fix textbox focusing.

lib/widget.js

@@ -145,6 +145,7 @@ function Screen(options) {
   this.focused = null;
   this.clickable = [];
   this.input = [];
+  this.grabKeys = false;
 
   this.alloc();
 
@@ -173,8 +174,11 @@ Screen.prototype._listenMouse = function(el, hover) {
   var self = this;
 
   if (el) {
-    if (!hover) this.clickable.push(el);
-    else this.hover.push(el);
+    if (!hover) {
+      if (!~this.clickable.indexOf(el)) this.clickable.push(el);
+    } else {
+      if (!~this.hover.indexOf(el)) this.hover.push(el);
+    }
   }
 
   if (this._listenedMouse) return;
@@ -213,7 +217,9 @@ Screen.prototype._listenKeys = function(el) {
   var self = this;
 
   if (el) {
-    this.input.push(el);
+    if (!~this.input.indexOf(el)) {
+      this.input.push(el);
+    }
     //if (this.mouse)
     //el.on('click', function() {
     //  el.focus();
@@ -227,7 +233,7 @@ Screen.prototype._listenKeys = function(el) {
     if (~self.input.indexOf(self.focused)) {
       self.focused.emit('keypress', ch, key);
     }
-    if (!self._grabKeys) {
+    if (!self.grabKeys) {
       self.emit('keypress', ch, key);
     }
   });
@@ -506,6 +512,15 @@ function Element(options) {
   }
 
   this.content = options.content || '';
+
+  if (options.label) {
+    this.append(new Text({
+      screen: this.screen,
+      content: options.label,
+      left: 2,
+      top: this.border ? 0 : -1
+    }));
+  }
 }
 
 Element.prototype.__proto__ = Node.prototype;
@@ -1337,13 +1352,7 @@ function Textbox(options) {
   Input.call(this, options);
   this.value = options.value || '';
   this.content = options.content || '';
-  if (options.label) {
-    // TODO: Make sure negative relative coords work.
-    this.append(new Text({
-      content: options.label,
-      top: -1 - (this.border ? 1 : 0)
-    }));
-  }
+  this.screen._listenKeys(this);
 }
 
 Textbox.prototype.__proto__ = Input.prototype;
@@ -1351,7 +1360,7 @@ Textbox.prototype.__proto__ = Input.prototype;
 Textbox.prototype.setInput = function(callback) {
   var self = this;
 
-  this.screen._grabKeys = true;
+  this.screen.grabKeys = true;
 
   this.focus();
   // this.screen.program.saveCursor();
@@ -1366,7 +1375,7 @@ Textbox.prototype.setInput = function(callback) {
     self.screen.program.hideCursor();
     // Wait for global keypress event to fire.
     process.nextTick(function() {
-      self.screen._grabKeys = false;
+      self.screen.grabKeys = false;
     });
     return err
       ? callback(err)

test/widget.js

@@ -177,6 +177,7 @@ screen.on('element focus', function(old, cur) {
 
 var input = new blessed.Textbox({
   mouse: true,
+  label: ' My Input ',
   content: '',
   fg: 4,
   bg: -1,
@@ -190,7 +191,7 @@ var input = new blessed.Textbox({
   width: '30%',
   height: 3,
   right: 0,
-  top: 0
+  top: 2
 });
 
 screen.append(input);
@@ -203,12 +204,12 @@ screen.on('keypress', function(ch, key) {
   }
   if (key.name === 'i') {
     return input.setInput(function(err, value) {
-      screen.children[0].setContent(value);
+      if (value) screen.children[0].setContent(value);
     });
   }
   if (key.name === 'e') {
     return input.setEditor(function(err, value) {
-      screen.children[0].setContent(value);
+      if (value) screen.children[0].setContent(value);
     });
   }
   if (key.name === 'escape' || key.name === 'q') {