mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-04 20:21:35 +08:00
452 lines
13 KiB
Dart
452 lines
13 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter_hbb/models/platform_model.dart';
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import 'package:flutter_hbb/common.dart';
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import 'package:flutter_hbb/consts.dart';
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import 'package:flutter_hbb/models/model.dart';
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import 'package:flutter_hbb/models/input_model.dart';
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import './gestures.dart';
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class RawKeyFocusScope extends StatelessWidget {
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final FocusNode? focusNode;
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final ValueChanged<bool>? onFocusChange;
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final InputModel inputModel;
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final Widget child;
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RawKeyFocusScope({
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this.focusNode,
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this.onFocusChange,
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required this.inputModel,
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required this.child,
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});
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@override
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Widget build(BuildContext context) {
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return FocusScope(
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autofocus: true,
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child: Focus(
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autofocus: true,
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canRequestFocus: true,
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focusNode: focusNode,
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onFocusChange: onFocusChange,
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onKey: (FocusNode data, RawKeyEvent e) =>
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inputModel.handleRawKeyEvent(e),
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child: child));
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}
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}
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class RawTouchGestureDetectorRegion extends StatefulWidget {
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final Widget child;
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final FFI ffi;
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late final InputModel inputModel = ffi.inputModel;
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late final FfiModel ffiModel = ffi.ffiModel;
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RawTouchGestureDetectorRegion({
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required this.child,
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required this.ffi,
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});
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@override
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State<RawTouchGestureDetectorRegion> createState() =>
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_RawTouchGestureDetectorRegionState();
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}
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/// touchMode only:
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/// LongPress -> right click
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/// OneFingerPan -> start/end -> left down start/end
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/// onDoubleTapDown -> move to
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/// onLongPressDown => move to
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///
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/// mouseMode only:
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/// DoubleFiner -> right click
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/// HoldDrag -> left drag
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class _RawTouchGestureDetectorRegionState
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extends State<RawTouchGestureDetectorRegion> {
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Offset _cacheLongPressPosition = Offset(0, 0);
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// Timestamp of the last long press event.
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int _cacheLongPressPositionTs = 0;
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double _mouseScrollIntegral = 0; // mouse scroll speed controller
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double _scale = 1;
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PointerDeviceKind? lastDeviceKind;
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FFI get ffi => widget.ffi;
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FfiModel get ffiModel => widget.ffiModel;
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InputModel get inputModel => widget.inputModel;
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bool get handleTouch => (isDesktop || isWebDesktop) || ffiModel.touchMode;
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SessionID get sessionId => ffi.sessionId;
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@override
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Widget build(BuildContext context) {
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return RawGestureDetector(
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child: widget.child,
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gestures: makeGestures(context),
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);
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}
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onTapDown(TapDownDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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// Desktop or mobile "Touch mode"
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if (ffi.cursorModel.move(d.localPosition.dx, d.localPosition.dy)) {
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inputModel.tapDown(MouseButtons.left);
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}
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}
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}
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onTapUp(TapUpDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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if (ffi.cursorModel.move(d.localPosition.dx, d.localPosition.dy)) {
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inputModel.tapUp(MouseButtons.left);
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}
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}
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}
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onTap() {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (!handleTouch) {
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// Mobile, "Mouse mode"
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inputModel.tap(MouseButtons.left);
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}
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}
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onDoubleTapDown(TapDownDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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ffi.cursorModel.move(d.localPosition.dx, d.localPosition.dy);
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}
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}
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onDoubleTap() {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (ffiModel.touchMode && ffi.cursorModel.lastIsBlocked) {
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return;
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}
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inputModel.tap(MouseButtons.left);
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inputModel.tap(MouseButtons.left);
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}
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onLongPressDown(LongPressDownDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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ffi.cursorModel.move(d.localPosition.dx, d.localPosition.dy);
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_cacheLongPressPosition = d.localPosition;
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_cacheLongPressPositionTs = DateTime.now().millisecondsSinceEpoch;
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}
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}
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onLongPressUp() {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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inputModel.tapUp(MouseButtons.left);
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}
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}
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// for mobiles
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onLongPress() {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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ffi.cursorModel
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.move(_cacheLongPressPosition.dx, _cacheLongPressPosition.dy);
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}
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inputModel.tap(MouseButtons.right);
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}
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onDoubleFinerTapDown(TapDownDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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// ignore for desktop and mobile
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}
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onDoubleFinerTap(TapDownDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if ((isDesktop || isWebDesktop) || !ffiModel.touchMode) {
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inputModel.tap(MouseButtons.right);
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}
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}
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onHoldDragStart(DragStartDetails d) {
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lastDeviceKind = d.kind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (!handleTouch) {
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inputModel.sendMouse('down', MouseButtons.left);
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}
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}
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onHoldDragUpdate(DragUpdateDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (!handleTouch) {
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ffi.cursorModel.updatePan(d.delta, d.localPosition, handleTouch);
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}
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}
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onHoldDragEnd(DragEndDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (!handleTouch) {
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inputModel.sendMouse('up', MouseButtons.left);
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}
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}
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onOneFingerPanStart(BuildContext context, DragStartDetails d) {
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lastDeviceKind = d.kind ?? lastDeviceKind;
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (handleTouch) {
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if (ffi.cursorModel.shouldBlock(d.localPosition.dx, d.localPosition.dy)) {
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return;
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}
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if (isDesktop) {
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ffi.cursorModel.trySetRemoteWindowCoords();
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}
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// Workaround for the issue that the first pan event is sent a long time after the start event.
