diff --git a/lib/window.js b/lib/window.js
index 33a83c6..070f4e7 100644
--- a/lib/window.js
+++ b/lib/window.js
@@ -86,6 +86,7 @@ function Window(app, args)
     this.on('event', function(ev) {
       var ntkev = ev; // todo: clone
       ntkev.window = this;
+      ntkev.target = this;
       var eventName = xevents.eventName[ev.type];
       if (eventName) {
         // TODO cleanup
@@ -135,6 +136,14 @@ function Window(app, args)
       self.y = ev.y;
     });
 
+    this.on('map', function(ev) {
+      this._mapped = true;
+    });
+
+    this.on('unmap', function(ev) {
+      this._mapped = false;
+    });
+
     if (typeof this.width !== 'undefined') {
       this._readyPromiseResolve();
     }
@@ -157,6 +166,52 @@ Window.prototype.resize = function(w, h) {
   return this;
 }
 
+const changeAttributesPropNames = 'backgroundPixmap backgroundPixel borderPixmap borderPixel bitGravity winGravity backingStore backingPlanes backingPixel overrideRedirect saveUnder eventMask doNotPropagateMask colormap cursor';
+
+Window.prototype.setState = function(newState) {
+  if (!this._mapped && newState.visible) {
+    this.map();
+  }
+  if (newState.visible === false && this._mapped) {
+    this.unmap();
+  }
+
+  // 'x y width height borderWidth stackMode sibling'
+  console.log(this.y, newState.y)
+  const configureProps = {};
+  let needConfigureWindow = false;
+  if (newState.x !== void(0) && this.x !== newState.x) {
+    needConfigureWindow = true;
+    configureProps.x = newState.x
+  }
+  if (newState.y !== void(0) && this.y !== newState.y) {
+    needConfigureWindow = true;
+    configureProps.y = newState.y;
+  }
+  if (newState.width !== void(0) && this.width !== newState.width) {
+    needConfigureWindow = true;
+    configureProps.width = newState.width;
+  }
+  if (newState.height !== void(0) && this.height !== newState.height) {
+    needConfigureWindow = true;
+    newState.height = configureProps.height;
+  }
+  if (needConfigureWindow) {
+    console.log(configureProps)
+    this.X.ConfigureWindow(this.id, configureProps);
+  }
+
+  //const changeAttributesProps = {};
+  //let needChangeAttributes = false;
+  //this.X.ChangeWindowAttributes(this.id, changeAttributesProps);
+  // todo others
+}
+
+
+Window.prototype.inspect = function() {
+  return `[Window ${this.id}]`;
+}
+
 Window.prototype.move = function(x, y) {
   this.X.MoveWindow(this.id, x, y);
   return this;
@@ -177,9 +232,9 @@ Window.prototype.setMouseHintOnly = function(isOn) {
     this.eventMask |= x11.eventMask.PointerMotionHint;
   } else if (!isOn && (this.eventMask & x11.eventMask.PointerMotionHint )) {
     this.eventMask -= x11.eventMask.PointerMotionHint;
-  } else
+  } else {
     return this;
-
+  }
   this.X.ChangeWindowAttributes(this.id, { eventMask: this.eventMask}, function() {});
   return this;
 }