- New command display-message (alias display) to display a message in the

status line (bound to "i" by default).
- Add support for including the window index, pane index, and window name
  in status-left, or status-right.
- Bump protocol version.

TODO

@@ -97,7 +97,6 @@
 - is utf8 a valid charset in LANG? also check for "unicode" in TERM
 - what about utmp etc? can tmux update it like screen? setgid?
 - option to show bells visually
-- window-status command to show current window info in status line
 - H/M/L commands in copy mode with vi-keys, for jumping to the top/middle/last line on the screen
 - if the server is started with IDENTIFY_UTF8 then set the global utf8 option?
 - I think there are potential leaks in the prompt code if a new prompt is created without the

cmd-display-message.c

@@ -0,0 +1,65 @@
+/* $Id: cmd-display-message.c,v 1.1 2009-07-17 18:32:54 tcunha Exp $ */
+
+/*
+ * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
+ *
+ * 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 <time.h>
+
+#include "tmux.h"
+
+/*
+ * Displays a message in the status line.
+ */
+
+int	cmd_display_message_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_display_message_entry = {
+	"display-message", "display",
+	CMD_TARGET_CLIENT_USAGE " [message]",
+	CMD_ARG01, 0,
+	cmd_target_init,
+	cmd_target_parse,
+	cmd_display_message_exec,
+	cmd_target_send,
+	cmd_target_recv,
+	cmd_target_free,
+	cmd_target_print
+};
+
+int
+cmd_display_message_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_target_data	*data = self->data;
+	struct client		*c;
+	const char		*template;
+	char			*msg;
+
+	if ((c = cmd_find_client(ctx, data->target)) == NULL)
+		return (-1);
+
+	if (data->arg == NULL)
+		template = "[#S] #I:#W, current pane #P - (%H:%M %d-%b-%y)";
+	else
+		template = data->arg;
+
+	msg = status_replace(c->session, template, time(NULL));
+	status_message_set(c, "%s", msg);
+	xfree(msg);
+
+	return (0);
+}

cmd.c

@@ -1,4 +1,4 @@
-/* $Id: cmd.c,v 1.104 2009-07-17 15:56:46 nicm Exp $ */
+/* $Id: cmd.c,v 1.105 2009-07-17 18:32:54 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -41,6 +41,7 @@ const struct cmd_entry *cmd_table[] = {
 	&cmd_copy_mode_entry,
 	&cmd_delete_buffer_entry,
 	&cmd_detach_client_entry,
+	&cmd_display_message_entry,
 	&cmd_down_pane_entry,
 	&cmd_find_window_entry,
 	&cmd_has_session_entry,

examples/tmux.vim

@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language: tmux(1) configuration file
 " Maintainer: Tiago Cunha <me@tiagocunha.org>
-" Last Change: $Date: 2009-07-13 18:29:28 $
+" Last Change: $Date: 2009-07-17 18:32:54 $
 
 if version < 600
 	syntax clear
@@ -37,6 +37,7 @@ syn keyword tmuxCmds choose-window loadb load-buffer copyb copy-buffer suspendc
 syn keyword tmuxCmds suspend-client findw find-window breakp break-pane nextl
 syn keyword tmuxCmds next-layout rotatew rotate-window confirm[-before]
 syn keyword tmuxCmds clearhist clear-history selectl select-layout if[-shell]
+syn keyword tmuxCmds display[-message]
 
 syn keyword tmuxOptsSet prefix status status-fg status-bg bell-action
 syn keyword tmuxOptsSet default-command history-limit status-left status-right

key-bindings.c

@@ -1,4 +1,4 @@
-/* $Id: key-bindings.c,v 1.74 2009-07-15 17:50:11 nicm Exp $ */
+/* $Id: key-bindings.c,v 1.75 2009-07-17 18:32:54 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -119,6 +119,7 @@ key_bindings_init(void)
 		{ 'c', 			  0, &cmd_new_window_entry },
 		{ 'd', 			  0, &cmd_detach_client_entry },
 		{ 'f', 			  0, &cmd_command_prompt_entry },
+		{ 'i',			  0, &cmd_display_message_entry },
 		{ 'l', 			  0, &cmd_last_window_entry },
 		{ 'n', 			  0, &cmd_next_window_entry },
 		{ 'o', 			  0, &cmd_down_pane_entry },

status.c

@@ -1,4 +1,4 @@
-/* $Id: status.c,v 1.97 2009-07-17 09:26:21 nicm Exp $ */
+/* $Id: status.c,v 1.98 2009-07-17 18:32:54 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -29,7 +29,6 @@
 
 #include "tmux.h"
 
