3acc8c76ca
In order for the Filechooser Location widget to work two things need to be setup, which only the FileChooserDialog does: * subscribe to Widget's "response-requested" signal * call should_respond () hook from top-level window's default handler. The Location Entry emits "activates-default". In case of the Dialog, that calls the dialogs response callback, which then calls ` _gtk_file_chooser_embed_should_respond`. That handles changes made by the user to the location entry. -=- Gtk::FileChooserWidget does not handle this, "response-requested" signal is not exposed, nor is _gtk_file_chooser_embed_should_respond available outside Gtk. This change at least selects the file in the treeview, which allows further handling, without interfering with FileChooserDialog's behavior.
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