mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-21 07:57:50 +08:00
874 lines
27 KiB
Dart
874 lines
27 KiB
Dart
import 'dart:async';
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import 'package:desktop_multi_window/desktop_multi_window.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_plus/wakelock_plus.dart';
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import 'package:flutter_improved_scrolling/flutter_improved_scrolling.dart';
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import 'package:flutter_hbb/models/state_model.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 '../../common/widgets/dialog.dart';
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import '../../common/widgets/toolbar.dart';
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import '../../models/model.dart';
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import '../../models/desktop_render_texture.dart';
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import '../../models/platform_model.dart';
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import '../../common/shared_state.dart';
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import '../../utils/image.dart';
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import '../widgets/remote_toolbar.dart';
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import '../widgets/kb_layout_type_chooser.dart';
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import '../widgets/tabbar_widget.dart';
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import 'package:flutter_hbb/native/custom_cursor.dart'
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if (dart.library.html) 'package:flutter_hbb/web/custom_cursor.dart';
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final SimpleWrapper<bool> _firstEnterImage = SimpleWrapper(false);
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// Used to skip session close if "move to new window" is clicked.
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final Map<String, bool> closeSessionOnDispose = {};
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class RemotePage extends StatefulWidget {
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RemotePage({
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Key? key,
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required this.id,
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required this.toolbarState,
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this.sessionId,
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this.tabWindowId,
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this.password,
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this.display,
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this.displays,
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this.tabController,
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this.switchUuid,
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this.forceRelay,
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this.isSharedPassword,
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}) : super(key: key);
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final String id;
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final SessionID? sessionId;
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final int? tabWindowId;
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final int? display;
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final List<int>? displays;
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final String? password;
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final ToolbarState toolbarState;
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final String? switchUuid;
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final bool? forceRelay;
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final bool? isSharedPassword;
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final SimpleWrapper<State<RemotePage>?> _lastState = SimpleWrapper(null);
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final DesktopTabController? tabController;
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FFI get ffi => (_lastState.value! as _RemotePageState)._ffi;
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@override
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State<RemotePage> createState() {
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final state = _RemotePageState();
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_lastState.value = state;
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return state;
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}
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}
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class _RemotePageState extends State<RemotePage>
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with AutomaticKeepAliveClientMixin, MultiWindowListener {
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Timer? _timer;
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String keyboardMode = "legacy";
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bool _isWindowBlur = false;
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final _cursorOverImage = false.obs;
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late RxBool _showRemoteCursor;
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late RxBool _zoomCursor;
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late RxBool _remoteCursorMoved;
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late RxBool _keyboardEnabled;
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var _blockableOverlayState = BlockableOverlayState();
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final FocusNode _rawKeyFocusNode = FocusNode(debugLabel: "rawkeyFocusNode");
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Function(bool)? _onEnterOrLeaveImage4Toolbar;
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late FFI _ffi;
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SessionID get sessionId => _ffi.sessionId;
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void _initStates(String id) {
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initSharedStates(id);
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_zoomCursor = PeerBoolOption.find(id, kOptionZoomCursor);
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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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@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(widget.sessionId);
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Get.put(_ffi, tag: widget.id);
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_ffi.imageModel.addCallbackOnFirstImage((String peerId) {
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showKBLayoutTypeChooserIfNeeded(
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_ffi.ffiModel.pi.platform, _ffi.dialogManager);
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});
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_ffi.start(
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widget.id,
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password: widget.password,
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isSharedPassword: widget.isSharedPassword,
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switchUuid: widget.switchUuid,
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forceRelay: widget.forceRelay,
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tabWindowId: widget.tabWindowId,
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display: widget.display,
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displays: widget.displays,
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);
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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 (!isLinux) {
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WakelockPlus.enable();
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}
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_ffi.ffiModel.updateEventListener(sessionId, widget.id);
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if (!isWeb) bind.pluginSyncUi(syncTo: kAppTypeDesktopRemote);
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_ffi.qualityMonitorModel.checkShowQualityMonitor(sessionId);
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// Session option should be set after models.dart/FFI.start
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_showRemoteCursor.value = bind.sessionGetToggleOptionSync(
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sessionId: sessionId, arg: 'show-remote-cursor');
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_zoomCursor.value = bind.sessionGetToggleOptionSync(
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sessionId: sessionId, arg: kOptionZoomCursor);
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DesktopMultiWindow.addListener(this);
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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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_blockableOverlayState.applyFfi(_ffi);
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widget.tabController?.onSelected?.call(widget.id);
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}
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@override
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void onWindowBlur() {
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super.onWindowBlur();
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// On windows, we use `focus` way to handle keyboard better.
