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Annotation of src/usr.bin/tmux/names.c, Revision 1.25

1.25    ! nicm        1: /* $OpenBSD: names.c,v 1.24 2015/02/05 10:29:43 nicm Exp $ */
1.1       nicm        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: #include <libgen.h>
1.16      nicm       23: #include <stdlib.h>
1.1       nicm       24: #include <string.h>
                     25:
                     26: #include "tmux.h"
                     27:
1.21      nicm       28: void    window_name_callback(unused int, unused short, void *);
1.1       nicm       29:
                     30: void
1.9       nicm       31: queue_window_name(struct window *w)
1.1       nicm       32: {
1.9       nicm       33:        struct timeval  tv;
1.1       nicm       34:
1.9       nicm       35:        tv.tv_sec = 0;
                     36:        tv.tv_usec = NAME_INTERVAL * 1000L;
1.1       nicm       37:
1.13      nicm       38:        if (event_initialized(&w->name_timer))
                     39:                evtimer_del(&w->name_timer);
1.9       nicm       40:        evtimer_set(&w->name_timer, window_name_callback, w);
                     41:        evtimer_add(&w->name_timer, &tv);
                     42: }
1.5       nicm       43:
1.9       nicm       44: void
                     45: window_name_callback(unused int fd, unused short events, void *data)
                     46: {
                     47:        struct window   *w = data;
1.22      nicm       48:        char            *name;
1.17      nicm       49:
                     50:        if (w->active == NULL)
                     51:                return;
1.25    ! nicm       52:
        !            53:        if (~w->active->flags & PANE_CHANGED)
        !            54:                return;
        !            55:        w->active->flags &= ~PANE_CHANGED;
1.1       nicm       56:
1.15      nicm       57:        if (!options_get_number(&w->options, "automatic-rename")) {
                     58:                if (event_initialized(&w->name_timer))
                     59:                        event_del(&w->name_timer);
                     60:                return;
                     61:        }
                     62:        queue_window_name(w);
1.9       nicm       63:
1.22      nicm       64:        name = format_window_name(w);
                     65:        if (strcmp(name, w->name) != 0) {
                     66:                window_set_name(w, name);
1.9       nicm       67:                server_status_window(w);
1.1       nicm       68:        }
1.22      nicm       69:        free(name);
1.1       nicm       70: }
                     71:
                     72: char *
                     73: default_window_name(struct window *w)
                     74: {
1.23      nicm       75:        char    *cmd, *s;
                     76:
                     77:        cmd = cmd_stringify_argv(w->active->argc, w->active->argv);
                     78:        if (cmd != NULL && *cmd != '\0')
                     79:                s = parse_window_name(cmd);
                     80:        else
                     81:                s = parse_window_name(w->active->shell);
                     82:        free(cmd);
                     83:        return (s);
1.1       nicm       84: }
                     85:
                     86: char *
1.22      nicm       87: format_window_name(struct window *w)
                     88: {
                     89:        struct format_tree      *ft;
                     90:        char                    *fmt, *name;
                     91:
                     92:        ft = format_create();
1.24      nicm       93:        format_defaults_window(ft, w);
                     94:        format_defaults_pane(ft, w->active);
1.22      nicm       95:
                     96:        fmt = options_get_string(&w->options, "automatic-rename-format");
                     97:        name = format_expand(ft, fmt);
                     98:
                     99:        format_free(ft);
                    100:        return (name);
                    101: }
                    102:
                    103: char *
1.21      nicm      104: parse_window_name(const char *in)
1.1       nicm      105: {
1.21      nicm      106:        char    *copy, *name, *ptr;
1.1       nicm      107:
                    108:        name = copy = xstrdup(in);
1.21      nicm      109:        if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
                    110:                name = name + (sizeof "exec ") - 1;
1.1       nicm      111:
1.22      nicm      112:        while (*name == ' ' || *name == '-')
1.1       nicm      113:                name++;
                    114:        if ((ptr = strchr(name, ' ')) != NULL)
                    115:                *ptr = '\0';
                    116:
                    117:        if (*name != '\0') {
                    118:                ptr = name + strlen(name) - 1;
1.2       ray       119:                while (ptr > name && !isalnum((u_char)*ptr))
1.1       nicm      120:                        *ptr-- = '\0';
                    121:        }
                    122:
                    123:        if (*name == '/')
                    124:                name = basename(name);
                    125:        name = xstrdup(name);
1.16      nicm      126:        free(copy);
1.1       nicm      127:        return (name);
                    128: }