mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-13 11:09:17 +08:00
533 lines
16 KiB
Dart
533 lines
16 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'dart:ui' as ui;
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:provider/provider.dart';
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import 'package:wakelock/wakelock.dart';
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import 'package:flutter_custom_cursor/flutter_custom_cursor.dart';
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import 'package:flutter_improved_scrolling/flutter_improved_scrolling.dart';
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import '../../consts.dart';
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import '../../common/widgets/overlay.dart';
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import '../../common/widgets/remote_input.dart';
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import '../../common.dart';
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import '../../mobile/widgets/dialog.dart';
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import '../../models/model.dart';
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import '../../models/platform_model.dart';
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import '../../common/shared_state.dart';
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import '../widgets/remote_menubar.dart';
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bool _isCustomCursorInited = false;
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final SimpleWrapper<bool> _firstEnterImage = SimpleWrapper(false);
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class RemotePage extends StatefulWidget {
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const RemotePage({
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Key? key,
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required this.id,
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required this.windowId,
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required this.tabBarHeight,
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required this.windowBorderWidth,
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}) : super(key: key);
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final String id;
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final int windowId;
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final double tabBarHeight;
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final double windowBorderWidth;
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@override
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State<RemotePage> createState() => _RemotePageState();
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}
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class _RemotePageState extends State<RemotePage>
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with AutomaticKeepAliveClientMixin {
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Timer? _timer;
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String keyboardMode = "legacy";
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final _cursorOverImage = false.obs;
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late RxBool _showRemoteCursor;
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late RxBool _remoteCursorMoved;
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late RxBool _keyboardEnabled;
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final FocusNode _rawKeyFocusNode = FocusNode();
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var _imageFocused = false;
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Function(bool)? _onEnterOrLeaveImage4Menubar;
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late FFI _ffi;
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void _updateTabBarHeight() {
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_ffi.canvasModel.tabBarHeight = widget.tabBarHeight;
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_ffi.canvasModel.windowBorderWidth = widget.windowBorderWidth;
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}
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void _initStates(String id) {
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PrivacyModeState.init(id);
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BlockInputState.init(id);
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CurrentDisplayState.init(id);
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KeyboardEnabledState.init(id);
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ShowRemoteCursorState.init(id);
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RemoteCursorMovedState.init(id);
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_showRemoteCursor = ShowRemoteCursorState.find(id);
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_keyboardEnabled = KeyboardEnabledState.find(id);
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_remoteCursorMoved = RemoteCursorMovedState.find(id);
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}
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void _removeStates(String id) {
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PrivacyModeState.delete(id);
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BlockInputState.delete(id);
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CurrentDisplayState.delete(id);
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ShowRemoteCursorState.delete(id);
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KeyboardEnabledState.delete(id);
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RemoteCursorMovedState.delete(id);
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}
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@override
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void initState() {
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super.initState();
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_initStates(widget.id);
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_ffi = FFI();
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_updateTabBarHeight();
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Get.put(_ffi, tag: widget.id);
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_ffi.start(widget.id);
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WidgetsBinding.instance.addPostFrameCallback((_) {
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: []);
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_ffi.dialogManager
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.showLoading(translate('Connecting...'), onCancel: closeConnection);
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});
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if (!Platform.isLinux) {
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Wakelock.enable();
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}
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_rawKeyFocusNode.requestFocus();
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_ffi.ffiModel.updateEventListener(widget.id);
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_ffi.qualityMonitorModel.checkShowQualityMonitor(widget.id);
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_showRemoteCursor.value = bind.sessionGetToggleOptionSync(
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id: widget.id, arg: 'show-remote-cursor');
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if (!_isCustomCursorInited) {
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customCursorController.registerNeedUpdateCursorCallback(
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(String? lastKey, String? currentKey) async {
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if (_firstEnterImage.value) {
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_firstEnterImage.value = false;
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return true;
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}
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return lastKey == null || lastKey != currentKey;
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});
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_isCustomCursorInited = true;
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}
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}
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@override
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void dispose() {
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debugPrint("REMOTE PAGE dispose ${widget.id}");
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_ffi.dialogManager.hideMobileActionsOverlay();
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_ffi.recordingModel.onClose();
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_rawKeyFocusNode.dispose();
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_ffi.close();
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_timer?.cancel();
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_ffi.dialogManager.dismissAll();
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
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overlays: SystemUiOverlay.values);
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if (!Platform.isLinux) {
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Wakelock.disable();
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}
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Get.delete<FFI>(tag: widget.id);
