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/* $OpenBSD: names.c,v 1.41 2017/07/21 12:58:02 nicm Exp $ */ |
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/* |
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* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <ctype.h> |
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#include <libgen.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "tmux.h" |
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static void name_time_callback(int, short, void *); |
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static int name_time_expired(struct window *, struct timeval *); |
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static char *format_window_name(struct window *); |
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static void |
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name_time_callback(__unused int fd, __unused short events, void *arg) |
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{ |
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struct window *w = arg; |
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/* The event loop will call check_window_name for us on the way out. */ |
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log_debug("@%u name timer expired", w->id); |
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} |
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static int |
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name_time_expired(struct window *w, struct timeval *tv) |
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{ |
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struct timeval offset; |
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timersub(tv, &w->name_time, &offset); |
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if (offset.tv_sec != 0 || offset.tv_usec > NAME_INTERVAL) |
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return (0); |
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return (NAME_INTERVAL - offset.tv_usec); |
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} |
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void |
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check_window_name(struct window *w) |
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{ |
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struct timeval tv, next; |
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char *name; |
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int left; |
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if (w->active == NULL) |
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return; |
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if (!options_get_number(w->options, "automatic-rename")) |
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return; |
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if (~w->active->flags & PANE_CHANGED) { |
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log_debug("@%u active pane not changed", w->id); |
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return; |
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} |
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log_debug("@%u active pane changed", w->id); |
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gettimeofday(&tv, NULL); |
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left = name_time_expired(w, &tv); |
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if (left != 0) { |
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if (!event_initialized(&w->name_event)) |
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evtimer_set(&w->name_event, name_time_callback, w); |
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if (!evtimer_pending(&w->name_event, NULL)) { |
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log_debug("@%u name timer queued (%d left)", w->id, |
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left); |
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timerclear(&next); |
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next.tv_usec = left; |
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event_add(&w->name_event, &next); |
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} else { |
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log_debug("@%u name timer already queued (%d left)", |
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w->id, left); |
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} |
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return; |
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} |
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memcpy(&w->name_time, &tv, sizeof w->name_time); |
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if (event_initialized(&w->name_event)) |
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evtimer_del(&w->name_event); |
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w->active->flags &= ~PANE_CHANGED; |
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name = format_window_name(w); |
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if (strcmp(name, w->name) != 0) { |
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log_debug("@%u new name %s (was %s)", w->id, name, w->name); |
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window_set_name(w, name); |
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server_status_window(w); |
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} else |
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log_debug("@%u name not changed (still %s)", w->id, w->name); |
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free(name); |
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} |
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char * |
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default_window_name(struct window *w) |
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{ |
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char *cmd, *s; |
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cmd = cmd_stringify_argv(w->active->argc, w->active->argv); |
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if (cmd != NULL && *cmd != '\0') |
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s = parse_window_name(cmd); |
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else |
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s = parse_window_name(w->active->shell); |
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free(cmd); |
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return (s); |
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} |
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static char * |
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format_window_name(struct window *w) |
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{ |
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struct format_tree *ft; |
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const char *fmt; |
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char *name; |
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ft = format_create(NULL, NULL, FORMAT_WINDOW|w->id, 0); |
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format_defaults_window(ft, w); |
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format_defaults_pane(ft, w->active); |
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fmt = options_get_string(w->options, "automatic-rename-format"); |
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name = format_expand(ft, fmt); |
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format_free(ft); |
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return (name); |
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} |
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char * |
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parse_window_name(const char *in) |
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{ |
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char *copy, *name, *ptr; |
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name = copy = xstrdup(in); |
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if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0) |
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name = name + (sizeof "exec ") - 1; |
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while (*name == ' ' || *name == '-') |
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name++; |
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if ((ptr = strchr(name, ' ')) != NULL) |
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*ptr = '\0'; |
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if (*name != '\0') { |
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ptr = name + strlen(name) - 1; |
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while (ptr > name && |
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!isalnum((u_char)*ptr) && |
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!ispunct((u_char)*ptr)) |
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*ptr-- = '\0'; |
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} |
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if (*name == '/') |
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name = basename(name); |
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name = xstrdup(name); |
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free(copy); |
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return (name); |
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} |