Merge pull request #1433 from ghutchis/revert-validate-filenames

Revert validation of filenames.

Author: ghutchis

avogadro/io/fileformat.cpp

@@ -76,7 +76,7 @@ bool FileFormat::open(const std::string& fileName_, Operation mode_)
         appendError("Error opening file: " + fileName_);
         return false;
       }
-    } else if (m_mode & Write && validateFileName(m_fileName)) {
+    } else if (m_mode & Write) {
       auto* file = new ofstream(m_fileName.c_str(), std::ofstream::binary);
       m_out = file;
       if (file->is_open()) {

avogadro/qtgui/fileformatdialog.cpp

@@ -86,14 +86,6 @@ FileFormatDialog::FormatFilePair FileFormatDialog::fileToWrite(
     if (fileName.isEmpty()) // user cancel
       return result;
 
-    if (FileFormat::validateFileName(fileName.toStdString()) == false) {
-      QMessageBox::warning(
-        parentWidget, caption,
-        tr("The file name contains invalid characters. Please choose another "
-           "file name."));
-      continue;
-    }
-
     const Io::FileFormat* format = findFileFormat(
       parentWidget, caption, fileName, FileFormat::File | FileFormat::Write);