cmd-choose-window.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 window.
  27  */
  28
  29 int     cmd_choose_window_exec(struct cmd *, struct cmd_ctx *);
  30
  31 void    cmd_choose_window_callback(void *, int);
  32 void    cmd_choose_window_free(void *);
  33
  34 const struct cmd_entry cmd_choose_window_entry = {
  35         "choose-window", NULL,
  36         "t:", 0, 1,
  37         CMD_TARGET_WINDOW_USAGE " [template]",
  38         0,
  39         NULL,
  40         NULL,
  41         cmd_choose_window_exec
  42 };
  43
  44 struct cmd_choose_window_data {
  45         struct client   *client;
  46         struct session  *session;
  47         char            *template;
  48 };
  49
  50 int
  51 cmd_choose_window_exec(struct cmd *self, struct cmd_ctx *ctx)
  52 {
  53         struct args                     *args = self->args;
  54         struct cmd_choose_window_data   *cdata;
  55         struct session                  *s;
  56         struct winlink                  *wl, *wm;
  57         struct window                   *w;
  58         u_int                            idx, cur;
  59         char                            *flags, *title;
  60         const char                      *left, *right;
  61
  62         if (ctx->curclient == NULL) {
  63                 ctx->error(ctx, "must be run interactively");
  64                 return (-1);
  65         }
  66         s = ctx->curclient->session;
  67
  68         if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
  69                 return (-1);
  70
  71         if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
  72                 return (0);
  73
  74         cur = idx = 0;
  75         RB_FOREACH(wm, winlinks, &s->windows) {
  76                 w = wm->window;
  77
  78                 if (wm == s->curw)
  79                         cur = idx;
  80                 idx++;
  81
  82                 flags = window_printable_flags(s, wm);
  83                 title = w->active->screen->title;
  84                 if (wm == wl)
  85                         title = w->active->base.title;
  86                 left = " \"";
  87                 right = "\"";
  88                 if (*title == '\0')
  89                         left = right = "";
  90
  91                 window_choose_add(wl->window->active,
  92                     wm->idx, "%3d: %s%s [%ux%u] (%u panes%s)%s%s%s",
  93                     wm->idx, w->name, flags, w->sx, w->sy, window_count_panes(w),
  94                     w->active->fd == -1 ? ", dead" : "",
  95                     left, title, right);
  96
  97                 xfree(flags);
  98         }
  99
 100         cdata = xmalloc(sizeof *cdata);
 101         if (args->argc != 0)
 102                 cdata->template = xstrdup(args->argv[0]);
 103         else
 104                 cdata->template = xstrdup("select-window -t '%%'");
 105         cdata->session = s;
 106         cdata->session->references++;
 107         cdata->client = ctx->curclient;
 108         cdata->client->references++;
 109
 110         window_choose_ready(wl->window->active,
 111             cur, cmd_choose_window_callback, cmd_choose_window_free, cdata);
 112
 113         return (0);
 114 }
 115
 116 void
 117 cmd_choose_window_callback(void *data, int idx)
 118 {
 119         struct cmd_choose_window_data   *cdata = data;
 120         struct session                  *s = cdata->session;
 121         struct cmd_list                 *cmdlist;
 122         struct cmd_ctx                   ctx;
 123         char                            *target, *template, *cause;
 124
 125         if (idx == -1)
 126                 return;
 127         if (!session_alive(s))
 128                 return;
 129         if (cdata->client->flags & CLIENT_DEAD)
 130                 return;
 131
 132         xasprintf(&target, "%s:%d", s->name, idx);
 133         template = cmd_template_replace(cdata->template, target, 1);
 134         xfree(target);
 135
 136         if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
 137                 if (cause != NULL) {
 138                         *cause = toupper((u_char) *cause);
 139                         status_message_set(cdata->client, "%s", cause);
 140                         xfree(cause);
 141                 }
 142                 xfree(template);
 143                 return;
 144         }
 145         xfree(template);
 146
 147         ctx.msgdata = NULL;
 148         ctx.curclient = cdata->client;
 149
 150         ctx.error = key_bindings_error;
 151         ctx.print = key_bindings_print;
 152         ctx.info = key_bindings_info;
 153
 154         ctx.cmdclient = NULL;
 155
 156         cmd_list_exec(cmdlist, &ctx);
 157         cmd_list_free(cmdlist);
 158 }
 159
 160 void
 161 cmd_choose_window_free(void *data)
 162 {
 163         struct cmd_choose_window_data   *cdata = data;
 164
 165         cdata->session->references--;
 166         cdata->client->references--;
 167         xfree(cdata->template);
 168         xfree(cdata);
 169 }