Sync OpenBSD patchset 147:

Add a status-justify option to allow the window list in the status line to be
positioned at the left, centre, or right.

cmd-set-option.c

@@ -1,4 +1,4 @@
-/* $Id: cmd-set-option.c,v 1.68 2009-07-19 14:35:56 tcunha Exp $ */
+/* $Id: cmd-set-option.c,v 1.69 2009-07-20 16:01:07 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -45,6 +45,9 @@ const struct cmd_entry cmd_set_option_entry = {
 const char *set_option_status_keys_list[] = {
 	"emacs", "vi", NULL
 };
+const char *set_option_status_justify_list[] = {
+	"left", "centre", "right", NULL
+};
 const char *set_option_bell_action_list[] = {
 	"none", "any", "current", NULL
 };
@@ -69,6 +72,8 @@ const struct set_option_entry set_option_table[] = {
 	{ "status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
 	{ "status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
 	{ "status-interval", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
+	{ "status-justify", 
+	  SET_OPTION_CHOICE, 0, 0, set_option_status_justify_list },
 	{ "status-keys", SET_OPTION_CHOICE, 0, 0, set_option_status_keys_list },
 	{ "status-left", SET_OPTION_STRING, 0, 0, NULL },
 	{ "status-left-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },

status.c

@@ -1,4 +1,4 @@
-/* $Id: status.c,v 1.99 2009-07-20 15:57:05 tcunha Exp $ */
+/* $Id: status.c,v 1.100 2009-07-20 16:01:07 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -46,7 +46,7 @@ status_redraw(struct client *c)
 	struct screen		      	old_status;
 	char		 	       *left, *right, *text, *ptr;
 	size_t				llen, llen2, rlen, rlen2, offset;
-	size_t				xx, yy, size, start, width;
+	size_t				ox, xx, yy, size, start, width;
 	struct grid_cell	        stdgc, gc;
 	int				larrow, rarrow, utf8flag;
 
@@ -175,6 +175,21 @@ draw:
 			screen_write_cursormove(&ctx, 0, yy);
 	}
 
+	ox = 0;
+	if (width < xx) {
+		switch (options_get_number(&s->options, "status-justify")) {
+		case 1:	/* centered */
+			ox = 1 + (xx - width) / 2;
+			break;
+		case 2:	/* right */
+			ox = 1 + (xx - width);
+			break;
+		}
+		xx -= ox;
+		while (ox-- > 0)
+			screen_write_putc(&ctx, &stdgc, ' ');
+	}
+
 	/* Draw each character in succession. */
 	offset = 0;
 	RB_FOREACH(wl, winlinks, &s->windows) {

tmux.1

@@ -1,4 +1,4 @@
-.\" $Id: tmux.1,v 1.126 2009-07-20 15:57:05 tcunha Exp $
+.\" $Id: tmux.1,v 1.127 2009-07-20 16:01:07 tcunha Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 .\"
@@ -1262,6 +1262,11 @@ Update the status bar every
 seconds.
 By default, updates will occur every 15 seconds.
 A setting of zero disables redrawing at interval.
+.It Xo Ic status-justify
+.Op Ic left | Ic centre | Ic right
+.Xc
+Set the position of the window list component of the status line: left, centre
+or right justified.
 .It Xo Ic status-keys
 .Op Ic vi | Ic emacs
 .Xc

tmux.c

@@ -1,4 +1,4 @@
-/* $Id: tmux.c,v 1.145 2009-07-20 15:57:05 tcunha Exp $ */
+/* $Id: tmux.c,v 1.146 2009-07-20 16:01:07 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -312,6 +312,7 @@ main(int argc, char **argv)
 	options_set_number(&global_s_options, "status-fg", 0);
 	options_set_number(&global_s_options, "status-interval", 15);
 	options_set_number(&global_s_options, "status-keys", MODEKEY_EMACS);
+	options_set_number(&global_s_options, "status-justify", 0);
 	options_set_number(&global_s_options, "status-left-length", 10);
 	options_set_number(&global_s_options, "status-right-length", 40);
 	options_set_string(&global_s_options, "status-left", "[#S]");