[gstreamer-bugs] [Bug 599885] [gtk examples] unstable behaviour with recent gtk (post csw merge)
bugzilla at gnome.org
Wed Nov 4 09:24:48 PST 2009
GStreamer | gst-plugins-gl | git
--- Comment #7 from Filippo Argiolas <fargiolas at gnome.org> 2009-11-04 18:24:45 CET ---
(In reply to comment #6)
> Actually, I was doing something else and it was finally a good test about this
> On win32, in the "realize" callback of a GtkDrawinArea,
> GDK_WINDOW_HWND(area->window) return the native handle of the parent (here the
> main window)
> Calling gdk_window_ensure_native(area->window) just before it, causes
> GDK_WINDOW_HWND(area->window) to return the correct native handle of the
> drawing area.
> Sothe "realize" callback is not the correct place to avoid the call of
> gdk_window_ensure_native (and I do not know if it's really possible to avoid it
> in our case, and on win32)
I never said to avoid the ensure_native, I said to put it in the realize
callback (the widget needs to be realized to have a window, so that's probably
the best place to call it). Then you can probably just call GDK_WINDOW_HWND
from any thread since it will just return the native handle. If you want to
stay safe you can save the window handle right after the ensure_native call and
give that to gstxoverlay.
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