[Glade-users] Sharing a File Chooser Dialog Box -> Segfault?

[dswain at princeton.edu (Dan Swain)]

I want to use a file chooser dialog for a few different parts of my
application.  My current method is to create a new dialog each time in code,
but I'd rather use glade+libglade to get a nice one and share it across
multiple instances.  In spirit what I did was this:

in main.h (shared across modules where dialog needs to be used):
...
GtkWidget *file_dlg;
...

in main.c (where I handle my widget lookups... the other lookups work fine
and this is the correct name for the widget)
...
file_dlg = glade_xml_get_widget(xml, "filechooserdialog1");
...

in callbacks.c, in a callback to handle a popup menu event
...
gtk_widget_show(file_dlg);
...

The result:  The code compiles fine, the program starts as usual with the
dialog invisible (which is its default state set in glade), but then as soon
as I right click in the area that should create the popup containing the
menu entry that should show the file chooser, the program dies in a
segfault.  The weird part is that I get the same error even if I comment out
the gtk_widget_show line (so the dialog isn't ever referenced in that
module).  I have another window (one that I created in glade, not a stock
dialog) that works fine using this same framework with no errors.  Any ideas
why the file chooser dialog would cause a seg fault when it's not even being
accessed?  Is it something different about that type of dialog as opposed to
a regular window?

Thanks in advance,
- Dan
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