feat(linux): disable recording window changes when in tiling wm envir…

…onment

CHANGELOG.md

@@ -65,6 +65,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
   - 默认开启，可在设置 -> 窗口中关闭。
 - app: 桌面平台支持窗口居中。
   - 默认关闭，可在设置 -> 窗口中开启。
+- app: 在linux上通过`XDG_CURRENT_DESKTOP`检查是否位于平铺窗管环境中，如果是，不再记录窗口大小和位置。
 - 登录：在登录界面显示注册账户的跳转链接。
 - 历史：新增帖子浏览记录。
   - 记录帖子名称、浏览的用户，帖子所在分区以及浏览时间。

lib/app.dart

@@ -219,7 +219,7 @@ class _AppState extends State<App> with WindowListener {
   @override
   Future<void> onWindowMove() async {
     super.onWindowMove();
-    if (isDesktop) {
+    if (isDesktop && !cmdArgs.noWindowChangeRecords) {
       _windowPosition = await windowManager.getPosition();
       setupWindowPositionTimer();
     }
@@ -228,7 +228,7 @@ class _AppState extends State<App> with WindowListener {
   @override
   Future<void> onWindowResize() async {
     super.onWindowResize();
-    if (isDesktop) {
+    if (isDesktop && !cmdArgs.noWindowChangeRecords) {
       _windowSize = await windowManager.getSize();
       setupWindowSizeTimer();
     }

lib/cmd.dart

@@ -1,35 +1,80 @@
+import 'dart:io' if (dart.libaray.js) 'package:web/web.dart';
+
 import 'package:args/args.dart';
 import 'package:tsdm_client/instance.dart';
 
+const _linuxTilingWindowManagers = [
+  'bspwm',
+  'dwm',
+  'hyprland',
+  'i3wm',
+  'niri',
+  'sway',
+];
+
 /// All flags in cmdline.
 abstract class Flags {
   /// Disable window related configs, including window size, window title and
   /// window position.
   ///
   /// Set to false if needed, as in recovery mode.
   static const noWindowConfigs = 'no-window-configs';
+
+  /// Disable recoding window status changes, including:
+  ///
+  /// * Window size changes.
+  /// * Window position changes.
+  static const noWindowChangeRecords = 'no-window-change-records';
 }
 
 /// Cmdline arguments parsed result.
 class CmdArgs {
   /// Constructor.
   const CmdArgs({
     required this.noWindowConfigs,
+    required this.noWindowChangeRecords,
   });
 
   /// Disable window related configs.
   ///
   /// Set to `true` will disable window_manager related features.
   /// Also the **ONLY** way to disable it.
   final bool noWindowConfigs;
+
+  /// Disable recording window state changes.
+  ///
+  /// Set to `true` will stop recoding window state change features, window size
+  /// and window position in config storage no longer updates.
+  final bool noWindowChangeRecords;
 }
 
 /// Parse cmdline [args] into global variable [cmdArgs].
 void parseCmdArgs(List<String> args) {
-  final parser = ArgParser()..addFlag(Flags.noWindowConfigs, negatable: false);
-
+  final parser = ArgParser()
+    ..addFlag(Flags.noWindowConfigs, negatable: false)
+    ..addFlag(Flags.noWindowChangeRecords, negatable: false);
   final argsResult = parser.parse(args);
+
+  var noWindowConfig = argsResult.flag(Flags.noWindowConfigs);
+  var noWindowChangeRecords = argsResult.flag(Flags.noWindowChangeRecords);
+
+  final envInTilingWindowManager = _linuxTilingWindowManagers
+      .contains(Platform.environment['XDG_CURRENT_DESKTOP']);
+
+  if (Platform.isLinux && !noWindowConfig && envInTilingWindowManager) {
+    talker.debug('set no-window-configs to true due to ENV '
+        'detected as tiling window manager');
+    noWindowConfig = true;
+  }
+
+  if (Platform.isLinux && !noWindowChangeRecords && envInTilingWindowManager) {
+    talker.debug('set no-window-change-records to true due to ENV '
+        'detected as tiling window manager');
+    noWindowChangeRecords = true;
+  }
+
   cmdArgs = CmdArgs(
-    noWindowConfigs: argsResult.flag(Flags.noWindowConfigs),
+    noWindowConfigs: noWindowConfig,
+    noWindowChangeRecords: noWindowChangeRecords,
   );
 }