On Fri, 2010-09-03 at 16:24 +0200, ext Luca Donaggio wrote:
> I know that compositing is disabled in fullscreen, as some composited
> widget (for example the fullscreen button in hildon-extras) are shown
> with a black background instead of a semi-transparent one.
> But I noticed one thing: if a hildon-banner appears in fullscreen when
> one of such widgets is on the screen, the window manager turns
> compositing on (the translucid background of the other widget is
> shown), just to turn it off when the banner disappears.
>
> Is there a way to trick the window manager to act the same for
> arbitrary widgets as for hildon-banners?
Try explicitly preventing switching the compositing off by setting this
window property (with value 0) to your application window:
static void set_compositing (Display *display, Window xwindow)
{
Atom atom;
int zero = 0;
atom = XInternAtom (display, "_HILDON_NON_COMPOSITED_WINDOW", False);
XChangeProperty (display,
xwindow,
atom,
XA_INTEGER, 32, PropModeReplace,
(unsigned char *) &zero, 1);
}
-Kimmo
>
> --
> Luca Donaggio
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