Fix file renaming (#1038)

Author: saberoueslati

src/ScintillaNext.cpp

@@ -456,7 +456,7 @@ bool ScintillaNext::rename(const QString &newFilePath)
     emit aboutToSave();
 
     // Write out the buffer to the new path
-    if (saveCopyAs(newFilePath)) {
+    if (saveCopyAs(newFilePath) == QFileDevice::NoError) {
         // Remove the old file
         const QString oldPath = fileInfo.canonicalFilePath();
         QFile::remove(oldPath);

src/dialogs/MainWindow.cpp

@@ -1479,7 +1479,7 @@ void MainWindow::renameFile()
     if (editor->isFile()) {
         const QString filter = app->getFileDialogFilter();
         QString selectedFilter = app->getFileDialogFilterForLanguage(editor->languageName);
-        QString fileName = FileDialogHelpers::getSaveFileName(this, tr("Rename"), defaultDirectoryManager->getDefaultDirectory(), filter, &selectedFilter);
+        QString fileName = FileDialogHelpers::getSaveFileName(this, tr("Rename"), editor->getFilePath(), filter, &selectedFilter);
 
         if (fileName.isEmpty()) {
             return;