Re: Problem swapping GtkScrolledWindow contents on the fly

[Andrew Wood <ajwood theiet org>]

Great thanks


On 13 Jan 2010, at 11:05, David NeÄas wrote:

> On Wed, Jan 13, 2010 at 10:33:07AM +0000, Andrew Wood wrote:
> > Still getting strange results with this.
> >
> > Ive posted a skeleton app at  www.simple.org/TCSAdminGTK.tar      
> > which
> > is a single source file which can be comiled with g++ ./main.cpp
> > `pkg-config --cflags --libs libgnome-2.0 libgnomeui-2.0 libglade-2.0`
> >
> > When you click one of the options on the left the contents changes on
> > the right. At present only 'General' and 'Calls' are implemented.  
> > As you
> > can see the first time you click one of these the widgets show  
> > correctly
> > but the second time you click it they don't but you get no error on  
> > the
> > console either.
> >
> >
> > The guts of the issue are contained in the functions  
> > showGeneralPage()
> > and showCallsPage()
> >
> >
> > The closest explaination Ive been able to find is that the call to
> >
> > gtk_container_remove (GTK_CONTAINER
> > (rightpanescrollview 
> > ),gtk_bin_get_child(GTK_BIN(rightpanescrollview)));
> >
> > is deleting the widgets as well as just removing them from the
> > container, but theres no error to suggest this, and I would have  
> > thought
> > the calls to gtk_widget_ref(callspage) or gtk_widget_ref(generalpage)
> > would have prevented this.
> >
> > There must be something very simple Im overlooking here. Any ideas?
>
> Indeed, the children get removed from the container when the page is
> removed so the next time it's show it's empty.  This is somehow caused
> by the widget being constructed by libglade because if you construct
> it manually, it does no happen.
>
> I can't help with libglade and it's already obsolete...
>
> BTW please don't use things like gtk_widget_ref() that were  
> deprectated
> many years ago.
>
> Yeti
>
>
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