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super.dispose();
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_removeStates(widget.id);
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}
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Widget buildBody(BuildContext context) {
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return Scaffold(
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backgroundColor: Theme.of(context).backgroundColor,
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body: Overlay(
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initialEntries: [
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OverlayEntry(builder: (context) {
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_ffi.chatModel.setOverlayState(Overlay.of(context));
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_ffi.dialogManager.setOverlayState(Overlay.of(context));
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return Container(
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color: Colors.black,
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child: RawKeyFocusScope(
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focusNode: _rawKeyFocusNode,
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onFocusChange: (bool v) {
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_imageFocused = v;
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},
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inputModel: _ffi.inputModel,
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child: getBodyForDesktop(context)));
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})
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],
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));
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}
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@override
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Widget build(BuildContext context) {
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super.build(context);
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_updateTabBarHeight();
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return WillPopScope(
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onWillPop: () async {
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clientClose(_ffi.dialogManager);
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return false;
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},
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child: MultiProvider(providers: [
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ChangeNotifierProvider.value(value: _ffi.ffiModel),
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ChangeNotifierProvider.value(value: _ffi.imageModel),
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ChangeNotifierProvider.value(value: _ffi.cursorModel),
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ChangeNotifierProvider.value(value: _ffi.canvasModel),
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ChangeNotifierProvider.value(value: _ffi.recordingModel),
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], child: buildBody(context)));
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}
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void enterView(PointerEnterEvent evt) {
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if (!_imageFocused) {
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_rawKeyFocusNode.requestFocus();
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}
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_cursorOverImage.value = true;
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_firstEnterImage.value = true;
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if (_onEnterOrLeaveImage4Menubar != null) {
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try {
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_onEnterOrLeaveImage4Menubar!(true);
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} catch (e) {
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//
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}
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}
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_ffi.inputModel.enterOrLeave(true);
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}
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void leaveView(PointerExitEvent evt) {
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_cursorOverImage.value = false;
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_firstEnterImage.value = false;
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if (_onEnterOrLeaveImage4Menubar != null) {
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try {
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_onEnterOrLeaveImage4Menubar!(false);
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} catch (e) {
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//
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}
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}
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_ffi.inputModel.enterOrLeave(false);
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}
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Widget getBodyForDesktop(BuildContext context) {
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var paints = <Widget>[
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MouseRegion(onEnter: (evt) {
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bind.hostStopSystemKeyPropagate(stopped: false);
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}, onExit: (evt) {
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bind.hostStopSystemKeyPropagate(stopped: true);
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}, child: LayoutBuilder(builder: (context, constraints) {
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Future.delayed(Duration.zero, () {
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Provider.of<CanvasModel>(context, listen: false).updateViewStyle();
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});
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return ImagePaint(
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id: widget.id,
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cursorOverImage: _cursorOverImage,
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keyboardEnabled: _keyboardEnabled,
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remoteCursorMoved: _remoteCursorMoved,
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listenerBuilder: (child) => RawPointerMouseRegion(
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onEnter: enterView,
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onExit: leaveView,
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inputModel: _ffi.inputModel,
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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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paints.add(Obx(() => Visibility(
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visible: _showRemoteCursor.isTrue && _remoteCursorMoved.isTrue,
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child: CursorPaint(
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id: widget.id,
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))));
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paints.add(QualityMonitor(_ffi.qualityMonitorModel));
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paints.add(RemoteMenubar(
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id: widget.id,
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windowId: widget.windowId,
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ffi: _ffi,
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onEnterOrLeaveImageSetter: (func) => _onEnterOrLeaveImage4Menubar = func,
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onEnterOrLeaveImageCleaner: () => _onEnterOrLeaveImage4Menubar = null,
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));
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return Stack(
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children: paints,
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);
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}
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@override
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bool get wantKeepAlive => true;
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}
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class ImagePaint extends StatelessWidget {
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final String id;
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final Rx<bool> cursorOverImage;
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final Rx<bool> keyboardEnabled;
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final Rx<bool> remoteCursorMoved;
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final Widget Function(Widget)? listenerBuilder;
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final ScrollController _horizontal = ScrollController();
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final ScrollController _vertical = ScrollController();
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ImagePaint(
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{Key? key,
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required this.id,
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required this.cursorOverImage,
