_NET_WM_STATE and gdk_property_change

[Leonardo Quijano Vincenzi <lquijano hotpop com>]

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Hello.

I'm using GTK 2.2, and I need to make an 'always on top' app. I checked
out the doc and I found out the gtk_window_set_keep_above() function,
but that's only for GTK 2.4 :(.

So, how do I do that on GTK 2.2? I checked out the source code for this
function, but it uses XSendEvent and other X things that I'd rather not
use unless is strictly necessary. I tried using gdk_property_change,
like this:

~    GdkAtom wm_state[3];
~    wm_state[0] = (GdkAtom) 1; /* _NET_WM_STATE_ADD */
~    wm_state[1] = gdk_atom_intern("_NET_WM_STATE_ABOVE", FALSE);
~    wm_state[2] = 0;

~    gtk_widget_realize(main_window.window);
~    gdk_property_change(
~        main_window.window->window,
		gdk_atom_intern("_NET_WM_STATE", FALSE),
		gdk_atom_intern("ATOM", FALSE),
		32, GDK_PROP_MODE_REPLACE,
		(guchar *) &wm_state, 1);

But this isn't working. I don't know if the problem is on the
gdk_property_change parameters, the wm_state array, or even if I can't
really use this function. I'd really like to keep using GDK instead of
directly Xlib. But any pointers would be appreciated.

Thanks!

- --
Ing. Leonardo Quijano Vincenzi <lquijano hotpop com>

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