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// Now on Linux, there's some rdev issues which will break the input.
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// We disable the `focus` way for non-Windows temporarily.
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if (isWindows) {
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_isWindowBlur = true;
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// unfocus the primary-focus when the whole window is lost focus,
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// and let OS to handle events instead.
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_rawKeyFocusNode.unfocus();
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}
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stateGlobal.isFocused.value = false;
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}
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@override
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void onWindowFocus() {
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super.onWindowFocus();
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// See [onWindowBlur].
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if (isWindows) {
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_isWindowBlur = false;
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}
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stateGlobal.isFocused.value = true;
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}
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@override
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void onWindowRestore() {
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super.onWindowRestore();
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// On windows, we use `onWindowRestore` way to handle window restore from
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// a minimized state.
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if (isWindows) {
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_isWindowBlur = false;
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}
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if (!isLinux) {
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WakelockPlus.enable();
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}
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}
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// When the window is unminimized, onWindowMaximize or onWindowRestore can be called when the old state was maximized or not.
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@override
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void onWindowMaximize() {
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super.onWindowMaximize();
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if (!isLinux) {
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WakelockPlus.enable();
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}
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}
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@override
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void onWindowMinimize() {
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super.onWindowMinimize();
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if (!isLinux) {
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WakelockPlus.disable();
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}
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}
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@override
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void onWindowEnterFullScreen() {
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super.onWindowEnterFullScreen();
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if (isMacOS) {
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stateGlobal.setFullscreen(true);
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}
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}
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@override
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void onWindowLeaveFullScreen() {
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super.onWindowLeaveFullScreen();
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if (isMacOS) {
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stateGlobal.setFullscreen(false);
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}
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}
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@override
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Future<void> dispose() async {
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final closeSession = closeSessionOnDispose.remove(widget.id) ?? true;
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// https://github.com/flutter/flutter/issues/64935
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super.dispose();
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debugPrint("REMOTE PAGE dispose session $sessionId ${widget.id}");
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_ffi.textureModel.onRemotePageDispose(closeSession);
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// ensure we leave this session, this is a double check
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_ffi.inputModel.enterOrLeave(false);
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DesktopMultiWindow.removeListener(this);
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_ffi.dialogManager.hideMobileActionsOverlay();
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_ffi.imageModel.disposeImage();
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_ffi.cursorModel.disposeImages();
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_ffi.recordingModel.onClose();
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_rawKeyFocusNode.dispose();
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await _ffi.close(closeSession: closeSession);
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_timer?.cancel();
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_ffi.dialogManager.dismissAll();
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if (closeSession) {
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await SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
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overlays: SystemUiOverlay.values);
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}
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if (!isLinux) {
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await WakelockPlus.disable();
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}
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await Get.delete<FFI>(tag: widget.id);
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removeSharedStates(widget.id);
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}
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Widget emptyOverlay() => BlockableOverlay(
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/// the Overlay key will be set with _blockableOverlayState in BlockableOverlay
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/// see override build() in [BlockableOverlay]
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state: _blockableOverlayState,
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underlying: Container(
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color: Colors.transparent,
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),
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);
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Widget buildBody(BuildContext context) {
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remoteToolbar(BuildContext context) => RemoteToolbar(
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id: widget.id,
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ffi: _ffi,
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state: widget.toolbarState,
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onEnterOrLeaveImageSetter: (func) =>
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_onEnterOrLeaveImage4Toolbar = func,
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onEnterOrLeaveImageCleaner: () => _onEnterOrLeaveImage4Toolbar = null,
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setRemoteState: setState,
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);
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bodyWidget() {
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return Stack(
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children: [
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Container(
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color: kColorCanvas,
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child: RawKeyFocusScope(
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focusNode: _rawKeyFocusNode,
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onFocusChange: (bool imageFocused) {
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debugPrint(
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"onFocusChange(window active:${!_isWindowBlur}) $imageFocused");
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// See [onWindowBlur].
