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I'd like to adjust the name of the file according to the selected filter. Currently there is no way to know when the user selects a different filter. The use case is that i like to auto extend the file-extension to the name, currently I do this after closing the dialog but this is a bit undesirable as I can't use the "overwrite" feature reliable then.
Gtk doesn't provide signal for changed filter https://docs.gtk.org/gtk3/iface.FileChooser.html so not much we can do.
What about Windows/Mac? Maybe it could be at least added as "best effort"?
Win/Mac has to be checked too so the API can be implemented on these platforms too. I just happen to have zero knowledge about these platforms. The path forward here for GTK/Linux would be to report issue against GTK so they provide signal for filter-changed for FileChooser.
(In reply to Alexander Kurtakov from comment #3) > The path forward here for GTK/Linux would be to report issue against GTK so > they provide signal for filter-changed for FileChooser. I'm not very familiar with GTK+reporting issues against it, would you mind open an enhancement request there? I could even think about simply checking each 300ms the current value and if it differs generate a custom event if some platforms do not support it out of the box.
I created an issue with GTK, I will keep checking to see if there are any updates. See https://gitlab.gnome.org/GNOME/gtk/-/issues/4626
(In reply to Joel Majano from comment #5) > I created an issue with GTK, I will keep checking to see if there are any > updates. See https://gitlab.gnome.org/GNOME/gtk/-/issues/4626 Many thanks! We should still discuss if it would be suitable to have a poly-fill for systems (currently) not supporting this natively.
