Adding upstream version 3.3a.upstream/3.3aupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 172 insertions, 0 deletions

diff --git a/names.c b/names.c
new file mode 100644
index 0000000..aeb6733
--- /dev/null
+++ b/names.c
@@ -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);
+}