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if (isWindows) {
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if (_isWindowBlur) {
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imageFocused = false;
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Future.delayed(Duration.zero, () {
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_rawKeyFocusNode.unfocus();
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});
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}
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if (imageFocused) {
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_ffi.inputModel.enterOrLeave(true);
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} else {
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_ffi.inputModel.enterOrLeave(false);
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}
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}
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},
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inputModel: _ffi.inputModel,
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child: getBodyForDesktop(context))),
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Stack(
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children: [
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_ffi.ffiModel.pi.isSet.isTrue &&
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_ffi.ffiModel.waitForFirstImage.isTrue
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? emptyOverlay()
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: () {
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_ffi.ffiModel.tryShowAndroidActionsOverlay();
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return Offstage();
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}(),
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// Use Overlay to enable rebuild every time on menu button click.
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_ffi.ffiModel.pi.isSet.isTrue
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? Overlay(
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initialEntries: [OverlayEntry(builder: remoteToolbar)])
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: remoteToolbar(context),
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_ffi.ffiModel.pi.isSet.isFalse ? emptyOverlay() : Offstage(),
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],
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),
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],
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);
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}
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return Scaffold(
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backgroundColor: Theme.of(context).colorScheme.background,
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body: Obx(() {
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final imageReady = _ffi.ffiModel.pi.isSet.isTrue &&
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_ffi.ffiModel.waitForFirstImage.isFalse;
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if (imageReady) {
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// If the privacy mode(disable physical displays) is switched,
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// we should not dismiss the dialog immediately.
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if (DateTime.now().difference(togglePrivacyModeTime) >
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const Duration(milliseconds: 3000)) {
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// `dismissAll()` is to ensure that the state is clean.
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// It's ok to call dismissAll() here.
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_ffi.dialogManager.dismissAll();
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// Recreate the block state to refresh the state.
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_blockableOverlayState = BlockableOverlayState();
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_blockableOverlayState.applyFfi(_ffi);
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}
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// Block the whole `bodyWidget()` when dialog shows.
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return BlockableOverlay(
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underlying: bodyWidget(),
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state: _blockableOverlayState,
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);
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} else {
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// `_blockableOverlayState` is not recreated here.
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// The toolbar's block state won't work properly when reconnecting, but that's okay.
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return bodyWidget();
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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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return WillPopScope(
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onWillPop: () async {
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clientClose(sessionId, _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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_cursorOverImage.value = true;
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_firstEnterImage.value = true;
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if (_onEnterOrLeaveImage4Toolbar != null) {
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try {
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_onEnterOrLeaveImage4Toolbar!(true);
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} catch (e) {
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//
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}
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}
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// See [onWindowBlur].
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if (!isWindows) {
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if (!_rawKeyFocusNode.hasFocus) {
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_rawKeyFocusNode.requestFocus();
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}
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_ffi.inputModel.enterOrLeave(true);
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}
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}
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void leaveView(PointerExitEvent evt) {
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if (_ffi.ffiModel.keyboard) {
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_ffi.inputModel.tryMoveEdgeOnExit(evt.position);
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}
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_cursorOverImage.value = false;
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_firstEnterImage.value = false;
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if (_onEnterOrLeaveImage4Toolbar != null) {
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try {
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_onEnterOrLeaveImage4Toolbar!(false);
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} catch (e) {
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//
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}
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}
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// See [onWindowBlur].
