misc fixes for radiobutton, textarea, textbox, checkbox.

lib/widget.js

@@ -154,7 +154,7 @@ Node.prototype.detach = function() {
 
 Node.prototype.forDescendants = function(iter, s) {
   if (s) iter(this);
-  el.children.forEach(function emit(el) {
+  this.children.forEach(function emit(el) {
     iter(el);
     el.children.forEach(emit);
   });
@@ -4075,7 +4075,15 @@ Textbox.prototype.setInput = function(callback) {
   this.screen.program.showCursor();
   this.screen.program.sgr('normal');
 
-  this._callback = function(err, value) {
+  this._callback = function fn(err, value) {
+    if (fn.done) return;
+    fn.done = true;
+
+    self.removeListener('keypress', self.__listener);
+    self.removeListener('blur', self._callback);
+    delete self.__listener;
+    delete self._callback;
+
     self.screen.program.hideCursor();
     self.screen.grabKeys = false;
 
@@ -4101,6 +4109,7 @@ Textbox.prototype.setInput = function(callback) {
 
   this.__listener = this._listener.bind(this);
   this.on('keypress', this.__listener);
+  this.on('blur', this._callback);
 };
 
 Textbox.prototype._listener = function(ch, key) {
@@ -4109,9 +4118,6 @@ Textbox.prototype._listener = function(ch, key) {
     , width = this.width - this.iwidth;
 
   if (key.name === 'escape' || key.name === 'enter') {
-    delete this._callback;
-    this.removeListener('keypress', this.__listener);
-    delete this.__listener;
     callback(null, key.name === 'enter' ? value : null);
   } else if (key.name === 'backspace') {
     if (this.value.length) {
@@ -4121,8 +4127,7 @@ Textbox.prototype._listener = function(ch, key) {
         this.screen.program.cub();
       }
     }
-  } else {
+  } else if (ch) {
-    if (ch) {
     // Tabs only work with textareas.
     if (ch === '\t') ch = ' ';
     this.value += ch;
@@ -4131,14 +4136,6 @@ Textbox.prototype._listener = function(ch, key) {
       this.screen.program.cuf();
     }
   }
-  }
-
-  // Maybe just use this instead of render hook:
-  // Problem - user can't set .value willy nilly.
-  // if (this.value !== value) {
-  //   var i = -(this.width - this.iwidth - 1);
-  //   this.setContent(this.value.slice(i));
-  // }
 
   this.screen.render();
 };
@@ -4279,7 +4276,15 @@ Textarea.prototype.setInput = function(callback) {
   this.screen.program.showCursor();
   this.screen.program.sgr('normal');
 
-  this._callback = function(err, value) {
+  this._callback = function fn(err, value) {
+    if (fn.done) return;
+    fn.done = true;
+
+    self.removeListener('keypress', self.__listener);
+    self.removeListener('blur', self._callback);
+    delete self.__listener;
+    delete self._callback;
+
     self.screen.program.hideCursor();
     self.screen.grabKeys = false;
 
@@ -4305,6 +4310,7 @@ Textarea.prototype.setInput = function(callback) {
 
   this.__listener = this._listener.bind(this);
   this.on('keypress', this.__listener);
+  this.on('blur', this._callback);
 };
 
 Textarea.prototype._listener = function(ch, key) {
@@ -4322,19 +4328,14 @@ Textarea.prototype._listener = function(ch, key) {
   }
 
   if (key.name === 'escape') {
-    delete this._callback;
-    this.removeListener('keypress', this.__listener);
-    delete this.__listener;
     callback(null, key.name === 'enter' ? value : null);
   } else if (key.name === 'backspace') {
     if (this.value.length) {
       this.value = this.value.slice(0, -1);
     }
-  } else {
+  } else if (ch) {
-    if (ch) {
     this.value += ch;
   }
-  }
 
   if (this.value !== value) {
     this.setContent(this.value);
@@ -4748,7 +4749,7 @@ function Checkbox(options) {
 
   if (options.mouse) {
     this.on('click', function() {
-      self.check();
+      self.toggle();
       self.screen.render();
     });
   }
@@ -4836,14 +4837,14 @@ function RadioButton(options) {
   this.on('check', function() {
     var el = self;
     while (el = el.parent) {
-      if (self.parent.type === 'radio-set'
+      if (el.type === 'radio-set'
-          || self.parent.type === 'form') {
+          || el.type === 'form') break;
-        break;
     }
+    el = el || self.parent;
+    el.forDescendants(function(el) {
+      if (el.type !== 'radio-button' || el === self) {
+        return;
       }
-    if (!el) el = self.parent;
-    el.children.forEach(function(el) {
-      if (el === self) return;
       el.uncheck();
     });
   });

test/widget-form.js

@@ -191,7 +191,8 @@ var output = blessed.scrollabletext({
   left: 0,
   top: 20,
   height: 5,
-  width: '100%',
+  left: 0,
+  right: 0,
   bg: 'red',
   content: 'foobar'
 });