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// If the time interval between the start event and the first pan event is less than 500ms,
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// we consider to use the long press position as the start position.
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//
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// TODO: We should find a better way to send the first pan event as soon as possible.
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if (DateTime.now().millisecondsSinceEpoch - _cacheLongPressPositionTs <
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500) {
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ffi.cursorModel
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.move(_cacheLongPressPosition.dx, _cacheLongPressPosition.dy);
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}
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inputModel.sendMouse('down', MouseButtons.left);
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ffi.cursorModel.move(d.localPosition.dx, d.localPosition.dy);
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} else {
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final offset = ffi.cursorModel.offset;
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final cursorX = offset.dx;
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final cursorY = offset.dy;
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final visible =
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ffi.cursorModel.getVisibleRect().inflate(1); // extend edges
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final size = MediaQueryData.fromView(View.of(context)).size;
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if (!visible.contains(Offset(cursorX, cursorY))) {
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ffi.cursorModel.move(size.width / 2, size.height / 2);
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}
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}
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}
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onOneFingerPanUpdate(DragUpdateDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (ffi.cursorModel.shouldBlock(d.localPosition.dx, d.localPosition.dy)) {
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return;
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}
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ffi.cursorModel.updatePan(d.delta, d.localPosition, handleTouch);
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}
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onOneFingerPanEnd(DragEndDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if (isDesktop) {
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ffi.cursorModel.clearRemoteWindowCoords();
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}
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inputModel.sendMouse('up', MouseButtons.left);
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}
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// scale + pan event
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onTwoFingerScaleStart(ScaleStartDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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}
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onTwoFingerScaleUpdate(ScaleUpdateDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if ((isDesktop || isWebDesktop)) {
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final scale = ((d.scale - _scale) * 1000).toInt();
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_scale = d.scale;
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if (scale != 0) {
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bind.sessionSendPointer(
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sessionId: sessionId,
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msg: json.encode(
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PointerEventToRust(kPointerEventKindTouch, 'scale', scale)
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.toJson()));
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}
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} else {
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// mobile
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ffi.canvasModel.updateScale(d.scale / _scale, d.focalPoint);
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_scale = d.scale;
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ffi.canvasModel.panX(d.focalPointDelta.dx);
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ffi.canvasModel.panY(d.focalPointDelta.dy);
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}
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}
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onTwoFingerScaleEnd(ScaleEndDetails d) {
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if (lastDeviceKind != PointerDeviceKind.touch) {
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return;
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}
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if ((isDesktop || isWebDesktop)) {
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bind.sessionSendPointer(
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sessionId: sessionId,
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msg: json.encode(
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PointerEventToRust(kPointerEventKindTouch, 'scale', 0).toJson()));
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} else {
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// mobile
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_scale = 1;
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bind.sessionSetViewStyle(sessionId: sessionId, value: "");
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}
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inputModel.sendMouse('up', MouseButtons.left);
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}
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get onHoldDragCancel => null;
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get onThreeFingerVerticalDragUpdate => ffi.ffiModel.isPeerAndroid
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? null
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: (d) {
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_mouseScrollIntegral += d.delta.dy / 4;
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if (_mouseScrollIntegral > 1) {
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inputModel.scroll(1);
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_mouseScrollIntegral = 0;
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} else if (_mouseScrollIntegral < -1) {
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inputModel.scroll(-1);
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_mouseScrollIntegral = 0;
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}
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};
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makeGestures(BuildContext context) {
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return <Type, GestureRecognizerFactory>{
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// Official
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TapGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<TapGestureRecognizer>(
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() => TapGestureRecognizer(), (instance) {
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instance
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..onTapDown = onTapDown
