Re: Gtk::FileChooserButton

[Emmanuel Thomas-Maurin <manutm007 gmail com>]

On 04/29/2011 12:31 PM, John Emmas wrote:
> I'm adapting a Linux program to run under Windows, using gtk-win32.  The app has a particular dialog box 
> which displays a Gtk::FileChooserButton.  When the dialog first gets displayed, there's no particular file 
> selected and the button's entry says "(None)".  Clicking the button launches a Gtk::FileChooser and the 
> chosen file then gets "remembered" by the button.  In other words, next time the main dialog box gets 
> displayed, the last file to be chosen is effectively pre-selected into the FileChooserButton.  This seems 
> to be achieved by calling Gtk::FileChooser::set_filename()
>
> All the above works fine.  But under certain circumstances I don't want any file to be preselected.  Even 
> if the dialog has been shown before I want the FileChooserButton to say "(None)" when it's next displayed 
> (like it did the first time around).  I assumed that I might be able to achieve this by calling 
> Gtk::FileChooser::set_filename() with an empty string.  And indeed that does seem to work when I build 
> under Linux.  But it doesn't work for me if I compile for Windows and link to gtk-win32.  Passing an empty 
> string seems to do some strange things.  Firstly, it bizarrely selects whichever folder the main app is 
> running in.  Secondly, if I press the button to display the FileChooser, the FileChooser won't respond to 
> mouse clicks (although it continues responding to mouseover events).
>
> If all else fails I guess I could delete the FileChooserButton object and create a new one each time.  But 
> before I consider that option I just wondered if I'm doing something obviously wrong.  Is there an actual 
> recommended way of removing a file that's currently in the FileChooserButton's memory?  (i.e. resetting its 
> entry back to "(None)".
>
> John
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Have you tried with Gtk::FileChooser::set_current_name() instead ?


-- 
Emmanuel Thomas-Maurin <manutm007 gmail com>