cmd-new-window.c

   1 /* $OpenBSD$ */
   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 <errno.h>
  22 #include <fcntl.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <unistd.h>
  26
  27 #include "tmux.h"
  28
  29 /*
  30  * Create a new window.
  31  */
  32
  33 #define NEW_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
  34
  35 static enum cmd_retval  cmd_new_window_exec(struct cmd *, struct cmdq_item *);
  36
  37 const struct cmd_entry cmd_new_window_entry = {
  38         .name = "new-window",
  39         .alias = "neww",
  40
  41         .args = { "abc:de:F:kn:PSt:", 0, -1, NULL },
  42         .usage = "[-abdkPS] [-c start-directory] [-e environment] [-F format] "
  43                  "[-n window-name] " CMD_TARGET_WINDOW_USAGE " [shell-command]",
  44
  45         .target = { 't', CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX },
  46
  47         .flags = 0,
  48         .exec = cmd_new_window_exec
  49 };
  50
  51 static enum cmd_retval
  52 cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
  53 {
  54         struct args             *args = cmd_get_args(self);
  55         struct client           *c = cmdq_get_client(item);
  56         struct cmd_find_state   *current = cmdq_get_current(item);
  57         struct cmd_find_state   *target = cmdq_get_target(item);
  58         struct spawn_context     sc = { 0 };
  59         struct client           *tc = cmdq_get_target_client(item);
  60         struct session          *s = target->s;
  61         struct winlink          *wl = target->wl, *new_wl = NULL;
  62         int                      idx = target->idx, before;
  63         char                    *cause = NULL, *cp, *expanded;
  64         const char              *template, *name;
  65         struct cmd_find_state    fs;
  66         struct args_value       *av;
  67
  68         /*
  69          * If -S and -n are given and -t is not and a single window with this
  70          * name already exists, select it.
  71          */
  72         name = args_get(args, 'n');
  73         if (args_has(args, 'S') && name != NULL && target->idx == -1) {
  74                 expanded = format_single(item, name, c, s, NULL, NULL);
  75                 RB_FOREACH(wl, winlinks, &s->windows) {
  76                         if (strcmp(wl->window->name, expanded) != 0)
  77                                 continue;
  78                         if (new_wl == NULL) {
  79                                 new_wl = wl;
  80                                 continue;
  81                         }
  82                         cmdq_error(item, "multiple windows named %s", name);
  83                         free(expanded);
  84                         return (CMD_RETURN_ERROR);
  85                 }
  86                 free(expanded);
  87                 if (new_wl != NULL) {
  88                         if (args_has(args, 'd'))
  89                                 return (CMD_RETURN_NORMAL);
  90                         if (session_set_current(s, new_wl) == 0)
  91                                 server_redraw_session(s);
  92                         if (c != NULL && c->session != NULL)
  93                                 s->curw->window->latest = c;
  94                         recalculate_sizes();
  95                         return (CMD_RETURN_NORMAL);
  96                 }
  97         }
  98
  99         before = args_has(args, 'b');
 100         if (args_has(args, 'a') || before) {
 101                 idx = winlink_shuffle_up(s, wl, before);
 102                 if (idx == -1)
 103                         idx = target->idx;
 104         }
 105
 106         sc.item = item;
 107         sc.s = s;
 108         sc.tc = tc;
 109
 110         sc.name = args_get(args, 'n');
 111         args_to_vector(args, &sc.argc, &sc.argv);
 112         sc.environ = environ_create();
 113
 114         av = args_first_value(args, 'e');
 115         while (av != NULL) {
 116                 environ_put(sc.environ, av->string, 0);
 117                 av = args_next_value(av);
 118         }
 119
 120         sc.idx = idx;
 121         sc.cwd = args_get(args, 'c');
 122
 123         sc.flags = 0;
 124         if (args_has(args, 'd'))
 125                 sc.flags |= SPAWN_DETACHED;
 126         if (args_has(args, 'k'))
 127                 sc.flags |= SPAWN_KILL;
 128
 129         if ((new_wl = spawn_window(&sc, &cause)) == NULL) {
 130                 cmdq_error(item, "create window failed: %s", cause);
 131                 free(cause);
 132                 if (sc.argv != NULL)
 133                         cmd_free_argv(sc.argc, sc.argv);
 134                 environ_free(sc.environ);
 135                 return (CMD_RETURN_ERROR);
 136         }
 137         if (!args_has(args, 'd') || new_wl == s->curw) {
 138                 cmd_find_from_winlink(current, new_wl, 0);
 139                 server_redraw_session_group(s);
 140         } else
 141                 server_status_session_group(s);
 142
 143         if (args_has(args, 'P')) {
 144                 if ((template = args_get(args, 'F')) == NULL)
 145                         template = NEW_WINDOW_TEMPLATE;
 146                 cp = format_single(item, template, tc, s, new_wl,
 147                         new_wl->window->active);
 148                 cmdq_print(item, "%s", cp);
 149                 free(cp);
 150         }
 151
 152         cmd_find_from_winlink(&fs, new_wl, 0);
 153         cmdq_insert_hook(s, item, &fs, "after-new-window");
 154
 155         if (sc.argv != NULL)
 156                 cmd_free_argv(sc.argc, sc.argv);
 157         environ_free(sc.environ);
 158         return (CMD_RETURN_NORMAL);
 159 }