tweaks (#1444)

* opt: proxy

* opt: calcWindowPosition

* fix: height depend on svg

* bump

* fix

* ci: cache linux

* string systemProxyPort

---------

Co-authored-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/article/widgets/opus_content.dart

@@ -1,5 +1,6 @@
 import 'dart:math';
 
+import 'package:PiliPlus/common/widgets/cached_network_svg_image.dart';
 import 'package:PiliPlus/common/widgets/image/custom_grid_view.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/http/constants.dart';
@@ -15,7 +16,6 @@ import 'package:PiliPlus/utils/extension.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
-import 'package:cached_network_svg_image/cached_network_svg_image.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
@@ -88,7 +88,6 @@ class OpusContent extends StatelessWidget {
           child: CachedNetworkSVGImage(
             cacheKey: latex,
             semanticsLabel: latex,
-            height: 65,
             '${HttpString.apiBaseUrl}/x/web-frontend/mathjax/tex?formula=${Uri.encodeComponent(latex)}',
             colorFilter: ColorFilter.mode(
               colorScheme.onSurfaceVariant,
@@ -96,6 +95,7 @@ class OpusContent extends StatelessWidget {
             ),
             alignment: Alignment.centerLeft,
             placeholderBuilder: (_) => Text(latex),
+            errorWidget: Text(latex),
           ),
         );
       default:

lib/pages/setting/models/extra_settings.dart

@@ -984,7 +984,7 @@ List<SettingsModel> get extraSettings => [
                 TextField(
                   decoration: InputDecoration(
                     isDense: true,
-                    labelText: systemProxyHost != ''
+                    labelText: systemProxyHost.isNotEmpty
                         ? systemProxyHost
                         : '请输入Host，使用 . 分割',
                     border: const OutlineInputBorder(
@@ -992,16 +992,14 @@ List<SettingsModel> get extraSettings => [
                     ),
                     hintText: systemProxyHost,
                   ),
-                  onChanged: (e) {
-                    systemProxyHost = e;
-                  },
+                  onChanged: (e) => systemProxyHost = e,
                 ),
                 const SizedBox(height: 10),
                 TextField(
                   keyboardType: TextInputType.number,
                   decoration: InputDecoration(
                     isDense: true,
-                    labelText: systemProxyPort != ''
+                    labelText: systemProxyPort.isNotEmpty
                         ? systemProxyPort
                         : '请输入Port',
                     border: const OutlineInputBorder(
@@ -1009,9 +1007,8 @@ List<SettingsModel> get extraSettings => [
                     ),
                     hintText: systemProxyPort,
                   ),
-                  onChanged: (e) {
-                    systemProxyPort = e;
-                  },
+                  inputFormatters: [FilteringTextInputFormatter.digitsOnly],
+                  onChanged: (e) => systemProxyPort = e,
                 ),
               ],
             ),