add deadlineTimer to fix conflict with ForcePressGestureRecognizer

Author: Renzo Olivares

packages/flutter/lib/src/gestures/selection_recognizers.dart

@@ -108,12 +108,20 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
   ///
   /// {@macro flutter.gestures.GestureRecognizer.supportedDevices}
   TapAndDragGestureRecognizer({
+    this.deadline,
     super.debugOwner,
     this.dragStartBehavior = DragStartBehavior.start,
     super.kind,
     super.supportedDevices,
   });
 
+  /// If non-null, the recognizer will call [didExceedDeadline] after this
+  /// amount of time has elapsed since starting to track the primary pointer.
+  ///
+  /// The [didExceedDeadline] will not be called if the primary pointer is
+  /// accepted, rejected, or all pointers are up or canceled before [deadline].
+  final Duration? deadline;
+
   /// {@macro flutter.gestures.monodrag.DragGestureRecognizer.dragStartBehavior}
   DragStartBehavior dragStartBehavior;
 
@@ -154,7 +162,10 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
 
   // Tap related state
   PointerUpEvent? _up;
-  
+  PointerDownEvent? _down;
+  Timer? _deadlineTimer;
+  int? _primaryPointer;
+
   // Drag related state
   OffsetPair? _correctedPosition;
   late OffsetPair _initialPosition;
@@ -212,6 +223,12 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
   void addAllowedPointer(PointerDownEvent event) {
     print('addAllowedPointer $event ${event.pointer}');
     super.addAllowedPointer(event);
+    if (_state == _DragState.ready) {
+      _primaryPointer = event.pointer;
+      if (deadline != null) {
+        _deadlineTimer = Timer(deadline!, () => _didExceedDeadlineWithEvent(event));
+      }
+    }
   }
 
   @override
@@ -223,6 +240,15 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
   @override
   void acceptGesture(int pointer) {
     assert(!_acceptedActivePointers.contains(pointer));
+    if (pointer == _primaryPointer) {
+      print('is primary pointer');
+      // _checkTapDown(event);
+      if (_down != null) {
+        _checkTapDown(_down!);
+        // _checkTapUp(_up!);
+      }
+      _stopDeadlineTimer();
+    }
     _acceptedActivePointers.add(pointer);
     print('accept gesture $pointer');
   }
@@ -251,7 +277,9 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
         _checkEnd();
         break;
     }
+    _stopDeadlineTimer();
     _up = null;
+    _down = null;
     _initialButtons = null;
     _state = _DragState.ready;
     _consecutiveTapCountWhileDragging = null;
@@ -264,7 +292,8 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
       print('handle PointerDownEvent $event');
       if (_state == _DragState.ready) {
         _globalDistanceMoved = 0.0;
-        _checkTapDown(event);
+        _down = event;
+        // _checkTapDown(event);
       }
     } else if (event is PointerMoveEvent) {
       print('handle PointerMoveEvent $event');
@@ -321,6 +350,24 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
     _giveUpPointer(pointer);
   }
 
+  void _didExceedDeadlineWithEvent(PointerDownEvent event) {
+    print('did exceed deadline with event $event');
+    _checkTapDown(event);
+    _didExceedDeadline();
+  }
+
+  void _didExceedDeadline() {
+    print('did exeeed deadline');
+    // _checkTapDown(event);
+  }
+
+  void _stopDeadlineTimer() {
+    if (_deadlineTimer != null) {
+      _deadlineTimer!.cancel();
+      _deadlineTimer = null;
+    }
+  }
+
   void _checkTapDown(PointerDownEvent event) {
     _initialButtons = event.buttons;
     _state = _DragState.possible;
@@ -446,6 +493,7 @@ class TapAndDragGestureRecognizer extends OneSequenceGestureRecognizer with _Con
 
   @override
   void dispose() {
+    _stopDeadlineTimer();
     consecutiveTapTimeout();
     super.dispose();
   }

packages/flutter/lib/src/widgets/text_selection.dart

@@ -2522,7 +2522,7 @@ class _TextSelectionGestureDetectorState extends State<TextSelectionGestureDetec
         widget.onDragSelectionUpdate != null ||
         widget.onDragSelectionEnd != null) {
       gestures[TapAndDragGestureRecognizer] = GestureRecognizerFactoryWithHandlers<TapAndDragGestureRecognizer>(
-        () => TapAndDragGestureRecognizer(debugOwner: this, supportedDevices: <PointerDeviceKind>{ PointerDeviceKind.mouse, PointerDeviceKind.touch }),
+        () => TapAndDragGestureRecognizer(deadline: kPressTimeout, debugOwner: this, supportedDevices: <PointerDeviceKind>{ PointerDeviceKind.mouse, PointerDeviceKind.touch }),
         (TapAndDragGestureRecognizer instance) {
           instance
             // Text selection should start from the position of the first pointer