Re: Bug (?) in Gtk::FileChooserDialog

[Sean Farrell <sean farrell baw de>]

Am Donnerstag, den 08.09.2005, 12:46 +0200 schrieb Murray Cumming:
> On Tue, 2005-09-06 at 18:26 +0200, Sean Farrell wrote:
> > Hi there,
> > 
> > what is the fundamental difference between the FileSelection and the
> > FileChooserDialog? 
> 
> They look different and have different capabilities. FileSelection is
> deprecated.
> 
> > The problem I have is the following:
> > 
> > I am using Gtk::GL:DrawingArea (gtkglexmm 1.1) to render openGL
> > geometries and stuff. Now when I invoke a FileChooserDialog the
> > DrawingArea crashes with a segmentation fault. It shows the following 
> > error: "GdkGLExt-WARNING **: glXMakeCurrent() failed" just beforehand. 
> > 
> > When I use (old) FileSelection dialog all runs fine; with any other
> > dialog too. 
> 
> It would probably be best to create a simple-as-possible test case. Then
> you could try getting the same error without OpenGL, or try it with a
> GtkFileChooser with C instead of a Gtk::FileChooser. I suspect that
> gtkmm has not influence on the problem, so it might be in GTK+ or
> gtkglex.
> 
> valgrind or gdb's backtrace might also help.
> 

Ok I made a C++ example.