Annotation of src/usr.bin/tmux/names.c, Revision 1.33
1.33 ! nicm 1: /* $OpenBSD: names.c,v 1.32 2015/12/08 08:34:18 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:
1.29 nicm 28: void name_time_callback(int, short, void *);
29: int name_time_expired(struct window *, struct timeval *);
1.28 nicm 30:
1.1 nicm 31: void
1.31 nicm 32: name_time_callback(__unused int fd, __unused short events, void *arg)
1.1 nicm 33: {
1.29 nicm 34: struct window *w = arg;
1.28 nicm 35:
1.29 nicm 36: /* The event loop will call check_window_name for us on the way out. */
37: log_debug("@%u name timer expired", w->id);
38: }
39:
40: int
41: name_time_expired(struct window *w, struct timeval *tv)
42: {
43: struct timeval offset;
1.28 nicm 44:
1.29 nicm 45: timersub(tv, &w->name_time, &offset);
46: if (offset.tv_sec != 0 || offset.tv_usec > NAME_INTERVAL)
47: return (0);
48: return (NAME_INTERVAL - offset.tv_usec);
1.28 nicm 49: }
50:
51: void
1.29 nicm 52: check_window_name(struct window *w)
1.28 nicm 53: {
1.29 nicm 54: struct timeval tv, next;
1.28 nicm 55: char *name;
1.29 nicm 56: int left;
1.17 nicm 57:
58: if (w->active == NULL)
59: return;
1.25 nicm 60:
1.30 nicm 61: if (!options_get_number(w->options, "automatic-rename"))
1.29 nicm 62: return;
63:
64: if (~w->active->flags & PANE_CHANGED) {
65: log_debug("@%u active pane not changed", w->id);
1.15 nicm 66: return;
1.28 nicm 67: }
1.29 nicm 68: log_debug("@%u active pane changed", w->id);
1.26 nicm 69:
1.29 nicm 70: gettimeofday(&tv, NULL);
71: left = name_time_expired(w, &tv);
72: if (left != 0) {
73: if (!event_initialized(&w->name_event))
74: evtimer_set(&w->name_event, name_time_callback, w);
75: if (!evtimer_pending(&w->name_event, NULL)) {
76: log_debug("@%u name timer queued (%d left)", w->id, left);
77: timerclear(&next);
78: next.tv_usec = left;
79: event_add(&w->name_event, &next);
80: } else
81: log_debug("@%u name timer already queued (%d left)", w->id, left);
1.26 nicm 82: return;
1.29 nicm 83: }
84: memcpy(&w->name_time, &tv, sizeof w->name_time);
85: if (event_initialized(&w->name_event))
86: evtimer_del(&w->name_event);
87:
1.26 nicm 88: w->active->flags &= ~PANE_CHANGED;
1.9 nicm 89:
1.22 nicm 90: name = format_window_name(w);
91: if (strcmp(name, w->name) != 0) {
1.29 nicm 92: log_debug("@%u new name %s (was %s)", w->id, name, w->name);
1.22 nicm 93: window_set_name(w, name);
1.9 nicm 94: server_status_window(w);
1.29 nicm 95: } else
96: log_debug("@%u name not changed (still %s)", w->id, w->name);
97:
1.22 nicm 98: free(name);
1.1 nicm 99: }
100:
101: char *
102: default_window_name(struct window *w)
103: {
1.23 nicm 104: char *cmd, *s;
105:
106: cmd = cmd_stringify_argv(w->active->argc, w->active->argv);
107: if (cmd != NULL && *cmd != '\0')
108: s = parse_window_name(cmd);
109: else
110: s = parse_window_name(w->active->shell);
111: free(cmd);
112: return (s);
1.1 nicm 113: }
114:
115: char *
1.22 nicm 116: format_window_name(struct window *w)
117: {
118: struct format_tree *ft;
119: char *fmt, *name;
120:
1.33 ! nicm 121: ft = format_create(NULL, 0);
1.24 nicm 122: format_defaults_window(ft, w);
123: format_defaults_pane(ft, w->active);
1.22 nicm 124:
1.30 nicm 125: fmt = options_get_string(w->options, "automatic-rename-format");
1.22 nicm 126: name = format_expand(ft, fmt);
127:
128: format_free(ft);
129: return (name);
130: }
131:
132: char *
1.21 nicm 133: parse_window_name(const char *in)
1.1 nicm 134: {
1.21 nicm 135: char *copy, *name, *ptr;
1.1 nicm 136:
137: name = copy = xstrdup(in);
1.21 nicm 138: if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
139: name = name + (sizeof "exec ") - 1;
1.1 nicm 140:
1.22 nicm 141: while (*name == ' ' || *name == '-')
1.1 nicm 142: name++;
143: if ((ptr = strchr(name, ' ')) != NULL)
144: *ptr = '\0';
145:
146: if (*name != '\0') {
147: ptr = name + strlen(name) - 1;
1.2 ray 148: while (ptr > name && !isalnum((u_char)*ptr))
1.1 nicm 149: *ptr-- = '\0';
150: }
151:
152: if (*name == '/')
153: name = basename(name);
154: name = xstrdup(name);
1.16 nicm 155: free(copy);
1.1 nicm 156: return (name);
157: }