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if (!isWindows) {
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_ffi.inputModel.enterOrLeave(false);
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}
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}
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Widget _buildRawTouchAndPointerRegion(
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Widget child,
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PointerEnterEventListener? onEnter,
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PointerExitEventListener? onExit,
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) {
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return RawTouchGestureDetectorRegion(
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child: _buildRawPointerMouseRegion(child, onEnter, onExit),
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ffi: _ffi,
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);
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}
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Widget _buildRawPointerMouseRegion(
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Widget child,
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PointerEnterEventListener? onEnter,
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PointerExitEventListener? onExit,
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) {
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return RawPointerMouseRegion(
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onEnter: onEnter,
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onExit: onExit,
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onPointerDown: (event) {
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// A double check for blur status.
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// Note: If there's an `onPointerDown` event is triggered, `_isWindowBlur` is expected being false.
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// Sometimes the system does not send the necessary focus event to flutter. We should manually
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// handle this inconsistent status by setting `_isWindowBlur` to false. So we can
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// ensure the grab-key thread is running when our users are clicking the remote canvas.
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if (_isWindowBlur) {
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debugPrint(
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"Unexpected status: onPointerDown is triggered while the remote window is in blur status");
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_isWindowBlur = false;
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}
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if (!_rawKeyFocusNode.hasFocus) {
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_rawKeyFocusNode.requestFocus();
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}
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},
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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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Widget getBodyForDesktop(BuildContext context) {
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var paints = <Widget>[
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MouseRegion(onEnter: (evt) {
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if (!isWeb) bind.hostStopSystemKeyPropagate(stopped: false);
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}, onExit: (evt) {
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if (!isWeb) 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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final peerDisplay = CurrentDisplayState.find(widget.id);
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return Obx(
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() => _ffi.ffiModel.pi.isSet.isFalse
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? Container(color: Colors.transparent)
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: Obx(() {
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_ffi.textureModel.updateCurrentDisplay(peerDisplay.value);
