The lock file already helps to prevent rewriting current opened pattern file.

--HG--
branch : develop

src/app/valentina/mainwindow.cpp

@@ -2091,6 +2091,7 @@ bool MainWindow::SaveAs()
     if (QFileInfo(fileName).exists())
     {
         // Temporary try to lock the file before saving
+        // Also help to rewite current read-only pattern
         VLockGuard<char> tmp(fileName);
         if (not tmp.IsLocked())
         {
@@ -2100,20 +2101,6 @@ bool MainWindow::SaveAs()
         }
     }
 
-    if (curFile == fileName && patternReadOnly)
-    {
-        const QString message = QString("Failed to save the pattern '%1'. Error writing. The document is read-only.")
-                .arg(fileName);
-        QMessageBox messageBox;
-        messageBox.setIcon(QMessageBox::Critical);
-        messageBox.setInformativeText(message);
-        messageBox.setDefaultButton(QMessageBox::Ok);
-        messageBox.setStandardButtons(QMessageBox::Ok);
-        messageBox.exec();
-
-        return false;
-    }
-
     // Need for restoring previous state in case of failure
     const bool wasModified = doc->IsModified(); // Need because SetReadOnly() will change internal state
     const bool readOnly = doc->IsReadOnly();