diff options
Diffstat (limited to 'names.c')
| -rw-r--r-- | names.c | 172 |
1 files changed, 172 insertions, 0 deletions
@@ -0,0 +1,172 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/types.h> + +#include <ctype.h> +#include <libgen.h> +#include <stdlib.h> +#include <string.h> + +#include "tmux.h" + +static void name_time_callback(int, short, void *); +static int name_time_expired(struct window *, struct timeval *); + +static char *format_window_name(struct window *); + +static void +name_time_callback(__unused int fd, __unused short events, void *arg) +{ + struct window *w = arg; + + /* The event loop will call check_window_name for us on the way out. */ + log_debug("@%u name timer expired", w->id); +} + +static int +name_time_expired(struct window *w, struct timeval *tv) +{ + struct timeval offset; + + timersub(tv, &w->name_time, &offset); + if (offset.tv_sec != 0 || offset.tv_usec > NAME_INTERVAL) + return (0); + return (NAME_INTERVAL - offset.tv_usec); +} + +void +check_window_name(struct window *w) +{ + struct timeval tv, next; + char *name; + int left; + + if (w->active == NULL) + return; + + if (!options_get_number(w->options, "automatic-rename")) + return; + + if (~w->active->flags & PANE_CHANGED) { + log_debug("@%u active pane not changed", w->id); + return; + } + log_debug("@%u active pane changed", w->id); + + gettimeofday(&tv, NULL); + left = name_time_expired(w, &tv); + if (left != 0) { + if (!event_initialized(&w->name_event)) + evtimer_set(&w->name_event, name_time_callback, w); + if (!evtimer_pending(&w->name_event, NULL)) { + log_debug("@%u name timer queued (%d left)", w->id, + left); + timerclear(&next); + next.tv_usec = left; + event_add(&w->name_event, &next); + } else { + log_debug("@%u name timer already queued (%d left)", + w->id, left); + } + return; + } + memcpy(&w->name_time, &tv, sizeof w->name_time); + if (event_initialized(&w->name_event)) + evtimer_del(&w->name_event); + + w->active->flags &= ~PANE_CHANGED; + + name = format_window_name(w); + if (strcmp(name, w->name) != 0) { + log_debug("@%u new name %s (was %s)", w->id, name, w->name); + window_set_name(w, name); + server_redraw_window_borders(w); + server_status_window(w); + } else + log_debug("@%u name not changed (still %s)", w->id, w->name); + + free(name); +} + +char * +default_window_name(struct window *w) +{ + char *cmd, *s; + + if (w->active == NULL) + return (xstrdup("")); + cmd = cmd_stringify_argv(w->active->argc, w->active->argv); + if (cmd != NULL && *cmd != '\0') + s = parse_window_name(cmd); + else + s = parse_window_name(w->active->shell); + free(cmd); + return (s); +} + +static char * +format_window_name(struct window *w) +{ + struct format_tree *ft; + const char *fmt; + char *name; + + ft = format_create(NULL, NULL, FORMAT_WINDOW|w->id, 0); + format_defaults_window(ft, w); + format_defaults_pane(ft, w->active); + + fmt = options_get_string(w->options, "automatic-rename-format"); + name = format_expand(ft, fmt); + + format_free(ft); + return (name); +} + +char * +parse_window_name(const char *in) +{ + char *copy, *name, *ptr; + + name = copy = xstrdup(in); + if (*name == '"') + name++; + name[strcspn(name, "\"")] = '\0'; + + if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0) + name = name + (sizeof "exec ") - 1; + + while (*name == ' ' || *name == '-') + name++; + if ((ptr = strchr(name, ' ')) != NULL) + *ptr = '\0'; + + if (*name != '\0') { + ptr = name + strlen(name) - 1; + while (ptr > name && + !isalnum((u_char)*ptr) && + !ispunct((u_char)*ptr)) + *ptr-- = '\0'; + } + + if (*name == '/') + name = basename(name); + name = xstrdup(name); + free(copy); + return (name); +} |