On 27 May 2011 01:28, John Stowers <[email protected]> wrote:
> On Wed, 2011-05-25 at 22:50 +0200, Benjamin Trias wrote:
> > Hi list,
> >
> > I am trying to port from Gtk+2 to Gtk+3 using Python (PyGobject
> Introspection)
> >
> > I am trying to find the equivalent of:
> > gtk.Window.get_toplevel().window.property_change("_NET_WM_STRUT",
> > "CARDINAL", 32, gtk.gdk.PROP_MODE_REPLACE, [0,0,24,0])
> >
> > which i used to reserve screen space (24 pix at bottom of screen).
> >
> > In Gtk+3 the Gtk.Window() does not have a "window" attribute and
> > nowhere do i find the gdk_property_change() method equivalent in the
> > Gdk modules (which i would expect to be Gdk.property_change(), in fact
> > the property_delete() and property_get() are listed).
> >
> > How to change the Gdk window properties with PyGI to reserve screen
> space?
> > Could a binding be missing? Or do i miss some library?
> > Anyone has an idea?
>
> PyGI has removed .attributes, so the replacement to get the GdkWindow)
> would be get_widget_get_window() or Gtk.Widget.get_window() from g-i.
>
> However, property_change is annotated with (skip) in the bindings
> because of the nature of the data argument - unsigned char * + length
> but callers should explicitly cast other property types (that are
> greater than sizeof(char)).
>
> Its a bit of an ugly C-api, and I played with the annotations a bit. The
> best g-i could do was only accept n-values between 0 - 255 and format=8.
>
> Based on the large amount of c-code in the pygtk override for this
> function, I think it might be easier to just add multiple functions to
> gdk3 to replace this one
>
> property_change_8(... const guint8 *data ...)
> property_change_16(... const guint16 *data ...)
> property_change_32(... const guint32 *data ...)
>
> I suggest filing a bug with gtk.
>
> John
>
> > Thanks.
> > Benjamin
> > _______________________________________________
> > pygtk mailing list [email protected]
> > http://www.daa.com.au/mailman/listinfo/pygtk
> > Read the PyGTK FAQ: http://faq.pygtk.org/
>
>
> Hi John,
Thanks. I can't follow all of what you said, but i get the idea.
Is there any way to achieve my purpose without the property_change() method?
The Gtk.Window().get_window() returns an object of type
gi.types.gtk.gdk.X11window. Can i do something with that?
I tried to get_properties() on it, but i had to pass an argument and could
not introspect to find out which, and i don't know if the set_property()
method would help.
Or is there a non-Gtk way to address X and reserve screen space?
Thanks
Benjamin
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