1 /* $OpenBSD: cmd-switch-client.c,v 1.58 2019/08/14 09:58:31 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 = 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 *w; 58 struct window_pane *wp; 59 const char *tablename; 60 struct key_table *table; 61 62 if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL) 63 return (CMD_RETURN_ERROR); 64 65 if (tflag != NULL && tflag[strcspn(tflag, ":.%")] != '\0') { 66 type = CMD_FIND_PANE; 67 flags = 0; 68 } else { 69 type = CMD_FIND_SESSION; 70 flags = CMD_FIND_PREFER_UNATTACHED; 71 } 72 if (cmd_find_target(&item->target, item, tflag, type, flags) != 0) 73 return (CMD_RETURN_ERROR); 74 s = item->target.s; 75 wl = item->target.wl; 76 w = wl->window; 77 wp = item->target.wp; 78 79 if (args_has(args, 'r')) 80 c->flags ^= CLIENT_READONLY; 81 82 tablename = args_get(args, 'T'); 83 if (tablename != NULL) { 84 table = key_bindings_get_table(tablename, 0); 85 if (table == NULL) { 86 cmdq_error(item, "table %s doesn't exist", tablename); 87 return (CMD_RETURN_ERROR); 88 } 89 table->references++; 90 key_bindings_unref_table(c->keytable); 91 c->keytable = table; 92 return (CMD_RETURN_NORMAL); 93 } 94 95 if (args_has(args, 'n')) { 96 if ((s = session_next_session(c->session)) == NULL) { 97 cmdq_error(item, "can't find next session"); 98 return (CMD_RETURN_ERROR); 99 } 100 } else if (args_has(args, 'p')) { 101 if ((s = session_previous_session(c->session)) == NULL) { 102 cmdq_error(item, "can't find previous session"); 103 return (CMD_RETURN_ERROR); 104 } 105 } else if (args_has(args, 'l')) { 106 if (c->last_session != NULL && session_alive(c->last_session)) 107 s = c->last_session; 108 else 109 s = NULL; 110 if (s == NULL) { 111 cmdq_error(item, "can't find last session"); 112 return (CMD_RETURN_ERROR); 113 } 114 } else { 115 if (item->client == NULL) 116 return (CMD_RETURN_NORMAL); 117 if (wl != NULL && wp != NULL) { 118 if (window_push_zoom(w, args_has(self->args, 'Z'))) 119 server_redraw_window(w); 120 window_redraw_active_switch(w, wp); 121 window_set_active_pane(w, wp, 1); 122 if (window_pop_zoom(w)) 123 server_redraw_window(w); 124 } 125 if (wl != NULL) { 126 session_set_current(s, wl); 127 cmd_find_from_session(&item->shared->current, s, 0); 128 } 129 } 130 131 if (!args_has(args, 'E')) 132 environ_update(s->options, c->environ, s->environ); 133 134 if (c->session != NULL && c->session != s) 135 c->last_session = c->session; 136 c->session = s; 137 if (~item->shared->flags & CMDQ_SHARED_REPEAT) 138 server_client_set_key_table(c, NULL); 139 tty_update_client_offset(c); 140 status_timer_start(c); 141 notify_client("client-session-changed", c); 142 session_update_activity(s, NULL); 143 gettimeofday(&s->last_attached_time, NULL); 144 145 recalculate_sizes(); 146 server_check_unattached(); 147 server_redraw_client(c); 148 s->curw->flags &= ~WINLINK_ALERTFLAGS; 149 alerts_check_session(s); 150 151 return (CMD_RETURN_NORMAL); 152 } 153