fix: fix issue #75

lib/frontend/screens/chats/chat/view/selection_bar.dart

@@ -8,10 +8,10 @@ class SelectionTopBar extends StatelessWidget {
   final ColorScheme cs;
   final Set<String> selected;
   final bool glossy;
-  final CachedMessage? copyMsg;
+  final List<CachedMessage> copyMsgs;
   final CachedMessage? editMsg;
   final VoidCallback onClear;
-  final void Function(CachedMessage) onCopy;
+  final void Function(List<CachedMessage>) onCopy;
   final void Function(CachedMessage) onEdit;
   final VoidCallback onDelete;
 
@@ -20,7 +20,7 @@ class SelectionTopBar extends StatelessWidget {
     required this.cs,
     required this.selected,
     required this.glossy,
-    required this.copyMsg,
+    required this.copyMsgs,
     required this.editMsg,
     required this.onClear,
     required this.onCopy,
@@ -56,10 +56,10 @@ class SelectionTopBar extends StatelessWidget {
                 ),
               ),
             ),
-            if (copyMsg != null)
+            if (copyMsgs.isNotEmpty)
               IconButton(
                 icon: Icon(Symbols.content_copy, color: cs.onSurface),
-                onPressed: () => onCopy(copyMsg!),
+                onPressed: () => onCopy(copyMsgs),
               ),
             if (editMsg != null)
               IconButton(
@@ -130,8 +130,8 @@ class SelectionTopBar extends StatelessWidget {
               child: Row(
                 mainAxisSize: MainAxisSize.min,
                 children: [
-                  if (copyMsg != null)
-                    actionBtn(Symbols.content_copy, () => onCopy(copyMsg!)),
+                  if (copyMsgs.isNotEmpty)
+                    actionBtn(Symbols.content_copy, () => onCopy(copyMsgs)),
                   if (editMsg != null)
                     actionBtn(Symbols.edit, () => onEdit(editMsg!)),
                   actionBtn(Symbols.delete, onDelete),

lib/frontend/screens/chats/chat_screen.dart

@@ -2383,17 +2383,10 @@ class _ChatScreenState extends State<ChatScreen>
   List<CachedMessage> _selectedMessages(Set<String> ids) =>
       _messages.where((m) => ids.contains(m.id)).toList();
 
-  CachedMessage? _singleCopyableText(Set<String> ids) {
-    CachedMessage? found;
-    var textCount = 0;
-    for (final m in _messages) {
-      if (!ids.contains(m.id)) continue;
-      if ((m.text ?? '').isEmpty) continue;
-      if (++textCount > 1) return null;
-      found = m;
-    }
-    return found;
-  }
+  List<CachedMessage> _copyableSelection(Set<String> ids) => [
+    for (final m in _messages)
+      if (ids.contains(m.id) && (m.selectableText ?? '').isNotEmpty) m,
+  ];
 
   CachedMessage? _singleEditable(Set<String> ids) {
     if (ids.length != 1) return null;
@@ -2402,9 +2395,9 @@ class _ChatScreenState extends State<ChatScreen>
     return _canEditMessage(list.first) ? list.first : null;
   }
 
-  void _copySelected(CachedMessage message) {
-    final text = message.text;
-    if (text == null || text.isEmpty) return;
+  void _copySelected(List<CachedMessage> messages) {
+    if (messages.isEmpty) return;
+    final text = messages.map((m) => m.selectableText!).join('\n\n');
     Clipboard.setData(ClipboardData(text: text));
     Haptics.tap();
     showCustomNotification(context, 'Скопировано');
@@ -3223,7 +3216,7 @@ class _ChatScreenState extends State<ChatScreen>
                             cs: cs,
                             selected: selected,
                             glossy: glossy,
-                            copyMsg: _singleCopyableText(selected),
+                            copyMsgs: _copyableSelection(selected),
                             editMsg: _singleEditable(selected),
                             onClear: _clearSelection,
                             onCopy: _copySelected,
@@ -6330,11 +6323,9 @@ class _ChatScreenState extends State<ChatScreen>
         if (info.durationMs > 0) durationMs = info.durationMs;
         if (info.width > 0 && info.height > 0) dims = (info.width, info.height);
       }
-      final frames = await VideoTranscoder.frames(
-        edited.path,
-        const [0],
-        size: 512,
-      );
+      final frames = await VideoTranscoder.frames(edited.path, const [
+        0,
+      ], size: 512);
       if (frames.isNotEmpty) thumbBytes = frames.first;
     }
     if (durationMs == null && DesktopVideoProbe.supported) {
@@ -7212,6 +7203,7 @@ class _SelectableMessageRowState extends State<_SelectableMessageRow> {
       tapPoint: _lastTapDown ?? rect.center,
       isMe: widget.isMe,
       messageText: widget.message.text,
+      copyText: widget.message.selectableText,
       controller: controller,
       style: AppMessageActionsStyle.current.value,
       interaction: MessageActionsInteraction.tap,
@@ -7281,6 +7273,7 @@ class _SelectableMessageRowState extends State<_SelectableMessageRow> {
       tapPoint: details.globalPosition,
       isMe: widget.isMe,
       messageText: widget.message.text,
+      copyText: widget.message.selectableText,
       controller: controller,
       style: MessageActionsStyle.list,
       interaction: MessageActionsInteraction.click,