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..onTapUp = onTapUp
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..onTap = onTap;
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}),
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DoubleTapGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<DoubleTapGestureRecognizer>(
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() => DoubleTapGestureRecognizer(), (instance) {
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instance
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..onDoubleTapDown = onDoubleTapDown
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..onDoubleTap = onDoubleTap;
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}),
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LongPressGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<LongPressGestureRecognizer>(
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() => LongPressGestureRecognizer(), (instance) {
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instance
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..onLongPressDown = onLongPressDown
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..onLongPressUp = onLongPressUp
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..onLongPress = onLongPress;
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}),
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// Customized
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HoldTapMoveGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<HoldTapMoveGestureRecognizer>(
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() => HoldTapMoveGestureRecognizer(),
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(instance) => instance
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..onHoldDragStart = onHoldDragStart
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..onHoldDragUpdate = onHoldDragUpdate
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..onHoldDragCancel = onHoldDragCancel
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..onHoldDragEnd = onHoldDragEnd),
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DoubleFinerTapGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<DoubleFinerTapGestureRecognizer>(
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() => DoubleFinerTapGestureRecognizer(), (instance) {
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instance
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..onDoubleFinerTap = onDoubleFinerTap
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..onDoubleFinerTapDown = onDoubleFinerTapDown;
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}),
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CustomTouchGestureRecognizer:
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GestureRecognizerFactoryWithHandlers<CustomTouchGestureRecognizer>(
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() => CustomTouchGestureRecognizer(), (instance) {
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instance.onOneFingerPanStart =
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(DragStartDetails d) => onOneFingerPanStart(context, d);
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instance
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..onOneFingerPanUpdate = onOneFingerPanUpdate
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..onOneFingerPanEnd = onOneFingerPanEnd
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..onTwoFingerScaleStart = onTwoFingerScaleStart
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..onTwoFingerScaleUpdate = onTwoFingerScaleUpdate
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..onTwoFingerScaleEnd = onTwoFingerScaleEnd
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..onThreeFingerVerticalDragUpdate = onThreeFingerVerticalDragUpdate;
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}),
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};
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}
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}
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class RawPointerMouseRegion extends StatelessWidget {
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final InputModel inputModel;
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final Widget child;
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final MouseCursor? cursor;
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final PointerEnterEventListener? onEnter;
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final PointerExitEventListener? onExit;
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final PointerDownEventListener? onPointerDown;
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final PointerUpEventListener? onPointerUp;
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RawPointerMouseRegion({
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this.onEnter,
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this.onExit,
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this.cursor,
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this.onPointerDown,
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this.onPointerUp,
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required this.inputModel,
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required this.child,
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});
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@override
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Widget build(BuildContext context) {
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return Listener(
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onPointerHover: inputModel.onPointHoverImage,
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onPointerDown: (evt) {
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onPointerDown?.call(evt);
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inputModel.onPointDownImage(evt);
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},
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onPointerUp: (evt) {
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onPointerUp?.call(evt);
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inputModel.onPointUpImage(evt);
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},
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onPointerMove: inputModel.onPointMoveImage,
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onPointerSignal: inputModel.onPointerSignalImage,
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onPointerPanZoomStart: inputModel.onPointerPanZoomStart,
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onPointerPanZoomUpdate: inputModel.onPointerPanZoomUpdate,
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onPointerPanZoomEnd: inputModel.onPointerPanZoomEnd,
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child: MouseRegion(
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cursor: inputModel.isViewOnly
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? MouseCursor.defer
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: (cursor ?? MouseCursor.defer),
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onEnter: onEnter,
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onExit: onExit,
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child: child,
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),
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);
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}
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}
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