positioning test. fix screen key listening.

lib/widget.js

@@ -170,6 +170,13 @@ Screen._default = null;
 
 Screen.prototype.__proto__ = Node.prototype;
 
+Screen._addListener = Screen.prototype.addListener;
+Screen.prototype.on =
+Screen.prototype.addListener = function(type, listener) {
+  if (type === 'keypress') this._listenKeys();
+  return Screen._addListener.apply(this, arguments);
+};
+
 // TODO: Bubble events.
 Screen.prototype._listenMouse = function(el, hover) {
   var self = this;

test/widget-pos.js

@@ -0,0 +1,49 @@
+var blessed = require('blessed')
+  , program = blessed();
+
+var screen = new blessed.Screen({
+  program: program
+});
+
+var main = new blessed.Box({
+  width: '75%',
+  height: '75%',
+  bg: 3,
+  top: 2,
+  left: 2,
+  content: 'Welcome to my program'
+});
+
+screen.append(main);
+
+var inner = new blessed.Box({
+  width: '50%',
+  height: '50%',
+  bg: 4,
+  top: 2,
+  left: 2,
+  content: 'Hello'
+});
+
+main.append(inner);
+
+inner.setContent(inner.content + '\n' + JSON.stringify({
+  left: inner.left,
+  right: inner.right,
+  top: inner.top,
+  bottom: inner.bottom,
+  width: inner.width,
+  height: inner.height,
+  rleft: inner.rleft,
+  rright: inner.rright,
+  rtop: inner.rtop,
+  rbottom: inner.rbottom
+}));
+
+screen.on('keypress', function(ch, key) {
+  if (key.name === 'escape' || key.name === 'q') {
+    return process.exit(0);
+  }
+});
+
+screen.render();