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         NULL,
  40         cmd_switch_client_exec
  41 };
  42
  43 void
  44 cmd_switch_client_key_binding(struct cmd *self, int key)
  45 {
  46         self->args = args_create(0);
  47         switch (key) {
  48         case '(':
  49                 args_set(self->args, 'p', NULL);
  50                 break;
  51         case ')':
  52                 args_set(self->args, 'n', NULL);
  53                 break;
  54         case 'L':
  55                 args_set(self->args, 'l', NULL);
  56                 break;
  57         }
  58 }
  59
  60 enum cmd_retval
  61 cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
  62 {
  63         struct args     *args = self->args;
  64         struct client   *c;
  65         struct session  *s;
  66
  67         if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
  68                 return (CMD_RETURN_ERROR);
  69
  70         if (args_has(args, 'r')) {
  71                 if (c->flags & CLIENT_READONLY) {
  72                         c->flags &= ~CLIENT_READONLY;
  73                         cmdq_info(cmdq, "made client writable");
  74                 } else {
  75                         c->flags |= CLIENT_READONLY;
  76                         cmdq_info(cmdq, "made client read-only");
  77                 }
  78         }
  79
  80         s = NULL;
  81         if (args_has(args, 'n')) {
  82                 if ((s = session_next_session(c->session)) == NULL) {
  83                         cmdq_error(cmdq, "can't find next session");
  84                         return (CMD_RETURN_ERROR);
  85                 }
  86         } else if (args_has(args, 'p')) {
  87                 if ((s = session_previous_session(c->session)) == NULL) {
  88                         cmdq_error(cmdq, "can't find previous session");
  89                         return (CMD_RETURN_ERROR);
  90                 }
  91         } else if (args_has(args, 'l')) {
  92                 if (c->last_session != NULL && session_alive(c->last_session))
  93                         s = c->last_session;
  94                 if (s == NULL) {
  95                         cmdq_error(cmdq, "can't find last session");
  96                         return (CMD_RETURN_ERROR);
  97                 }
  98         } else
  99                 s = cmd_find_session(cmdq, args_get(args, 't'), 0);
 100         if (s == NULL)
 101                 return (CMD_RETURN_ERROR);
 102
 103         if (c->session != NULL)
 104                 c->last_session = c->session;
 105         c->session = s;
 106         session_update_activity(s);
 107
 108         recalculate_sizes();
 109         server_check_unattached();
 110         server_redraw_client(c);
 111         s->curw->flags &= ~WINLINK_ALERTFLAGS;
 112
 113         return (CMD_RETURN_NORMAL);
 114 }