logging: file selection dialog can freeze. Therefore don't use native dialog?!

1 files changed, 6 insertions, 1 deletions

diff --git a/gui/options-dialog.cpp b/gui/options-dialog.cpp
index 8987ba34..9dcb7879 100644
--- a/gui/options-dialog.cpp
+++ b/gui/options-dialog.cpp
@@ -174,7 +174,12 @@ void OptionsDialog::browse_datalogging_file()
     QString filename = ui.tracklogging_filenameedit->text();
     if (filename.isEmpty())
         filename = QDir::currentPath();
-    QString newfilename = QFileDialog::getSaveFileName(this, tr("Select Filename"), filename, tr("CSV File (*.csv)"));
+    /* Sometimes this function freezes the app before opening the dialog.
+       Might be related to https://forum.qt.io/topic/49209/qfiledialog-getopenfilename-hangs-in-windows-when-using-the-native-dialog/8
+       and be a known problem. Possible solution is to use the QFileDialog::DontUseNativeDialog flag.
+       Since the freeze is apparently random, I'm not sure it helped.
+    */
+    QString newfilename = QFileDialog::getSaveFileName(this, tr("Select Filename"), filename, tr("CSV File (*.csv)"), nullptr, QFileDialog::DontUseNativeDialog);
     if (!newfilename.isEmpty())
         ui.tracklogging_filenameedit->setText(newfilename);
 }