Add copy function

lib/components/list_items/message.dart

@@ -4,6 +4,7 @@ import 'package:fluffychat/components/dialogs/redact_message_dialog.dart';
 import 'package:fluffychat/components/message_content.dart';
 import 'package:fluffychat/utils/chat_time.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
 import '../avatar.dart';
 import '../matrix.dart';
@@ -43,6 +44,25 @@ class Message extends StatelessWidget {
         ),
       );
     }
+
+    if (!event.redacted &&
+        [
+          MessageTypes.Text,
+          MessageTypes.Reply,
+          MessageTypes.Location,
+          MessageTypes.Notice,
+          MessageTypes.Emote,
+          MessageTypes.None,
+        ].contains(event.messageType) &&
+        event.getBody().isNotEmpty) {
+      popupMenuList.add(
+        const PopupMenuItem<String>(
+          value: "copy",
+          child: Text('Copy'),
+        ),
+      );
+    }
+
     if (ownMessage && event.status == -1) {
       popupMenuList.add(
         const PopupMenuItem<String>(
@@ -75,6 +95,9 @@ class Message extends StatelessWidget {
               case "delete":
                 await event.remove();
                 break;
+              case "copy":
+                await Clipboard.setData(ClipboardData(text: event.getBody()));
+                break;
             }
           },
           itemBuilder: (BuildContext context) => popupMenuList,

lib/components/message_content.dart

@@ -114,9 +114,12 @@ class MessageContent extends StatelessWidget {
                         ? "You: "
                         : "${event.sender.calcDisplayname()}: "
                     : "";
+            final String body = event.redacted
+                ? "Redacted by ${event.redactedBecause.sender.calcDisplayname()}"
+                : senderPrefix + event.getBody();
             if (textOnly) {
               return Text(
-                senderPrefix + event.getBody(),
+                body,
                 maxLines: maxLines,
                 overflow: TextOverflow.ellipsis,
                 style: TextStyle(
@@ -127,7 +130,7 @@ class MessageContent extends StatelessWidget {
               );
             }
             return LinkText(
-              text: senderPrefix + event.getBody(),
+              text: body,
               textStyle: TextStyle(
                 color: textColor,
                 decoration: event.redacted ? TextDecoration.lineThrough : null,