From d64e5f04ffb972adbb8ad4ac63c7d421007fdd2c Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Tue, 21 Jul 2015 21:26:40 -0700
Subject: [PATCH] improve window title grabbing.

---
 lib/program.js | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/lib/program.js b/lib/program.js
index c5f4249..ae97fd3 100644
--- a/lib/program.js
+++ b/lib/program.js
@@ -307,11 +307,14 @@ Program.prototype.term = function(is) {
 
 Program.prototype.listen = function() {
   // Potentially reset window title on exit:
-  // this.setTitleModeFeature(3);
-  // this.manipulateWindow(21, function(err, data) {
-  //   if (err) return;
-  //   self._originalTitle = data.text;
-  // });
+  // var self = this;
+  // if (!this.isRxvt) {
+  //   if (!this.isVTE) this.setTitleModeFeature(3);
+  //   this.manipulateWindow(21, function(err, data) {
+  //     if (err) return;
+  //     self._originalTitle = data.text;
+  //   });
+  // }
 
   // Listen for keys/mouse on input
   if (!this.input._blessedListened) {
@@ -1332,6 +1335,21 @@ Program.prototype._bindResponse = function(s) {
     return;
   }
 
+  // rxvt-unicode does not support window manipulation
+  //   Result Normal: OSC l/L 0xEF 0xBF 0xBD
+  //   Result ASCII: OSC l/L 0x1c (file separator)
+  //   Result UTF8->ASCII: OSC l/L 0xFD
+  // Test with:
+  //   echo -ne '\ePtmux;\e\e[>3t\e\\'
+  //   sleep 2 && echo -ne '\ePtmux;\e\e[21t\e\\' & cat -v
+  //   -
+  //   echo -ne '\e[>3t'
+  //   sleep 2 && echo -ne '\e[21t' & cat -v
+  if (parts = /^\x1b\](l|L)([^\x07\x1b]*)$/.exec(s)) {
+    parts[2] = 'rxvt';
+    s = '\x1b]' + parts[1] + parts[2] + '\x1b\\';
+  }
+
   // CSI Ps ; Ps ; Ps t
   //   Window manipulation (from dtterm, as well as extensions).
   //   These controls may be disabled using the allowWindowOps
@@ -3840,8 +3858,9 @@ Program.prototype.reverseAttrInRectangle = function(params) {
 //     Ps = 2  -> Set window/icon labels using UTF-8.
 //     Ps = 3  -> Query window/icon labels using UTF-8.  (See dis-
 //     cussion of "Title Modes")
+// XXX VTE bizarelly echos this:
 Program.prototype.setTitleModeFeature = function(params) {
-  return this._write('\x1b[>' + slice.call(arguments).join(';') + 't');
+  return this._twrite('\x1b[>' + slice.call(arguments).join(';') + 't');
 };
 
 // CSI Ps SP t