cmd-switch-client.c

   1 /* $OpenBSD$ */
   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
  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 void             cmd_switch_client_key_binding(struct cmd *, int);
  31 enum cmd_retval  cmd_switch_client_exec(struct cmd *, struct cmd_q *);
  32
  33 const struct cmd_entry cmd_switch_client_entry = {
  34         "switch-client", "switchc",
  35         "lc:npt:r", 0, 0,
  36         "[-lnpr] [-c target-client] [-t target-session]",
  37         CMD_READONLY,
  38         cmd_switch_client_key_binding,
  39         cmd_switch_client_exec
  40 };
  41
  42 void
  43 cmd_switch_client_key_binding(struct cmd *self, int key)
  44 {
  45         self->args = args_create(0);
  46         switch (key) {
  47         case '(':
  48                 args_set(self->args, 'p', NULL);
  49                 break;
  50         case ')':
  51                 args_set(self->args, 'n', NULL);
  52                 break;
  53         case 'L':
  54                 args_set(self->args, 'l', NULL);
  55                 break;
  56         }
  57 }
  58
  59 enum cmd_retval
  60 cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
  61 {
  62         struct args     *args = self->args;
  63         struct client   *c;
  64         struct session  *s;
  65
  66         if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
  67                 return (CMD_RETURN_ERROR);
  68
  69         if (args_has(args, 'r')) {
  70                 if (c->flags & CLIENT_READONLY) {
  71                         c->flags &= ~CLIENT_READONLY;
  72                         cmdq_info(cmdq, "made client writable");
  73                 } else {
  74                         c->flags |= CLIENT_READONLY;
  75                         cmdq_info(cmdq, "made client read-only");
  76                 }
  77         }
  78
  79         s = NULL;
  80         if (args_has(args, 'n')) {
  81                 if ((s = session_next_session(c->session)) == NULL) {
  82                         cmdq_error(cmdq, "can't find next session");
  83                         return (CMD_RETURN_ERROR);
  84                 }
  85         } else if (args_has(args, 'p')) {
  86                 if ((s = session_previous_session(c->session)) == NULL) {
  87                         cmdq_error(cmdq, "can't find previous session");
  88                         return (CMD_RETURN_ERROR);
  89                 }
  90         } else if (args_has(args, 'l')) {
  91                 if (c->last_session != NULL && session_alive(c->last_session))
  92                         s = c->last_session;
  93                 if (s == NULL) {
  94                         cmdq_error(cmdq, "can't find last session");
  95                         return (CMD_RETURN_ERROR);
  96                 }
  97         } else
  98                 s = cmd_find_session(cmdq, args_get(args, 't'), 0);
  99         if (s == NULL)
 100                 return (CMD_RETURN_ERROR);
 101
 102         if (c->session != NULL)
 103                 c->last_session = c->session;
 104         c->session = s;
 105         session_update_activity(s);
 106
 107         recalculate_sizes();
 108         server_check_unattached();
 109         server_redraw_client(c);
 110         s->curw->flags &= ~WINLINK_ALERTFLAGS;
 111
 112         return (CMD_RETURN_NORMAL);
 113 }