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 = NULL;
  65         struct winlink          *wl = NULL;
  66         struct window           *w = NULL;
  67         struct window_pane      *wp = NULL;
  68         const char              *tflag;
  69
  70         if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
  71                 return (CMD_RETURN_ERROR);
  72
  73         if (args_has(args, 'r')) {
  74                 if (c->flags & CLIENT_READONLY) {
  75                         c->flags &= ~CLIENT_READONLY;
  76                         cmdq_info(cmdq, "made client writable");
  77                 } else {
  78                         c->flags |= CLIENT_READONLY;
  79                         cmdq_info(cmdq, "made client read-only");
  80                 }
  81         }
  82
  83         tflag = args_get(args, 't');
  84         if (args_has(args, 'n')) {
  85                 if ((s = session_next_session(c->session)) == NULL) {
  86                         cmdq_error(cmdq, "can't find next session");
  87                         return (CMD_RETURN_ERROR);
  88                 }
  89         } else if (args_has(args, 'p')) {
  90                 if ((s = session_previous_session(c->session)) == NULL) {
  91                         cmdq_error(cmdq, "can't find previous session");
  92                         return (CMD_RETURN_ERROR);
  93                 }
  94         } else if (args_has(args, 'l')) {
  95                 if (c->last_session != NULL && session_alive(c->last_session))
  96                         s = c->last_session;
  97                 if (s == NULL) {
  98                         cmdq_error(cmdq, "can't find last session");
  99                         return (CMD_RETURN_ERROR);
 100                 }
 101         } else {
 102                 if (tflag == NULL) {
 103                         if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
 104                                 return (CMD_RETURN_ERROR);
 105                 } else if (tflag[strcspn(tflag, ":.")] != '\0') {
 106                         if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
 107                                 return (CMD_RETURN_ERROR);
 108                 } else {
 109                         if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
 110                                 return (CMD_RETURN_ERROR);
 111                         w = cmd_lookup_windowid(tflag);
 112                         if (w == NULL &&
 113                             (wp = cmd_lookup_paneid(tflag)) != NULL)
 114                                 w = wp->window;
 115                         if (w != NULL)
 116                                 wl = winlink_find_by_window(&s->windows, w);
 117                 }
 118
 119                 if (cmdq->client == NULL)
 120                         return (CMD_RETURN_NORMAL);
 121
 122                 if (wl != NULL) {
 123                         if (wp != NULL)
 124                                 window_set_active_pane(wp->window, wp);
 125                         session_set_current(s, wl);
 126                 }
 127         }
 128
 129         if (c->session != NULL)
 130                 c->last_session = c->session;
 131         c->session = s;
 132         session_update_activity(s);
 133
 134         recalculate_sizes();
 135         server_check_unattached();
 136         server_redraw_client(c);
 137         s->curw->flags &= ~WINLINK_ALERTFLAGS;
 138
 139         return (CMD_RETURN_NORMAL);
 140 }