feat: stylus support (#12196)

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/common/widgets/remote_input.dart

@@ -111,9 +111,13 @@ class _RawTouchGestureDetectorRegionState
     );
   }
 
+  bool isNotTouchBasedDevice() {
+    return !kTouchBasedDeviceKinds.contains(lastDeviceKind); 
+  }
+
   onTapDown(TapDownDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -126,7 +130,7 @@ class _RawTouchGestureDetectorRegionState
   onTapUp(TapUpDetails d) async {
     final TapDownDetails? lastTapDownDetails = _lastTapDownDetails;
     _lastTapDownDetails = null;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -142,7 +146,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onTap() async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (!handleTouch) {
@@ -153,7 +157,7 @@ class _RawTouchGestureDetectorRegionState
 
   onDoubleTapDown(TapDownDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -163,7 +167,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onDoubleTap() async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (ffiModel.touchMode && ffi.cursorModel.lastIsBlocked) {
@@ -179,7 +183,7 @@ class _RawTouchGestureDetectorRegionState
 
   onLongPressDown(LongPressDownDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -198,7 +202,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onLongPressUp() async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -208,7 +212,7 @@ class _RawTouchGestureDetectorRegionState
 
   // for mobiles
   onLongPress() async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (!ffi.ffiModel.isPeerMobile) {
@@ -228,7 +232,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onLongPressMoveUpdate(LongPressMoveUpdateDetails d) async {
-    if (!ffiModel.isPeerMobile || lastDeviceKind != PointerDeviceKind.touch) {
+    if (!ffiModel.isPeerMobile || isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -241,7 +245,7 @@ class _RawTouchGestureDetectorRegionState
 
   onDoubleFinerTapDown(TapDownDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     _doubleFinerTapPosition = d.localPosition;
@@ -250,7 +254,7 @@ class _RawTouchGestureDetectorRegionState
 
   onDoubleFinerTap(TapDownDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
 
@@ -266,7 +270,7 @@ class _RawTouchGestureDetectorRegionState
 
   onHoldDragStart(DragStartDetails d) async {
     lastDeviceKind = d.kind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (!handleTouch) {
@@ -275,7 +279,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onHoldDragUpdate(DragUpdateDetails d) async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (!handleTouch) {
@@ -284,7 +288,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onHoldDragEnd(DragEndDetails d) async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (!handleTouch) {
@@ -296,7 +300,7 @@ class _RawTouchGestureDetectorRegionState
     final TapDownDetails? lastTapDownDetails = _lastTapDownDetails;
     _lastTapDownDetails = null;
     lastDeviceKind = d.kind ?? lastDeviceKind;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (handleTouch) {
@@ -342,7 +346,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onOneFingerPanUpdate(DragUpdateDetails d) async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (ffi.cursorModel.shouldBlock(d.localPosition.dx, d.localPosition.dy)) {
@@ -356,7 +360,7 @@ class _RawTouchGestureDetectorRegionState
 
   onOneFingerPanEnd(DragEndDetails d) async {
     _touchModePanStarted = false;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if (isDesktop || isWebDesktop) {
@@ -370,13 +374,13 @@ class _RawTouchGestureDetectorRegionState
   // scale + pan event
   onTwoFingerScaleStart(ScaleStartDetails d) {
     _lastTapDownDetails = null;
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
   }
 
   onTwoFingerScaleUpdate(ScaleUpdateDetails d) async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if ((isDesktop || isWebDesktop)) {
@@ -401,7 +405,7 @@ class _RawTouchGestureDetectorRegionState
   }
 
   onTwoFingerScaleEnd(ScaleEndDetails d) async {
-    if (lastDeviceKind != PointerDeviceKind.touch) {
+    if (isNotTouchBasedDevice()) {
       return;
     }
     if ((isDesktop || isWebDesktop)) {

flutter/lib/consts.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
 import 'package:flutter_hbb/models/state_model.dart';
@@ -336,6 +337,12 @@ const kRemoteImageQualityCustom = 'custom';
 
 const kIgnoreDpi = true;
 
+const Set<PointerDeviceKind> kTouchBasedDeviceKinds = {
+  PointerDeviceKind.touch,
+  PointerDeviceKind.stylus,
+  PointerDeviceKind.invertedStylus,
+};
+
 // ================================ mobile ================================
 
 // Magic numbers, maybe need to avoid it or use a better way to get them.