNATTACHED; 73 } 74 if (cmd_find_target(&target, item, tflag, type, flags) != 0) 75 return (CMD_RETURN_ERROR); 76 s = target.s; 77 wl = target.wl; 78 wp = target.wp; 79 80 if (args_has(args, 'r')) 81 c->flags ^= CLIENT_READONLY; 82 83 tablename = args_get(args, 'T'); 84 if (tablename != NULL) { 85 table = key_bindings_get_table(tablename, 0); 86 if (table == NULL) { 87 cmdq_error(item, "table %s doesn't exist", tablename); 88 return (CMD_RETURN_ERROR); 89 } 90 table->references++; 91 key_bindings_unref_table(c->keytable); 92 c->keytable = table; 93 return (CMD_RETURN_NORMAL); 94 } 95 96 if (args_has(args, 'n')) { 97 if ((s = session_next_session(c->session)) == NULL) { 98 cmdq_error(item, "can't find next session"); 99 return (CMD_RETURN_ERROR); 100 } 101 } else if (args_has(args, 'p')) { 102 if ((s = session_previous_session(c->session)) == NULL) { 103 cmdq_error(item, "can't find previous session"); 104 return (CMD_RETURN_ERROR); 105 } 106 } else if (args_has(args, 'l')) { 107 if (c->last_session != NULL && session_alive(c->last_session)) 108 s = c->last_session; 109 else 110 s = NULL; 111 if (s == NULL) { 112 cmdq_error(item, "can't find last session"); 113 return (CMD_RETURN_ERROR); 114 } 115 } else { 116 if (cmdq_get_client(item) == NULL) 117 return (CMD_RETURN_NORMAL); 118 if (wl != NULL && wp != NULL) { 119 w = wl->window; 120 if (window_push_zoom(w, args_has(args, 'Z'))) 121 server_redraw_window(w); 122 window_redraw_active_switch(w, wp); 123 window_set_active_pane(w, wp, 1); 124 if (window_pop_zoom(w)) 125 server_redraw_window(w); 126 } 127 if (wl != NULL) { 128 session_set_current(s, wl); 129 cmd_find_from_session(current, s, 0); 130 } 131 } 132 133 if (!args_has(args, 'E')) 134 environ_update(s->options, c->environ, s->environ); 135 136 if (c->session != NULL && c->session != s) 137 c->last_session = c->session; 138 c->session = s; 139 if (~cmdq_get_flags(item) & CMDQ_STATE_REPEAT) 140 server_client_set_key_table(c, NULL); 141 tty_update_client_offset(c); 142 status_timer_start(c); 143 notify_client("client-session-changed", c); 144 session_update_activity(s, NULL); 145 gettimeofday(&s->last_attached_time, NULL); 146 147 server_check_unattached(); 148 server_redraw_client(c); 149 s->curw->flags &= ~WINLINK_ALERTFLAGS; 150 s->curw->window->latest = c; 151 recalculate_sizes(); 152 alerts_check_session(s); 153 154 return (CMD_RETURN_NORMAL); 155 } 156