Re: gtk geometry and child aspect ratio?

[Johan Knol <johan knol iduna nl>]

Owen Taylor wrote:
> On Sun, 2004-02-08 at 14:10, Johan Knol wrote:
>
> > Hi, this may be a newbe question, but it drives me crazy ;(
> >
> > A very simple app (using glade):
> >
> > - window1
> > -- vbox1
> > --- scrolledwindow1
> > ---- drawingarea1
> > --- statusbar1
> >
> > Now I want drawingarea1 to be squared, so:
> >
> > void
> > on_drawingarea1_realize (GtkWidget *widget, gpointer user_data)
> > {
> >   GdkGeometry geometry;
> >
> >   geometry.min_aspect = geometry.max_aspect = 1.0;
> >   gtk_window_set_geometry_hints (window1, widget, &geometry, 
> > GDK_HINT_ASPECT);
> > }
> >
> > But this squares *window1*, not the *drawingarea1*, which was passed on 
> > as the geometry_widget ;(.
> > Any help would be greatly apreciated.
>
>
> The geometry widget handling is unfortunately fairly broken currently.
>
> http://bugzilla.gnome.org/show_bug.cgi?id=68668
>
> has some details. To see how hacking around the limitations work in
> practice, see the source-code to gnome-terminal. But I'm not
> really sure how you expect it to work with the scrolled window
> inbetween the toplevel and the geometry widget. The scrolled
> window isolates the drawing area from toplevel resizing, so a
> square drawing area shouldn't put any constraints on the toplevel.

Ok, I want the geometry manager to display the visual part of the 
drawing area to be squared. So maybe I should use the scrolledwindow's 
viewport as the geometry widget, but that doesn't work either.

Thanks,
Johan