cmd-new-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 <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Create a new window.
  27  */
  28
  29 enum cmd_retval cmd_new_window_exec(struct cmd *, struct cmd_q *);
  30
  31 const struct cmd_entry cmd_new_window_entry = {
  32         "new-window", "neww",
  33         "ac:dF:kn:Pt:", 0, 1,
  34         "[-adkP] [-c start-directory] [-F format] [-n window-name] "
  35         CMD_TARGET_WINDOW_USAGE " [command]",
  36         0,
  37         NULL,
  38         NULL,
  39         cmd_new_window_exec
  40 };
  41
  42 enum cmd_retval
  43 cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
  44 {
  45         struct args             *args = self->args;
  46         struct session          *s;
  47         struct winlink          *wl;
  48         struct client           *c;
  49         const char              *cmd, *cwd;
  50         const char              *template;
  51         char                    *cause;
  52         int                      idx, last, detached;
  53         struct format_tree      *ft;
  54         char                    *cp;
  55
  56         if (args_has(args, 'a')) {
  57                 wl = cmd_find_window(cmdq, args_get(args, 't'), &s);
  58                 if (wl == NULL)
  59                         return (CMD_RETURN_ERROR);
  60                 idx = wl->idx + 1;
  61
  62                 /* Find the next free index. */
  63                 for (last = idx; last < INT_MAX; last++) {
  64                         if (winlink_find_by_index(&s->windows, last) == NULL)
  65                                 break;
  66                 }
  67                 if (last == INT_MAX) {
  68                         cmdq_error(cmdq, "no free window indexes");
  69                         return (CMD_RETURN_ERROR);
  70                 }
  71
  72                 /* Move everything from last - 1 to idx up a bit. */
  73                 for (; last > idx; last--) {
  74                         wl = winlink_find_by_index(&s->windows, last - 1);
  75                         server_link_window(s, wl, s, last, 0, 0, NULL);
  76                         server_unlink_window(s, wl);
  77                 }
  78         } else {
  79                 if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2)
  80                         return (CMD_RETURN_ERROR);
  81         }
  82         detached = args_has(args, 'd');
  83
  84         wl = NULL;
  85         if (idx != -1)
  86                 wl = winlink_find_by_index(&s->windows, idx);
  87         if (wl != NULL && args_has(args, 'k')) {
  88                 /*
  89                  * Can't use session_detach as it will destroy session if this
  90                  * makes it empty.
  91                  */
  92                 notify_window_unlinked(s, wl->window);
  93                 wl->flags &= ~WINLINK_ALERTFLAGS;
  94                 winlink_stack_remove(&s->lastw, wl);
  95                 winlink_remove(&s->windows, wl);
  96
  97                 /* Force select/redraw if current. */
  98                 if (wl == s->curw) {
  99                         detached = 0;
 100                         s->curw = NULL;
 101                 }
 102         }
 103
 104         if (args->argc == 0)
 105                 cmd = options_get_string(&s->options, "default-command");
 106         else
 107                 cmd = args->argv[0];
 108         cwd = cmd_get_default_path(cmdq, args_get(args, 'c'));
 109
 110         if (idx == -1)
 111                 idx = -1 - options_get_number(&s->options, "base-index");
 112         wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause);
 113         if (wl == NULL) {
 114                 cmdq_error(cmdq, "create window failed: %s", cause);
 115                 free(cause);
 116                 return (CMD_RETURN_ERROR);
 117         }
 118         if (!detached) {
 119                 session_select(s, wl->idx);
 120                 server_redraw_session_group(s);
 121         } else
 122                 server_status_session_group(s);
 123
 124         if (args_has(args, 'P')) {
 125                 if ((template = args_get(args, 'F')) == NULL)
 126                         template = NEW_WINDOW_TEMPLATE;
 127
 128                 ft = format_create();
 129                 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
 130                         format_client(ft, c);
 131                 format_session(ft, s);
 132                 format_winlink(ft, s, wl);
 133                 format_window_pane(ft, wl->window->active);
 134
 135                 cp = format_expand(ft, template);
 136                 cmdq_print(cmdq, "%s", cp);
 137                 free(cp);
 138
 139                 format_free(ft);
 140         }
 141
 142         return (CMD_RETURN_NORMAL);
 143 }