-char   *status_replace(struct session *, char *, time_t);
 char   *status_replace_popen(char **);
 size_t	status_width(struct winlink *);
 char   *status_print(struct session *, struct winlink *, struct grid_cell *);
@@ -275,7 +274,7 @@ out:
 }
 
 char *
-status_replace(struct session *s, char *fmt, time_t t)
+status_replace(struct session *s, const char *fmt, time_t t)
 {
 	struct winlink *wl = s->curw;
 	static char	out[BUFSIZ];
@@ -323,6 +322,20 @@ status_replace(struct session *s, char *fmt, time_t t)
 					ptr = tmp;
 				}
 				/* FALLTHROUGH */
+			case 'I':
+				if (ptr == NULL) {
+					xsnprintf(tmp, sizeof tmp, "%d", wl->idx);
+					ptr = tmp;
+				}
+				/* FALLTHROUGH */
+			case 'P':
+				if (ptr == NULL) {
+					xsnprintf(tmp, sizeof tmp, "%u",
+						  window_pane_index(wl->window,
+						  wl->window->active));
+					ptr = tmp;
+				}
+				/* FALLTHOUGH */
 			case 'S':
 				if (ptr == NULL)
 					ptr = s->name;
@@ -330,6 +343,10 @@ status_replace(struct session *s, char *fmt, time_t t)
 			case 'T':
 				if (ptr == NULL)
 					ptr = wl->window->active->base.title;
+				/* FALLTHROUGH */
+			case 'W':
+				if (ptr == NULL)
+					ptr = wl->window->name;
 				len = strlen(ptr);
 				if ((size_t) n < len)
 					len = n;

tmux.1

@@ -1,4 +1,4 @@
-.\" $Id: tmux.1,v 1.117 2009-07-17 07:45:42 nicm Exp $
+.\" $Id: tmux.1,v 1.118 2009-07-17 18:32:54 tcunha Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 .\"
@@ -703,6 +703,15 @@ or the top buffer if not specified.
 .D1 (alias: Ic detach )
 Detach the current client if bound to a key, or the specified client with
 .Fl t .
+.It Xo Ic display-message
+.Op Fl t Ar target-client
+.Op Ar message
+.Xc
+.D1 (alias: Ic display )
+Display a message (see the
+.Ic status-left
+option below)
+in the status line.
 .It Xo Ic down-pane
 .Op Fl p Ar pane-index
 .Op Fl t Ar target-window
@@ -1248,8 +1257,11 @@ may contain any of the following special character pairs:
 .It Sy "Character pair" Ta Sy "Replaced with"
 .It Li "#(command)" Ta "First line of command's output"
 .It Li "#H" Ta "Hostname of local host"
+.It Li "#I" Ta "Current window index"
+.It Li "#P" Ta "Current pane index"
 .It Li "#S" Ta "Session name"
 .It Li "#T" Ta "Current window title"
+.It Li "#W" Ta "Current window name"
 .It Li "##" Ta "A literal" Ql #
 .El
 .Pp

tmux.h

@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.368 2009-07-17 12:12:54 nicm Exp $ */
+/* $Id: tmux.h,v 1.369 2009-07-17 18:32:54 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -21,7 +21,7 @@
 
 #include "config.h"
 
-#define PROTOCOL_VERSION -13
+#define PROTOCOL_VERSION -14
 
 #include <sys/param.h>
 #include <sys/time.h>
@@ -1099,6 +1099,7 @@ extern const struct cmd_entry cmd_copy_buffer_entry;
 extern const struct cmd_entry cmd_copy_mode_entry;
 extern const struct cmd_entry cmd_delete_buffer_entry;
 extern const struct cmd_entry cmd_detach_client_entry;
+extern const struct cmd_entry cmd_display_message_entry;
 extern const struct cmd_entry cmd_down_pane_entry;
 extern const struct cmd_entry cmd_find_window_entry;
 extern const struct cmd_entry cmd_has_session_entry;
@@ -1275,6 +1276,7 @@ int	 server_unlock(const char *);
 
 /* status.c */
 int	 status_redraw(struct client *);
+char	*status_replace(struct session *, const char *, time_t);
 void printflike2 status_message_set(struct client *, const char *, ...);
 void	 status_message_clear(struct client *);
 int	 status_message_redraw(struct client *);
@@ -1436,6 +1438,7 @@ struct window_pane *window_add_pane(struct window *, int,
 		     const char *, const char *, const char **, u_int, char **);
 void		 window_remove_pane(struct window *, struct window_pane *);
 struct window_pane *window_pane_at_index(struct window *, u_int);
+u_int		 window_pane_index(struct window *, struct window_pane *);
 u_int		 window_count_panes(struct window *);
 void		 window_destroy_panes(struct window *);
 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);

window.c

@@ -1,4 +1,4 @@
-/* $Id: window.c,v 1.93 2009-07-15 17:45:09 nicm Exp $ */
+/* $Id: window.c,v 1.94 2009-07-17 18:32:54 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -377,6 +377,21 @@ window_pane_at_index(struct window *w, u_int idx)
 	return (NULL);
 }
 
+u_int
+window_pane_index(struct window *w, struct window_pane *wp)
+{
+	struct window_pane	*wq;
+	u_int			 n;
+
+	n = 0;
+	TAILQ_FOREACH(wq, &w->panes, entry) {
+		if (wp == wq)
+			break;
+		n++;
+	}
+	return (n);
+}
+
 u_int
 window_count_panes(struct window *w)
 {