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return ImagePaint(
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id: widget.id,
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zoomCursor: _zoomCursor,
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cursorOverImage: _cursorOverImage,
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keyboardEnabled: _keyboardEnabled,
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remoteCursorMoved: _remoteCursorMoved,
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listenerBuilder: (child) => _buildRawTouchAndPointerRegion(
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child, enterView, leaveView),
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ffi: _ffi,
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);
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}),
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);
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}))
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];
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if (!_ffi.canvasModel.cursorEmbedded) {
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paints.add(Obx(() => Offstage(
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offstage: _showRemoteCursor.isFalse || _remoteCursorMoved.isFalse,
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child: CursorPaint(
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id: widget.id,
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zoomCursor: _zoomCursor,
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))));
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}
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paints.add(
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Positioned(
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top: 10,
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right: 10,
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child: _buildRawTouchAndPointerRegion(
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QualityMonitor(_ffi.qualityMonitorModel), null, null),
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),
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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 StatefulWidget {
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final FFI ffi;
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final String id;
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final RxBool zoomCursor;
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final RxBool cursorOverImage;
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final RxBool keyboardEnabled;
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final RxBool remoteCursorMoved;
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final Widget Function(Widget)? listenerBuilder;
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ImagePaint(
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{Key? key,
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required this.ffi,
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required this.id,
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required this.zoomCursor,
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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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State<StatefulWidget> createState() => _ImagePaintState();
|
|
}
|
|
|
|
class _ImagePaintState extends State<ImagePaint> {
|
|
bool _lastRemoteCursorMoved = false;
|
|
|
|
String get id => widget.id;
|
|
RxBool get zoomCursor => widget.zoomCursor;
|
|
RxBool get cursorOverImage => widget.cursorOverImage;
|
|
RxBool get keyboardEnabled => widget.keyboardEnabled;
|
|
RxBool get remoteCursorMoved => widget.remoteCursorMoved;
|
|
Widget Function(Widget)? get listenerBuilder => widget.listenerBuilder;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final m = Provider.of<ImageModel>(context);
|
|
var c = Provider.of<CanvasModel>(context);
|
|
final s = c.scale;
|
|
|
|
bool isViewAdaptive() => c.viewStyle.style == kRemoteViewStyleAdaptive;
|
|
bool isViewOriginal() => c.viewStyle.style == kRemoteViewStyleOriginal;
|
|
|
|
mouseRegion({child}) => Obx(() {
|
|
double getCursorScale() {
|
|
var c = Provider.of<CanvasModel>(context);
