From 9ac062acef348331e768db82554a214860b348af Mon Sep 17 00:00:00 2001
From: Tiago Cunha <tcunha@gmx.com>
Date: Fri, 9 Oct 2009 13:07:04 +0000
Subject: [PATCH] Sync OpenBSD patchset 367:

Add a simple synchronize-panes window option: when set, all input to any pane
that is part of the window is also sent to all other panes in the same
window. Suggested by several, most recently Tomasz Pajor.
---
 cmd-set-window-option.c |  3 ++-
 tmux.1                  |  9 +++++++--
 tmux.c                  |  3 ++-
 window.c                | 18 +++++++++++++++---
 4 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/cmd-set-window-option.c b/cmd-set-window-option.c
index c683aa9f..864c80d4 100644
--- a/cmd-set-window-option.c
+++ b/cmd-set-window-option.c
@@ -1,4 +1,4 @@
-/* $Id: cmd-set-window-option.c,v 1.39 2009-09-22 14:22:20 tcunha Exp $ */
+/* $Id: cmd-set-window-option.c,v 1.40 2009-10-09 13:07:04 tcunha Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -64,6 +64,7 @@ const struct set_option_entry set_window_option_table[] = {
 	{ "monitor-activity", SET_OPTION_FLAG, 0, 0, NULL },
 	{ "monitor-content", SET_OPTION_STRING, 0, 0, NULL },
 	{ "remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "synchronize-panes", SET_OPTION_FLAG, 0, 0, NULL },
 	{ "utf8", SET_OPTION_FLAG, 0, 0, NULL },
 	{ "window-status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
 	{ "window-status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
diff --git a/tmux.1 b/tmux.1
index 5bf36597..10c18f28 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1,4 +1,4 @@
-.\" $Id: tmux.1,v 1.180 2009-10-07 17:13:59 tcunha Exp $
+.\" $Id: tmux.1,v 1.181 2009-10-09 13:07:04 tcunha Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: October 7 2009 $
+.Dd $Mdocdate: October 9 2009 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -1662,6 +1662,11 @@ The window may be reactivated with the
 .Ic respawn-window
 command.
 .Pp
+.It Xo Ic synchronize-panes
+.Op Ic on | off
+.Xc
+Duplicate input to any pane to all other panes in the same window, except
+for panes that are not in output mode.
 .It Xo Ic utf8
 .Op Ic on | off
 .Xc
diff --git a/tmux.c b/tmux.c
index fd07845d..d2249599 100644
--- a/tmux.c
+++ b/tmux.c
@@ -1,4 +1,4 @@
-/* $Id: tmux.c,v 1.175 2009-09-23 15:18:56 tcunha Exp $ */
+/* $Id: tmux.c,v 1.176 2009-10-09 13:07:04 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -450,6 +450,7 @@ main(int argc, char **argv)
 	options_set_number(wo, "window-status-fg", 8);
 	options_set_number(wo, "xterm-keys", 0);
  	options_set_number(wo, "remain-on-exit", 0);
+	options_set_number(wo, "synchronize-panes", 0);
 
  	if (flags & IDENTIFY_UTF8) {
 		options_set_number(so, "status-utf8", 1);
diff --git a/window.c b/window.c
index dad19cd1..52954f77 100644
--- a/window.c
+++ b/window.c
@@ -1,4 +1,4 @@
-/* $Id: window.c,v 1.109 2009-09-23 16:09:12 nicm Exp $ */
+/* $Id: window.c,v 1.110 2009-10-09 13:07:04 tcunha Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -617,14 +617,26 @@ window_pane_parse(struct window_pane *wp)
 void
 window_pane_key(struct window_pane *wp, struct client *c, int key)
 {
+	struct window_pane	*wp2;
+
 	if (wp->fd == -1 || !window_pane_visible(wp))
 		return;
 
 	if (wp->mode != NULL) {
 		if (wp->mode->key != NULL)
 			wp->mode->key(wp, c, key);
-	} else
-		input_key(wp, key);
+		return;
+	} 
+
+	input_key(wp, key);
+	if (options_get_number(&wp->window->options, "synchronize-panes")) {
+		TAILQ_FOREACH(wp2, &wp->window->panes, entry) {
+			if (wp2 == wp || wp2->mode != NULL)
+				continue;
+			if (wp2->fd != -1 && window_pane_visible(wp2))
+				input_key(wp2, key);
+		}
+	}
 }
 
 void