From d75dd2ab1c792ea06c2777a31cb83cb3ba4c47a7 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Thu, 10 Oct 2013 11:47:52 +0000
Subject: [PATCH] Add formats for window flags.

---
 format.c | 24 +++++++++++++++++++++---
 tmux.1   |  4 ++++
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/format.c b/format.c
index 168ff5b9..e870cd0a 100644
--- a/format.c
+++ b/format.c
@@ -151,6 +151,7 @@ void
 format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
 {
 	struct format_entry	*fe;
+	struct format_entry	*fe_now;
 	va_list			 ap;
 
 	fe = xmalloc(sizeof *fe);
@@ -160,7 +161,13 @@ format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
 	xvasprintf(&fe->value, fmt, ap);
 	va_end(ap);
 
-	RB_INSERT(format_tree, ft, fe);
+	fe_now = RB_INSERT(format_tree, ft, fe);
+	if (fe_now != NULL) {
+		free(fe_now->value);
+		fe_now->value = fe->value;
+		free(fe->key);
+		free(fe);
+	}
 }
 
 /* Find a format entry. */
@@ -346,8 +353,10 @@ format_client(struct format_tree *ft, struct client *c)
 	format_add(ft, "client_cwd", "%s", c->cwd);
 	format_add(ft, "client_height", "%u", c->tty.sy);
 	format_add(ft, "client_width", "%u", c->tty.sx);
-	format_add(ft, "client_tty", "%s", c->tty.path);
-	format_add(ft, "client_termname", "%s", c->tty.termname);
+	if (c->tty.path != NULL)
+		format_add(ft, "client_tty", "%s", c->tty.path);
+	if (c->tty.termname != NULL)
+		format_add(ft, "client_termname", "%s", c->tty.termname);
 
 	t = c->creation_time.tv_sec;
 	format_add(ft, "client_created", "%lld", (long long) t);
@@ -401,6 +410,15 @@ format_winlink(struct format_tree *ft, struct session *s, struct winlink *wl)
 	format_add(ft, "window_active", "%d", wl == s->curw);
 	format_add(ft, "window_panes", "%u", window_count_panes(w));
 
+	format_add(ft, "window_bell_flag", "%u",
+	    !!(wl->flags & WINLINK_BELL));
+	format_add(ft, "window_content_flag", "%u",
+	    !!(wl->flags & WINLINK_CONTENT));
+	format_add(ft, "window_activity_flag", "%u",
+	    !!(wl->flags & WINLINK_ACTIVITY));
+	format_add(ft, "window_silence_flag", "%u",
+	    !!(wl->flags & WINLINK_SILENCE));
+
 	free(flags);
 	free(layout);
 }
diff --git a/tmux.1 b/tmux.1
index 61158872..fe2b1765 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3094,6 +3094,9 @@ The following variables are available, where appropriate:
 .It Li "session_width" Ta "" Ta "Width of session"
 .It Li "session_windows" Ta "" Ta "Number of windows in session"
 .It Li "window_active" Ta "" Ta "1 if window active"
+.It Li "window_activity_flag" Ta "" Ta "1 if window has activity alert"
+.It Li "window_bell_flag" Ta "" Ta "1 if window has bell"
+.It Li "window_content_flag" Ta "" Ta "1 if window has content alert"
 .It Li "window_find_matches" Ta "" Ta "Matched data from the find-window"
 .It Li "window_flags" Ta "#F" Ta "Window flags"
 .It Li "window_height" Ta "" Ta "Height of window"
@@ -3102,6 +3105,7 @@ The following variables are available, where appropriate:
 .It Li "window_layout" Ta "" Ta "Window layout description"
 .It Li "window_name" Ta "#W" Ta "Name of window"
 .It Li "window_panes" Ta "" Ta "Number of panes in window"
+.It Li "window_silence_flag" Ta "" Ta "1 if window has silence alert"
 .It Li "window_width" Ta "" Ta "Width of window"
 .It Li "wrap_flag" Ta "" Ta "Pane wrap flag"
 .El