cmd-choose-client.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2009 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 <ctype.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Enter choice mode to choose a client.
  27  */
  28
  29 int     cmd_choose_client_exec(struct cmd *, struct cmd_ctx *);
  30
  31 void    cmd_choose_client_callback(void *, int);
  32 void    cmd_choose_client_free(void *);
  33
  34 const struct cmd_entry cmd_choose_client_entry = {
  35         "choose-client", NULL,
  36         "t:", 0, 1,
  37         CMD_TARGET_WINDOW_USAGE " [template]",
  38         0,
  39         NULL,
  40         NULL,
  41         cmd_choose_client_exec
  42 };
  43
  44 struct cmd_choose_client_data {
  45         struct client   *client;
  46         char            *template;
  47 };
  48
  49 int
  50 cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
  51 {
  52         struct args                     *args = self->args;
  53         struct cmd_choose_client_data   *cdata;
  54         struct winlink                  *wl;
  55         struct client                   *c;
  56         u_int                            i, idx, cur;
  57
  58         if (ctx->curclient == NULL) {
  59                 ctx->error(ctx, "must be run interactively");
  60                 return (-1);
  61         }
  62
  63         if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
  64                 return (-1);
  65
  66         if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
  67                 return (0);
  68
  69         cur = idx = 0;
  70         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  71                 c = ARRAY_ITEM(&clients, i);
  72                 if (c == NULL || c->session == NULL)
  73                         continue;
  74                 if (c == ctx->curclient)
  75                         cur = idx;
  76                 idx++;
  77
  78                 window_choose_add(wl->window->active, i,
  79                     "%s: %s [%ux%u %s]%s%s", c->tty.path,
  80                     c->session->name, c->tty.sx, c->tty.sy,
  81                     c->tty.termname,
  82                     c->tty.flags & TTY_UTF8 ? " (utf8)" : "",
  83                     c->flags & CLIENT_READONLY ? " (ro)" : "");
  84         }
  85
  86         cdata = xmalloc(sizeof *cdata);
  87         if (args->argc != 0)
  88                 cdata->template = xstrdup(args->argv[0]);
  89         else
  90                 cdata->template = xstrdup("detach-client -t '%%'");
  91         cdata->client = ctx->curclient;
  92         cdata->client->references++;
  93
  94         window_choose_ready(wl->window->active,
  95             cur, cmd_choose_client_callback, cmd_choose_client_free, cdata);
  96
  97         return (0);
  98 }
  99
 100 void
 101 cmd_choose_client_callback(void *data, int idx)
 102 {
 103         struct cmd_choose_client_data   *cdata = data;
 104         struct client                   *c;
 105         struct cmd_list                 *cmdlist;
 106         struct cmd_ctx                   ctx;
 107         char                            *template, *cause;
 108
 109         if (idx == -1)
 110                 return;
 111         if (cdata->client->flags & CLIENT_DEAD)
 112                 return;
 113
 114         if ((u_int) idx > ARRAY_LENGTH(&clients) - 1)
 115                 return;
 116         c = ARRAY_ITEM(&clients, idx);
 117         if (c == NULL || c->session == NULL)
 118                 return;
 119         template = cmd_template_replace(cdata->template, c->tty.path, 1);
 120
 121         if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
 122                 if (cause != NULL) {
 123                         *cause = toupper((u_char) *cause);
 124                         status_message_set(c, "%s", cause);
 125                         xfree(cause);
 126                 }
 127                 xfree(template);
 128                 return;
 129         }
 130         xfree(template);
 131
 132         ctx.msgdata = NULL;
 133         ctx.curclient = cdata->client;
 134
 135         ctx.error = key_bindings_error;
 136         ctx.print = key_bindings_print;
 137         ctx.info = key_bindings_info;
 138
 139         ctx.cmdclient = NULL;
 140
 141         cmd_list_exec(cmdlist, &ctx);
 142         cmd_list_free(cmdlist);
 143 }
 144
 145 void
 146 cmd_choose_client_free(void *data)
 147 {
 148         struct cmd_choose_client_data   *cdata = data;
 149
 150         cdata->client->references--;
 151         xfree(cdata->template);
 152         xfree(cdata);
 153 }