🔧 Fix visibleHandles were disabling handles over enabledHandles.

Author: SaadArdati

packages/flutter_box_transform/lib/src/handle_builders.dart

@@ -32,6 +32,9 @@ class CornerHandleWidget extends StatelessWidget {
   /// Whether the handle is resizable.
   final bool enabled;
 
+  /// Whether the handle is visible.
+  final bool visible;
+
   /// Whether to paint the handle's bounds for debugging purposes.
   final bool debugPaintHandleBounds;
 
@@ -45,13 +48,16 @@ class CornerHandleWidget extends StatelessWidget {
     this.onPanUpdate,
     this.onPanEnd,
     this.onPanCancel,
-    required this.enabled,
+    this.enabled = true,
+    this.visible = true,
     this.debugPaintHandleBounds = false,
   }) : assert(handlePosition.isDiagonal, 'A corner handle must be diagonal.');
 
   @override
   Widget build(BuildContext context) {
-    Widget child = builder(context, handlePosition);
+    Widget child =
+        visible ? builder(context, handlePosition) : const SizedBox.shrink();
+
     if (enabled) {
       child = GestureDetector(
         behavior: HitTestBehavior.opaque,
@@ -127,6 +133,9 @@ class SideHandleWidget extends StatelessWidget {
   /// Whether the handle is resizable.
   final bool enabled;
 
+  /// Whether the handle is visible.
+  final bool visible;
+
   /// Whether to paint the handle's bounds for debugging purposes.
   final bool debugPaintHandleBounds;
 
@@ -140,13 +149,16 @@ class SideHandleWidget extends StatelessWidget {
     this.onPanUpdate,
     this.onPanEnd,
     this.onPanCancel,
-    required this.enabled,
+    this.enabled = true,
+    this.visible = true,
     this.debugPaintHandleBounds = false,
   }) : assert(handlePosition.isSide, 'A cardinal handle must be cardinal.');
 
   @override
   Widget build(BuildContext context) {
-    Widget child = builder(context, handlePosition);
+    Widget child =
+        visible ? builder(context, handlePosition) : const SizedBox.shrink();
+
     if (enabled) {
       child = GestureDetector(
         behavior: HitTestBehavior.opaque,

packages/flutter_box_transform/lib/src/transformable_box.dart

@@ -566,36 +566,38 @@ class _TransformableBoxState extends State<TransformableBox> {
             height: rect.height,
             child: content,
           ),
-          for (final handle
-              in widget.visibleHandles.where((handle) => handle.isDiagonal))
-            CornerHandleWidget(
-              key: ValueKey(handle),
-              handlePosition: handle,
-              handleTapSize: widget.handleTapSize,
-              debugPaintHandleBounds: widget.debugPaintHandleBounds,
-              enabled:
-                  widget.resizable && widget.enabledHandles.contains(handle),
-              onPanStart: (event) => onHandlePanStart(event, handle),
-              onPanUpdate: (event) => onHandlePanUpdate(event, handle),
-              onPanEnd: (event) => onHandlePanEnd(event, handle),
-              onPanCancel: () => onHandlePanCancel(handle),
-              builder: widget.cornerHandleBuilder,
-            ),
-          for (final handle
-              in widget.visibleHandles.where((handle) => handle.isSide))
-            SideHandleWidget(
-              key: ValueKey(handle),
-              handlePosition: handle,
-              handleTapSize: widget.handleTapSize,
-              debugPaintHandleBounds: widget.debugPaintHandleBounds,
-              enabled:
-                  widget.resizable && widget.enabledHandles.contains(handle),
-              onPanStart: (event) => onHandlePanStart(event, handle),
-              onPanUpdate: (event) => onHandlePanUpdate(event, handle),
-              onPanEnd: (event) => onHandlePanEnd(event, handle),
-              onPanCancel: () => onHandlePanCancel(handle),
-              builder: widget.sideHandleBuilder,
-            ),
+          if (widget.resizable)
+            for (final handle in HandlePosition.corners.where((handle) =>
+            widget.visibleHandles.contains(handle) ||
+                widget.enabledHandles.contains(handle)))
+              CornerHandleWidget(
+                key: ValueKey(handle),
+                handlePosition: handle,
+                handleTapSize: widget.handleTapSize,
+                enabled: widget.enabledHandles.contains(handle),
+                visible: widget.visibleHandles.contains(handle),
+                onPanStart: (event) => onHandlePanStart(event, handle),
+                onPanUpdate: (event) => onHandlePanUpdate(event, handle),
+                onPanEnd: (event) => onHandlePanEnd(event, handle),
+                onPanCancel: () => onHandlePanCancel(handle),
+                builder: widget.cornerHandleBuilder,
+              ),
+          if (widget.resizable)
+            for (final handle in HandlePosition.sides.where((handle) =>
+            widget.visibleHandles.contains(handle) ||
+                widget.enabledHandles.contains(handle)))
+              SideHandleWidget(
+                key: ValueKey(handle),
+                handlePosition: handle,
+                handleTapSize: widget.handleTapSize,
+                enabled: widget.enabledHandles.contains(handle),
+                visible: widget.visibleHandles.contains(handle),
+                onPanStart: (event) => onHandlePanStart(event, handle),
+                onPanUpdate: (event) => onHandlePanUpdate(event, handle),
+                onPanEnd: (event) => onHandlePanEnd(event, handle),
+                onPanCancel: () => onHandlePanCancel(handle),
+                builder: widget.sideHandleBuilder,
+              ),
         ],
       ),
     );