diff --git a/lib/widget.js b/lib/widget.js
index a70d210..e024548 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -784,11 +784,13 @@ Element.prototype.__defineSetter__('left', function(val) {
     val = +val.slice(0, -1) / 100;
     val = this.screen.width * val | 0;
   }
+  val -= this.parent.left;
+  if (this.position.left === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
-  return this.options.left = this.position.left = val - this.parent.left;
+  return this.options.left = this.position.left = val;
 });
 
 Element.prototype.__defineSetter__('right', function(val) {
@@ -797,11 +799,16 @@ Element.prototype.__defineSetter__('right', function(val) {
     val = +val.slice(0, -1) / 100;
     val = this.screen.width * val | 0;
   }
+  val -= this.parent.right;
+  if (this.position.right === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
-  return this.options.right = this.position.right = val - this.parent.right;
+  //if (this.options.right == null) {
+  //  return this.options.left = this.position.left = this.screen.width - 1 - val;
+  //}
+  return this.options.right = this.position.right = val;
 });
 
 Element.prototype.__defineSetter__('top', function(val) {
@@ -810,11 +817,13 @@ Element.prototype.__defineSetter__('top', function(val) {
     val = +val.slice(0, -1) / 100;
     val = this.screen.height * val | 0;
   }
+  val -= this.parent.top;
+  if (this.position.top === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
-  return this.options.top = this.position.top = val - this.parent.top;
+  return this.options.top = this.position.top = val;
 });
 
 Element.prototype.__defineSetter__('bottom', function(val) {
@@ -823,14 +832,20 @@ Element.prototype.__defineSetter__('bottom', function(val) {
     val = +val.slice(0, -1) / 100;
     val = this.screen.height * val | 0;
   }
+  val -= this.parent.bottom;
+  if (this.position.bottom === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
-  return this.options.bottom = this.position.bottom = val - this.parent.bottom;
+  //if (this.options.bottom == null) {
+  //  return this.options.top = this.position.top = this.screen.height - 1 - val;
+  //}
+  return this.options.bottom = this.position.bottom = val;
 });
 
 Element.prototype.__defineSetter__('width', function(val) {
+  if (this.position.width === val) return;
   this.emit('resize');
   this.screen.clearRegion(
     this.left, this.left + this.width,
@@ -839,6 +854,7 @@ Element.prototype.__defineSetter__('width', function(val) {
 });
 
 Element.prototype.__defineSetter__('height', function(val) {
+  if (this.position.height === val) return;
   this.emit('resize');
   this.screen.clearRegion(
     this.left, this.left + this.width,
@@ -847,6 +863,7 @@ Element.prototype.__defineSetter__('height', function(val) {
 });
 
 Element.prototype.__defineSetter__('rleft', function(val) {
+  if (this.position.left === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
@@ -855,14 +872,19 @@ Element.prototype.__defineSetter__('rleft', function(val) {
 });
 
 Element.prototype.__defineSetter__('rright', function(val) {
+  if (this.position.right === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
+  //if (this.options.right == null) {
+  //  return this.options.left = this.position.left = this.parent.width - 1 - val;
+  //}
   return this.options.right = this.position.right = val;
 });
 
 Element.prototype.__defineSetter__('rtop', function(val) {
+  if (this.position.top === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
@@ -871,10 +893,14 @@ Element.prototype.__defineSetter__('rtop', function(val) {
 });
 
 Element.prototype.__defineSetter__('rbottom', function(val) {
+  if (this.position.bottom === val) return;
   this.emit('move');
   this.screen.clearRegion(
     this.left, this.left + this.width,
     this.top, this.top + this.height);
+  //if (this.options.bottom == null) {
+  //  return this.options.top = this.position.top = this.parent.height - 1 - val;
+  //}
   return this.options.bottom = this.position.bottom = val;
 });