working on documentation

src/canvas/canvas.js

@@ -381,7 +381,7 @@ class Canvas extends React.Component {
         for (let [key, widget] of Object.entries(this.widgetRefs)) {
             // since the mouseUp event is not triggered inside the widget once its outside, 
             // we'll need a global mouse up event to re-enable drag
-            widget.current.enableDrag()
+            widget.current?.enableDrag()
         }
     }
 
@@ -918,6 +918,7 @@ class Canvas extends React.Component {
 
         this.setState({
             toolbarAttrs: null,
+            toolbarOpen: false,
             selectedWidget: null
         })
 
@@ -926,7 +927,7 @@ class Canvas extends React.Component {
         for (let widgetId of widgetIds) {
             this.removeWidget(widgetId)
         }
-
+        
     }
 
     /**

src/frameworks/tkinter/widgets/base.js

@@ -93,9 +93,13 @@ export class TkinterBase extends Widget {
             parentLayout: layout,
         }
         
-        this.removeAttr("gridManager")
-        this.removeAttr("flexManager")
-        this.removeAttr("positioning")
+        // this.removeAttr("gridManager")
+        // this.removeAttr("flexManager")
+        // this.removeAttr("positioning")
+
+        // remove gridManager, flexManager positioning 
+        const {gridManager, flexManager, positioning, ...restAttrs} =  this.state.attrs
+
         if (parentLayout === Layouts.FLEX || parentLayout === Layouts.GRID) {
 
             updates = {
@@ -104,7 +108,7 @@ export class TkinterBase extends Widget {
             }
             // Allow optional absolute positioning if the parent layout is flex or grid
             const updateAttrs = {
-                ...this.state.attrs,
+                ...restAttrs,
                 positioning: {
                     label: "Absolute positioning",
                     tool: Tools.CHECK_BUTTON,