improve mouse enabling.

lib/program.js

@@ -367,6 +367,12 @@ Program.prototype._bindMouse = function(s) {
     //  key.action = 'movement';
     //}
 
+    // Probably a movement.
+    if (key.action === 'mousedown' && key.button === 'unknown') {
+      delete key.button;
+      key.action = 'mousemove';
+    }
+
     self.emit('keypress', null, key);
     self.emit('mouse', key);
 
@@ -2238,14 +2244,18 @@ Program.prototype.normalBuffer = function() {
 
 Program.prototype.enableMouse = function() {
   if (this.term('rxvt-unicode')) {
-    return this.setMouse({ urxvtMouse: true }, true);
+    return this.setMouse({
+      allMotion: true,
+      urxvtMouse: true
+    }, true);
   }
 
-  if (this.term('xterm') || this.term('screen')) {
+  if (this.term('xterm')
+      || this.term('screen')
+      || this.term('rxvt-unicode')) {
     return this.setMouse({
       allMotion: true,
       utfMouse: true
-      // sendFocus: true
     }, true);
   }
 
@@ -2255,18 +2265,6 @@ Program.prototype.enableMouse = function() {
 };
 
 Program.prototype.disableMouse = function() {
-  //return this.setMouse({
-  //  x10Mouse: false,
-  //  vt200Mouse: false,
-  //  hiliteTracking: false,
-  //  cellMotion: false,
-  //  allMotion: false,
-  //  sendFocus: false,
-  //  utfMouse: false,
-  //  sgrMouse: false,
-  //  urxvtMouse: false
-  //}, false);
-
   if (!this._currentMouse) return;
 
   var obj = {};