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required this.keyboardEnabled,
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required this.remoteCursorMoved,
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this.listenerBuilder})
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: super(key: key);
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@override
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Widget build(BuildContext context) {
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final m = Provider.of<ImageModel>(context);
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var c = Provider.of<CanvasModel>(context);
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final s = c.scale;
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mouseRegion({child}) => Obx(() => MouseRegion(
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cursor: cursorOverImage.isTrue
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? keyboardEnabled.isTrue
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? (remoteCursorMoved.isTrue
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? SystemMouseCursors.none
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: _buildCustomCursorLinux(context, s))
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: _buildDisabledCursor(context, s)
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: MouseCursor.defer,
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onHover: (evt) {},
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child: child));
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if (c.scrollStyle == ScrollStyle.scrollbar) {
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final imageWidth = c.getDisplayWidth() * s;
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final imageHeight = c.getDisplayHeight() * s;
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final imageWidget = SizedBox(
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width: imageWidth,
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height: imageHeight,
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child: CustomPaint(
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painter: ImagePainter(image: m.image, x: 0, y: 0, scale: s),
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));
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return NotificationListener<ScrollNotification>(
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onNotification: (notification) {
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final percentX = _horizontal.hasClients
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? _horizontal.position.extentBefore /
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(_horizontal.position.extentBefore +
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_horizontal.position.extentInside +
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_horizontal.position.extentAfter)
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: 0.0;
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final percentY = _vertical.hasClients
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? _vertical.position.extentBefore /
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(_vertical.position.extentBefore +
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_vertical.position.extentInside +
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_vertical.position.extentAfter)
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: 0.0;
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c.setScrollPercent(percentX, percentY);
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return false;
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},
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child: mouseRegion(
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child: _buildCrossScrollbar(context, _buildListener(imageWidget),
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Size(imageWidth, imageHeight))),
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);
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} else {
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final imageWidget = SizedBox(
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width: c.size.width,
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height: c.size.height,
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child: CustomPaint(
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painter:
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ImagePainter(image: m.image, x: c.x / s, y: c.y / s, scale: s),
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));
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return mouseRegion(child: _buildListener(imageWidget));
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}
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}
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MouseCursor _buildCustomCursorLinux(BuildContext context, double scale) {
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final cursor = Provider.of<CursorModel>(context);
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final cacheLinux = cursor.cacheLinux;
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if (cacheLinux == null) {
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return MouseCursor.defer;
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} else {
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final key = cacheLinux.key(scale);
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cursor.addKeyLinux(key);
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return FlutterCustomMemoryImageCursor(
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pixbuf: cacheLinux.data,
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key: key,
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hotx: cacheLinux.hotx,
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hoty: cacheLinux.hoty,
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imageWidth: (cacheLinux.width * scale).toInt(),
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imageHeight: (cacheLinux.height * scale).toInt(),
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);
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}
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}
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MouseCursor _buildDisabledCursor(BuildContext context, double scale) {
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final cursor = Provider.of<CursorModel>(context);
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final cacheLinux = cursor.cacheLinux;
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if (cacheLinux == null) {
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return MouseCursor.defer;
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} else {
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if (cursor.cachedForbidmemoryCursorData == null) {
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cursor.updateForbiddenCursorBuffer();
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}
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final key = 'disabled_cursor_key';
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cursor.addKeyLinux(key);
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return FlutterCustomMemoryImageCursor(
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pixbuf: cursor.cachedForbidmemoryCursorData,
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key: key,
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hotx: cacheLinux.hotx,
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hoty: cacheLinux.hoty,
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imageWidth: 32,
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imageHeight: 32,
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);
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}
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}
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Widget _buildCrossScrollbarFromLayout(
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BuildContext context, Widget child, Size layoutSize, Size size) {
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final scrollConfig = CustomMouseWheelScrollConfig(
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scrollDuration: kDefaultScrollDuration,
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scrollCurve: Curves.linearToEaseOut,
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mouseWheelTurnsThrottleTimeMs:
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kDefaultMouseWheelThrottleDuration.inMilliseconds,
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scrollAmountMultiplier: kDefaultScrollAmountMultiplier);
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var widget = child;
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if (layoutSize.width < size.width) {
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widget = ScrollConfiguration(
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behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
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child: SingleChildScrollView(
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controller: _horizontal,
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scrollDirection: Axis.horizontal,
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physics: cursorOverImage.isTrue
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? const NeverScrollableScrollPhysics()
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: null,