|
|
var cursorScale = 1.0;
|
|
if (isWindows) {
|
|
// debug win10
|
|
if (zoomCursor.value && isViewAdaptive()) {
|
|
cursorScale = s * c.devicePixelRatio;
|
|
}
|
|
} else {
|
|
if (zoomCursor.value || isViewOriginal()) {
|
|
cursorScale = s;
|
|
}
|
|
}
|
|
return cursorScale;
|
|
}
|
|
|
|
return MouseRegion(
|
|
cursor: cursorOverImage.isTrue
|
|
? c.cursorEmbedded
|
|
? SystemMouseCursors.none
|
|
: keyboardEnabled.isTrue
|
|
? (() {
|
|
if (remoteCursorMoved.isTrue) {
|
|
_lastRemoteCursorMoved = true;
|
|
return SystemMouseCursors.none;
|
|
} else {
|
|
if (_lastRemoteCursorMoved) {
|
|
_lastRemoteCursorMoved = false;
|
|
_firstEnterImage.value = true;
|
|
}
|
|
return _buildCustomCursor(
|
|
context, getCursorScale());
|
|
}
|
|
}())
|
|
: _buildDisabledCursor(context, getCursorScale())
|
|
: MouseCursor.defer,
|
|
onHover: (evt) {},
|
|
child: child);
|
|
});
|
|
|
|
if (c.imageOverflow.isTrue && c.scrollStyle == ScrollStyle.scrollbar) {
|
|
final paintWidth = c.getDisplayWidth() * s;
|
|
final paintHeight = c.getDisplayHeight() * s;
|
|
final paintSize = Size(paintWidth, paintHeight);
|
|
final paintWidget = useTextureRender
|
|
? _BuildPaintTextureRender(
|
|
c, s, Offset.zero, paintSize, isViewOriginal())
|
|
: _buildScrollbarNonTextureRender(m, paintSize, s);
|
|
return NotificationListener<ScrollNotification>(
|
|
onNotification: (notification) {
|
|
c.updateScrollPercent();
|
|
return false;
|
|
},
|
|
child: mouseRegion(
|
|
child: Obx(() => _buildCrossScrollbarFromLayout(
|
|
context,
|
|
_buildListener(paintWidget),
|
|
c.size,
|
|
paintSize,
|
|
c.scrollHorizontal,
|
|
c.scrollVertical,
|
|
)),
|
|
));
|
|
} else {
|
|
if (c.size.width > 0 && c.size.height > 0) {
|
|
final paintWidget = useTextureRender
|
|
? _BuildPaintTextureRender(
|
|
c,
|
|
s,
|
|
Offset(
|
|
isLinux ? c.x.toInt().toDouble() : c.x,
|
|
isLinux ? c.y.toInt().toDouble() : c.y,
|
|
),
|
|
c.size,
|
|
isViewOriginal())
|
|
: _buildScrollAuthNonTextureRender(m, c, s);
|
|
return mouseRegion(child: _buildListener(paintWidget));
|
|
} else {
|
|
return Container();
|
|
}
|
|
}
|
|
}
|
|
|
|
Widget _buildScrollbarNonTextureRender(
|
|
ImageModel m, Size imageSize, double s) {
|
|
return CustomPaint(
|
|
size: imageSize,
|
|
painter: ImagePainter(image: m.image, x: 0, y: 0, scale: s),
|
|
);
|
|
}
|
|
|
|
Widget _buildScrollAuthNonTextureRender(
|
|
ImageModel m, CanvasModel c, double s) {
|
|
return CustomPaint(
|
|
size: Size(c.size.width, c.size.height),
|
|
painter: ImagePainter(image: m.image, x: c.x / s, y: c.y / s, scale: s),
|
|
);
|
|
}
|
|
|
|
Widget _BuildPaintTextureRender(
|
|
CanvasModel c, double s, Offset offset, Size size, bool isViewOriginal) {
|
|
final ffiModel = c.parent.target!.ffiModel;
|
|
final displays = ffiModel.pi.getCurDisplays();
|
|
final children = <Widget>[];
|
|
final rect = ffiModel.rect;
|
|
if (rect == null) {
|
|
return Container();
|
|
}
|
|
final curDisplay = ffiModel.pi.currentDisplay;
|
|
for (var i = 0; i < displays.length; i++) {
|
|
final textureId = widget.ffi.textureModel
|
|
.getTextureId(curDisplay == kAllDisplayValue ? i : curDisplay);
|
|
if (true) {
|
|
// both "textureId.value != -1" and "true" seems ok
|
|
children.add(Positioned(
|
|
left: (displays[i].x - rect.left) * s + offset.dx,
|
|
top: (displays[i].y - rect.top) * s + offset.dy,
|
|
width: displays[i].width * s,
|
|
height: displays[i].height * s,
|
|
child: Obx(() => Texture(
|
|
textureId: textureId.value,
|
|
filterQuality:
|
|
isViewOriginal ? FilterQuality.none : FilterQuality.low,
|
|
)),
|
|
));
|
|
}
|
|
}
|
|
return SizedBox(
|
|
width: size.width,
|
|
height: size.height,
|
|
child: Stack(children: children),
|
|
);
|
|
}
|
|
|
|
MouseCursor _buildCustomCursor(BuildContext context, double scale) {
|
|
final cursor = Provider.of<CursorModel>(context);
|
|
final cache = cursor.cache ?? preDefaultCursor.cache;
|
|
return buildCursorOfCache(cursor, scale, cache);
|
|
}
|
|
|
|
MouseCursor _buildDisabledCursor(BuildContext context, double scale) {
|
|
final cursor = Provider.of<CursorModel>(context);
|
|
final cache = preForbiddenCursor.cache;
|
|
return buildCursorOfCache(cursor, scale, cache);
|
|
}
|
|
|
|
Widget _buildCrossScrollbarFromLayout(
|
|
BuildContext context,
|
|
Widget child,
|
|
Size layoutSize,
|
|
Size size,
