feat: emote selection

Signed-off-by: dom <githubaccount56556@proton.me>

lib/common/style.dart

@@ -16,4 +16,5 @@ abstract final class Style {
     visualDensity: VisualDensity(horizontal: -2, vertical: -1.25),
     tapTargetSize: .shrinkWrap,
   );
+  static const placeHolder = '\uFFFC';
 }

lib/common/widgets/context_menu/dyn_menu_helper.dart

@@ -63,7 +63,8 @@ void _showEmoteDialog(ModuleDynamicModel? moduleDynamic) {
                   return TextSpan(
                     children: [
                       if (i != 0) const TextSpan(text: '\n\n'),
-                      WidgetSpan(
+                      EmoteSpan(
+                        rawText: Style.placeHolder,
                         child: NetworkImgLayer(
                           src: emoji.url,
                           type: .emote,

lib/common/widgets/context_menu/reply_menu_helper.dart

@@ -23,7 +23,8 @@ void showReplyCopyDialog(
                         return TextSpan(
                           children: [
                             if (i != 0) const TextSpan(text: '\n\n'),
-                            WidgetSpan(
+                            EmoteSpan(
+                              rawText: Style.placeHolder,
                               child: NetworkImgLayer(
                                 src: emote.url,
                                 type: .emote,

lib/common/widgets/emote_span.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/widgets.dart' show WidgetSpan;
+
+class EmoteSpan extends WidgetSpan {
+  const EmoteSpan({
+    required super.child,
+    super.alignment,
+    super.baseline,
+    super.style,
+    this.rawText,
+  });
+
+  @override
+  // ignore: override_on_non_overriding_member
+  final String? rawText;
+}

lib/pages/common/publish/common_rich_text_pub_page.dart

@@ -1,5 +1,6 @@
-import 'dart:io';
+import 'dart:io' show File, HttpException;
 
+import 'package:PiliPlus/common/style.dart';
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/button/toolbar_icon_button.dart';
 import 'package:PiliPlus/common/widgets/flutter/text_field/controller.dart';
@@ -252,8 +253,8 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
     if (emote is e.Emote) {
       final isTextEmote = width == null;
       onInsertText(
-        isTextEmote ? emote.text! : '\uFFFC',
-        RichTextType.emoji,
+        isTextEmote ? emote.text! : Style.placeHolder,
+        .emoji,
         rawText: emote.text!,
         emote: isTextEmote
             ? null
@@ -265,8 +266,8 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
       );
     } else if (emote is Emoticon) {
       onInsertText(
-        '\uFFFC',
-        RichTextType.emoji,
+        Style.placeHolder,
+        .emoji,
         rawText: emote.emoji!,
         emote: Emote(
           url: emote.url!,
@@ -282,13 +283,13 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
     final list = <Map<String, dynamic>>[];
     for (final e in editController.items) {
       switch (e.type) {
-        case RichTextType.text || RichTextType.composing || RichTextType.common:
+        case .text || .composing || .common:
           list.add({
             "raw_text": e.text,
             "type": 1,
             "biz_id": "",
           });
-        case RichTextType.at:
+        case .at:
           list
             ..add({
               "raw_text": '@${e.rawText}',
@@ -300,13 +301,13 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
               "type": 1,
               "biz_id": "",
             });
-        case RichTextType.emoji:
+        case .emoji:
           list.add({
             "raw_text": e.rawText,
             "type": 9,
             "biz_id": "",
           });
-        case RichTextType.vote:
+        case .vote:
           list
             ..add({
               "raw_text": e.rawText,
@@ -346,7 +347,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
   void _onInsertUser(MentionItem e, bool fromClick) {
     onInsertText(
       '@${e.name} ',
-      RichTextType.at,
+      .at,
       rawText: e.name,
       id: e.uid,
       fromClick: fromClick,
@@ -374,7 +375,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
       TextEditingDelta delta;
 
       if (selection.isCollapsed) {
-        if (type == RichTextType.at && fromClick == false) {
+        if (type == .at && fromClick == false) {
           delta = RichTextEditingDeltaReplacement(
             oldText: oldValue.text,
             replacementText: text,

lib/pages/dynamics/widgets/content_panel.dart

@@ -1,5 +1,7 @@
 // 内容
+import 'package:PiliPlus/common/style.dart';
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
+import 'package:PiliPlus/common/widgets/emote_span.dart';
 import 'package:PiliPlus/common/widgets/flutter/text/text.dart' as custom_text;
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/image_grid/image_grid_view.dart';

lib/pages/dynamics/widgets/rich_node_panel.dart

@@ -1,5 +1,6 @@
 import 'dart:io' show Platform;
 
