Split Mouse from Listener (#36217)

- Splits on{Enter,Hover,Exit} from Listener to MouseRegion. Deprecated API is kept for compatibility.
- Splits on{Enter,Hover,Exit} from RenderPointerListener to RenderMouseRegion.

dev/automated_tests/flutter_test/print_user_created_ancestor_expectation.txt

 <<skip until matching line>>
 ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
-The following assertion was thrown building
-RawGestureDetector-\[LabeledGlobalKey<RawGestureDetectorState>#.+\]\(state:
-RawGestureDetectorState#.+\(gestures: <none>, behavior: opaque\)\):
+The following assertion was thrown building Listener
 'package:flutter\/src\/painting\/basic_types\.dart': Failed assertion: line 223 pos 10: 'textDirection
 != null': is not true\.
 

dev/automated_tests/flutter_test/print_user_created_ancestor_no_flag_expectation.txt

 <<skip until matching line>>
 ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
-The following assertion was thrown building
-RawGestureDetector-\[LabeledGlobalKey<RawGestureDetectorState>#.+\]\(state:
-RawGestureDetectorState#.+\(gestures: <none>, behavior: opaque\)\):
+The following assertion was thrown building Listener
 'package:flutter\/src\/painting\/basic_types\.dart': Failed assertion: line 223 pos 10: 'textDirection
 != null': is not true\.
 

packages/flutter/lib/src/material/ink_well.dart

@@ -685,8 +685,8 @@ class _InkResponseState<T extends InkResponse> extends State<T> with AutomaticKe
 
   bool get enabled => _isWidgetEnabled(widget);
 
-  void _handlePointerEnter(PointerEnterEvent event) => _handleHoverChange(true);
-  void _handlePointerExit(PointerExitEvent event) => _handleHoverChange(false);
+  void _handleMouseEnter(PointerEnterEvent event) => _handleHoverChange(true);
+  void _handleMouseExit(PointerExitEvent event) => _handleHoverChange(false);
   void _handleHoverChange(bool hovering) {
     if (_hovering != hovering) {
       _hovering = hovering;
@@ -702,10 +702,9 @@ class _InkResponseState<T extends InkResponse> extends State<T> with AutomaticKe
       _highlights[type]?.color = getHighlightColorForType(type);
     }
     _currentSplash?.color = widget.splashColor ?? Theme.of(context).splashColor;
-    return Listener(
-      onPointerEnter: enabled ? _handlePointerEnter : null,
-      onPointerExit: enabled ? _handlePointerExit : null,
-      behavior: HitTestBehavior.translucent,
+    return MouseRegion(
+      onEnter: enabled ? _handleMouseEnter : null,
+      onExit: enabled ? _handleMouseExit : null,
       child: GestureDetector(
         onTapDown: enabled ? _handleTapDown : null,
         onTap: enabled ? () => _handleTap(context) : null,

packages/flutter/lib/src/material/text_field.dart

@@ -887,8 +887,8 @@ class _TextFieldState extends State<TextField> with AutomaticKeepAliveClientMixi
     super.deactivate();
   }
 
-  void _handlePointerEnter(PointerEnterEvent event) => _handleHover(true);
-  void _handlePointerExit(PointerExitEvent event) => _handleHover(false);
+  void _handleMouseEnter(PointerEnterEvent event) => _handleHover(true);
+  void _handleMouseExit(PointerExitEvent event) => _handleHover(false);
 
   void _handleHover(bool hovering) {
     if (hovering != _isHovering) {
@@ -1020,9 +1020,9 @@ class _TextFieldState extends State<TextField> with AutomaticKeepAliveClientMixi
           _effectiveController.selection = TextSelection.collapsed(offset: _effectiveController.text.length);
         _requestKeyboard();
       },
-      child: Listener(
-        onPointerEnter: _handlePointerEnter,
-        onPointerExit: _handlePointerExit,
+      child: MouseRegion(
+        onEnter: _handleMouseEnter,
+        onExit: _handleMouseExit,
         child: IgnorePointer(
           ignoring: !(widget.enabled ?? widget.decoration?.enabled ?? true),
           child: _selectionGestureDetectorBuilder.buildGestureDetector(

packages/flutter/lib/src/material/tooltip.dart

@@ -399,9 +399,9 @@ class _TooltipState extends State<Tooltip> with SingleTickerProviderStateMixin {
 
     // Only check for hovering if there is a mouse connected.
     if (_mouseIsConnected) {
-      result = Listener(
-        onPointerEnter: (PointerEnterEvent event) => _showTooltip(),
-        onPointerExit: (PointerExitEvent event) => _hideTooltip(),
+      result = MouseRegion(
+        onEnter: (PointerEnterEvent event) => _showTooltip(),
+        onExit: (PointerExitEvent event) => _hideTooltip(),
         child: result,
       );
     }