|
|
ScrollController horizontal,
|
|
ScrollController vertical,
|
|
) {
|
|
final scrollConfig = CustomMouseWheelScrollConfig(
|
|
scrollDuration: kDefaultScrollDuration,
|
|
scrollCurve: Curves.linearToEaseOut,
|
|
mouseWheelTurnsThrottleTimeMs:
|
|
kDefaultMouseWheelThrottleDuration.inMilliseconds,
|
|
scrollAmountMultiplier: kDefaultScrollAmountMultiplier);
|
|
var widget = child;
|
|
if (layoutSize.width < size.width) {
|
|
widget = ScrollConfiguration(
|
|
behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
|
|
child: SingleChildScrollView(
|
|
controller: horizontal,
|
|
scrollDirection: Axis.horizontal,
|
|
physics: cursorOverImage.isTrue
|
|
? const NeverScrollableScrollPhysics()
|
|
: null,
|
|
child: widget,
|
|
),
|
|
);
|
|
} else {
|
|
widget = Row(
|
|
children: [
|
|
Container(
|
|
width: ((layoutSize.width - size.width) ~/ 2).toDouble(),
|
|
),
|
|
widget,
|
|
],
|
|
);
|
|
}
|
|
if (layoutSize.height < size.height) {
|
|
widget = ScrollConfiguration(
|
|
behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
|
|
child: SingleChildScrollView(
|
|
controller: vertical,
|
|
physics: cursorOverImage.isTrue
|
|
? const NeverScrollableScrollPhysics()
|
|
: null,
|
|
child: widget,
|
|
),
|
|
);
|
|
} else {
|
|
widget = Column(
|
|
children: [
|
|
Container(
|
|
height: ((layoutSize.height - size.height) ~/ 2).toDouble(),
|
|
),
|
|
widget,
|
|
],
|
|
);
|
|
}
|
|
if (layoutSize.width < size.width) {
|
|
widget = ImprovedScrolling(
|
|
scrollController: horizontal,
|
|
enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
|
|
customMouseWheelScrollConfig: scrollConfig,
|
|
child: RawScrollbar(
|
|
thickness: kScrollbarThickness,
|
|
thumbColor: Colors.grey,
|
|
controller: horizontal,
|
|
thumbVisibility: false,
|
|
trackVisibility: false,
|
|
notificationPredicate: layoutSize.height < size.height
|
|
? (notification) => notification.depth == 1
|
|
: defaultScrollNotificationPredicate,
|
|
child: widget,
|
|
),
|
|
);
|
|
}
|
|
if (layoutSize.height < size.height) {
|
|
widget = ImprovedScrolling(
|
|
scrollController: vertical,
|
|
enableCustomMouseWheelScrolling: cursorOverImage.isFalse,
|
|
customMouseWheelScrollConfig: scrollConfig,
|
|
child: RawScrollbar(
|
|
thickness: kScrollbarThickness,
|
|
thumbColor: Colors.grey,
|
|
controller: vertical,
|
|
thumbVisibility: false,
|
|
trackVisibility: false,
|
|
child: widget,
|
|
),
|
|
);
|
|
}
|
|
|
|
return Container(
|
|
child: widget,
|
|
width: layoutSize.width,
|
|
height: layoutSize.height,
|
|
);
|
|
}
|
|
|
|
Widget _buildListener(Widget child) {
|
|
if (listenerBuilder != null) {
|
|
return listenerBuilder!(child);
|
|
} else {
|
|
return child;
|
|
}
|
|
}
|
|
}
|
|
|
|
class CursorPaint extends StatelessWidget {
|
|
final String id;
|
|
final RxBool zoomCursor;
|
|
|
|
const CursorPaint({
|
|
Key? key,
|
|
required this.id,
|
|
required this.zoomCursor,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final m = Provider.of<CursorModel>(context);
|
|
final c = Provider.of<CanvasModel>(context);
|
|
double hotx = m.hotx;
|
|
double hoty = m.hoty;
|
|
if (m.image == null) {
|
|
if (preDefaultCursor.image != null) {
|
|
hotx = preDefaultCursor.image!.width / 2;
|
|
hoty = preDefaultCursor.image!.height / 2;
|
|
}
|
|
}
|
|
|
|
double cx = c.x;
|
|
double cy = c.y;
|
|
if (c.viewStyle.style == kRemoteViewStyleOriginal &&
|
|
c.scrollStyle == ScrollStyle.scrollbar) {
|
|
final rect = c.parent.target!.ffiModel.rect;
|
|
if (rect == null) {
|
|
// unreachable!
|
|
debugPrint('unreachable! The displays rect is null.');
|
|
return Container();
|
|
}
|
|
if (cx < 0) {
|
|
final imageWidth = rect.width * c.scale;
|
|
cx = -imageWidth * c.scrollX;
|
|
}
|
|
if (cy < 0) {
|
|
final imageHeight = rect.height * c.scale;
|
|
cy = -imageHeight * c.scrollY;
|
|
}
|
|
}
|
|
|
|
double x = (m.x - hotx) * c.scale + cx;
|
|
double y = (m.y - hoty) * c.scale + cy;
|
|
double scale = 1.0;
|
|
final isViewOriginal = c.viewStyle.style == kRemoteViewStyleOriginal;
|
|
if (zoomCursor.value || isViewOriginal) {
|
|
x = m.x - hotx + cx / c.scale;
|
|
y = m.y - hoty + cy / c.scale;
|
|
scale = c.scale;
|
|
}
|
|
|
|
return CustomPaint(
|
|
painter: ImagePainter(
|
|
image: m.image ?? preDefaultCursor.image,
|
|
x: x,
|
|
y: y,
|
|
scale: scale,
|
|
),
|
|
);
|
|
}
|
|
}
|