+import 'package:PiliPlus/common/widgets/emote_span.dart';
 import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/image_grid/image_grid_view.dart';
@@ -160,7 +161,8 @@ TextSpan? richNode(
           case 'RICH_TEXT_NODE_TYPE_EMOJI' when (i.emoji != null):
             final size = i.emoji!.size * 20.0;
             spanChildren.add(
-              WidgetSpan(
+              EmoteSpan(
+                rawText: i.origText,
                 child: NetworkImgLayer(
                   src: i.emoji!.url,
                   type: ImageType.emote,

lib/pages/dynamics_detail/view.dart

@@ -154,15 +154,14 @@ class _DynamicDetailPageState
       try {
         for (final e in richTextNodes) {
           if (e.type == 'RICH_TEXT_NODE_TYPE_EMOJI') {
-            const placeHolder = '\uFFFC';
             items.add(
               RichTextItem(
-                text: placeHolder,
+                text: Style.placeHolder,
                 rawText: e.origText,
                 type: .emoji,
                 range: TextRange(
                   start: buffer.length,
-                  end: buffer.length + placeHolder.length,
+                  end: buffer.length + Style.placeHolder.length,
                 ),
                 emote: Emote(
                   url: e.emoji!.url!,
@@ -170,7 +169,7 @@ class _DynamicDetailPageState
                 ),
               ),
             );
-            buffer.write(placeHolder);
+            buffer.write(Style.placeHolder);
             continue;
           }
           final range = TextRange(

lib/pages/video/reply/widgets/reply_item_grpc.dart

@@ -7,6 +7,7 @@ import 'package:PiliPlus/common/widgets/badge.dart';
 import 'package:PiliPlus/common/widgets/custom_icon.dart';
 import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
 import 'package:PiliPlus/common/widgets/dialog/report.dart';
+import 'package:PiliPlus/common/widgets/emote_span.dart';
 import 'package:PiliPlus/common/widgets/flutter/text/text.dart' as custom_text;
 import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';

lib/pages/whisper_detail/widget/chat_item.dart

@@ -4,6 +4,7 @@ import 'dart:math' as math;
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/style.dart';
 import 'package:PiliPlus/common/widgets/badge.dart';
+import 'package:PiliPlus/common/widgets/emote_span.dart';
 import 'package:PiliPlus/common/widgets/gesture/tap_gesture_recognizer.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/image_viewer/hero.dart';
@@ -689,7 +690,8 @@ class ChatItem extends StatelessWidget {
           if (emoji != null) {
             final size = emoji['size'];
             children.add(
-              WidgetSpan(
+              EmoteSpan(
+                rawText: matchStr,
                 child: NetworkImgLayer(
                   width: size,
                   height: size,

lib/scripts/patch.ps1

@@ -45,6 +45,8 @@ $TextFieldPatch = "lib/scripts/text_field.patch"
 
 $ScrollPositionPatch = "lib/scripts/scroll_position.patch"
 
+$SelectionPlaceholderPatch = "lib/scripts/selection_placeholder.patch"
+
 # TODO: remove
 # https://github.com/flutter/flutter/pull/183261
 $SelectableRegionPatch = "lib/scripts/null_safety_for_selectable_region.patch"
@@ -77,7 +79,8 @@ $reverts = @()
 $patches = @($ModalBarrierPatch, $TextSelectionPatch, $MouseCursorPatch,
             $ImageAnimPatch, $LayoutBuilderPatch, $NavigationDrawerPatch,
             $PopupMenuPatch, $FABPatch, $SelectableRegionPatch, $SelectableRegionSelectionPatch,
-            $EditableTextPatch, $TextFieldPatch, $ScrollPositionPatch)
+            $EditableTextPatch, $TextFieldPatch, $ScrollPositionPatch,
+            $SelectionPlaceholderPatch)
 
