adding example in for listener issue with scrolling view

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.9.2
+
+- Prevents scroll views from scrolling when dragging listeners. 
+
 ## 0.9.1
 
 - Support for Nested Inputs.

example/lib/simple_state_machine.dart

@@ -9,16 +9,6 @@ class SimpleStateMachine extends StatefulWidget {
 }
 
 class _SimpleStateMachineState extends State<SimpleStateMachine> {
-  SMITrigger? _bump;
-
-  void _onRiveInit(Artboard artboard) {
-    final controller = StateMachineController.fromArtboard(artboard, 'bumpy');
-    artboard.addController(controller!);
-    _bump = controller.findInput<bool>('bump') as SMITrigger;
-  }
-
-  void _hitBump() => _bump?.fire();
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -26,13 +16,19 @@ class _SimpleStateMachineState extends State<SimpleStateMachine> {
         title: const Text('Simple Animation'),
       ),
       body: Center(
-        child: GestureDetector(
-          child: RiveAnimation.network(
-            'https://cdn.rive.app/animations/vehicles.riv',
-            fit: BoxFit.cover,
-            onInit: _onRiveInit,
-          ),
-          onTap: _hitBump,
+        child: ListView(
+          children: const [
+            SizedBox(
+              width: 500,
+              height: 500,
+              child: RiveAnimation.asset(
+                'assets/simple.riv',
+                stateMachines: ["State Machine 1"],
+              ),
+            ),
+            SizedBox(height: 2000, width: 500, child: Text("hi")),
+            SizedBox(height: 2000, width: 500, child: Text("bye"))
+          ],
         ),
       ),
     );

lib/src/rive_core/animation/nested_state_machine.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
 import 'package:rive/src/core/core.dart';
 import 'package:rive/src/generated/animation/nested_state_machine_base.dart';
 import 'package:rive/src/rive_core/math/vec2d.dart';
@@ -14,7 +15,7 @@ abstract class NestedStateMachineInstance {
 
   void pointerMove(Vec2D position);
 
-  void pointerDown(Vec2D position);
+  void pointerDown(Vec2D position, PointerDownEvent event);
 
   void pointerUp(Vec2D position);
 
@@ -57,8 +58,8 @@ class NestedStateMachine extends NestedStateMachineBase {
   void pointerMove(Vec2D position) =>
       _stateMachineInstance?.pointerMove(position);
 
-  void pointerDown(Vec2D position) =>
-      _stateMachineInstance?.pointerDown(position);
+  void pointerDown(Vec2D position, PointerDownEvent event) =>
+      _stateMachineInstance?.pointerDown(position, event);
 
   void pointerUp(Vec2D position) => _stateMachineInstance?.pointerUp(position);
 

lib/src/rive_core/state_machine_controller.dart

@@ -1,5 +1,6 @@
 import 'dart:collection';
 
+import 'package:flutter/gestures.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:rive/src/core/core.dart';
 import 'package:rive/src/rive_core/animation/animation_state.dart';
@@ -256,6 +257,8 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
 
   late CoreContext core;
 
+  final _recognizer = ImmediateMultiDragGestureRecognizer();
+
   @override
   bool init(CoreContext core) {
     this.core = core;
@@ -344,10 +347,15 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
     isActive = keepGoing;
   }
 
-  void _processEvent(Vec2D position, {ListenerType? hitEvent}) {
+  bool _processEvent(
+    Vec2D position, {
+    PointerDownEvent? event,
+    ListenerType? hitEvent,
+  }) {
+    assert(hitEvent != ListenerType.down || event != null);
     var artboard = this.artboard;
     if (artboard == null) {
-      return;
+      return false;
     }
     if (artboard.frameOrigin) {
       // ignore: parameter_assignments
@@ -365,6 +373,8 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
       (position.y + hitRadius).round(),
     );
 
+    bool foundTarget = false;
+
     for (final hitShape in hitShapes) {
       // for (final hitShape in event.shapes) {
       var shape = hitShape.shape;
@@ -383,6 +393,7 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
         // user-selectable value in the inspector?
 
         // Just use bounds for now
+        foundTarget = true;
         isOver = hitTester.test();
       }
 
@@ -418,7 +429,7 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
           in nestedArtboard.animations.whereType<NestedStateMachine>()) {
         switch (hitEvent) {
           case ListenerType.down:
-            nestedStateMachine.pointerDown(nestedPosition);
+            nestedStateMachine.pointerDown(nestedPosition, event!);
             break;
           case ListenerType.up:
             nestedStateMachine.pointerUp(nestedPosition);
@@ -429,6 +440,7 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
         }
       }
     }
+    return foundTarget;
   }
 
   void pointerMove(Vec2D position) => _processEvent(
@@ -436,10 +448,16 @@ class StateMachineController extends RiveAnimationController<CoreContext> {
         hitEvent: ListenerType.move,
       );
 
-  void pointerDown(Vec2D position) => _processEvent(
-        position,
-        hitEvent: ListenerType.down,
-      );
+  void pointerDown(Vec2D position, PointerDownEvent event) {
+    final foundTarget = _processEvent(
+      position,
+      event: event,
+      hitEvent: ListenerType.down,
+    );
+    if (foundTarget) {
+      _recognizer.addPointer(event);
+    }
+  }
 
   void pointerUp(Vec2D position) => _processEvent(
         position,

lib/src/runtime_nested_artboard.dart

@@ -113,8 +113,8 @@ class RuntimeNestedStateMachineInstance extends NestedStateMachineInstance {
       stateMachineController.isActiveChanged;
 
   @override
-  void pointerDown(Vec2D position) =>
-      stateMachineController.pointerDown(position);
+  void pointerDown(Vec2D position, PointerDownEvent event) =>
+      stateMachineController.pointerDown(position, event);
 
   @override
   void pointerMove(Vec2D position) =>

lib/src/widgets/rive_animation.dart

@@ -272,7 +272,7 @@ class RiveAnimationState extends State<RiveAnimation> {
         onPointerDown: (details) => hitHelper(
           details,
           (controller, artboardPosition) =>
-              controller.pointerDown(artboardPosition),
+              controller.pointerDown(artboardPosition, details),
         ),
         onPointerUp: (details) => hitHelper(
           details,

pubspec.yaml

@@ -1,6 +1,6 @@
 name: rive
 description: Rive 2 Flutter Runtime. This package provides runtime functionality for playing back and interacting with animations built with the Rive editor available at https://rive.app.
-version: 0.9.1
+version: 0.9.2
 repository: https://github.com/rive-app/rive-flutter
 homepage: https://rive.app