I know this won't help much, but when writing new app, I wouldn't bother
to use gtk2 anymore and I would use gtk3 instead.
Anyway, you could always just destroy the whole dialog and create it
anew so that the file won't be selected.
On 04/29/2011 07:54 PM, John Emmas wrote:
I've been experimenting with this for a few hours now. AFAICT there's a very
significant difference in the way a Gtk::FileChooser dialog works in Windows,
compared to its operation in Linux. Here's what I found:-
1) Launch a Gtk::FileChooser from a Gtk::FileChooserButton. Select a file and click
"Open". The chosen file becomes the currently selected filename. In other
words, Gtk::FileChooser::get_filename() returns the path to the chosen file.
2) The above path name is persistent. If I re-launch the same FileChooser
dialog, the previously selected file is preselected when the dialog re-opens.
3) After re-opening the dialog, select an empty folder and press 'Cancel'. In the Linux
version this has the effect of removing the previous selection. In other words the
original Gtk::FileChooserButton goes back to displaying "(None)" and
Gtk::FileChooser::get_filename() returns an empty string. However, this doesn't seem to
be the same in gtk-win32. After selecting an empty folder and pressing 'Cancel' the
original Gtk::FileChooserButton still displays the previously chosen filename and
Gtk::FileChooser::get_filename() continues to return its path.
I could delve into this a bit further during the next day or two but I'd be
interested to know which is the intended behaviour.
In Windows I'm building with gtk version 2.20.0. My Linux version is slightly
older - around 2.18. Is it possible that the behaviour got changed somewhere
between them?
John
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