 switch ($platform.ToLower()) {
     "android" {

lib/scripts/selection_placeholder.patch

@@ -0,0 +1,202 @@
+diff --git a/packages/flutter/lib/src/painting/inline_span.dart b/packages/flutter/lib/src/painting/inline_span.dart
+index 0c4a0be6177..77baa589699 100644
+--- a/packages/flutter/lib/src/painting/inline_span.dart
++++ b/packages/flutter/lib/src/painting/inline_span.dart
+@@ -315,6 +315,21 @@ abstract class InlineSpan extends DiagnosticableTree {
+     return buffer.toString();
+   }
+ 
++  (String, Map<int, String>) toPlainTextV2({
++    bool includeSemanticsLabels = true,
++    bool includePlaceholders = true,
++  }) {
++    final buffer = StringBuffer();
++    final map = <int, String>{};
++    computeToPlainTextV2(
++      buffer,
++      map,
++      includeSemanticsLabels: includeSemanticsLabels,
++      includePlaceholders: includePlaceholders,
++    );
++    return (buffer.toString(), map);
++  }
++
+   /// Flattens the [InlineSpan] tree to a list of
+   /// [InlineSpanSemanticsInformation] objects.
+   ///
+@@ -358,6 +373,14 @@ abstract class InlineSpan extends DiagnosticableTree {
+     bool includePlaceholders = true,
+   });
+ 
++  @protected
++  void computeToPlainTextV2(
++    StringBuffer buffer,
++    Map<int, String> map, {
++    bool includeSemanticsLabels = true,
++    bool includePlaceholders = true,
++  });
++
+   /// Returns the UTF-16 code unit at the given `index` in the flattened string.
+   ///
+   /// This only accounts for the [TextSpan.text] values and ignores [PlaceholderSpan]s.
+diff --git a/packages/flutter/lib/src/painting/placeholder_span.dart b/packages/flutter/lib/src/painting/placeholder_span.dart
+index 110ff860310..7ad808d05bc 100644
+--- a/packages/flutter/lib/src/painting/placeholder_span.dart
++++ b/packages/flutter/lib/src/painting/placeholder_span.dart
+@@ -45,6 +45,7 @@ abstract class PlaceholderSpan extends InlineSpan {
+     this.alignment = ui.PlaceholderAlignment.bottom,
+     this.baseline,
+     super.style,
++    this.rawText,
+   });
+ 
+   /// The unicode character to represent a placeholder.
+@@ -61,6 +62,8 @@ abstract class PlaceholderSpan extends InlineSpan {
+   /// This is ignored when using other alignment modes.
+   final TextBaseline? baseline;
+ 
++  final String? rawText;
++
+   /// [PlaceholderSpan]s are flattened to a `0xFFFC` object replacement character in the
+   /// plain text representation when `includePlaceholders` is true.
+   @override
+@@ -74,6 +77,21 @@ abstract class PlaceholderSpan extends InlineSpan {
+     }
+   }
+ 
++  @override
++  void computeToPlainTextV2(
++    StringBuffer buffer,
++    Map<int, String> map, {
++    bool includeSemanticsLabels = true,
++    bool includePlaceholders = true,
++  }) {
++    if (includePlaceholders) {
++      if (rawText != null) {
++        map[buffer.length] = rawText!;
++      }
++      buffer.writeCharCode(placeholderCodeUnit);
++    }
++  }
++
+   @override
+   void computeSemanticsInformation(List<InlineSpanSemanticsInformation> collector) {
+     collector.add(InlineSpanSemanticsInformation.placeholder);
+diff --git a/packages/flutter/lib/src/painting/text_span.dart b/packages/flutter/lib/src/painting/text_span.dart
+index 09fba7fc4fb..57ee469358e 100644
+--- a/packages/flutter/lib/src/painting/text_span.dart
++++ b/packages/flutter/lib/src/painting/text_span.dart
+@@ -398,6 +398,31 @@ class TextSpan extends InlineSpan implements HitTestTarget, MouseTrackerAnnotati
+     }
+   }
+ 
++  @override
++  void computeToPlainTextV2(
++    StringBuffer buffer,
++    Map<int, String> map, {
++    bool includeSemanticsLabels = true,
++    bool includePlaceholders = true,
++  }) {
++    assert(debugAssertIsValid());
++    if (semanticsLabel != null && includeSemanticsLabels) {
++      buffer.write(semanticsLabel);
++    } else if (text != null) {
++      buffer.write(text);
++    }
++    if (children != null) {
++      for (final InlineSpan child in children!) {
