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         CMD_TARGET_WINDOW_USAGE " [template]",
  37         CMD_ARG01, "",
  38         cmd_target_init,
  39         cmd_target_parse,
  40         cmd_choose_client_exec,
  41         cmd_target_free,
  42         cmd_target_print
  43 };
  44
  45 struct cmd_choose_client_data {
  46         struct client   *client;
  47         char            *template;
  48 };
  49
  50 int
  51 cmd_choose_client_exec(struct cmd *self, struct cmd_ctx *ctx)
  52 {
  53         struct cmd_target_data          *data = self->data;
  54         struct cmd_choose_client_data   *cdata;
  55         struct winlink                  *wl;
  56         struct client                   *c;
  57         u_int                            i, idx, cur;
  58
  59         if (ctx->curclient == NULL) {
  60                 ctx->error(ctx, "must be run interactively");
  61                 return (-1);
  62         }
  63
  64         if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
  65                 return (-1);
  66
  67         if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
  68                 return (0);
  69
  70         cur = idx = 0;
  71         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
  72                 c = ARRAY_ITEM(&clients, i);
  73                 if (c == NULL || c->session == NULL)
  74                         continue;
  75                 if (c == ctx->curclient)
  76                         cur = idx;
  77                 idx++;
  78
  79                 window_choose_add(wl->window->active, i,
  80                     "%s: %s [%ux%u %s]%s", c->tty.path,
  81                     c->session->name, c->tty.sx, c->tty.sy,
  82                     c->tty.termname, c->tty.flags & TTY_UTF8 ? " (utf8)" : "");
  83         }
  84
  85         cdata = xmalloc(sizeof *cdata);
  86         if (data->arg != NULL)
  87                 cdata->template = xstrdup(data->arg);
  88         else
  89                 cdata->template = xstrdup("detach-client -t '%%'");
  90         cdata->client = ctx->curclient;
  91         cdata->client->references++;
  92
  93         window_choose_ready(wl->window->active,
  94             cur, cmd_choose_client_callback, cmd_choose_client_free, cdata);
  95
  96         return (0);
  97 }
  98
  99 void
 100 cmd_choose_client_callback(void *data, int idx)
 101 {
 102         struct cmd_choose_client_data   *cdata = data;
 103         struct client                   *c;
 104         struct cmd_list                 *cmdlist;
 105         struct cmd_ctx                   ctx;
 106         char                            *template, *cause;
 107
 108         if (idx == -1)
 109                 return;
 110         if (cdata->client->flags & CLIENT_DEAD)
 111                 return;
 112
 113         if ((u_int) idx > ARRAY_LENGTH(&clients) - 1)
 114                 return;
 115         c = ARRAY_ITEM(&clients, idx);
 116         if (c == NULL || c->session == NULL)
 117                 return;
 118         template = cmd_template_replace(cdata->template, c->tty.path, 1);
 119
 120         if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
 121                 if (cause != NULL) {
 122                         *cause = toupper((u_char) *cause);
 123                         status_message_set(c, "%s", cause);
 124                         xfree(cause);
 125                 }
 126                 xfree(template);
 127                 return;
 128         }
 129         xfree(template);
 130
 131         ctx.msgdata = NULL;
 132         ctx.curclient = cdata->client;
 133
 134         ctx.error = key_bindings_error;
 135         ctx.print = key_bindings_print;
 136         ctx.info = key_bindings_info;
 137
 138         ctx.cmdclient = NULL;
 139
 140         cmd_list_exec(cmdlist, &ctx);
 141         cmd_list_free(cmdlist);
 142 }
 143
 144 void
 145 cmd_choose_client_free(void *data)
 146 {
 147         struct cmd_choose_client_data   *cdata = data;
 148
 149         cdata->client->references--;
 150         xfree(cdata->template);
 151         xfree(cdata);
 152 }