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child: widget,
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),
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);
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} else {
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widget = Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [widget],
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);
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}
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if (layoutSize.height < size.height) {
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widget = ScrollConfiguration(
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behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
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child: SingleChildScrollView(
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controller: _vertical,
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physics: cursorOverImage.isTrue
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? const NeverScrollableScrollPhysics()
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: null,
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child: widget,
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),
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);
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} else {
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widget = Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [widget],
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);
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}
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if (layoutSize.width < size.width) {
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widget = ImprovedScrolling(
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scrollController: _horizontal,
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enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
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customMouseWheelScrollConfig: scrollConfig,
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child: RawScrollbar(
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thumbColor: Colors.grey,
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controller: _horizontal,
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thumbVisibility: false,
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trackVisibility: false,
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notificationPredicate: layoutSize.height < size.height
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? (notification) => notification.depth == 1
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: defaultScrollNotificationPredicate,
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child: widget,
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),
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);
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}
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if (layoutSize.height < size.height) {
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widget = ImprovedScrolling(
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scrollController: _vertical,
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enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
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customMouseWheelScrollConfig: scrollConfig,
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child: RawScrollbar(
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thumbColor: Colors.grey,
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controller: _vertical,
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thumbVisibility: false,
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trackVisibility: false,
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child: widget,
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),
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);
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}
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return widget;
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}
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Widget _buildCrossScrollbar(BuildContext context, Widget child, Size size) {
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var layoutSize = MediaQuery.of(context).size;
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layoutSize = Size(
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layoutSize.width - kWindowBorderWidth * 2,
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layoutSize.height -
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kWindowBorderWidth * 2 -
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kDesktopRemoteTabBarHeight);
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bool overflow =
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layoutSize.width < size.width || layoutSize.height < size.height;
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return overflow
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? Obx(() =>
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_buildCrossScrollbarFromLayout(context, child, layoutSize, size))
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: _buildCrossScrollbarFromLayout(context, child, layoutSize, size);
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}
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Widget _buildListener(Widget child) {
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if (listenerBuilder != null) {
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return listenerBuilder!(child);
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} else {
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return child;
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}
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}
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}
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class CursorPaint extends StatelessWidget {
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final String id;
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const CursorPaint({Key? key, required this.id}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final m = Provider.of<CursorModel>(context);
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final c = Provider.of<CanvasModel>(context);
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// final adjust = m.adjustForKeyboard();
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return CustomPaint(
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painter: ImagePainter(
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image: m.image,
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x: m.x - m.hotx + c.x / c.scale,
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y: m.y - m.hoty + c.y / c.scale,
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scale: c.scale),
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);
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}
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}
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class ImagePainter extends CustomPainter {
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ImagePainter({
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required this.image,
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required this.x,
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required this.y,
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required this.scale,
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});
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ui.Image? image;
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double x;
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double y;
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double scale;
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@override
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void paint(Canvas canvas, Size size) {
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if (image == null) return;
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if (x.isNaN || y.isNaN) return;
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canvas.scale(scale, scale);
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// https://github.com/flutter/flutter/issues/76187#issuecomment-784628161
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// https://api.flutter-io.cn/flutter/dart-ui/FilterQuality.html
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var paint = Paint();
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paint.filterQuality = FilterQuality.medium;
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if (scale > 10.00000) {
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paint.filterQuality = FilterQuality.high;
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}
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canvas.drawImage(image!, Offset(x, y), paint);
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}
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@override
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bool shouldRepaint(CustomPainter oldDelegate) {
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return oldDelegate != this;
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}
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}
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