cmd-previous-window.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 "tmux.h"
  22
  23 /*
  24  * Move to previous window.
  25  */
  26
  27 void    cmd_previous_window_init(struct cmd *, int);
  28 int     cmd_previous_window_exec(struct cmd *, struct cmd_ctx *);
  29
  30 const struct cmd_entry cmd_previous_window_entry = {
  31         "previous-window", "prev",
  32         "[-a] " CMD_TARGET_SESSION_USAGE,
  33         0, "a",
  34         cmd_previous_window_init,
  35         cmd_target_parse,
  36         cmd_previous_window_exec,
  37         cmd_target_free,
  38         cmd_target_print
  39 };
  40
  41 void
  42 cmd_previous_window_init(struct cmd *self, int key)
  43 {
  44         struct cmd_target_data  *data;
  45
  46         cmd_target_init(self, key);
  47         data = self->data;
  48
  49         if (key == ('p' | KEYC_ESCAPE))
  50                 cmd_set_flag(&data->chflags, 'a');
  51 }
  52
  53 int
  54 cmd_previous_window_exec(struct cmd *self, struct cmd_ctx *ctx)
  55 {
  56         struct cmd_target_data  *data = self->data;
  57         struct session          *s;
  58         int                      activity;
  59
  60         if ((s = cmd_find_session(ctx, data->target)) == NULL)
  61                 return (-1);
  62
  63         activity = 0;
  64         if (cmd_check_flag(data->chflags, 'a'))
  65                 activity = 1;
  66
  67         if (session_previous(s, activity) == 0)
  68                 server_redraw_session(s);
  69         else {
  70                 ctx->error(ctx, "no previous window");
  71                 return (-1);
  72         }
  73         recalculate_sizes();
  74
  75         return (0);
  76 }