From c48f75e86aea05a8b09a9e52eebe202ac2e84c3c Mon Sep 17 00:00:00 2001
From: Zed Lopez <zed.lopez@gmail.com>
Date: Tue, 18 May 2010 09:06:26 -0700
Subject: add a titlechanged hook

---
 doc/ratpoison.texi | 2 ++
 src/actions.c      | 1 +
 src/events.c       | 4 +++-
 src/globals.c      | 2 ++
 src/globals.h      | 1 +
 5 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/ratpoison.texi b/doc/ratpoison.texi
index 9bfe8b9..7d9adfd 100644
--- a/doc/ratpoison.texi
+++ b/doc/ratpoison.texi
@@ -1269,6 +1269,8 @@ Run when the user switches to a different group.
 Run when a window is deleted.
 @item newwindow
 Run after a new window is mapped.
+@item titlechanged
+Run when the current window's title changes.
 @item quit
 Run when ratpoison exits.
 @item restart
diff --git a/src/actions.c b/src/actions.c
index dabb8e5..b3baadb 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -1407,6 +1407,7 @@ cmd_rename (int interactive UNUSED, struct cmdarg **args)
   free (current_window()->user_name);
   current_window()->user_name = xstrdup (ARG_STRING(0));
   current_window()->named = 1;
+  hook_run (&rp_title_changed_hook);
 
   /* Update the program bar. */
   update_window_names (current_screen(), defaults.window_fmt);
diff --git a/src/events.c b/src/events.c
index d973639..6a229b8 100644
--- a/src/events.c
+++ b/src/events.c
@@ -624,8 +624,10 @@ property_notify (XEvent *ev)
           {
           case XA_WM_NAME:
             PRINT_DEBUG (("updating window name\n"));
-            if (update_window_name (win))
+            if (update_window_name (win)) {
 	      update_window_names (win->scr, defaults.window_fmt);
+	      hook_run (&rp_title_changed_hook);
+	    }
             break;
 
           case XA_WM_NORMAL_HINTS:
diff --git a/src/globals.c b/src/globals.c
index eb94db6..3029aef 100644
--- a/src/globals.c
+++ b/src/globals.c
@@ -232,6 +232,7 @@ LIST_HEAD (rp_quit_hook);
 LIST_HEAD (rp_restart_hook);
 LIST_HEAD (rp_delete_window_hook);
 LIST_HEAD (rp_new_window_hook);
+LIST_HEAD (rp_title_changed_hook);
 
 struct rp_hook_db_entry rp_hook_db[]=
   {{"key",              &rp_key_hook},
@@ -243,6 +244,7 @@ struct rp_hook_db_entry rp_hook_db[]=
    {"quit",             &rp_quit_hook},
    {"restart",          &rp_restart_hook},
    {"newwindow",	&rp_new_window_hook},
+   {"titlechanged",	&rp_title_changed_hook},
    {NULL, NULL}};
 
 void
diff --git a/src/globals.h b/src/globals.h
index aa73451..e5ba32a 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -182,6 +182,7 @@ extern struct list_head rp_delete_window_hook;
 extern struct list_head rp_quit_hook;
 extern struct list_head rp_restart_hook;
 extern struct list_head rp_new_window_hook;
+extern struct list_head rp_title_changed_hook;
 
 extern struct rp_hook_db_entry rp_hook_db[];
 
-- 
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