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         CMD_TARGET_WINDOW_USAGE " [template]",
  37         CMD_ARG01, "",
  38         cmd_target_init,
  39         cmd_target_parse,
  40         cmd_choose_window_exec,
  41         cmd_target_free,
  42         cmd_target_print
  43 };
  44
  45 struct cmd_choose_window_data {
  46         struct client   *client;
  47         struct session  *session;
  48         char            *template;
  49 };
  50
  51 int
  52 cmd_choose_window_exec(struct cmd *self, struct cmd_ctx *ctx)
  53 {
  54         struct cmd_target_data          *data = self->data;
  55         struct cmd_choose_window_data   *cdata;
  56         struct session                  *s;
  57         struct winlink                  *wl, *wm;
  58         struct window                   *w;
  59         u_int                            idx, cur;
  60         char                             flag, *title;
  61         const char                      *left, *right;
  62
  63         if (ctx->curclient == NULL) {
  64                 ctx->error(ctx, "must be run interactively");
  65                 return (-1);
  66         }
  67         s = ctx->curclient->session;
  68
  69         if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
  70                 return (-1);
  71
  72         if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
  73                 return (0);
  74
  75         cur = idx = 0;
  76         RB_FOREACH(wm, winlinks, &s->windows) {
  77                 w = wm->window;
  78
  79                 if (wm == s->curw)
  80                         cur = idx;
  81                 idx++;
  82
  83                 flag = ' ';
  84                 if (wm->flags & WINLINK_ACTIVITY)
  85                         flag = '#';
  86                 else if (wm->flags & WINLINK_BELL)
  87                         flag = '!';
  88                 else if (wm->flags & WINLINK_CONTENT)
  89                         flag = '+';
  90                 else if (wm == s->curw)
  91                         flag = '*';
  92                 else if (wm == TAILQ_FIRST(&s->lastw))
  93                         flag = '-';
  94
  95                 title = w->active->screen->title;
  96                 if (wm == wl)
  97                         title = w->active->base.title;
  98                 left = " \"";
  99                 right = "\"";
 100                 if (*title == '\0')
 101                         left = right = "";
 102
 103                 window_choose_add(wl->window->active,
 104                     wm->idx, "%3d: %s%c [%ux%u] (%u panes%s)%s%s%s",
 105                     wm->idx, w->name, flag, w->sx, w->sy, window_count_panes(w),
 106                     w->active->fd == -1 ? ", dead" : "",
 107                     left, title, right);
 108         }
 109
 110         cdata = xmalloc(sizeof *cdata);
 111         if (data->arg != NULL)
 112                 cdata->template = xstrdup(data->arg);
 113         else
 114                 cdata->template = xstrdup("select-window -t '%%'");
 115         cdata->session = s;
 116         cdata->session->references++;
 117         cdata->client = ctx->curclient;
 118         cdata->client->references++;
 119
 120         window_choose_ready(wl->window->active,
 121             cur, cmd_choose_window_callback, cmd_choose_window_free, cdata);
 122
 123         return (0);
 124 }
 125
 126 void
 127 cmd_choose_window_callback(void *data, int idx)
 128 {
 129         struct cmd_choose_window_data   *cdata = data;
 130         struct cmd_list                 *cmdlist;
 131         struct cmd_ctx                   ctx;
 132         char                            *target, *template, *cause;
 133
 134         if (idx == -1)
 135                 return;
 136         if (cdata->client->flags & CLIENT_DEAD)
 137                 return;
 138         if (cdata->session->flags & SESSION_DEAD)
 139                 return;
 140         if (cdata->client->session != cdata->session)
 141                 return;
 142
 143         xasprintf(&target, "%s:%d", cdata->session->name, idx);
 144         template = cmd_template_replace(cdata->template, target, 1);
 145         xfree(target);
 146
 147         if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
 148                 if (cause != NULL) {
 149                         *cause = toupper((u_char) *cause);
 150                         status_message_set(cdata->client, "%s", cause);
 151                         xfree(cause);
 152                 }
 153                 xfree(template);
 154                 return;
 155         }
 156         xfree(template);
 157
 158         ctx.msgdata = NULL;
 159         ctx.curclient = cdata->client;
 160
 161         ctx.error = key_bindings_error;
 162         ctx.print = key_bindings_print;
 163         ctx.info = key_bindings_info;
 164
 165         ctx.cmdclient = NULL;
 166
 167         cmd_list_exec(cmdlist, &ctx);
 168         cmd_list_free(cmdlist);
 169 }
 170
 171 void
 172 cmd_choose_window_free(void *data)
 173 {
 174         struct cmd_choose_window_data   *cdata = data;
 175
 176         cdata->session->references--;
 177         cdata->client->references--;
 178         xfree(cdata->template);
 179         xfree(cdata);
 180 }