Status bar left and right strings (set with status-left and status-right), and automatic update (at interval set by status-interval).

CHANGES

@@ -1,3 +1,12 @@
+04 June 2008
+
+* Strings to display on the left and right of the status bar may now be set
+  with the status-left and status-right options. These are passed through
+  strftime(3) before being displayed. The status bar is automatically updated
+  at an interval set by the status-interval option. The default is to display
+  nothing on the left and the date and time on the left; the default update
+  interval is 15 seconds.
+
 03 June 2008
 
 * Per session options. Setting options without specifying a session sets the
@@ -382,4 +391,4 @@
   (including mutt, emacs). No status bar yet and no key remapping or other
   customisation.
 
-$Id: CHANGES,v 1.103 2008-06-03 21:42:36 nicm Exp $
+$Id: CHANGES,v 1.104 2008-06-04 05:40:35 nicm Exp $

cmd-set-option.c

@@ -1,4 +1,4 @@
-/* $Id: cmd-set-option.c,v 1.19 2008-06-03 21:42:37 nicm Exp $ */
+/* $Id: cmd-set-option.c,v 1.20 2008-06-04 05:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -242,6 +242,18 @@ cmd_set_option_exec(void *ptr, unused struct cmd_ctx *ctx)
 			return;
 		}
 		options_set_number(oo, "history-limit", number);
+	} else if (strcmp(data->option, "status-left") == 0) {
+		if (data->value == NULL) {
+			ctx->error(ctx, "invalid value");
+			return;
+		}
+		options_set_string(oo, "status-left", "%s", data->value);
+	} else if (strcmp(data->option, "status-right") == 0) {
+		if (data->value == NULL) {
+			ctx->error(ctx, "invalid value");
+			return;
+		}
+		options_set_string(oo, "status-right", "%s", data->value);
 	} else {
 		ctx->error(ctx, "unknown option: %s", data->option);
 		return;

server.c

@@ -1,4 +1,4 @@
-/* $Id: server.c,v 1.49 2008-06-03 21:42:37 nicm Exp $ */
+/* $Id: server.c,v 1.50 2008-06-04 05:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -163,7 +163,7 @@ server_main(const char *srv_path, int srv_fd)
 
 		/* Do the poll. */
 		log_debug("polling %d fds", nfds);
-		if ((nfds = poll(pfds, nfds, INFTIM)) == -1) {
+		if ((nfds = poll(pfds, nfds, 500)) == -1) {
 			if (errno == EAGAIN || errno == EINTR)
 				continue;
 			fatal("poll failed");
@@ -290,11 +290,21 @@ void
 server_handle_clients(struct pollfd **pfd)
 {
 	struct client	*c;
+	struct timespec	 now;
 	u_int		 i;
 
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		c = ARRAY_ITEM(&clients, i);
 
+		/* XXX REDRAW FLAGS */
+		if (c->session != NULL && options_get_number(
+		    &c->session->options, "status-lines") != 0) {
+			if (clock_gettime(CLOCK_REALTIME, &now) != 0)
+				fatal("clock_gettime");
+			if (timespeccmp(&now, &c->status_ts, >))
+				server_status_client(c);
+		}
+
 		if (c != NULL) {
 			log_debug("testing client %d (%d)", (*pfd)->fd, c->fd);
 			if (buffer_poll(*pfd, c->in, c->out) != 0) {

status.c

@@ -1,4 +1,4 @@
-/* $Id: status.c,v 1.19 2008-06-03 21:42:37 nicm Exp $ */
+/* $Id: status.c,v 1.20 2008-06-04 05:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -17,8 +17,10 @@
  */
 
 #include <sys/types.h>
+#include <sys/time.h>
 
 #include <stdarg.h>
+#include <string.h>
 
 #include "tmux.h"
 
@@ -29,7 +31,9 @@ status_write_client(struct client *c)
 {
 	struct screen_redraw_ctx	ctx;
 	struct winlink	       	       *wl;
-	char				flag;
+	char				flag, *left, *right;
+	char			        lbuf[BUFSIZ], rbuf[BUFSIZ];
+	size_t				llen, rlen;
 	u_char				scolour;
 	u_int				slines;
 
@@ -38,8 +42,21 @@ status_write_client(struct client *c)
 	if (slines == 0 || c->sy <= slines)
 		return;
 
+	if (clock_gettime(CLOCK_REALTIME, &c->status_ts) != 0)
+		fatal("clock_gettime");
+
+	left = options_get_string(&c->session->options, "status-left");
+	strftime(lbuf, sizeof lbuf, left, localtime(&(c->status_ts.tv_sec)));
+	llen = strlen(lbuf) + 1;
+	right = options_get_string(&c->session->options, "status-right");
+	strftime(rbuf, sizeof rbuf, right, localtime(&(c->status_ts.tv_sec)));
+	rlen = strlen(rbuf) + 1;
+
+	c->status_ts.tv_sec += 
+	    options_get_number(&c->session->options, "status-interval");
+
 	screen_redraw_start_client(&ctx, c);
-	screen_redraw_move_cursor(&ctx, 0, c->sy - slines);
+	screen_redraw_move_cursor(&ctx, llen, c->sy - slines);
 	screen_redraw_set_attributes(&ctx, 0, scolour);
 
 	RB_FOREACH(wl, winlinks, &c->session->windows) {
@@ -53,14 +70,21 @@ status_write_client(struct client *c)
 		screen_redraw_write_string(
 		    &ctx, "%d:%s%c ", wl->idx, wl->window->name, flag);
 
-		if (ctx.s->cx > screen_last_x(ctx.s))
+		if (ctx.s->cx > screen_size_x(ctx.s) - rlen)
 			break;
 	}
-	while (ctx.s->cx < screen_size_x(ctx.s)) {
+	while (ctx.s->cx < screen_size_x(ctx.s) - rlen) {
 		ctx.write(ctx.data, TTY_CHARACTER, ' ');
 		ctx.s->cx++;
 	}
 
+	screen_redraw_move_cursor(&ctx, 0, c->sy - slines);
+	screen_redraw_write_string(&ctx, "%s ", lbuf);
+
+	screen_redraw_move_cursor(
+	    &ctx, screen_size_x(ctx.s) - rlen, c->sy - slines);
+	screen_redraw_write_string(&ctx, " %s", rbuf);
+
 	screen_redraw_stop(&ctx);
 }
 

tmux.c

@@ -1,4 +1,4 @@
-/* $Id: tmux.c,v 1.51 2008-06-03 21:42:37 nicm Exp $ */
+/* $Id: tmux.c,v 1.52 2008-06-04 05:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -204,6 +204,10 @@ main(int argc, char **argv)
 	options_set_number(&global_options, "bell-action", BELL_ANY);
 	options_set_number(&global_options, "history-limit", 2000);
 	options_set_number(&global_options, "prefix-key", META);
+	options_set_string(&global_options, "status-left", "");
+	options_set_string(
+	    &global_options, "status-right", "%%H:%%M %%d-%%b-%%y");
+	options_set_number(&global_options, "status-interval", 15);
 
 	paste_buffer = NULL;
 

tmux.h

@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.125 2008-06-03 21:42:37 nicm Exp $ */
+/* $Id: tmux.h,v 1.126 2008-06-04 05:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -619,6 +619,7 @@ struct client {
 	struct buffer	*out;
 
 	struct tty 	 tty;
+	struct timespec	 status_ts;
 
 	u_int		 sx;
 	u_int		 sy;