++        child.computeToPlainTextV2(
++          buffer,
++          map,
++          includeSemanticsLabels: includeSemanticsLabels,
++          includePlaceholders: includePlaceholders,
++        );
++      }
++    }
++  }
++
+   @override
+   void computeSemanticsInformation(
+     List<InlineSpanSemanticsInformation> collector, {
+diff --git a/packages/flutter/lib/src/rendering/paragraph.dart b/packages/flutter/lib/src/rendering/paragraph.dart
+index 0be1766148e..56ff3b367ac 100644
+--- a/packages/flutter/lib/src/rendering/paragraph.dart
++++ b/packages/flutter/lib/src/rendering/paragraph.dart
+@@ -502,13 +502,16 @@ class RenderParagraph extends RenderBox
+   }
+ 
+   List<_SelectableFragment> _getSelectableFragments() {
+-    final String plainText = text.toPlainText(includeSemanticsLabels: false);
++    final (String plainText, Map<int, String> placeHolder) = text.toPlainTextV2(
++      includeSemanticsLabels: false,
++    );
+     final result = <_SelectableFragment>[];
+     var start = 0;
+     while (start < plainText.length) {
+       int end = plainText.indexOf(_placeholderCharacter, start);
++      final hasPlaceholder = end != -1;
+       if (start != end) {
+-        if (end == -1) {
++        if (!hasPlaceholder) {
+           end = plainText.length;
+         }
+         result.add(
+@@ -521,6 +524,18 @@ class RenderParagraph extends RenderBox
+         start = end;
+       }
+       start += 1;
++      if (hasPlaceholder) {
++        if (placeHolder[end] case final rawText?) {
++          result.add(
++            _SelectableFragment(
++              paragraph: this,
++              range: TextRange(start: end, end: end + 1),
++              fullText: plainText,
++              rawText: rawText,
++            ),
++          );
++        }
++      }
+     }
+     return result;
+   }
+@@ -1467,7 +1482,7 @@ class RenderParagraph extends RenderBox
+ class _SelectableFragment
+     with Selectable, Diagnosticable, ChangeNotifier
+     implements TextLayoutMetrics {
+-  _SelectableFragment({required this.paragraph, required this.fullText, required this.range})
++  _SelectableFragment({required this.paragraph, required this.fullText, required this.range, this.rawText})
+     : assert(range.isValid && !range.isCollapsed && range.isNormalized) {
+     if (kFlutterMemoryAllocationsEnabled) {
+       ChangeNotifier.maybeDispatchObjectCreation(this);
+@@ -1478,6 +1493,7 @@ class _SelectableFragment
+   final TextRange range;
+   final RenderParagraph paragraph;
+   final String fullText;
++  final String? rawText;
+ 
+   TextPosition? _textSelectionStart;
+   TextPosition? _textSelectionEnd;
+@@ -1626,6 +1642,9 @@ class _SelectableFragment
+     if (_textSelectionStart == null || _textSelectionEnd == null) {
+       return null;
+     }
++    if (rawText != null) {
++      return SelectedContent(plainText: rawText!);
++    }
+     final int start = math.min(_textSelectionStart!.offset, _textSelectionEnd!.offset);
+     final int end = math.max(_textSelectionStart!.offset, _textSelectionEnd!.offset);
+     return SelectedContent(plainText: fullText.substring(start, end));
+diff --git a/packages/flutter/lib/src/widgets/widget_span.dart b/packages/flutter/lib/src/widgets/widget_span.dart
+index 09da3b76525..4a83efb0392 100644
+--- a/packages/flutter/lib/src/widgets/widget_span.dart
++++ b/packages/flutter/lib/src/widgets/widget_span.dart
+@@ -78,7 +78,7 @@ class WidgetSpan extends PlaceholderSpan {
+   ///
+   /// A [TextStyle] may be provided with the [style] property, but only the
+   /// decoration, foreground, background, and spacing options will be used.
+-  const WidgetSpan({required this.child, super.alignment, super.baseline, super.style})
++  const WidgetSpan({required this.child, super.alignment, super.baseline, super.style, super.rawText})
+     : assert(
+         baseline != null ||
+             !(identical(alignment, ui.PlaceholderAlignment.aboveBaseline) ||